diff options
Diffstat (limited to 'plug-ins/twain')
| -rw-r--r-- | plug-ins/twain/Makefile.am | 61 | ||||
| -rw-r--r-- | plug-ins/twain/Makefile.in | 1026 | ||||
| -rw-r--r-- | plug-ins/twain/README | 92 | ||||
| -rw-r--r-- | plug-ins/twain/gimp-twain.png | bin | 0 -> 13859 bytes | |||
| -rw-r--r-- | plug-ins/twain/tw_dump.c | 273 | ||||
| -rw-r--r-- | plug-ins/twain/tw_dump.h | 70 | ||||
| -rw-r--r-- | plug-ins/twain/tw_func.c | 874 | ||||
| -rw-r--r-- | plug-ins/twain/tw_func.h | 243 | ||||
| -rw-r--r-- | plug-ins/twain/tw_local.h | 48 | ||||
| -rw-r--r-- | plug-ins/twain/tw_platform.h | 37 | ||||
| -rw-r--r-- | plug-ins/twain/tw_util.c | 170 | ||||
| -rw-r--r-- | plug-ins/twain/tw_util.h | 73 | ||||
| -rw-r--r-- | plug-ins/twain/tw_win.c | 452 | ||||
| -rw-r--r-- | plug-ins/twain/twain.c | 962 | ||||
| -rw-r--r-- | plug-ins/twain/twain.h | 1819 |
15 files changed, 6200 insertions, 0 deletions
diff --git a/plug-ins/twain/Makefile.am b/plug-ins/twain/Makefile.am new file mode 100644 index 0000000..4e094a5 --- /dev/null +++ b/plug-ins/twain/Makefile.am @@ -0,0 +1,61 @@ +## Process this file with automake to produce Makefile.in + +libgimpui = $(top_builddir)/libgimp/libgimpui-$(GIMP_API_VERSION).la +libgimpconfig = $(top_builddir)/libgimpconfig/libgimpconfig-$(GIMP_API_VERSION).la +libgimpwidgets = $(top_builddir)/libgimpwidgets/libgimpwidgets-$(GIMP_API_VERSION).la +libgimp = $(top_builddir)/libgimp/libgimp-$(GIMP_API_VERSION).la +libgimpcolor = $(top_builddir)/libgimpcolor/libgimpcolor-$(GIMP_API_VERSION).la +libgimpbase = $(top_builddir)/libgimpbase/libgimpbase-$(GIMP_API_VERSION).la +libgimpmath = $(top_builddir)/libgimpmath/libgimpmath-$(GIMP_API_VERSION).la + +libexecdir = $(gimpplugindir)/plug-ins/twain + +libexec_PROGRAMS = twain + + +if OS_WIN32 +twain_LDFLAGS = -mwindows -luser32 + +twainplatform = tw_win.c +endif + +if HAVE_WINDRES +include $(top_srcdir)/build/windows/gimprc-plug-ins.rule +twain_RC = twain.rc.o +endif + + +twain_SOURCES = \ + tw_func.c \ + tw_func.h \ + tw_util.c \ + tw_util.h \ + twain.c \ + twain.h \ + tw_local.h \ + tw_platform.h \ + $(twainplatform) + +EXTRA_DIST = \ + README \ + gimp-twain.png \ + tw_dump.c \ + tw_dump.h \ + tw_win.c + +AM_CPPFLAGS = \ + -I$(top_srcdir) \ + $(GTK_CFLAGS) \ + $(GEGL_CFLAGS) \ + -I$(includedir) + +LDADD = \ + $(libgimp) \ + $(libgimpcolor) \ + $(libgimpbase) \ + $(GLIB_LIBS) \ + $(GEGL_LIBS) \ + $(RT_LIBS) \ + $(INTLLIBS) \ + $(twain_LIBS) \ + $(twain_RC) diff --git a/plug-ins/twain/Makefile.in b/plug-ins/twain/Makefile.in new file mode 100644 index 0000000..efc3380 --- /dev/null +++ b/plug-ins/twain/Makefile.in @@ -0,0 +1,1026 @@ +# Makefile.in generated by automake 1.16.2 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994-2020 Free Software Foundation, Inc. + +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, as long as this notice is preserved. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY, to the extent permitted by law; without +# even the implied warranty of MERCHANTABILITY or FITNESS FOR A +# PARTICULAR PURPOSE. + +@SET_MAKE@ + +# Version resources for Microsoft Windows + +VPATH = @srcdir@ +am__is_gnu_make = { \ + if test -z '$(MAKELEVEL)'; then \ + false; \ + elif test -n '$(MAKE_HOST)'; then \ + true; \ + elif test -n '$(MAKE_VERSION)' && test -n '$(CURDIR)'; then \ + true; \ + else \ + false; \ + fi; \ +} +am__make_running_with_option = \ + case $${target_option-} in \ + ?) ;; \ + *) echo "am__make_running_with_option: internal error: invalid" \ + "target option '$${target_option-}' specified" >&2; \ + exit 1;; \ + esac; \ + has_opt=no; \ + sane_makeflags=$$MAKEFLAGS; \ + if $(am__is_gnu_make); then \ + sane_makeflags=$$MFLAGS; 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INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \ + install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \ + "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \ + fi +mostlyclean-generic: + +clean-generic: + +distclean-generic: + -test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES) + -test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES) + +maintainer-clean-generic: + @echo "This command is intended for maintainers to use" + @echo "it deletes files that may require special tools to rebuild." +clean: clean-am + +clean-am: clean-generic clean-libexecPROGRAMS clean-libtool \ + mostlyclean-am + +distclean: distclean-am + -rm -f ./$(DEPDIR)/tw_func.Po + -rm -f ./$(DEPDIR)/tw_util.Po + -rm -f ./$(DEPDIR)/tw_win.Po + -rm -f ./$(DEPDIR)/twain.Po + -rm -f Makefile +distclean-am: clean-am distclean-compile distclean-generic \ + distclean-tags + +dvi: dvi-am + +dvi-am: + +html: html-am + +html-am: + +info: info-am + +info-am: + 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distclean distclean-compile \ + distclean-generic distclean-libtool distclean-tags distdir dvi \ + dvi-am html html-am info info-am install install-am \ + install-data install-data-am install-dvi install-dvi-am \ + install-exec install-exec-am install-html install-html-am \ + install-info install-info-am install-libexecPROGRAMS \ + install-man install-pdf install-pdf-am install-ps \ + install-ps-am install-strip installcheck installcheck-am \ + installdirs maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-compile mostlyclean-generic \ + mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \ + uninstall-am uninstall-libexecPROGRAMS + +.PRECIOUS: Makefile + + +# `windres` seems a very stupid tool and it breaks with double shlashes +# in parameter paths. Strengthen the rule a little. +@HAVE_WINDRES_TRUE@%.rc.o: +@HAVE_WINDRES_TRUE@ $(WINDRES) --define ORIGINALFILENAME_STR="$*$(EXEEXT)" \ +@HAVE_WINDRES_TRUE@ --define INTERNALNAME_STR="$*" \ +@HAVE_WINDRES_TRUE@ --define TOP_SRCDIR="`echo $(top_srcdir) | sed 's*//*/*'`" \ +@HAVE_WINDRES_TRUE@ -I"`echo $(top_srcdir)/app | sed 's%/\+%/%'`" \ +@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir)/app | sed 's%/\+%/%'`"\ +@HAVE_WINDRES_TRUE@ -I"`echo $(top_builddir) | sed 's%/\+%/%'`"\ +@HAVE_WINDRES_TRUE@ $(GIMPPLUGINRC) $@ + +# Tell versions [3.59,3.63) of GNU make to not export all variables. +# Otherwise a system limit (for SysV at least) may be exceeded. +.NOEXPORT: diff --git a/plug-ins/twain/README b/plug-ins/twain/README new file mode 100644 index 0000000..87c1492 --- /dev/null +++ b/plug-ins/twain/README @@ -0,0 +1,92 @@ +TWAIN Plug-in +Copyright (C) 1999 Craig Setera +Craig Setera <setera@home.com> +03/31/1999 + +Updated for Mac OS X support +Brion Vibber <brion@pobox.com> +07/22/2004 + +This program is free software: you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 3 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this program. If not, see <https://www.gnu.org/licenses/>. + +Based on (at least) the following plug-ins: +Screenshot +GIF +Randomize + +Any suggestions, bug-reports or patches are welcome. + +This plug-in interfaces to the TWAIN support library in order +to capture images from TWAIN devices directly into GIMP images. +The plug-in is capable of acquiring the following type of +images: + - B/W (1 bit images translated to grayscale B/W) + - Grayscale up to 16 bits per pixel + - RGB up to 16 bits per sample (24, 30, 36, etc.) + - Paletted images (both Gray and RGB) + +Prerequisites: + Should compile and run on both Win32 and Mac OS X 10.3 (possibly + also on 10.2). + +Known problems: + + - Multiple image transfers will hang the plug-in. The current + configuration compiles with a maximum of single image transfers. + - On Mac OS X, canceling doesn't always close things out fully. + - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + +Debugging: + There are two different versions of the program included, a standard + version and a version built for debugging. The debugging version is + a special version capable of capturing the TWAIN datasource data to + a file for later processing. This feature can be used to create a data + dump that can be sent to me if for some reason the plug-in fails for + your TWAIN datasource. The function of the plug-in is controlled by + the name of the executable file. The plug-in should be placed in your + plug-ins directory and named as follows: + +twain.exe - This is the standard (non-debugging) version. This file will + not behave differently if renamed. This version is intended to be used + unless your TWAIN datasource has some problem. + +gtwain.exe - This is the debugging version of the program shipped along. + If this program is used as named, it will behave the same as "twain.exe" + except that the file C:\twain.log will be written. This file is a text + file with very little information available for debugging. + +dtwain.exe - Renaming "gtwain.exe" to "dtwain.exe" in your plug-ins directory + will change the behavior of the plug-in. The menu option will be registered + as "TWAIN Acquire (Dump)..." and will cause the TWAIN acquire operation to + be dumped to the file "C:\twaincap.bin". This file contains all of the data + necessary to recreate the capture on another system (such as my machine). The + image will not be displayed, as it might cause the plug-in to crash making + the data useless. Instead, a message will be displayed that the image + information was dumped to a file. + +rtwain.exe - Renaming "gtwain.exe" to "rtwain.exe" in your plug-ins directory + will change the behavior of the plug-in. The menu option will be registered + as "TWAIN Acquire (Read)..." and will cause the TWAIN acquire operation to + read a previously dumped (using dtwain.exe) TWAIN acquire from + "C:\twaincap.bin". + +If you find that you are unable to capture data from you datasource (the plug-in +crashes or the image is wrong), please capture data using the following steps: + +1) Copy gtwain.exe to your plug-ins directory as "dtwain.exe". +2) Run GIMP. +3) Choose Xtns->TWAIN Acquire (Dump)... +4) Choose the datasource settings that are causing problems. +5) Choose a *SMALL* sample image. +6) Zip up "C:\twaincap.bin" and "C:\twain.log" and send them to me. diff --git a/plug-ins/twain/gimp-twain.png b/plug-ins/twain/gimp-twain.png Binary files differnew file mode 100644 index 0000000..25ff3f3 --- /dev/null +++ b/plug-ins/twain/gimp-twain.png diff --git a/plug-ins/twain/tw_dump.c b/plug-ins/twain/tw_dump.c new file mode 100644 index 0000000..b75bc8c --- /dev/null +++ b/plug-ins/twain/tw_dump.c @@ -0,0 +1,273 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * Should compile and run on both Win32 and Mac OS X 10.3 (possibly + * also on 10.2). + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + * - On Mac OS X, canceling doesn't always close things out fully. + * - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + * (07/23/04) v0.6 Added Mac OS X support. + */ + +#include "config.h" + +#include <string.h> + +#include <glib/gstdio.h> + +#include "libgimp/gimp.h" + +#include "tw_dump.h" +#include "tw_func.h" +#include "tw_util.h" + +/* File variables */ +static FILE *outputFile = NULL; +extern pTW_SESSION twSession; + +/* + * dumpPreTransferCallback + * + * This callback function is called before any images + * are transferred. Set up the one time only stuff. + */ +void +dumpPreTransferCallback(void *clientData) +{ + /* Open our output file... Not settable... Always + * write to the root directory. Simplistic, but + * gets the job done. + */ + outputFile = g_fopen(DUMP_FILE, "wb"); +} + +/* + * dumpBeginTransferCallback + * + * The following function is called at the beginning + * of each image transfer. + */ +int +dumpBeginTransferCallback(pTW_IMAGEINFO imageInfo, void *clientData) +{ + logBegin(imageInfo, clientData); + + /* Dump the image information */ + fwrite((void *) imageInfo, sizeof(TW_IMAGEINFO), 1, outputFile); + + /* Keep going */ + return TRUE; +} + +/* + * dumpDataTransferCallback + * + * The following function is called for each memory + * block that is transferred from the data source. + */ +int +dumpDataTransferCallback(pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData) +{ + int flag = 1; + + logData(imageInfo, imageMemXfer, clientData); + + /* Write a flag that says that this is a data packet */ + fwrite((void *) &flag, sizeof(int), 1, outputFile); + + /* Dump the memory information */ + fwrite((void *) imageMemXfer, sizeof(TW_IMAGEMEMXFER), 1, outputFile); + fwrite((void *) imageMemXfer->Memory.TheMem, + 1, imageMemXfer->BytesWritten, outputFile); + + /* Keep going */ + return TRUE; +} + +/* + * dumpEndTransferCallback + * + * The following function is called at the end of the + * image transfer. The caller will be handed + * the image transfer completion state. The + * following values (defined in twain.h) are + * possible: + * + * TWRC_XFERDONE + * The transfer completed successfully + * TWRC_CANCEL + * The transfer was completed by the user + * TWRC_FAILURE + * The transfer failed. + */ +int +dumpEndTransferCallback(int completionState, int pendingCount, void *clientData) +{ + int flag = 0; + + /* Write a flag that says that this is a data packet */ + fwrite((void *) &flag, sizeof(int), 1, outputFile); + + /* Write the necessary data */ + fwrite(&completionState, sizeof(int), 1, outputFile); + fwrite(&pendingCount, sizeof(int), 1, outputFile); + + /* Only ever transfer a single image */ + return FALSE; +} + +/* + * dumpPostTransferCallback + * + * This callback function will be called + * after all possible images have been + * transferred. + */ +void +dumpPostTransferCallback(int pendingCount, void *clientData) +{ + char buffer[128]; + + /* Shut things down. */ + if (pendingCount != 0) + cancelPendingTransfers(twSession); + + /* This will close the datasource and datasource + * manager. Then the message queue will be shut + * down and the run() procedure will finally be + * able to finish. + */ + disableDS(twSession); + closeDS(twSession); + closeDSM(twSession); + + /* Close the dump file */ + fclose(outputFile); + + /* Tell the user */ + sprintf(buffer, "Image dumped to file %s\n", DUMP_FILE); + gimp_message(buffer); + + /* Post a message to close up the application */ + twainQuitApplication (); +} + +/* + * readDumpedImage + * + * Get a previously dumped image. + */ +void readDumpedImage(pTW_SESSION twSession) +{ + int moreData; + int completionState; + int pendingCount; + + TW_IMAGEINFO imageInfo; + TW_IMAGEMEMXFER imageMemXfer; + + /* Open our output file... Not settable... Always + * write to the root directory. Simplistic, but + * gets the job done. + */ + FILE *inputFile = g_fopen(DUMP_FILE, "rb"); + + /* + * Inform our application that we are getting ready + * to transfer images. + */ + (*twSession->transferFunctions->preTxfrCb)(NULL); + + /* Read the image information */ + fread((void *) &imageInfo, sizeof(TW_IMAGEINFO), 1, inputFile); + + /* Call the begin transfer callback */ + if (!(*twSession->transferFunctions->txfrBeginCb)(&imageInfo, twSession->clientData)) + return; + + /* Read all of the data packets */ + fread((void *) &moreData, sizeof(int), 1, inputFile); + while (moreData) { + /* Read the memory information */ + fread((void *) &imageMemXfer, sizeof(TW_IMAGEMEMXFER), 1, inputFile); + imageMemXfer.Memory.TheMem = (TW_MEMREF) g_malloc (imageMemXfer.BytesWritten); + fread((void *) imageMemXfer.Memory.TheMem, + 1, imageMemXfer.BytesWritten, inputFile); + + /* Call the data transfer callback function */ + if (!(*twSession->transferFunctions->txfrDataCb) + (&imageInfo, + &imageMemXfer, + twSession->clientData)) + return; + + /* Clean up the memory */ + g_free (imageMemXfer.Memory.TheMem); + + /* Check for continuation */ + fread((void *) &moreData, sizeof(int), 1, inputFile); + } + + /* Grab the final information */ + fread(&completionState, sizeof(int), 1, inputFile); + fread(&pendingCount, sizeof(int), 1, inputFile); + + if (twSession->transferFunctions->txfrEndCb) + (*twSession->transferFunctions->txfrEndCb)(completionState, 0, + twSession->clientData); + + /* Post a message to close up the application */ + twainQuitApplication (); +} diff --git a/plug-ins/twain/tw_dump.h b/plug-ins/twain/tw_dump.h new file mode 100644 index 0000000..5386af7 --- /dev/null +++ b/plug-ins/twain/tw_dump.h @@ -0,0 +1,70 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * This plug-in will not compile on anything other than a Win32 + * platform. Although the TWAIN documentation implies that there + * is TWAIN support available on Macintosh, I neither have a + * Macintosh nor the interest in porting this. If anyone else + * has an interest, consult www.twain.org for more information on + * interfacing to TWAIN. + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + */ + +#include "tw_platform.h" +#include "tw_func.h" + +void dumpPreTransferCallback(void *clientData); +int dumpBeginTransferCallback(pTW_IMAGEINFO imageInfo, void *clientData); +int dumpDataTransferCallback(pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData); +int dumpEndTransferCallback(int completionState, int pendingCount, void *clientData); +void dumpPostTransferCallback(int pendingCount, void *clientData); +void readDumpedImage(pTW_SESSION twSession); + diff --git a/plug-ins/twain/tw_func.c b/plug-ins/twain/tw_func.c new file mode 100644 index 0000000..8baa7b3 --- /dev/null +++ b/plug-ins/twain/tw_func.c @@ -0,0 +1,874 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * Should compile and run on both Win32 and Mac OS X 10.3 (possibly + * also on 10.2). + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + * - On Mac OS X, canceling doesn't always close things out fully. + * - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + * (07/23/04) v0.6 Added Mac OS X support. + */ + +#include "config.h" + +#include <glib.h> /* Needed when compiling with gcc */ + +#include "tw_func.h" +#include "tw_util.h" +#include "tw_local.h" + +/* + * Twain error code to string mappings + */ +static int twainErrorCount = 0; +static char *twainErrors[] = { + "No error", + "Failure due to unknown causes", + "Not enough memory to perform operation", + "No Data Source", + "DS is connected to max possible apps", + "DS or DSM reported error, application shouldn't", + "Unknown capability", + "Unrecognized MSG DG DAT combination", + "Data parameter out of range", + "DG DAT MSG out of expected sequence", + "Unknown destination App/Src in DSM_Entry", + "Capability not supported by source", + "Operation not supported by capability", + "Capability has dependency on other capability", + "File System operation is denied (file is protected)", + "Operation failed because file already exists.", + "File not found", + "Operation failed because directory is not empty", + "The feeder is jammed", + "The feeder detected multiple pages", + "Error writing the file (disk full?)", + "The device went offline prior to or during this operation", + NULL +}; + +/* + * FloatToFix32 + * + * Convert a floating point value into a FIX32. + */ +TW_FIX32 FloatToFIX32(float floater) +{ + TW_FIX32 Fix32_value; + TW_INT32 value = (TW_INT32) (floater * 65536.0 + 0.5); + Fix32_value.Whole = value >> 16; + Fix32_value.Frac = value & 0x0000ffffL; + return (Fix32_value); +} + +/* + * Fix32ToFloat + * + * Convert a FIX32 value into a floating point value. + */ +float FIX32ToFloat(TW_FIX32 fix32) +{ + float floater; + floater = (float) fix32.Whole + (float) fix32.Frac / 65536.0; + return floater; +} + +/* + * twainError + * + * Return the TWAIN error message associated + * with the specified error code. + */ +char * +twainError(int errorCode) +{ + /* Check whether we've counted */ + if (twainErrorCount == 0) + while (twainErrors[twainErrorCount++]) {} + + /* Check out of bounds */ + if (errorCode >= twainErrorCount) + return "Unknown TWAIN Error Code"; + else + return twainErrors[errorCode]; +} + +/* + * currentTwainError + * + * Return the current TWAIN error message. + */ +char * +currentTwainError(pTW_SESSION twSession) +{ + TW_STATUS twStatus; + + /* Get the current status code from the DSM */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_STATUS, MSG_GET, + (TW_MEMREF) &twStatus); + + /* Return the mapped error code */ + return twainError(twStatus.ConditionCode); +} + + +/* + * getImage + * + * This is a "high-level" function that can be called in order + * to take all of the steps necessary to kick off an image-transfer + * from a user-specified TWAIN datasource. The data will be passed + * back to the callback function specified in the session structure. + */ +int +getImage(pTW_SESSION twSession) +{ + /* Do some sanity checking first and bail + * if necessary. + */ + + if (!twainIsAvailable()) { + LogMessage("TWAIN is not available for image capture\n"); + return FALSE; + } + + /* One step at a time */ + if (!openDSM(twSession)) { + LogMessage("Unable to open data source manager\n"); + return FALSE; + } + + if (!selectDS(twSession)) { + LogMessage("Data source not selected\n"); + return FALSE; + } + + if (!openDS(twSession)) { + LogMessage("Unable to open datasource\n"); + return FALSE; + } + + requestImageAcquire(twSession, TRUE); + + return TRUE; +} + +/* + * openDSM + * + * Open the data source manager + */ +int +openDSM(pTW_SESSION twSession) +{ + /* Make sure that we aren't already open */ + if (DSM_IS_OPEN(twSession)) + return TRUE; + + /* Open the data source manager */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), NULL, + DG_CONTROL, DAT_PARENT, MSG_OPENDSM, + (TW_MEMREF) &(twSession->hwnd)); + + /* Check the return code */ + switch (twSession->twRC) { + case TWRC_SUCCESS: + /* We are now at state 3 */ + twSession->twainState = 3; + return TRUE; + break; + + case TWRC_FAILURE: + default: + LogMessage("OpenDSM failure\n"); + break; + } + + return FALSE; +} + +/* + * selectDS + * + * Select a datasource using the TWAIN user + * interface. + */ +int +selectDS(pTW_SESSION twSession) +{ + /* The datasource manager must be open */ + if (DSM_IS_CLOSED(twSession)) { + LogMessage("Can't select data source with closed source manager\n"); + return FALSE; + } + + /* Ask TWAIN to present the source select dialog */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), NULL, + DG_CONTROL, DAT_IDENTITY, MSG_USERSELECT, + (TW_MEMREF) DS_IDENTITY(twSession)); + + /* Check the return to determine what the user decided + * to do. + */ + switch (twSession->twRC) { + case TWRC_SUCCESS: + LogMessage("Data source %s selected\n", DS_IDENTITY(twSession)->ProductName); + return TRUE; + break; + + case TWRC_CANCEL: + LogMessage("User cancelled TWAIN source selection\n"); + break; + + case TWRC_FAILURE: + default: + LogMessage("Error \"%s\" during TWAIN source selection\n", + currentTwainError(twSession)); + break; + } + + return FALSE; +} + +/* + * selectDefaultDS + * + * Select the default datasource. + */ +int +selectDefaultDS(pTW_SESSION twSession) +{ + /* The datasource manager must be open */ + if (DSM_IS_CLOSED(twSession)) { + LogMessage("Can't select data source with closed source manager\n"); + return FALSE; + } + + /* Ask TWAIN to present the source select dialog */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), NULL, + DG_CONTROL, DAT_IDENTITY, MSG_GETDEFAULT, + (TW_MEMREF) DS_IDENTITY(twSession)); + + /* Check the return code */ + return (twSession->twRC == TWRC_SUCCESS); +} + +/* + * openDS + * + * Open a data source using the TWAIN user interface. + */ +int +openDS(pTW_SESSION twSession) +{ + TW_IDENTITY *dsIdentity; + + /* The datasource manager must be open */ + if (DSM_IS_CLOSED(twSession)) { + LogMessage("openDS: Cannot open data source... manager closed\n"); + return FALSE; + } + + /* Is the data source already open? */ + if (DS_IS_OPEN(twSession)) { + LogMessage("openDS: Data source already open\n"); + return TRUE; + } + + /* Open the TWAIN datasource */ + dsIdentity = DS_IDENTITY(twSession); + twSession->twRC = callDSM(APP_IDENTITY(twSession), NULL, + DG_CONTROL, DAT_IDENTITY, MSG_OPENDS, + (TW_MEMREF) dsIdentity); + + /* Check the return to determine what the user decided + * to do. + */ + switch (twSession->twRC) { + case TWRC_SUCCESS: + /* We are now in TWAIN state 4 */ + twSession->twainState = 4; + LogMessage("Data source %s opened\n", DS_IDENTITY(twSession)->ProductName); + LogMessage("\tVersion.MajorNum = %d\n", dsIdentity->Version.MajorNum); + LogMessage("\tVersion.MinorNum = %d\n", dsIdentity->Version.MinorNum); + LogMessage("\tVersion.Info = %s\n", dsIdentity->Version.Info); + LogMessage("\tProtocolMajor = %d\n", dsIdentity->ProtocolMajor); + LogMessage("\tProtocolMinor = %d\n", dsIdentity->ProtocolMinor); + LogMessage("\tManufacturer = %s\n", dsIdentity->Manufacturer); + LogMessage("\tProductFamily = %s\n", dsIdentity->ProductFamily); + return TRUE; + break; + + default: + LogMessage("Error \"%s\" opening data source\n", currentTwainError(twSession)); + break; + } + + return FALSE; +} + +/* + * setBufferedXfer + */ +static int +setBufferedXfer(pTW_SESSION twSession) +{ + TW_CAPABILITY bufXfer; + pTW_ONEVALUE pvalOneValue; + + /* Make sure the data source is open first */ + if (DS_IS_CLOSED(twSession)) + return FALSE; + + /* Create the capability information */ + bufXfer.Cap = ICAP_XFERMECH; + bufXfer.ConType = TWON_ONEVALUE; + bufXfer.hContainer = twainAllocHandle(sizeof(TW_ONEVALUE)); + + pvalOneValue = (pTW_ONEVALUE) twainLockHandle(bufXfer.hContainer); + pvalOneValue->ItemType = TWTY_UINT16; + pvalOneValue->Item = TWSX_MEMORY; + twainUnlockHandle(bufXfer.hContainer); + + /* Make the call to the source manager */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_CAPABILITY, MSG_SET, + (TW_MEMREF) &bufXfer); + + /* Free the container */ + twainFreeHandle(bufXfer.hContainer); + + /* Let the caller know what happened */ + return (twSession->twRC==TWRC_SUCCESS); +} + +/* + * requestImageAcquire + * + * Request that the acquire user interface + * be displayed. This may or may not cause + * an image to actually be transferred. + */ +int +requestImageAcquire(pTW_SESSION twSession, gboolean showUI) +{ + /* Make sure in the correct state */ + if (DS_IS_CLOSED(twSession)) { + LogMessage("Can't acquire image with closed datasource\n"); + return FALSE; + } + + twainSetupCallback(twSession); + + /* Set the transfer mode */ + if (setBufferedXfer(twSession)) { + TW_USERINTERFACE ui; + + /* Set the UI information */ + ui.ShowUI = TRUE; + ui.ModalUI = TRUE; + /* In Windows, the callbacks are sent to the window message handler */ + ui.hParent = twSession->hwnd; + + /* Make the call to the source manager */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_USERINTERFACE, MSG_ENABLEDS, + (TW_MEMREF) &ui); + + if (twSession->twRC == TWRC_SUCCESS) { + /* We are now at a new twain state */ + twSession->twainState = 5; + + return TRUE; + } else { + LogMessage("Error during data source enable\n"); + return FALSE; + } + } else { + LogMessage("Unable to set buffered transfer mode: %s\n", + currentTwainError(twSession)); + return FALSE; + } +} + +/* + * disableDS + * + * Disable the datasource associated with twSession. + */ +int +disableDS(pTW_SESSION twSession) +{ + TW_USERINTERFACE ui; + + /* Verify the datasource is enabled */ + if (DS_IS_DISABLED(twSession)) { + LogMessage("disableDS: Data source not enabled\n"); + return TRUE; + } + + /* Set the UI information */ + ui.ShowUI = TRUE; + ui.ModalUI = TRUE; + ui.hParent = twSession->hwnd; + + /* Make the call to the source manager */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_USERINTERFACE, MSG_DISABLEDS, + (TW_MEMREF) &ui); + + if (twSession->twRC == TWRC_SUCCESS) { + /* We are now at a new twain state */ + twSession->twainState = 4; + + return TRUE; + } else { + LogMessage("Error during data source disable\n"); + return FALSE; + } +} + +/* + * closeDS + * + * Close the datasource associated with the + * specified session. + */ +int +closeDS(pTW_SESSION twSession) +{ + /* Can't close a closed data source */ + if (DS_IS_CLOSED(twSession)) { + LogMessage("closeDS: Data source already closed\n"); + return TRUE; + } + + /* Open the TWAIN datasource */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), NULL, + DG_CONTROL, DAT_IDENTITY, MSG_CLOSEDS, + (TW_MEMREF) DS_IDENTITY(twSession)); + + /* Check the return to determine what the user decided + * to do. + */ + switch (twSession->twRC) { + case TWRC_SUCCESS: + /* We are now in TWAIN state 3 */ + twSession->twainState = 3; + LogMessage("Data source %s closed\n", DS_IDENTITY(twSession)->ProductName); + return TRUE; + break; + + default: + LogMessage("Error \"%s\" closing data source\n", currentTwainError(twSession)); + break; + } + + return FALSE; +} + +/* + * closeDSM + * + * Close the data source manager + */ +int +closeDSM(pTW_SESSION twSession) +{ + if (DSM_IS_CLOSED(twSession)) { + LogMessage("closeDSM: Source Manager not open\n"); + return FALSE; + } else { + if (DS_IS_OPEN(twSession)) { + LogMessage("closeDSM: Can't close source manager with open source\n"); + return FALSE; + } else { + twSession->twRC = callDSM(APP_IDENTITY(twSession), NULL, + DG_CONTROL, DAT_PARENT, MSG_CLOSEDSM, + (TW_MEMREF)&(twSession->hwnd)); + + if (twSession->twRC != TWRC_SUCCESS) { + LogMessage("CloseDSM failure -- %s\n", currentTwainError(twSession)); + } + else { + + /* We are now in state 2 */ + twSession->twainState = 2; + } + } + } + + /* Let the caller know what happened */ + return (twSession->twRC==TWRC_SUCCESS); +} + + +/* + * beginImageTransfer + * + * Begin an image transfer. + */ +static int +beginImageTransfer(pTW_SESSION twSession, pTW_IMAGEINFO imageInfo) +{ + /* Clear our structures */ + memset(imageInfo, 0, sizeof(TW_IMAGEINFO)); + + /* Query the image information */ + twSession->twRC = callDSM( + APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_IMAGE, DAT_IMAGEINFO, MSG_GET, + (TW_MEMREF) imageInfo); + + /* Check the return code */ + if (twSession->twRC != TWRC_SUCCESS) { + LogMessage("Get Image Info failure - %s\n", currentTwainError(twSession)); + + return FALSE; + } + + /* Call the begin transfer callback if registered */ + if (twSession->transferFunctions->txfrBeginCb) + if (!(*twSession->transferFunctions->txfrBeginCb)(imageInfo, twSession->clientData)) + return FALSE; + + /* We should continue */ + return TRUE; +} + +/* + * transferImage + * + * The Source indicated it is ready to transfer data. It is + * waiting for the application to inquire about the image details, + * initiate the actual transfer, and, hence, transition the session + * from State 6 to 7. Return the reason for exiting the transfer. + */ +static void +transferImage(pTW_SESSION twSession, pTW_IMAGEINFO imageInfo) +{ + TW_SETUPMEMXFER setupMemXfer; + TW_IMAGEMEMXFER imageMemXfer; + char *buffer; + + /* Clear our structures */ + memset(&setupMemXfer, 0, sizeof(TW_SETUPMEMXFER)); + memset(&imageMemXfer, 0, sizeof(TW_IMAGEMEMXFER)); + + /* Find out how the source would like to transfer... */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_SETUPMEMXFER, MSG_GET, + (TW_MEMREF) &setupMemXfer); + + /* Allocate the buffer for the transfer */ + buffer = g_new (char, setupMemXfer.Preferred); + imageMemXfer.Memory.Flags = TWMF_APPOWNS | TWMF_POINTER; + imageMemXfer.Memory.Length = setupMemXfer.Preferred; + imageMemXfer.Memory.TheMem = (TW_MEMREF) buffer; + + /* Get the data */ + do { + /* Setup for the memory transfer */ + imageMemXfer.Compression = TWON_DONTCARE16; + imageMemXfer.BytesPerRow = TWON_DONTCARE32; + imageMemXfer.Columns = TWON_DONTCARE32; + imageMemXfer.Rows = TWON_DONTCARE32; + imageMemXfer.XOffset = TWON_DONTCARE32; + imageMemXfer.YOffset = TWON_DONTCARE32; + imageMemXfer.BytesWritten = TWON_DONTCARE32; + + /* Get the next block of memory */ + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_IMAGE, DAT_IMAGEMEMXFER, MSG_GET, + (TW_MEMREF) &imageMemXfer); + + if ((twSession->twRC == TWRC_SUCCESS) || + (twSession->twRC == TWRC_XFERDONE)) { + /* Call the callback function */ + if (!(*twSession->transferFunctions->txfrDataCb) ( + imageInfo, + &imageMemXfer, + twSession->clientData)) { + /* Callback function requested to cancel */ + twSession->twRC = TWRC_CANCEL; + break; + } + } + } while (twSession->twRC == TWRC_SUCCESS); + + /* Free the memory buffer */ + g_free (imageMemXfer.Memory.TheMem); +} + +/* + * endPendingTransfer + * + * Cancel the currently pending transfer. + * Return the count of pending transfers. + */ +static int +endPendingTransfer(pTW_SESSION twSession) +{ + TW_PENDINGXFERS pendingXfers; + + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_PENDINGXFERS, MSG_ENDXFER, + (TW_MEMREF) &pendingXfers); + + if (!pendingXfers.Count) + twSession->twainState = 5; + + return pendingXfers.Count; +} + +/* + * cancelPendingTransfers + * + * Cancel all pending image transfers. + */ +void +cancelPendingTransfers(pTW_SESSION twSession) +{ + TW_PENDINGXFERS pendingXfers; + + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_PENDINGXFERS, MSG_RESET, + (TW_MEMREF) &pendingXfers); +} + +/* + * endImageTransfer + * + * Finish transferring an image. Return the count + * of pending images. + */ +static int +endImageTransfer(pTW_SESSION twSession, int *pendingCount) +{ + gboolean continueTransfers; + int exitCode = twSession->twRC; + + /* Have now exited the transfer for some reason... Figure out + * why and what to do about it + */ + switch (twSession->twRC) { + case TWRC_XFERDONE: + case TWRC_CANCEL: + LogMessage("Xfer done received\n"); + *pendingCount = endPendingTransfer(twSession); + break; + + case TWRC_FAILURE: + LogMessage("Failure received\n"); + *pendingCount = endPendingTransfer(twSession); + break; + } + + /* Call the end transfer callback */ + if (twSession->transferFunctions->txfrEndCb) + continueTransfers = + (*twSession->transferFunctions->txfrEndCb)(exitCode, + *pendingCount, + twSession->clientData); + + return (*pendingCount && continueTransfers); +} + +/* + * transferImages + * + * Transfer all of the images that are available from the + * datasource. + */ +static void +transferImages(pTW_SESSION twSession) +{ + TW_IMAGEINFO imageInfo; + int pendingCount; + + /* Check the image transfer callback function + * before even attempting to do the transfer + */ + if (!twSession->transferFunctions || !twSession->transferFunctions->txfrDataCb) { + LogMessage("Attempting image transfer without callback function\n"); + return; + } + + /* + * Inform our application that we are getting ready + * to transfer images. + */ + if (twSession->transferFunctions->preTxfrCb) + (*twSession->transferFunctions->preTxfrCb)(twSession->clientData); + + /* Loop through the available images */ + do { + /* Move to the new state */ + twSession->twainState = 6; + + /* Begin the image transfer */ + if (!beginImageTransfer(twSession, &imageInfo)) + continue; + + /* Call the image transfer function */ + transferImage(twSession, &imageInfo); + + } while (endImageTransfer(twSession, &pendingCount)); + + /* + * Inform our application that we are done + * transferring images. + */ + if (twSession->transferFunctions->postTxfrCb) + (*twSession->transferFunctions->postTxfrCb)(pendingCount, + twSession->clientData); +} + +void +processTwainMessage(TW_UINT16 message, pTW_SESSION twSession) +{ + switch (message) { + case MSG_XFERREADY: + LogMessage("Source says that data is ready\n"); + transferImages(twSession); + break; + + case MSG_CLOSEDSREQ: + /* Disable the datasource, Close the Data source + * and close the data source manager + */ + LogMessage("CloseDSReq\n"); + disableDS(twSession); + closeDS(twSession); + closeDSM(twSession); + break; + + /* No message from the Source to the App break; + * possible new message + */ + case MSG_NULL: + default: + break; + } +} + +/********************************************************************** + * Session related functions + **********************************************************************/ + +/* + * newSession + * + * Create a new TWAIN session. + */ +pTW_SESSION +newSession(pTW_IDENTITY appIdentity) { + /* Create the structure */ + pTW_SESSION session = g_new (TW_SESSION, 1); + + /* Set the structure fields */ + session->hwnd = 0; + session->twRC = TWRC_SUCCESS; + session->appIdentity = appIdentity; + session->dsIdentity = g_new (TW_IDENTITY, 1); + session->dsIdentity->Id = 0; + session->dsIdentity->ProductName[0] = '\0'; + session->transferFunctions = NULL; + + if (twainIsAvailable()) + session->twainState = 2; + else + session->twainState = 0; + + return session; +} + +/* + * registerWindowHandle + * + * Register the window handle to be used for this + * session. + */ +void +registerWindowHandle(pTW_SESSION session, TW_HANDLE hwnd) +{ + session->hwnd = hwnd; +} + +/* + * registerTransferCallback + * + * Register the callback to use when transferring + * image data. + */ +void +registerTransferCallbacks(pTW_SESSION session, + pTXFR_CB_FUNCS txfrFuncs, + void *clientData) +{ + session->transferFunctions = txfrFuncs; + session->clientData = clientData; +} + +/* + * setClientData + * + * Set the client data associated with the specified + * TWAIN session. + */ +void +setClientData(pTW_SESSION session, void *clientData) +{ + session->clientData = clientData; +} diff --git a/plug-ins/twain/tw_func.h b/plug-ins/twain/tw_func.h new file mode 100644 index 0000000..69d305c --- /dev/null +++ b/plug-ins/twain/tw_func.h @@ -0,0 +1,243 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * Should compile and run on both Win32 and Mac OS X 10.3 (possibly + * also on 10.2). + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + * - On Mac OS X, canceling doesn't always close things out fully. + * - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + * (07/23/04) v0.6 Added Mac OS X support. + */ + +#ifndef _TW_FUNC_H +#define _TW_FUNC_H + +#include "tw_platform.h" + +/* + * Pre-image transfer function type + * + * Sent to the caller before any of the + * images are transferred to the application. + */ +typedef void (* TW_PRE_TXFR_CB)(void *); + +/* + * Image transfer begin function type + * + * Sent to the caller when an image transfer + * is about to begin. The caller may return + * FALSE if the transfer should not continue. + * Otherwise, the function should return a + * TRUE value. + */ +typedef int (* TW_TXFR_BEGIN_CB)(pTW_IMAGEINFO, void *); + +/* + * Image transfer callback function type + * + * Expected to return true if the image transfer + * should continue. False if the transfer should + * be cancelled. + */ +typedef int (* TW_TXFR_DATA_CB)(pTW_IMAGEINFO, pTW_IMAGEMEMXFER, void *); + +/* + * Image transfer end function type + * + * Sent to the caller when an image transfer + * is completed. The caller will be handed + * the image transfer completion state. The + * following values (defined in twain.h) are + * possible: + * + * TWRC_XFERDONE + * The transfer completed successfully + * TWRC_CANCEL + * The transfer was completed by the user + * TWRC_FAILURE + * The transfer failed. + */ +typedef int (* TW_TXFR_END_CB)(int, int, void *); + +/* + * Post-image transfer callback + * + * This callback function is called after all + * of the possible images have been transferred + * from the datasource. + */ +typedef void (* TW_POST_TXFR_CB)(int, void *); + +/* + * The following structure defines the + * three callback functions that are called + * while an image is being transferred. + * The types of these functions are defined + * above. Any function that is NULL will just + * not be called. + */ +typedef struct _TXFR_CB_FUNCS { + /* Pre-transfer function */ + TW_PRE_TXFR_CB preTxfrCb; + + /* Begin function */ + TW_TXFR_BEGIN_CB txfrBeginCb; + + /* Data transfer */ + TW_TXFR_DATA_CB txfrDataCb; + + /* End function */ + TW_TXFR_END_CB txfrEndCb; + + /* Post-transfer function */ + TW_POST_TXFR_CB postTxfrCb; +} TXFR_CB_FUNCS, *pTXFR_CB_FUNCS; + +/* + * Data representing a TWAIN + * application to data source + * session. + */ +typedef struct _TWAIN_SESSION { + /* The window handle related to the TWAIN application on Win32 */ + TW_HANDLE hwnd; + + /* The current TWAIN return code */ + TW_UINT16 twRC; + + /* The application's TWAIN identity */ + pTW_IDENTITY appIdentity; + + /* The datasource's TWAIN identity */ + pTW_IDENTITY dsIdentity; + + /* The image data transfer functions */ + pTXFR_CB_FUNCS transferFunctions; + + /* Client data that is associated with the image + * transfer callback + */ + void *clientData; + + /* + * The following variable tracks the current state + * as related to the TWAIN engine. The states are: + * + * 1) Pre-session: The DSM has not been loaded + * 2) Source Manager Loaded (not opened) + * 3) Source Manager Opened + * 4) Source Open + * 5) Source Enabled + * 6) Transfer ready + * 7) Transferring + */ + int twainState; + +} TW_SESSION, *pTW_SESSION; + +/* Session structure access + * macros + */ +/* #define pAPP_IDENTITY(tw_session) (&(tw_session->appIdentity)) */ +#define APP_IDENTITY(tw_session) (tw_session->appIdentity) +/* #define pDS_IDENTITY(tw_session) (&(tw_session->dsIdentity)) */ +#define DS_IDENTITY(tw_session) (tw_session->dsIdentity) + +/* State macros... Each expects + * a Twain Session pointer + */ +#define TWAIN_LOADED(tw_session) (tw_session->twainState >= 2) +#define TWAIN_UNLOADED(tw_session) (tw_session->twainState < 2) +#define DSM_IS_OPEN(tw_session) (tw_session->twainState >= 3) +#define DSM_IS_CLOSED(tw_session) (tw_session->twainState < 3) +#define DS_IS_OPEN(tw_session) (tw_session->twainState >= 4) +#define DS_IS_CLOSED(tw_session) (tw_session->twainState < 4) +#define DS_IS_ENABLED(tw_session) (tw_session->twainState >= 5) +#define DS_IS_DISABLED(tw_session) (tw_session->twainState < 5) + +/* Function declarations */ +char *twainError(int); +char *currentTwainError(pTW_SESSION); +int getImage(pTW_SESSION); +int loadTwainLibrary(pTW_SESSION); +int unloadTwainLibrary(pTW_SESSION twSession); +int openDSM(pTW_SESSION); +int selectDS(pTW_SESSION); +int selectDefaultDS(pTW_SESSION); +int openDS(pTW_SESSION); +int requestImageAcquire(pTW_SESSION, gboolean); +int disableDS(pTW_SESSION); +int closeDS(pTW_SESSION); +int closeDSM(pTW_SESSION); +void cancelPendingTransfers(pTW_SESSION); +int scanImage (void); + +TW_FIX32 FloatToFIX32(float); +float FIX32ToFloat(TW_FIX32); + +void processTwainMessage(TW_UINT16 message, pTW_SESSION twSession); + +pTW_SESSION newSession(pTW_IDENTITY); +void registerWindowHandle(pTW_SESSION, TW_HANDLE); +void registerTransferCallbacks(pTW_SESSION, pTXFR_CB_FUNCS, void *); +void setClientData(pTW_SESSION session, void *clientData); +pTW_SESSION initializeTwain(void); + +#ifdef G_OS_WIN32 +void LogLastWinError(void); +BOOL InitApplication(HINSTANCE hInstance); +BOOL InitInstance(HINSTANCE hInstance, int nCmdShow, pTW_SESSION twSession); +#endif + +#endif /* _TW_FUNC_H */ diff --git a/plug-ins/twain/tw_local.h b/plug-ins/twain/tw_local.h new file mode 100644 index 0000000..88348ab --- /dev/null +++ b/plug-ins/twain/tw_local.h @@ -0,0 +1,48 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef _TW_LOCAL_H +#define _TW_LOCAL_H + +#include "tw_func.h" + +/* Functions which the platform-independent code will call */ + +TW_UINT16 callDSM(pTW_IDENTITY, pTW_IDENTITY, + TW_UINT32, TW_UINT16, + TW_UINT16, TW_MEMREF); + +int twainIsAvailable(void); +void twainQuitApplication (void); +gboolean twainSetupCallback (pTW_SESSION twSession); + +TW_HANDLE twainAllocHandle(size_t size); +TW_MEMREF twainLockHandle (TW_HANDLE handle); +void twainUnlockHandle (TW_HANDLE handle); +void twainFreeHandle (TW_HANDLE handle); + +int twainMain (void); +int scanImage (void); + +#endif diff --git a/plug-ins/twain/tw_platform.h b/plug-ins/twain/tw_platform.h new file mode 100644 index 0000000..de0263b --- /dev/null +++ b/plug-ins/twain/tw_platform.h @@ -0,0 +1,37 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +#ifndef _TW_PLATFORM_H +#define _TW_PLATFORM_H + +#include <windows.h> +#include "twain.h" + +/* The DLL to be loaded for TWAIN support */ +#define TWAIN_DLL_NAME "TWAIN_32.DLL" +#define DEBUG_LOGFILE "c:\\twain.log" +#define DUMP_FILE "C:\\TWAINCAP.BIN" +#define DUMP_NAME "DTWAIN.EXE" +#define READDUMP_NAME "RTWAIN.EXE" + +/* Windows uses separate entry point */ +#define TWAIN_ALTERNATE_MAIN + +#endif diff --git a/plug-ins/twain/tw_util.c b/plug-ins/twain/tw_util.c new file mode 100644 index 0000000..f02109b --- /dev/null +++ b/plug-ins/twain/tw_util.c @@ -0,0 +1,170 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * Should compile and run on both Win32 and Mac OS X 10.3 (possibly + * also on 10.2). + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + * - On Mac OS X, canceling doesn't always close things out fully. + * - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + * (07/23/04) v0.6 Added Mac OS X support. + */ + +#include "config.h" + +#include <glib.h> /* Needed when compiling with gcc */ + +#include <glib/gstdio.h> + +#include <stdarg.h> +#include <stdlib.h> +#include <string.h> +#include <time.h> + +#include "tw_util.h" +#ifdef _DEBUG +#include "tw_func.h" +FILE *logFile = NULL; +#endif + +#ifdef _DEBUG + +/* + * LogMessage + */ +void +LogMessage(char *format, ...) +{ + va_list args; + time_t time_of_day; + char *ctime_string; + + /* Open the log file as necessary */ + if (!logFile) + logFile = g_fopen(DEBUG_LOGFILE, "w"); + + time_of_day = time(NULL); + ctime_string = ctime(&time_of_day); + ctime_string[19] = '\0'; + + fprintf(logFile, "[%s] ", (ctime_string + 11)); + va_start(args, format); + vfprintf(logFile, format, args); + fflush(logFile); + va_end(args); +} + +void +logBegin(pTW_IMAGEINFO imageInfo, void *clientData) +{ + int i; + char buffer[256]; + + LogMessage("\n"); + LogMessage("*************************************\n"); + LogMessage("\n"); + LogMessage("Image transfer begin:\n"); + /* LogMessage("\tClient data: %s\n", (char *) clientData); */ + + /* Log the image information */ + LogMessage("Image information:\n"); + LogMessage("\tXResolution: %f\n", FIX32ToFloat(imageInfo->XResolution)); + LogMessage("\tYResolution: %f\n", FIX32ToFloat(imageInfo->YResolution)); + LogMessage("\tImageWidth: %d\n", imageInfo->ImageWidth); + LogMessage("\tImageLength: %d\n", imageInfo->ImageLength); + LogMessage("\tSamplesPerPixel: %d\n", imageInfo->SamplesPerPixel); + sprintf(buffer, "\tBitsPerSample: {"); + for (i = 0; i < 8; i++) { + if (imageInfo->BitsPerSample[i]) + strcat(buffer, "1"); + else + strcat(buffer, "0"); + + if (i != 7) + strcat(buffer, ","); + } + LogMessage("%s}\n", buffer); + + LogMessage("\tBitsPerPixel: %d\n", imageInfo->BitsPerPixel); + LogMessage("\tPlanar: %s\n", (imageInfo->Planar ? "TRUE" : "FALSE")); + LogMessage("\tPixelType: %d\n", imageInfo->PixelType); + /* Compression */ + +} + +void +logData(pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData) +{ + LogMessage("Image transfer callback called:\n"); + LogMessage("\tClient data: %s\n", (char *) clientData); + LogMessage("Memory block transferred:\n"); + LogMessage("\tBytesPerRow = %d\n", imageMemXfer->BytesPerRow); + LogMessage("\tColumns = %d\n", imageMemXfer->Columns); + LogMessage("\tRows = %d\n", imageMemXfer->Rows); + LogMessage("\tXOffset = %d\n", imageMemXfer->XOffset); + LogMessage("\tYOffset = %d\n", imageMemXfer->YOffset); + LogMessage("\tBytesWritten = %d\n", imageMemXfer->BytesWritten); +} + +#else + +/* + * LogMessage + */ +void +LogMessage(char *format, ...) +{ +} + +#endif /* DEBUG */ diff --git a/plug-ins/twain/tw_util.h b/plug-ins/twain/tw_util.h new file mode 100644 index 0000000..8fac459 --- /dev/null +++ b/plug-ins/twain/tw_util.h @@ -0,0 +1,73 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * Should compile and run on both Win32 and Mac OS X 10.3 (possibly + * also on 10.2). + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + * - On Mac OS X, canceling doesn't always close things out fully. + * - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + * (07/23/04) v0.6 Added Mac OS X support. + */ +#ifndef __TW_UTIL_H +#define __TW_UTIL_H + +#include "tw_platform.h" + +void LogMessage(char *, ...); + +#ifdef _DEBUG +void logBegin(pTW_IMAGEINFO, void *); +void logData(pTW_IMAGEINFO, pTW_IMAGEMEMXFER, void *); +#endif + +#endif /* __TW_UTIL_H */ diff --git a/plug-ins/twain/tw_win.c b/plug-ins/twain/tw_win.c new file mode 100644 index 0000000..726a45f --- /dev/null +++ b/plug-ins/twain/tw_win.c @@ -0,0 +1,452 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + */ + +/* + * Windows platform-specific code + */ + +#include "config.h" + +#include <libgimp/gimp.h> + +#include "tw_platform.h" +#include "tw_func.h" +#include "tw_util.h" +#include "tw_local.h" + +LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM); + +int twainMessageLoop(pTW_SESSION); +int TwainProcessMessage(LPMSG lpMsg, pTW_SESSION twSession); + +extern GimpPlugInInfo PLUG_IN_INFO; +extern pTW_SESSION initializeTwain (); +#ifdef _DEBUG +extern void setRunMode(char *argv[]); +#endif + + +#define APP_NAME "TWAIN" +#define SHOW_WINDOW 0 +#define WM_TRANSFER_IMAGE (WM_USER + 100) + +/* main bits */ +static HWND hwnd = NULL; +static HINSTANCE hInst = NULL; + +/* Storage for the DLL handle */ +static HINSTANCE hDLL = NULL; + +/* Storage for the entry point into the DSM */ +static DSMENTRYPROC dsmEntryPoint = NULL; + + +/* + * callDSM + * + * Call the specified function on the data source manager. + */ +TW_UINT16 +callDSM(pTW_IDENTITY pOrigin, + pTW_IDENTITY pDest, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData) +{ + /* Call the function */ + return (*dsmEntryPoint) (pOrigin, pDest, DG, DAT, MSG, pData); +} + +/* + * twainIsAvailable + * + * Return boolean indicating whether TWAIN is available + */ +int +twainIsAvailable(void) +{ + /* Already loaded? */ + if (dsmEntryPoint) { + return TRUE; + } + + /* Attempt to load the library */ + hDLL = LoadLibrary(TWAIN_DLL_NAME); + if (hDLL == NULL) + return FALSE; + + /* Look up the entry point for use */ + dsmEntryPoint = (DSMENTRYPROC) GetProcAddress(hDLL, "DSM_Entry"); + if (dsmEntryPoint == NULL) + return FALSE; + + return TRUE; +} + +TW_HANDLE +twainAllocHandle (size_t size) +{ + return GlobalAlloc(GHND, size); +} + +TW_MEMREF +twainLockHandle (TW_HANDLE handle) +{ + return GlobalLock (handle); +} + +void +twainUnlockHandle (TW_HANDLE handle) +{ + GlobalUnlock (handle); +} + +void +twainFreeHandle (TW_HANDLE handle) +{ + GlobalFree (handle); +} + +gboolean +twainSetupCallback (pTW_SESSION twSession) +{ + /* Callbacks go through the window messaging system */ + return TRUE; +} + +/* + * unloadTwainLibrary + * + * Unload the TWAIN dynamic link library + */ +int +unloadTwainLibrary(pTW_SESSION twSession) +{ + /* Explicitly free the SM library */ + if (hDLL) { + FreeLibrary(hDLL); + hDLL=NULL; + } + + /* the data source id will no longer be valid after + * twain is killed. If the id is left around the + * data source can not be found or opened + */ + DS_IDENTITY(twSession)->Id = 0; + + /* We are now back at state 1 */ + twSession->twainState = 1; + LogMessage("Source Manager successfully closed\n"); + + return TRUE; +} + +/* + * TwainProcessMessage + * + * Returns TRUE if the application should process message as usual. + * Returns FALSE if the application should skip processing of this message + */ +int +TwainProcessMessage(LPMSG lpMsg, pTW_SESSION twSession) +{ + TW_EVENT twEvent; + + twSession->twRC = TWRC_NOTDSEVENT; + + /* Only ask Source Manager to process event if there is a Source connected. */ + if (DSM_IS_OPEN(twSession) && DS_IS_OPEN(twSession)) { + /* + * A Source provides a modeless dialog box as its user interface. + * The following call relays Windows messages down to the Source's + * UI that were intended for its dialog box. It also retrieves TWAIN + * messages sent from the Source to our Application. + */ + twEvent.pEvent = (TW_MEMREF) lpMsg; + twSession->twRC = callDSM(APP_IDENTITY(twSession), DS_IDENTITY(twSession), + DG_CONTROL, DAT_EVENT, MSG_PROCESSEVENT, + (TW_MEMREF) &twEvent); + + /* Check the return code */ + if (twSession->twRC == TWRC_NOTDSEVENT) { + return FALSE; + } + + /* Process the message as necessary */ + processTwainMessage(twEvent.TWMessage, twSession); + } + + /* tell the caller what happened */ + return (twSession->twRC == TWRC_DSEVENT); +} + +/* + * twainMessageLoop + * + * Process Win32 window messages and provide special handling + * of TWAIN specific messages. This loop will not exit until + * the application exits. + */ +int +twainMessageLoop(pTW_SESSION twSession) +{ + MSG msg; + + while (GetMessage(&msg, NULL, 0, 0)) { + if (DS_IS_CLOSED(twSession) || !TwainProcessMessage(&msg, twSession)) { + TranslateMessage((LPMSG)&msg); + DispatchMessage(&msg); + } + } + + return msg.wParam; +} + +/* + * LogLastWinError + * + * Log the last Windows error as returned by + * GetLastError. + */ +void +LogLastWinError(void) +{ + LPVOID lpMsgBuf; + + FormatMessage( + FORMAT_MESSAGE_ALLOCATE_BUFFER | + FORMAT_MESSAGE_FROM_SYSTEM | + FORMAT_MESSAGE_IGNORE_INSERTS, + NULL, + GetLastError(), + MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), /* Default language */ + (LPTSTR) &lpMsgBuf, + 0, + NULL + ); + + LogMessage("%s\n", lpMsgBuf); + + /* Free the buffer. */ + LocalFree( lpMsgBuf ); +} + +void twainQuitApplication () +{ + PostQuitMessage (0); +} + + +/****************************************************************** + * Win32 entry point and setup... + ******************************************************************/ + +/* + * WinMain + * + * The standard gimp entry point won't quite cut it for + * this plug-in. This plug-in requires creation of a + * standard Win32 window (hidden) in order to receive + * and process window messages on behalf of the TWAIN + * datasource. + */ +int APIENTRY +WinMain(HINSTANCE hInstance, + HINSTANCE hPrevInstance, + LPSTR lpCmdLine, + int nCmdShow) +{ + + /* + * Normally, we would do all of the Windows-ish set up of + * the window classes and stuff here in WinMain. But, + * the only time we really need the window and message + * queues is during the plug-in run. So, all of that will + * be done during run(). This avoids all of the Windows + * setup stuff for the query(). Stash the instance handle now + * so it is available from the run() procedure. + */ + hInst = hInstance; + +#ifdef _DEBUG + /* When in debug version, we allow different run modes... + * make sure that it is correctly set. + */ + setRunMode(__argv); +#endif /* _DEBUG */ + + /* + * Now, call gimp_main... This is what the MAIN() macro + * would usually do. + */ + return gimp_main(&PLUG_IN_INFO, __argc, __argv); +} + +/* + * main + * + * allow to build as console app as well + */ +int main (int argc, char *argv[]) +{ +#ifdef _DEBUG + /* When in debug version, we allow different run modes... + * make sure that it is correctly set. + */ + setRunMode(__argv); +#endif /* _DEBUG */ + + /* + * Now, call gimp_main... This is what the MAIN() macro + * would usually do. + */ + return gimp_main(&PLUG_IN_INFO, __argc, __argv); +} + +/* + * InitApplication + * + * Initialize window data and register the window class + */ +BOOL +InitApplication(HINSTANCE hInstance) +{ + WNDCLASS wc; + BOOL retValue; + + /* + * Fill in window class structure with parameters to describe + * the main window. + */ + wc.style = CS_HREDRAW | CS_VREDRAW; + wc.lpfnWndProc = (WNDPROC) WndProc; + wc.cbClsExtra = 0; + wc.cbWndExtra = 0; + wc.hInstance = hInstance; + wc.hIcon = LoadIcon(NULL, IDI_APPLICATION); + wc.hCursor = LoadCursor(NULL, IDC_ARROW); + wc.hbrBackground = (HBRUSH) (COLOR_WINDOW + 1); + wc.lpszClassName = APP_NAME; + wc.lpszMenuName = NULL; + + /* Register the window class and stash success/failure code. */ + retValue = RegisterClass(&wc); + + /* Log error */ + if (!retValue) + LogLastWinError(); + + return retValue; +} + +/* + * InitInstance + * + * Create the main window for the application. Used to + * interface with the TWAIN datasource. + */ +BOOL +InitInstance(HINSTANCE hInstance, int nCmdShow, pTW_SESSION twSession) +{ + /* Create our window */ + hwnd = CreateWindow(APP_NAME, APP_NAME, WS_OVERLAPPEDWINDOW, + CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, + NULL, NULL, hInstance, NULL); + + if (!hwnd) { + return (FALSE); + } + + /* Register our window handle with the TWAIN + * support. + */ + registerWindowHandle(twSession, hwnd); + + /* Schedule the image transfer by posting a message */ + PostMessage(hwnd, WM_TRANSFER_IMAGE, 0, 0); + + ShowWindow(hwnd, nCmdShow); + UpdateWindow(hwnd); + + return TRUE; +} + +/* + * twainWinMain + * + * This is the function that represents the code that + * would normally reside in WinMain (see above). This + * function will get called during run() in order to set + * up the windowing environment necessary for TWAIN to + * operate. + */ +int +twainMain() +{ + /* Initialize the twain information */ + pTW_SESSION twSession = initializeTwain(); + + /* Perform instance initialization */ + if (!InitApplication(hInst)) + return (FALSE); + + /* Perform application initialization */ + if (!InitInstance(hInst, SHOW_WINDOW, twSession)) + return (FALSE); + + /* + * Call the main message processing loop... + * This call will not return until the application + * exits. + */ + return twainMessageLoop(twSession); +} + +/* + * WndProc + * + * Process window message for the main window. + */ +LRESULT CALLBACK +WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) +{ + switch (message) { + + case WM_TRANSFER_IMAGE: + /* Get an image */ + scanImage (); + break; + + case WM_DESTROY: + LogMessage("Exiting application\n"); + PostQuitMessage(0); + break; + + default: + return (DefWindowProc(hWnd, message, wParam, lParam)); + } + return 0; +} + diff --git a/plug-ins/twain/twain.c b/plug-ins/twain/twain.c new file mode 100644 index 0000000..dafb215 --- /dev/null +++ b/plug-ins/twain/twain.c @@ -0,0 +1,962 @@ +/* + * TWAIN Plug-in + * Copyright (C) 1999 Craig Setera + * Craig Setera <setera@home.com> + * 03/31/1999 + * + * Updated for Mac OS X support + * Brion Vibber <brion@pobox.com> + * 07/22/2004 + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <https://www.gnu.org/licenses/>. + * + * + * Based on (at least) the following plug-ins: + * Screenshot + * GIF + * Randomize + * + * Any suggestions, bug-reports or patches are welcome. + * + * This plug-in interfaces to the TWAIN support library in order + * to capture images from TWAIN devices directly into GIMP images. + * The plug-in is capable of acquiring the following type of + * images: + * - B/W (1 bit images translated to grayscale B/W) + * - Grayscale up to 16 bits per pixel + * - RGB up to 16 bits per sample (24, 30, 36, etc.) + * - Paletted images (both Gray and RGB) + * + * Prerequisites: + * Should compile and run on both Win32 and Mac OS X 10.3 (possibly + * also on 10.2). + * + * Known problems: + * - Multiple image transfers will hang the plug-in. The current + * configuration compiles with a maximum of single image transfers. + * - On Mac OS X, canceling doesn't always close things out fully. + * - Epson TWAIN driver on Mac OS X crashes the plugin when scanning. + */ + +/* + * Revision history + * (02/07/99) v0.1 First working version (internal) + * (02/09/99) v0.2 First release to anyone other than myself + * (02/15/99) v0.3 Added image dump and read support for debugging + * (03/31/99) v0.5 Added support for multi-byte samples and paletted + * images. + * (07/23/04) v0.6 Added Mac OS X support. + */ +#include "config.h" + +#include <glib.h> /* Needed when compiling with gcc */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "tw_platform.h" +#include "tw_local.h" + +#include "libgimp/gimp.h" +#include "libgimp/stdplugins-intl.h" + +#include "tw_func.h" +#include "tw_util.h" + +#ifdef _DEBUG +#include "tw_dump.h" +#endif /* _DEBUG */ + +/* + * Plug-in Definitions + */ +#define PLUG_IN_NAME "twain-acquire" +#define PLUG_IN_DESCRIPTION N_("Capture an image from a TWAIN datasource") +#define PLUG_IN_HELP "This plug-in will capture an image from a TWAIN datasource" +#define PLUG_IN_AUTHOR "Craig Setera (setera@home.com)" +#define PLUG_IN_COPYRIGHT "Craig Setera" +#define PLUG_IN_VERSION "v0.6 (07/22/2004)" + +#ifdef _DEBUG +#define PLUG_IN_D_NAME "twain-acquire-dump" +#define PLUG_IN_R_NAME "twain-acquire-read" +#endif /* _DEBUG */ + +/* + * Application definitions + */ +#define MAX_IMAGES 1 + +/* + * Definition of the run states + */ +#define RUN_STANDARD 0 +#define RUN_DUMP 1 +#define RUN_READDUMP 2 + +/* Global variables */ +pTW_SESSION twSession = NULL; + +#ifdef _DEBUG +static int twain_run_mode = RUN_STANDARD; +#endif + +/* Forward declarations */ +void preTransferCallback (void *clientData); +int beginTransferCallback (pTW_IMAGEINFO imageInfo, + void *clientData); +int dataTransferCallback (pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData); +int endTransferCallback (int completionState, + int pendingCount, + void *clientData); +void postTransferCallback (int pendingCount, + void *clientData); + +static void query (void); +static void run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals); + + +const GimpPlugInInfo PLUG_IN_INFO = +{ + NULL, /* init_proc */ + NULL, /* quit_proc */ + query, /* query_proc */ + run, /* run_proc */ +}; + +extern void set_gimp_PLUG_IN_INFO_PTR (GimpPlugInInfo *); + +/* Data structure holding data between runs */ +/* Currently unused... Eventually may be used + * to track dialog data. + */ +typedef struct +{ + gchar sourceName[34]; + gfloat xResolution; + gfloat yResolution; + gint xOffset; + gint yOffset; + gint width; + gint height; + gint imageType; +} TwainValues; + +/* Default Twain values */ +static TwainValues twainvals = +{ + "", + 100.0, 100.0, + 0, 0, + 0, 0, + TWPT_RGB +}; + +/* The standard callback functions */ +TXFR_CB_FUNCS standardCbFuncs = +{ + preTransferCallback, + beginTransferCallback, + dataTransferCallback, + endTransferCallback, + postTransferCallback +}; + +/****************************************************************** + * Dump handling + ******************************************************************/ + +#ifdef _DEBUG +/* The dumper callback functions */ +TXFR_CB_FUNCS dumperCbFuncs = +{ + dumpPreTransferCallback, + dumpBeginTransferCallback, + dumpDataTransferCallback, + dumpEndTransferCallback, + dumpPostTransferCallback +}; + +void +setRunMode (char *argv[]) +{ + char *exeName = strrchr (argv[0], '\\') + 1; + + LogMessage ("Executable name: %s\n", exeName); + + if (!_stricmp (exeName, DUMP_NAME)) + twain_run_mode = RUN_DUMP; + + if (!_stricmp (exeName, RUNDUMP_NAME)) + twain_run_mode = RUN_READDUMP; +} +#endif /* _DEBUG */ + +#ifndef TWAIN_ALTERNATE_MAIN +MAIN () +#endif + +int +scanImage (void) +{ +#ifdef _DEBUG + if (twain_run_mode == RUN_READDUMP) + return readDumpedImage (twSession); + else +#endif /* _DEBUG */ + return getImage (twSession); +} + +/* + * initTwainAppIdentity + * + * Initialize and return our application's identity for + * the TWAIN runtime. + */ +static pTW_IDENTITY +getAppIdentity (void) +{ + pTW_IDENTITY appIdentity = g_new (TW_IDENTITY, 1); + + /* Set up the application identity */ + appIdentity->Id = 0; + appIdentity->Version.MajorNum = 0; + appIdentity->Version.MinorNum = 1; + appIdentity->Version.Language = TWLG_USA; + appIdentity->Version.Country = TWCY_USA; + strcpy(appIdentity->Version.Info, "GIMP TWAIN 0.6"); + appIdentity->ProtocolMajor = TWON_PROTOCOLMAJOR; + appIdentity->ProtocolMinor = TWON_PROTOCOLMINOR; + appIdentity->SupportedGroups = DG_IMAGE; + strcpy(appIdentity->Manufacturer, "Craig Setera"); + strcpy(appIdentity->ProductFamily, "GIMP"); + strcpy(appIdentity->ProductName, "GIMP"); + + return appIdentity; +} + +/* + * initializeTwain + * + * Do the necessary TWAIN initialization. This sets up + * our TWAIN session information. The session stuff is + * something built by me on top of the standard TWAIN + * datasource manager calls. + */ +pTW_SESSION +initializeTwain (void) +{ + pTW_IDENTITY appIdentity; + + /* Get our application's identity */ + appIdentity = getAppIdentity (); + + /* Create a new session object */ + twSession = newSession (appIdentity); + + /* Register our image transfer callback functions */ +#ifdef _DEBUG + if (twain_run_mode == RUN_DUMP) + registerTransferCallbacks (twSession, &dumperCbFuncs, NULL); + else +#endif /* _DEBUG */ + registerTransferCallbacks (twSession, &standardCbFuncs, NULL); + + return twSession; +} + +/****************************************************************** + * GIMP Plug-in entry points + ******************************************************************/ + +/* + * Plug-in Parameter definitions + */ +#define NUMBER_IN_ARGS 1 +#define IN_ARGS { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0), RUN-NONINTERACTIVE (1) }" } +#define NUMBER_OUT_ARGS 2 +#define OUT_ARGS \ + { GIMP_PDB_INT32, "image-count", "Number of acquired images" }, \ + { GIMP_PDB_INT32ARRAY, "image-ids", "Array of acquired image identifiers" } + + +/* + * query + * + * The plug-in is being queried. Install our procedure for + * acquiring. + */ +static void +query (void) +{ + static const GimpParamDef args[] = { IN_ARGS }; + static const GimpParamDef return_vals[] = { OUT_ARGS }; + +#ifdef _DEBUG + if (twain_run_mode == RUN_DUMP) + { + /* the installation of the plugin */ + gimp_install_procedure (PLUG_IN_D_NAME, + PLUG_IN_DESCRIPTION, + PLUG_IN_HELP, + PLUG_IN_AUTHOR, + PLUG_IN_COPYRIGHT, + PLUG_IN_VERSION, + "TWAIN (Dump)...", + NULL, + GIMP_PLUGIN, + NUMBER_IN_ARGS, + NUMBER_OUT_ARGS, + args, + return_vals); + + gimp_plugin_menu_register (PLUG_IN_D_NAME, "<Image>/File/Create/Acquire"); + } + else if (twain_run_mode == RUN_READDUMP) + { + /* the installation of the plugin */ + gimp_install_procedure (PLUG_IN_R_NAME, + PLUG_IN_DESCRIPTION, + PLUG_IN_HELP, + PLUG_IN_AUTHOR, + PLUG_IN_COPYRIGHT, + PLUG_IN_VERSION, + "TWAIN (Read)...", + NULL, + GIMP_PLUGIN, + NUMBER_IN_ARGS, + NUMBER_OUT_ARGS, + args, + return_vals); + + gimp_plugin_menu_register (PLUG_IN_R_NAME, "<Image>/File/Create/Acquire"); + } + else +#endif /* _DEBUG */ + { + /* the installation of the plugin */ + gimp_install_procedure (PLUG_IN_NAME, + PLUG_IN_DESCRIPTION, + PLUG_IN_HELP, + PLUG_IN_AUTHOR, + PLUG_IN_COPYRIGHT, + PLUG_IN_VERSION, + N_("_Scanner/Camera..."), + NULL, + GIMP_PLUGIN, + NUMBER_IN_ARGS, + NUMBER_OUT_ARGS, + args, + return_vals); + + gimp_plugin_menu_register (PLUG_IN_NAME, "<Image>/File/Create/Acquire"); + } +} + + +/* Return values storage */ +static GimpParam values[3]; + +/* + * run + * + * The plug-in is being requested to run. + * Capture an image from a TWAIN datasource + */ +static void +run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals) +{ + GimpRunMode run_mode = param[0].data.d_int32; + + /* Initialize the return values + * Always return at least the status to the caller. + */ + values[0].type = GIMP_PDB_STATUS; + values[0].data.d_status = GIMP_PDB_SUCCESS; + + *nreturn_vals = 1; + *return_vals = values; + + INIT_I18N (); + gegl_init (NULL, NULL); + + /* Before we get any further, verify that we have + * TWAIN and that there is actually a datasource + * to be used in doing the acquire. + */ + if (! twainIsAvailable ()) + { + values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; + return; + } + + /* Set up the rest of the return parameters */ + values[1].type = GIMP_PDB_INT32; + values[1].data.d_int32 = 0; + values[2].type = GIMP_PDB_INT32ARRAY; + values[2].data.d_int32array = g_new (gint32, MAX_IMAGES); + + /* How are we running today? */ + switch (run_mode) + { + case GIMP_RUN_INTERACTIVE: + /* Retrieve values from the last run... + * Currently ignored + */ + gimp_get_data (PLUG_IN_NAME, &twainvals); + break; + + case GIMP_RUN_NONINTERACTIVE: + /* Currently, we don't do non-interactive calls. + * Bail if someone tries to call us non-interactively + */ + values[0].data.d_status = GIMP_PDB_CALLING_ERROR; + return; + + case GIMP_RUN_WITH_LAST_VALS: + /* Retrieve values from the last run... + * Currently ignored + */ + gimp_get_data (PLUG_IN_NAME, &twainvals); + break; + + default: + break; + } + + /* Have we succeeded so far? */ + if (values[0].data.d_status == GIMP_PDB_SUCCESS) + twainMain (); + + /* Check to make sure we got at least one valid + * image. + */ + if (values[1].data.d_int32 > 0) + { + /* An image was captured from the TWAIN + * datasource. Do final Interactive + * steps. + */ + if (run_mode == GIMP_RUN_INTERACTIVE) + { + /* Store variable states for next run */ + gimp_set_data (PLUG_IN_NAME, &twainvals, sizeof (TwainValues)); + } + + /* Set return values */ + *nreturn_vals = 3; + } + else + { + values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; + } +} + +/*********************************************************************** + * Image transfer callback functions + ***********************************************************************/ + +/* Data used to carry data between each of + * the callback function calls. + */ +typedef struct +{ + gint32 image_id; + gint32 layer_id; + GeglBuffer *buffer; + const Babl *format; + pTW_PALETTE8 paletteData; + int totalPixels; + int completedPixels; +} ClientDataStruct, *pClientDataStruct; + +/* + * preTransferCallback + * + * This callback function is called before any images + * are transferred. Set up the one time only stuff. + */ +void +preTransferCallback (void *clientData) +{ + /* Initialize our progress dialog */ + gimp_progress_init (_("Transferring data from scanner/camera")); +} + +/* + * beginTransferCallback + * + * The following function is called at the beginning + * of each image transfer. + */ +int +beginTransferCallback (pTW_IMAGEINFO imageInfo, + void *clientData) +{ + pClientDataStruct theClientData = g_new (ClientDataStruct, 1); + + const Babl *format; + GimpImageBaseType imageType; + GimpImageType layerType; + GimpPrecision precision; + + gint bpc = imageInfo->BitsPerPixel / + imageInfo->SamplesPerPixel; + + +#ifdef _DEBUG + logBegin (imageInfo, clientData); +#endif + + /* Decide on the image type */ + switch (imageInfo->PixelType) + { + case TWPT_BW: + /* Set up the image and layer types */ + imageType = GIMP_GRAY; + layerType = GIMP_GRAY_IMAGE; + precision = GIMP_PRECISION_U8_GAMMA; + format = babl_format ("Y' u8"); + break; + + case TWPT_GRAY: + /* Set up the image and layer types */ + imageType = GIMP_GRAY; + layerType = GIMP_GRAY_IMAGE; + + switch (bpc) + { + case 8: + precision = GIMP_PRECISION_U8_GAMMA; + format = babl_format ("Y' u8"); + break; + + case 16: + precision = GIMP_PRECISION_U16_GAMMA; + format = babl_format ("Y' u16"); + break; + + default: + return FALSE; + } + break; + + case TWPT_RGB: + /* Set up the image and layer types */ + imageType = GIMP_RGB; + layerType = GIMP_RGB_IMAGE; + + switch (bpc) + { + case 8: + precision = GIMP_PRECISION_U8_GAMMA; + format = babl_format ("R'G'B' u8"); + break; + + case 16: + precision = GIMP_PRECISION_U16_GAMMA; + format = babl_format ("R'G'B' u16"); + break; + + default: + return FALSE; + } + break; + + case TWPT_PALETTE: + /* Get the palette data */ + theClientData->paletteData = g_new (TW_PALETTE8, 1); + twSession->twRC = callDSM (APP_IDENTITY (twSession), + DS_IDENTITY (twSession), + DG_IMAGE, DAT_PALETTE8, MSG_GET, + (TW_MEMREF) theClientData->paletteData); + if (twSession->twRC != TWRC_SUCCESS) + return FALSE; + + switch (theClientData->paletteData->PaletteType) + { + case TWPA_RGB: + /* Set up the image and layer types */ + imageType = GIMP_RGB; + layerType = GIMP_RGB_IMAGE; + precision = GIMP_PRECISION_U8_GAMMA; + + format = babl_format ("R'G'B' u8"); + break; + + case TWPA_GRAY: + /* Set up the image and layer types */ + imageType = GIMP_GRAY; + layerType = GIMP_GRAY_IMAGE; + precision = GIMP_PRECISION_U8_GAMMA; + + format = babl_format ("Y' u8"); + break; + + default: + return FALSE; + } + break; + + default: + /* We don't know how to deal with anything other than + * the types listed above. Bail for any other image + * type. + */ + return FALSE; + } + + /* Create the GIMP image */ + theClientData->image_id = gimp_image_new_with_precision ( + imageInfo->ImageWidth, + imageInfo->ImageLength, + imageType, + precision); + + /* Set the actual resolution */ + gimp_image_set_resolution (theClientData->image_id, + FIX32ToFloat (imageInfo->XResolution), + FIX32ToFloat (imageInfo->YResolution)); + gimp_image_set_unit (theClientData->image_id, GIMP_UNIT_INCH); + + /* Create a layer */ + theClientData->layer_id = gimp_layer_new (theClientData->image_id, + _("Background"), + imageInfo->ImageWidth, + imageInfo->ImageLength, + layerType, 100, + GIMP_LAYER_MODE_NORMAL); + + /* Add the layer to the image */ + gimp_image_insert_layer (theClientData->image_id, + theClientData->layer_id, -1, 0); + + /* Update the progress dialog */ + theClientData->totalPixels = imageInfo->ImageWidth * imageInfo->ImageLength; + theClientData->completedPixels = 0; + + gimp_progress_update (0.0); + + theClientData->buffer = gimp_drawable_get_buffer (theClientData->layer_id); + theClientData->format = format; + + /* Store our client data for the data transfer callbacks */ + if (clientData) + g_free (clientData); + + setClientData (twSession, (void *) theClientData); + + /* Make sure to return TRUE to continue the image + * transfer + */ + return TRUE; +} + +/* + * bitTransferCallback + * + * The following function is called for each memory + * block that is transferred from the data source if + * the image type is Black/White. + * + * Black and white data is unpacked from bit data + * into byte data and written into a gray scale GIMP + * image. + */ +static char bitMasks[] = { 128, 64, 32, 16, 8, 4, 2, 1 }; +static int +bitTransferCallback (pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData) +{ + int row, col, offset; + char *srcBuf; + char *destBuf; + int rows = imageMemXfer->Rows; + int cols = imageMemXfer->Columns; + pClientDataStruct theClientData = (pClientDataStruct) clientData; + + /* Allocate a buffer as necessary */ + destBuf = gegl_scratch_new (char, rows * cols); + + /* Unpack the image data from bits into bytes */ + srcBuf = (char *) imageMemXfer->Memory.TheMem; + offset = 0; + for (row = 0; row < rows; row++) + { + for (col = 0; col < cols; col++) + { + char byte = srcBuf[(row * imageMemXfer->BytesPerRow) + (col / 8)]; + destBuf[offset++] = ((byte & bitMasks[col % 8]) != 0) ? 255 : 0; + } + } + + /* Update the complete chunk */ + gegl_buffer_set (theClientData->buffer, + GEGL_RECTANGLE (imageMemXfer->XOffset, imageMemXfer->YOffset, + cols, rows), 0, + theClientData->format, destBuf, + GEGL_AUTO_ROWSTRIDE); + + /* Free the buffer */ + gegl_scratch_free (destBuf); + + /* Update the user on our progress */ + theClientData->completedPixels += (cols * rows); + gimp_progress_update ((double) theClientData->completedPixels / + (double) theClientData->totalPixels); + + return TRUE; +} + +/* + * directTransferCallback + * + * The following function is called for each memory + * block that is transferred from the data source if + * the image type is Grayscale or RGB. + */ +static int +directTransferCallback (pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData) +{ + int rows = imageMemXfer->Rows; + int cols = imageMemXfer->Columns; + pClientDataStruct theClientData = (pClientDataStruct) clientData; + + /* Update the complete chunk */ + gegl_buffer_set (theClientData->buffer, + GEGL_RECTANGLE (imageMemXfer->XOffset, imageMemXfer->YOffset, + cols, rows), 0, + theClientData->format, imageMemXfer->Memory.TheMem, + imageMemXfer->BytesPerRow); + + /* Update the user on our progress */ + theClientData->completedPixels += (cols * rows); + gimp_progress_update ((double) theClientData->completedPixels / + (double) theClientData->totalPixels); + + return TRUE; +} + +/* + * palettedTransferCallback + * + * The following function is called for each memory + * block that is transferred from the data source if + * the image type is paletted. This does not create + * an indexed image type in GIMP because for some + * reason it does not allow creation of a specific + * palette. This function will create an RGB or Gray + * image and use the palette to set the details of + * the pixels. + */ +static int +palettedTransferCallback (pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData) +{ + int channelsPerEntry; + int row, col; + int rows = imageMemXfer->Rows; + int cols = imageMemXfer->Columns; + char *destBuf; + char *destPtr = NULL; + char *srcPtr = NULL; + + /* Get the client data */ + pClientDataStruct theClientData = (pClientDataStruct) clientData; + + /* Look up the palette entry size */ + channelsPerEntry = + (theClientData->paletteData->PaletteType == TWPA_RGB) ? 3 : 1; + + /* Allocate a buffer as necessary */ + destBuf = gegl_scratch_new (char, rows * cols * channelsPerEntry); + + /* Work through the rows */ + destPtr = destBuf; + for (row = 0; row < rows; row++) + { + srcPtr = (char *) ((char *) imageMemXfer->Memory.TheMem + + (row * imageMemXfer->BytesPerRow)); + + /* Work through the columns */ + for (col = 0; col < cols; col++) + { + /* Get the palette index */ + int index = (unsigned char) *srcPtr; + + srcPtr++; + + switch (theClientData->paletteData->PaletteType) + { + case TWPA_GRAY: + *destPtr = theClientData->paletteData->Colors[index].Channel1; + destPtr++; + break; + + case TWPA_RGB: + *destPtr = theClientData->paletteData->Colors[index].Channel1; + destPtr++; + *destPtr = theClientData->paletteData->Colors[index].Channel2; + destPtr++; + *destPtr = theClientData->paletteData->Colors[index].Channel3; + destPtr++; + } + } + } + + /* Send the complete chunk */ + gegl_buffer_set (theClientData->buffer, + GEGL_RECTANGLE (imageMemXfer->XOffset, imageMemXfer->YOffset, + cols, rows), 0, + theClientData->format, destBuf, + GEGL_AUTO_ROWSTRIDE); + + /* Free the buffer */ + gegl_scratch_free (destBuf); + + /* Update the user on our progress */ + theClientData->completedPixels += (cols * rows); + gimp_progress_update ((double) theClientData->completedPixels / + (double) theClientData->totalPixels); + + return TRUE; +} + +/* + * dataTransferCallback + * + * The following function is called for each memory + * block that is transferred from the data source. + */ +int +dataTransferCallback (pTW_IMAGEINFO imageInfo, + pTW_IMAGEMEMXFER imageMemXfer, + void *clientData) +{ +#ifdef _DEBUG + logData (imageInfo, imageMemXfer, clientData); +#endif + + /* Choose the appropriate transfer handler */ + switch (imageInfo->PixelType) + { + case TWPT_PALETTE: + return palettedTransferCallback (imageInfo, imageMemXfer, clientData); + + case TWPT_BW: + return bitTransferCallback (imageInfo, imageMemXfer, clientData); + + case TWPT_GRAY: + case TWPT_RGB: + return directTransferCallback (imageInfo, imageMemXfer, clientData); + + default: + return FALSE; + } +} + +/* + * endTransferCallback + * + * The following function is called at the end of the + * image transfer. The caller will be handed + * the image transfer completion state. The + * following values (defined in twain.h) are + * possible: + * + * TWRC_XFERDONE + * The transfer completed successfully + * TWRC_CANCEL + * The transfer was completed by the user + * TWRC_FAILURE + * The transfer failed. + */ +int +endTransferCallback (int completionState, + int pendingCount, + void *clientData) +{ + pClientDataStruct theClientData = (pClientDataStruct) clientData; + + LogMessage ("endTransferCallback: CompState = %d, pending = %d\n", + completionState, pendingCount); + + /* Clean up and detach from the drawable */ + g_object_unref (theClientData->buffer); + + /* Make sure to check our return code */ + if (completionState == TWRC_XFERDONE) + { + /* We have a completed image transfer */ + values[2].type = GIMP_PDB_INT32ARRAY; + values[2].data.d_int32array[values[1].data.d_int32++] = + theClientData->image_id; + + /* Display the image */ + LogMessage ("Displaying image %d\n", theClientData->image_id); + gimp_display_new (theClientData->image_id); + } + else + { + /* The transfer did not complete successfully */ + LogMessage ("Deleting image\n"); + gimp_image_delete (theClientData->image_id); + } + + /* Shut down if we have received all of the possible images */ + return (values[1].data.d_int32 < MAX_IMAGES); +} + +/* + * postTransferCallback + * + * This callback function will be called + * after all possible images have been + * transferred. + */ +void +postTransferCallback (int pendingCount, + void *clientData) +{ + /* Shut things down. */ + if (pendingCount != 0) + cancelPendingTransfers(twSession); + + /* This will close the datasource and datasource + * manager. Then the message queue will be shut + * down and the run() procedure will finally be + * able to finish. + */ + disableDS (twSession); + closeDS (twSession); + closeDSM (twSession); + + /* Post a message to close up the application */ + twainQuitApplication (); +} diff --git a/plug-ins/twain/twain.h b/plug-ins/twain/twain.h new file mode 100644 index 0000000..af00295 --- /dev/null +++ b/plug-ins/twain/twain.h @@ -0,0 +1,1819 @@ +/* ======================================================================== *\ + + Copyright (C) 1991, 1992 TWAIN Working Group: Aldus, Caere, Eastman-Kodak, + Hewlett-Packard and Logitech Corporations. All rights reserved. + + Copyright (C) 1997 TWAIN Working Group: Bell+Howell, Canon, DocuMagix, + Fujitsu, Genoa Technology, Hewlett-Packard, Kofax Imaging Products, and + Ricoh Corporation. All rights reserved. + + Copyright © 1998 TWAIN Working Group: Adobe Systems Incorporated, + Canon Information Systems, Eastman Kodak Company, + Fujitsu Computer Products of America, Genoa Technology, + Hewlett-Packard Company, Intel Corporation, Kofax Image Products, + JFL Peripheral Solutions Inc., Ricoh Corporation, and Xerox Corporation. + All rights reserved. + + TWAIN.h - This is the definitive include file for applications and + data sources written to the TWAIN specification. + It defines constants, data structures, messages etc. + for the public interface to TWAIN. + + Revision History: + version 1.0, March 6, 1992. TWAIN 1.0. + version 1.1, January 1993. Tech Notes 1.1 + version 1.5, June 1993. Specification Update 1.5 + Change DC to TW + Change filename from DC.H to TWAIN.H + version 1.5, July 1993. Remove spaces from country identifiers + + version 1.7, July 1997 Added Capabilities and data structure for + document imaging and digital cameras. + KHL. + version 1.7, July 1997 Inserted Borland compatibile structure packing + directives provided by Mentor. JMH + version 1.7, Aug 1997 Expanded file tabs to spaces. + NOTE: future authors should be sure to have + their editors set to automatically expand tabs + to spaces (original tab setting was 4 spaces). + version 1.7, Sept 1997 Added job control values + Added return codes + version 1.7, Sept 1997 changed definition of pRGBRESPONSE to + pTW_RGBRESPONSE + version 1.7 Aug 1998 Added missing TWEI_BARCODEROTATION values + TWBCOR_ types JMH + version 1.8 August 1998 Added new types and definitions required + for 1.8 Specification JMH +\* ======================================================================== */ + +#ifndef TWAIN +#define TWAIN + +/* SDH - 02/08/95 - TWUNK */ +/* Force 32-bit twain to use same packing of twain structures as existing */ +/* 16-bit twain. This allows 16/32-bit thunking. */ +#ifdef WIN32 + #ifdef __BORLANDC__ /* (Mentor June 13, 1996) if using a Borland compiler */ + #pragma option -a2 /*(Mentor June 13, 1996) switch to word alignment*/ + #else /*(Mentor June 13, 1996) if we're using some other compiler*/ + #pragma pack (push, before_twain) + #pragma pack (2) + #endif /*(Mentor June 13, 1996)*/ +#else /* WIN32 */ +#endif /* WIN32 */ + +/**************************************************************************** + * TWAIN Version * + ****************************************************************************/ +#define TWON_PROTOCOLMINOR 8 /* Changed for Version 1.8 */ +#define TWON_PROTOCOLMAJOR 1 + +/**************************************************************************** + * Platform Dependent Definitions and Typedefs * + ****************************************************************************/ + +/* Define one of the following, depending on the platform */ +/* #define _MAC_ */ +/* #define _UNIX_ */ +#define _MSWIN_ + +#ifdef _MSWIN_ + typedef HANDLE TW_HANDLE; + typedef LPVOID TW_MEMREF; + + /* SDH - 05/05/95 - TWUNK */ + /* For common code between 16 and 32 bits. */ + #ifdef WIN32 + #define TW_HUGE + #else /* WIN32 */ + #define TW_HUGE huge + #endif /* WIN32 */ + typedef BYTE TW_HUGE * HPBYTE; + typedef void TW_HUGE * HPVOID; +#endif /* _MSWIN_ */ + +#ifdef _MAC_ + #define PASCAL pascal + #define FAR + typedef Handle TW_HANDLE; + typedef char *TW_MEMREF; +#endif /* _MAC_ */ + +#ifdef _UNIX_ + #define PASCAL pascal + typedef unsigned char *TW_HANDLE; + typedef unsigned char *TW_MEMREF; +#endif /* _UNIX_ */ + +/**************************************************************************** + * Type Definitions * + ****************************************************************************/ + +/* String types. These include room for the strings and a NULL char, * + * or, on the Mac, a length byte followed by the string. * + * TW_STR255 must hold less than 256 chars so length fits in first byte. */ +typedef char TW_STR32[34], FAR *pTW_STR32; +typedef char TW_STR64[66], FAR *pTW_STR64; +typedef char TW_STR128[130], FAR *pTW_STR128; +typedef char TW_STR255[256], FAR *pTW_STR255; + +/* Numeric types. */ +typedef char TW_INT8, FAR *pTW_INT8; +typedef short TW_INT16, FAR *pTW_INT16; +typedef long TW_INT32, FAR *pTW_INT32; +typedef unsigned char TW_UINT8, FAR *pTW_UINT8; +typedef unsigned short TW_UINT16, FAR *pTW_UINT16; +typedef unsigned long TW_UINT32, FAR *pTW_UINT32; +typedef unsigned short TW_BOOL, FAR *pTW_BOOL; + +/* Fixed point structure type. */ +typedef struct { + TW_INT16 Whole; /* maintains the sign */ + TW_UINT16 Frac; +} TW_FIX32, FAR *pTW_FIX32; + +/**************************************************************************** + * Structure Definitions * + ****************************************************************************/ + +/* No DAT needed. */ +typedef struct { + TW_FIX32 X; + TW_FIX32 Y; + TW_FIX32 Z; +} TW_CIEPOINT, FAR * pTW_CIEPOINT; + +/* No DAT needed. */ +typedef struct { + TW_FIX32 StartIn; + TW_FIX32 BreakIn; + TW_FIX32 EndIn; + TW_FIX32 StartOut; + TW_FIX32 BreakOut; + TW_FIX32 EndOut; + TW_FIX32 Gamma; + TW_FIX32 SampleCount; /* if =0 use the gamma */ +} TW_DECODEFUNCTION, FAR * pTW_DECODEFUNCTION; + +/* No DAT needed. */ +typedef struct { + TW_UINT8 Index; /* Value used to index into the color table. */ + TW_UINT8 Channel1; /* First tri-stimulus value (e.g Red) */ + TW_UINT8 Channel2; /* Second tri-stimulus value (e.g Green) */ + TW_UINT8 Channel3; /* Third tri-stimulus value (e.g Blue) */ +} TW_ELEMENT8, FAR * pTW_ELEMENT8; + +/* No DAT. Defines a frame rectangle in ICAP_UNITS coordinates. */ +typedef struct { + TW_FIX32 Left; + TW_FIX32 Top; + TW_FIX32 Right; + TW_FIX32 Bottom; +} TW_FRAME, FAR * pTW_FRAME; + +/* No DAT needed. Used to manage memory buffers. */ +typedef struct { + TW_UINT32 Flags; /* Any combination of the TWMF_ constants. */ + TW_UINT32 Length; /* Number of bytes stored in buffer TheMem. */ + TW_MEMREF TheMem; /* Pointer or handle to the allocated memory buffer. */ +} TW_MEMORY, FAR * pTW_MEMORY; + +/* No DAT needed. */ +typedef struct { + TW_DECODEFUNCTION Decode[3]; + TW_FIX32 Mix[3][3]; +} TW_TRANSFORMSTAGE, FAR * pTW_TRANSFORMSTAGE; + +/* No DAT needed. Describes version of software currently running. */ +typedef struct { + TW_UINT16 MajorNum; /* Major revision number of the software. */ + TW_UINT16 MinorNum; /* Incremental revision number of the software. */ + TW_UINT16 Language; /* e.g. TWLG_SWISSFRENCH */ + TW_UINT16 Country; /* e.g. TWCY_SWITZERLAND */ + TW_STR32 Info; /* e.g. "1.0b3 Beta release" */ +} TW_VERSION, FAR * pTW_VERSION; + +/* TWON_ARRAY. Container for array of values (a simplified TW_ENUMERATION) */ +typedef struct { + TW_UINT16 ItemType; + TW_UINT32 NumItems; /* How many items in ItemList */ + TW_UINT8 ItemList[1]; /* Array of ItemType values starts here */ +} TW_ARRAY, FAR * pTW_ARRAY; + +/* TWON_ENUMERATION. Container for a collection of values. */ +typedef struct { + TW_UINT16 ItemType; + TW_UINT32 NumItems; /* How many items in ItemList */ + TW_UINT32 CurrentIndex; /* Current value is in ItemList[CurrentIndex] */ + TW_UINT32 DefaultIndex; /* Powerup value is in ItemList[DefaultIndex] */ + TW_UINT8 ItemList[1]; /* Array of ItemType values starts here */ +} TW_ENUMERATION, FAR * pTW_ENUMERATION; + +/* TWON_ONEVALUE. Container for one value. */ +typedef struct { + TW_UINT16 ItemType; + TW_UINT32 Item; +} TW_ONEVALUE, FAR * pTW_ONEVALUE; + +/* TWON_RANGE. Container for a range of values. */ +typedef struct { + TW_UINT16 ItemType; + TW_UINT32 MinValue; /* Starting value in the range. */ + TW_UINT32 MaxValue; /* Final value in the range. */ + TW_UINT32 StepSize; /* Increment from MinValue to MaxValue. */ + TW_UINT32 DefaultValue; /* Power-up value. */ + TW_UINT32 CurrentValue; /* The value that is currently in effect. */ +} TW_RANGE, FAR * pTW_RANGE; + +/* DAT_CAPABILITY. Used by application to get/set capability from/in a data source. */ +typedef struct { + TW_UINT16 Cap; /* id of capability to set or get, e.g. CAP_BRIGHTNESS */ + TW_UINT16 ConType; /* TWON_ONEVALUE, _RANGE, _ENUMERATION or _ARRAY */ + TW_HANDLE hContainer; /* Handle to container of type Dat */ +} TW_CAPABILITY, FAR * pTW_CAPABILITY; + +/* DAT_CIECOLOR. */ +typedef struct { + TW_UINT16 ColorSpace; + TW_INT16 LowEndian; + TW_INT16 DeviceDependent; + TW_INT32 VersionNumber; + TW_TRANSFORMSTAGE StageABC; + TW_TRANSFORMSTAGE StageLMN; + TW_CIEPOINT WhitePoint; + TW_CIEPOINT BlackPoint; + TW_CIEPOINT WhitePaper; + TW_CIEPOINT BlackInk; + TW_FIX32 Samples[1]; +} TW_CIECOLOR, FAR * pTW_CIECOLOR; + +/* DAT_EVENT. For passing events down from the application to the DS. */ +typedef struct { + TW_MEMREF pEvent; /* Windows pMSG or Mac pEvent. */ + TW_UINT16 TWMessage; /* TW msg from data source, e.g. MSG_XFERREADY */ +} TW_EVENT, FAR * pTW_EVENT; + +/* DAT_GRAYRESPONSE */ +typedef struct { + TW_ELEMENT8 Response[1]; +} TW_GRAYRESPONSE, FAR * pTW_GRAYRESPONSE; + +/* DAT_IDENTITY. Identifies the program/library/code resource. */ +typedef struct { + TW_UINT32 Id; /* Unique number. In Windows, application hWnd */ + TW_VERSION Version; /* Identifies the piece of code */ + TW_UINT16 ProtocolMajor; /* Application and DS must set to TWON_PROTOCOLMAJOR */ + TW_UINT16 ProtocolMinor; /* Application and DS must set to TWON_PROTOCOLMINOR */ + TW_UINT32 SupportedGroups; /* Bit field OR combination of DG_ constants */ + TW_STR32 Manufacturer; /* Manufacturer name, e.g. "Hewlett-Packard" */ + TW_STR32 ProductFamily; /* Product family name, e.g. "ScanJet" */ + TW_STR32 ProductName; /* Product name, e.g. "ScanJet Plus" */ +} TW_IDENTITY, FAR * pTW_IDENTITY; + +/* DAT_IMAGEINFO. Application gets detailed image info from DS with this. */ +typedef struct { + TW_FIX32 XResolution; /* Resolution in the horizontal */ + TW_FIX32 YResolution; /* Resolution in the vertical */ + TW_INT32 ImageWidth; /* Columns in the image, -1 if unknown by DS*/ + TW_INT32 ImageLength; /* Rows in the image, -1 if unknown by DS */ + TW_INT16 SamplesPerPixel; /* Number of samples per pixel, 3 for RGB */ + TW_INT16 BitsPerSample[8]; /* Number of bits for each sample */ + TW_INT16 BitsPerPixel; /* Number of bits for each padded pixel */ + TW_BOOL Planar; /* True if Planar, False if chunky */ + TW_INT16 PixelType; /* How to interp data; photo interp (TWPT_) */ + TW_UINT16 Compression; /* How the data is compressed (TWCP_xxxx) */ +} TW_IMAGEINFO, FAR * pTW_IMAGEINFO; + +/* DAT_IMAGELAYOUT. Provides image layout information in current units. */ +typedef struct { + TW_FRAME Frame; /* Frame coords within larger document */ + TW_UINT32 DocumentNumber; + TW_UINT32 PageNumber; /* Reset when you go to next document */ + TW_UINT32 FrameNumber; /* Reset when you go to next page */ +} TW_IMAGELAYOUT, FAR * pTW_IMAGELAYOUT; + +/* DAT_IMAGEMEMXFER. Used to pass image data (e.g. in strips) from DS to application.*/ +typedef struct { + TW_UINT16 Compression; /* How the data is compressed */ + TW_UINT32 BytesPerRow; /* Number of bytes in a row of data */ + TW_UINT32 Columns; /* How many columns */ + TW_UINT32 Rows; /* How many rows */ + TW_UINT32 XOffset; /* How far from the side of the image */ + TW_UINT32 YOffset; /* How far from the top of the image */ + TW_UINT32 BytesWritten; /* How many bytes written in Memory */ + TW_MEMORY Memory; /* Mem struct used to pass actual image data */ +} TW_IMAGEMEMXFER, FAR * pTW_IMAGEMEMXFER; + +/* Changed in 1.1: QuantTable, HuffmanDC, HuffmanAC TW_MEMREF -> TW_MEMORY */ +/* DAT_JPEGCOMPRESSION. Based on JPEG Draft International Std, ver 10918-1. */ +typedef struct { + TW_UINT16 ColorSpace; /* One of the TWPT_xxxx values */ + TW_UINT32 SubSampling; /* Two word "array" for subsampling values */ + TW_UINT16 NumComponents; /* Number of color components in image */ + TW_UINT16 RestartFrequency; /* Frequency of restart marker codes in MDU's */ + TW_UINT16 QuantMap[4]; /* Mapping of components to QuantTables */ + TW_MEMORY QuantTable[4]; /* Quantization tables */ + TW_UINT16 HuffmanMap[4]; /* Mapping of components to Huffman tables */ + TW_MEMORY HuffmanDC[2]; /* DC Huffman tables */ + TW_MEMORY HuffmanAC[2]; /* AC Huffman tables */ +} TW_JPEGCOMPRESSION, FAR * pTW_JPEGCOMPRESSION; + +/* DAT_PALETTE8. Color palette when TWPT_PALETTE pixels xfer'd in mem buf. */ +typedef struct { + TW_UINT16 NumColors; /* Number of colors in the color table. */ + TW_UINT16 PaletteType; /* TWPA_xxxx, specifies type of palette. */ + TW_ELEMENT8 Colors[256]; /* Array of palette values starts here. */ +} TW_PALETTE8, FAR * pTW_PALETTE8; + +/* DAT_PENDINGXFERS. Used with MSG_ENDXFER to indicate additional data. */ +typedef struct { + TW_UINT16 Count; + union { + TW_UINT32 EOJ; + TW_UINT32 Reserved; + }; +} TW_PENDINGXFERS, FAR *pTW_PENDINGXFERS; + +/* DAT_RGBRESPONSE */ +typedef struct { + TW_ELEMENT8 Response[1]; +} TW_RGBRESPONSE, FAR * pTW_RGBRESPONSE; + +/* DAT_SETUPFILEXFER. Sets up DS to application data transfer via a file. */ +typedef struct { + TW_STR255 FileName; + TW_UINT16 Format; /* Any TWFF_ constant */ + TW_INT16 VRefNum; /* Used for Mac only */ +} TW_SETUPFILEXFER, FAR * pTW_SETUPFILEXFER; + +/* DAT_SETUPMEMXFER. Sets up DS to application data transfer via a memory buffer. */ +typedef struct { + TW_UINT32 MinBufSize; + TW_UINT32 MaxBufSize; + TW_UINT32 Preferred; +} TW_SETUPMEMXFER, FAR * pTW_SETUPMEMXFER; + +/* DAT_STATUS. Application gets detailed status info from a data source with this. */ +typedef struct { + TW_UINT16 ConditionCode; /* Any TWCC_ constant */ + TW_UINT16 Reserved; /* Future expansion space */ +} TW_STATUS, FAR * pTW_STATUS; + +/* DAT_USERINTERFACE. Coordinates UI between application and data source. */ +typedef struct { + TW_BOOL ShowUI; /* TRUE if DS should bring up its UI */ + TW_BOOL ModalUI; /* For Mac only - true if the DS's UI is modal */ + TW_HANDLE hParent; /* For windows only - Application window handle */ +} TW_USERINTERFACE, FAR * pTW_USERINTERFACE; + +/* SDH - 03/21/95 - TWUNK */ +/* DAT_TWUNKIDENTITY. Provides DS identity and 'other' information necessary */ +/* across thunk link. */ +typedef struct { + TW_IDENTITY identity; /* Identity of data source. */ + TW_STR255 dsPath; /* Full path and file name of data source. */ +} TW_TWUNKIDENTITY, FAR * pTW_TWUNKIDENTITY; + +/* SDH - 03/21/95 - TWUNK */ +/* Provides DS_Entry parameters over thunk link. */ +typedef struct +{ + TW_INT8 destFlag; /* TRUE if dest is not NULL */ + TW_IDENTITY dest; /* Identity of data source (if used) */ + TW_INT32 dataGroup; /* DSM_Entry dataGroup parameter */ + TW_INT16 dataArgType; /* DSM_Entry dataArgType parameter */ + TW_INT16 message; /* DSM_Entry message parameter */ + TW_INT32 pDataSize; /* Size of pData (0 if NULL) */ + /* TW_MEMREF pData; Based on implementation specifics, a */ + /* pData parameter makes no sense in this */ + /* structure, but data (if provided) will be*/ + /* appended in the data block. */ + } TW_TWUNKDSENTRYPARAMS, FAR * pTW_TWUNKDSENTRYPARAMS; + +/* SDH - 03/21/95 - TWUNK */ +/* Provides DS_Entry results over thunk link. */ +typedef struct +{ + TW_UINT16 returnCode; /* Thunker DsEntry return code. */ + TW_UINT16 conditionCode; /* Thunker DsEntry condition code. */ + TW_INT32 pDataSize; /* Size of pData (0 if NULL) */ + /* TW_MEMREF pData; Based on implementation specifics, a */ + /* pData parameter makes no sense in this */ + /* structure, but data (if provided) will be*/ + /* appended in the data block. */ +} TW_TWUNKDSENTRYRETURN, FAR * pTW_TWUNKDSENTRYRETURN; + +/* WJD - 950818 */ +/* Added for 1.6 Specification */ +/* TWAIN 1.6 CAP_SUPPORTEDCAPSEXT structure */ +typedef struct +{ + TW_UINT16 Cap; /* Which CAP/ICAP info is relevant to */ + TW_UINT16 Properties; /* Messages this CAP/ICAP supports */ +} TW_CAPEXT, FAR * pTW_CAPEXT; + +/* ----------------------------------------------------------------------- *\ + + Version 1.7: Added Following data structure for Document Imaging + July 1997 Enhancement. + KHL TW_CUSTOMDSDATA -- For Saving and Restoring Source's + state. + TW_INFO -- Each attribute for extended image + information. + TW_EXTIMAGEINFO -- Extended image information structure. + +\* ----------------------------------------------------------------------- */ + +typedef struct { + TW_UINT32 InfoLength; /* Length of Information in bytes. */ + TW_HANDLE hData; /* Place holder for data, DS Allocates */ +}TW_CUSTOMDSDATA, FAR *pTW_CUSTOMDSDATA; + +typedef struct { + TW_UINT16 InfoID; + TW_UINT16 ItemType; + TW_UINT16 NumItems; + TW_UINT16 CondCode; + TW_UINT32 Item; +}TW_INFO, FAR* pTW_INFO; + +typedef struct { + TW_UINT32 NumInfos; + TW_INFO Info[1]; +}TW_EXTIMAGEINFO, FAR* pTW_EXTIMAGEINFO; + +/* Added 1.8 */ + +/* DAT_AUDIOINFO, information about audio data */ +typedef struct { + TW_STR255 Name; /* name of audio data */ + TW_UINT32 Reserved; /* reserved space */ +} TW_AUDIOINFO, FAR * pTW_AUDIOINFO; + +/* DAT_DEVICEEVENT, information about events */ +typedef struct { + TW_UINT32 Event; /* One of the TWDE_xxxx values. */ + TW_STR255 DeviceName; /* The name of the device that generated the event */ + TW_UINT32 BatteryMinutes; /* Battery Minutes Remaining */ + TW_INT16 BatteryPercentage; /* Battery Percentage Remaining */ + TW_INT32 PowerSupply; /* Power Supply */ + TW_FIX32 XResolution; /* Resolution */ + TW_FIX32 YResolution; /* Resolution */ + TW_UINT32 FlashUsed2; /* Flash Used2 */ + TW_UINT32 AutomaticCapture; /* Automatic Capture */ + TW_UINT32 TimeBeforeFirstCapture; /* Automatic Capture */ + TW_UINT32 TimeBetweenCaptures; /* Automatic Capture */ +} TW_DEVICEEVENT, FAR * pTW_DEVICEEVENT; + +/* DAT_FILESYSTEM, information about TWAIN file system */ +typedef struct { + /* DG_CONTROL / DAT_FILESYSTEM / MSG_xxxx fields */ + TW_STR255 InputName; /* The name of the input or source file */ + TW_STR255 OutputName; /* The result of an operation or the name of a destination file */ + TW_MEMREF Context; /* Source specific data used to remember state information */ + /* DG_CONTROL / DAT_FILESYSTEM / MSG_DELETE field */ + int Recursive; /* recursively delete all sub-directories */ + /* DG_CONTROL / DAT_FILESYSTEM / MSG_GETINFO fields */ + TW_INT32 FileType; /* One of the TWFT_xxxx values */ + TW_UINT32 Size; /* Size of current FileType */ + TW_STR32 CreateTimeDate; /* creation date of the file */ + TW_STR32 ModifiedTimeDate; /* last date the file was modified */ + TW_UINT32 FreeSpace; /* bytes of free space on the current device */ + TW_INT32 NewImageSize; /* estimate of the amount of space a new image would take up */ + TW_UINT32 NumberOfFiles; /* number of files, depends on FileType */ + TW_UINT32 NumberOfSnippets; /**/ + char Reserved[512]; /**/ +} TW_FILESYSTEM, FAR * pTW_FILESYSTEM; + +/* DAT_PASSTHRU, device dependent data to pass through Data Source */ +typedef struct { + TW_MEMREF pCommand; /* Pointer to Command buffer */ + TW_UINT32 CommandBytes; /* Number of bytes in Command buffer */ + TW_INT32 Direction; /* One of the TWDR_xxxx values. Defines the direction of data flow */ + TW_MEMREF pData; /* Pointer to Data buffer */ + TW_UINT32 DataBytes; /* Number of bytes in Data buffer */ + TW_UINT32 DataBytesXfered; /* Number of bytes successfully transferred */ +} TW_PASSTHRU, FAR * pTW_PASSTHRU; + +/* DAT_SETUPAUDIOFILEXFER, information required to setup an audio file transfer */ +typedef struct { + TW_STR255 FileName; /* full path target file */ + TW_UINT16 Format; /* one of TWAF_xxxx */ + TW_INT16 VRefNum; +} TW_SETUPAUDIOFILEXFER, FAR * pTW_SETUPAUDIOFILEXFER; + +/**************************************************************************** + * Generic Constants * + ****************************************************************************/ + +#define TWON_ARRAY 3 /* indicates TW_ARRAY container */ +#define TWON_ENUMERATION 4 /* indicates TW_ENUMERATION container */ +#define TWON_ONEVALUE 5 /* indicates TW_ONEVALUE container */ +#define TWON_RANGE 6 /* indicates TW_RANGE container */ + +#define TWON_ICONID 962 /* res Id of icon used in USERSELECT lbox */ +#define TWON_DSMID 461 /* res Id of the DSM version num resource */ +#define TWON_DSMCODEID 63 /* res Id of the Mac SM Code resource */ + +#define TWON_DONTCARE8 0xff +#define TWON_DONTCARE16 0xffff +#define TWON_DONTCARE32 0xffffffff + +/* Flags used in TW_MEMORY structure. */ +#define TWMF_APPOWNS 0x1 +#define TWMF_DSMOWNS 0x2 +#define TWMF_DSOWNS 0x4 +#define TWMF_POINTER 0x8 +#define TWMF_HANDLE 0x10 + +/* Palette types for TW_PALETTE8 */ +#define TWPA_RGB 0 +#define TWPA_GRAY 1 +#define TWPA_CMY 2 + +/* There are four containers used for capabilities negotiation: + * TWON_ONEVALUE, TWON_RANGE, TWON_ENUMERATION, TWON_ARRAY + * In each container structure ItemType can be TWTY_INT8, TWTY_INT16, etc. + * The kind of data stored in the container can be determined by doing + * DCItemSize[ItemType] where the following is defined in TWAIN glue code: + * DCItemSize[]= { sizeof(TW_INT8), + * sizeof(TW_INT16), + * etc. + * sizeof(TW_UINT32) }; + * + */ + +#define TWTY_INT8 0x0000 /* Means Item is a TW_INT8 */ +#define TWTY_INT16 0x0001 /* Means Item is a TW_INT16 */ +#define TWTY_INT32 0x0002 /* Means Item is a TW_INT32 */ + +#define TWTY_UINT8 0x0003 /* Means Item is a TW_UINT8 */ +#define TWTY_UINT16 0x0004 /* Means Item is a TW_UINT16 */ +#define TWTY_UINT32 0x0005 /* Means Item is a TW_UINT32 */ + +#define TWTY_BOOL 0x0006 /* Means Item is a TW_BOOL */ + +#define TWTY_FIX32 0x0007 /* Means Item is a TW_FIX32 */ + +#define TWTY_FRAME 0x0008 /* Means Item is a TW_FRAME */ + +#define TWTY_STR32 0x0009 /* Means Item is a TW_STR32 */ +#define TWTY_STR64 0x000a /* Means Item is a TW_STR64 */ +#define TWTY_STR128 0x000b /* Means Item is a TW_STR128 */ +#define TWTY_STR255 0x000c /* Means Item is a TW_STR255 */ + +/**************************************************************************** + * Capability Constants * + ****************************************************************************/ + +/* ICAP_BITORDER values (BO_ means Bit Order) */ +#define TWBO_LSBFIRST 0 +#define TWBO_MSBFIRST 1 + +/* ICAP_COMPRESSION values (CP_ means ComPression ) */ +#define TWCP_NONE 0 +#define TWCP_PACKBITS 1 +#define TWCP_GROUP31D 2 /* Follows CCITT spec (no End Of Line) */ +#define TWCP_GROUP31DEOL 3 /* Follows CCITT spec (has End Of Line) */ +#define TWCP_GROUP32D 4 /* Follows CCITT spec (use cap for K Factor) */ +#define TWCP_GROUP4 5 /* Follows CCITT spec */ +#define TWCP_JPEG 6 /* Use capability for more info */ +#define TWCP_LZW 7 /* Must license from Unisys and IBM to use */ +#define TWCP_JBIG 8 /* For Bitonal images -- Added 1.7 KHL */ +/* Added 1.8 */ +#define TWCP_PNG 9 +#define TWCP_RLE4 10 +#define TWCP_RLE8 11 +#define TWCP_BITFIELDS 12 + + +/* ICAP_IMAGEFILEFORMAT values (FF_means File Format) */ +#define TWFF_TIFF 0 /* Tagged Image File Format */ +#define TWFF_PICT 1 /* Macintosh PICT */ +#define TWFF_BMP 2 /* Windows Bitmap */ +#define TWFF_XBM 3 /* X-Windows Bitmap */ +#define TWFF_JFIF 4 /* JPEG File Interchange Format */ +#define TWFF_FPX 5 /* Flash Pix */ +#define TWFF_TIFFMULTI 6 /* Multi-page tiff file */ +#define TWFF_PNG 7 +#define TWFF_SPIFF 8 +#define TWFF_EXIF 9 + + +/* ICAP_FILTER values (FT_ means Filter Type) */ +#define TWFT_RED 0 +#define TWFT_GREEN 1 +#define TWFT_BLUE 2 +#define TWFT_NONE 3 +#define TWFT_WHITE 4 +#define TWFT_CYAN 5 +#define TWFT_MAGENTA 6 +#define TWFT_YELLOW 7 +#define TWFT_BLACK 8 + +/* ICAP_LIGHTPATH values (LP_ means Light Path) */ +#define TWLP_REFLECTIVE 0 +#define TWLP_TRANSMISSIVE 1 + +/* ICAP_LIGHTSOURCE values (LS_ means Light Source) */ +#define TWLS_RED 0 +#define TWLS_GREEN 1 +#define TWLS_BLUE 2 +#define TWLS_NONE 3 +#define TWLS_WHITE 4 +#define TWLS_UV 5 +#define TWLS_IR 6 + +/* ICAP_ORIENTATION values (OR_ means ORientation) */ +#define TWOR_ROT0 0 +#define TWOR_ROT90 1 +#define TWOR_ROT180 2 +#define TWOR_ROT270 3 +#define TWOR_PORTRAIT TWOR_ROT0 +#define TWOR_LANDSCAPE TWOR_ROT270 + +/* ICAP_PLANARCHUNKY values (PC_ means Planar/Chunky ) */ +#define TWPC_CHUNKY 0 +#define TWPC_PLANAR 1 + +/* ICAP_PIXELFLAVOR values (PF_ means Pixel Flavor) */ +#define TWPF_CHOCOLATE 0 /* zero pixel represents darkest shade */ +#define TWPF_VANILLA 1 /* zero pixel represents lightest shade */ + +/* ICAP_PIXELTYPE values (PT_ means Pixel Type) */ +#define TWPT_BW 0 /* Black and White */ +#define TWPT_GRAY 1 +#define TWPT_RGB 2 +#define TWPT_PALETTE 3 +#define TWPT_CMY 4 +#define TWPT_CMYK 5 +#define TWPT_YUV 6 +#define TWPT_YUVK 7 +#define TWPT_CIEXYZ 8 + +/* ICAP_SUPPORTEDSIZES values (SS_ means Supported Sizes) */ +#define TWSS_NONE 0 +#define TWSS_A4LETTER 1 +#define TWSS_B5LETTER 2 +#define TWSS_USLETTER 3 +#define TWSS_USLEGAL 4 +/* Added 1.5 */ +#define TWSS_A5 5 +#define TWSS_B4 6 +#define TWSS_B6 7 +/*#define TWSS_B 8 */ +/* Added 1.7 */ +#define TWSS_USLEDGER 9 +#define TWSS_USEXECUTIVE 10 +#define TWSS_A3 11 +#define TWSS_B3 12 +#define TWSS_A6 13 +#define TWSS_C4 14 +#define TWSS_C5 15 +#define TWSS_C6 16 +/* Added 1.8 */ +#define TWSS_4A0 17 +#define TWSS_2A0 18 +#define TWSS_A0 19 +#define TWSS_A1 20 +#define TWSS_A2 21 +#define TWSS_A4 TWSS_A4LETTER +#define TWSS_A7 22 +#define TWSS_A8 23 +#define TWSS_A9 24 +#define TWSS_A10 25 +#define TWSS_ISOB0 26 +#define TWSS_ISOB1 27 +#define TWSS_ISOB2 28 +#define TWSS_ISOB3 TWSS_B3 +#define TWSS_ISOB4 TWSS_B4 +#define TWSS_ISOB5 29 +#define TWSS_ISOB6 TWSS_B6 +#define TWSS_ISOB7 30 +#define TWSS_ISOB8 31 +#define TWSS_ISOB9 32 +#define TWSS_ISOB10 33 +#define TWSS_JISB0 34 +#define TWSS_JISB1 35 +#define TWSS_JISB2 36 +#define TWSS_JISB3 37 +#define TWSS_JISB4 38 +#define TWSS_JISB5 TWSS_B5LETTER +#define TWSS_JISB6 39 +#define TWSS_JISB7 40 +#define TWSS_JISB8 41 +#define TWSS_JISB9 42 +#define TWSS_JISB10 43 +#define TWSS_C0 44 +#define TWSS_C1 45 +#define TWSS_C2 46 +#define TWSS_C3 47 +#define TWSS_C7 48 +#define TWSS_C8 49 +#define TWSS_C9 50 +#define TWSS_C10 51 +#define TWSS_USSTATEMENT 52 +#define TWSS_BUSINESSCARD 53 + +/* ICAP_XFERMECH values (SX_ means Setup XFer) */ +#define TWSX_NATIVE 0 +#define TWSX_FILE 1 +#define TWSX_MEMORY 2 + +/* ICAP_UNITS values (UN_ means UNits) */ +#define TWUN_INCHES 0 +#define TWUN_CENTIMETERS 1 +#define TWUN_PICAS 2 +#define TWUN_POINTS 3 +#define TWUN_TWIPS 4 +#define TWUN_PIXELS 5 + +/* Added 1.5 */ +/* ICAP_BITDEPTHREDUCTION values (BR_ means Bitdepth Reduction) */ +#define TWBR_THRESHOLD 0 +#define TWBR_HALFTONE 1 +#define TWBR_CUSTHALFTONE 2 +#define TWBR_DIFFUSION 3 + +/* Added 1.7 */ +/* ICAP_DUPLEX values */ +#define TWDX_NONE 0 +#define TWDX_1PASSDUPLEX 1 +#define TWDX_2PASSDUPLEX 2 + +/* Added 1.7 */ +/* TWEI_BARCODETYPE values */ +#define TWBT_3OF9 0 +#define TWBT_2OF5INTERLEAVED 1 +#define TWBT_2OF5NONINTERLEAVED 2 +#define TWBT_CODE93 3 +#define TWBT_CODE128 4 +#define TWBT_UCC128 5 +#define TWBT_CODABAR 6 +#define TWBT_UPCA 7 +#define TWBT_UPCE 8 +#define TWBT_EAN8 9 +#define TWBT_EAN13 10 +#define TWBT_POSTNET 11 +#define TWBT_PDF417 12 +/* Added 1.8 */ +#define TWBT_2OF5INDUSTRIAL 13 +#define TWBT_2OF5MATRIX 14 +#define TWBT_2OF5DATALOGIC 15 +#define TWBT_2OF5IATA 16 +#define TWBT_3OF9FULLASCII 17 +#define TWBT_CODABARWITHSTARTSTOP 18 + + +/* Added 1.7 */ +/* TWEI_DESKEWSTATUS values */ +#define TWDSK_SUCCESS 0 +#define TWDSK_REPORTONLY 1 +#define TWDSK_FAIL 2 +#define TWDSK_DISABLED 3 + +/* Added 1.7 */ +/* TWEI_PATCHCODE values */ +#define TWPCH_PATCH1 0 +#define TWPCH_PATCH2 1 +#define TWPCH_PATCH3 2 +#define TWPCH_PATCH4 3 +#define TWPCH_PATCH6 4 +#define TWPCH_PATCHT 5 + +/* Added 1.7 */ +/* CAP_JOBCONTROL values */ +#define TWJC_NONE 0 +#define TWJC_JSIC 1 +#define TWJC_JSIS 2 +#define TWJC_JSXC 3 +#define TWJC_JSXS 4 + +/* Added 1.7 */ +/* TWEI_BARCODEROTATION values (BCOR_ means barcode rotation) */ +#define TWBCOR_ROT0 0 +#define TWBCOR_ROT90 1 +#define TWBCOR_ROT180 2 +#define TWBCOR_ROT270 3 +#define TWBCOR_ROTX 4 + +/* Added 1.8 */ +/* ACAP_AUDIOFILEFORMAT values (AF_ means audio format) */ +#define TWAF_WAV 0 +#define TWAF_AIFF 1 +#define TWAF_AU 3 +#define TWAF_SND 4 + +/* CAP_ALARMS values (AL_ means alarms) */ +#define TWAL_ALARM 0 +#define TWAL_FEEDERERROR 1 +#define TWAL_FEEDERWARNING 2 +#define TWAL_BARCODE 3 +#define TWAL_DOUBLEFEED 4 +#define TWAL_JAM 5 +#define TWAL_PATCHCODE 6 +#define TWAL_POWER 7 +#define TWAL_SKEW 8 + +/* CAP_CLEARBUFFERS values (CB_ means clear buffers) */ +#define TWCB_AUTO 0 +#define TWCB_CLEAR 1 +#define TWCB_NOCLEAR 2 + +/* CAP_DEVICEEVENT values (DE_ means device event) */ +#define TWDE_CUSTOMEVENTS 0x8000 +#define TWDE_CHECKAUTOMATICCAPTURE 0 +#define TWDE_CHECKBATTERY 1 +#define TWDE_CHECKDEVICEONLINE 2 +#define TWDE_CHECKFLASH 3 +#define TWDE_CHECKPOWERSUPPLY 4 +#define TWDE_CHECKRESOLUTION 5 +#define TWDE_DEVICEADDED 6 +#define TWDE_DEVICEOFFLINE 7 +#define TWDE_DEVICEREADY 8 +#define TWDE_DEVICEREMOVED 9 +#define TWDE_IMAGECAPTURED 10 +#define TWDE_IMAGEDELETED 11 +#define TWDE_PAPERDOUBLEFEED 12 +#define TWDE_PAPERJAM 13 +#define TWDE_LAMPFAILURE 14 +#define TWDE_POWERSAVE 15 +#define TWDE_POWERSAVENOTIFY 16 + +/* CAP_FEEDERALIGNMENT values (FA_ means feeder alignment) */ +#define TWFA_NONE 0 +#define TWFA_LEFT 1 +#define TWFA_CENTER 2 +#define TWFA_RIGHT 3 + +/* CAP_FEEDERORDER values (FO_ means feeder order) */ +#define TWFO_FIRSTPAGEFIRST 0 +#define TWFO_LASTPAGEFIRST 1 + +/* CAP_FILESYSTEM values (FS_ means file system) */ +#define TWFS_FILESYSTEM 0 +#define TWFS_RECURSIVEDELETE 1 + +/* CAP_POWERSUPPLY values (PS_ means power supply) */ +#define TWPS_EXTERNAL 0 +#define TWPS_BATTERY 1 + +/* CAP_PRINTER values (PR_ means printer) */ +#define TWPR_IMPRINTERTOPBEFORE 0 +#define TWPR_IMPRINTERTOPAFTER 1 +#define TWPR_IMPRINTERBOTTOMBEFORE 2 +#define TWPR_IMPRINTERBOTTOMAFTER 3 +#define TWPR_ENDORSERTOPBEFORE 4 +#define TWPR_ENDORSERTOPAFTER 5 +#define TWPR_ENDORSERBOTTOMBEFORE 6 +#define TWPR_ENDORSERBOTTOMAFTER 7 + +/* CAP_PRINTERMODE values (PM_ means printer mode) */ +#define TWPM_SINGLESTRING 0 +#define TWPM_MULTISTRING 1 +#define TWPM_COMPOUNDSTRING 2 + +/* ICAP_BARCODESEARCHMODE values (SRCH_ means search) */ +#define SRCH_HORZ 0 +#define SRCH_VERT 1 +#define SRCH_HORZVERT 2 +#define SRCH_VERTHORZ 3 + +/* ICAP_FLASHUSED2 values (FL_ means flash) */ +#define TWFL_NONE 0 +#define TWFL_OFF 1 +#define TWFL_ON 2 +#define TWFL_AUTO 3 +#define TWFL_REDEYE 4 + +/* ICAP_FLIPROTATION values (FR_ means flip rotation) */ +#define TWFR_BOOK 0 +#define TWFR_FANFOLD 1 + +/* ICAP_IMAGEFILTER values (IF_ means image filter) */ +#define TWIF_NONE 0 +#define TWIF_AUTO 1 +#define TWIF_LOWPASS 2 +#define TWIF_BANDPASS 3 +#define TWIF_HIGHPASS 4 +#define TWIF_TEXT TWIF_BANDPASS +#define TWIF_FINELINE TWIF_HIGHPASS + +/* ICAP_NOISEFILTER values (NF_ means noise filter) */ +#define TWNF_NONE 0 +#define TWNF_AUTO 1 +#define TWNF_LONEPIXEL 2 +#define TWNF_MAJORITYRULE 3 + +/* ICAP_OVERSCAN values (OV_ means overscan) */ +#define TWOV_NONE 0 +#define TWOV_AUTO 1 +#define TWOV_TOPBOTTOM 2 +#define TWOV_LEFTRIGHT 3 +#define TWOV_ALL 4 + +/* TW_FILESYSTEM.FileType values (FT_ means file type) */ +#define TWFY_CAMERA 0 +#define TWFY_CAMERATOP 1 +#define TWFY_CAMERABOTTOM 2 +#define TWFY_CAMERAPREVIEW 3 +#define TWFY_DOMAIN 4 +#define TWFY_HOST 5 +#define TWFY_DIRECTORY 6 +#define TWFY_IMAGE 7 +#define TWFY_UNKNOWN 8 + +/**************************************************************************** + * Country Constants * + ****************************************************************************/ + +#define TWCY_AFGHANISTAN 1001 +#define TWCY_ALGERIA 213 +#define TWCY_AMERICANSAMOA 684 +#define TWCY_ANDORRA 033 +#define TWCY_ANGOLA 1002 +#define TWCY_ANGUILLA 8090 +#define TWCY_ANTIGUA 8091 +#define TWCY_ARGENTINA 54 +#define TWCY_ARUBA 297 +#define TWCY_ASCENSIONI 247 +#define TWCY_AUSTRALIA 61 +#define TWCY_AUSTRIA 43 +#define TWCY_BAHAMAS 8092 +#define TWCY_BAHRAIN 973 +#define TWCY_BANGLADESH 880 +#define TWCY_BARBADOS 8093 +#define TWCY_BELGIUM 32 +#define TWCY_BELIZE 501 +#define TWCY_BENIN 229 +#define TWCY_BERMUDA 8094 +#define TWCY_BHUTAN 1003 +#define TWCY_BOLIVIA 591 +#define TWCY_BOTSWANA 267 +#define TWCY_BRITAIN 6 +#define TWCY_BRITVIRGINIS 8095 +#define TWCY_BRAZIL 55 +#define TWCY_BRUNEI 673 +#define TWCY_BULGARIA 359 +#define TWCY_BURKINAFASO 1004 +#define TWCY_BURMA 1005 +#define TWCY_BURUNDI 1006 +#define TWCY_CAMAROON 237 +#define TWCY_CANADA 2 +#define TWCY_CAPEVERDEIS 238 +#define TWCY_CAYMANIS 8096 +#define TWCY_CENTRALAFREP 1007 +#define TWCY_CHAD 1008 +#define TWCY_CHILE 56 +#define TWCY_CHINA 86 +#define TWCY_CHRISTMASIS 1009 +#define TWCY_COCOSIS 1009 +#define TWCY_COLOMBIA 57 +#define TWCY_COMOROS 1010 +#define TWCY_CONGO 1011 +#define TWCY_COOKIS 1012 +#define TWCY_COSTARICA 506 +#define TWCY_CUBA 005 +#define TWCY_CYPRUS 357 +#define TWCY_CZECHOSLOVAKIA 42 +#define TWCY_DENMARK 45 +#define TWCY_DJIBOUTI 1013 +#define TWCY_DOMINICA 8097 +#define TWCY_DOMINCANREP 8098 +#define TWCY_EASTERIS 1014 +#define TWCY_ECUADOR 593 +#define TWCY_EGYPT 20 +#define TWCY_ELSALVADOR 503 +#define TWCY_EQGUINEA 1015 +#define TWCY_ETHIOPIA 251 +#define TWCY_FALKLANDIS 1016 +#define TWCY_FAEROEIS 298 +#define TWCY_FIJIISLANDS 679 +#define TWCY_FINLAND 358 +#define TWCY_FRANCE 33 +#define TWCY_FRANTILLES 596 +#define TWCY_FRGUIANA 594 +#define TWCY_FRPOLYNEISA 689 +#define TWCY_FUTANAIS 1043 +#define TWCY_GABON 241 +#define TWCY_GAMBIA 220 +#define TWCY_GERMANY 49 +#define TWCY_GHANA 233 +#define TWCY_GIBRALTER 350 +#define TWCY_GREECE 30 +#define TWCY_GREENLAND 299 +#define TWCY_GRENADA 8099 +#define TWCY_GRENEDINES 8015 +#define TWCY_GUADELOUPE 590 +#define TWCY_GUAM 671 +#define TWCY_GUANTANAMOBAY 5399 +#define TWCY_GUATEMALA 502 +#define TWCY_GUINEA 224 +#define TWCY_GUINEABISSAU 1017 +#define TWCY_GUYANA 592 +#define TWCY_HAITI 509 +#define TWCY_HONDURAS 504 +#define TWCY_HONGKONG 852 +#define TWCY_HUNGARY 36 +#define TWCY_ICELAND 354 +#define TWCY_INDIA 91 +#define TWCY_INDONESIA 62 +#define TWCY_IRAN 98 +#define TWCY_IRAQ 964 +#define TWCY_IRELAND 353 +#define TWCY_ISRAEL 972 +#define TWCY_ITALY 39 +#define TWCY_IVORYCOAST 225 +#define TWCY_JAMAICA 8010 +#define TWCY_JAPAN 81 +#define TWCY_JORDAN 962 +#define TWCY_KENYA 254 +#define TWCY_KIRIBATI 1018 +#define TWCY_KOREA 82 +#define TWCY_KUWAIT 965 +#define TWCY_LAOS 1019 +#define TWCY_LEBANON 1020 +#define TWCY_LIBERIA 231 +#define TWCY_LIBYA 218 +#define TWCY_LIECHTENSTEIN 41 +#define TWCY_LUXENBOURG 352 +#define TWCY_MACAO 853 +#define TWCY_MADAGASCAR 1021 +#define TWCY_MALAWI 265 +#define TWCY_MALAYSIA 60 +#define TWCY_MALDIVES 960 +#define TWCY_MALI 1022 +#define TWCY_MALTA 356 +#define TWCY_MARSHALLIS 692 +#define TWCY_MAURITANIA 1023 +#define TWCY_MAURITIUS 230 +#define TWCY_MEXICO 3 +#define TWCY_MICRONESIA 691 +#define TWCY_MIQUELON 508 +#define TWCY_MONACO 33 +#define TWCY_MONGOLIA 1024 +#define TWCY_MONTSERRAT 8011 +#define TWCY_MOROCCO 212 +#define TWCY_MOZAMBIQUE 1025 +#define TWCY_NAMIBIA 264 +#define TWCY_NAURU 1026 +#define TWCY_NEPAL 977 +#define TWCY_NETHERLANDS 31 +#define TWCY_NETHANTILLES 599 +#define TWCY_NEVIS 8012 +#define TWCY_NEWCALEDONIA 687 +#define TWCY_NEWZEALAND 64 +#define TWCY_NICARAGUA 505 +#define TWCY_NIGER 227 +#define TWCY_NIGERIA 234 +#define TWCY_NIUE 1027 +#define TWCY_NORFOLKI 1028 +#define TWCY_NORWAY 47 +#define TWCY_OMAN 968 +#define TWCY_PAKISTAN 92 +#define TWCY_PALAU 1029 +#define TWCY_PANAMA 507 +#define TWCY_PARAGUAY 595 +#define TWCY_PERU 51 +#define TWCY_PHILLIPPINES 63 +#define TWCY_PITCAIRNIS 1030 +#define TWCY_PNEWGUINEA 675 +#define TWCY_POLAND 48 +#define TWCY_PORTUGAL 351 +#define TWCY_QATAR 974 +#define TWCY_REUNIONI 1031 +#define TWCY_ROMANIA 40 +#define TWCY_RWANDA 250 +#define TWCY_SAIPAN 670 +#define TWCY_SANMARINO 39 +#define TWCY_SAOTOME 1033 +#define TWCY_SAUDIARABIA 966 +#define TWCY_SENEGAL 221 +#define TWCY_SEYCHELLESIS 1034 +#define TWCY_SIERRALEONE 1035 +#define TWCY_SINGAPORE 65 +#define TWCY_SOLOMONIS 1036 +#define TWCY_SOMALI 1037 +#define TWCY_SOUTHAFRICA 27 +#define TWCY_SPAIN 34 +#define TWCY_SRILANKA 94 +#define TWCY_STHELENA 1032 +#define TWCY_STKITTS 8013 +#define TWCY_STLUCIA 8014 +#define TWCY_STPIERRE 508 +#define TWCY_STVINCENT 8015 +#define TWCY_SUDAN 1038 +#define TWCY_SURINAME 597 +#define TWCY_SWAZILAND 268 +#define TWCY_SWEDEN 46 +#define TWCY_SWITZERLAND 41 +#define TWCY_SYRIA 1039 +#define TWCY_TAIWAN 886 +#define TWCY_TANZANIA 255 +#define TWCY_THAILAND 66 +#define TWCY_TOBAGO 8016 +#define TWCY_TOGO 228 +#define TWCY_TONGAIS 676 +#define TWCY_TRINIDAD 8016 +#define TWCY_TUNISIA 216 +#define TWCY_TURKEY 90 +#define TWCY_TURKSCAICOS 8017 +#define TWCY_TUVALU 1040 +#define TWCY_UGANDA 256 +#define TWCY_USSR 7 +#define TWCY_UAEMIRATES 971 +#define TWCY_UNITEDKINGDOM 44 +#define TWCY_USA 1 +#define TWCY_URUGUAY 598 +#define TWCY_VANUATU 1041 +#define TWCY_VATICANCITY 39 +#define TWCY_VENEZUELA 58 +#define TWCY_WAKE 1042 +#define TWCY_WALLISIS 1043 +#define TWCY_WESTERNSAHARA 1044 +#define TWCY_WESTERNSAMOA 1045 +#define TWCY_YEMEN 1046 +#define TWCY_YUGOSLAVIA 38 +#define TWCY_ZAIRE 243 +#define TWCY_ZAMBIA 260 +#define TWCY_ZIMBABWE 263 + +/**************************************************************************** + * Language Constants * + ****************************************************************************/ + +#define TWLG_DAN 0 /* Danish */ +#define TWLG_DUT 1 /* Dutch */ +#define TWLG_ENG 2 /* International English */ +#define TWLG_FCF 3 /* French Canadian */ +#define TWLG_FIN 4 /* Finnish */ +#define TWLG_FRN 5 /* French */ +#define TWLG_GER 6 /* German */ +#define TWLG_ICE 7 /* Icelandic */ +#define TWLG_ITN 8 /* Italian */ +#define TWLG_NOR 9 /* Norwegian */ +#define TWLG_POR 10 /* Portuguese */ +#define TWLG_SPA 11 /* Spanish */ +#define TWLG_SWE 12 /* Swedish */ +#define TWLG_USA 13 /* U.S. English */ +/* Added for 1.8 */ +#define TWLG_USERLOCALE -1 +#define TWLG_AFRIKAANS 14 +#define TWLG_ALBANIA 15 +#define TWLG_ARABIC 16 +#define TWLG_ARABIC_ALGERIA 17 +#define TWLG_ARABIC_BAHRAIN 18 +#define TWLG_ARABIC_EGYPT 19 +#define TWLG_ARABIC_IRAQ 20 +#define TWLG_ARABIC_JORDAN 21 +#define TWLG_ARABIC_KUWAIT 22 +#define TWLG_ARABIC_LEBANON 23 +#define TWLG_ARABIC_LIBYA 24 +#define TWLG_ARABIC_MOROCCO 25 +#define TWLG_ARABIC_OMAN 26 +#define TWLG_ARABIC_QATAR 27 +#define TWLG_ARABIC_SAUDIARABIA 28 +#define TWLG_ARABIC_SYRIA 29 +#define TWLG_ARABIC_TUNISIA 30 +#define TWLG_ARABIC_UAE 31 /* United Arabic Emirates */ +#define TWLG_ARABIC_YEMEN 32 +#define TWLG_BASQUE 33 +#define TWLG_BYELORUSSIAN 34 +#define TWLG_BULGARIAN 35 +#define TWLG_CATALAN 36 +#define TWLG_CHINESE 37 +#define TWLG_CHINESE_HONGKONG 38 +#define TWLG_CHINESE_PRC 39 /* People's Republic of China */ +#define TWLG_CHINESE_SINGAPORE 40 +#define TWLG_CHINESE_SIMPLIFIED 41 +#define TWLG_CHINESE_TAIWAN 42 +#define TWLG_CHINESE_TRADITIONAL 43 +#define TWLG_CROATIA 44 +#define TWLG_CZECH 45 +#define TWLG_DANISH TWLG_DAN +#define TWLG_DUTCH TWLG_DUT +#define TWLG_DUTCH_BELGIAN 46 +#define TWLG_ENGLISH TWLG_ENG +#define TWLG_ENGLISH_AUSTRALIAN 47 +#define TWLG_ENGLISH_CANADIAN 48 +#define TWLG_ENGLISH_IRELAND 49 +#define TWLG_ENGLISH_NEWZEALAND 50 +#define TWLG_ENGLISH_SOUTHAFRICA 51 +#define TWLG_ENGLISH_UK 52 +#define TWLG_ENGLISH_USA TWLG_USA +#define TWLG_ESTONIAN 53 +#define TWLG_FAEROESE 54 +#define TWLG_FARSI 55 +#define TWLG_FINNISH TWLG_FIN +#define TWLG_FRENCH TWLG_FRN +#define TWLG_FRENCH_BELGIAN 56 +#define TWLG_FRENCH_CANADIAN TWLG_FCF +#define TWLG_FRENCH_LUXEMBOURG 57 +#define TWLG_FRENCH_SWISS 58 +#define TWLG_GERMAN TWLG_GER +#define TWLG_GERMAN_AUSTRIAN 59 +#define TWLG_GERMAN_LUXEMBOURG 60 +#define TWLG_GERMAN_LIECHTENSTEIN 61 +#define TWLG_GERMAN_SWISS 62 +#define TWLG_GREEK 63 +#define TWLG_HEBREW 64 +#define TWLG_HUNGARIAN 65 +#define TWLG_ICELANDIC TWLG_ICE +#define TWLG_INDONESIAN 66 +#define TWLG_ITALIAN TWLG_ITN +#define TWLG_ITALIAN_SWISS 67 +#define TWLG_JAPANESE 68 +#define TWLG_KOREAN 69 +#define TWLG_KOREAN_JOHAB 70 +#define TWLG_LATVIAN 71 +#define TWLG_LITHUANIAN 72 +#define TWLG_NORWEGIAN TWLG_NOR +#define TWLG_NORWEGIAN_BOKMAL 73 +#define TWLG_NORWEGIAN_NYNORSK 74 +#define TWLG_POLISH 75 +#define TWLG_PORTUGUESE TWLG_POR +#define TWLG_PORTUGUESE_BRAZIL 76 +#define TWLG_ROMANIAN 77 +#define TWLG_RUSSIAN 78 +#define TWLG_SERBIAN_LATIN 79 +#define TWLG_SLOVAK 80 +#define TWLG_SLOVENIAN 81 +#define TWLG_SPANISH TWLG_SPA +#define TWLG_SPANISH_MEXICAN 82 +#define TWLG_SPANISH_MODERN 83 +#define TWLG_SWEDISH TWLG_SWE +#define TWLG_THAI 84 +#define TWLG_TURKISH 85 +#define TWLG_UKRANIAN 86 + +/**************************************************************************** + * Data Groups * + ****************************************************************************/ + +/* More Data Groups may be added in the future. + * Possible candidates include text, vector graphics, sound, etc. + * NOTE: Data Group constants must be powers of 2 as they are used + * as bitflags when Application asks DSM to present a list of DSs. + */ + +#define DG_CONTROL 0x0001L /* data pertaining to control */ +#define DG_IMAGE 0x0002L /* data pertaining to raster images */ +/* Added 1.8 */ +#define DG_AUDIO 0x0004L /* data pertaining to audio */ + +/**************************************************************************** + * Data Argument Types * + ****************************************************************************/ + +/* SDH - 03/23/95 - WATCH */ +/* The thunker requires knowledge about size of data being passed in the */ +/* lpData parameter to DS_Entry (which is not readily available due to */ +/* type LPVOID. Thus, we key off the DAT_ argument to determine the size. */ +/* This has a couple implications: */ +/* 1) Any additional DAT_ features require modifications to the thunk code */ +/* for thunker support. */ +/* 2) Any applications which use the custom capabilities are not supported */ +/* under thunking since we have no way of knowing what size data (if */ +/* any) is being passed. */ + +#define DAT_NULL 0x0000 /* No data or structure. */ +#define DAT_CUSTOMBASE 0x8000 /* Base of custom DATs. */ + +/* Data Argument Types for the DG_CONTROL Data Group. */ +#define DAT_CAPABILITY 0x0001 /* TW_CAPABILITY */ +#define DAT_EVENT 0x0002 /* TW_EVENT */ +#define DAT_IDENTITY 0x0003 /* TW_IDENTITY */ +#define DAT_PARENT 0x0004 /* TW_HANDLE, application win handle in Windows */ +#define DAT_PENDINGXFERS 0x0005 /* TW_PENDINGXFERS */ +#define DAT_SETUPMEMXFER 0x0006 /* TW_SETUPMEMXFER */ +#define DAT_SETUPFILEXFER 0x0007 /* TW_SETUPFILEXFER */ +#define DAT_STATUS 0x0008 /* TW_STATUS */ +#define DAT_USERINTERFACE 0x0009 /* TW_USERINTERFACE */ +#define DAT_XFERGROUP 0x000a /* TW_UINT32 */ +/* SDH - 03/21/95 - TWUNK */ +/* Additional message required for thunker to request the special */ +/* identity information. */ +#define DAT_TWUNKIDENTITY 0x000b /* TW_TWUNKIDENTITY */ +#define DAT_CUSTOMDSDATA 0x000c /* TW_CUSTOMDSDATA. */ +/* Added 1.8 */ +#define DAT_DEVICEEVENT 0x000d /* TW_DEVICEEVENT */ +#define DAT_FILESYSTEM 0x000e /* TW_FILESYSTEM */ +#define DAT_PASSTHRU 0x000f /* TW_PASSTHRU */ + +/* Data Argument Types for the DG_IMAGE Data Group. */ +#define DAT_IMAGEINFO 0x0101 /* TW_IMAGEINFO */ +#define DAT_IMAGELAYOUT 0x0102 /* TW_IMAGELAYOUT */ +#define DAT_IMAGEMEMXFER 0x0103 /* TW_IMAGEMEMXFER */ +#define DAT_IMAGENATIVEXFER 0x0104 /* TW_UINT32 loword is hDIB, PICHandle */ +#define DAT_IMAGEFILEXFER 0x0105 /* Null data */ +#define DAT_CIECOLOR 0x0106 /* TW_CIECOLOR */ +#define DAT_GRAYRESPONSE 0x0107 /* TW_GRAYRESPONSE */ +#define DAT_RGBRESPONSE 0x0108 /* TW_RGBRESPONSE */ +#define DAT_JPEGCOMPRESSION 0x0109 /* TW_JPEGCOMPRESSION */ +#define DAT_PALETTE8 0x010a /* TW_PALETTE8 */ +#define DAT_EXTIMAGEINFO 0x010b /* TW_EXTIMAGEINFO -- for 1.7 Spec. */ + +/* Added 1.8 */ +/* Data Argument Types for the DG_AUDIO Data Group. */ +#define DAT_AUDIOFILEXFER 0x0201 /* Null data */ +#define DAT_AUDIOINFO 0x0202 /* TW_AUDIOINFO */ +#define DAT_AUDIONATIVEXFER 0x0203 /* TW_UINT32 handle to WAV, (AIFF Mac) */ + +/**************************************************************************** + * Messages * + ****************************************************************************/ + +/* All message constants are unique. + * Messages are grouped according to which DATs they are used with.*/ + +#define MSG_NULL 0x0000 /* Used in TW_EVENT structure */ +#define MSG_CUSTOMBASE 0x8000 /* Base of custom messages */ + +/* Generic messages may be used with any of several DATs. */ +#define MSG_GET 0x0001 /* Get one or more values */ +#define MSG_GETCURRENT 0x0002 /* Get current value */ +#define MSG_GETDEFAULT 0x0003 /* Get default (e.g. power up) value */ +#define MSG_GETFIRST 0x0004 /* Get first of a series of items, e.g. DSs */ +#define MSG_GETNEXT 0x0005 /* Iterate through a series of items. */ +#define MSG_SET 0x0006 /* Set one or more values */ +#define MSG_RESET 0x0007 /* Set current value to default value */ +#define MSG_QUERYSUPPORT 0x0008 /* Get supported operations on the cap. */ + +/* Messages used with DAT_NULL */ +#define MSG_XFERREADY 0x0101 /* The data source has data ready */ +#define MSG_CLOSEDSREQ 0x0102 /* Request for Application. to close DS */ +#define MSG_CLOSEDSOK 0x0103 /* Tell the Application. to save the state. */ +/* Added 1.8 */ +#define MSG_DEVICEEVENT 0X0104 /* Some event has taken place */ + +/* Messages used with a pointer to a DAT_STATUS structure */ +#define MSG_CHECKSTATUS 0x0201 /* Get status information */ + +/* Messages used with a pointer to DAT_PARENT data */ +#define MSG_OPENDSM 0x0301 /* Open the DSM */ +#define MSG_CLOSEDSM 0x0302 /* Close the DSM */ + +/* Messages used with a pointer to a DAT_IDENTITY structure */ +#define MSG_OPENDS 0x0401 /* Open a data source */ +#define MSG_CLOSEDS 0x0402 /* Close a data source */ +#define MSG_USERSELECT 0x0403 /* Put up a dialog of all DS */ + +/* Messages used with a pointer to a DAT_USERINTERFACE structure */ +#define MSG_DISABLEDS 0x0501 /* Disable data transfer in the DS */ +#define MSG_ENABLEDS 0x0502 /* Enable data transfer in the DS */ +#define MSG_ENABLEDSUIONLY 0x0503 /* Enable for saving DS state only. */ + +/* Messages used with a pointer to a DAT_EVENT structure */ +#define MSG_PROCESSEVENT 0x0601 + +/* Messages used with a pointer to a DAT_PENDINGXFERS structure */ +#define MSG_ENDXFER 0x0701 + +/* Added 1.8 */ +/* Messages used with a pointer to a DAT_FILESYSTEM structure */ +#define MSG_CHANGEDIRECTORY 0x0801 +#define MSG_CREATEDIRECTORY 0x0802 +#define MSG_DELETE 0x0803 +#define MSG_FORMATMEDIA 0x0804 +#define MSG_GETCLOSE 0x0805 +#define MSG_GETFIRSTFILE 0x0806 +#define MSG_GETINFO 0x0807 +#define MSG_GETNEXTFILE 0x0808 +#define MSG_RENAME 0x0809 + +/* Messages used with a pointer to a DAT_PASSTHRU structure */ +#define MSG_PASSTHRU 0x0901 + +/**************************************************************************** + * Capabilities * + ****************************************************************************/ + +#define CAP_CUSTOMBASE 0x8000 /* Base of custom capabilities */ + +/* all data sources are REQUIRED to support these caps */ +#define CAP_XFERCOUNT 0x0001 + +/* image data sources are REQUIRED to support these caps */ +#define ICAP_COMPRESSION 0x0100 +#define ICAP_PIXELTYPE 0x0101 +#define ICAP_UNITS 0x0102 /* default is TWUN_INCHES */ +#define ICAP_XFERMECH 0x0103 + +/* all data sources MAY support these caps */ +#define CAP_AUTHOR 0x1000 +#define CAP_CAPTION 0x1001 +#define CAP_FEEDERENABLED 0x1002 +#define CAP_FEEDERLOADED 0x1003 +#define CAP_TIMEDATE 0x1004 +#define CAP_SUPPORTEDCAPS 0x1005 +#define CAP_EXTENDEDCAPS 0x1006 +#define CAP_AUTOFEED 0x1007 +#define CAP_CLEARPAGE 0x1008 +#define CAP_FEEDPAGE 0x1009 +#define CAP_REWINDPAGE 0x100a +#define CAP_INDICATORS 0x100b /* Added 1.1 */ +#define CAP_SUPPORTEDCAPSEXT 0x100c /* Added 1.6 */ +#define CAP_PAPERDETECTABLE 0x100d /* Added 1.6 */ +#define CAP_UICONTROLLABLE 0x100e /* Added 1.6 */ +#define CAP_DEVICEONLINE 0x100f /* Added 1.6 */ +#define CAP_AUTOSCAN 0x1010 /* Added 1.6 */ +#define CAP_THUMBNAILSENABLED 0x1011 /* Added 1.7 */ +#define CAP_DUPLEX 0x1012 /* Added 1.7 */ +#define CAP_DUPLEXENABLED 0x1013 /* Added 1.7 */ +#define CAP_ENABLEDSUIONLY 0x1014 /* Added 1.7 */ +#define CAP_CUSTOMDSDATA 0x1015 /* Added 1.7 */ +#define CAP_ENDORSER 0x1016 /* Added 1.7 */ +#define CAP_JOBCONTROL 0x1017 /* Added 1.7 */ +#define CAP_ALARMS 0x1018 /* Added 1.8 */ +#define CAP_ALARMVOLUME 0x1019 /* Added 1.8 */ +#define CAP_AUTOMATICCAPTURE 0x101a /* Added 1.8 */ +#define CAP_TIMEBEFOREFIRSTCAPTURE 0x101b /* Added 1.8 */ +#define CAP_TIMEBETWEENCAPTURES 0x101c /* Added 1.8 */ +#define CAP_CLEARBUFFERS 0x101d /* Added 1.8 */ +#define CAP_MAXBATCHBUFFERS 0x101e /* Added 1.8 */ +#define CAP_DEVICETIMEDATE 0x101f /* Added 1.8 */ +#define CAP_POWERSUPPLY 0x1020 /* Added 1.8 */ +#define CAP_CAMERAPREVIEWUI 0x1021 /* Added 1.8 */ +#define CAP_DEVICEEVENT 0x1022 /* Added 1.8 */ +#define CAP_PAGEMULTIPLEACQUIRE 0x1023 /* Added 1.8 */ +#define CAP_SERIALNUMBER 0x1024 /* Added 1.8 */ +#define CAP_FILESYSTEM 0x1025 /* Added 1.8 */ +#define CAP_PRINTER 0x1026 /* Added 1.8 */ +#define CAP_PRINTERENABLED 0x1027 /* Added 1.8 */ +#define CAP_PRINTERINDEX 0x1028 /* Added 1.8 */ +#define CAP_PRINTERMODE 0x1029 /* Added 1.8 */ +#define CAP_PRINTERSTRING 0x102a /* Added 1.8 */ +#define CAP_PRINTERSUFFIX 0x102b /* Added 1.8 */ +#define CAP_LANGUAGE 0x102c /* Added 1.8 */ +#define CAP_FEEDERALIGNMENT 0x102d /* Added 1.8 */ +#define CAP_FEEDERORDER 0x102e /* Added 1.8 */ +#define CAP_PAPERBINDING 0x102f /* Added 1.8 */ +#define CAP_REACQUIREALLOWED 0x1030 /* Added 1.8 */ +#define CAP_PASSTHRU 0x1031 /* Added 1.8 */ +#define CAP_BATTERYMINUTES 0x1032 /* Added 1.8 */ +#define CAP_BATTERYPERCENTAGE 0x1033 /* Added 1.8 */ +#define CAP_POWERDOWNTIME 0x1034 /* Added 1.8 */ + +/* image data sources MAY support these caps */ +#define ICAP_AUTOBRIGHT 0x1100 +#define ICAP_BRIGHTNESS 0x1101 +#define ICAP_CONTRAST 0x1103 +#define ICAP_CUSTHALFTONE 0x1104 +#define ICAP_EXPOSURETIME 0x1105 +#define ICAP_FILTER 0x1106 +#define ICAP_FLASHUSED 0x1107 +#define ICAP_GAMMA 0x1108 +#define ICAP_HALFTONES 0x1109 +#define ICAP_HIGHLIGHT 0x110a +#define ICAP_IMAGEFILEFORMAT 0x110c +#define ICAP_LAMPSTATE 0x110d +#define ICAP_LIGHTSOURCE 0x110e +#define ICAP_ORIENTATION 0x1110 +#define ICAP_PHYSICALWIDTH 0x1111 +#define ICAP_PHYSICALHEIGHT 0x1112 +#define ICAP_SHADOW 0x1113 +#define ICAP_FRAMES 0x1114 +#define ICAP_XNATIVERESOLUTION 0x1116 +#define ICAP_YNATIVERESOLUTION 0x1117 +#define ICAP_XRESOLUTION 0x1118 +#define ICAP_YRESOLUTION 0x1119 +#define ICAP_MAXFRAMES 0x111a +#define ICAP_TILES 0x111b +#define ICAP_BITORDER 0x111c +#define ICAP_CCITTKFACTOR 0x111d +#define ICAP_LIGHTPATH 0x111e +#define ICAP_PIXELFLAVOR 0x111f +#define ICAP_PLANARCHUNKY 0x1120 +#define ICAP_ROTATION 0x1121 +#define ICAP_SUPPORTEDSIZES 0x1122 +#define ICAP_THRESHOLD 0x1123 +#define ICAP_XSCALING 0x1124 +#define ICAP_YSCALING 0x1125 +#define ICAP_BITORDERCODES 0x1126 +#define ICAP_PIXELFLAVORCODES 0x1127 +#define ICAP_JPEGPIXELTYPE 0x1128 +#define ICAP_TIMEFILL 0x112a +#define ICAP_BITDEPTH 0x112b +#define ICAP_BITDEPTHREDUCTION 0x112c /* Added 1.5 */ +#define ICAP_UNDEFINEDIMAGESIZE 0x112d /* Added 1.6 */ +#define ICAP_IMAGEDATASET 0x112e /* Added 1.7 */ +#define ICAP_EXTIMAGEINFO 0x112f /* Added 1.7 */ +#define ICAP_MINIMUMHEIGHT 0x1130 /* Added 1.7 */ +#define ICAP_MINIMUMWIDTH 0x1131 /* Added 1.7 */ +#define ICAP_AUTOBORDERDETECTION 0x1132 /* Added 1.8 */ +#define ICAP_AUTODESKEW 0x1133 /* Added 1.8 */ +#define ICAP_AUTODISCARDBLANKPAGES 0x1134 /* Added 1.8 */ +#define ICAP_AUTOROTATE 0x1135 /* Added 1.8 */ +#define ICAP_FLIPROTATION 0x1136 /* Added 1.8 */ +#define ICAP_BARCODEDETECTIONENABLED 0x1137 /* Added 1.8 */ +#define ICAP_SUPPORTEDBARCODETYPES 0x1138 /* Added 1.8 */ +#define ICAP_BARCODEMAXSEARCHPRIORITIES 0x1139 /* Added 1.8 */ +#define ICAP_BARCODESEARCHPRIORITIES 0x113a /* Added 1.8 */ +#define ICAP_BARCODESEARCHMODE 0x113b /* Added 1.8 */ +#define ICAP_BARCODEMAXRETRIES 0x113c /* Added 1.8 */ +#define ICAP_BARCODETIMEOUT 0x113d /* Added 1.8 */ +#define ICAP_ZOOMFACTOR 0x113e /* Added 1.8 */ +#define ICAP_PATCHCODEDETECTIONENABLED 0x113f /* Added 1.8 */ +#define ICAP_SUPPORTEDPATCHCODETYPES 0x1140 /* Added 1.8 */ +#define ICAP_PATCHCODEMAXSEARCHPRIORITIES 0x1141 /* Added 1.8 */ +#define ICAP_PATCHCODESEARCHPRIORITIES 0x1142 /* Added 1.8 */ +#define ICAP_PATCHCODESEARCHMODE 0x1143 /* Added 1.8 */ +#define ICAP_PATCHCODEMAXRETRIES 0x1144 /* Added 1.8 */ +#define ICAP_PATCHCODETIMEOUT 0x1145 /* Added 1.8 */ +#define ICAP_FLASHUSED2 0x1146 /* Added 1.8 */ +#define ICAP_IMAGEFILTER 0x1147 /* Added 1.8 */ +#define ICAP_NOISEFILTER 0x1148 /* Added 1.8 */ +#define ICAP_OVERSCAN 0x1149 /* Added 1.8 */ +#define ICAP_AUTOMATICBORDERDETECTION 0x1150 /* Added 1.8 */ +#define ICAP_AUTOMATICDESKEW 0x1151 /* Added 1.8 */ +#define ICAP_AUTOMATICROTATE 0x1152 /* Added 1.8 */ + +/* image data sources MAY support these audio caps */ +#define ACAP_AUDIOFILEFORMAT 0x1201 /* Added 1.8 */ +#define ACAP_XFERMECH 0x1202 /* Added 1.8 */ + +/* ----------------------------------------------------------------------- *\ + + Version 1.7: Following is Extended Image Info Attributes. + July 1997 + KHL + +\* ----------------------------------------------------------------------- */ + +#define TWEI_BARCODEX 0x1200 +#define TWEI_BARCODEY 0x1201 +#define TWEI_BARCODETEXT 0x1202 +#define TWEI_BARCODETYPE 0x1203 +#define TWEI_DESHADETOP 0x1204 +#define TWEI_DESHADELEFT 0x1205 +#define TWEI_DESHADEHEIGHT 0x1206 +#define TWEI_DESHADEWIDTH 0x1207 +#define TWEI_DESHADESIZE 0x1208 +#define TWEI_SPECKLESREMOVED 0x1209 +#define TWEI_HORZLINEXCOORD 0x120A +#define TWEI_HORZLINEYCOORD 0x120B +#define TWEI_HORZLINELENGTH 0x120C +#define TWEI_HORZLINETHICKNESS 0x120D +#define TWEI_VERTLINEXCOORD 0x120E +#define TWEI_VERTLINEYCOORD 0x120F +#define TWEI_VERTLINELENGTH 0x1210 +#define TWEI_VERTLINETHICKNESS 0x1211 +#define TWEI_PATCHCODE 0x1212 +#define TWEI_ENDORSEDTEXT 0x1213 +#define TWEI_FORMCONFIDENCE 0x1214 +#define TWEI_FORMTEMPLATEMATCH 0x1215 +#define TWEI_FORMTEMPLATEPAGEMATCH 0x1216 +#define TWEI_FORMHORZDOCOFFSET 0x1217 +#define TWEI_FORMVERTDOCOFFSET 0x1218 +#define TWEI_BARCODECOUNT 0x1219 +#define TWEI_BARCODECONFIDENCE 0x121A +#define TWEI_BARCODEROTATION 0x121B +#define TWEI_BARCODETEXTLENGTH 0x121C +#define TWEI_DESHADECOUNT 0x121D +#define TWEI_DESHADEBLACKCOUNTOLD 0x121E +#define TWEI_DESHADEBLACKCOUNTNEW 0x121F +#define TWEI_DESHADEBLACKRLMIN 0x1220 +#define TWEI_DESHADEBLACKRLMAX 0x1221 +#define TWEI_DESHADEWHITECOUNTOLD 0x1222 +#define TWEI_DESHADEWHITECOUNTNEW 0x1223 +#define TWEI_DESHADEWHITERLMIN 0x1224 +#define TWEI_DESHADEWHITERLAVE 0x1225 +#define TWEI_DESHADEWHITERLMAX 0x1226 +#define TWEI_BLACKSPECKLESREMOVED 0x1227 +#define TWEI_WHITESPECKLESREMOVED 0x1228 +#define TWEI_HORZLINECOUNT 0x1229 +#define TWEI_VERTLINECOUNT 0x122A +#define TWEI_DESKEWSTATUS 0x122B +#define TWEI_SKEWORIGINALANGLE 0x122C +#define TWEI_SKEWFINALANGLE 0x122D +#define TWEI_SKEWCONFIDENCE 0x122E +#define TWEI_SKEWWINDOWX1 0x122F +#define TWEI_SKEWWINDOWY1 0x1230 +#define TWEI_SKEWWINDOWX2 0x1231 +#define TWEI_SKEWWINDOWY2 0x1232 +#define TWEI_SKEWWINDOWX3 0x1233 +#define TWEI_SKEWWINDOWY3 0x1234 +#define TWEI_SKEWWINDOWX4 0x1235 +#define TWEI_SKEWWINDOWY4 0x1236 + +#define TWEJ_NONE 0x0000 +#define TWEJ_MIDSEPARATOR 0x0001 +#define TWEJ_PATCH1 0x0002 +#define TWEJ_PATCH2 0x0003 +#define TWEJ_PATCH3 0x0004 +#define TWEJ_PATCH4 0x0005 +#define TWEJ_PATCH6 0x0006 +#define TWEJ_PATCHT 0x0007 + +/*************************************************************************** + * Return Codes and Condition Codes section * + ***************************************************************************/ + +/* Return Codes: DSM_Entry and DS_Entry may return any one of these values. */ +#define TWRC_CUSTOMBASE 0x8000 + +#define TWRC_SUCCESS 0 +#define TWRC_FAILURE 1 /* Application may get TW_STATUS for info on failure */ +#define TWRC_CHECKSTATUS 2 /* "tried hard"; get status */ +#define TWRC_CANCEL 3 +#define TWRC_DSEVENT 4 +#define TWRC_NOTDSEVENT 5 +#define TWRC_XFERDONE 6 +#define TWRC_ENDOFLIST 7 /* After MSG_GETNEXT if nothing left */ +#define TWRC_INFONOTSUPPORTED 8 +#define TWRC_DATANOTAVAILABLE 9 + +/* Condition Codes: Application gets these by doing DG_CONTROL DAT_STATUS MSG_GET. */ +#define TWCC_CUSTOMBASE 0x8000 + +#define TWCC_SUCCESS 0 /* It worked! */ +#define TWCC_BUMMER 1 /* Failure due to unknown causes */ +#define TWCC_LOWMEMORY 2 /* Not enough memory to perform operation */ +#define TWCC_NODS 3 /* No Data Source */ +#define TWCC_MAXCONNECTIONS 4 /* DS is connected to max possible applications */ +#define TWCC_OPERATIONERROR 5 /* DS or DSM reported error, application shouldn't */ +#define TWCC_BADCAP 6 /* Unknown capability */ +#define TWCC_BADPROTOCOL 9 /* Unrecognized MSG DG DAT combination */ +#define TWCC_BADVALUE 10 /* Data parameter out of range */ +#define TWCC_SEQERROR 11 /* DG DAT MSG out of expected sequence */ +#define TWCC_BADDEST 12 /* Unknown destination Application/Source in DSM_Entry */ +#define TWCC_CAPUNSUPPORTED 13 /* Capability not supported by source */ +#define TWCC_CAPBADOPERATION 14 /* Operation not supported by capability */ +#define TWCC_CAPSEQERROR 15 /* Capability has dependency on other capability */ +/* Added 1.8 */ +#define TWCC_DENIED 16 /* File System operation is denied (file is protected) */ +#define TWCC_FILEEXISTS 17 /* Operation failed because file already exists. */ +#define TWCC_FILENOTFOUND 18 /* File not found */ +#define TWCC_NOTEMPTY 19 /* Operation failed because directory is not empty */ +#define TWCC_PAPERJAM 20 /* The feeder is jammed */ +#define TWCC_PAPERDOUBLEFEED 21 /* The feeder detected multiple pages */ +#define TWCC_FILEWRITEERROR 22 /* Error writing the file (meant for things like disk full conditions) */ +#define TWCC_CHECKDEVICEONLINE 23 /* The device went offline prior to or during this operation */ + + +/* bit patterns: for query the operation that are supported by the data source on a capability */ +/* Application gets these through DG_CONTROL/DAT_CAPABILITY/MSG_QUERYSUPPORT */ +/* Added 1.6 */ +#define TWQC_GET 0x0001 +#define TWQC_SET 0x0002 +#define TWQC_GETDEFAULT 0x0004 +#define TWQC_GETCURRENT 0x0008 +#define TWQC_RESET 0x0010 + + +/**************************************************************************** + * Entry Points * + ****************************************************************************/ + +/********************************************************************** + * Function: DSM_Entry, the only entry point into the Data Source Manager. + * + * Parameters: + * pOrigin Identifies the source module of the message. This could + * identify an Application, a Source, or the Source Manager. + * + * pDest Identifies the destination module for the message. + * This could identify an application or a data source. + * If this is NULL, the message goes to the Source Manager. + * + * DG The Data Group. + * Example: DG_IMAGE. + * + * DAT The Data Attribute Type. + * Example: DAT_IMAGEMEMXFER. + * + * MSG The message. Messages are interpreted by the destination module + * with respect to the Data Group and the Data Attribute Type. + * Example: MSG_GET. + * + * pData A pointer to the data structure or variable identified + * by the Data Attribute Type. + * Example: (TW_MEMREF)&ImageMemXfer + * where ImageMemXfer is a TW_IMAGEMEMXFER structure. + * + * Returns: + * ReturnCode + * Example: TWRC_SUCCESS. + * + ********************************************************************/ + +/* Don't mangle the name "DSM_Entry" if we're compiling in C++! */ +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#ifdef _MSWIN_ +TW_UINT16 FAR PASCAL DSM_Entry( pTW_IDENTITY pOrigin, + pTW_IDENTITY pDest, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData); + +typedef TW_UINT16 (FAR PASCAL *DSMENTRYPROC)(pTW_IDENTITY, pTW_IDENTITY, + TW_UINT32, TW_UINT16, + TW_UINT16, TW_MEMREF); +#else /* _MSWIN_ */ + +FAR PASCAL TW_UINT16 DSM_Entry( pTW_IDENTITY pOrigin, + pTW_IDENTITY pDest, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData); + +typedef TW_UINT16 (*DSMENTRYPROC)(pTW_IDENTITY, pTW_IDENTITY, + TW_UINT32, TW_UINT16, + TW_UINT16, TW_MEMREF); +#endif /* _MSWIN_ */ + +#ifdef __cplusplus +} +#endif /* cplusplus */ + + +/********************************************************************** + * Function: DS_Entry, the entry point provided by a Data Source. + * + * Parameters: + * pOrigin Identifies the source module of the message. This could + * identify an application or the Data Source Manager. + * + * DG The Data Group. + * Example: DG_IMAGE. + * + * DAT The Data Attribute Type. + * Example: DAT_IMAGEMEMXFER. + * + * MSG The message. Messages are interpreted by the data source + * with respect to the Data Group and the Data Attribute Type. + * Example: MSG_GET. + * + * pData A pointer to the data structure or variable identified + * by the Data Attribute Type. + * Example: (TW_MEMREF)&ImageMemXfer + * where ImageMemXfer is a TW_IMAGEMEMXFER structure. + * + * Returns: + * ReturnCode + * Example: TWRC_SUCCESS. + * + * Note: + * The DSPROC type is only used by an application when it calls + * a Data Source directly, bypassing the Data Source Manager. + * + ********************************************************************/ +/* Don't mangle the name "DS_Entry" if we're compiling in C++! */ +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#ifdef _MSWIN_ + #ifdef _WIN32 + __declspec(dllexport) TW_UINT16 FAR PASCAL DS_Entry (pTW_IDENTITY pOrigin, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData); + #else /* _WIN32 */ + TW_UINT16 FAR PASCAL DS_Entry (pTW_IDENTITY pOrigin, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData); + #endif /* _WIN32 */ + + typedef TW_UINT16 (FAR PASCAL *DSENTRYPROC) (pTW_IDENTITY pOrigin, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData); +#else /* _MSWIN_ */ +FAR PASCAL TW_UINT16 DS_Entry( pTW_IDENTITY pOrigin, + TW_UINT32 DG, + TW_UINT16 DAT, + TW_UINT16 MSG, + TW_MEMREF pData); + +typedef TW_UINT16 (*DSENTRYPROC)(pTW_IDENTITY, + TW_UINT32, TW_UINT16, + TW_UINT16, TW_MEMREF); +#endif /* _MSWIN_ */ + +#ifdef __cplusplus +} +#endif /* cplusplus */ + +/* SDH - 02/08/95 - TWUNK */ +/* Force 32-bit twain to use same packing of twain structures as existing */ +/* 16-bit twain. This allows 16/32-bit thunking. */ +#ifdef WIN32 + #ifdef __BORLANDC__ /*(Mentor June 13, 1996) if we're using a Borland compiler */ + #pragma option -a. /*(Mentor October 30, 1996) switch back to original alignment */ + #else /*(Mentor June 13, 1996) if NOT using a Borland compiler */ + #pragma pack (pop, before_twain) + #endif /*(Mentor June 13, 1996) */ +#else /* WIN32 */ +#endif /* WIN32 */ + +#endif /* TWAIN */ |
