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Diffstat (limited to '')
| -rw-r--r-- | plug-ins/common/file-html-table.c | 750 |
1 files changed, 750 insertions, 0 deletions
diff --git a/plug-ins/common/file-html-table.c b/plug-ins/common/file-html-table.c new file mode 100644 index 0000000..0af9eb3 --- /dev/null +++ b/plug-ins/common/file-html-table.c @@ -0,0 +1,750 @@ +/* GIMP - The GNU Image Manipulation Program + * Copyright (C) 1995 Spencer Kimball and Peter Mattis + * + * GTM plug-in --- GIMP Table Magic + * Allows images to be exported as HTML tables with different colored cells. + * It doesn't have very much practical use other than being able to + * easily design a table by "painting" it in GIMP, or to make small HTML + * table images/icons. + * + * Copyright (C) 1997 Daniel Dunbar + * Email: ddunbar@diads.com + * WWW: http://millennium.diads.com/gimp/ + * + * 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/>. + */ + +/* Version 1.0: + * Once I first found out that it was possible to have pixel level control + * of HTML tables I instantly realized that it would be possible, however + * pointless, to save an image as a, albeit huge, HTML table. + * + * One night when I was feeling in an adventourously stupid programming mood + * I decided to write a program to do it. + * + * At first I just wrote a really ugly hack to do it, which I then planned + * on using once just to see how it worked, and then posting a URL and + * laughing about it on #gimp. As it turns out, tigert thought it actually + * had potential to be a useful plugin, so I started adding features and + * and making a nice UI. + * + * It's still not very useful, but I did manage to significantly improve my + * C programming skills in the process, so it was worth it. + * + * If you happen to find it useful I would appreciate any email about it. + * - Daniel Dunbar + * ddunbar@diads.com + */ + +#include "config.h" + +#include <string.h> + +#include <libgimp/gimp.h> +#include <libgimp/gimpui.h> + +#include "libgimp/stdplugins-intl.h" + + +#define SAVE_PROC "file-gtm-save" +#define PLUG_IN_BINARY "file-html-table" +#define PLUG_IN_ROLE "gimp-file-html-table" + + +/* Typedefs */ + +typedef struct +{ + gchar captiontxt[256]; + gchar cellcontent[256]; + gchar clwidth[256]; + gchar clheight[256]; + gboolean fulldoc; + gboolean caption; + gint border; + gboolean spantags; + gboolean tdcomp; + gint cellpadding; + gint cellspacing; +} GTMValues; + + +/* Declare some local functions */ + +static void query (void); +static void run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals); + +static gboolean save_image (GFile *file, + GeglBuffer *buffer, + GError **error); +static gboolean save_dialog (gint32 image_ID); + +static gboolean print (GOutputStream *output, + GError **error, + const gchar *format, + ...) G_GNUC_PRINTF (3, 0); +static gboolean color_comp (guchar *buffer, + guchar *buf2); +static void entry_changed_callback (GtkEntry *entry, + gchar *string); + + +/* Variables */ + +static GTMValues gtmvals = +{ + "Made with GIMP Table Magic", /* caption text */ + " ", /* cellcontent text */ + "", /* cell width text */ + "", /* cell height text */ + TRUE, /* fulldoc */ + FALSE, /* caption */ + 2, /* border */ + FALSE, /* spantags */ + FALSE, /* tdcomp */ + 4, /* cellpadding */ + 0 /* cellspacing */ +}; + +const GimpPlugInInfo PLUG_IN_INFO = +{ + NULL, /* init_proc */ + NULL, /* quit_proc */ + query, /* query_proc */ + run, /* run_proc */ +}; + + +MAIN () + +static void +query (void) +{ + static const GimpParamDef save_args[] = + { + { GIMP_PDB_INT32, "run-mode", "The run mode { RUN-INTERACTIVE (0) }" }, + { GIMP_PDB_IMAGE, "image", "Input image" }, + { GIMP_PDB_DRAWABLE, "drawable", "Drawable to export" }, + { GIMP_PDB_STRING, "filename", "The name of the file to export the image in" }, + { GIMP_PDB_STRING, "raw-filename", "The name of the file to export the image in" } + }; + + gimp_install_procedure (SAVE_PROC, + "GIMP Table Magic", + "Allows you to draw an HTML table in GIMP. See help for more info.", + "Daniel Dunbar", + "Daniel Dunbar", + "1998", + _("HTML table"), + "RGB*, GRAY*, INDEXED*", + GIMP_PLUGIN, + G_N_ELEMENTS (save_args), 0, + save_args, NULL); + + gimp_register_file_handler_mime (SAVE_PROC, "text/html"); + gimp_register_file_handler_uri (SAVE_PROC); + gimp_register_save_handler (SAVE_PROC, "html,htm", ""); +} + +static void +run (const gchar *name, + gint nparams, + const GimpParam *param, + gint *nreturn_vals, + GimpParam **return_vals) +{ + static GimpParam values[2]; + GimpPDBStatusType status = GIMP_PDB_SUCCESS; + GError *error = NULL; + + INIT_I18N (); + gegl_init (NULL, NULL); + + *nreturn_vals = 1; + *return_vals = values; + + values[0].type = GIMP_PDB_STATUS; + values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR; + + gimp_get_data (SAVE_PROC, >mvals); + + if (save_dialog (param[1].data.d_int32)) + { + GeglBuffer *buffer = gimp_drawable_get_buffer (param[2].data.d_int32); + + if (save_image (g_file_new_for_uri (param[3].data.d_string), + buffer, &error)) + { + gimp_set_data (SAVE_PROC, >mvals, sizeof (GTMValues)); + } + else + { + status = GIMP_PDB_EXECUTION_ERROR; + } + + g_object_unref (buffer); + } + else + { + status = GIMP_PDB_CANCEL; + } + + if (status != GIMP_PDB_SUCCESS && error) + { + *nreturn_vals = 2; + values[1].type = GIMP_PDB_STRING; + values[1].data.d_string = error->message; + } + + values[0].data.d_status = status; +} + +static gboolean +save_image (GFile *file, + GeglBuffer *buffer, + GError **error) +{ + const Babl *format = babl_format ("R'G'B'A u8"); + GeglSampler *sampler; + GCancellable *cancellable; + GOutputStream *output; + gint row, col; + gint cols, rows; + gint x, y; + gint colcount, colspan, rowspan; + gint *palloc; + guchar *buf, *buf2; + gchar *width = NULL; + gchar *height = NULL; + + cols = gegl_buffer_get_width (buffer); + rows = gegl_buffer_get_height (buffer); + + gimp_progress_init_printf (_("Exporting '%s'"), + gimp_file_get_utf8_name (file)); + + output = G_OUTPUT_STREAM (g_file_replace (file, + NULL, FALSE, G_FILE_CREATE_NONE, + NULL, error)); + if (output) + { + GOutputStream *buffered; + + buffered = g_buffered_output_stream_new (output); + g_object_unref (output); + + output = buffered; + } + else + { + return FALSE; + } + + sampler = gegl_buffer_sampler_new (buffer, format, GEGL_SAMPLER_NEAREST); + + palloc = g_new (int, rows * cols); + + if (gtmvals.fulldoc) + { + if (! print (output, error, + "<HTML>\n<HEAD><TITLE>%s</TITLE></HEAD>\n<BODY>\n", + gimp_file_get_utf8_name (file)) || + ! print (output, error, "<H1>%s</H1>\n", + gimp_file_get_utf8_name (file))) + { + goto fail; + } + } + + if (! print (output, error, + "<TABLE BORDER=%d CELLPADDING=%d CELLSPACING=%d>\n", + gtmvals.border, gtmvals.cellpadding, gtmvals.cellspacing)) + goto fail; + + if (gtmvals.caption) + { + if (! print (output, error, "<CAPTION>%s</CAPTION>\n", + gtmvals.captiontxt)) + goto fail; + } + + buf = g_newa (guchar, babl_format_get_bytes_per_pixel (format)); + buf2 = g_newa (guchar, babl_format_get_bytes_per_pixel (format)); + + if (strcmp (gtmvals.clwidth, "") != 0) + { + width = g_strdup_printf (" WIDTH=\"%s\"", gtmvals.clwidth); + } + + if (strcmp (gtmvals.clheight, "") != 0) + { + height = g_strdup_printf (" HEIGHT=\"%s\" ", gtmvals.clheight); + } + + if (! width) + width = g_strdup (" "); + + if (! height) + height = g_strdup (" "); + + /* Initialize array to hold ROWSPAN and COLSPAN cell allocation table */ + + for (row = 0; row < rows; row++) + for (col = 0; col < cols; col++) + palloc[cols * row + col] = 1; + + colspan = 0; + rowspan = 0; + + for (y = 0; y < rows; y++) + { + if (! print (output, error, " <TR>\n")) + goto fail; + + for (x = 0; x < cols; x++) + { + gegl_sampler_get (sampler, x, y, NULL, buf, GEGL_ABYSS_NONE); + + /* Determine ROWSPAN and COLSPAN */ + + if (gtmvals.spantags) + { + col = x; + row = y; + colcount = 0; + colspan = 0; + rowspan = 0; + + gegl_sampler_get (sampler, col, row, NULL, buf2, GEGL_ABYSS_NONE); + + while (color_comp (buf, buf2) && + palloc[cols * row + col] == 1 && + row < rows) + { + while (color_comp (buf, buf2) && + palloc[cols * row + col] == 1 && + col < cols) + { + colcount++; + col++; + + gegl_sampler_get (sampler, + col, row, NULL, buf2, GEGL_ABYSS_NONE); + } + + if (colcount != 0) + { + row++; + rowspan++; + } + + if (colcount < colspan || colspan == 0) + colspan = colcount; + + col = x; + colcount = 0; + + gegl_sampler_get (sampler, + col, row, NULL, buf2, GEGL_ABYSS_NONE); + } + + if (colspan > 1 || rowspan > 1) + { + for (row = 0; row < rowspan; row++) + for (col = 0; col < colspan; col++) + palloc[cols * (row + y) + (col + x)] = 0; + + palloc[cols * y + x] = 2; + } + } + + if (palloc[cols * y + x] == 1) + { + if (! print (output, error, + " <TD%s%sBGCOLOR=#%02x%02x%02x>", + width, height, buf[0], buf[1], buf[2])) + goto fail; + } + + if (palloc[cols * y + x] == 2) + { + if (! print (output, error, + " <TD ROWSPAN=\"%d\" COLSPAN=\"%d\"%s%sBGCOLOR=#%02x%02x%02x>", + rowspan, colspan, width, height, + buf[0], buf[1], buf[2])) + goto fail; + } + + if (palloc[cols * y + x] != 0) + { + if (gtmvals.tdcomp) + { + if (! print (output, error, + "%s</TD>\n", gtmvals.cellcontent)) + goto fail; + } + else + { + if (! print (output, error, + "\n %s\n </TD>\n", gtmvals.cellcontent)) + goto fail; + } + } + } + + if (! print (output, error, " </TR>\n")) + goto fail; + + gimp_progress_update ((double) y / (double) rows); + } + + if (gtmvals.fulldoc) + { + if (! print (output, error, "</TABLE></BODY></HTML>\n")) + goto fail; + } + else + { + if (! print (output, error, "</TABLE>\n")) + goto fail; + } + + if (! g_output_stream_close (output, NULL, error)) + goto fail; + + g_object_unref (output); + g_object_unref (sampler); + g_free (width); + g_free (height); + g_free (palloc); + + gimp_progress_update (1.0); + + return TRUE; + + fail: + + cancellable = g_cancellable_new (); + g_cancellable_cancel (cancellable); + g_output_stream_close (output, cancellable, NULL); + g_object_unref (cancellable); + + g_object_unref (output); + g_object_unref (sampler); + g_free (width); + g_free (height); + g_free (palloc); + + return FALSE; +} + +static gint +save_dialog (gint32 image_ID) +{ + GtkWidget *dialog; + GtkWidget *main_vbox; + GtkWidget *frame; + GtkWidget *vbox; + GtkWidget *table; + GtkWidget *spinbutton; + GtkAdjustment *adj; + GtkWidget *entry; + GtkWidget *toggle; + gboolean run; + + gimp_ui_init (PLUG_IN_BINARY, FALSE); + + dialog = gimp_export_dialog_new (_("HTML table"), PLUG_IN_BINARY, SAVE_PROC); + + main_vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12); + gtk_container_set_border_width (GTK_CONTAINER (main_vbox), 12); + gtk_box_pack_start (GTK_BOX (gimp_export_dialog_get_content_area (dialog)), + main_vbox, TRUE, TRUE, 0); + + if (gimp_image_width (image_ID) * gimp_image_height (image_ID) > 4096) + { + GtkWidget *eek; + GtkWidget *label; + GtkWidget *hbox; + + frame = gimp_frame_new (_("Warning")); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + + hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 12); + gtk_container_add (GTK_CONTAINER (frame), hbox); + + eek = gtk_image_new_from_icon_name (GIMP_ICON_WILBER_EEK, + GTK_ICON_SIZE_DIALOG); + gtk_box_pack_start (GTK_BOX (hbox), eek, FALSE, FALSE, 0); + + label = gtk_label_new (_("You are about to create a huge\n" + "HTML file which will most likely\n" + "crash your browser.")); + gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0); + + gtk_widget_show_all (frame); + } + + /* HTML Page Options */ + frame = gimp_frame_new (_("HTML Page Options")); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + + vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6); + gtk_container_add (GTK_CONTAINER (frame), vbox); + gtk_widget_show (vbox); + + toggle = gtk_check_button_new_with_mnemonic (_("_Generate full HTML document")); + gtk_box_pack_start (GTK_BOX (vbox), toggle, FALSE, FALSE, 0); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), gtmvals.fulldoc); + gtk_widget_show (toggle); + + gimp_help_set_help_data (toggle, + _("If checked GTM will output a full HTML document " + "with <HTML>, <BODY>, etc. tags instead of just " + "the table html."), + NULL); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + >mvals.fulldoc); + + gtk_widget_show (main_vbox); + gtk_widget_show (frame); + + /* HTML Table Creation Options */ + frame = gimp_frame_new (_("Table Creation Options")); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + + table = gtk_table_new (4, 2, FALSE); + gtk_table_set_col_spacings (GTK_TABLE (table), 6); + gtk_table_set_row_spacings (GTK_TABLE (table), 6); + gtk_container_add (GTK_CONTAINER (frame), table); + + toggle = gtk_check_button_new_with_mnemonic (_("_Use cellspan")); + gtk_table_attach (GTK_TABLE (table), toggle, 0, 2, 0, 1, GTK_FILL, 0, 0, 0); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), gtmvals.spantags); + gtk_widget_show (toggle); + + gimp_help_set_help_data (toggle, + _("If checked GTM will replace any rectangular " + "sections of identically colored blocks with one " + "large cell with ROWSPAN and COLSPAN values."), + NULL); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + >mvals.spantags); + + toggle = gtk_check_button_new_with_mnemonic (_("Co_mpress TD tags")); + gtk_table_attach (GTK_TABLE (table), toggle, 0, 2, 1, 2, GTK_FILL, 0, 0, 0); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), gtmvals.tdcomp); + gtk_widget_show (toggle); + + gimp_help_set_help_data (toggle, + _("Checking this tag will cause GTM to leave no " + "whitespace between the TD tags and the " + "cellcontent. This is only necessary for pixel " + "level positioning control."), + NULL); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + >mvals.tdcomp); + + toggle = gtk_check_button_new_with_mnemonic (_("C_aption")); + gtk_table_attach (GTK_TABLE (table), toggle, 0, 1, 2, 3, GTK_FILL, 0, 0, 0); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle), gtmvals.caption); + gtk_widget_show (toggle); + + gimp_help_set_help_data (toggle, + _("Check if you would like to have the table " + "captioned."), + NULL); + + g_signal_connect (toggle, "toggled", + G_CALLBACK (gimp_toggle_button_update), + >mvals.caption); + + entry = gtk_entry_new (); + gtk_widget_set_size_request (entry, 200, -1); + gtk_entry_set_text (GTK_ENTRY (entry), gtmvals.captiontxt); + gtk_table_attach (GTK_TABLE (table), entry, 1, 2, 2, 3, + GTK_FILL | GTK_EXPAND, 0, 0, 0); + gtk_widget_show (entry); + + gimp_help_set_help_data (entry, _("The text for the table caption."), NULL); + + g_signal_connect (entry, "changed", + G_CALLBACK (entry_changed_callback), + gtmvals.captiontxt); + + g_object_bind_property (toggle, "active", + entry, "sensitive", + G_BINDING_SYNC_CREATE); + + entry = gtk_entry_new (); + gtk_widget_set_size_request (entry, 200, -1); + gtk_entry_set_text (GTK_ENTRY (entry), gtmvals.cellcontent); + gimp_table_attach_aligned (GTK_TABLE (table), 0, 3, + _("C_ell content:"), 0.0, 0.5, + entry, 1, FALSE); + gtk_widget_show (entry); + + gimp_help_set_help_data (entry, _("The text to go into each cell."), NULL); + + g_signal_connect (entry, "changed", + G_CALLBACK (entry_changed_callback), + gtmvals.cellcontent); + + gtk_widget_show (table); + gtk_widget_show (frame); + + /* HTML Table Options */ + frame = gimp_frame_new (_("Table Options")); + gtk_box_pack_start (GTK_BOX (main_vbox), frame, FALSE, FALSE, 0); + + table = gtk_table_new (5, 2, FALSE); + gtk_table_set_col_spacings (GTK_TABLE (table), 6); + gtk_table_set_row_spacings (GTK_TABLE (table), 6); + gtk_container_add (GTK_CONTAINER (frame), table); + + adj = (GtkAdjustment *) gtk_adjustment_new (gtmvals.border, + 0, 1000, 1, 10, 0); + spinbutton = gimp_spin_button_new (adj, 1.0, 0); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE); + gimp_table_attach_aligned (GTK_TABLE (table), 0, 0, + _("_Border:"), 0.0, 0.5, + spinbutton, 1, TRUE); + + gimp_help_set_help_data (spinbutton, + _("The number of pixels in the table border."), + NULL); + + g_signal_connect (adj, "value-changed", + G_CALLBACK (gimp_int_adjustment_update), + >mvals.border); + + entry = gtk_entry_new (); + gtk_widget_set_size_request (entry, 60, -1); + gtk_entry_set_text (GTK_ENTRY (entry), gtmvals.clwidth); + gimp_table_attach_aligned (GTK_TABLE (table), 0, 1, + _("_Width:"), 0.0, 0.5, + entry, 1, TRUE); + + gimp_help_set_help_data (entry, + _("The width for each table cell. " + "Can be a number or a percent."), + NULL); + + g_signal_connect (entry, "changed", + G_CALLBACK (entry_changed_callback), + gtmvals.clwidth); + + entry = gtk_entry_new (); + gtk_widget_set_size_request (entry, 60, -1); + gtk_entry_set_text (GTK_ENTRY (entry), gtmvals.clheight); + gimp_table_attach_aligned (GTK_TABLE (table), 0, 2, + _("_Height:"), 0.0, 0.5, + entry, 1, TRUE); + + gimp_help_set_help_data (entry, + _("The height for each table cell. " + "Can be a number or a percent."), + NULL); + + g_signal_connect (entry, "changed", + G_CALLBACK (entry_changed_callback), + gtmvals.clheight); + + adj = (GtkAdjustment *) gtk_adjustment_new (gtmvals.cellpadding, + 0, 1000, 1, 10, 0); + spinbutton = gimp_spin_button_new (adj, 1.0, 0); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE); + gimp_table_attach_aligned (GTK_TABLE (table), 0, 3, + _("Cell-_padding:"), 0.0, 0.5, + spinbutton, 1, TRUE); + + gimp_help_set_help_data (spinbutton, + _("The amount of cell padding."), NULL); + + g_signal_connect (adj, "value-changed", + G_CALLBACK (gimp_int_adjustment_update), + >mvals.cellpadding); + + adj = (GtkAdjustment *) gtk_adjustment_new (gtmvals.cellspacing, + 0, 1000, 1, 10, 0); + spinbutton = gimp_spin_button_new (adj, 1.0, 0); + gtk_spin_button_set_numeric (GTK_SPIN_BUTTON (spinbutton), TRUE); + gimp_table_attach_aligned (GTK_TABLE (table), 0, 4, + _("Cell-_spacing:"), 0.0, 0.5, + spinbutton, 1, TRUE); + + gimp_help_set_help_data (spinbutton, + _("The amount of cell spacing."), NULL); + + g_signal_connect (adj, "value-changed", + G_CALLBACK (gimp_int_adjustment_update), + >mvals.cellspacing); + + gtk_widget_show (table); + gtk_widget_show (frame); + + gtk_widget_show (dialog); + + run = (gimp_dialog_run (GIMP_DIALOG (dialog)) == GTK_RESPONSE_OK); + + gtk_widget_destroy (dialog); + + return run; +} + +static gboolean +print (GOutputStream *output, + GError **error, + const gchar *format, + ...) +{ + va_list args; + gboolean success; + + va_start (args, format); + success = g_output_stream_vprintf (output, NULL, NULL, + error, format, args); + va_end (args); + + return success; +} + +static gboolean +color_comp (guchar *buf, + guchar *buf2) +{ + return (buf[0] == buf2[0] && + buf[1] == buf2[1] && + buf[2] == buf2[2]); +} + +/* Export interface functions */ + +static void +entry_changed_callback (GtkEntry *entry, + gchar *string) +{ + strncpy (string, gtk_entry_get_text (entry), 255); +} |