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| -rw-r--r-- | src/extension/internal/emf-inout.h | 249 |
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diff --git a/src/extension/internal/emf-inout.h b/src/extension/internal/emf-inout.h new file mode 100644 index 0000000..74c8053 --- /dev/null +++ b/src/extension/internal/emf-inout.h @@ -0,0 +1,249 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** @file + * @brief Enhanced Metafile Input/Output + */ +/* Authors: + * Ulf Erikson <ulferikson@users.sf.net> + * David Mathog + * + * Copyright (C) 2006-2008 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ +#ifndef SEEN_EXTENSION_INTERNAL_EMF_H +#define SEEN_EXTENSION_INTERNAL_EMF_H + +#include <3rdparty/libuemf/uemf.h> +#include <3rdparty/libuemf/uemf_safe.h> +#include <3rdparty/libuemf/uemf_endian.h> // for U_emf_record_sizeok() +#include "extension/internal/metafile-inout.h" // picks up PNG +#include "extension/implementation/implementation.h" +#include "style.h" +#include "text_reassemble.h" + +namespace Inkscape { +namespace Extension { +namespace Internal { + +#define DIRTY_NONE 0x00 +#define DIRTY_TEXT 0x01 +#define DIRTY_FILL 0x02 +#define DIRTY_STROKE 0x04 + +struct EMF_OBJECT { + int type = 0; + int level = 0; + char *lpEMFR = nullptr; +}; +using PEMF_OBJECT = EMF_OBJECT *; + +struct EMF_STRINGS { + int size = 0; // number of slots allocated in strings + int count = 0; // number of slots used in strings + char **strings = nullptr; // place to store strings +}; +using PEMF_STRINGS = EMF_STRINGS *; + +struct EMF_DEVICE_CONTEXT { + EMF_DEVICE_CONTEXT() : + // SPStyle: class with constructor + font_name(nullptr), + clip_id(0), + stroke_set(false), stroke_mode(0), stroke_idx(0), stroke_recidx(0), + fill_set(false), fill_mode(0), fill_idx(0), fill_recidx(0), + dirty(0), + // sizeWnd, sizeView, winorg, vieworg, + ScaleInX(0), ScaleInY(0), + ScaleOutX(0), ScaleOutY(0), + bkMode(U_TRANSPARENT), + // bkColor, textColor + textAlign(0) + // worldTransform, cur + { + sizeWnd = sizel_set( 0.0, 0.0 ); + sizeView = sizel_set( 0.0, 0.0 ); + winorg = point32_set( 0.0, 0.0 ); + vieworg = point32_set( 0.0, 0.0 ); + bkColor = U_RGB(255, 255, 255); // default foreground color (white) + textColor = U_RGB(0, 0, 0); // default foreground color (black) + worldTransform.eM11 = 1.0; + worldTransform.eM12 = 0.0; + worldTransform.eM21 = 0.0; + worldTransform.eM22 = 1.0; + worldTransform.eDx = 0.0; + worldTransform.eDy = 0.0; + cur = point32_set( 0, 0 ); + }; + SPStyle style; + char *font_name; + int clip_id; // 0 if none, else 1 + index into clips + bool stroke_set; + int stroke_mode; // enumeration from drawmode, not used if fill_set is not True + int stroke_idx; // used with DRAW_PATTERN and DRAW_IMAGE to return the appropriate fill + int stroke_recidx;// record used to regenerate hatch when it needs to be redone due to bkmode, textmode, etc. change + bool fill_set; + int fill_mode; // enumeration from drawmode, not used if fill_set is not True + int fill_idx; // used with DRAW_PATTERN and DRAW_IMAGE to return the appropriate fill + int fill_recidx; // record used to regenerate hatch when it needs to be redone due to bkmode, textmode, etc. change + int dirty; // holds the dirty bits for text, stroke, fill + U_SIZEL sizeWnd; + U_SIZEL sizeView; + U_POINTL winorg; + U_POINTL vieworg; + double ScaleInX, ScaleInY; + double ScaleOutX, ScaleOutY; + uint16_t bkMode; + U_COLORREF bkColor; + U_COLORREF textColor; + uint32_t textAlign; + U_XFORM worldTransform; + U_POINTL cur; +}; +using PEMF_DEVICE_CONTEXT = EMF_DEVICE_CONTEXT *; + +#define EMF_MAX_DC 128 + +struct EMF_CALLBACK_DATA { + + EMF_CALLBACK_DATA() : + // dc: array, structure w/ constructor + level(0), + E2IdirY(1.0), + D2PscaleX(1.0), D2PscaleY(1.0), + MM100InX(0), MM100InY(0), + PixelsInX(0), PixelsInY(0), + PixelsOutX(0), PixelsOutY(0), + ulCornerInX(0), ulCornerInY(0), + ulCornerOutX(0), ulCornerOutY(0), + mask(0), + arcdir(U_AD_COUNTERCLOCKWISE), + dwRop2(U_R2_COPYPEN), dwRop3(0), + MMX(0),MMY(0), + drawtype(0), + pDesc(nullptr), + // hatches, images, gradients, struct w/ constructor + tri(nullptr), + n_obj(0) + // emf_obj; + {}; + + Glib::ustring outsvg; + Glib::ustring path; + Glib::ustring outdef; + Glib::ustring defs; + + EMF_DEVICE_CONTEXT dc[EMF_MAX_DC+1]; // FIXME: This should be dynamic.. + int level; + + double E2IdirY; // EMF Y direction relative to Inkscape Y direction. Will be negative for MM_LOMETRIC etc. + double D2PscaleX,D2PscaleY; // EMF device to Inkscape Page scale. + float MM100InX, MM100InY; // size of the drawing in hundredths of a millimeter + float PixelsInX, PixelsInY; // size of the drawing, in EMF device pixels + float PixelsOutX, PixelsOutY; // size of the drawing, in Inkscape pixels + double ulCornerInX,ulCornerInY; // Upper left corner, from header rclBounds, in logical units + double ulCornerOutX,ulCornerOutY; // Upper left corner, in Inkscape pixels + uint32_t mask; // Draw properties + int arcdir; //U_AD_COUNTERCLOCKWISE 1 or U_AD_CLOCKWISE 2 + + uint32_t dwRop2; // Binary raster operation, 0 if none (use brush/pen unmolested) + uint32_t dwRop3; // Ternary raster operation, 0 if none (use brush/pen unmolested) + + float MMX; + float MMY; + + unsigned int drawtype; // one of 0 or U_EMR_FILLPATH, U_EMR_STROKEPATH, U_EMR_STROKEANDFILLPATH + char *pDesc; + // both of these end up in <defs> under the names shown here. These structures allow duplicates to be avoided. + EMF_STRINGS hatches; // hold pattern names, all like EMFhatch#_$$$$$$ where # is the EMF hatch code and $$$$$$ is the color + EMF_STRINGS images; // hold images, all like Image#, where # is the slot the image lives. + EMF_STRINGS gradients; // hold gradient names, all like EMF[HV]_$$$$$$_$$$$$$ where $$$$$$ are the colors + EMF_STRINGS clips; // hold clipping paths, referred to be the slot where the clipping path lives + TR_INFO *tri; // Text Reassembly data structure + + + int n_obj; + PEMF_OBJECT emf_obj; +}; +using PEMF_CALLBACK_DATA = EMF_CALLBACK_DATA *; + +class Emf : public Metafile +{ + +public: + + Emf(); // Empty constructor + + ~Emf() override;//Destructor + + bool check(Inkscape::Extension::Extension *module) override; //Can this module load (always yes for now) + + void save(Inkscape::Extension::Output *mod, // Save the given document to the given filename + SPDocument *doc, + gchar const *filename) override; + + SPDocument *open( Inkscape::Extension::Input *mod, + const gchar *uri ) override; + + static void init();//Initialize the class + +private: + +protected: + static void print_document_to_file(SPDocument *doc, const gchar *filename); + static double current_scale(PEMF_CALLBACK_DATA d); + static std::string current_matrix(PEMF_CALLBACK_DATA d, double x, double y, int useoffset); + static double current_rotation(PEMF_CALLBACK_DATA d); + static void enlarge_hatches(PEMF_CALLBACK_DATA d); + static int in_hatches(PEMF_CALLBACK_DATA d, char *test); + static uint32_t add_hatch(PEMF_CALLBACK_DATA d, uint32_t hatchType, U_COLORREF hatchColor); + static void enlarge_images(PEMF_CALLBACK_DATA d); + static int in_images(PEMF_CALLBACK_DATA d, const char *test); + static uint32_t add_image(PEMF_CALLBACK_DATA d, void *pEmr, uint32_t cbBits, uint32_t cbBmi, + uint32_t iUsage, uint32_t offBits, uint32_t offBmi); + static void enlarge_gradients(PEMF_CALLBACK_DATA d); + static int in_gradients(PEMF_CALLBACK_DATA d, const char *test); + static uint32_t add_gradient(PEMF_CALLBACK_DATA d, uint32_t gradientType, U_TRIVERTEX tv1, U_TRIVERTEX tv2); + + static void enlarge_clips(PEMF_CALLBACK_DATA d); + static int in_clips(PEMF_CALLBACK_DATA d, const char *test); + static void add_clips(PEMF_CALLBACK_DATA d, const char *clippath, unsigned int logic); + + static void output_style(PEMF_CALLBACK_DATA d, int iType); + static double _pix_x_to_point(PEMF_CALLBACK_DATA d, double px); + static double _pix_y_to_point(PEMF_CALLBACK_DATA d, double py); + static double pix_to_x_point(PEMF_CALLBACK_DATA d, double px, double py); + static double pix_to_y_point(PEMF_CALLBACK_DATA d, double px, double py); + static double pix_to_abs_size(PEMF_CALLBACK_DATA d, double px); + static void snap_to_faraway_pair(double *x, double *y); + static std::string pix_to_xy(PEMF_CALLBACK_DATA d, double x, double y); + static void select_pen(PEMF_CALLBACK_DATA d, int index); + static void select_extpen(PEMF_CALLBACK_DATA d, int index); + static void select_brush(PEMF_CALLBACK_DATA d, int index); + static void select_font(PEMF_CALLBACK_DATA d, int index); + static void delete_object(PEMF_CALLBACK_DATA d, int index); + static void insert_object(PEMF_CALLBACK_DATA d, int index, int type, PU_ENHMETARECORD pObj); + static int AI_hack(PU_EMRHEADER pEmr); + static uint32_t *unknown_chars(size_t count); + static void common_image_extraction(PEMF_CALLBACK_DATA d, void *pEmr, + double dx, double dy, double dw, double dh, int sx, int sy, int sw, int sh, + uint32_t iUsage, uint32_t offBits, uint32_t cbBits, uint32_t offBmi, uint32_t cbBmi); + static int myEnhMetaFileProc(char *contents, unsigned int length, PEMF_CALLBACK_DATA d); + static void free_emf_strings(EMF_STRINGS name); + +}; + +} } } /* namespace Inkscape, Extension, Implementation */ + + +#endif /* EXTENSION_INTERNAL_EMF_H */ + +/* + Local Variables: + mode:c++ + c-file-style:"stroustrup" + c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +)) + indent-tabs-mode:nil + fill-column:99 + End: +*/ +// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:fileencoding=utf-8:textwidth=99 : |