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Diffstat (limited to 'src/extension/internal/wmf-inout.h')
| -rw-r--r-- | src/extension/internal/wmf-inout.h | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/src/extension/internal/wmf-inout.h b/src/extension/internal/wmf-inout.h new file mode 100644 index 0000000..129ab18 --- /dev/null +++ b/src/extension/internal/wmf-inout.h @@ -0,0 +1,237 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** @file + * @brief Windows Metafile Input/Output + */ +/* Authors: + * Ulf Erikson <ulferikson@users.sf.net> + * + * Copyright (C) 2006-2008 Authors + * + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ +#ifndef SEEN_EXTENSION_INTERNAL_WMF_H +#define SEEN_EXTENSION_INTERNAL_WMF_H + +#include <3rdparty/libuemf/uwmf.h> +#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 // not used currently + +struct WMF_OBJECT { + int type = 0; + int level = 0; + char *record = nullptr; +}; +using PWMF_OBJECT = WMF_OBJECT *; + +struct WMF_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 PWMF_STRINGS = WMF_STRINGS *; + +struct WMF_DEVICE_CONTEXT { + WMF_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), + active_pen(-1), active_brush(-1), active_font(-1), // -1 when the default is used + // sizeWnd, sizeView, winorg, vieworg, + ScaleInX(0), ScaleInY(0), + ScaleOutX(0), ScaleOutY(0), + bkMode(U_TRANSPARENT), + // bkColor, textColor + textAlign(0) + // worldTransform, cur + { + sizeWnd = point16_set( 0.0, 0.0 ); + sizeView = point16_set( 0.0, 0.0 ); + winorg = point16_set( 0.0, 0.0 ); + vieworg = point16_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) + cur = point16_set( 0.0, 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 + int active_pen; // used when the active object is deleted to set the default values, -1 is none active + int active_brush; // ditto + int active_font; // ditto. also used to hold object number in case font needs to be remade due to textcolor change. + U_POINT16 sizeWnd; + U_POINT16 sizeView; + U_POINT16 winorg; + U_POINT16 vieworg; + double ScaleInX, ScaleInY; + double ScaleOutX, ScaleOutY; + uint16_t bkMode; + U_COLORREF bkColor; + U_COLORREF textColor; + uint16_t textAlign; + U_POINT16 cur; +}; +using PWMF_DEVICE_CONTEXT = WMF_DEVICE_CONTEXT *; + +#define WMF_MAX_DC 128 + + +// like this causes a mysterious crash on the return from Wmf::open +//typedef struct emf_callback_data { +// this fixes it, so some confusion between this struct and the one in emf-inout??? +//typedef struct wmf_callback_data { +// as does this +struct WMF_CALLBACK_DATA { + + WMF_CALLBACK_DATA() : + // dc: array, structure w/ constructor + level(0), + E2IdirY(1.0), + D2PscaleX(1.0), D2PscaleY(1.0), + 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), + id(0), drawtype(0), + // hatches, images, gradients, struct w/ constructor + tri(nullptr), + n_obj(0), + low_water(0) + //wmf_obj + {}; + + Glib::ustring outsvg; + Glib::ustring path; + Glib::ustring outdef; + Glib::ustring defs; + + WMF_DEVICE_CONTEXT dc[WMF_MAX_DC+1]; // FIXME: This should be dynamic.. + int level; + + double E2IdirY; // WMF Y direction relative to Inkscape Y direction. Will be negative for MM_LOMETRIC etc. + double D2PscaleX,D2PscaleY; // WMF device to Inkscape Page scale. + float PixelsInX, PixelsInY; // size of the drawing, in WMF 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) + + unsigned int id; + unsigned int drawtype; // one of 0 or U_WMR_FILLPATH, U_WMR_STROKEPATH, U_WMR_STROKEANDFILLPATH + // both of these end up in <defs> under the names shown here. These structures allow duplicates to be avoided. + WMF_STRINGS hatches; // hold pattern names, all like WMFhatch#_$$$$$$ where # is the WMF hatch code and $$$$$$ is the color + WMF_STRINGS images; // hold images, all like Image#, where # is the slot the image lives. + WMF_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; + int low_water; // first object slot which _might_ be unoccupied. Everything below is filled. + PWMF_OBJECT wmf_obj; +}; +using PWMF_CALLBACK_DATA = WMF_CALLBACK_DATA *; + +class Wmf : public Metafile +{ + +public: + Wmf(); // Empty constructor + + ~Wmf() 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(PWMF_CALLBACK_DATA d); + static std::string current_matrix(PWMF_CALLBACK_DATA d, double x, double y, int useoffset); + static double current_rotation(PWMF_CALLBACK_DATA d); + static void enlarge_hatches(PWMF_CALLBACK_DATA d); + static int in_hatches(PWMF_CALLBACK_DATA d, char *test); + static uint32_t add_hatch(PWMF_CALLBACK_DATA d, uint32_t hatchType, U_COLORREF hatchColor); + static void enlarge_images(PWMF_CALLBACK_DATA d); + static int in_images(PWMF_CALLBACK_DATA d, char *test); + static uint32_t add_dib_image(PWMF_CALLBACK_DATA d, const char *dib, uint32_t iUsage); + static uint32_t add_bm16_image(PWMF_CALLBACK_DATA d, U_BITMAP16 Bm16, const char *px); + + static void enlarge_clips(PWMF_CALLBACK_DATA d); + static int in_clips(PWMF_CALLBACK_DATA d, const char *test); + static void add_clips(PWMF_CALLBACK_DATA d, const char *clippath, unsigned int logic); + + static void output_style(PWMF_CALLBACK_DATA d); + static double _pix_x_to_point(PWMF_CALLBACK_DATA d, double px); + static double _pix_y_to_point(PWMF_CALLBACK_DATA d, double py); + static double pix_to_x_point(PWMF_CALLBACK_DATA d, double px, double py); + static double pix_to_y_point(PWMF_CALLBACK_DATA d, double px, double py); + static double pix_to_abs_size(PWMF_CALLBACK_DATA d, double px); + static std::string pix_to_xy(PWMF_CALLBACK_DATA d, double x, double y); + static void select_brush(PWMF_CALLBACK_DATA d, int index); + static void select_font(PWMF_CALLBACK_DATA d, int index); + static void select_pen(PWMF_CALLBACK_DATA d, int index); + static int insertable_object(PWMF_CALLBACK_DATA d); + static void delete_object(PWMF_CALLBACK_DATA d, int index); + static int insert_object(PWMF_CALLBACK_DATA d, int type, const char *record); + static uint32_t *unknown_chars(size_t count); + static void common_dib_to_image(PWMF_CALLBACK_DATA d, const char *dib, + double dx, double dy, double dw, double dh, int sx, int sy, int sw, int sh, uint32_t iUsage); + static void common_bm16_to_image(PWMF_CALLBACK_DATA d, U_BITMAP16 Bm16, const char *px, + double dx, double dy, double dw, double dh, int sx, int sy, int sw, int sh); + static int myMetaFileProc(const char *contents, unsigned int length, PWMF_CALLBACK_DATA d); + static void free_wmf_strings(WMF_STRINGS name); + +}; + +} } } /* namespace Inkscape, Extension, Implementation */ + + +#endif /* EXTENSION_INTERNAL_WMF_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 : |