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Diffstat (limited to 'src/extension/internal/metafile-print.h')
| -rw-r--r-- | src/extension/internal/metafile-print.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/extension/internal/metafile-print.h b/src/extension/internal/metafile-print.h new file mode 100644 index 0000000..d828f9f --- /dev/null +++ b/src/extension/internal/metafile-print.h @@ -0,0 +1,129 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/** @file + * @brief Metafile printing - common functions + *//* + * Authors: + * Krzysztof Kosiński <tweenk.pl@gmail.com> + * + * Copyright (C) 2013 Authors + * Released under GNU GPL v2+, read the file 'COPYING' for more information. + */ + +#ifndef SEEN_INKSCAPE_EXTENSION_INTERNAL_METAFILE_PRINT_H +#define SEEN_INKSCAPE_EXTENSION_INTERNAL_METAFILE_PRINT_H + +#include <map> +#include <stack> + +#include <glibmm/ustring.h> +#include <3rdparty/libuemf/uemf.h> +#include <2geom/affine.h> +#include <2geom/pathvector.h> + +#include "extension/implementation/implementation.h" + +#include "style-enums.h" // Fill rule +#include "livarot/LivarotDefs.h" // FillRule + +class SPGradient; +class SPObject; + +namespace Inkscape { +class Pixbuf; + +namespace Extension { +namespace Internal { + +enum MFDrawMode {DRAW_PAINT, DRAW_PATTERN, DRAW_IMAGE, DRAW_LINEAR_GRADIENT, DRAW_RADIAL_GRADIENT}; + +struct FontfixParams { + double f1; //Vertical (rotating) offset factor (* font height) + double f2; //Vertical (nonrotating) offset factor (* font height) + double f3; //Horizontal (nonrotating) offset factor (* font height) +}; + +class PrintMetafile + : public Inkscape::Extension::Implementation::Implementation +{ +public: + PrintMetafile() = default; + ~PrintMetafile() override; + + bool textToPath (Inkscape::Extension::Print * ext) override; + unsigned int bind(Inkscape::Extension::Print *module, Geom::Affine const &transform, float opacity) override; + unsigned int release(Inkscape::Extension::Print *module) override; + +protected: + struct GRADVALUES { + Geom::Point p1; // center or start + Geom::Point p2; // xhandle or end + Geom::Point p3; // yhandle or unused + double r; // radius or unused + void *grad; // to access the stops information + int mode; // DRAW_LINEAR_GRADIENT or DRAW_RADIAL_GRADIENT, if GRADVALUES is valid, else any value + U_COLORREF bgc; // document background color, this is as good a place as any to keep it + float rgb[3]; // also background color, but as 0-1 float. + }; + + double _width; + double _height; + double _doc_unit_scale; // to pixels, regardless of the document units + + U_RECTL rc; + + uint32_t htextalignment; + uint32_t hpolyfillmode; // used to minimize redundant records that set this + float htextcolor_rgb[3]; // used to minimize redundant records that set this + + std::stack<Geom::Affine> m_tr_stack; + Geom::PathVector fill_pathv; + Geom::Affine fill_transform; + bool use_stroke; + bool use_fill; + bool simple_shape; + bool usebk; + + GRADVALUES gv; + + static void _lookup_ppt_fontfix(Glib::ustring const &fontname, FontfixParams &); + static U_COLORREF _gethexcolor(uint32_t color); + static uint32_t _translate_weight(unsigned inkweight); + + U_COLORREF avg_stop_color(SPGradient *gr); + U_COLORREF weight_opacity(U_COLORREF c1); + U_COLORREF weight_colors(U_COLORREF c1, U_COLORREF c2, double t); + + void hatch_classify(char *name, int *hatchType, U_COLORREF *hatchColor, U_COLORREF *bkColor); + void brush_classify(SPObject *parent, int depth, Inkscape::Pixbuf **epixbuf, int *hatchType, U_COLORREF *hatchColor, U_COLORREF *bkColor); + static void swapRBinRGBA(char *px, int pixels); + + int hold_gradient(void *gr, int mode); + static int snprintf_dots(char * s, size_t n, const char * format, ...); + static Geom::PathVector center_ellipse_as_SVG_PathV(Geom::Point ctr, double rx, double ry, double F); + static Geom::PathVector center_elliptical_ring_as_SVG_PathV(Geom::Point ctr, double rx1, double ry1, double rx2, double ry2, double F); + static Geom::PathVector center_elliptical_hole_as_SVG_PathV(Geom::Point ctr, double rx, double ry, double F); + static Geom::PathVector rect_cutter(Geom::Point ctr, Geom::Point pos, Geom::Point neg, Geom::Point width); + static FillRule SPWR_to_LVFR(SPWindRule wr); + + virtual int create_brush(SPStyle const *style, PU_COLORREF fcolor) = 0; + virtual void destroy_brush() = 0; + virtual int create_pen(SPStyle const *style, const Geom::Affine &transform) = 0; + virtual void destroy_pen() = 0; +}; + +} // namespace Internal +} // namespace Extension +} // namespace Inkscape + +#endif + +/* + 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 : |