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// 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 :
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