3853N/A#ifndef EXTENSION_INTERNAL_CAIRO_RENDER_CONTEXT_H_SEEN

3853N/A#define EXTENSION_INTERNAL_CAIRO_RENDER_CONTEXT_H_SEEN

3853N/A

3853N/A

3853N/A#ifdef HAVE_CONFIG_H

3853N/A# include "config.h"

3853N/A#endif

3853N/A

3853N/A#include "extension/extension.h"

3853N/A#include <set>

3853N/A#include <string>

3853N/A

3853N/A#include <2geom/forward.h>

5035N/A

3853N/A#include "style.h"

3853N/A

3853N/A#include <cairo.h>

3853N/A

3853N/Aclass SPClipPath;

4803N/Aclass SPMask;

3853N/A

3853N/Anamespace Inkscape {

3853N/Anamespace Extension {

4141N/Anamespace Internal {

3853N/A

3853N/Aclass CairoRenderer;

3853N/Aclass CairoRenderContext;

3853N/Aclass CairoRenderState;

3853N/Aclass CairoGlyphInfo;

4141N/A

3898N/Astruct CairoGlyphInfo {

4920N/A unsigned long index;

4518N/A double x;

3853N/A double y;

3853N/A};

3853N/A

3853N/Astruct CairoRenderState {

4803N/A unsigned int merge_opacity : 1; // whether fill/stroke opacity can be mul'd with item opacity

3853N/A unsigned int need_layer : 1;

3853N/A unsigned int has_overflow : 1;

3853N/A unsigned int parent_has_userspace : 1; // whether the parent's ctm should be applied

3853N/A float opacity;

3853N/A bool has_filtereffect;

3853N/A Geom::Matrix item_transform; // this item's item->transform, for correct clipping

3853N/A

3853N/A SPClipPath *clip_path;

3853N/A SPMask* mask;

3853N/A

3853N/A Geom::Matrix transform; // the CTM

3853N/A};

3853N/A

3853N/Aclass CairoRenderContext {

3853N/A friend class CairoRenderer;

4803N/Apublic:

4803N/A CairoRenderContext *cloneMe(void) const;

3853N/A CairoRenderContext *cloneMe(double width, double height) const;

3853N/A bool finish(void);

3853N/A

3853N/A CairoRenderer *getRenderer(void) const;

3853N/A cairo_t *getCairoContext(void) const;

3853N/A

3853N/A typedef enum CairoRenderMode {

3853N/A RENDER_MODE_NORMAL,

4141N/A RENDER_MODE_CLIP

4141N/A };

4141N/A

4141N/A typedef enum CairoClipMode {

4141N/A CLIP_MODE_PATH,

4141N/A CLIP_MODE_MASK

4141N/A };

4141N/A

4141N/A bool setImageTarget(cairo_format_t format);

4141N/A bool setPdfTarget(gchar const *utf8_fn);

4518N/A bool setPsTarget(gchar const *utf8_fn);

4518N/A /** Set the cairo_surface_t from an external source */

4141N/A bool setSurfaceTarget(cairo_surface_t *surface, bool is_vector);

4141N/A

3853N/A void setPSLevel(unsigned int level);

3853N/A void setEPS(bool eps);

4920N/A unsigned int getPSLevel(void);

3853N/A void setPDFLevel(unsigned int level);

4500N/A void setTextToPath(bool texttopath);

4500N/A bool getTextToPath(void);

4500N/A void setFilterToBitmap(bool filtertobitmap);

4500N/A bool getFilterToBitmap(void);

3853N/A void setBitmapResolution(int resolution);

3853N/A int getBitmapResolution(void);

3853N/A

3853N/A /** Creates the cairo_surface_t for the context with the

3853N/A bool setupSurface(double width, double height);

3853N/A

3853N/A cairo_surface_t *getSurface(void);

3853N/A

3853N/A /** Saves the contents of the context to a PNG file. */

3853N/A bool saveAsPng(const char *file_name);

3853N/A

3853N/A /* Render/clip mode setting/query */

3853N/A void setRenderMode(CairoRenderMode mode);

3853N/A CairoRenderMode getRenderMode(void) const;

3853N/A void setClipMode(CairoClipMode mode);

3853N/A CairoClipMode getClipMode(void) const;

3853N/A

3853N/A void addPathVector(Geom::PathVector const &pv);

3853N/A void setPathVector(Geom::PathVector const &pv);

3853N/A

3853N/A void pushLayer(void);

4500N/A void popLayer(void);

4500N/A

4500N/A /* Graphics state manipulation */

4500N/A void pushState(void);

3853N/A void popState(void);

3853N/A CairoRenderState *getCurrentState(void) const;

3853N/A CairoRenderState *getParentState(void) const;

3853N/A void setStateForStyle(SPStyle const *style);

3853N/A

3853N/A void transform(Geom::Matrix const *transform);

3853N/A void setTransform(Geom::Matrix const *transform);

3853N/A void getTransform(Geom::Matrix *copy) const;

3853N/A void getParentTransform(Geom::Matrix *copy) const;

3853N/A

3853N/A /* Clipping methods */

3853N/A void addClipPath(Geom::PathVector const &pv, SPIEnum const *fill_rule);

3853N/A void addClippingRect(double x, double y, double width, double height);

3853N/A

3853N/A /* Rendering methods */

3853N/A bool renderPathVector(Geom::PathVector const & pathv, SPStyle const *style, NRRect const *pbox);

3853N/A bool renderPath(const_NRBPath const *bpath, SPStyle const *style, NRRect const *pbox);

3853N/A bool renderImage(unsigned char *px, unsigned int w, unsigned int h, unsigned int rs,

3858N/A Geom::Matrix const *image_transform, SPStyle const *style);

3853N/A bool renderGlyphtext(PangoFont *font, Geom::Matrix const *font_matrix,

3853N/A std::vector<CairoGlyphInfo> const &glyphtext, SPStyle const *style);

3853N/A

3853N/A /* More general rendering methods will have to be added (like fill, stroke) */

3853N/A

3853N/Aprotected:

3853N/A CairoRenderContext(CairoRenderer *renderer);

3853N/A virtual ~CairoRenderContext(void);

3858N/A

3853N/A float _width;

3853N/A float _height;

3853N/A unsigned short _dpi;

3853N/A unsigned int _pdf_level;

3853N/A unsigned int _ps_level;

3853N/A bool _eps;

3853N/A bool _is_texttopath;

3853N/A bool _is_filtertobitmap;

3853N/A int _bitmapresolution;

3853N/A

3853N/A FILE *_stream;

3853N/A

3853N/A unsigned int _is_valid : 1;

3853N/A unsigned int _vector_based_target : 1;

3853N/A

3853N/A cairo_t *_cr;

3853N/A cairo_surface_t *_surface;

3853N/A cairo_surface_type_t _target;

3853N/A cairo_format_t _target_format;

3853N/A PangoLayout *_layout;

3853N/A

3853N/A unsigned int _clip_rule : 8;

3853N/A unsigned int _clip_winding_failed : 1;

4060N/A

4060N/A GSList *_state_stack;

4060N/A CairoRenderState *_state; // the current state

4060N/A

4060N/A CairoRenderer *_renderer;

4803N/A

4060N/A CairoRenderMode _render_mode;

4060N/A CairoClipMode _clip_mode;

4060N/A

4060N/A cairo_pattern_t *_createPatternForPaintServer(SPPaintServer const *const paintserver,

4060N/A NRRect const *pbox, float alpha);

4060N/A cairo_pattern_t *_createPatternPainter(SPPaintServer const *const paintserver, NRRect const *pbox);

4060N/A

4060N/A unsigned int _showGlyphs(cairo_t *cr, PangoFont *font, std::vector<CairoGlyphInfo> const &glyphtext, bool is_stroke);

4060N/A

4060N/A bool _finishSurfaceSetup(cairo_surface_t *surface);

4803N/A void _setFillStyle(SPStyle const *style, NRRect const *pbox);

4060N/A void _setStrokeStyle(SPStyle const *style, NRRect const *pbox);

4060N/A

4060N/A void _initCairoMatrix(cairo_matrix_t *matrix, Geom::Matrix const *transform);

4060N/A void _concatTransform(cairo_t *cr, double xx, double yx, double xy, double yy, double x0, double y0);

4060N/A void _concatTransform(cairo_t *cr, Geom::Matrix const *transform);

3853N/A

3853N/A CairoRenderState *_createState(void);

3853N/A};

4803N/A

3853N/A} /* namespace Internal */

3853N/A} /* namespace Extension */

3853N/A} /* namespace Inkscape */

3853N/A

3853N/A#endif /* !EXTENSION_INTERNAL_CAIRO_RENDER_CONTEXT_H_SEEN */

3853N/A

4803N/A