1 #ifndef EXTENSION_INTERNAL_PDF_CAIRO_H_SEEN
2 #define EXTENSION_INTERNAL_PDF_CAIRO_H_SEEN
4 /** \file
5 * Declaration of PrintCairoPDF, the internal module used to do PDF printing with Cairo.
6 */
7 /*
8 * Authors:
9 * Lauris Kaplinski <lauris@kaplinski.com>
10 * Ted Gould <ted@gould.cx>
11 *
12 * Lauris' original code is in the public domain.
13 * Ted's changes are licensed under the GNU GPL.
14 */
16 #ifdef HAVE_CONFIG_H
17 # include "config.h"
18 #endif
20 #include "extension/extension.h"
21 #include "extension/implementation/implementation.h"
22 #include <set>
23 #include <string>
25 #include "libnr/nr-path.h"
26 #include "libnrtype/font-instance.h"
28 #include "svg/stringstream.h"
29 #include "sp-gradient.h"
31 #include <cairo.h>
33 namespace Inkscape {
34 namespace Extension {
35 namespace Internal {
37 class PrintCairoPDF : public Inkscape::Extension::Implementation::Implementation {
38 float _width;
39 float _height;
40 FILE *_stream;
41 cairo_t *cr;
42 cairo_surface_t *pdf_surface;
43 PangoLayout *_layout;
44 // PangoContext *_context;
45 std::vector<float> _alpha_stack;
46 double _last_tx, _last_ty;
48 unsigned short _dpi;
49 bool _bitmap;
51 void print_bpath(cairo_t *cr, NArtBpath const *bp);
52 cairo_pattern_t *create_pattern_for_paint(SPPaintServer const *const paintserver, NRRect const *pbox, float alpha);
54 void print_fill_style(cairo_t *cr, SPStyle const *const style, NRRect const *pbox);
55 void print_stroke_style(cairo_t *cr, SPStyle const *style, NRRect const *pbox);
57 #ifndef RENDER_WITH_PANGO_CAIRO
58 NR::Point draw_glyphs(cairo_t *cr, NR::Point p, PangoFont *font, PangoGlyphString *glyph_string,
59 bool vertical, bool stroke);
60 #endif
62 public:
63 PrintCairoPDF(void);
64 virtual ~PrintCairoPDF(void);
66 /* Print functions */
67 virtual unsigned int setup(Inkscape::Extension::Print *module);
68 /*
69 virtual unsigned int set_preview(Inkscape::Extension::Print *module);
70 */
72 virtual unsigned int begin(Inkscape::Extension::Print *module, SPDocument *doc);
73 virtual unsigned int finish(Inkscape::Extension::Print *module);
75 /* Rendering methods */
76 virtual unsigned int bind(Inkscape::Extension::Print *module, NRMatrix const *transform, float opacity);
77 virtual unsigned int release(Inkscape::Extension::Print *module);
78 virtual unsigned int comment(Inkscape::Extension::Print *module, char const *comment);
79 virtual unsigned int fill(Inkscape::Extension::Print *module, NRBPath const *bpath, NRMatrix const *ctm, SPStyle const *style,
80 NRRect const *pbox, NRRect const *dbox, NRRect const *bbox);
81 virtual unsigned int stroke(Inkscape::Extension::Print *module, NRBPath const *bpath, NRMatrix const *transform, SPStyle const *style,
82 NRRect const *pbox, NRRect const *dbox, NRRect const *bbox);
83 virtual unsigned int image(Inkscape::Extension::Print *module, unsigned char *px, unsigned int w, unsigned int h, unsigned int rs,
84 NRMatrix const *transform, SPStyle const *style);
85 virtual unsigned int text(Inkscape::Extension::Print *module, char const *text,
86 NR::Point p, SPStyle const *style);
88 bool textToPath(Inkscape::Extension::Print *ext);
89 static void init(void);
90 };
92 } /* namespace Internal */
93 } /* namespace Extension */
94 } /* namespace Inkscape */
97 #endif /* !EXTENSION_INTERNAL_PDF_CAIRO_H_SEEN */
99 /*
100 Local Variables:
101 mode:c++
102 c-file-style:"stroustrup"
103 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
104 indent-tabs-mode:nil
105 fill-column:99
106 End:
107 */
108 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :