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 #ifdef HAVE_CAIRO_PDF
22 #include "extension/extension.h"
23 #include "extension/implementation/implementation.h"
24 #include <set>
25 #include <string>
27 #include "libnr/nr-path.h"
28 #include "libnrtype/font-instance.h"
30 #include "svg/stringstream.h"
31 #include "sp-gradient.h"
33 #include <cairo.h>
35 namespace Inkscape {
36 namespace Extension {
37 namespace Internal {
39 class PrintCairoPDF : public Inkscape::Extension::Implementation::Implementation {
40 float _width;
41 float _height;
42 FILE *_stream;
43 cairo_t *cr;
44 cairo_surface_t *pdf_surface;
45 PangoLayout *_layout;
46 // PangoContext *_context;
47 std::vector<float> _alpha_stack;
48 double _last_tx, _last_ty;
50 unsigned short _dpi;
51 bool _bitmap;
53 void print_bpath(cairo_t *cr, NArtBpath const *bp);
54 cairo_pattern_t *create_pattern_for_paint(SPPaintServer const *const paintserver, NRRect const *pbox, float alpha);
56 void print_fill_style(cairo_t *cr, SPStyle const *const style, NRRect const *pbox);
57 void print_stroke_style(cairo_t *cr, SPStyle const *style, NRRect const *pbox);
59 #ifndef RENDER_WITH_PANGO_CAIRO
60 NR::Point draw_glyphs(cairo_t *cr, NR::Point p, PangoFont *font, PangoGlyphString *glyph_string,
61 bool vertical, bool stroke);
62 #endif
64 public:
65 PrintCairoPDF(void);
66 virtual ~PrintCairoPDF(void);
68 /* Print functions */
69 virtual unsigned int setup(Inkscape::Extension::Print *module);
70 /*
71 virtual unsigned int set_preview(Inkscape::Extension::Print *module);
72 */
74 virtual unsigned int begin(Inkscape::Extension::Print *module, SPDocument *doc);
75 virtual unsigned int finish(Inkscape::Extension::Print *module);
77 /* Rendering methods */
78 virtual unsigned int bind(Inkscape::Extension::Print *module, NRMatrix const *transform, float opacity);
79 virtual unsigned int release(Inkscape::Extension::Print *module);
80 virtual unsigned int comment(Inkscape::Extension::Print *module, char const *comment);
81 virtual unsigned int fill(Inkscape::Extension::Print *module, NRBPath const *bpath, NRMatrix const *ctm, SPStyle const *style,
82 NRRect const *pbox, NRRect const *dbox, NRRect const *bbox);
83 virtual unsigned int stroke(Inkscape::Extension::Print *module, NRBPath const *bpath, NRMatrix const *transform, SPStyle const *style,
84 NRRect const *pbox, NRRect const *dbox, NRRect const *bbox);
85 virtual unsigned int image(Inkscape::Extension::Print *module, unsigned char *px, unsigned int w, unsigned int h, unsigned int rs,
86 NRMatrix const *transform, SPStyle const *style);
87 virtual unsigned int text(Inkscape::Extension::Print *module, char const *text,
88 NR::Point p, SPStyle const *style);
90 bool textToPath(Inkscape::Extension::Print *ext);
91 static void init(void);
92 };
94 } /* namespace Internal */
95 } /* namespace Extension */
96 } /* namespace Inkscape */
98 #endif /* HAVE_CAIRO_PDF */
100 #endif /* !EXTENSION_INTERNAL_PDF_CAIRO_H_SEEN */
102 /*
103 Local Variables:
104 mode:c++
105 c-file-style:"stroustrup"
106 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
107 indent-tabs-mode:nil
108 fill-column:99
109 End:
110 */
111 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :