2 ////////////////////////////////////////////////////////////////////
5 // Written by Francois Fleuret //
6 // Contact <francois.fleuret@idiap.ch> for comments & bug reports //
9 ////////////////////////////////////////////////////////////////////
11 #ifndef CANVAS_CAIRO_H
12 #define CANVAS_CAIRO_H
19 class CanvasCairo : public Canvas {
21 cairo_surface_t *_image;
22 cairo_t *_context_resource;
25 CanvasCairo(scalar_t scale, int width, int height);
28 virtual void set_line_width(scalar_t w);
29 virtual void set_drawing_color(scalar_t r, scalar_t g, scalar_t b);
30 virtual void draw_polygon(int filled, int nb, scalar_t *x, scalar_t *y);
31 virtual void write_png(FILE *file);