-
-/* turn graph into a png image */
-int gfx_render_png (gfx_canvas_t *canvas,
- art_u32 width, art_u32 height,
- gfx_color_t background, FILE *fo);
-double gfx_get_text_width_libart ( gfx_canvas_t *canvas,
- double start, char* font, double size,
- double tabwidth, char* text);
-