gfx_color_t background, FILE *fo);
double gfx_get_text_width_libart ( gfx_canvas_t *canvas,
double start, char* font, double size,
gfx_color_t background, FILE *fo);
double gfx_get_text_width_libart ( gfx_canvas_t *canvas,
double start, char* font, double size,