diff options
Diffstat (limited to 'src/fill.cpp')
| -rw-r--r-- | src/fill.cpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/src/fill.cpp b/src/fill.cpp new file mode 100644 index 0000000..8996a56 --- /dev/null +++ b/src/fill.cpp @@ -0,0 +1,42 @@ +#include <stdio.h> +#include <stdlib.h> +#include <cairo.h> + +#ifndef M_PI +#define M_PI 3.14159265358979323846 +#endif + +void +randomize_color(cairo_t *cr) +{ + double red, green, blue, alpha; + + red = (double)rand()/RAND_MAX; + green = (double)rand()/RAND_MAX; + blue = (double)rand()/RAND_MAX; + alpha = (double)rand()/RAND_MAX; + + cairo_set_source_rgba (cr, red, green, blue, alpha); +} + +int +main(int argc, char *argv[]) { + int i; + int loops = 128*1024; + cairo_surface_t *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 800, 80); + cairo_t *cr = cairo_create (surface); + + srand(0xdeadbeef); + cairo_arc (cr, 40, 40, 30, 0, 2*M_PI); + + while (loops--) { + randomize_color (cr); + cairo_fill_preserve (cr); + } + + cairo_destroy (cr); + cairo_surface_write_to_png (surface, "fill.png"); + cairo_surface_destroy (surface); + return 0; +} + |