1 files changed, 33 insertions, 0 deletions
diff --git a/src/mask.cpp b/src/mask.cpp
new file mode 100644
index 0000000..b1906ac
--- /dev/null
+++ b/src/mask.cpp
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <cairo.h>
+
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
+
+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);
+  cairo_pattern_t *mask;
+
+  cairo_set_source_rgb (cr, 0, 0.5, 0);
+  cairo_paint (cr);
+
+  srand(0xdeadbeef);
+  mask = cairo_pattern_create_rgba (0, 0, 0, 0.5);
+
+  while (loops--) {
+    cairo_mask (cr, mask);
+  }
+
+  cairo_destroy (cr);
+  cairo_surface_write_to_png (surface, "mask.png");
+  cairo_surface_destroy (surface);
+  cairo_pattern_destroy (mask);
+  return 0;
+}
+