Convert test cases from C to C++

1 files changed, 45 insertions, 0 deletions

diff --git a/src/image.cpp b/src/image.cpp
new file mode 100644
index 0000000..35e9cca
--- /dev/null
+++ b/src/image.cpp
@@ -0,0 +1,45 @@
+#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_surface_t *image;
+  cairo_t *cr = cairo_create (surface);
+
+  srand(0xdeadbeef);
+
+  image = cairo_image_surface_create_from_png ("../data/romedalen.png");
+  cairo_set_source_surface (cr, image, 0, 0);
+
+  while (loops--) {
+    cairo_paint (cr);
+  }
+
+  cairo_destroy (cr);
+  cairo_surface_write_to_png (surface, "image.png");
+  cairo_surface_destroy (surface);
+  cairo_surface_destroy (image);
+  return 0;
+}
+