Add cairoRandomizeColor and skiaRandomizeColor

1 files changed, 18 insertions, 0 deletions

diff --git a/src/cairo-shapes.cpp b/src/cairo-shapes.cpp
index 8a0a45d..a5dd56a 100644
--- a/src/cairo-shapes.cpp
+++ b/src/cairo-shapes.cpp
@@ -1,7 +1,25 @@
 #include <config.h>
 
+#include <stdio.h>
+#include <stdlib.h>
+#include <cairo.h>
+#include <math.h>
+
 #include "cairo-shapes.h"
 
+void
+cairoRandomizeColor(caskbench_context_t *ctx)
+{
+    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 (ctx->cairo_cr, red, green, blue, alpha);
+}
+
 void cairoDrawCircle(caskbench_context_t *ctx, shapes_t *args)
 {
     cairo_arc (ctx->cairo_cr, args->centre_x, args->centre_y, args->radius, 0, 2*M_PI);