1 files changed, 50 insertions, 0 deletions
diff --git a/test/source/mkmodebase.c b/test/source/mkmodebase.c
new file mode 100644
index 0000000..3e5c656
--- /dev/null
+++ b/test/source/mkmodebase.c
@@ -0,0 +1,50 @@
+/* This program is written by Henning Makholm, and is in the
+ * public domain.
+ */
+
+#define TEST_IMAGE_WIDTH 64
+#define TEST_IMAGE_HEIGHT 64
+
+void
+makepixel(int x,int y,int *r,int *g,int *b,int *a) {
+  if( y < 3 || y >= 61 ) {
+    *a = 0 ;
+    return ;
+  }
+  if( x < 3 || x >= 61 ||
+      y < 6 || y >= 58 ) {
+    *r=*g=*b=*a=255 ;
+    return ;
+  }
+  if( x < 6 || x >= 58 )  {
+    *a=0 ;
+    return ;
+  }
+  x -= 6 ;
+  if( x <= 17 ) {
+    *a = x*15 ;
+    *r = 255 ;
+    *g = 0 ;
+    *b = 17*7 ;
+    return ;
+  }
+  *a = 255 ;
+  x -= 17 ;
+  if( x <= 17 ) {
+    *r = 255 ;
+    *g = x*15 ;
+    *b = (17-x)*7 ;
+    return ;
+  }
+  x -= 17 ;
+  if( x <= 17 ) {
+    *r = (17-x)*15 ;
+    *g = 255 ;
+    *b = x*15 ;
+    return ;
+  }
+  *r=255 ;
+  *g=*b=0 ;
+}
+
+#include "mkbase.i"