1 files changed, 26 insertions, 0 deletions
diff --git a/FrameRender/P_Checker.c b/FrameRender/P_Checker.c
new file mode 100644
index 0000000..74862f0
--- /dev/null
+++ b/FrameRender/P_Checker.c
@@ -0,0 +1,26 @@
+#include "P_Checker.h"
+#include "PixelCallback.h"
+#include <stdlib.h>
+#include <string.h>
+
+void Checker_callback(Checker* self, struct PixelContext* fc) {
+	u32 x = fc->x / self->squareSize;
+	u32 y = fc->y / self->squareSize;
+
+	if ((x + y) % 2 == 0) {
+		ARGB_merge(&fc->pixel, self->colorA);
+	}
+	else {
+		ARGB_merge(&fc->pixel, self->colorB);
+	}
+}
+
+PixelCallback* Checker_setup(Checker obj) {
+	PixelCallback* pca = malloc(sizeof(struct PixelCallback));
+
+	pca->callback = (PixelCallback_callback)Checker_callback;
+	pca->callback_self = malloc(sizeof(obj));
+	memcpy(pca->callback_self, &obj, sizeof(obj));
+
+	return pca;
+}