feat: Add Checker, Image, Circle; properly handle transparency

1 files changed, 20 insertions, 0 deletions

diff --git a/FrameRender/P_Circle.c b/FrameRender/P_Circle.c
new file mode 100644
index 0000000..421904d
--- /dev/null
+++ b/FrameRender/P_Circle.c
@@ -0,0 +1,20 @@
+#include "P_Circle.h"
+#include "PixelCallback.h"
+#include <stdlib.h>
+#include <string.h>
+
+void Circle_callback(Circle* self, struct PixelContext* fc) {
+	if (fc->x * fc->x + fc->y *fc->y <= self->radius * self->radius) {
+		ARGB_merge(&fc->pixel, self->color);
+	}
+}
+
+PixelCallback* Circle_setup(Circle obj) {
+	PixelCallback* pca = malloc(sizeof(struct PixelCallback));
+
+	pca->callback = (PixelCallback_callback)Circle_callback;
+	pca->callback_self = malloc(sizeof(obj));
+	memcpy(pca->callback_self, &obj, sizeof(obj));
+
+	return pca;
+}