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-rw-r--r--FrameRender/P_Circle.c20
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;
+}