1 files changed, 55 insertions, 0 deletions
diff --git a/AnimationObject.c b/AnimationObject.c
new file mode 100644
index 0000000..af3798b
--- /dev/null
+++ b/AnimationObject.c
@@ -0,0 +1,55 @@
+#include "AnimationObject.h"
+#include <math.h>
+
+ARGB
+AO_CheckerPattern(const Animation* anim, u32 frameIndex, ARGB pixel, i32 r, i32 c, void* priv) {
+	struct AO_CheckerPattern chp = *(struct AO_CheckerPattern*)priv;
+
+	r /= chp.squareSize;
+	c /= chp.squareSize;
+
+	if ((r + c) % 2 == 0) {
+		ARGB_set(&pixel, 0xFF000000);
+	}
+	else {
+		ARGB_set(&pixel, 0xFFFF00FF);
+	}
+
+	return pixel;
+}
+
+ARGB
+AO_Square(const Animation* anim, u32 frameIndex, ARGB pixel, i32 r, i32 c, void* priv) {
+	struct AO_SquareSettings* set = (struct AO_SquareSettings*)priv;
+
+	if (0 <= r && r <= set->width && 0 <= c && c <= set->height) {
+		ARGB_set(&pixel, set->color);
+	}
+
+	return pixel;
+}
+
+ARGB
+AO_Image(const Animation* anim, u32 frameIndex, ARGB pixel, i32 r, i32 c, void* priv) {
+	struct AO_Image img = *(struct AO_Image*)priv;
+
+	if (img.noRepeat == true &&
+		(c < 0 || img.img.width * img.zoom <= c ||
+		 r < 0 || img.img.height * img.zoom <= r))
+	{
+		return pixel;
+	}
+
+	return *RGBImage_at(*(RGBImage*)priv, r / img.zoom, c / img.zoom);
+}
+
+ARGB
+AO_Line(const Animation* anim, u32 frameIndex, ARGB pixel, i32 r, i32 c, void* priv) {
+	struct AO_Line l = *(struct AO_Line*)priv;
+
+	if (fabs(l.a * c + l.b * r + l.c) / sqrt(l.a * l.a + l.b * l.b) < l.width) {
+		ARGB_set(&pixel, l.color);
+	}
+
+	return pixel;
+}