ren_rect

2 files changed, 21 insertions, 1 deletions

diff --git a/render.c b/render.c
index 8e74082..9eb3af0 100644
--- a/render.c
+++ b/render.c
@@ -211,6 +211,25 @@ void ren_point(Renderer* r, Colour c, int x, int y) {
 	r->t[x + y * r->vp[0]] = c;
 }
 
+void ren_rect(Renderer* r, Colour c, const Rect* re) {
+	Rect rect = *re;
+	Colour* d;
+	int s, y, ey, ex;
+	rect_clipr(&rect, r->clip);
+	d = &r->t[rect.x + rect.y * r->vp[0]];
+	s = r->vp[0] - rect.w;
+	ex = rect.x + rect.w;
+	ey = rect.y + rect.h;
+	for (y = rect.y; y < ey; y++) {
+		int x;
+		for (x = rect.x; x < ex; x++) {
+			*d = blend(*d, c);
+			d++;
+		}
+		d += s;
+	}
+}
+
 #define imp_ren_char(chw, chh, fw, data) \
 	int i, j, k, l, ex, ey, s; \
 	Colour* dst; \
diff --git a/render.h b/render.h
index 9ce3015..b420c20 100644
--- a/render.h
+++ b/render.h
@@ -40,7 +40,7 @@ typedef struct Mesh {
 	Mesh_Vert* verts;
 } Mesh;
 
-typedef struct {
+typedef struct Renderer {
 	Colour* t;
 	int* d;
 	int asp, n;
@@ -69,6 +69,7 @@ void ren_clearc(Renderer* r, Colour c);
 void ren_cleard(Renderer* r, int depth);
 void ren_clip(Renderer* r, const Rect* c);
 void ren_point(Renderer* r, Colour c, int x, int y);
+void ren_rect(Renderer* r, Colour c, const Rect*);
 void ren_char(
 	Renderer* r,
 	Colour c,