draw polygon

2 files changed, 18 insertions, 0 deletions

diff --git a/lzr.c b/lzr.c
index f4434de..4e0ec7b 100644
--- a/lzr.c
+++ b/lzr.c
@@ -326,6 +326,23 @@ int LZR_DrawCircle(bool fill, int x, int y, int radius)
 	return 0;
 }
 
+int LZR_DrawPolygon(bool fill, int *vx, int *vy, int n)
+{
+	if (n > 32) {
+		dx_log_error("%d > 32", n);
+		return -1;
+	}
+	Sint16 x[32], y[32];
+	for (int i = 0; i < n; i++)
+		x[i] = vx[i], y[i] = vy[i];
+	if ((fill ? filledPolygonRGBA : polygonRGBA)(renderer, x, y, n,
+	                                             UNPACKED_COLOR, 255) < 0) {
+		dx_log_error("%s", SDL_GetError());
+		return -1;
+	}
+	return 0;
+}
+
 int LZR_DrawImage(int id, int x, int y)
 {
 	if (id < 0) {
diff --git a/lzr.h b/lzr.h
index bb9f74b..451848d 100644
--- a/lzr.h
+++ b/lzr.h
@@ -54,6 +54,7 @@ int LZR_DrawPoint(int x, int y);
 int LZR_DrawLine(int x0, int y0, int x1, int y1);
 int LZR_DrawRect(bool fill, int x, int y, int w, int h);
 int LZR_DrawCircle(bool fill, int x, int y, int radius);
+int LZR_DrawPolygon(bool fill, int *vx, int *vy, int n);
 int LZR_DrawImage(int id, int x, int y);
 int LZR_DrawImageEx(int id, int x, int y, LZR_ImageDrawSettings stg);
 int LZR_DrawTile(int id, int tile, int x, int y);