fixed empty nine patch regions stalling when using tile mode

closes #17
Ellpeck · Jan 30, 2024 · ed5c4b4 · ed5c4b4
1 parent 17b6a32
commit ed5c4b4
Showing 1 changed file with 7 additions and 5 deletions.
diff --git a/MLEM/Textures/NinePatch.cs b/MLEM/Textures/NinePatch.cs
@@ -158,11 +158,13 @@ public static void Draw(this SpriteBatch batch, NinePatch texture, RectangleF de
                         case NinePatchMode.Tile:
                             var width = src.Width * patchScale;
                             var height = src.Height * patchScale;
-                            for (var x = 0F; x < rect.Width; x += width) {
-                                for (var y = 0F; y < rect.Height; y += height) {
-                                    var size = new Vector2(Math.Min(rect.Width - x, width), Math.Min(rect.Height - y, height));
-                                    var srcSize = (size / patchScale).CeilCopy().ToPoint();
-                                    batch.Draw(texture.Region.Texture, new RectangleF(rect.Location + new Vector2(x, y), size), new Rectangle(src.X, src.Y, srcSize.X, srcSize.Y), color, rotation, origin, effects, layerDepth);
+                            if (width > 0 && height > 0) {
+                                for (var x = 0F; x < rect.Width; x += width) {
+                                    for (var y = 0F; y < rect.Height; y += height) {
+                                        var size = new Vector2(Math.Min(rect.Width - x, width), Math.Min(rect.Height - y, height));
+                                        var srcSize = (size / patchScale).CeilCopy().ToPoint();
+                                        batch.Draw(texture.Region.Texture, new RectangleF(rect.Location + new Vector2(x, y), size), new Rectangle(src.X, src.Y, srcSize.X, srcSize.Y), color, rotation, origin, effects, layerDepth);
+                                    }
                                 }
                             }
                             break;