Fix index out of bounds

YvesCheung · Oct 22, 2020 · a966690 · a966690
1 parent 5c03fb2
commit a966690
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/Library/src/main/java/ua/anatolii/graphics/ninepatch/NinePatchChunk.java b/Library/src/main/java/ua/anatolii/graphics/ninepatch/NinePatchChunk.java
@@ -420,11 +420,15 @@ public static void setupColors(Bitmap bitmap, int bitmapWidth, int bitmapHeight,
 		for (Div yDiv : yRegions) {
 			for (Div xDiv : xRegions) {
 				int startX = xDiv.start + 1;
+				int stopX = Math.min(xDiv.stop + 1, bitmapWidth - 1);
 				int startY = yDiv.start + 1;
-				if (hasSameColor(bitmap, startX, xDiv.stop + 1, startY, yDiv.stop + 1)) {
+				int stopY = Math.min(yDiv.stop + 1, bitmapHeight - 1);
+
+				if (hasSameColor(bitmap, startX, stopX, startY, stopY)) {
 					int pixel = bitmap.getPixel(startX, startY);
-					if (isTransparent(pixel))
+					if (isTransparent(pixel)) {
 						pixel = TRANSPARENT_COLOR;
+					}
 					out.colors[colorIndex] = pixel;
 				} else {
 					out.colors[colorIndex] = NO_COLOR;