Merge "Fixed NaN exceptions in EdgeEffect" into sc-dev (c5f71969) · Commits · e / os / android_frameworks_base

core/java/android/widget/EdgeEffect.java

+23 −12

Original line number	Diff line number	Diff line
		@@ -626,10 +626,20 @@ public class EdgeEffect {
		// assume rotations of increments of 90 degrees
		float x = mTmpPoints[10] - mTmpPoints[8];
		float width = right - left;
		float vecX = dampStretchVector(Math.max(-1f, Math.min(1f, x / width)));
		float vecX = 0f;
		if (width > 0) {
		vecX = dampStretchVector(Math.max(-1f, Math.min(1f, x / width)));
		}

		float y = mTmpPoints[11] - mTmpPoints[9];
		float height = bottom - top;
		float vecY = dampStretchVector(Math.max(-1f, Math.min(1f, y / height)));
		float vecY = 0f;
		if (height > 0) {
		vecY = dampStretchVector(Math.max(-1f, Math.min(1f, y / height)));
		}

		boolean hasStretchVectors = Float.compare(vecX, 0) != 0 \|\| Float.compare(vecY, 0) != 0;
		if (right > left && bottom > top && mWidth > 0 && mHeight > 0 && hasStretchVectors) {
		renderNode.stretch(
		left,
		top,
		@@ -640,6 +650,7 @@ public class EdgeEffect {
		mWidth,
		mHeight
		);
		}
		} else {
		// This is TYPE_STRETCH and drawing into a Canvas that isn't a Recording Canvas,
		// so no effect can be shown. Just end the effect.