Merge "Fix crash when shadowSize is 0" into lmp-mr1-dev (f5a99437) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/src/android/view/ShadowPainter.java

+9 −2

Original line number	Diff line number	Diff line
		@@ -34,12 +34,15 @@ public class ShadowPainter {
		* new image. This method attempts to mimic the same visual characteristics as the rectangular
		* shadow painting methods in this class, {@link #createRectangularDropShadow(java.awt.image.BufferedImage)}
		* and {@link #createSmallRectangularDropShadow(java.awt.image.BufferedImage)}.
		* <p/>
		* If shadowSize is less or equals to 1, no shadow will be painted and the source image will be
		* returned instead.
		*
		* @param source the source image
		* @param shadowSize the size of the shadow, normally {@link #SHADOW_SIZE or {@link
		* #SMALL_SHADOW_SIZE}}
		*
		* @return a new image with the shadow painted in
		* @return an image with the shadow painted in or the source image if shadowSize <= 1
		*/
		@NonNull
		public static BufferedImage createDropShadow(BufferedImage source, int shadowSize) {
		@@ -60,11 +63,15 @@ public class ShadowPainter {
		* @param shadowOpacity the opacity of the shadow, with 0=transparent and 1=opaque
		* @param shadowRgb the RGB int to use for the shadow color
		*
		* @return a new image with the source image on top of its shadow
		* @return a new image with the source image on top of its shadow when shadowSize > 0 or the
		* source image otherwise
		*/
		@SuppressWarnings({"SuspiciousNameCombination", "UnnecessaryLocalVariable"}) // Imported code
		public static BufferedImage createDropShadow(BufferedImage source, int shadowSize,
		float shadowOpacity, int shadowRgb) {
		if (shadowSize <= 0) {
		return source;
		}

		// This code is based on
		// http://www.jroller.com/gfx/entry/non_rectangular_shadow