Disable shadow casting for transparent BitmapDrawables (e222e359) · Commits · e / os / android_frameworks_base

graphics/java/android/graphics/drawable/BitmapDrawable.java

+12 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.graphics.drawable;

		import android.annotation.NonNull;
		import android.content.res.ColorStateList;
		import android.content.res.Resources;
		import android.content.res.Resources.Theme;
		@@ -27,6 +28,7 @@ import android.graphics.Canvas;
		import android.graphics.ColorFilter;
		import android.graphics.Insets;
		import android.graphics.Matrix;
		import android.graphics.Outline;
		import android.graphics.Paint;
		import android.graphics.PixelFormat;
		import android.graphics.PorterDuff;
		@@ -597,6 +599,16 @@ public class BitmapDrawable extends Drawable {
		mOpticalInsets = Insets.of(left, top, right, bottom);
		}

		@Override
		public void getOutline(@NonNull Outline outline) {
		super.getOutline(outline);
		if (mBitmapState.mBitmap.hasAlpha()) {
		// Bitmaps with alpha can't report a non-0 alpha,
		// since they may not fill their rectangular bounds
		outline.setAlpha(0.0f);
		}
		}

		@Override
		public void setAlpha(int alpha) {
		final int oldAlpha = mBitmapState.mPaint.getAlpha();