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Support tinting blur drawable

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In order to achieve the look and feel of colored surfaces, the blur
drawable should be able to receive a color and draw it on top of the
blur region.

Test: manual
Fixes: 172372852
Change-Id: I4cab21e337ca18f617780531368ba70154027b72
This commit is contained in:
Lucas Dupin
2020-11-05 02:29:43 +00:00
parent 19188bcc25
commit 377d1337a3
1 changed files with 9 additions and 1 deletions
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10
core/java/com/android/internal/graphics/drawable/BackgroundBlurDrawable.java
View File

@@ -20,6 +20,7 @@ import android.annotation.NonNull;
import android.annotation.Nullable;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Paint;
import android.graphics.Path;
@@ -75,7 +76,8 @@ public final class BackgroundBlurDrawable extends Drawable {
private BackgroundBlurDrawable(Aggregator aggregator) {
mAggregator = aggregator;
mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
mPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC));
mPaint.setColor(Color.TRANSPARENT);
mRenderNode = new RenderNode("BackgroundBlurDrawable");
mRenderNode.addPositionUpdateListener(mPositionUpdateListener);
}
@@ -85,10 +87,16 @@ public final class BackgroundBlurDrawable extends Drawable {
if (mRectPath.isEmpty() || !isVisible() || getAlpha() == 0) {
return;
}
canvas.drawPath(mRectPath, mPaint);
canvas.drawRenderNode(mRenderNode);
}
@Override
public void setTint(int tintColor) {
mPaint.setColor(tintColor);
}
@Override
public boolean setVisible(boolean visible, boolean restart) {
boolean changed = super.setVisible(visible, restart);