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Overview - add the ability to color scrim task views.

Browse Source 
Bug: 184202238
Test: local build and flash
Change-Id: If700cb6dffc3966fe860c40d98d40a5899c236e4
This commit is contained in:
Zak Cohen
2021-04-01 10:49:12 -07:00
parent 8c3f8d3f71
commit ec4407b4ef
7 changed files with 123 additions and 61 deletions
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20
src/com/android/launcher3/Utilities.java
View File

@@ -37,6 +37,8 @@ import android.content.res.Resources;
import android.database.ContentObserver;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.LightingColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.Point;
@@ -64,6 +66,7 @@ import android.view.View;
import android.view.ViewConfiguration;
import android.view.animation.Interpolator;
import androidx.core.graphics.ColorUtils;
import androidx.core.os.BuildCompat;
import com.android.launcher3.dragndrop.FolderAdaptiveIcon;
@@ -732,6 +735,23 @@ public final class Utilities {
}
}
/**
* Make a color filter that blends a color into the destination based on a scalable amout.
*
* @param color to blend in.
* @param tintAmount [0-1] 0 no tinting, 1 full color.
* @return ColorFilter for tinting, or {@code null} if no filter is needed.
*/
public static ColorFilter makeColorTintingColorFilter(int color, float tintAmount) {
if (tintAmount == 0f) {
return null;
}
return new LightingColorFilter(
// This isn't blending in white, its making a multiplication mask for the base color
ColorUtils.blendARGB(Color.WHITE, 0, tintAmount),
ColorUtils.blendARGB(0, color, tintAmount));
}
private static class FixedSizeEmptyDrawable extends ColorDrawable {
private final int mSize;