Merge "Default dual tone alpha set to 0.3" into rvc-qpr-dev

This commit is contained in:
Jay Aliomer
2020-11-03 19:40:22 +00:00
committed by Android (Google) Code Review
2 changed files with 35 additions and 1 deletions

View File

@@ -14,6 +14,9 @@ import android.content.res.Resources;
import android.content.res.TypedArray;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.ColorMatrix;
import android.graphics.ColorMatrixColorFilter;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.location.LocationManager;
@@ -302,6 +305,36 @@ public class Utils {
return drawable;
}
/**
* Create a color matrix suitable for a ColorMatrixColorFilter that modifies only the color but
* preserves the alpha for a given drawable
* @param color
* @return a color matrix that uses the source alpha and given color
*/
public static ColorMatrix getAlphaInvariantColorMatrixForColor(@ColorInt int color) {
int r = Color.red(color);
int g = Color.green(color);
int b = Color.blue(color);
ColorMatrix cm = new ColorMatrix(new float[] {
0, 0, 0, 0, r,
0, 0, 0, 0, g,
0, 0, 0, 0, b,
0, 0, 0, 1, 0 });
return cm;
}
/**
* Create a ColorMatrixColorFilter to tint a drawable but retain its alpha characteristics
*
* @return a ColorMatrixColorFilter which changes the color of the output but is invariant on
* the source alpha
*/
public static ColorFilter getAlphaInvariantColorFilterForColor(@ColorInt int color) {
return new ColorMatrixColorFilter(getAlphaInvariantColorMatrixForColor(color));
}
/**
* Determine whether a package is a "system package", in which case certain things (like
* disabling notifications or disabling the package altogether) should be disallowed.

View File

@@ -108,6 +108,7 @@ open class ThemedBatteryDrawable(private val context: Context, frameColor: Int)
private val fillColorStrokePaint = Paint(Paint.ANTI_ALIAS_FLAG).also { p ->
p.color = frameColor
p.alpha = 255
p.isDither = true
p.strokeWidth = 5f
p.style = Paint.Style.STROKE
@@ -145,7 +146,7 @@ open class ThemedBatteryDrawable(private val context: Context, frameColor: Int)
// Only used if dualTone is set to true
private val dualToneBackgroundFill = Paint(Paint.ANTI_ALIAS_FLAG).also { p ->
p.color = frameColor
p.alpha = 255
p.alpha = 85 // ~0.3 alpha by default
p.isDither = true
p.strokeWidth = 0f
p.style = Paint.Style.FILL_AND_STROKE