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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settingslib.widget;
import android.annotation.ColorInt;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Path;
import android.graphics.Rect;
import android.graphics.drawable.AdaptiveIconDrawable;
import android.graphics.drawable.DrawableWrapper;
import android.os.RemoteException;
import android.util.PathParser;
import android.view.IWindowManager;
import android.view.WindowManagerGlobal;
import androidx.annotation.IntDef;
import androidx.annotation.VisibleForTesting;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
/**
* Adaptive outline drawable with white plain background color and black outline
*/
public class AdaptiveOutlineDrawable extends DrawableWrapper {
private static final float ADVANCED_ICON_CENTER = 50f;
private static final float ADVANCED_ICON_RADIUS = 48f;
public static final int ICON_TYPE_DEFAULT = 0;
public static final int ICON_TYPE_ADVANCED = 1;
@Retention(RetentionPolicy.SOURCE)
@IntDef({ICON_TYPE_DEFAULT, ICON_TYPE_ADVANCED})
public @interface AdaptiveOutlineIconType {
}
@VisibleForTesting
Paint mOutlinePaint;
private Path mPath;
private int mInsetPx;
private int mStrokeWidth;
private Bitmap mBitmap;
private int mType;
public AdaptiveOutlineDrawable(Resources resources, Bitmap bitmap) {
super(new AdaptiveIconShapeDrawable(resources));
init(resources, bitmap, ICON_TYPE_DEFAULT);
}
public AdaptiveOutlineDrawable(Resources resources, Bitmap bitmap,
@AdaptiveOutlineIconType int type) {
super(new AdaptiveIconShapeDrawable(resources));
init(resources, bitmap, type);
}
private void init(Resources resources, Bitmap bitmap,
@AdaptiveOutlineIconType int type) {
mType = type;
getDrawable().setTint(Color.WHITE);
mPath = new Path(PathParser.createPathFromPathData(
resources.getString(com.android.internal.R.string.config_icon_mask)));
mStrokeWidth = resources.getDimensionPixelSize(R.dimen.adaptive_outline_stroke);
mOutlinePaint = new Paint();
mOutlinePaint.setColor(getColor(resources, type));
mOutlinePaint.setStyle(Paint.Style.STROKE);
mOutlinePaint.setStrokeWidth(mStrokeWidth);
mOutlinePaint.setAntiAlias(true);
mInsetPx = getDimensionPixelSize(resources, type);
mBitmap = bitmap;
}
private @ColorInt int getColor(Resources resources, @AdaptiveOutlineIconType int type) {
int resId;
switch (type) {
case ICON_TYPE_ADVANCED:
resId = R.color.advanced_outline_color;
break;
case ICON_TYPE_DEFAULT:
default:
resId = R.color.bt_outline_color;
break;
}
return resources.getColor(resId, /* theme */ null);
}
private int getDimensionPixelSize(Resources resources, @AdaptiveOutlineIconType int type) {
int resId;
switch (type) {
case ICON_TYPE_ADVANCED:
resId = R.dimen.advanced_dashboard_tile_foreground_image_inset;
break;
case ICON_TYPE_DEFAULT:
default:
resId = R.dimen.dashboard_tile_foreground_image_inset;
break;
}
return resources.getDimensionPixelSize(resId);
}
@Override
public void draw(Canvas canvas) {
super.draw(canvas);
final Rect bounds = getBounds();
final float pathSize = AdaptiveIconDrawable.MASK_SIZE;
final float scaleX = (bounds.right - bounds.left) / pathSize;
final float scaleY = (bounds.bottom - bounds.top) / pathSize;
final int count = canvas.save();
canvas.scale(scaleX, scaleY);
// Draw outline
if (mType == ICON_TYPE_DEFAULT) {
canvas.drawPath(mPath, mOutlinePaint);
} else {
canvas.drawCircle(ADVANCED_ICON_CENTER, ADVANCED_ICON_CENTER, ADVANCED_ICON_RADIUS,
mOutlinePaint);
}
canvas.restoreToCount(count);
// Draw the foreground icon
canvas.drawBitmap(mBitmap, bounds.left + mInsetPx, bounds.top + mInsetPx, null);
}
private static int getDefaultDisplayDensity(int displayId) {
try {
final IWindowManager wm = WindowManagerGlobal.getWindowManagerService();
return wm.getInitialDisplayDensity(displayId);
} catch (RemoteException exc) {
return -1;
}
}
@Override
public int getIntrinsicHeight() {
return mBitmap.getHeight() + 2 * mInsetPx;
}
@Override
public int getIntrinsicWidth() {
return mBitmap.getWidth() + 2 * mInsetPx;
}
}
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