Michael Jurka
83699e56be
Fixes janky transition when going from default wallpaper to another wallpaper Bug: 11278179 Change-Id: I738d1ae7bbc5e2d139a084e721b53fed9008367f
103 lines
3.2 KiB
Java
103 lines
3.2 KiB
Java
/*
|
|
* Copyright (C) 2013 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.launcher3;
|
|
|
|
import android.content.Context;
|
|
import android.graphics.Bitmap;
|
|
import android.graphics.Canvas;
|
|
import android.graphics.Rect;
|
|
import android.graphics.drawable.Drawable;
|
|
|
|
import com.android.gallery3d.glrenderer.BasicTexture;
|
|
import com.android.gallery3d.glrenderer.BitmapTexture;
|
|
import com.android.photos.views.TiledImageRenderer;
|
|
|
|
public class DrawableTileSource implements TiledImageRenderer.TileSource {
|
|
private static final int GL_SIZE_LIMIT = 2048;
|
|
// This must be no larger than half the size of the GL_SIZE_LIMIT
|
|
// due to decodePreview being allowed to be up to 2x the size of the target
|
|
public static final int MAX_PREVIEW_SIZE = GL_SIZE_LIMIT / 2;
|
|
|
|
private int mTileSize;
|
|
private int mPreviewSize;
|
|
private Drawable mDrawable;
|
|
private BitmapTexture mPreview;
|
|
|
|
public DrawableTileSource(Context context, Drawable d, int previewSize) {
|
|
mTileSize = TiledImageRenderer.suggestedTileSize(context);
|
|
mDrawable = d;
|
|
mPreviewSize = Math.min(previewSize, MAX_PREVIEW_SIZE);
|
|
}
|
|
|
|
@Override
|
|
public int getTileSize() {
|
|
return mTileSize;
|
|
}
|
|
|
|
@Override
|
|
public int getImageWidth() {
|
|
return mDrawable.getIntrinsicWidth();
|
|
}
|
|
|
|
@Override
|
|
public int getImageHeight() {
|
|
return mDrawable.getIntrinsicHeight();
|
|
}
|
|
|
|
@Override
|
|
public int getRotation() {
|
|
return 0;
|
|
}
|
|
|
|
@Override
|
|
public BasicTexture getPreview() {
|
|
if (mPreviewSize == 0) {
|
|
return null;
|
|
}
|
|
if (mPreview == null){
|
|
float width = getImageWidth();
|
|
float height = getImageHeight();
|
|
while (width > MAX_PREVIEW_SIZE || height > MAX_PREVIEW_SIZE) {
|
|
width /= 2;
|
|
height /= 2;
|
|
}
|
|
Bitmap b = Bitmap.createBitmap((int) width, (int) height, Bitmap.Config.ARGB_8888);
|
|
Canvas c = new Canvas(b);
|
|
mDrawable.setBounds(new Rect(0, 0, (int) width, (int) height));
|
|
mDrawable.draw(c);
|
|
c.setBitmap(null);
|
|
mPreview = new BitmapTexture(b);
|
|
}
|
|
return mPreview;
|
|
}
|
|
|
|
@Override
|
|
public Bitmap getTile(int level, int x, int y, Bitmap bitmap) {
|
|
int tileSize = getTileSize();
|
|
if (bitmap == null) {
|
|
bitmap = Bitmap.createBitmap(tileSize, tileSize, Bitmap.Config.ARGB_8888);
|
|
}
|
|
Canvas c = new Canvas(bitmap);
|
|
Rect bounds = new Rect(0, 0, getImageWidth(), getImageHeight());
|
|
bounds.offset(-x, -y);
|
|
mDrawable.setBounds(bounds);
|
|
mDrawable.draw(c);
|
|
c.setBitmap(null);
|
|
return bitmap;
|
|
}
|
|
}
|