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/*
* Copyright (C) 2010 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.camera.ui;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Matrix;
import com.android.camera.Util;
public class ResourceTexture extends Texture {
private final Context mContext;
private final int mResId;
private Bitmap mBitmap;
public ResourceTexture(Context context, int resId) {
mContext = Util.checkNotNull(context);
mResId = resId;
}
@Override
protected Bitmap getBitmap() {
if (mBitmap != null) return mBitmap;
mBitmap = BitmapFactory.decodeResource(mContext.getResources(), mResId);
setSize(mBitmap.getWidth(), mBitmap.getHeight());
if (Util.isPowerOf2(mWidth) && Util.isPowerOf2(mHeight)) return mBitmap;
Bitmap oldBitmap = mBitmap;
mBitmap = generateGLCompatibleBitmap(mWidth, mHeight);
Canvas canvas = new Canvas(mBitmap);
canvas.drawBitmap(oldBitmap, new Matrix(), null);
oldBitmap.recycle();
return mBitmap;
}
@Override
public int getHeight() {
if (mHeight == UNSPECIFIED) {
getBitmap();
}
return mHeight;
}
@Override
public int getWidth() {
if (mHeight == UNSPECIFIED) {
getBitmap();
}
return mWidth;
}
@Override
protected void freeBitmap(Bitmap bitmap) {
Util.Assert(bitmap == mBitmap);
bitmap.recycle();
mBitmap = null;
}
}
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