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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.gallery3d.photoeditor;
import android.graphics.Bitmap;
/**
* Photo that holds a GL texture and all its methods must be only accessed from the GL thread.
*/
public class Photo {
private int texture;
private int width;
private int height;
/**
* Factory method to ensure every Photo instance holds a valid texture.
*/
public static Photo create(Bitmap bitmap) {
return (bitmap != null) ? new Photo(
RendererUtils.createTexture(bitmap), bitmap.getWidth(), bitmap.getHeight()) : null;
}
public static Photo create(int width, int height) {
return new Photo(RendererUtils.createTexture(), width, height);
}
private Photo(int texture, int width, int height) {
this.texture = texture;
this.width = width;
this.height = height;
}
public int texture() {
return texture;
}
public boolean matchDimension(Photo photo) {
return ((photo.width() == width()) && (photo.height() == height()));
}
public void changeDimension(int width, int height) {
this.width = width;
this.height = height;
RendererUtils.clearTexture(texture);
texture = RendererUtils.createTexture();
}
public int width() {
return width;
}
public int height() {
return height;
}
public Bitmap save() {
return RendererUtils.saveTexture(texture, width, height);
}
/**
* Clears the texture; this instance should not be used after its clear() is called.
*/
public void clear() {
RendererUtils.clearTexture(texture);
}
}
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