/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/**
* @author Alexey A. Petrenko
*/
package org.apache.harmony.awt.gl.windows;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.ImageCapabilities;
import java.awt.image.BufferedImage;
import java.awt.image.ImageObserver;
import org.apache.harmony.awt.gl.GLVolatileImage;
import org.apache.harmony.awt.gl.Surface;
import org.apache.harmony.awt.gl.windows.BitmapSurface;
import org.apache.harmony.awt.internal.nls.Messages;
import org.apache.harmony.awt.wtk.NativeWindow;
/**
* Volatile image for Windows
*
*/
public class WinVolatileImage extends GLVolatileImage {
private final long hwnd;
long gi;
private final int width;
private final int height;
Surface surface;
private WinGraphicsConfiguration gc = null;
/***************************************************************************
*
* Constructors
*
***************************************************************************/
public WinVolatileImage(NativeWindow nw, int width, int height) {
if (width <= 0 || height <= 0) {
// awt.19=Illegal size of volatile image.
throw new IllegalArgumentException(Messages.getString("awt.19")); //$NON-NLS-1$
}
hwnd = nw.getId();
this.width = width;
this.height = height;
if(WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(hwnd, width, height);
else
gi = WinGDIPGraphics2D.createCompatibleImageInfo(hwnd, width, height);
surface = new BitmapSurface(gi , width, height);
}
public WinVolatileImage(WinGraphicsConfiguration gc, int width, int height) {
if (width <= 0 || height <= 0) {
// awt.19=Illegal size of volatile image.
throw new IllegalArgumentException(Messages.getString("awt.19")); //$NON-NLS-1$
}
hwnd = 0;
this.gc = gc;
this.width = width;
this.height = height;
if(WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(((WinGraphicsDevice)gc.getDevice()).getIDBytes(), width, height);
else
gi = WinGDIPGraphics2D.createCompatibleImageInfo(((WinGraphicsDevice)gc.getDevice()).getIDBytes(), width, height);
surface = new BitmapSurface(gi , width, height);
}
@Override
public boolean contentsLost() {
return gi == 0;
}
@Override
public Graphics2D createGraphics() {
if (gi == 0) {
if (hwnd != 0 && gc == null) {
if(WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(hwnd, width, height);
else
gi = WinGDIPGraphics2D.createCompatibleImageInfo(hwnd, width, height);
} else if (hwnd == 0 && gc != null) {
if(WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(((WinGraphicsDevice)gc.getDevice()).getIDBytes(), width, height);
else
gi = WinGDIPGraphics2D.createCompatibleImageInfo(((WinGraphicsDevice)gc.getDevice()).getIDBytes(), width, height);
}
}
if(WinGraphicsDevice.useGDI)
return new WinGDIGraphics2D(this, width, height);
return new WinGDIPGraphics2D(this, width, height);
}
@Override
public ImageCapabilities getCapabilities() {
return new ImageCapabilities(false);
}
@Override
public int getHeight() {
return height;
}
@Override
public BufferedImage getSnapshot() {
return null;
}
@Override
public int getWidth() {
return width;
}
@Override
public int validate(GraphicsConfiguration gc) {
if (gi != 0) {
return IMAGE_OK;
}
if(WinGraphicsDevice.useGDI)
gi = WinGDIGraphics2D.createCompatibleImageInfo(((WinGraphicsDevice)gc.getDevice()).getIDBytes(), width, height);
else
gi = WinGDIPGraphics2D.createCompatibleImageInfo(((WinGraphicsDevice)gc.getDevice()).getIDBytes(), width, height);
return IMAGE_RESTORED;
}
@Override
public Object getProperty(String name, ImageObserver observer) {
return UndefinedProperty;
}
@Override
public int getWidth(ImageObserver observer) {
return width;
}
@Override
public int getHeight(ImageObserver observer) {
return height;
}
@Override
protected void finalize() throws Throwable {
flush();
super.finalize();
}
@Override
public Surface getImageSurface(){
return surface;
}
@Override
public void flush() {
if (gi != 0) {
if(WinGraphicsDevice.useGDI)
WinGDIGraphics2D.disposeGraphicsInfo(gi);
else
WinGDIPGraphics2D.disposeGraphicsInfo(gi);
gi = 0;
}
if (surface != null) surface.dispose();
super.flush();
}
long getHWND(){
return hwnd;
}
WinGraphicsConfiguration getGraphicsConfiguration(){
return gc;
}
}