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/*
* Copyright 2004-2007 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Sun designates this
* particular file as subject to the "Classpath" exception as provided
* by Sun in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*/
package sun.java2d.opengl;
import java.awt.Component;
import java.awt.Container;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Image;
import java.awt.Insets;
import java.awt.Rectangle;
import java.awt.Transparency;
import java.awt.image.ColorModel;
import sun.awt.windows.WComponentPeer;
import sun.java2d.SurfaceData;
import sun.java2d.loops.SurfaceType;
public abstract class WGLSurfaceData extends OGLSurfaceData {
protected WComponentPeer peer;
private WGLGraphicsConfig graphicsConfig;
private native void initOps(long pConfigInfo, long pPeerData,
int xoff, int yoff);
protected native boolean initPbuffer(long pData, long pConfigInfo,
boolean isOpaque,
int width, int height);
protected WGLSurfaceData(WComponentPeer peer, WGLGraphicsConfig gc,
ColorModel cm, int type)
{
super(gc, cm, type);
this.peer = peer;
this.graphicsConfig = gc;
long pConfigInfo = gc.getNativeConfigInfo();
long pPeerData = 0L;
int xoff = 0, yoff = 0;
if (peer != null) {
Component c = (Component)peer.getTarget();
if (c instanceof Container) {
Insets insets = ((Container)c).getInsets();
xoff = -insets.left;
yoff = -insets.bottom;
}
pPeerData = peer.getData();
}
initOps(pConfigInfo, pPeerData, xoff, yoff);
}
public GraphicsConfiguration getDeviceConfiguration() {
return graphicsConfig;
}
/**
* Creates a SurfaceData object representing the primary (front) buffer
* of an on-screen Window.
*/
public static WGLWindowSurfaceData createData(WComponentPeer peer) {
WGLGraphicsConfig gc = getGC(peer);
return new WGLWindowSurfaceData(peer, gc);
}
/**
* Creates a SurfaceData object representing the back buffer of a
* double-buffered on-screen Window.
*/
public static WGLOffScreenSurfaceData createData(WComponentPeer peer,
Image image)
{
WGLGraphicsConfig gc = getGC(peer);
Rectangle r = peer.getBounds();
return new WGLOffScreenSurfaceData(peer, gc, r.width, r.height,
image, peer.getColorModel(),
FLIP_BACKBUFFER);
}
/**
* Creates a SurfaceData object representing an off-screen buffer (either
* a Pbuffer or Texture).
*/
public static WGLOffScreenSurfaceData createData(WGLGraphicsConfig gc,
int width, int height,
ColorModel cm,
Image image, int type)
{
return new WGLOffScreenSurfaceData(null, gc, width, height,
image, cm, type);
}
public static WGLGraphicsConfig getGC(WComponentPeer peer) {
if (peer != null) {
return (WGLGraphicsConfig)peer.getGraphicsConfiguration();
} else {
// REMIND: this should rarely (never?) happen, but what if
// default config is not WGL?
GraphicsEnvironment env =
GraphicsEnvironment.getLocalGraphicsEnvironment();
GraphicsDevice gd = env.getDefaultScreenDevice();
return (WGLGraphicsConfig)gd.getDefaultConfiguration();
}
}
public static class WGLWindowSurfaceData extends WGLSurfaceData {
public WGLWindowSurfaceData(WComponentPeer peer,
WGLGraphicsConfig gc)
{
super(peer, gc, peer.getColorModel(), WINDOW);
}
public SurfaceData getReplacement() {
return peer.getSurfaceData();
}
public Rectangle getBounds() {
Rectangle r = peer.getBounds();
r.x = r.y = 0;
return r;
}
/**
* Returns destination Component associated with this SurfaceData.
*/
public Object getDestination() {
return peer.getTarget();
}
}
public static class WGLOffScreenSurfaceData extends WGLSurfaceData {
private Image offscreenImage;
private int width, height;
public WGLOffScreenSurfaceData(WComponentPeer peer,
WGLGraphicsConfig gc,
int width, int height,
Image image, ColorModel cm,
int type)
{
super(peer, gc, cm, type);
this.width = width;
this.height = height;
offscreenImage = image;
initSurface(width, height);
}
public SurfaceData getReplacement() {
return restoreContents(offscreenImage);
}
public Rectangle getBounds() {
if (type == FLIP_BACKBUFFER) {
Rectangle r = peer.getBounds();
r.x = r.y = 0;
return r;
} else {
return new Rectangle(width, height);
}
}
/**
* Returns destination Image associated with this SurfaceData.
*/
public Object getDestination() {
return offscreenImage;
}
}
}
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