1 /* 2 * Copyright (c) 2002-2008 LWJGL Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: 8 * 9 * * Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * * Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * * Neither the name of 'LWJGL' nor the names of 17 * its contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 27 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 28 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 29 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 30 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package org.lwjgl.opengl; 33 34 import java.nio.ByteBuffer; 35 36 import org.lwjgl.LWJGLException; 37 38 import java.awt.Canvas; 39 40 /** 41 * 42 * @author elias_naur <elias_naur@users.sourceforge.net> 43 * @version $Revision$ 44 * $Id$ 45 */ 46 final class WindowsAWTGLCanvasPeerInfo extends WindowsPeerInfo { 47 private final Canvas component; 48 private final AWTSurfaceLock awt_surface = new AWTSurfaceLock(); 49 private final PixelFormat pixel_format; 50 private boolean has_pixel_format; 51 WindowsAWTGLCanvasPeerInfo(Canvas component, PixelFormat pixel_format)52 WindowsAWTGLCanvasPeerInfo(Canvas component, PixelFormat pixel_format) { 53 this.component = component; 54 this.pixel_format = pixel_format; 55 } 56 doLockAndInitHandle()57 protected void doLockAndInitHandle() throws LWJGLException { 58 nInitHandle(awt_surface.lockAndGetHandle(component), getHandle()); 59 if (!has_pixel_format && pixel_format != null) { 60 // If we haven't applied a pixel format yet, do it now 61 int format = choosePixelFormat(getHdc(), component.getX(), component.getY(), pixel_format, null, true, true, false, true); 62 setPixelFormat(getHdc(), format); 63 has_pixel_format = true; 64 } 65 } nInitHandle(ByteBuffer surface_buffer, ByteBuffer peer_info_handle)66 private static native void nInitHandle(ByteBuffer surface_buffer, ByteBuffer peer_info_handle) throws LWJGLException; 67 doUnlock()68 protected void doUnlock() throws LWJGLException { 69 awt_surface.unlock(); 70 } 71 } 72