diff options
Diffstat (limited to 'src/classes/com/sun/opengl/impl/windows/WindowsOffscreenGLDrawable.java')
-rw-r--r-- | src/classes/com/sun/opengl/impl/windows/WindowsOffscreenGLDrawable.java | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/src/classes/com/sun/opengl/impl/windows/WindowsOffscreenGLDrawable.java b/src/classes/com/sun/opengl/impl/windows/WindowsOffscreenGLDrawable.java deleted file mode 100644 index 474c71598..000000000 --- a/src/classes/com/sun/opengl/impl/windows/WindowsOffscreenGLDrawable.java +++ /dev/null @@ -1,134 +0,0 @@ -/* - * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: - * - * - Redistribution of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * - Redistribution in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * Neither the name of Sun Microsystems, Inc. or the names of - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * This software is provided "AS IS," without a warranty of any kind. ALL - * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, - * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A - * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN - * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR - * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR - * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR - * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR - * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE - * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, - * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF - * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. - * - * You acknowledge that this software is not designed or intended for use - * in the design, construction, operation or maintenance of any nuclear - * facility. - * - * Sun gratefully acknowledges that this software was originally authored - * and developed by Kenneth Bradley Russell and Christopher John Kline. - */ - -package com.sun.opengl.impl.windows; - -import javax.media.opengl.*; -import com.sun.opengl.impl.*; - -public class WindowsOffscreenGLDrawable extends WindowsGLDrawable { - private long origbitmap; - private long hbitmap; - // Width and height of the underlying bitmap - private int width; - private int height; - - public WindowsOffscreenGLDrawable(GLCapabilities capabilities, - GLCapabilitiesChooser chooser) { - super(capabilities, chooser); - } - - public GLContext createContext(GLContext shareWith) { - return new WindowsOffscreenGLContext(this, shareWith); - } - - public void setSize(int newWidth, int newHeight) { - width = newWidth; - height = newHeight; - if (hdc != 0) { - destroy(); - } - create(); - } - - public int getWidth() { - return width; - } - - public int getHeight() { - return height; - } - - private void create() { - BITMAPINFO info = BITMAPINFO.create(); - BITMAPINFOHEADER header = info.bmiHeader(); - int bitsPerPixel = (capabilities.getRedBits() + - capabilities.getGreenBits() + - capabilities.getBlueBits()); - header.biSize(header.size()); - header.biWidth(width); - // NOTE: negating the height causes the DIB to be in top-down row - // order rather than bottom-up; ends up being correct during pixel - // readback - header.biHeight(-1 * height); - header.biPlanes((short) 1); - header.biBitCount((short) bitsPerPixel); - header.biXPelsPerMeter(0); - header.biYPelsPerMeter(0); - header.biClrUsed(0); - header.biClrImportant(0); - header.biCompression(WGL.BI_RGB); - header.biSizeImage(width * height * bitsPerPixel / 8); - - hdc = WGL.CreateCompatibleDC(0); - if (hdc == 0) { - System.out.println("LastError: " + WGL.GetLastError()); - throw new GLException("Error creating device context for offscreen OpenGL context"); - } - hbitmap = WGL.CreateDIBSection(hdc, info, WGL.DIB_RGB_COLORS, 0, 0, 0); - if (hbitmap == 0) { - WGL.DeleteDC(hdc); - hdc = 0; - throw new GLException("Error creating offscreen bitmap of width " + width + - ", height " + height); - } - if ((origbitmap = WGL.SelectObject(hdc, hbitmap)) == 0) { - WGL.DeleteObject(hbitmap); - hbitmap = 0; - WGL.DeleteDC(hdc); - hdc = 0; - throw new GLException("Error selecting bitmap into new device context"); - } - - choosePixelFormat(false); - } - - public void destroy() { - if (hdc != 0) { - // Must destroy bitmap and device context - WGL.SelectObject(hdc, origbitmap); - WGL.DeleteObject(hbitmap); - WGL.DeleteDC(hdc); - origbitmap = 0; - hbitmap = 0; - hdc = 0; - setChosenGLCapabilities(null); - } - } -} |