| /* |
| * Copyright (c) 1997, 2009, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.awt; |
| |
| import java.awt.AWTException; |
| import java.awt.BufferCapabilities; |
| import java.awt.Component; |
| import java.awt.Graphics; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.GraphicsDevice; |
| import java.awt.GraphicsEnvironment; |
| import java.awt.Image; |
| import java.awt.ImageCapabilities; |
| import java.awt.Rectangle; |
| import java.awt.Toolkit; |
| import java.awt.Transparency; |
| import java.awt.Window; |
| import java.awt.geom.AffineTransform; |
| import java.awt.image.BufferedImage; |
| import java.awt.image.ColorModel; |
| import java.awt.image.DirectColorModel; |
| import java.awt.image.Raster; |
| import java.awt.image.VolatileImage; |
| import java.awt.image.WritableRaster; |
| |
| import sun.awt.windows.WComponentPeer; |
| import sun.awt.image.OffScreenImage; |
| import sun.awt.image.SunVolatileImage; |
| import sun.awt.image.SurfaceManager; |
| import sun.java2d.SurfaceData; |
| import sun.java2d.InvalidPipeException; |
| import sun.java2d.loops.RenderLoops; |
| import sun.java2d.loops.SurfaceType; |
| import sun.java2d.loops.CompositeType; |
| import sun.java2d.windows.GDIWindowSurfaceData; |
| |
| /** |
| * This is an implementation of a GraphicsConfiguration object for a |
| * single Win32 visual. |
| * |
| * @see GraphicsEnvironment |
| * @see GraphicsDevice |
| */ |
| public class Win32GraphicsConfig extends GraphicsConfiguration |
| implements DisplayChangedListener, SurfaceManager.ProxiedGraphicsConfig |
| { |
| protected Win32GraphicsDevice screen; |
| protected int visual; //PixelFormatID |
| protected RenderLoops solidloops; |
| |
| private static native void initIDs(); |
| |
| static { |
| initIDs(); |
| } |
| |
| /** |
| * Returns a Win32GraphicsConfiguration object with the given device |
| * and PixelFormat. Note that this method does NOT check to ensure that |
| * the returned Win32GraphicsConfig will correctly support rendering into a |
| * Java window. This method is provided so that client code can do its |
| * own checking as to the appropriateness of a particular PixelFormat. |
| * Safer access to Win32GraphicsConfigurations is provided by |
| * Win32GraphicsDevice.getConfigurations(). |
| */ |
| public static Win32GraphicsConfig getConfig(Win32GraphicsDevice device, |
| int pixFormatID) |
| { |
| return new Win32GraphicsConfig(device, pixFormatID); |
| } |
| |
| /** |
| * @deprecated as of JDK version 1.3 |
| * replaced by {@code getConfig()} |
| */ |
| @Deprecated |
| public Win32GraphicsConfig(GraphicsDevice device, int visualnum) { |
| this.screen = (Win32GraphicsDevice)device; |
| this.visual = visualnum; |
| ((Win32GraphicsDevice)device).addDisplayChangedListener(this); |
| } |
| |
| /** |
| * Return the graphics device associated with this configuration. |
| */ |
| public Win32GraphicsDevice getDevice() { |
| return screen; |
| } |
| |
| /** |
| * Return the PixelFormatIndex this GraphicsConfig uses |
| */ |
| public int getVisual() { |
| return visual; |
| } |
| |
| public Object getProxyKey() { |
| return screen; |
| } |
| |
| /** |
| * Return the RenderLoops this type of destination uses for |
| * solid fills and strokes. |
| */ |
| private SurfaceType sTypeOrig = null; |
| public synchronized RenderLoops getSolidLoops(SurfaceType stype) { |
| if (solidloops == null || sTypeOrig != stype) { |
| solidloops = SurfaceData.makeRenderLoops(SurfaceType.OpaqueColor, |
| CompositeType.SrcNoEa, |
| stype); |
| sTypeOrig = stype; |
| } |
| return solidloops; |
| } |
| |
| /** |
| * Returns the color model associated with this configuration. |
| */ |
| public synchronized ColorModel getColorModel() { |
| return screen.getColorModel(); |
| } |
| |
| /** |
| * Returns a new color model for this configuration. This call |
| * is only used internally, by images and components that are |
| * associated with the graphics device. When attributes of that |
| * device change (for example, when the device palette is updated), |
| * then this device-based color model will be updated internally |
| * to reflect the new situation. |
| */ |
| public ColorModel getDeviceColorModel() { |
| return screen.getDynamicColorModel(); |
| } |
| |
| /** |
| * Returns the color model associated with this configuration that |
| * supports the specified transparency. |
| */ |
| public ColorModel getColorModel(int transparency) { |
| switch (transparency) { |
| case Transparency.OPAQUE: |
| return getColorModel(); |
| case Transparency.BITMASK: |
| return new DirectColorModel(25, 0xff0000, 0xff00, 0xff, 0x1000000); |
| case Transparency.TRANSLUCENT: |
| return ColorModel.getRGBdefault(); |
| default: |
| return null; |
| } |
| } |
| |
| /** |
| * Returns the default Transform for this configuration. This |
| * Transform is typically the Identity transform for most normal |
| * screens. Device coordinates for screen and printer devices will |
| * have the origin in the upper left-hand corner of the target region of |
| * the device, with X coordinates |
| * increasing to the right and Y coordinates increasing downwards. |
| * For image buffers, this Transform will be the Identity transform. |
| */ |
| public AffineTransform getDefaultTransform() { |
| double scaleX = screen.getDefaultScaleX(); |
| double scaleY = screen.getDefaultScaleY(); |
| return AffineTransform.getScaleInstance(scaleX, scaleY); |
| } |
| |
| /** |
| * |
| * Returns a Transform that can be composed with the default Transform |
| * of a Graphics2D so that 72 units in user space will equal 1 inch |
| * in device space. |
| * Given a Graphics2D, g, one can reset the transformation to create |
| * such a mapping by using the following pseudocode: |
| * <pre> |
| * GraphicsConfiguration gc = g.getGraphicsConfiguration(); |
| * |
| * g.setTransform(gc.getDefaultTransform()); |
| * g.transform(gc.getNormalizingTransform()); |
| * </pre> |
| * Note that sometimes this Transform will be identity (e.g. for |
| * printers or metafile output) and that this Transform is only |
| * as accurate as the information supplied by the underlying system. |
| * For image buffers, this Transform will be the Identity transform, |
| * since there is no valid distance measurement. |
| */ |
| public AffineTransform getNormalizingTransform() { |
| Win32GraphicsEnvironment ge = (Win32GraphicsEnvironment) |
| GraphicsEnvironment.getLocalGraphicsEnvironment(); |
| double xscale = ge.getXResolution() / 72.0; |
| double yscale = ge.getYResolution() / 72.0; |
| return new AffineTransform(xscale, 0.0, 0.0, yscale, 0.0, 0.0); |
| } |
| |
| public String toString() { |
| return (super.toString()+"[dev="+screen+",pixfmt="+visual+"]"); |
| } |
| |
| private native Rectangle getBounds(int screen); |
| |
| public Rectangle getBounds() { |
| return getBounds(screen.getScreen()); |
| } |
| |
| public synchronized void displayChanged() { |
| solidloops = null; |
| } |
| |
| public void paletteChanged() {} |
| |
| /** |
| * The following methods are invoked from WComponentPeer.java rather |
| * than having the Win32-dependent implementations hardcoded in that |
| * class. This way the appropriate actions are taken based on the peer's |
| * GraphicsConfig, whether it is a Win32GraphicsConfig or a |
| * WGLGraphicsConfig. |
| */ |
| |
| /** |
| * Creates a new SurfaceData that will be associated with the given |
| * WComponentPeer. |
| */ |
| public SurfaceData createSurfaceData(WComponentPeer peer, |
| int numBackBuffers) |
| { |
| return GDIWindowSurfaceData.createData(peer); |
| } |
| |
| /** |
| * Creates a new managed image of the given width and height |
| * that is associated with the target Component. |
| */ |
| public Image createAcceleratedImage(Component target, |
| int width, int height) |
| { |
| ColorModel model = getColorModel(Transparency.OPAQUE); |
| WritableRaster wr = |
| model.createCompatibleWritableRaster(width, height); |
| return new OffScreenImage(target, model, wr, |
| model.isAlphaPremultiplied()); |
| } |
| |
| /** |
| * The following methods correspond to the multibuffering methods in |
| * WComponentPeer.java... |
| */ |
| |
| /** |
| * Checks that the requested configuration is natively supported; if not, |
| * an AWTException is thrown. |
| */ |
| public void assertOperationSupported(Component target, |
| int numBuffers, |
| BufferCapabilities caps) |
| throws AWTException |
| { |
| // the default pipeline doesn't support flip buffer strategy |
| throw new AWTException( |
| "The operation requested is not supported"); |
| } |
| |
| /** |
| * This method is called from WComponentPeer when a surface data is replaced |
| * REMIND: while the default pipeline doesn't support flipping, it may |
| * happen that the accelerated device may have this graphics config |
| * (like if the device restoration failed when one device exits fs mode |
| * while others remain). |
| */ |
| public VolatileImage createBackBuffer(WComponentPeer peer) { |
| Component target = (Component)peer.getTarget(); |
| return new SunVolatileImage(target, |
| target.getWidth(), target.getHeight(), |
| Boolean.TRUE); |
| } |
| |
| /** |
| * Performs the native flip operation for the given target Component. |
| * |
| * REMIND: we should really not get here because that would mean that |
| * a FLIP BufferStrategy has been created, and one could only be created |
| * if accelerated pipeline is present but in some rare (and transitional) |
| * cases it may happen that the accelerated graphics device may have a |
| * default graphics configuraiton, so this is just a precaution. |
| */ |
| public void flip(WComponentPeer peer, |
| Component target, VolatileImage backBuffer, |
| int x1, int y1, int x2, int y2, |
| BufferCapabilities.FlipContents flipAction) |
| { |
| if (flipAction == BufferCapabilities.FlipContents.COPIED || |
| flipAction == BufferCapabilities.FlipContents.UNDEFINED) { |
| Graphics g = peer.getGraphics(); |
| try { |
| g.drawImage(backBuffer, |
| x1, y1, x2, y2, |
| x1, y1, x2, y2, |
| null); |
| } finally { |
| g.dispose(); |
| } |
| } else if (flipAction == BufferCapabilities.FlipContents.BACKGROUND) { |
| Graphics g = backBuffer.getGraphics(); |
| try { |
| g.setColor(target.getBackground()); |
| g.fillRect(0, 0, |
| backBuffer.getWidth(), |
| backBuffer.getHeight()); |
| } finally { |
| g.dispose(); |
| } |
| } |
| // the rest of the flip actions are not supported |
| } |
| |
| @Override |
| public boolean isTranslucencyCapable() { |
| //XXX: worth checking if 8-bit? Anyway, it doesn't hurt. |
| return true; |
| } |
| } |