| /* | |
| * Copyright (c) 1997, 2024, 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.Rectangle; | |
| import java.awt.Transparency; | |
| import java.awt.geom.AffineTransform; | |
| import java.awt.image.ColorModel; | |
| import java.awt.image.DirectColorModel; | |
| import java.awt.image.VolatileImage; | |
| import java.awt.image.WritableRaster; | |
| import sun.awt.image.OffScreenImage; | |
| import sun.awt.image.SunVolatileImage; | |
| import sun.awt.image.SurfaceManager; | |
| import sun.awt.windows.WComponentPeer; | |
| import sun.java2d.SurfaceData; | |
| import sun.java2d.loops.CompositeType; | |
| import sun.java2d.loops.RenderLoops; | |
| import sun.java2d.loops.SurfaceType; | |
| 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 | |
| { | |
| private final Win32GraphicsDevice device; | |
| 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.device = (Win32GraphicsDevice)device; | |
| this.visual = visualnum; | |
| ((Win32GraphicsDevice)device).addDisplayChangedListener(this); | |
| } | |
| /** | |
| * Return the graphics device associated with this configuration. | |
| */ | |
| @Override | |
| public Win32GraphicsDevice getDevice() { | |
| return device; | |
| } | |
| /** | |
| * Return the PixelFormatIndex this GraphicsConfig uses | |
| */ | |
| public int getVisual() { | |
| return visual; | |
| } | |
| @Override | |
| public SurfaceManager.ProxyCache getSurfaceDataProxyCache() { | |
| return device.surfaceDataProxyCache; | |
| } | |
| /** | |
| * 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. | |
| */ | |
| @Override | |
| public synchronized ColorModel getColorModel() { | |
| return device.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 device.getDynamicColorModel(); | |
| } | |
| /** | |
| * Returns the color model associated with this configuration that | |
| * supports the specified transparency. | |
| */ | |
| @Override | |
| 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. | |
| */ | |
| @Override | |
| public AffineTransform getDefaultTransform() { | |
| double scaleX = device.getDefaultScaleX(); | |
| double scaleY = device.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. | |
| */ | |
| @Override | |
| 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); | |
| } | |
| @Override | |
| public String toString() { | |
| return (super.toString()+"[dev="+device+",pixfmt="+visual+"]"); | |
| } | |
| private native Rectangle getBounds(int screen); | |
| @Override | |
| public Rectangle getBounds() { | |
| return getBounds(device.getScreen()); | |
| } | |
| @Override | |
| public synchronized void displayChanged() { | |
| solidloops = null; | |
| } | |
| @Override | |
| 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 configuration, 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; | |
| } | |
| } |