| /* |
| * Copyright (c) 1997, 2005, 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.image; |
| |
| import java.awt.AWTException; |
| import java.awt.Component; |
| import java.awt.Graphics2D; |
| import java.awt.GraphicsConfiguration; |
| import java.awt.GraphicsDevice; |
| import java.awt.ImageCapabilities; |
| import java.awt.Rectangle; |
| import java.awt.Transparency; |
| 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; |
| |
| public class BufferedImageGraphicsConfig |
| extends GraphicsConfiguration |
| { |
| private static final int numconfigs = BufferedImage.TYPE_BYTE_BINARY; |
| private static BufferedImageGraphicsConfig configs[] = |
| new BufferedImageGraphicsConfig[numconfigs]; |
| |
| public static BufferedImageGraphicsConfig getConfig(BufferedImage bImg) { |
| BufferedImageGraphicsConfig ret; |
| int type = bImg.getType(); |
| if (type > 0 && type < numconfigs) { |
| ret = configs[type]; |
| if (ret != null) { |
| return ret; |
| } |
| } |
| ret = new BufferedImageGraphicsConfig(bImg, null); |
| if (type > 0 && type < numconfigs) { |
| configs[type] = ret; |
| } |
| return ret; |
| } |
| |
| GraphicsDevice gd; |
| ColorModel model; |
| Raster raster; |
| int width, height; |
| |
| public BufferedImageGraphicsConfig(BufferedImage bufImg, Component comp) { |
| if (comp == null) { |
| this.gd = new BufferedImageDevice(this); |
| } else { |
| Graphics2D g2d = (Graphics2D)comp.getGraphics(); |
| this.gd = g2d.getDeviceConfiguration().getDevice(); |
| } |
| this.model = bufImg.getColorModel(); |
| this.raster = bufImg.getRaster().createCompatibleWritableRaster(1, 1); |
| this.width = bufImg.getWidth(); |
| this.height = bufImg.getHeight(); |
| } |
| |
| /** |
| * Return the graphics device associated with this configuration. |
| */ |
| public GraphicsDevice getDevice() { |
| return gd; |
| } |
| |
| /** |
| * Returns a BufferedImage with channel layout and color model |
| * compatible with this graphics configuration. This method |
| * has nothing to do with memory-mapping |
| * a device. This BufferedImage has |
| * a layout and color model |
| * that is closest to this native device configuration and thus |
| * can be optimally blitted to this device. |
| */ |
| public BufferedImage createCompatibleImage(int width, int height) { |
| WritableRaster wr = raster.createCompatibleWritableRaster(width, height); |
| return new BufferedImage(model, wr, model.isAlphaPremultiplied(), null); |
| } |
| |
| /** |
| * Returns the color model associated with this configuration. |
| */ |
| public ColorModel getColorModel() { |
| return model; |
| } |
| |
| /** |
| * Returns the color model associated with this configuration that |
| * supports the specified transparency. |
| */ |
| public ColorModel getColorModel(int transparency) { |
| |
| if (model.getTransparency() == transparency) { |
| return model; |
| } |
| switch (transparency) { |
| case Transparency.OPAQUE: |
| return new DirectColorModel(24, 0xff0000, 0xff00, 0xff); |
| 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() { |
| return new AffineTransform(); |
| } |
| |
| /** |
| * |
| * 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() { |
| return new AffineTransform(); |
| } |
| |
| public Rectangle getBounds() { |
| return new Rectangle(0, 0, width, height); |
| } |
| } |