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Diffstat (limited to 'libjava/classpath/gnu/java/awt/peer/x/XGraphics2D.java')
| -rw-r--r-- | libjava/classpath/gnu/java/awt/peer/x/XGraphics2D.java | 508 |
1 files changed, 0 insertions, 508 deletions
diff --git a/libjava/classpath/gnu/java/awt/peer/x/XGraphics2D.java b/libjava/classpath/gnu/java/awt/peer/x/XGraphics2D.java deleted file mode 100644 index 1fce2dcf781..00000000000 --- a/libjava/classpath/gnu/java/awt/peer/x/XGraphics2D.java +++ /dev/null @@ -1,508 +0,0 @@ -/* XGraphics2D.java -- A Java based Graphics2D impl for X - Copyright (C) 2006 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -package gnu.java.awt.peer.x; - -import java.awt.Color; -import java.awt.Font; -import java.awt.Graphics; -import java.awt.GraphicsConfiguration; -import java.awt.Image; -import java.awt.Paint; -import java.awt.Rectangle; -import java.awt.Shape; -import java.awt.Toolkit; -import java.awt.Transparency; -import java.awt.geom.AffineTransform; -import java.awt.image.BufferedImage; -import java.awt.image.ColorModel; -import java.awt.image.DataBuffer; -import java.awt.image.ImageObserver; -import java.awt.image.Raster; -import java.awt.peer.FontPeer; -import java.util.HashMap; -import java.util.WeakHashMap; - -import gnu.java.awt.image.AsyncImage; -import gnu.java.awt.java2d.AbstractGraphics2D; -import gnu.java.awt.java2d.ScanlineCoverage; -import gnu.x11.Colormap; -import gnu.x11.Drawable; -import gnu.x11.GC; -import gnu.x11.image.ZPixmap; - -public class XGraphics2D - extends AbstractGraphics2D -{ - - /** - * When this property is set to true, then images are always rendered as - * opaque images, ignoring their translucence. This is intended for - * debugging and demonstration purposes. - */ - private static final boolean RENDER_OPAQUE = - Boolean.getBoolean("escherpeer.renderopaque"); - - /** - * The X Drawable to draw on. - */ - private Drawable xdrawable; - - /** - * The X graphics context (GC). - */ - private GC xgc; - - /** - * Indicates if this graphics has already been disposed. - */ - private boolean disposed; - - /** - * The current foreground color, possibly null. - */ - private Color foreground; - - XGraphics2D(Drawable d) - { - super(); - xdrawable = d; - xgc = new GC(d); - init(); - disposed = false; - //setClip(new Rectangle(0, 0, xdrawable.width, xdrawable.height)); - } - - @Override - protected void rawDrawLine(int x0, int y0, int x1, int y1) - { - xdrawable.segment(xgc, x0, y0, x1, y1); - } - - @Override - protected void rawDrawRect(int x, int y, int w, int h) - { - xdrawable.rectangle(xgc, x, y, w, h, false); - } - - @Override - protected void rawFillRect(int x, int y, int w, int h) - { - xdrawable.rectangle(xgc, x, y, w, h, true); - } - - /** - * Returns the color model of this Graphics object. - * - * @return the color model of this Graphics object - */ - protected ColorModel getColorModel() - { - return Toolkit.getDefaultToolkit().getColorModel(); - } - - /** - * Returns the color model of the target device. - * - * @return the color model of the target device - */ - protected ColorModel getDestinationColorModel() - { - return Toolkit.getDefaultToolkit().getColorModel(); - } - - /** - * Returns the bounds of the target. - * - * @return the bounds of the target - */ - protected Rectangle getDeviceBounds() - { - return new Rectangle(0, 0, xdrawable.width, xdrawable.height); - } - - public GraphicsConfiguration getDeviceConfiguration() - { - // FIXME: Implement this. - throw new UnsupportedOperationException("Not yet implemented"); - } - - public void dispose() - { - if (!disposed) - { - xgc.free(); - xdrawable.display.flush(); - disposed = true; - } - } - - public Graphics create() - { - // super.create() returns a copy created by clone(), so it should - // be a XGraphics2D. - XGraphics2D copy = (XGraphics2D) super.create(); - copy.xgc = xgc.copy(); - return copy; - } - - public void setClip(Shape c) - { - super.setClip(c); - if (c instanceof Rectangle) - { - Rectangle r = (Rectangle) c; - AffineTransform t = getTransform(); - int translateX = (int) t.getTranslateX(); - //System.err.println("translateX: " + translateX); - int translateY = (int) t.getTranslateY(); - //System.err.println("translateY: " + translateY); - //System.err.println("clip: " + c); - gnu.x11.Rectangle clip = new gnu.x11.Rectangle(r.x, r.y, r.width, - r.height); - xgc.set_clip_rectangles(translateX, translateY, - new gnu.x11.Rectangle[]{clip}, GC.UN_SORTED); - } - } - - /** - * Notifies the backend that the raster has changed in the specified - * rectangular area. The raster that is provided in this method is always - * the same as the one returned in {@link #getDestinationRaster}. - * Backends that reflect changes to this raster directly don't need to do - * anything here. - * - * @param raster the updated raster, identical to the raster returned - * by {@link #getDestinationRaster()} - * @param x the upper left corner of the updated region, X coordinate - * @param y the upper lef corner of the updated region, Y coordinate - * @param w the width of the updated region - * @param h the height of the updated region - */ - protected void updateRaster(Raster raster, int x, int y, int w, int h) - { - if (w > 0 && h > 0) - { - ZPixmap zPixmap = new ZPixmap(xdrawable.display, w, h, - xdrawable.display.default_pixmap_format); - int[] pixel = null; - int x1 = x + w; - int y1 = y + h; - for (int tx = x; tx < x1; tx++) - { - for (int ty = y; ty < y1; ty++) - { - pixel = raster.getPixel(tx, ty, pixel); - //System.err.println("tx: " + tx + ", ty: " + ty + ", pixel: " + pixel[0] + ", " + pixel[1] + ", " + pixel[2]); -// System.err.print("r: " + pixel[0]); -// System.err.print(", g: " + pixel[1]); -// System.err.println(", b: " + pixel[2]); - zPixmap.set_red(tx - x, ty - y, pixel[0]); - zPixmap.set_green(tx - x, ty - y, pixel[1]); - zPixmap.set_blue(tx - x, ty - y, pixel[2]); - } - } - xdrawable.put_image(xgc, zPixmap, x, y); - } - } - - @Override - public void renderScanline(int y, ScanlineCoverage c) - { - if (y >= xdrawable.height) - return; - - // TODO: Handle Composite and Paint. - ScanlineCoverage.Iterator iter = c.iterate(); - int coverageAlpha = 0; - int maxCoverage = c.getMaxCoverage(); - while (iter.hasNext()) - { - ScanlineCoverage.Range range = iter.next(); - - coverageAlpha = range.getCoverage(); - int x0 = range.getXPos(); - int l = range.getLength(); - if (coverageAlpha == c.getMaxCoverage()) - { - // Simply paint the current color over the existing pixels. - xdrawable.fill_rectangle(xgc, x0, y, l, 1); - } - else if (coverageAlpha > 0) - { - // Composite the current color with the existing pixels. - int x1 = x0 + l; - x0 = Math.min(Math.max(0, x0), xdrawable.width - 1); - x1 = Math.min(Math.max(0, x1), xdrawable.width - 1); - if ((x1 - x0) < 1) - continue; - l = x1 - x0; - gnu.x11.image.ZPixmap existing = (ZPixmap) - xdrawable.image(x0, y, l, 1, 0xFFFFFFFF, - gnu.x11.image.Image.Format.ZPIXMAP); - for (int x = 0; x < l; x++) - { - Color col = getColor(); - if (col == null) - { - col = Color.BLACK; - } - int red = col.getRed(); - int green = col.getGreen(); - int blue = col.getBlue(); - int redOut = existing.get_red(x, 0); - int greenOut = existing.get_green(x, 0); - int blueOut = existing.get_blue(x, 0); - int outAlpha = maxCoverage - coverageAlpha; - redOut = redOut * outAlpha + red * coverageAlpha; - redOut = redOut / maxCoverage; - greenOut = greenOut * outAlpha + green * coverageAlpha; - greenOut = greenOut / maxCoverage; - blueOut = blueOut * outAlpha + blue * coverageAlpha; - blueOut = blueOut / maxCoverage; - existing.set(x, 0, redOut, greenOut, blueOut); - } - xdrawable.put_image(xgc, existing, x0, y); - } - } - } - - protected void init() - { - super.init(); - } - - public void setPaint(Paint p) - { - super.setPaint(p); - if (p instanceof Color) - { - // TODO: Optimize for different standard bit-depths. - Color c = (Color) p; - /* XToolkit tk = (XToolkit) Toolkit.getDefaultToolkit(); - HashMap colorMap = tk.colorMap; - gnu.x11.Color col = (gnu.x11.Color) colorMap.get(c); - if (col == null) - { - Colormap map = xdrawable.display.default_colormap; - col = map.alloc_color (c.getRed() * 256, - c.getGreen() * 256, - c.getBlue() * 256); - colorMap.put(c, col); - }*/ - //xgc.set_foreground(col); - - xgc.set_foreground(c.getRGB()); - foreground = c; - } - } - - protected void fillShape(Shape s, boolean isFont) - { - synchronized (xdrawable.display) { - super.fillShape(s, isFont); - } - } - - private static WeakHashMap<Image,ZPixmap> imageCache = new WeakHashMap<Image,ZPixmap>(); - - protected boolean rawDrawImage(Image image, int x, int y, ImageObserver obs) - { - image = unwrap(image); - boolean ret; - if (image instanceof XImage) - { - XImage xImage = (XImage) image; - xdrawable.copy_area(xImage.pixmap, xgc, 0, 0, xImage.getWidth(obs), - xImage.getHeight(obs), x, y); - ret = true; - } - else if (image instanceof PixmapVolatileImage) - { - PixmapVolatileImage pvi = (PixmapVolatileImage) image; - xdrawable.copy_area(pvi.getPixmap(), xgc, 0, 0, pvi.getWidth(obs), - pvi.getHeight(obs), x, y); - ret = true; - } - else if (image instanceof BufferedImage) - { - BufferedImage bi = (BufferedImage) image; - DataBuffer db = bi.getRaster().getDataBuffer(); - if (db instanceof ZPixmapDataBuffer) - { - ZPixmapDataBuffer zpmdb = (ZPixmapDataBuffer) db; - ZPixmap zpixmap = zpmdb.getZPixmap(); - xdrawable.put_image(xgc, zpixmap, x, y); - ret = true; - } - else - { - int transparency = bi.getTransparency(); - int w = bi.getWidth(); - int h = bi.getHeight(); - if (imageCache.containsKey(image)) - { - ZPixmap zpixmap = imageCache.get(image); - xdrawable.put_image(xgc, zpixmap, x, y); - } - else if (transparency == Transparency.OPAQUE || RENDER_OPAQUE) - { - XGraphicsDevice gd = XToolkit.getDefaultDevice(); - ZPixmap zpixmap = new ZPixmap(gd.getDisplay(), w, h); - for (int yy = 0; yy < h; yy++) - { - for (int xx = 0; xx < w; xx++) - { - int rgb = bi.getRGB(xx, yy); - zpixmap.set(xx, yy, rgb); - } - } - xdrawable.put_image(xgc, zpixmap, x, y); - imageCache.put(image, zpixmap); - } else { - - // TODO optimize reusing the rectangles - Rectangle source = - new Rectangle(0, 0, xdrawable.width, xdrawable.height); - Rectangle target = new Rectangle(x, y, w, h); - - Rectangle destination = source.intersection(target); - - x = destination.x; - y = destination.y; - w = destination.width; - h = destination.height; - - ZPixmap zpixmap = - (ZPixmap) xdrawable.image(x, y, w, h, - 0xffffffff, - gnu.x11.image.Image.Format.ZPIXMAP); - for (int yy = 0; yy < h; yy++) - { - for (int xx = 0; xx < w; xx++) - { - int rgb = bi.getRGB(xx, yy); - int alpha = 0xff & (rgb >> 24); - if (alpha == 0) - { - // Completely translucent. - rgb = zpixmap.get_red(xx, yy) << 16 - | zpixmap.get_green(xx, yy) << 8 - | zpixmap.get_blue(xx, yy); - } - else if (alpha < 255) - { - // Composite pixels. - int red = 0xff & (rgb >> 16); - red = red * alpha - + (255 - alpha) * zpixmap.get_red(xx, yy); - red = red / 255; - int green = 0xff & (rgb >> 8); - green = green * alpha - + (255 - alpha) * zpixmap.get_green(xx, yy); - green = green / 255; - int blue = 0xff & rgb; - blue = blue * alpha - + (255 - alpha) * zpixmap.get_blue(xx, yy); - blue = blue / 255; - rgb = red << 16 | green << 8 | blue; - } - // else keep rgb value from source image. - - zpixmap.set(xx, yy, rgb); - } - } - xdrawable.put_image(xgc, zpixmap, x, y); - // We can't cache prerendered translucent images, because - // we never know how the background changes. - } - ret = true; - } - } - else - { - ret = super.rawDrawImage(image, x, y, obs); - } - return ret; - } - - public void setFont(Font f) - { - super.setFont(f); - FontPeer p = getFont().getPeer(); - if (p instanceof XFontPeer) - { - XFontPeer xFontPeer = (XFontPeer) p; - xgc.set_font(xFontPeer.getXFont()); - } - } - - public void drawString(String s, int x, int y) - { - FontPeer p = getFont().getPeer(); - if (p instanceof XFontPeer) - { - int tx = (int) transform.getTranslateX(); - int ty = (int) transform.getTranslateY(); - xdrawable.text(xgc, x + tx, y + ty, s); - } - else - { - super.drawString(s, x, y); - } - } - - /** - * Extracts an image instance out of an AsyncImage. If the image isn't - * an AsyncImage, then the original instance is returned. - * - * @param im the image - * - * @return the image to render - */ - private Image unwrap(Image im) - { - Image image = im; - if (image instanceof AsyncImage) - { - AsyncImage aIm = (AsyncImage) image; - image = aIm.getRealImage(); - } - return image; - } - -} |