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+/* 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.Graphics;
+import java.awt.GraphicsConfiguration;
+import java.awt.Rectangle;
+import java.awt.Shape;
+import java.awt.Toolkit;
+import java.awt.geom.AffineTransform;
+import java.awt.image.ColorModel;
+import java.awt.image.Raster;
+
+import gnu.java.awt.java2d.AbstractGraphics2D;
+import gnu.x11.Drawable;
+import gnu.x11.GC;
+import gnu.x11.image.ZPixmap;
+
+public class XGraphics2D
+ extends AbstractGraphics2D
+{
+
+ /**
+ * 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;
+
+ XGraphics2D(Drawable d)
+ {
+ super();
+ xdrawable = d;
+ xgc = new GC(d);
+ init();
+ disposed = false;
+ //setClip(new Rectangle(0, 0, xdrawable.width, xdrawable.height));
+ }
+
+ /**
+ * Draws a pixel in the target coordinate space using the specified color.
+ *
+ * @param x the x coordinate
+ * @param y the y coordinate
+ */
+ protected void rawSetPixel(int x, int y)
+ {
+ xdrawable.point(xgc, x, y);
+ }
+
+// protected void rawFillPolygon(double[] xpoints, double[] ypoints, int npoints)
+// {
+// Point[] points = new Point[npoints];
+// for (int n = 0; n < npoints; n++)
+// {
+// points[n] = new Point((int) xpoints[n], (int) ypoints[n]);
+// }
+// xdrawable.fill_poly(xgc, points, Drawable.COMPLEX, Drawable.ORIGIN);
+// xdrawable.display.flush();
+// }
+
+ protected void rawDrawLine(int x0, int y0, int x1, int y1)
+ {
+ xdrawable.line(xgc, x0, y0, x1, y1);
+ }
+
+ protected void rawFillRect(int x, int y, int w, int h)
+ {
+ xdrawable.rectangle(xgc, x, y, w, h, true);
+ }
+
+ protected void rawSetForeground(java.awt.Color c)
+ {
+ if (c != null)
+ xgc.set_foreground(c.getRGB());
+ }
+
+ protected void rawSetForeground(int r, int g, int b)
+ {
+ xgc.set_foreground( r << 16 | g << 8 | b );
+ }
+
+ /**
+ * 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;
+ }
+
+// /**
+// * Draws the specified image on the drawable at position (x,y).
+// */
+//
+// public boolean drawImage(Image image, int x, int y, ImageObserver observer)
+// {
+// AffineTransform transform = getTransform();
+// int translateX = (int) transform.getTranslateX();
+// int translateY = (int) transform.getTranslateY();
+// if (image instanceof XImage)
+// {
+// XImage xim = (XImage) image;
+// Pixmap pm = xim.pixmap;
+// xdrawable.copy_area(pm, xgc, 0, 0, pm.width, pm.height,
+// x + translateX, y + translateY);
+// }
+// else if (image instanceof BufferedImage)
+// {
+// BufferedImage bufferedImage = (BufferedImage) image;
+// Raster raster = bufferedImage.getData();
+// int w = bufferedImage.getWidth();
+// int h = bufferedImage.getHeight();
+// // Push data to X server.
+// ZPixmap zPixmap = new ZPixmap(xdrawable.display, w, h,
+// xdrawable.display.default_pixmap_format);
+// System.err.println("data buffer length: " + zPixmap.data.length);
+// int[] pixel = new int[4];
+// for (int tx = 0; tx < w; tx++)
+// {
+// for (int ty = 0; ty < h; ty++)
+// {
+// pixel = raster.getPixel(tx, ty, pixel);
+//// System.err.print("r: " + pixel[0]);
+//// System.err.print(", g: " + pixel[1]);
+//// System.err.println(", b: " + pixel[2]);
+// zPixmap.set_red(tx, ty, pixel[0]);
+// zPixmap.set_green(tx, ty, pixel[1]);
+// zPixmap.set_blue(tx, ty, pixel[2]);
+// }
+// }
+// xdrawable.put_image(xgc, zPixmap, x, y);
+// }
+// else
+// {
+// throw new UnsupportedOperationException("Not yet implemented.");
+// }
+// return true;
+// }
+//
+ 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);
+ }
+ }
+
+
+ protected void init()
+ {
+ super.init();
+ }
+}