| /* ComponentGraphicsCopy.java |
| 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.gtk; |
| |
| import java.awt.Color; |
| import java.awt.Image; |
| import java.awt.Rectangle; |
| import java.awt.Shape; |
| import java.awt.font.GlyphVector; |
| import java.awt.geom.AffineTransform; |
| import java.awt.image.RenderedImage; |
| import java.awt.image.ImageObserver; |
| |
| /** |
| * Implementation of Graphics2D for Components for servers which |
| * do not have xrender. |
| * |
| * A mirrored GtkImage of the component is stored in memory |
| * and copied back. Yay. |
| */ |
| public class ComponentGraphicsCopy extends CairoSurfaceGraphics |
| { |
| private GtkComponentPeer component; |
| |
| /** |
| * GtkImage sharing its data buffer with this Cairo surface. |
| */ |
| private GtkImage gtkimage; |
| |
| private int width, height; |
| |
| native void getPixbuf( GtkComponentPeer component, GtkImage image ); |
| |
| native void copyPixbuf( GtkComponentPeer component, GtkImage image, |
| int x, int y, int w, int h ); |
| |
| public ComponentGraphicsCopy(int width, int height, |
| GtkComponentPeer component) |
| { |
| super( new CairoSurface( width, height ) ); |
| this.component = component; |
| this.width = width; |
| this.height = height; |
| gtkimage = surface.getGtkImage(); |
| getPixbuf( component, gtkimage ); |
| } |
| |
| /** |
| * Overloaded methods that do actual drawing need to enter the gdk threads |
| * and also do certain things before and after. |
| */ |
| public void draw(Shape s) |
| { |
| super.draw(s); |
| Rectangle r = s.getBounds(); |
| copyPixbuf(component, gtkimage, r.x, r.y, r.width, r.height); |
| } |
| |
| public void fill(Shape s) |
| { |
| super.fill(s); |
| Rectangle r = s.getBounds(); |
| copyPixbuf(component, gtkimage, r.x, r.y, r.width, r.height); |
| } |
| |
| public void drawRenderedImage(RenderedImage image, AffineTransform xform) |
| { |
| super.drawRenderedImage(image, xform); |
| copyPixbuf(component, gtkimage, 0, 0, width, height); |
| } |
| |
| protected boolean drawImage(Image img, AffineTransform xform, |
| Color bgcolor, ImageObserver obs) |
| { |
| boolean rv = super.drawImage(img, xform, bgcolor, obs); |
| copyPixbuf(component, gtkimage, 0, 0, width, height); |
| return rv; |
| } |
| |
| public void drawGlyphVector(GlyphVector gv, float x, float y) |
| { |
| super.drawGlyphVector(gv, x, y); |
| Rectangle r = gv.getPixelBounds(getFontRenderContext(), x , y); |
| copyPixbuf(component, gtkimage, r.x, r.y, r.width, r.height); |
| } |
| } |
| |