mirror of git://gcc.gnu.org/git/gcc.git
135 lines
3.8 KiB
Java
135 lines
3.8 KiB
Java
/* GLGraphics.java -- Graphics2D impl on top of GLX
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Copyright (C) 2006 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.awt.peer.x;
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import java.awt.Color;
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import java.awt.GraphicsConfiguration;
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import java.awt.Rectangle;
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import java.awt.image.ColorModel;
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import java.util.Map;
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import gnu.java.awt.java2d.AbstractGraphics2D;
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import gnu.x11.extension.glx.GL;
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/**
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* An implementation of Graphics2D on top of the GLX extension of X.
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*
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* @author Roman Kennke (kennke@aicas.com)
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*/
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public class GLGraphics extends AbstractGraphics2D
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{
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/**
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* The rendering context.
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*/
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private GL gl;
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/**
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* Creates a new GLGraphics that paints on the specified GL context.
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*
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* @param g the GL context to paint to
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*/
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GLGraphics(GL g)
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{
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gl = g;
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}
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public void setBackground(Color b)
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{
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super.setBackground(b);
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gl.clearColor(b.getRed() / 255.F, b.getGreen() / 255.F,
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b.getBlue() / 255.F, b.getAlpha() / 255.F);
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}
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public void clearRect(int x, int y, int w, int h)
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{
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// TODO: Maybe use fillRect().
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gl.clear(GL.COLOR_BUFFER_BIT);
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}
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public void drawLine(int x1, int y1, int x2, int y2)
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{
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gl.begin(GL.LINES);
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gl.vertex2i(x1, y1);
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gl.vertex2i(x2, y2);
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gl.end();
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// TODO: Maybe do:
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// gl.flush();
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}
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public void drawRect(int x, int y, int w, int h)
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{
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gl.polygon_mode(GL.FRONT_AND_BACK, GL.LINE);
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gl.begin(GL.POLYGON);
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gl.recti(x, y, x + w, y + h);
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gl.end();
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// TODO: Maybe do:
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// gl.flush();
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}
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public void fillRect(int x, int y, int w, int h)
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{
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gl.polygon_mode(GL.FRONT_AND_BACK, GL.FILL);
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gl.recti(x, y, x + w, y + h);
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// TODO: Maybe do:
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// gl.flush();
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}
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protected ColorModel getColorModel()
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{
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// FIXME: Implement this.
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throw new UnsupportedOperationException("Not yet implemented");
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}
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public GraphicsConfiguration getDeviceConfiguration()
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{
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// FIXME: Implement this.
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throw new UnsupportedOperationException("Not yet implemented");
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}
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@Override
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protected Rectangle getDeviceBounds()
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{
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// FIXME: not sure it's correct
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return new Rectangle(0, 0,
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gl.display.default_screen.width,
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gl.display.default_screen.height);
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}
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}
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