/*
* File : ScaledGraphic.java
* Created : 15 d�c. 2003}
* By : Olivier
*
* Azureus - a Java Bittorrent client
*
* This program 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 of the License.
*
* This program 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 ( see the LICENSE file ).
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.gudy.azureus2.ui.swt.components.graphics;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Canvas;
import org.gudy.azureus2.core3.util.AEMonitor;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;
import com.aelitis.azureus.ui.swt.utils.ColorCache;
/**
* @author Olivier
*
*/
public class BackGroundGraphic implements Graphic {
protected Canvas drawCanvas;
protected Image bufferBackground;
protected Color lightGrey;
protected Color lightGrey2;
protected Color colorWhite;
protected AEMonitor this_mon = new AEMonitor( "BackGroundGraphic" );
public BackGroundGraphic() {
}
public void initialize(Canvas canvas) {
this.drawCanvas = canvas;
lightGrey = ColorCache.getColor(canvas.getDisplay(), 250, 250, 250);
lightGrey2 = ColorCache.getColor(canvas.getDisplay(), 233, 233, 233);
colorWhite = ColorCache.getColor(canvas.getDisplay(), 255, 255, 255);
}
public void refresh() {
}
protected void drawBackGround(boolean sizeChanged) {
if(drawCanvas == null || drawCanvas.isDisposed())
return;
if(sizeChanged || bufferBackground == null) {
Rectangle bounds = drawCanvas.getClientArea();
if(bounds.height < 30 || bounds.width < 100)
return;
if(bufferBackground != null && ! bufferBackground.isDisposed())
bufferBackground.dispose();
if(bounds.width > 10000 || bounds.height > 10000) return;
bufferBackground = new Image(drawCanvas.getDisplay(),bounds);
Color colors[] = new Color[4];
colors[0] = colorWhite;
colors[1] = lightGrey;
colors[2] = lightGrey2;
colors[3] = lightGrey;
GC gcBuffer = new GC(bufferBackground);
for(int i = 0 ; i < bounds.height - 2 ; i++) {
gcBuffer.setForeground(colors[i%4]);
gcBuffer.drawLine(1,i+1,bounds.width-1,i+1);
}
gcBuffer.setForeground(Colors.black);
gcBuffer.drawLine(bounds.width-70,0,bounds.width-70,bounds.height-1);
gcBuffer.drawRectangle(0,0,bounds.width-1,bounds.height-1);
gcBuffer.dispose();
}
}
public void dispose() {
if(bufferBackground != null && ! bufferBackground.isDisposed())
bufferBackground.dispose();
}
public void setColors(Color color1, Color color2, Color color3) {
colorWhite = color1;
lightGrey = color2;
lightGrey2 = color3;
drawCanvas.redraw();
}
}