SCViewer/com.minres.scviewer.databas.../src/com/minres/scviewer/database/swt/internal/CursorPainter.java

50 lines
1.4 KiB
Java

/*******************************************************************************
* Copyright (c) 2014, 2015 MINRES Technologies GmbH and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* MINRES Technologies GmbH - initial API and implementation
*******************************************************************************/
package com.minres.scviewer.database.swt.internal;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Rectangle;
public class CursorPainter implements IPainter {
/**
*
*/
private final WaveformCanvas waveCanvas;
private long time;
/**
* @param i
* @param txDisplay
*/
public CursorPainter(WaveformCanvas txDisplay, long time) {
this.waveCanvas = txDisplay;
this.time=time;
}
public long getTime() {
return time;
}
public void setTime(long time) {
this.time = time;
}
public void paintArea(GC gc, Rectangle area) {
if(this.waveCanvas.streams.size()>0){
int x = (int) (time/waveCanvas.getScaleFactor());
if(x>=area.x && x<=(area.x+area.width)){
gc.setForeground(waveCanvas.colors[WaveformCanvas.Colors.CURSOR.ordinal()]);
gc.drawLine(x, area.y, x, area.y+area.height);
}
}
}
}