scaledgraphic.java

java 文件下载器。可自定义

// Decompiled by Jad v1.5.8e2. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://kpdus.tripod.com/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi space 
// Source File Name:   ScaledGraphic.java

package org.gudy.azureus2.ui.swt.components.graphics;

import org.eclipse.swt.graphics.*;
import org.eclipse.swt.widgets.Canvas;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.ui.swt.mainwindow.Colors;

// Referenced classes of package org.gudy.azureus2.ui.swt.components.graphics:
//			BackGroundGraphic, Scale, ValueFormater

public class ScaledGraphic extends BackGroundGraphic
{

	protected Scale scale;
	protected ValueFormater formater;
	protected Image bufferScale;
	private int lastMax;
	private int update_divider_width;

	public ScaledGraphic(Scale scale, ValueFormater formater)
	{
		update_divider_width = 0;
		this.scale = scale;
		this.formater = formater;
	}

	public void setUpdateDividerWidth(int width)
	{
		update_divider_width = width;
	}

	protected void drawScale(boolean sizeChanged)
	{
		Rectangle bounds;
		GC gcBuffer;
		if (drawCanvas == null || drawCanvas.isDisposed() || !drawCanvas.isVisible())
			return;
		drawBackGround(sizeChanged);
		if (bufferBackground == null || bufferBackground.isDisposed())
			return;
		boolean scaleChanged = lastMax != scale.getMax();
		if (!sizeChanged && !scaleChanged && bufferScale != null)
			break MISSING_BLOCK_LABEL_386;
		bounds = drawCanvas.getClientArea();
		if (bounds.height < 30 || bounds.width < 100)
			return;
		if (bufferScale != null && !bufferScale.isDisposed())
			bufferScale.dispose();
		bufferScale = new Image(drawCanvas.getDisplay(), bounds);
		gcBuffer = new GC(bufferScale);
		gcBuffer.drawImage(bufferBackground, 0, 0);
		gcBuffer.setForeground(Colors.black);
		scale.setNbPixels(bounds.height - 16);
		int levels[] = scale.getScaleValues();
		for (int i = 0; i < levels.length; i++)
		{
			int height = bounds.height - scale.getScaledValue(levels[i]) - 2;
			gcBuffer.drawLine(1, height, bounds.width - 70, height);
			gcBuffer.drawText(formater.format(levels[i]), bounds.width - 65, height - 12, true);
		}

		if (update_divider_width > 0)
		{
			for (int i = bounds.width - 70; i > 0; i -= update_divider_width)
			{
				gcBuffer.setForeground(Colors.grey);
				gcBuffer.drawLine(i, 0, i, bounds.height);
			}

		}
		gcBuffer.dispose();
		break MISSING_BLOCK_LABEL_386;
		Exception e;
		e;
		Debug.out(e);
		gcBuffer.dispose();
		break MISSING_BLOCK_LABEL_386;
		Exception exception;
		exception;
		gcBuffer.dispose();
		throw exception;
	}

	public void dispose()
	{
		super.dispose();
		if (bufferScale != null && !bufferScale.isDisposed())
			bufferScale.dispose();
	}
}