mirror of
https://github.com/AppleCommander/AppleCommander.git
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73 lines
2.3 KiB
Java
73 lines
2.3 KiB
Java
/*
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* AppleCommander - An Apple ][ image utility.
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* Copyright (C) 2002 by Robert Greene
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* robgreene at users.sourceforge.net
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package com.webcodepro.applecommander.ui.swt.util;
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import org.eclipse.swt.SWT;
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import org.eclipse.swt.events.PaintEvent;
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import org.eclipse.swt.events.PaintListener;
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import org.eclipse.swt.graphics.GC;
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import org.eclipse.swt.graphics.Image;
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import org.eclipse.swt.graphics.Rectangle;
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import org.eclipse.swt.widgets.Canvas;
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import org.eclipse.swt.widgets.Composite;
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/**
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* Displays an image.
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* <p>
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* Date created: Nov 7, 2002 9:28:21 PM
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* @author: Rob Greene
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*/
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public class ImageCanvas extends Canvas implements PaintListener {
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private Image image;
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/**
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* Constructor for ImageCanvas.
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*/
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public ImageCanvas(Composite parent, int style, Image image, Object layoutData) {
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super(parent, style | SWT.SHELL_TRIM | SWT.NO_BACKGROUND | SWT.NO_REDRAW_RESIZE);
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this.image = image;
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setLayoutData(layoutData);
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setSize(image.getImageData().width, image.getImageData().height);
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addPaintListener(this);
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}
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/**
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* Handle paint events.
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*/
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public void paintControl(PaintEvent event) {
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GC gc = event.gc;
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gc.drawImage (image, 0, 0);
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Rectangle rect = image.getBounds ();
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Rectangle client = getClientArea();
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int marginWidth = client.width - rect.width;
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if (marginWidth > 0) {
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gc.fillRectangle (rect.width, 0, marginWidth, client.height);
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}
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int marginHeight = client.height - rect.height;
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if (marginHeight > 0) {
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gc.fillRectangle (0, rect.height, client.width, marginHeight);
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}
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}
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/**
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* Get the Image.
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*/
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public Image getImage() {
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return image;
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}
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}
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