Mercurial > projects > dwt-addons
view dwtx/draw2d/PrinterGraphics.d @ 98:95307ad235d9
Added Draw2d code, still work in progress
author | Frank Benoit <benoit@tionex.de> |
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date | Sun, 03 Aug 2008 00:52:14 +0200 |
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/******************************************************************************* * Copyright (c) 2000, 2005 IBM Corporation 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: * IBM Corporation - initial API and implementation * Port to the D programming language: * Frank Benoit <benoit@tionex.de> *******************************************************************************/ module dwtx.draw2d.PrinterGraphics; import dwt.dwthelper.utils; import dwtx.dwtxhelper.Collection; import dwt.graphics.Font; import dwt.graphics.FontData; import dwt.graphics.Image; import dwt.printing.Printer; import dwt.widgets.Display; import dwtx.draw2d.ScaledGraphics; import dwtx.draw2d.Graphics; /** * A scalable graphics object used to print to a printer. * @author danlee */ public class PrinterGraphics : ScaledGraphics { Map imageCache; Printer printer; /** * Creates a new PrinterGraphics with Graphics g, using Printer p * @param g Graphics object to draw with * @param p Printer to print to */ public this(Graphics g, Printer p) { imageCache = new HashMap(); super(g); printer = p; } Font createFont(FontData data) { return new Font(printer, data); } private Image printerImage(Image image) { Image result = cast(Image)imageCache.get(image); if (result !is null) return result; result = new Image(printer, image.getImageData()); imageCache.put(image, result); return result; } /** * @see dwtx.draw2d.ScaledGraphics#dispose() */ public void dispose() { super.dispose(); //Dispose printer images Iterator iter = imageCache.values().iterator(); while (iter.hasNext()) { Image printerImage = (cast(Image)iter.next()); printerImage.dispose(); } imageCache.clear(); } /** * @see dwtx.draw2d.Graphics#drawImage(Image, int, int) */ public void drawImage(Image srcImage, int x, int y) { super.drawImage(printerImage(srcImage), x, y); } /** * @see Graphics#drawImage(Image, int, int, int, int, int, int, int, int) */ public void drawImage(Image srcImage, int sx, int sy, int sw, int sh, int tx, int ty, int tw, int th) { super.drawImage(printerImage(srcImage), sx, sy, sw, sh, tx, ty, tw, th); } int zoomFontHeight(int height) { return cast(int) (height * zoom * Display.getCurrent().getDPI().y / printer.getDPI().y + 0.0000001); } int zoomLineWidth(int w) { return cast(int)(w * zoom); } }