Mercurial > projects > dwt-addons
diff 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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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/dwtx/draw2d/PrinterGraphics.d Sun Aug 03 00:52:14 2008 +0200 @@ -0,0 +1,102 @@ +/******************************************************************************* + * 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); +} + +}