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Diffstat (limited to 'examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/TextAntialiasTab.java')
-rw-r--r-- | examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/TextAntialiasTab.java | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/TextAntialiasTab.java b/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/TextAntialiasTab.java deleted file mode 100644 index edd90d3901..0000000000 --- a/examples/org.eclipse.swt.examples/src/org/eclipse/swt/examples/graphics/TextAntialiasTab.java +++ /dev/null @@ -1,192 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2006 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 - *******************************************************************************/ - -package org.eclipse.swt.examples.graphics; - -import org.eclipse.swt.*; -import org.eclipse.swt.graphics.*; -import org.eclipse.swt.layout.*; -import org.eclipse.swt.widgets.*; - -/** - * This tab demonstrates antialiasing for text. Antialiasing is used for - * smoothing jagged edges in graphics. This tab allows the user to see the - * effects of different antialiasing values. - */ -public class TextAntialiasTab extends GraphicsTab { - - Combo aliasCombo; - static int[] aliasValues = { SWT.OFF, SWT.DEFAULT, SWT.ON }; - - Button colorButton; - Menu menu; - GraphicsBackground textColor; - String text = GraphicsExample.getResourceString("SWT"); - - -public TextAntialiasTab(GraphicsExample example) { - super(example); -} - -public String getCategory() { - return GraphicsExample.getResourceString("Antialiasing"); //$NON-NLS-1$ -} - -public String getText() { - return GraphicsExample.getResourceString("Text"); //$NON-NLS-1$ -} - -public String getDescription() { - return GraphicsExample.getResourceString("AntialiasingTextDesc"); //$NON-NLS-1$ -} - -public void dispose() { - if (menu != null) { - menu.dispose(); - menu = null; - } -} - -public void createControlPanel(Composite parent) { - - Composite comp; - - // create drop down combo for antialiasing - comp = new Composite(parent, SWT.NONE); - comp.setLayout(new GridLayout(2, false)); - new Label(comp, SWT.CENTER).setText(GraphicsExample - .getResourceString("Antialiasing")); //$NON-NLS-1$ - aliasCombo = new Combo(comp, SWT.DROP_DOWN); - aliasCombo.add("OFF"); - aliasCombo.add("DEFAULT"); - aliasCombo.add("ON"); - aliasCombo.select(0); - aliasCombo.addListener(SWT.Selection, new Listener() { - public void handleEvent(Event event) { - example.redraw(); - } - }); - - ColorMenu cm = new ColorMenu(); - cm.setColorItems(true); - menu = cm.createMenu(parent.getParent(), new ColorListener() { - public void setColor(GraphicsBackground gb) { - textColor = gb; - colorButton.setImage(gb.getThumbNail()); - example.redraw(); - } - }); - - // create color button - comp = new Composite(parent, SWT.NONE); - comp.setLayout(new GridLayout()); - - // initialize the color to black - textColor = (GraphicsBackground)menu.getItem(1).getData(); - - colorButton = new Button(comp, SWT.PUSH); - colorButton.setText(GraphicsExample.getResourceString("Color")); //$NON-NLS-1$ - colorButton.setImage(textColor.getThumbNail()); - - colorButton.addListener(SWT.Selection, new Listener() { - public void handleEvent(Event event) { - final Button button = (Button) event.widget; - final Composite parent = button.getParent(); - Rectangle bounds = button.getBounds(); - Point point = parent.toDisplay(new Point(bounds.x, bounds.y)); - menu.setLocation(point.x, point.y + bounds.height); - menu.setVisible(true); - } - }); -} - -/* (non-Javadoc) - * @see org.eclipse.swt.examples.graphics.GraphicsTab#paint(org.eclipse.swt.graphics.GC, int, int) - */ -public void paint(GC gc, int width, int height) { - if (!example.checkAdvancedGraphics()) return; - Device device = gc.getDevice(); - - if (textColor != null && textColor.getBgColor1() != null) - gc.setForeground(textColor.getBgColor1()); - - gc.setTextAntialias(aliasValues[aliasCombo.getSelectionIndex()]); - - // column 1, row 1 - Font font = new Font(device, getPlatformFontFace(0), 100, SWT.NORMAL); - gc.setFont(font); - Point size = gc.stringExtent(text); - gc.drawString(text, width/4 - size.x/2, height/4 - size.y/2, true); - font.dispose(); - - // column 1, row 2 - font = new Font(device, getPlatformFontFace(1), 100, SWT.NORMAL); - gc.setFont(font); - size = gc.stringExtent(text); - gc.drawString(text, width/4 - size.x/2, 3*height/4 - size.y/2, true); - font.dispose(); - - // column 2, row 1 - font = new Font(device, getPlatformFontFace(2), 50, SWT.NORMAL); - gc.setFont(font); - size = gc.stringExtent(text); - gc.drawString(text, (width-size.x)/2, 0, true); - font.dispose(); - - // column 2, row 2 - font = new Font(device, getPlatformFontFace(3), 100, SWT.ITALIC); - gc.setFont(font); - size = gc.stringExtent(text); - gc.drawString(text, (width-size.x)/2, (height-size.y)/2, true); - font.dispose(); - - // column 2, row 3 - font = new Font(device, getPlatformFontFace(4), 50, SWT.NORMAL); - gc.setFont(font); - size = gc.stringExtent(text); - gc.drawString(text, (width-size.x)/2, height-size.y, true); - font.dispose(); - - // column 3, row 1 - font = new Font(device, getPlatformFontFace(5), 100, SWT.NORMAL); - gc.setFont(font); - size = gc.stringExtent(text); - gc.drawString(text, 3*width/4 - size.x/2, height/4 - size.y/2, true); - font.dispose(); - - // column 3, row 2 - font = new Font(device, getPlatformFontFace(6), 100, SWT.NORMAL); - gc.setFont(font); - size = gc.stringExtent(text); - gc.drawString(text, 3*width/4 - size.x/2, 3*height/4 - size.y/2, true); - font.dispose(); -} - -/** - * Returns the name of a valid font for the host platform. - * - * @param index - * index is used to determine the appropriate font face - */ -static String getPlatformFontFace(int index) { - if(SWT.getPlatform() == "win32" || SWT.getPlatform() == "wpf") { - return new String [] {"Bookman Old Style", "Century Gothic", "Comic Sans MS", "Impact", "Garamond", "Lucida Console", "Monotype Corsiva"} [index]; - } else if (SWT.getPlatform() == "motif") { - return new String [] {"urw palladio l", "Courier", "qub", "URW Gothic L", "Times", "Lucida", "URW ChanceryL"} [index]; - } else if (SWT.getPlatform() == "gtk") { - return new String [] {"Luxi Mono", "KacstTitleL", "Baekmuk Batang", "Baekmuk Headline", "KacstFarsi", "Baekmuk Gulim", "URW Chancery L"} [index]; - } else if (SWT.getPlatform() == "carbon") { - return new String [] {"Apple Chancery", "Brush Script MT", "Comic Sans MS", "Impact", "Herculanum", "Lucida Grande", "Papyrus"} [index]; - } else { // photon, etc ... - return new String [] {"Courier", "Verdana", "Verdana", "Verdana", "Verdana", "Verdana", "Verdana"} [index]; - } -} -} |