-/*******************************************************************************\r
- * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
- * Industry THTH ry.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * VTT Technical Research Centre of Finland - initial API and implementation\r
- *******************************************************************************/\r
-package org.simantics.utils.ui.gfx;\r
-\r
-import java.awt.Color;\r
-import java.awt.Font;\r
-import java.awt.FontMetrics;\r
-import java.awt.Graphics2D;\r
-import java.awt.RenderingHints;\r
-import java.awt.geom.Rectangle2D;\r
-import java.awt.image.BufferedImage;\r
-import java.awt.image.Raster;\r
-\r
-import org.eclipse.jface.resource.ImageDescriptor;\r
-import org.eclipse.swt.graphics.ImageData;\r
-import org.eclipse.swt.graphics.PaletteData;\r
-import org.simantics.utils.ObjectUtils;\r
-\r
-public class TextImageDescriptor extends ImageDescriptor {\r
-\r
- static final PaletteData _RGB = new PaletteData(0x00ff0000, 0x0000ff00, 0x000000ff);\r
- \r
- public String text;\r
- public int width, height;\r
- public String font;\r
- public int fontSize;\r
- public int style;\r
- public int rgb;\r
- \r
- private transient int hash;\r
- \r
- public TextImageDescriptor(String text, int width, int height, \r
- String font, int fontSize, \r
- int style, int rgb) {\r
- this.text = text;\r
- this.width = width;\r
- this.height = height;\r
- this.font = font;\r
- this.fontSize = fontSize;\r
- this.style = style;\r
- this.rgb = rgb;\r
- \r
- hash = text.hashCode() + 3*width + 5*height + 7*font.hashCode() + 11*fontSize + 13*style + 17*rgb;\r
- }\r
-\r
- @Override\r
- public ImageData getImageData() {\r
- ImageData id = new ImageData(width, height, 24, _RGB); \r
- BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);\r
- Graphics2D g = (Graphics2D) bi.getGraphics();\r
- g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);\r
- Font f = new Font(font, style, fontSize);\r
- g.setFont( f );\r
- Color c = new Color(rgb);\r
- g.setColor( c );\r
- FontMetrics fm = g.getFontMetrics(f);\r
- Rectangle2D rect = fm.getStringBounds(text, g);\r
- g.drawString(text, (float) ((width-rect.getWidth())/2), (float) ( (height/2) + (height-rect.getHeight())/2) );\r
- g.dispose(); \r
- \r
- Raster alpha = bi.getAlphaRaster(); \r
- for (int x=0; x<width; x++) {\r
- for (int y=0; y<height; y++) {\r
- int a = alpha.getSample(x, y, 0);\r
- int rgb = bi.getRGB(x, y);\r
- id.setAlpha(x, y, a);\r
- id.setPixel(x, y, rgb);\r
- }\r
- }\r
- \r
- return id;\r
- }\r
- \r
- @Override\r
- public int hashCode() {\r
- return hash;\r
- }\r
- \r
- @Override\r
- public boolean equals(Object obj) {\r
- if (obj instanceof TextImageDescriptor==false) return false;\r
- TextImageDescriptor o = (TextImageDescriptor) obj;\r
- if ( !ObjectUtils.objectEquals(text, o.text) ) return false;\r
- if ( !ObjectUtils.objectEquals(font, o.font) ) return false;\r
- return width==o.width && height==o.height && fontSize==o.fontSize && style==o.style && rgb==o.rgb;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
+ * Industry THTH ry.
+ * 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:
+ * VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.utils.ui.gfx;
+
+import java.awt.Color;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics2D;
+import java.awt.RenderingHints;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.BufferedImage;
+import java.awt.image.Raster;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.PaletteData;
+import org.simantics.utils.ObjectUtils;
+
+public class TextImageDescriptor extends ImageDescriptor {
+
+ static final PaletteData _RGB = new PaletteData(0x00ff0000, 0x0000ff00, 0x000000ff);
+
+ public String text;
+ public int width, height;
+ public String font;
+ public int fontSize;
+ public int style;
+ public int rgb;
+
+ private transient int hash;
+
+ public TextImageDescriptor(String text, int width, int height,
+ String font, int fontSize,
+ int style, int rgb) {
+ this.text = text;
+ this.width = width;
+ this.height = height;
+ this.font = font;
+ this.fontSize = fontSize;
+ this.style = style;
+ this.rgb = rgb;
+
+ hash = text.hashCode() + 3*width + 5*height + 7*font.hashCode() + 11*fontSize + 13*style + 17*rgb;
+ }
+
+ @Override
+ public ImageData getImageData(int zoom) {
+ int w = width;
+ int h = height;
+ int fs = fontSize;
+ if (zoom > 100) {
+ float s = zoom / 100.0f;
+ w = Math.round(width * s);
+ h = Math.round(height * s);
+ fs = Math.round(fontSize * s);
+ }
+ return getImageData(w, h, fs);
+ }
+
+ private ImageData getImageData(int width, int height, int fontSize) {
+ ImageData id = new ImageData(width, height, 24, _RGB);
+
+ BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+ Graphics2D g = (Graphics2D) bi.getGraphics();
+ g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+ Font f = new Font(font, style, fontSize);
+ g.setFont( f );
+ Color c = new Color(rgb);
+ g.setColor( c );
+ FontMetrics fm = g.getFontMetrics(f);
+ Rectangle2D rect = fm.getStringBounds(text, g);
+ g.drawString(text, (float) ((width-rect.getWidth())/2), (float) ( (height/2) + (height-rect.getHeight())/2) );
+ g.dispose();
+
+ Raster alpha = bi.getAlphaRaster();
+ for (int x=0; x<width; x++) {
+ for (int y=0; y<height; y++) {
+ int a = alpha.getSample(x, y, 0);
+ int rgb = bi.getRGB(x, y);
+ id.setAlpha(x, y, a);
+ id.setPixel(x, y, rgb);
+ }
+ }
+
+ return id;
+ }
+
+ @Override
+ public int hashCode() {
+ return hash;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (obj instanceof TextImageDescriptor==false) return false;
+ TextImageDescriptor o = (TextImageDescriptor) obj;
+ if ( !ObjectUtils.objectEquals(text, o.text) ) return false;
+ if ( !ObjectUtils.objectEquals(font, o.font) ) return false;
+ return width==o.width && height==o.height && fontSize==o.fontSize && style==o.style && rgb==o.rgb;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff