bundles/org.simantics.scenegraph/src/org/simantics/scenegraph/g2d/nodes/TextNode.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
   3  * in Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.scenegraph.g2d.nodes;
  13
  14 import java.awt.Color;\r
  15 import java.awt.Font;\r
  16 import java.awt.FontMetrics;\r
  17 import java.awt.Graphics2D;\r
  18 import java.awt.geom.AffineTransform;\r
  19 import java.awt.geom.Point2D;\r
  20 import java.awt.geom.Rectangle2D;\r
  21 import java.io.IOException;\r
  22 \r
  23 import org.simantics.scenegraph.ExportableWidget.OutputWidget;\r
  24 import org.simantics.scenegraph.g2d.G2DNode;\r
  25 import org.simantics.scenegraph.g2d.G2DPDFRenderingHints;\r
  26 \r
  27 import com.lowagie.text.DocumentException;\r
  28 import com.lowagie.text.Element;\r
  29 import com.lowagie.text.Rectangle;\r
  30 import com.lowagie.text.pdf.FontMapper;\r
  31 import com.lowagie.text.pdf.PdfFormField;\r
  32 import com.lowagie.text.pdf.PdfWriter;\r
  33 import com.lowagie.text.pdf.TextField;\r
  34 \r
  35 @OutputWidget("text")
  36 public class TextNode extends G2DNode {
  37
  38     private static final long serialVersionUID = 8508750881358776559L;
  39
  40     protected Rectangle2D bounds = null;
  41     protected String      text   = null;
  42     protected Font        font   = null;
  43     protected Color       color  = Color.BLACK;
  44
  45     @SyncField("bounds")
  46     public void setBounds(Rectangle2D bounds) {
  47         this.bounds = bounds;
  48     }
  49
  50     @SyncField("font")
  51     public void setFont(Font font) {
  52         this.font = font;
  53     }
  54
  55     @SyncField("text")
  56     public void setText(String text) {
  57         this.text = text;
  58     }
  59
  60     public String getText() {\r
  61         return this.text;\r
  62     }\r
  63 \r
  64     @SyncField("color")
  65     public void setColor(Color color) {
  66         this.color = color;
  67     }
  68
  69     @Override
  70     public void render(Graphics2D g) {\r
  71         if (text == null || bounds == null || font == null || color == null)\r
  72             return;\r
  73         \r
  74 //        PdfWriter writer = (PdfWriter) g.getRenderingHint(G2DPDFRenderingHints.KEY_PDF_WRITER);\r
  75 //        if ( writer == null ) {\r
  76                 // Write to Graphics2D
  77                 g.setFont(font);
  78                 g.setColor(color);
  79
  80                 FontMetrics fm =        g.getFontMetrics(font);
  81                 Rectangle2D rect =      fm.getStringBounds(text, g);
  82                 float x = (float) ((bounds.getWidth()  - rect.getWidth())/2 + bounds.getMinX());
  83                 float y = (float) ((bounds.getHeight() - rect.getHeight())/2 + bounds.getMinY());\r
  84                 \r
  85                 AffineTransform at = g.getTransform();\r
  86                 g.transform(getTransform());
  87                 g.drawString(text, x, (float)(y+rect.getHeight()));\r
  88                 g.setTransform(at);\r
  89 //        } else {\r
  90                 /*\r
  91                         try {\r
  92                         // Write to PDF\r
  93                     FontMapper mapper = (FontMapper) g.getRenderingHint(G2DPDFRenderingHints.KEY_PDF_FONTMAPPER);\r
  94                     //text.setBorderStyle(PdfBorderDictionary.STYLE_BEVELED);\r
  95                     AffineTransform at = g.getTransform();\r
  96                         FontMetrics fm =        g.getFontMetrics(font);\r
  97                         Rectangle2D rect =      fm.getStringBounds(text, g);\r
  98                         float x = (float) ((bounds.getWidth()  - rect.getWidth())/2 + bounds.getMinX());\r
  99                         float y = (float) ((bounds.getHeight() - rect.getHeight())/2 + bounds.getMinY());\r
 100                         \r
 101                     Point2D pt1 = at.transform(new Point2D.Float(x, y+(float)rect.getHeight()), null);\r
 102                     Point2D pt2 = at.transform(new Point2D.Float(x+(float)rect.getWidth(), y), null);\r
 103                         Rectangle rectangle = new Rectangle(\r
 104                                         (float) pt1.getX(), \r
 105                                         (float) pt1.getY(), \r
 106                                         (float) pt2.getX(), \r
 107                                         (float) pt2.getY()); \r
 108                     TextField text = new TextField(writer, rectangle, "approvedBy");\r
 109                     text.setText(this.text);\r
 110                     text.setFont(mapper.awtToPdf(font));\r
 111                     text.setFontSize(0);\r
 112                     text.setAlignment(Element.ALIGN_LEFT);\r
 113                     text.setRotation(90);\r
 114                     text.setOptions(TextField.READ_ONLY);\r
 115                     PdfFormField field = text.getTextField();\r
 116                     writer.addAnnotation(field);\r
 117                         } catch (IOException e) {\r
 118                                 e.printStackTrace();\r
 119                         } catch (DocumentException e) {\r
 120                                 e.printStackTrace();\r
 121                         }\r
 122                 */\r
 123 //        }
 124     }
 125
 126 //    @Override
 127 //    public Rectangle2D getBoundsInLocal() {
 128 //        return bounds;
 129 //    }\r
 130     \r
 131     @Override\r
 132     public Rectangle2D getBoundsInLocal() {\r
 133         return bounds;\r
 134     }\r
 135     \r
 136     @Override\r
 137     public Rectangle2D getBounds() {\r
 138         return null;\r
 139     }\r
 140
 141 }