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

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