src2/fr/orsay/lri/varna/models/export/SwingGraphics.java

   1 package fr.orsay.lri.varna.models.export;
   2
   3 import java.awt.BasicStroke;
   4 import java.awt.Color;
   5 import java.awt.Dimension;
   6 import java.awt.Font;
   7 import java.awt.FontMetrics;
   8 import java.awt.Graphics2D;
   9 import java.awt.Shape;
  10 import java.awt.Stroke;
  11 import java.awt.geom.Arc2D.Double;
  12 import java.awt.geom.Ellipse2D;
  13 import java.awt.geom.GeneralPath;
  14 import java.awt.geom.Rectangle2D;
  15
  16 public class SwingGraphics implements VueVARNAGraphics {
  17         private BasicStroke _dashedStroke;
  18         private BasicStroke _plainStroke;
  19         Graphics2D _g2d;
  20         private boolean _debug = false;
  21
  22
  23         public SwingGraphics(Graphics2D g2d)
  24         {
  25                 _g2d = g2d;
  26                 float[] dash = { 5.0f, 5.0f };
  27                 _dashedStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,    BasicStroke.JOIN_ROUND, 3.0f, dash, 0);
  28                 _plainStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,     BasicStroke.JOIN_ROUND, 3.0f);
  29         }
  30
  31         public Dimension getStringDimension(String s) {
  32                 FontMetrics fm = _g2d.getFontMetrics();
  33                 Rectangle2D r = fm.getStringBounds(s, _g2d);
  34                 return (new Dimension((int) r.getWidth(), (int) fm.getAscent()
  35                                 - fm.getDescent()));
  36         }
  37
  38         public void drawStringCentered(String res, double x,
  39                         double y) {
  40                 Dimension d = getStringDimension(res);
  41                 x -= (double) d.width / 2.0;
  42                 y += (double) d.height / 2.0;
  43                 if (_debug)
  44                 {
  45                     Stroke bck = _g2d.getStroke();
  46                     _g2d.setStroke(_plainStroke);
  47                     _g2d.draw(new Rectangle2D.Double(x, y - d.height, d.width, d.height));
  48                     _g2d.setStroke(bck);
  49                 }
  50                 _g2d.drawString(res, (float) (x), (float) (y));
  51         }
  52
  53         public void draw(GeneralPath s) {
  54                 _g2d.draw(s);
  55         }
  56
  57         public void drawArc(double x, double y, double rx, double ry,
  58                         double angleStart, double angleEnd) {
  59                 _g2d.drawArc((int) (x-rx/2.), (int) (y-ry/2.), (int) rx, (int) ry, (int) angleStart, (int) angleEnd);
  60         }
  61
  62         public void drawLine(double x1, double y1, double x2, double y2) {
  63                 _g2d.drawLine((int)x1, (int)y1, (int)x2, (int)y2);
  64         }
  65
  66         public void drawCircle(double x, double y, double r) {
  67                 _g2d.draw(new Ellipse2D.Double(x, y, r, r));
  68         }
  69
  70         public void drawRect(double x, double y, double w, double h) {
  71                 _g2d.drawRect((int)x, (int)y, (int)w, (int)h);
  72         }
  73
  74         public void drawRoundRect(double x, double y, double w, double h,
  75                         double rx, double ry) {
  76                 _g2d.drawRoundRect((int)x, (int)y, (int)w, (int)h, (int)rx, (int)ry);
  77         }
  78
  79         public void drawString(String s, double x, double y) {
  80                 _g2d.drawString(s, (float)x, (float)y);
  81         }
  82
  83         public void fill(GeneralPath s) {
  84                 _g2d.fill(s);
  85         }
  86
  87         public void fillCircle(double x, double y, double r) {
  88                 _g2d.fill(new Ellipse2D.Double(x, y, r, r));
  89         }
  90
  91         public void fillRect(double x, double y, double w, double h) {
  92                 _g2d.fill(new Rectangle2D.Double(x, y, w, h));
  93         }
  94
  95         public void fillRoundRect(double x, double y, double w, double h,
  96                         double rx, double ry) {
  97                 _g2d.fillRoundRect((int)x, (int)y, (int)w, (int)h, (int)rx, (int)ry);
  98         }
  99
 100         public Color getColor() {
 101                 return _g2d.getColor();
 102         }
 103
 104         public void setColor(Color c) {
 105                 _g2d.setColor(c);
 106         }
 107
 108         public void setSelectionStroke() {
 109                 _g2d.setStroke(_dashedStroke);
 110         }
 111
 112         public void setFont(Font f) {
 113                 _g2d.setFont(f);
 114         }
 115
 116         public void setPlainStroke() {
 117                 _g2d.setStroke(_plainStroke);
 118         }
 119
 120         private BasicStroke deriveStroke(BasicStroke s, double t)
 121         {
 122                 return new BasicStroke((float)t, s.getEndCap(), s.getLineJoin(), s.getMiterLimit(), s.getDashArray(), s.getDashPhase()) ;
 123         }
 124
 125         public void setStrokeThickness(double t) {
 126                 boolean dashed = (_g2d.getStroke()==_dashedStroke);
 127                 _plainStroke = deriveStroke(_plainStroke, t);
 128                 //_dashedStroke = deriveStroke(_dashedStroke, t);
 129                 if(dashed)
 130                 {  _g2d.setStroke(_dashedStroke); }
 131                 else
 132                 { _g2d.setStroke(_plainStroke); }
 133         }
 134
 135 }