Merge branch 'develop' into feature/JAL-3390hideUnmappedStructure

[jalview.git] / srcjar / fr / orsay / lri / varna / models / export / SwingGraphics.java

diff --git a/srcjar/fr/orsay/lri/varna/models/export/SwingGraphics.java b/srcjar/fr/orsay/lri/varna/models/export/SwingGraphics.java
new file mode 100644 (file)
index 0000000..a4bba5c
--- /dev/null
+++ b/srcjar/fr/orsay/lri/varna/models/export/SwingGraphics.java
@@ -0,0 +1,135 @@
+package fr.orsay.lri.varna.models.export;
+
+import java.awt.BasicStroke;
+import java.awt.Color;
+import java.awt.Dimension;
+import java.awt.Font;
+import java.awt.FontMetrics;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.Stroke;
+import java.awt.geom.Arc2D.Double;
+import java.awt.geom.Ellipse2D;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.Rectangle2D;
+
+public class SwingGraphics implements VueVARNAGraphics {
+       private BasicStroke _dashedStroke;
+       private BasicStroke _plainStroke;
+       Graphics2D _g2d;
+       private boolean _debug = false;
+
+       
+       public SwingGraphics(Graphics2D g2d)
+       {
+               _g2d = g2d;
+               float[] dash = { 5.0f, 5.0f };
+               _dashedStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,    BasicStroke.JOIN_ROUND, 3.0f, dash, 0);
+               _plainStroke = new BasicStroke(1.0f, BasicStroke.CAP_ROUND,     BasicStroke.JOIN_ROUND, 3.0f);
+       }
+       
+       public Dimension getStringDimension(String s) {
+               FontMetrics fm = _g2d.getFontMetrics();
+               Rectangle2D r = fm.getStringBounds(s, _g2d);
+               return (new Dimension((int) r.getWidth(), (int) fm.getAscent()
+                               - fm.getDescent()));
+       }
+
+       public void drawStringCentered(String res, double x,
+                       double y) {
+               Dimension d = getStringDimension(res);
+               x -= (double) d.width / 2.0;
+               y += (double) d.height / 2.0;
+               if (_debug)
+               {
+                   Stroke bck = _g2d.getStroke();
+                   _g2d.setStroke(_plainStroke);
+                   _g2d.draw(new Rectangle2D.Double(x, y - d.height, d.width, d.height));
+                   _g2d.setStroke(bck);
+               }
+               _g2d.drawString(res, (float) (x), (float) (y));
+       }
+
+       public void draw(GeneralPath s) {
+               _g2d.draw(s);
+       }
+
+       public void drawArc(double x, double y, double rx, double ry,
+                       double angleStart, double angleEnd) {
+               _g2d.drawArc((int) (x-rx/2.), (int) (y-ry/2.), (int) rx, (int) ry, (int) angleStart, (int) angleEnd);   
+       }
+
+       public void drawLine(double x1, double y1, double x2, double y2) {
+               _g2d.drawLine((int)x1, (int)y1, (int)x2, (int)y2);
+       }
+
+       public void drawCircle(double x, double y, double r) {
+               _g2d.draw(new Ellipse2D.Double(x, y, r, r));
+       }
+
+       public void drawRect(double x, double y, double w, double h) {
+               _g2d.drawRect((int)x, (int)y, (int)w, (int)h);
+       }
+
+       public void drawRoundRect(double x, double y, double w, double h,
+                       double rx, double ry) {
+               _g2d.drawRoundRect((int)x, (int)y, (int)w, (int)h, (int)rx, (int)ry);
+       }
+
+       public void drawString(String s, double x, double y) {
+               _g2d.drawString(s, (float)x, (float)y);
+       }
+
+       public void fill(GeneralPath s) {
+               _g2d.fill(s);
+       }
+
+       public void fillCircle(double x, double y, double r) {
+               _g2d.fill(new Ellipse2D.Double(x, y, r, r));
+       }
+
+       public void fillRect(double x, double y, double w, double h) {
+               _g2d.fill(new Rectangle2D.Double(x, y, w, h));
+       }
+
+       public void fillRoundRect(double x, double y, double w, double h,
+                       double rx, double ry) {
+               _g2d.fillRoundRect((int)x, (int)y, (int)w, (int)h, (int)rx, (int)ry);
+       }
+
+       public Color getColor() {
+               return _g2d.getColor();
+       }
+
+       public void setColor(Color c) {
+               _g2d.setColor(c);
+       }
+
+       public void setSelectionStroke() {
+               _g2d.setStroke(_dashedStroke);
+       }
+
+       public void setFont(Font f) {
+               _g2d.setFont(f);
+       }
+
+       public void setPlainStroke() {
+               _g2d.setStroke(_plainStroke);
+       }
+       
+       private BasicStroke deriveStroke(BasicStroke s, double t)
+       {
+               return new BasicStroke((float)t, s.getEndCap(), s.getLineJoin(), s.getMiterLimit(), s.getDashArray(), s.getDashPhase()) ;
+       }
+
+       public void setStrokeThickness(double t) {
+               boolean dashed = (_g2d.getStroke()==_dashedStroke); 
+               _plainStroke = deriveStroke(_plainStroke, t);
+               //_dashedStroke = deriveStroke(_dashedStroke, t);
+               if(dashed)
+               {  _g2d.setStroke(_dashedStroke); }
+               else
+               { _g2d.setStroke(_plainStroke); }
+       }
+
+}