Examples of java.awt.Graphics2D.translate()

java.awt.Graphics2D.translate()
Translates the origin of the Graphics2D context to the point (x, y) in the current coordinate system. Modifies the Graphics2D context so that its new origin corresponds to the point (x, y) in the Graphics2D context's former coordinate system. All coordinates used in subsequent rendering operations on this graphics context are relative to this new origin. @param x the specified x coordinate @param y the specified y coordinate @since JDK1.0

    boolean opaqueValue = component.isOpaque();
    component.setOpaque( true );
    BufferedImage image = new BufferedImage(region.width, 
        region.height, BufferedImage.TYPE_INT_RGB);
    Graphics2D g2d = image.createGraphics();
    g2d.translate(-region.getX(), -region.getY());
    //g2d.setClip( region );
    component.paint( g2d );
    g2d.dispose();
    component.setOpaque( opaqueValue );

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      protected void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2 = (Graphics2D) g.create();
        //shift the image for pressed buttons
        if (getModel().isPressed()) {
          g2.translate(1, 1);
        }
        g2.setStroke(new BasicStroke(2));
        g2.setColor(Color.BLACK);
        if (!isEnabled()) {
          g2.setColor(Color.GRAY);

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      // translation and possible rotation.
      Bounds bds = circ.getBounds(g).expand(4);
      double scale = Math.min(imWidth / bds.getWidth(),
          (imHeight - headHeight) / bds.getHeight());
      if (g2 != null) {
        g2.translate(format.getImageableX(), format.getImageableY());
        if (rotateToFit && scale < 1.0 / 1.1) {
          double scale2 = Math.min(imHeight / bds.getWidth(),
              (imWidth - headHeight) / bds.getHeight());
          if (scale2 >= scale * 1.1) { // will rotate
            scale = scale2;

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          double scale2 = Math.min(imHeight / bds.getWidth(),
              (imWidth - headHeight) / bds.getHeight());
          if (scale2 >= scale * 1.1) { // will rotate
            scale = scale2;
            if (imHeight > imWidth) { // portrait -> landscape
              g2.translate(0, imHeight);
              g2.rotate(-Math.PI / 2);
            } else { // landscape -> portrait
              g2.translate(imWidth, 0);
              g2.rotate(Math.PI / 2);
            }

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            scale = scale2;
            if (imHeight > imWidth) { // portrait -> landscape
              g2.translate(0, imHeight);
              g2.rotate(-Math.PI / 2);
            } else { // landscape -> portrait
              g2.translate(imWidth, 0);
              g2.rotate(Math.PI / 2);
            }
            double t = imHeight;
            imHeight = imWidth;
            imWidth = t;

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        g.drawString(head,
            (int) Math.round((imWidth - fm.stringWidth(head)) / 2),
            fm.getAscent());
        if (g2 != null) {
          imHeight -= headHeight;
          g2.translate(0, headHeight);
        }
      }
      
      // Now change coordinate system for circuit, including
      // translation and possible scaling

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          g2.scale(scale, scale);
          imWidth /= scale;
          imHeight /= scale;
        }
        double dx = Math.max(0.0, (imWidth - bds.getWidth()) / 2);
        g2.translate(-bds.getX() + dx, -bds.getY());
      }
      
      // Ensure that the circuit is eligible to be drawn
      Rectangle clip = g.getClipBounds();
      clip.add(bds.getX(), bds.getY());

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                    page.getMarginBorderPadding(c, CalculatedStyle.LEFT);
                int top = page.getPaintingTop() 
                    + page.getMarginBorderPadding(c, CalculatedStyle.TOP)
                    - page.getTop();
                
                g.translate(left, top);
                root.paint(c);
                g.translate(-left, -top);
                
                g.setClip(working);
            }

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                    + page.getMarginBorderPadding(c, CalculatedStyle.TOP)
                    - page.getTop();
                
                g.translate(left, top);
                root.paint(c);
                g.translate(-left, -top);
                
                g.setClip(working);
            } 
        }

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      final int alignmentX = (int) RenderUtility.computeHorizontalAlignment(horizontalAlignment, width, clipWidth);
      final int alignmentY = (int) RenderUtility.computeVerticalAlignment(verticalAlignment, height, clipHeight);


      g2 = (Graphics2D) getGraphics().create();
      g2.clip(drawAreaBounds);
      g2.translate(x, y);
      g2.translate(alignmentX, alignmentY);
      g2.clip(new Rectangle2D.Float(0, 0, clipWidth, clipHeight));
      g2.scale(deviceScaleFactor, deviceScaleFactor);


      scaleTransform = null;

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