Examples of java.awt.Graphics2D.drawImage()

java.awt.Graphics2D.drawImage()
Renders an image, applying a transform from image space into user space before drawing. The transformation from user space into device space is done with the current Transform in the Graphics2D. The specified transformation is applied to the image before the transform attribute in the Graphics2D context is applied. The rendering attributes applied include the Clip, Transform, and Composite attributes. Note that no rendering is done if the specified transform is noninvertible. @param img the specified image to be rendered. This method does nothing if img is null. @param xform the transformation from image space into user space @param obs the {@link ImageObserver}to be notified as more of the Image is converted @return true if the Image is fully loaded and completely rendered, or if it's null; false if the Image is still being loaded. @see #transform @see #setTransform @see #setComposite @see #clip @see #setClip

                    });
                } catch (Exception ex) { }
            }
        }
        Graphics2D g = createGraphics();
        g.drawImage(image, 0, 0, canvas.getWidth(), canvas.getHeight(), null);
        releaseGraphics(g);
    }
    public void showImage(Image image, double scale) {
        if (image == null)
            return;

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            if (rect != null)
            {
                int w = img.getWidth(this);
                int h = img.getHeight(this);
                if (w >= 0 && h >= 0)
                    g2d.drawImage(img, 0, 0, rect.width, rect.height, 0, 0, w, h, this);
            }
        }
    }


    public boolean getMouseDown()

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            d = Math.min(dx, dy);
            g2d.scale(d, d);
            g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, m_interpolation);
            Rectangle rect = g2d.getClipBounds();
            if (rect != null)
                g2d.drawImage(m_img, (int)rect.getX(), (int)rect.getY(), (int)(rect.getX() + rect.getWidth()), (int)(rect.getY() + rect.getHeight()), (int)rect.getX(), (int)rect.getY(), (int)(rect.getX() + rect.getWidth()), (int)(rect.getY() + rect.getHeight()), this);
        }
        return false;
    }


    public int print(Graphics pg, PageFormat pageFormat, int pageIndex)

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            BufferedImage temp = new BufferedImage(width, (int) (width / ratio), BufferedImage.TYPE_INT_ARGB);
            Graphics2D g2 = temp.createGraphics();
            g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                    RenderingHints.VALUE_INTERPOLATION_BILINEAR);
            g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null);
            g2.dispose();


            thumb = temp;
        } while (width != requestedThumbSize);

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      float imgRatio = (float)image.getWidth() / (float)image.getHeight();


      if (imgRatio > panelRatio) {
        float tw = (float)getWidth();
        float th = (float)getWidth() / imgRatio;
        gg.drawImage(image, 0, (int)(getHeight()/2 - th/2), (int) tw, (int) th, null);
      } else {
        float tw = (float)getHeight() * imgRatio;
        float th = (float)getHeight();
        gg.drawImage(image, (int)((float)getWidth()/2 - tw/2), 0, (int) tw, (int) th, null);
      }

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        float th = (float)getWidth() / imgRatio;
        gg.drawImage(image, 0, (int)(getHeight()/2 - th/2), (int) tw, (int) th, null);
      } else {
        float tw = (float)getHeight() * imgRatio;
        float th = (float)getHeight();
        gg.drawImage(image, (int)((float)getWidth()/2 - tw/2), 0, (int) tw, (int) th, null);
      }


    } else if (image != null && useRegion) {
      float panelRatio = (float)getWidth() / (float)getHeight();
      float imgRatio = (float)width / (float)height;

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      if (imgRatio > panelRatio) {
        int tw = getWidth();
        int th = (int) (getWidth() / imgRatio);
        int tx = 0;
        int ty = getHeight()/2 - th/2;
        gg.drawImage(image, tx, ty, tx + tw, ty + th, x, y, x + width, y + width, null);
      } else {
        int tw = (int) (getHeight() * imgRatio);
        int th = getHeight();
        int tx = getWidth()/2 - tw/2;
        int ty = 0;

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      } else {
        int tw = (int) (getHeight() * imgRatio);
        int th = getHeight();
        int tx = getWidth()/2 - tw/2;
        int ty = 0;
        gg.drawImage(image, tx, ty, tx + tw, ty + th, x, y, x + width, y + width, null);
      }
    }
  }
}

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        }


        if (savdest != null) {
            Graphics2D big = savdest.createGraphics();
      try {
          big.drawImage(dest, 0, 0, null);
      } finally {
          big.dispose();
      }
            return savdest;
        } else {

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                    double sx = (double)getWidth() / (double)artwork.getWidth();
                    double sy = (double)getHeight() / (double)artwork.getHeight();
                    sx = Math.min(sx, sy);
                    sy = Math.min(sx, sy);
                    AffineTransform tx = AffineTransform.getScaleInstance(sx, sy);
                    g2.drawImage(artwork, new AffineTransformOp(tx, AffineTransformOp.TYPE_BILINEAR), 0, 0);
                }


                @Override
                public Dimension getPreferredSize() {
                    return new Dimension(artwork.getWidth(), artwork.getHeight());

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