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

    BufferedImage resizedImg = new BufferedImage(w, h,
                                                 BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2 = resizedImg.createGraphics();
    g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                        RenderingHints.VALUE_INTERPOLATION_BILINEAR);
    g2.drawImage(srcImg, 0, 0, w, h, null);
    g2.dispose();
    return resizedImg;
  }


}

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      // Log.log("ServletExtension: i2 size : "+i2.getWidth(comp)+"x"+i2.getHeight(comp));


      dest = new BufferedImage(destWidth, destHeight, BufferedImage.TYPE_INT_RGB);
      Graphics2D big = dest.createGraphics();
      big.drawImage(i2, 0, 0, comp);


      // Log.log("ServletExtension: dest size : "+dest.getWidth()+"x"+dest.getHeight());
    }


    try{

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            && image.getType() != BufferedImage.TYPE_INT_ARGB) {
          // Transform as TYPE_INT_ARGB or TYPE_INT_RGB (much faster than calling image.getRGB())
          BufferedImage tmp = new BufferedImage(image.getWidth(), image.getHeight(), 
              this.texture.getFormat() == Texture.RGBA ? BufferedImage.TYPE_INT_ARGB : BufferedImage.TYPE_INT_RGB);
          Graphics2D g = (Graphics2D)tmp.getGraphics();
          g.drawImage(image, null, 0, 0);
          g.dispose();
          image = tmp;
        }
        imageBits = (int [])image.getRaster().getDataElements(0, 0, image.getWidth(), image.getHeight(), null);
        this.transparent = image.getTransparency() != BufferedImage.OPAQUE;

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    }
    
    BufferedImage iconImage = new BufferedImage(imageWithWhiteBackgound.getWidth(), imageWithWhiteBackgound.getHeight(), 
        BufferedImage.TYPE_INT_ARGB);
    Graphics2D g2D = (Graphics2D)iconImage.getGraphics();
    g2D.drawImage(Toolkit.getDefaultToolkit().createImage(new MemoryImageSource(
        imageWithWhiteBackgound.getWidth(), imageWithWhiteBackgound.getHeight(), 
        imageWithWhiteBackgoundPixels, 0, imageWithWhiteBackgound.getWidth())), null, null);
    g2D.dispose();


    return iconImage;

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                }
          
                public void paintIcon(Component c, Graphics g, int x, int y) {
                  Graphics2D g2D = (Graphics2D)g;
                  for (int i = 0; i < 4; i++) {
                    g2D.drawImage(patternImage, x + i * patternImage.getWidth(), y + 1, list);
                  }
                  g2D.setColor(list.getForeground());
                  g2D.drawRect(x, y, getIconWidth() - 2, getIconHeight() - 1);
                }
              });

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                      BufferedImage image_raw = new BufferedImage(width_new, height_new, BufferedImage.TYPE_INT_RGB);    
                      
                      
                      Graphics2D graphics2D = image_raw.createGraphics();
                      graphics2D.setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BICUBIC);
                      graphics2D.drawImage(image, 0, 0, width_new, height_new, null);
                      graphics2D.dispose();
                        
                      //End resize
                        
                        int scaledWidth = width;

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    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
        RenderingHints.VALUE_ANTIALIAS_ON);
    g.setRenderingHint(RenderingHints.KEY_RENDERING,
        RenderingHints.VALUE_RENDER_QUALITY);
    g.setComposite(AlphaComposite.Src);
    g.drawImage(image, 0, 0, width, height, null);
    g.dispose();
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    ImageIO.write(scaledImage, "PNG", baos);
    return new BufferedInputStream(new ByteArrayInputStream(baos.toByteArray()));
  }

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      //TYPE_BYTE_BINARY //13812--
      //TYPE_BYTE_INDEXED //24545
      BufferedImage image = new BufferedImage(scaledWidth, scaledHeight,BufferedImage.TYPE_3BYTE_BGR);
      
      Graphics2D biContext = image.createGraphics();
      biContext.drawImage(img, 0, 0, null);
      
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      
      JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
      JPEGEncodeParam encpar = encoder.getDefaultJPEGEncodeParam(image);

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      //TYPE_BYTE_BINARY //13812--
      //TYPE_BYTE_INDEXED //24545
      BufferedImage image = new BufferedImage(scaledWidth, scaledHeight,BufferedImage.TYPE_BYTE_BINARY);
      
      Graphics2D biContext = image.createGraphics();
      biContext.drawImage(img, 0, 0, null);
      
      ByteArrayOutputStream out = new ByteArrayOutputStream();
      
      JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
      JPEGEncodeParam encpar = encoder.getDefaultJPEGEncodeParam(image);

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          //BufferedImage.TYPE_INT_RGB
          //TYPE_3BYTE_BGR
          BufferedImage image = new BufferedImage(scaledWidth, scaledHeight,BufferedImage.TYPE_3BYTE_BGR);
          
          Graphics2D biContext = image.createGraphics();
          biContext.drawImage(img, 0, 0, null);
          
//          ByteArrayOutputStream out = new ByteArrayOutputStream();
//          
//          JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(out);
//          JPEGEncodeParam encpar = encoder.getDefaultJPEGEncodeParam(image);

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