private void captureScreen(IScreen scr) {
ScreenImage simg = scr.capture();
scr_img = simg.getImage();
darker_factor = 0.6f;
RescaleOp op = new RescaleOp(darker_factor, 0, null);
scr_img_darker = op.filter(scr_img, null);
}
public static BufferedImage doContrast(BufferedImage img, float f) {
float brightenFactor = 1 + f;
RescaleOp op = new RescaleOp(brightenFactor, 0, null);
img = op.filter(img, img);
return img;
}
private static ImageIcon makeRolloverIcon(ImageIcon srcIcon) {
RescaleOp op =
new RescaleOp(new float[] {1.2f, 1.2f, 1.2f, 1f}, new float[] {0f, 0f, 0f, 0f}, null);
BufferedImage img =
new BufferedImage(
srcIcon.getIconWidth(), srcIcon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
Graphics g = img.getGraphics();
// g.drawImage(srcIcon.getImage(), 0, 0, null);
srcIcon.paintIcon(null, g, 0, 0);
g.dispose();
return new ImageIcon(op.filter(img, null));
}
private BufferedImage windowWithRasterOp(
BufferedImage srcImg, float windowLocation, float windowWidth) {
// final int windowedImageBandValuesCount = 256; // for BufferedImage.TYPE_INT_RGB
// final float windowedImageBandValuesCount = 1.0F;
// final float windowedImageBandValuesCount = 65535F;
// final float windowedImageBandValuesCount = 4095F;
final float windowedImageBandValuesCount =
(1 << srcImg.getColorModel().getComponentSize(0)) - 1;
float scale = windowedImageBandValuesCount / windowWidth;
float offset = (windowWidth / 2 - windowLocation) * scale;
RescaleOp rescaleOp = new RescaleOp(scale, offset, null);
return rescaleOp.filter(srcImg, null);
}
/** Takes a snapshot of the screen, fades it, and sets it as the background. */
public static void snapshot() {
Dimension dim = getInstance().component.getPreferredSize();
java.awt.Rectangle rect = new java.awt.Rectangle(0, 0, dim.width, dim.height);
BufferedImage image = new BufferedImage(rect.width, rect.height, BufferedImage.TYPE_INT_RGB);
Graphics g = image.getGraphics();
g.setColor(java.awt.Color.WHITE);
g.fillRect(0, 0, rect.width, rect.height);
g.setColor(java.awt.Color.BLACK);
getInstance().component.paintComponent(g);
float factor = 0.8f;
float base = 255f * (1f - factor);
RescaleOp op = new RescaleOp(factor, base, null);
BufferedImage filteredImage =
new BufferedImage(image.getWidth(), image.getHeight(), image.getType());
op.filter(image, filteredImage);
getInstance().background = filteredImage;
getInstance().component.repaint();
}
/**
* Creates BufferedImage for hwComponentType at path of size. If marked, the result image is
* brighter by 50%.
*
* @param hwComponentType
* @param path
* @param width
* @param marked
* @return
*/
protected BufferedImage createImage(
HwTypeEnum hwComponentType, String path, Integer width, boolean marked) {
BufferedImage bi = null;
Image tmp = null;
try {
// loads image from path and scales it to desired size
tmp = getScaledImage(path, width);
} catch (IOException ex) {
try {
// load default image
tmp = getScaledImage(getImagePath(hwComponentType), width);
} catch (IOException ex1) {
// should never happen, all hwComponentType default icons are in .jar as a resource
}
}
// create new buffered image to paint on
bi = new BufferedImage(tmp.getWidth(null), tmp.getHeight(null), BufferedImage.TYPE_INT_ARGB);
// create graphics and set hints
Graphics2D graphics2D = bi.createGraphics();
graphics2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
graphics2D.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
// draw image
graphics2D.drawImage(tmp, 0, 0, null);
// if marked, draw transparent white rectangle over
if (marked) {
rescaleOp.filter(bi, bi);
}
graphics2D.dispose();
return bi;
}
public BufferedImage getBrighten() {
RescaleOp rop = new RescaleOp(1.0F, 0.0F, null);
return this.image = rop.filter(this.image, null);
}
/**
* @time : 11:08:58 AM Sep 10, 2015 @Description : For static snapshot, we are used to put a dark
* image as back image. So the original image should be darken.
*/
public void darkScreenImage() {
RescaleOp ro = new RescaleOp(0.9f, 0, null);
whiteImage = ro.filter(screenImage, null);
}
@Override
public void paint(Graphics g) {
RescaleOp ro = new RescaleOp(0.8f, 0, null);
tempImage = ro.filter(image, null);
g.drawImage(tempImage, 0, 0, this);
}
