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);
}
/**
* {@collect.stats} Rescales the source BufferedImage. If the color model in the source image is
* not the same as that in the destination image, the pixels will be converted in the destination.
* If the destination image is null, a BufferedImage will be created with the source ColorModel.
* An IllegalArgumentException may be thrown if the number of scaling factors/offsets in this
* object does not meet the restrictions stated in the class comments above, or if the source
* image has an IndexColorModel.
*
* @param src the <code>BufferedImage</code> to be filtered
* @param dst the destination for the filtering operation or <code>null</code>
* @return the filtered <code>BufferedImage</code>.
* @throws IllegalArgumentException if the <code>ColorModel</code> of <code>src</code> is an
* <code>IndexColorModel</code>, or if the number of scaling factors and offsets in this
* <code>RescaleOp</code> do not meet the requirements stated in the class comments.
*/
public final BufferedImage filter(BufferedImage src, BufferedImage dst) {
ColorModel srcCM = src.getColorModel();
ColorModel dstCM;
int numBands = srcCM.getNumColorComponents();
if (srcCM instanceof IndexColorModel) {
throw new IllegalArgumentException("Rescaling cannot be " + "performed on an indexed image");
}
if (length != 1 && length != numBands && length != srcCM.getNumComponents()) {
throw new IllegalArgumentException(
"Number of scaling constants "
+ "does not equal the number of"
+ " of color or color/alpha "
+ " components");
}
boolean needToConvert = false;
// Include alpha
if (length > numBands && srcCM.hasAlpha()) {
length = numBands + 1;
}
int width = src.getWidth();
int height = src.getHeight();
if (dst == null) {
dst = createCompatibleDestImage(src, null);
dstCM = srcCM;
} else {
if (width != dst.getWidth()) {
throw new IllegalArgumentException(
"Src width (" + width + ") not equal to dst width (" + dst.getWidth() + ")");
}
if (height != dst.getHeight()) {
throw new IllegalArgumentException(
"Src height (" + height + ") not equal to dst height (" + dst.getHeight() + ")");
}
dstCM = dst.getColorModel();
if (srcCM.getColorSpace().getType() != dstCM.getColorSpace().getType()) {
needToConvert = true;
dst = createCompatibleDestImage(src, null);
}
}
BufferedImage origDst = dst;
//
// Try to use a native BI rescale operation first
//
if (ImagingLib.filter(this, src, dst) == null) {
//
// Native BI rescale failed - convert to rasters
//
WritableRaster srcRaster = src.getRaster();
WritableRaster dstRaster = dst.getRaster();
if (srcCM.hasAlpha()) {
if (numBands - 1 == length || length == 1) {
int minx = srcRaster.getMinX();
int miny = srcRaster.getMinY();
int[] bands = new int[numBands - 1];
for (int i = 0; i < numBands - 1; i++) {
bands[i] = i;
}
srcRaster =
srcRaster.createWritableChild(
minx, miny, srcRaster.getWidth(), srcRaster.getHeight(), minx, miny, bands);
}
}
if (dstCM.hasAlpha()) {
int dstNumBands = dstRaster.getNumBands();
if (dstNumBands - 1 == length || length == 1) {
int minx = dstRaster.getMinX();
int miny = dstRaster.getMinY();
int[] bands = new int[numBands - 1];
for (int i = 0; i < numBands - 1; i++) {
bands[i] = i;
}
dstRaster =
dstRaster.createWritableChild(
minx, miny, dstRaster.getWidth(), dstRaster.getHeight(), minx, miny, bands);
}
}
//
// Call the raster filter method
//
filter(srcRaster, dstRaster);
}
if (needToConvert) {
// ColorModels are not the same
ColorConvertOp ccop = new ColorConvertOp(hints);
ccop.filter(dst, origDst);
}
return origDst;
}
