private BufferedImage cropScaleGrayscale(Rectangle visibleRect, RenderedImage image) {
int minX = image.getMinX();
int minY = image.getMinY();
int width = image.getWidth();
int height = image.getHeight();
Rectangle bounds = new Rectangle(minX, minY, width, height);
visibleRect = bounds.intersection(visibleRect);
if (bounds.contains(visibleRect)) {
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add((float) visibleRect.x);
pb.add((float) visibleRect.y);
pb.add((float) visibleRect.width);
pb.add((float) visibleRect.height);
image = JAI.create("Crop", pb, JAIContext.noCacheHint);
}
Dimension previewSize = getSize();
if ((visibleRect.width > previewSize.width) || (visibleRect.height > previewSize.height)) {
float scale =
Math.min(
previewSize.width / (float) visibleRect.width,
previewSize.height / (float) visibleRect.height);
image = ConvolveDescriptor.create(image, Functions.getGaussKernel(.25 / scale), null);
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add(scale);
pb.add(scale);
image = JAI.create("Scale", pb, JAIContext.noCacheHint);
}
image = Functions.toColorSpace(image, JAIContext.systemColorSpace, null);
if (image.getSampleModel().getDataType() == DataBuffer.TYPE_USHORT) {
image = Functions.fromUShortToByte(image, null);
}
return Functions.toFastBufferedImage(image);
}
@Override
public ScreenImage capture(Rectangle rect) {
Debug.log(5, "capture: " + rect);
BufferedImage ret = new BufferedImage(rect.width, rect.height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2d = ret.createGraphics();
for (int i = 0; i < Screen.getNumberScreens(); i++) {
Rectangle scrBound = Screen.getBounds(i);
if (scrBound.intersects(rect)) {
Rectangle inter = scrBound.intersection(rect);
Debug.log(5, "scrBound: " + scrBound + ", inter: " + inter);
int ix = inter.x, iy = inter.y;
inter.x -= scrBound.x;
inter.y -= scrBound.y;
ScreenImage img = robots[i].captureScreen(inter);
g2d.drawImage(img.getImage(), ix - rect.x, iy - rect.y, null);
}
}
g2d.dispose();
return new ScreenImage(rect, ret);
}