/**
* Retrieves the images composing the grid when the color model is <code>RBG</code> and when the
* channels are not mapped to red, green or blue i.e. a channel mapped to yellow.
*/
private void retrieveGridImages() {
List<BufferedImage> images = parent.getGridImages();
if (images != null) {
Iterator<BufferedImage> i = images.iterator();
boolean b = originalGridImages.size() == 0;
BufferedImage img;
while (i.hasNext()) {
img = i.next();
gridImages.add(Factory.magnifyImage(img, gridRatio, 0));
if (b) originalGridImages.add(img);
}
combinedImage = Factory.magnifyImage(renderedImage, gridRatio, 0);
}
}
/**
* Retrieves the images composing the grid when the color model is <code>GreyScale</code> and when
* the channels are not mapped to red, green or blue i.e. a channel mapped to yellow.
*
* @param channels Collection of active channels in the grid.
*/
private void retrieveGridImagesForGreyScale(List channels) {
List<BufferedImage> images = parent.getGridImages();
if (images != null) {
int last = images.size() - 1;
combinedImage = Factory.magnifyImage(gridRatio, images.get(last));
images.remove(last);
Iterator<BufferedImage> i = images.iterator();
boolean b = originalGridImages.size() == 0 && !isImageMappedRGB(channels);
BufferedImage img;
while (i.hasNext()) {
img = i.next();
gridImages.add(Factory.magnifyImage(gridRatio, img));
if (b) originalGridImages.add(img);
}
}
}