/** Creates the images composing the grid. */
private void createGridImages() {
// if (combinedImage == null) return;
if (originalGridImages == null) originalGridImages = new ArrayList<BufferedImage>();
clearList(gridImages);
if (ImViewer.GREY_SCALE_MODEL.equals(parent.getColorModel())) {
createGridImagesForGreyScale();
return;
}
List l = parent.getActiveChannels();
int maxC = parent.getMaxC();
switch (l.size()) {
case 0:
for (int i = 0; i < maxC; i++) gridImages.add(null);
break;
case 1:
case 2:
case 3:
if (isImageMappedRGB(l) && !parent.isCompressed()) {
combinedImage = null;
combinedImage = Factory.magnifyImage(gridRatio, renderedImage);
int w = combinedImage.getWidth();
int h = combinedImage.getHeight();
DataBuffer buf = combinedImage.getRaster().getDataBuffer();
List<ChannelData> list = parent.getSortedChannelData();
Iterator<ChannelData> i = list.iterator();
int index;
while (i.hasNext()) {
index = i.next().getIndex();
if (parent.isChannelActive(index)) {
if (parent.isChannelRed(index)) {
gridImages.add(
Factory.createBandImage(
buf, w, h, Factory.RED_MASK, Factory.BLANK_MASK, Factory.BLANK_MASK));
} else if (parent.isChannelGreen(index)) {
gridImages.add(
Factory.createBandImage(
buf, w, h, Factory.BLANK_MASK, Factory.GREEN_MASK, Factory.BLANK_MASK));
} else if (parent.isChannelBlue(index)) {
gridImages.add(
Factory.createBandImage(
buf, w, h, Factory.BLANK_MASK, Factory.BLANK_MASK, Factory.BLUE_MASK));
}
} else {
gridImages.add(null);
}
}
} else {
retrieveGridImages();
}
break;
default:
retrieveGridImages();
}
}
/**
* Returns the list of grid images for openGL.
*
* @return See above.
*/
List<GridImage> getGridImages() {
List<GridImage> list = new ArrayList<GridImage>();
List<ChannelData> l = parent.getSortedChannelData();
Iterator<ChannelData> i = l.iterator();
int index;
GridImage image;
// boolean[] rgb;
ChannelData data;
String label;
boolean b = isRenderedImageRGB();
if (!isModelRGB()) b = false;
while (i.hasNext()) {
data = i.next();
index = data.getIndex();
label = data.getChannelLabeling();
// rgb = new boolean[3];
if (parent.isChannelActive(index)) {
/*
if (b) {
rgb[0] = !parent.isChannelRed(index);
rgb[1] = !parent.isChannelGreen(index);
rgb[2] = !parent.isChannelBlue(index);
image = new GridImage(index, true, label, rgb);
} else {
image = new GridImage(index, true, label);
image.setTextureData(gridImagesAsTextures.get(index));
}
*/
image = new GridImage(index, true, label);
image.setTextureData(gridImagesAsTextures.get(index));
} else {
image = new GridImage(index, false, label);
}
list.add(image);
}
return list;
}