public void run(ImageProcessor ip) {
if (enlarge && gd.wasOKed())
synchronized (this) {
if (!isEnlarged) {
enlargeCanvas();
isEnlarged = true;
}
}
if (isEnlarged) { // enlarging may have made the ImageProcessor invalid, also for the parallel
// threads
int slice = pfr.getSliceNumber();
if (imp.getStackSize() == 1) ip = imp.getProcessor();
else ip = imp.getStack().getProcessor(slice);
}
ip.setInterpolationMethod(interpolationMethod);
if (fillWithBackground) {
Color bgc = Toolbar.getBackgroundColor();
if (bitDepth == 8) ip.setBackgroundValue(ip.getBestIndex(bgc));
else if (bitDepth == 24) ip.setBackgroundValue(bgc.getRGB());
} else ip.setBackgroundValue(0);
ip.rotate(angle);
if (!gd.wasOKed()) drawGridLines(gridLines);
if (isEnlarged && imp.getStackSize() == 1) {
imp.changes = true;
imp.updateAndDraw();
Undo.setup(Undo.COMPOUND_FILTER_DONE, imp);
}
}
void enlargeCanvas() {
imp.unlock();
if (imp.getStackSize() == 1) Undo.setup(Undo.COMPOUND_FILTER, imp);
IJ.run("Select All");
IJ.run("Rotate...", "angle=" + angle);
Roi roi = imp.getRoi();
Rectangle r = roi.getBounds();
if (r.width < imp.getWidth()) r.width = imp.getWidth();
if (r.height < imp.getHeight()) r.height = imp.getHeight();
IJ.showStatus("Rotate: Enlarging...");
IJ.run(
"Canvas Size...",
"width="
+ r.width
+ " height="
+ r.height
+ " position=Center "
+ (fillWithBackground ? "" : "zero"));
IJ.showStatus("Rotating...");
}