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);
}
}
public int showDialog(ImagePlus imp, String command, PlugInFilterRunner pfr) {
this.pfr = pfr;
String macroOptions = Macro.getOptions();
if (macroOptions != null) {
if (macroOptions.indexOf(" interpolate") != -1)
macroOptions.replaceAll(" interpolate", " interpolation=Bilinear");
else if (macroOptions.indexOf(" interpolation=") == -1)
macroOptions = macroOptions + " interpolation=None";
Macro.setOptions(macroOptions);
}
gd = new GenericDialog("Rotate", IJ.getInstance());
gd.addNumericField("Angle (degrees):", angle, (int) angle == angle ? 1 : 2);
gd.addNumericField("Grid Lines:", gridLines, 0);
gd.addChoice("Interpolation:", methods, methods[interpolationMethod]);
if (bitDepth == 8 || bitDepth == 24)
gd.addCheckbox("Fill with Background Color", fillWithBackground);
if (canEnlarge) gd.addCheckbox("Enlarge Image to Fit Result", enlarge);
else enlarge = false;
gd.addPreviewCheckbox(pfr);
gd.addDialogListener(this);
gd.showDialog();
drawGridLines(0);
if (gd.wasCanceled()) {
return DONE;
}
if (!enlarge) flags |= KEEP_PREVIEW; // standard filter without enlarge
else if (imp.getStackSize() == 1) flags |= NO_CHANGES; // undoable as a "compound filter"
return IJ.setupDialog(imp, flags);
}
void showDialog() {
int width = imp.getWidth();
int height = imp.getHeight();
Calibration cal = imp.getCalibration();
int places;
if (cal.scaled()) {
pixelWidth = cal.pixelWidth;
pixelHeight = cal.pixelHeight;
units = cal.getUnits();
places = 2;
} else {
pixelWidth = 1.0;
pixelHeight = 1.0;
units = "pixels";
places = 0;
}
if (areaPerPoint == 0.0)
areaPerPoint =
(width * cal.pixelWidth * height * cal.pixelHeight) / 81.0; // default to 9x9 grid
ImageWindow win = imp.getWindow();
GenericDialog gd = new GenericDialog("Grid...");
gd.addChoice("Grid Type:", types, type);
gd.addNumericField("Area per Point:", areaPerPoint, places, 6, units + "^2");
gd.addChoice("Color:", colors, color);
gd.addCheckbox("Random Offset", randomOffset);
gd.addDialogListener(this);
gd.showDialog();
if (gd.wasCanceled()) showGrid(null);
}
public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
angle = gd.getNextNumber();
// only check for invalid input to "angle", don't care about gridLines
if (gd.invalidNumber()) {
if (gd.wasOKed()) IJ.error("Angle is invalid.");
return false;
}
gridLines = (int) gd.getNextNumber();
interpolationMethod = gd.getNextChoiceIndex();
if (bitDepth == 8 || bitDepth == 24) fillWithBackground = gd.getNextBoolean();
if (canEnlarge) enlarge = gd.getNextBoolean();
return true;
}
public boolean dialogItemChanged(GenericDialog gd, AWTEvent e) {
int width = imp.getWidth();
int height = imp.getHeight();
type = gd.getNextChoice();
areaPerPoint = gd.getNextNumber();
color = gd.getNextChoice();
randomOffset = gd.getNextBoolean();
double minArea = (width * height) / 50000.0;
if (type.equals(types[1]) && minArea < 144.0) minArea = 144.0;
else if (minArea < 16) minArea = 16.0;
if (areaPerPoint / (pixelWidth * pixelHeight) < minArea) {
String err = "\"Area per Point\" too small";
if (gd.wasOKed()) IJ.error("Grid", err);
else IJ.showStatus(err);
return true;
}
double tileSize = Math.sqrt(areaPerPoint);
tileWidth = tileSize / pixelWidth;
tileHeight = tileSize / pixelHeight;
if (randomOffset) {
xstart = (int) (random.nextDouble() * tileWidth);
ystart = (int) (random.nextDouble() * tileHeight);
} else {
xstart = (int) (tileWidth / 2.0 + 0.5);
ystart = (int) (tileHeight / 2.0 + 0.5);
}
linesV = (int) ((width - xstart) / tileWidth) + 1;
linesH = (int) ((height - ystart) / tileHeight) + 1;
if (gd.invalidNumber()) return true;
if (type.equals(types[0])) drawLines();
else if (type.equals(types[1])) drawCrosses();
else if (type.equals(types[2])) drawPoints();
else showGrid(null);
return true;
}