protected void setDrawingColor(int ox, int oy, boolean setBackground) {
// IJ.log("setDrawingColor: "+setBackground+this);
int type = imp.getType();
int[] v = imp.getPixel(ox, oy);
switch (type) {
case ImagePlus.GRAY8:
{
if (setBackground) setBackgroundColor(getColor(v[0]));
else setForegroundColor(getColor(v[0]));
break;
}
case ImagePlus.GRAY16:
case ImagePlus.GRAY32:
{
double min = imp.getProcessor().getMin();
double max = imp.getProcessor().getMax();
double value = (type == ImagePlus.GRAY32) ? Float.intBitsToFloat(v[0]) : v[0];
int index = (int) (255.0 * ((value - min) / (max - min)));
if (index < 0) index = 0;
if (index > 255) index = 255;
if (setBackground) setBackgroundColor(getColor(index));
else setForegroundColor(getColor(index));
break;
}
case ImagePlus.COLOR_RGB:
case ImagePlus.COLOR_256:
{
Color c = new Color(v[0], v[1], v[2]);
if (setBackground) setBackgroundColor(c);
else setForegroundColor(c);
break;
}
}
Color c;
if (setBackground) c = Toolbar.getBackgroundColor();
else {
c = Toolbar.getForegroundColor();
imp.setColor(c);
}
IJ.showStatus("(" + c.getRed() + ", " + c.getGreen() + ", " + c.getBlue() + ")");
}
Color getColor(int index) {
IndexColorModel cm = (IndexColorModel) imp.getProcessor().getColorModel();
// IJ.write(""+index+" "+(new Color(cm.getRGB(index))));
return new Color(cm.getRGB(index));
}