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)); }