void initGraphics(Graphics g, Color textColor, Color defaultColor) {
if (smallFont == null) {
smallFont = new Font("SansSerif", Font.PLAIN, 9);
largeFont = new Font("SansSerif", Font.PLAIN, 12);
}
if (textColor != null) {
labelColor = textColor;
if (overlay != null && overlay.getDrawBackgrounds())
bgColor =
new Color(
255 - labelColor.getRed(), 255 - labelColor.getGreen(), 255 - labelColor.getBlue());
else bgColor = null;
} else {
int red = defaultColor.getRed();
int green = defaultColor.getGreen();
int blue = defaultColor.getBlue();
if ((red + green + blue) / 3 < 128) labelColor = Color.white;
else labelColor = Color.black;
bgColor = defaultColor;
}
this.defaultColor = defaultColor;
g.setColor(defaultColor);
}
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() + ")");
}
private void setBackgroundColor(Color c) {
Toolbar.setBackgroundColor(c);
if (Recorder.record)
Recorder.record("setBackgroundColor", c.getRed(), c.getGreen(), c.getBlue());
}