private void CalculateMap(Range inRange, Range outRange, byte[] map)
{
double num = 0.0;
double num2 = 0.0;
if (inRange.Max != inRange.Min)
{
num = ((double) (outRange.Max - outRange.Min)) / ((double) (inRange.Max - inRange.Min));
num2 = outRange.Min - (num * inRange.Min);
}
for (int i = 0; i < 0x100; i++)
{
byte max = (byte) i;
if (max >= inRange.Max)
{
max = (byte) outRange.Max;
}
else if (max <= inRange.Min)
{
max = (byte) outRange.Min;
}
else
{
max = (byte) ((num * max) + num2);
}
map[i] = max;
}
}
public ColorFiltering()
{
this.red = new Range(0, 0xff);
this.green = new Range(0, 0xff);
this.blue = new Range(0, 0xff);
this.fillOutsideRange = true;
}
public HSLFiltering()
{
this.hue = new Range(0, 0x167);
this.saturation = new RangeD(0.0, 1.0);
this.luminance = new RangeD(0.0, 1.0);
this.fillOutsideRange = true;
this.updateH = true;
this.updateS = true;
this.updateL = true;
}
public ColorFiltering(Range red, Range green, Range blue)
{
this.red = new Range(0, 0xff);
this.green = new Range(0, 0xff);
this.blue = new Range(0, 0xff);
this.fillOutsideRange = true;
this.red = red;
this.green = green;
this.blue = blue;
}
public void FrequencyFilter(Range range) {
if (this.fmode) {
int num = this.width >> 1;
int num2 = this.height >> 1;
int min = (int)range.Min;
int max = (int)range.Max;
for (int i = 0; i < this.height; i++) {
int num6 = i - num2;
for (int j = 0; j < this.width; j++) {
int num8 = j - num;
int num9 = (int)Math.Sqrt((double)((num8 * num8) + (num6 * num6)));
if ((num9 > max) || (num9 < min)) {
this.data[i, j].Re = 0f;
this.data[i, j].Im = 0f;
}
}
}
}
}