private int MinimalRange(Color cl)
{
double res = ColorAndImageFactory.GetColorRangeQ(cl, _Colors[0]);
int resId = -1;
for (int i = 1; i < _Colors.Count; i++)
{
var dif = ColorAndImageFactory.GetColorRangeQ(cl, _Colors[i]);
if (dif < res)
{
res = dif;
resId = i;
}
}
return(resId);
}
private double MinimalRange(out int color0, out int color1)
{
double res = double.MaxValue;
color0 = 0;
color1 = 0;
for (int i = 0; i < _Colors.Count - 1; i++)
{
double range = ColorAndImageFactory.GetColorRangeQ(_Colors[i], _Colors[i + 1]);
if (range < res)
{
res = range;
color0 = i;
color1 = i + 1;
}
}
return(res);
}
private void OptimizePNGStep0(Bitmap image)
{
Color prev = Color.White;
double difference = 1.0 - (double)numericUpDown1.Value / 100.0;
for (int i = 1; i < image.Height - 1; i++)
{
for (int j = 1; j < image.Width - 1; j++)
{
var color = image.GetPixel(j, i);
if (ColorAndImageFactory.GetColorRangeQ(prev, color) < difference)
{
image.SetPixel(j, i, prev);
}
else
{
prev = color;
}
}
_progress.OperationsDone++;
}
}
