public static bool setNormalize(Bitmap bmap)
{
Color c;
double newR;
double newG;
double newB;
double maxR = 0, minR = 255, maxG = 0, minG = 255, maxB = 0, minB = 255;
for (int i = 0; i < bmap.Width; i++)
{
for (int j = 0; j < bmap.Height; j++)
{
c = bmap.GetPixel(i, j);
if (c.R > maxR)
{
maxR = c.R;
}
if (c.G > maxG)
{
maxG = c.G;
}
if (c.B > maxB)
{
maxB = c.B;
}
if (c.R < minR)
{
minR = c.R;
}
if (c.G < minG)
{
minG = c.G;
}
if (c.B < minB)
{
minB = c.B;
}
}
}
for (int i = 0; i < bmap.Width; i++)
{
for (int j = 0; j < bmap.Height; j++)
{
c = bmap.GetPixel(i, j);
newR = FixColor.fix(((c.R - minR) / (maxR - minR)) * 255);
newG = FixColor.fix(((c.G - minG) / (maxG - minG)) * 255);
newB = FixColor.fix(((c.B - minB) / (maxB - minB)) * 255);
bmap.SetPixel(i, j, Color.FromArgb(Convert.ToInt32(newR), Convert.ToInt32(newG), Convert.ToInt32(newB)));
}
}
return(true);
}
public static bool setContrast(Bitmap bmap, int contrast)
{
Color c;
double newR;
double newG;
double newB;
contrast = contrast % 100;
for (int i = 0; i < bmap.Width; i++)
{
for (int j = 0; j < bmap.Height; j++)
{
c = bmap.GetPixel(i, j);
newR = FixColor.fix(c.R * contrast);
newG = FixColor.fix(c.G * contrast);
newB = FixColor.fix(c.B * contrast);
bmap.SetPixel(i, j, Color.FromArgb(Convert.ToInt32(newR), Convert.ToInt32(newG), Convert.ToInt32(newB)));
}
}
return(true);
}
