public void PickColor(int x, int y)
{
float scalefactor = getScalingFactor();
bitbltwidth = (int)(this.Width * scalefactor);
bitbltheight = (int)(this.Height * scalefactor);
IntPtr screenDc = GetDC(IntPtr.Zero);
StretchBlt(memscreenDc, 0, 0, Width, Height, screenDc, 0, 0, bitbltwidth, bitbltheight, 0x00CC0020);
GetBitmapBits(hScreenBitmap, Width * Height * 4, screenbits);
intcolor targetc = GC(x, y);
MatchPixelList.Clear();
for (int i = 0; i < Width; i++)
{
for (int j = 0; j < Height; j++)
{
intcolor c = GC(i, j);
if (Math.Abs(c.b - targetc.b) + Math.Abs(c.g - targetc.g) + Math.Abs(c.r - targetc.r) < Root.CDThreshold)
{
MatchPixelList.Add(new Point(i, j));
}
else
{
SC(i, j, 0, 0);
}
}
}
ReleaseDC(IntPtr.Zero, screenDc);
}
public void SC(int i, int j, intcolor c)
{
int pbase = (Width * j + i) * 4;
screenbits[pbase] = (byte)c.b;
screenbits[pbase + 1] = (byte)c.g;
screenbits[pbase + 2] = (byte)c.r;
}
public intcolor GC(int i, int j)
{
intcolor c = new intcolor();
int pbase = (Width * j + i) * 4;
c.b = screenbits[pbase];
c.g = screenbits[pbase + 1];
c.r = screenbits[pbase + 2];
return(c);
}
public void ShiftHue_Start()
{
float scalefactor = getScalingFactor();
bitbltwidth = (int)(this.Width * scalefactor);
bitbltheight = (int)(this.Height * scalefactor);
IntPtr screenDc = GetDC(IntPtr.Zero);
StretchBlt(memscreenDc, 0, 0, Width, Height, screenDc, 0, 0, bitbltwidth, bitbltheight, 0x00CC0020);
GetBitmapBits(hScreenBitmap, Width * Height * 4, screenbits);
for (int i = 0; i < Width; i++)
{
for (int j = 0; j < Height; j++)
{
intcolor c = GC(i, j);
intcolor r;
if (Math.Abs(c.g - c.r) >= 60)
{
r.b = (c.g - c.r + 255) / 2;
r.g = Math.Min(Math.Min(c.g, c.r) * 2 + c.b, 255);
r.r = Math.Min(Math.Min(c.g, c.r) * 2, 255);
SC(i, j, r);
}
else if (Math.Abs(c.g - c.r) >= 5)
{
r.b = (c.g - c.r + 255) / 2;
r.g = Math.Min(Math.Min(c.g, c.r) * 2 + c.b, 255);
r.r = Math.Min(Math.Min(c.g, c.r) * 2, 255);
double drg = Math.Abs(c.g - c.r) / 60.0;
double drg_ = 1 - drg;
r.b = (int)(drg * r.b + drg_ * c.b);
r.g = (int)(drg * r.g + drg_ * c.g);
r.r = (int)(drg * r.r + drg_ * c.r);
SC(i, j, r);
}
else
{
}
}
}
ReleaseDC(IntPtr.Zero, screenDc);
SetBitmapBits(hScreenBitmap, Width * Height * 4, screenbits);
BitBlt(canvusDc, 0, 0, this.Width, this.Height, memscreenDc, 0, 0, 0x00CC0020);
DrawButtons(false);
UpdateFormDisplay(true);
}
