public void SetPixelChecked(int X, int Y, FastColor Clr)
{
if (X < 0 || X >= Width || Y < 0 || Y >= Height)
{
return;
}
SetPixel(X, Y, Clr);
}
public static bool IsAlpha(FastColor C)
{
return(C.R == 0 && C.G == 0 && C.B == 0 && C.A == 0);
}
public FastBitmap Extend()
{
FastBitmap NewBitmap = new FastBitmap(Width, Height);
for (int Y = 0; Y < Height; Y++)
{
for (int X = 0; X < Width; X++)
{
FastColor Cur;
if (FastColor.IsAlpha(Cur = GetPixel(X, Y)))
{
FastColor CopyClr;
// Top row
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X - 1, Y + 1)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X, Y + 1)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X + 1, Y + 1)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
// Cur row
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X - 1, Y)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X + 1, Y)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
// Bottom row
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X - 1, Y - 1)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X, Y - 1)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
if (!FastColor.IsAlpha(CopyClr = GetPixelChecked(X + 1, Y - 1)))
{
NewBitmap.SetPixel(X, Y, CopyClr);
continue;
}
}
else
{
NewBitmap.SetPixel(X, Y, Cur);
}
}
}
return(NewBitmap);
}
public void SetPixel(int X, int Y, FastColor Clr)
{
Scan0[Y * Stride + X] = Clr;
}