public unsafe Bitmap Apply(Bitmap srcImg)
{
int width = this.mask.Width;
int height = this.mask.Height;
if ((width != srcImg.Width) || (height != srcImg.Height))
{
throw new ArgumentException();
}
Bitmap img = this.filter1.Apply(srcImg);
bool flag = false;
if ((width != img.Width) || (height != img.Height))
{
img.Dispose();
throw new ApplicationException();
}
if (this.filter2 != null)
{
srcImg = this.filter2.Apply(srcImg);
flag = true;
if ((width != srcImg.Width) || (height != srcImg.Height))
{
srcImg.Dispose();
img.Dispose();
throw new ApplicationException();
}
}
if (img.PixelFormat != srcImg.PixelFormat)
{
IFilter filter = new GrayscaleToRGB();
if (img.PixelFormat == PixelFormat.Format8bppIndexed)
{
Bitmap bitmap2 = filter.Apply(img);
img.Dispose();
img = bitmap2;
}
if (srcImg.PixelFormat == PixelFormat.Format8bppIndexed)
{
Bitmap bitmap3 = filter.Apply(srcImg);
if (flag)
{
srcImg.Dispose();
}
srcImg = bitmap3;
flag = true;
}
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, srcImg.PixelFormat);
BitmapData data2 = img.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, img.PixelFormat);
BitmapData data3 = this.mask.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, this.mask.PixelFormat);
int num3 = data2.Stride - ((img.PixelFormat == PixelFormat.Format8bppIndexed) ? width : (width * 3));
int num4 = data3.Stride - ((this.mask.PixelFormat == PixelFormat.Format8bppIndexed) ? width : (width * 3));
int num5 = (this.mask.PixelFormat == PixelFormat.Format8bppIndexed) ? 1 : 3;
byte * numPtr = (byte *)bitmapdata.Scan0.ToPointer();
byte * numPtr2 = (byte *)data2.Scan0.ToPointer();
byte * numPtr3 = (byte *)data3.Scan0.ToPointer();
if (img.PixelFormat == PixelFormat.Format8bppIndexed)
{
for (int i = 0; i < height; i++)
{
int num7 = 0;
while (num7 < width)
{
if (numPtr3[0] != 0)
{
numPtr2[0] = numPtr[0];
}
num7++;
numPtr++;
numPtr2++;
numPtr3 += num5;
}
numPtr += num3;
numPtr2 += num3;
numPtr3 += num4;
}
}
else
{
for (int j = 0; j < height; j++)
{
int num9 = 0;
while (num9 < width)
{
if (numPtr3[0] != 0)
{
numPtr2[2] = numPtr[2];
numPtr2[1] = numPtr[1];
numPtr2[0] = numPtr[0];
}
num9++;
numPtr += 3;
numPtr2 += 3;
numPtr3 += num5;
}
numPtr += num3;
numPtr2 += num3;
numPtr3 += num4;
}
}
img.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
this.mask.UnlockBits(data3);
if (flag)
{
srcImg.Dispose();
}
return(img);
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
int width = this.mask.Width;
int height = this.mask.Height;
if ((width != srcImg.Width) || (height != srcImg.Height))
{
throw new ArgumentException();
}
Bitmap img = this.filter1.Apply(srcImg);
bool flag = false;
if ((width != img.Width) || (height != img.Height))
{
img.Dispose();
throw new ApplicationException();
}
if (this.filter2 != null)
{
srcImg = this.filter2.Apply(srcImg);
flag = true;
if ((width != srcImg.Width) || (height != srcImg.Height))
{
srcImg.Dispose();
img.Dispose();
throw new ApplicationException();
}
}
if (img.PixelFormat != srcImg.PixelFormat)
{
IFilter filter = new GrayscaleToRGB();
if (img.PixelFormat == PixelFormat.Format8bppIndexed)
{
Bitmap bitmap2 = filter.Apply(img);
img.Dispose();
img = bitmap2;
}
if (srcImg.PixelFormat == PixelFormat.Format8bppIndexed)
{
Bitmap bitmap3 = filter.Apply(srcImg);
if (flag)
{
srcImg.Dispose();
}
srcImg = bitmap3;
flag = true;
}
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, srcImg.PixelFormat);
BitmapData data2 = img.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, img.PixelFormat);
BitmapData data3 = this.mask.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, this.mask.PixelFormat);
int num3 = data2.Stride - ((img.PixelFormat == PixelFormat.Format8bppIndexed) ? width : (width * 3));
int num4 = data3.Stride - ((this.mask.PixelFormat == PixelFormat.Format8bppIndexed) ? width : (width * 3));
int num5 = (this.mask.PixelFormat == PixelFormat.Format8bppIndexed) ? 1 : 3;
byte* numPtr = (byte*) bitmapdata.Scan0.ToPointer();
byte* numPtr2 = (byte*) data2.Scan0.ToPointer();
byte* numPtr3 = (byte*) data3.Scan0.ToPointer();
if (img.PixelFormat == PixelFormat.Format8bppIndexed)
{
for (int i = 0; i < height; i++)
{
int num7 = 0;
while (num7 < width)
{
if (numPtr3[0] != 0)
{
numPtr2[0] = numPtr[0];
}
num7++;
numPtr++;
numPtr2++;
numPtr3 += num5;
}
numPtr += num3;
numPtr2 += num3;
numPtr3 += num4;
}
}
else
{
for (int j = 0; j < height; j++)
{
int num9 = 0;
while (num9 < width)
{
if (numPtr3[0] != 0)
{
numPtr2[2] = numPtr[2];
numPtr2[1] = numPtr[1];
numPtr2[0] = numPtr[0];
}
num9++;
numPtr += 3;
numPtr2 += 3;
numPtr3 += num5;
}
numPtr += num3;
numPtr2 += num3;
numPtr3 += num4;
}
}
img.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
this.mask.UnlockBits(data3);
if (flag)
{
srcImg.Dispose();
}
return img;
}