public unsafe Bitmap Apply(Bitmap srcImg)
{
Bitmap bitmap;
this.width = srcImg.Width;
this.height = srcImg.Height;
if (srcImg.PixelFormat == PixelFormat.Format8bppIndexed)
{
bitmap = GodLesZ.Library.Imaging.Image.Clone(srcImg);
}
else
{
IFilter filter = new GrayscaleRMY();
bitmap = filter.Apply(srcImg);
}
BitmapData bitmapdata = bitmap.LockBits(new Rectangle(0, 0, this.width, this.height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap2 = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(this.width, this.height);
BitmapData data2 = bitmap2.LockBits(new Rectangle(0, 0, this.width, this.height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
this.stride = data2.Stride;
this.widthM1 = this.width - 1;
this.heightM1 = this.height - 1;
int num = this.stride - this.width;
byte *ptr = (byte *)bitmapdata.Scan0.ToPointer();
byte *numPtr2 = (byte *)data2.Scan0.ToPointer();
this.y = 0;
while (this.y < this.height)
{
this.x = 0;
while (this.x < this.width)
{
int num3;
int num2 = ptr[0];
if (num2 < 0x80)
{
numPtr2[0] = 0;
num3 = num2;
}
else
{
numPtr2[0] = 0xff;
num3 = num2 - 0xff;
}
this.Diffuse(num3, ptr);
this.x++;
ptr++;
numPtr2++;
}
ptr += num;
numPtr2 += num;
this.y++;
}
bitmap2.UnlockBits(data2);
bitmap.UnlockBits(bitmapdata);
bitmap.Dispose();
return(bitmap2);
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
Bitmap bitmap;
this.width = srcImg.Width;
this.height = srcImg.Height;
if (srcImg.PixelFormat == PixelFormat.Format8bppIndexed)
{
bitmap = GodLesZ.Library.Imaging.Image.Clone(srcImg);
}
else
{
IFilter filter = new GrayscaleRMY();
bitmap = filter.Apply(srcImg);
}
BitmapData bitmapdata = bitmap.LockBits(new Rectangle(0, 0, this.width, this.height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap2 = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(this.width, this.height);
BitmapData data2 = bitmap2.LockBits(new Rectangle(0, 0, this.width, this.height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
this.stride = data2.Stride;
this.widthM1 = this.width - 1;
this.heightM1 = this.height - 1;
int num = this.stride - this.width;
byte* ptr = (byte*) bitmapdata.Scan0.ToPointer();
byte* numPtr2 = (byte*) data2.Scan0.ToPointer();
this.y = 0;
while (this.y < this.height)
{
this.x = 0;
while (this.x < this.width)
{
int num3;
int num2 = ptr[0];
if (num2 < 0x80)
{
numPtr2[0] = 0;
num3 = num2;
}
else
{
numPtr2[0] = 0xff;
num3 = num2 - 0xff;
}
this.Diffuse(num3, ptr);
this.x++;
ptr++;
numPtr2++;
}
ptr += num;
numPtr2 += num;
this.y++;
}
bitmap2.UnlockBits(data2);
bitmap.UnlockBits(bitmapdata);
bitmap.Dispose();
return bitmap2;
}
public unsafe Bitmap Apply(Bitmap srcImg) {
int width = srcImg.Width;
int height = srcImg.Height;
bool flag = false;
if (srcImg.PixelFormat != PixelFormat.Format8bppIndexed) {
flag = true;
IFilter filter = new GrayscaleRMY();
srcImg = filter.Apply(srcImg);
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(width, height);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
int stride = bitmapdata.Stride;
int num4 = stride - width;
int num5 = width - 1;
int num6 = height - 1;
double num10 = 0.0;
double num11 = 0.0;
byte* numPtr = (byte*)((byte*)bitmapdata.Scan0.ToPointer() + stride);
byte* numPtr2 = (byte*)data2.Scan0.ToPointer();
for (int i = 1; i < num6; i++) {
numPtr++;
int num13 = 1;
while (num13 < num5) {
double num7 = numPtr[1] - numPtr[-1];
double num8 = numPtr[stride] - numPtr[-stride];
double num9 = (num7 > num8) ? num7 : num8;
num10 += num9;
num11 += num9 * numPtr[0];
num13++;
numPtr++;
}
numPtr += num4 + 1;
}
this.threshold = (num10 == 0.0) ? ((byte)0) : ((byte)(num11 / num10));
numPtr = (byte*)bitmapdata.Scan0.ToPointer();
for (int j = 0; j < height; j++) {
int num15 = 0;
while (num15 < width) {
numPtr2[0] = (numPtr[0] <= this.threshold) ? ((byte)0) : ((byte)0xff);
num15++;
numPtr++;
numPtr2++;
}
numPtr += num4;
numPtr2 += num4;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
if (flag) {
srcImg.Dispose();
}
return bitmap;
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
int width = srcImg.Width;
int height = srcImg.Height;
bool flag = false;
if (srcImg.PixelFormat != PixelFormat.Format8bppIndexed)
{
flag = true;
IFilter filter = new GrayscaleRMY();
srcImg = filter.Apply(srcImg);
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(width, height);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
int stride = bitmapdata.Stride;
int num4 = stride - width;
int num5 = width - 1;
int num6 = height - 1;
byte* numPtr = (byte*) bitmapdata.Scan0.ToPointer();
byte* numPtr2 = (byte*) data2.Scan0.ToPointer();
numPtr += stride;
numPtr2 += stride;
for (int i = 1; i < num6; i++)
{
numPtr++;
numPtr2++;
int num10 = 1;
while (num10 < num5)
{
int num8 = 0;
int num7 = numPtr[-stride - 1] - numPtr[stride + 1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = numPtr[-stride + 1] - numPtr[stride - 1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = numPtr[-stride] - numPtr[stride];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = numPtr[-1] - numPtr[1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
numPtr2[0] = (byte) num8;
num10++;
numPtr++;
numPtr2++;
}
numPtr += num4 + 1;
numPtr2 += num4 + 1;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
if (flag)
{
srcImg.Dispose();
}
return bitmap;
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
int width = srcImg.Width;
int height = srcImg.Height;
bool flag = false;
if (srcImg.PixelFormat != PixelFormat.Format8bppIndexed)
{
flag = true;
IFilter filter = new GrayscaleRMY();
srcImg = filter.Apply(srcImg);
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(width, height);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
int stride = bitmapdata.Stride;
int num4 = stride - width;
int num5 = width - 1;
int num6 = height - 1;
double num14 = 0.0;
byte * numPtr = (byte *)((byte *)bitmapdata.Scan0.ToPointer() + stride);
byte * numPtr2 = (byte *)((byte *)data2.Scan0.ToPointer() + stride);
for (int i = 1; i < num6; i++)
{
numPtr++;
numPtr2++;
int num16 = 1;
while (num16 < num5)
{
double num12;
double num11 = num12 = 0.0;
for (int j = 0; j < 3; j++)
{
int num9 = j - 1;
for (int k = 0; k < 3; k++)
{
double num10 = numPtr[((num9 * stride) + k) - 1];
num11 += num10 * xKernel[j, k];
num12 += num10 * yKernel[j, k];
}
}
double num13 = Math.Min((double)(Math.Abs(num11) + Math.Abs(num12)), (double)255.0);
if (num13 > num14)
{
num14 = num13;
}
numPtr2[0] = (byte)num13;
num16++;
numPtr++;
numPtr2++;
}
numPtr += num4 + 1;
numPtr2 += num4 + 1;
}
if (this.scaleIntensity && (num14 != 255.0))
{
double num17 = 255.0 / num14;
numPtr2 = (byte *)((byte *)data2.Scan0.ToPointer() + stride);
for (int m = 1; m < num6; m++)
{
numPtr2++;
int num19 = 1;
while (num19 < num5)
{
numPtr2[0] = (byte)(num17 * numPtr2[0]);
num19++;
numPtr2++;
}
numPtr2 += num4 + 1;
}
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
if (flag)
{
srcImg.Dispose();
}
return(bitmap);
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
int width = srcImg.Width;
int height = srcImg.Height;
bool flag = false;
if (srcImg.PixelFormat != PixelFormat.Format8bppIndexed)
{
flag = true;
IFilter filter = new GrayscaleRMY();
srcImg = filter.Apply(srcImg);
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(width, height);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
int stride = bitmapdata.Stride;
int num4 = stride - width;
int num5 = width - 1;
int num6 = height - 1;
byte * numPtr = (byte *)bitmapdata.Scan0.ToPointer();
byte * numPtr2 = (byte *)data2.Scan0.ToPointer();
numPtr += stride;
numPtr2 += stride;
for (int i = 1; i < num6; i++)
{
numPtr++;
numPtr2++;
int num11 = 1;
while (num11 < num5)
{
int num8 = 0;
int num9 = numPtr[0];
int num7 = num9 - numPtr[-stride - 1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[-stride];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[-stride + 1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[-1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[stride - 1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[stride];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
num7 = num9 - numPtr[stride + 1];
if (num7 < 0)
{
num7 = -num7;
}
if (num7 > num8)
{
num8 = num7;
}
numPtr2[0] = (byte)num8;
num11++;
numPtr++;
numPtr2++;
}
numPtr += num4 + 1;
numPtr2 += num4 + 1;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
if (flag)
{
srcImg.Dispose();
}
return(bitmap);
}
public unsafe Bitmap Apply(Bitmap srcImg)
{
int width = srcImg.Width;
int height = srcImg.Height;
bool flag = false;
if (srcImg.PixelFormat != PixelFormat.Format8bppIndexed)
{
flag = true;
IFilter filter = new GrayscaleRMY();
srcImg = filter.Apply(srcImg);
}
BitmapData bitmapdata = srcImg.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadOnly, PixelFormat.Format8bppIndexed);
Bitmap bitmap = GodLesZ.Library.Imaging.Image.CreateGrayscaleImage(width, height);
BitmapData data2 = bitmap.LockBits(new Rectangle(0, 0, width, height), ImageLockMode.ReadWrite, PixelFormat.Format8bppIndexed);
int stride = bitmapdata.Stride;
int num4 = stride - width;
int num5 = width - 1;
int num6 = height - 1;
double num10 = 0.0;
double num11 = 0.0;
byte * numPtr = (byte *)((byte *)bitmapdata.Scan0.ToPointer() + stride);
byte * numPtr2 = (byte *)data2.Scan0.ToPointer();
for (int i = 1; i < num6; i++)
{
numPtr++;
int num13 = 1;
while (num13 < num5)
{
double num7 = numPtr[1] - numPtr[-1];
double num8 = numPtr[stride] - numPtr[-stride];
double num9 = (num7 > num8) ? num7 : num8;
num10 += num9;
num11 += num9 * numPtr[0];
num13++;
numPtr++;
}
numPtr += num4 + 1;
}
this.threshold = (num10 == 0.0) ? ((byte)0) : ((byte)(num11 / num10));
numPtr = (byte *)bitmapdata.Scan0.ToPointer();
for (int j = 0; j < height; j++)
{
int num15 = 0;
while (num15 < width)
{
numPtr2[0] = (numPtr[0] <= this.threshold) ? ((byte)0) : ((byte)0xff);
num15++;
numPtr++;
numPtr2++;
}
numPtr += num4;
numPtr2 += num4;
}
bitmap.UnlockBits(data2);
srcImg.UnlockBits(bitmapdata);
if (flag)
{
srcImg.Dispose();
}
return(bitmap);
}
