Exemple #1
0
        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);
        }
Exemple #2
0
 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;
 }