Esempio n. 1
0
 void CopyToOriginalImage()
 {
     if (SourceImage != null && DrawingImage != null)
     {
         // copy back to original image when format is incompatible with CoreGraphics
         using (var bdNew = DrawingImage.Lock())
             using (var bdOrig = SourceImage.Lock())
             {
                 var size = DrawingImage.Size;
                 for (int y = 0; y < size.Height; y++)
                 {
                     for (int x = 0; x < size.Width; x++)
                     {
                         bdOrig.SetPixel(x, y, bdNew.GetPixel(x, y));
                     }
                 }
             }
     }
 }
 void CopyToOriginalImage()
 {
     if (SourceImage != null && DrawingImage != null)
     {
         // copy back to original image when format is incompatible with CoreGraphics
         using (var bdNew = DrawingImage.Lock())
             using (var bdOrig = SourceImage.Lock())
             {
                 var size = DrawingImage.Size;
                 if (bdNew.BitsPerPixel == 32 && bdOrig.BitsPerPixel == 24)
                 {
                     unsafe {
                         // assuming rgb is in same order as 32bpp bitmap, should be..
                         var src    = (byte *)bdNew.Data;
                         var dest   = (byte *)bdOrig.Data;
                         var length = size.Width * size.Height;
                         for (int i = 0; i < length; i++)
                         {
                             *(dest++) = *(src++);
                             *(dest++) = *(src++);
                             *(dest++) = *(src++);
                             src++;                             // ignore alpha
                         }
                     }
                 }
                 else
                 {
                     for (int y = 0; y < size.Height; y++)
                     {
                         for (int x = 0; x < size.Width; x++)
                         {
                             bdOrig.SetPixel(x, y, bdNew.GetPixel(x, y));
                         }
                     }
                 }
             }
     }
 }