Пример #1
0
        private unsafe void TransferDataFormat24bppRgb(BitmapData imgData, PixData pixData)
        {
            var imgFormat = imgData.PixelFormat;
            var height    = imgData.Height;
            var width     = imgData.Width;

            for (int y = 0; y < height; y++)
            {
                byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
                uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);

                for (int x = 0; x < width; x++)
                {
                    byte *pixelPtr = imgLine + x * 3;
                    byte  blue     = pixelPtr[0];
                    byte  green    = pixelPtr[1];
                    byte  red      = pixelPtr[2];
                    PixData.SetDataFourByte(pixLine, x, BitmapHelper.EncodeAsRGBA(red, green, blue, 255));
                }
            }
        }
Пример #2
0
        private unsafe void TransferDataFormat32bppArgb(BitmapData imgData, PixData pixData)
        {
            var imgFormat = imgData.PixelFormat;
            var height    = imgData.Height;
            var width     = imgData.Width;

            for (int y = 0; y < height; y++)
            {
                byte *imgLine = (byte *)imgData.Scan0 + (y * imgData.Stride);
                uint *pixLine = (uint *)pixData.Data + (y * pixData.WordsPerLine);

                for (int x = 0; x < width; x++)
                {
                    byte *pixelPtr = imgLine + (x << 2);
                    byte  blue     = *pixelPtr;
                    byte  green    = *(pixelPtr + 1);
                    byte  red      = *(pixelPtr + 2);
                    byte  alpha    = *(pixelPtr + 3);
                    PixData.SetDataFourByte(pixLine, x, BitmapHelper.EncodeAsRGBA(red, green, blue, alpha));
                }
            }
        }