public void redrawBitmap()
{
if (cdR == null || cdG == null || cdB == null)
{
return;
}
int width = cdR.Width;
int height = cdR.Height;
int[,] r = new int[width, height], g = new int[width, height], b = new int[width, height];
channelHelper(cdR.InterpolationPoints, r);
channelHelper(cdG.InterpolationPoints, g);
channelHelper(cdB.InterpolationPoints, b);
bmp = new UnsafeBitmap(width, height);
bmp.LockBitmap();
PixelData pd;
for (int x = 0; x < width; x++)
{
for (int y = 0; y < height; y++)
{
pd.R = (byte)r[x, y];
pd.G = (byte)g[x, y];
pd.B = (byte)b[x, y];
bmp.SetPixel(x, y, pd);
}
}
bmp.UnlockBitmap();
}
private void prepareChannels()
{
UnsafeBitmap bm = new UnsafeBitmap(_input);
bm.LockBitmap();
_redChannel = new byte[bm.Width, bm.Height];
_greenChannel = new byte[bm.Width, bm.Height];
_blueChannel = new byte[bm.Width, bm.Height];
for (int i = 0; i < bm.Width; ++i)
{
for (int j = 0; j < bm.Height; ++j)
{
PixelData pd = bm.GetPixel(i, j);
_blueChannel[i, j] = pd.B;
_greenChannel[i, j] = pd.G;
_redChannel[i, j] = pd.R;
}
}
bm.UnlockBitmap();
}
public bool Decompress()
{
if (_redChannelData == null || _blueChannelData == null || _greenChannelData == null)
{
return(false);
}
Console.WriteLine("Decompressing image data");
Decompressor decompressor = new Decompressor();
_redChannel = decompressor.Decompress(_redChannelData);
_greenChannel = decompressor.Decompress(_greenChannelData);
_blueChannel = decompressor.Decompress(_blueChannelData);
Console.WriteLine("Tworzenie koñcowej bitmapy");
Bitmap bmp = new Bitmap(_blueChannel.GetLength(0), _blueChannel.GetLength(1), System.Drawing.Imaging.PixelFormat.Format24bppRgb);
UnsafeBitmap unsafeBitmap = new UnsafeBitmap(bmp);
unsafeBitmap.LockBitmap();
for (int i = 0; i < unsafeBitmap.Width; ++i)
{
for (int j = 0; j < unsafeBitmap.Height; ++j)
{
PixelData pd = new PixelData((byte)_redChannel[i, j], (byte)_greenChannel[i, j], (byte)_blueChannel[i, j]);
unsafeBitmap.SetPixel(i, j, pd);
}
}
unsafeBitmap.UnlockBitmap();
Console.WriteLine("Tworzenie koñcowej bitmapy zakoñczone");
_output = bmp;
return(true);
}