| private UnfilterRowPaeth ( int nbytes ) : void | ||
| nbytes | int | |
| return | void | |
private void UnfilterRowPaeth(int nbytes)
{
int i, j, x, y;
for (j = 1 - ImgInfo.BytesPixel, i = 1; i <= nbytes; i++, j++) {
x = (j > 0) ? rowb[j] : (byte)0;
y = (j > 0) ? rowbprev[j] : (byte)0;
rowb[i] = (byte)(rowbfilter[i] + PngHelperInternal.FilterPaethPredictor(x, rowbprev[i], y));
}
}