private static bool recompressImage(PdfImage image)
{
if (image.ComponentCount == 1 &&
image.BitsPerComponent == 1 &&
image.Compression == PdfImageCompression.Group3Fax)
{
image.RecompressWithGroup4Fax();
return(true);
}
if (image.BitsPerComponent == 8 &&
image.ComponentCount >= 3 &&
image.Compression != PdfImageCompression.Jpeg &&
image.Compression != PdfImageCompression.Jpeg2000)
{
if (image.Width < 64 && image.Height < 64)
{
// JPEG better preserves detail on smaller images
image.RecompressWithJpeg();
}
else
{
// you can try larger compressio ratio for bigger images
image.RecompressWithJpeg2000(10);
}
return(true);
}
return(false);
}