Hello,
I create a PDF page with background CMYK = 0,0,0,255 (full black). Next I
create a CMYK image (same CMYK values) and put it onto the page.When I open the
PDF on screen, this is OK, but when printed, it seems the image is "deeper"
black than the background. PS: this issue is related to my previous one.
Creating the background: PdfContentByte under =
writer.DirectContentUnder;
under.SaveState();
under.SetCMYKColorFill(0,0,0,255); //CMYK value for black
under.Rectangle(0, 0, PageSize.A4.Width, PageSize.A4.Height);
under.Fill();
Creating the image: byte[] gradient = new byte[255 * 4];
for (int lcv = 0; lcv < 256; lcv++)
{
gradient[lcv * 4 + 0] = 0;
gradient[lcv * 4 + 1] = 0;
gradient[lcv * 4 + 2] = 0;
gradient[lcv * 4 + 3] = 255; // (byte)lcv;
}
Image result = Image.GetInstance(256, 1, 4, 8, gradient);
result.ScaleAbsolute(256, 50);
Thanks ! ------------------------------------------------------------------------------
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