Using transparent gif or png will give you 1 bit transparency out-of-the-box. If you are using raw images, or better yet G4 images, it can also be done easily but it will depend on what you have to start with.
Best Regards, Paulo Soares > -----Original Message----- > From: Jerold Sampson [SMTP:[EMAIL PROTECTED] > Sent: Monday, July 07, 2003 17:17 > To: [EMAIL PROTECTED] > Subject: [iText-questions] 1biit/bilevel iimages > > I have a requirement to place 1-bit, black and white images into my PDF > documents in such a way that the white pels/pixels are transparent. > Today I am accomplishing this using AWT indexed color images and > specifiying transparency. The result is very large PDF. I would like > to include the image as 1-bit and still accomplish the transparency > that I require. Does someone know how to accomplish this? I would > greatly appreciate any help or advice on how to do this. > > I have used the iText raw image support with 8 bit and 1 bit image data > but have not been able to figure out how to specify or use transparency. > > The method I use today works but results in significanly larger PDF > files because the result is PDF using the RGB color model. This > is extreme overkill when the image source is 1-bit (black and white) > image data. > > Thanks in advance, > Jerold Sampson > > > > ------------------------------------------------------- > This SF.Net email sponsored by: Free pre-built ASP.NET sites including > Data Reports, E-commerce, Portals, and Forums are available now. > Download today and enter to win an XBOX or Visual Studio .NET. > http://aspnet.click-url.com/go/psa00100006ave/direct;at.asp_061203_01/01 > _______________________________________________ > iText-questions mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/itext-questions ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100006ave/direct;at.asp_061203_01/01 _______________________________________________ iText-questions mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/itext-questions
