Cleanup of PDFColor, removing unused functionality. PDFColor is only used for transparent color of bitmap images in which case only sRGB and Gray are needed.
Cleanup of PDFColor, removing unused functionality. PDFColor is only used for transparent color of bitmap images in which case only sRGB and Gray are needed.

git-svn-id: dbd14f15cb87f62afcbdf4807e30854e6e886417@961638 13f79535-47bb-0310-9956-ffa450edef68

chunlinyao/fop,chunlinyao/fop,chunlinyao/fop,chunlinyao/fop,apache/fop,apache/fop,chunlinyao/fop,apache/fop,apache/fop,apache/fop