Hi,
PDF spec allows key color transparency for all image types. There is no need
to ignore transparency settings for DCTDecode as it is the case now. This
patch fixes the issue:
--- originals/com/itextpdf/text/pdf/PdfImage.java 2013-05-31
12:30:32.000000000 +0300
+++ itextpdf-5.4.2-sources/com/itextpdf/text/pdf/PdfImage.java 2013-08-27
13:41:14.000000000 +0300
@@ -102,18 +102,18 @@
put(PdfName.INTERPOLATE, PdfBoolean.PDFTRUE);
InputStream is = null;
try {
+ int transparency[] = image.getTransparency();
+ if (transparency != null && !image.isMask() && maskRef == null) {
+ StringBuilder s = new StringBuilder("[");
+ for (int k = 0; k < transparency.length; ++k)
+ s.append(transparency[k]).append(" ");
+ s.append("]");
+ put(PdfName.MASK, new PdfLiteral(s.toString()));
+ }
// Raw Image data
if (image.isImgRaw()) {
// will also have the CCITT parameters
int colorspace = image.getColorspace();
- int transparency[] = image.getTransparency();
- if (transparency != null && !image.isMask() && maskRef ==
null) {
- StringBuilder s = new StringBuilder("[");
- for (int k = 0; k < transparency.length; ++k)
- s.append(transparency[k]).append(" ");
- s.append("]");
- put(PdfName.MASK, new PdfLiteral(s.toString()));
- }
bytes = image.getRawData();
put(PdfName.LENGTH, new PdfNumber(bytes.length));
int bpc = image.getBpc();
--
Ivan
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