diff options
Diffstat (limited to 'src/pdf/SkPDFStream.cpp')
| -rw-r--r-- | src/pdf/SkPDFStream.cpp | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/src/pdf/SkPDFStream.cpp b/src/pdf/SkPDFStream.cpp index 8be4f118ec..6947ae4df9 100644 --- a/src/pdf/SkPDFStream.cpp +++ b/src/pdf/SkPDFStream.cpp @@ -14,12 +14,25 @@ * limitations under the License. */ +#include "SkFlate.h" #include "SkPDFCatalog.h" #include "SkPDFStream.h" #include "SkStream.h" -SkPDFStream::SkPDFStream(SkStream* stream) : fData(stream) { - SkRefPtr<SkPDFInt> lenValue = new SkPDFInt(fData->read(NULL, 0)); +SkPDFStream::SkPDFStream(SkStream* stream) { + if (SkFlate::HaveFlate()) { + SkAssertResult(SkFlate::Deflate(stream, &fCompressedData)); + fLength = fCompressedData.getOffset(); + + SkRefPtr<SkPDFName> flateFilter = new SkPDFName("FlateDecode"); + flateFilter->unref(); // SkRefPtr and new both took a reference. + fDict.insert("Filter", flateFilter.get()); + } else { + fPlainData = stream; + fLength = fPlainData->getLength(); + } + + SkRefPtr<SkPDFInt> lenValue = new SkPDFInt(fLength); lenValue->unref(); // SkRefPtr and new both took a reference. fDict.insert("Length", lenValue.get()); } @@ -34,7 +47,10 @@ void SkPDFStream::emitObject(SkWStream* stream, SkPDFCatalog* catalog, fDict.emitObject(stream, catalog, false); stream->writeText(" stream\n"); - stream->write(fData->getMemoryBase(), fData->read(NULL, 0)); + if (fPlainData.get()) + stream->write(fPlainData->getMemoryBase(), fLength); + else + stream->write(fCompressedData.getStream(), fLength); stream->writeText("\nendstream"); } @@ -43,7 +59,7 @@ size_t SkPDFStream::getOutputSize(SkPDFCatalog* catalog, bool indirect) { return getIndirectOutputSize(catalog); return fDict.getOutputSize(catalog, false) + - strlen(" stream\n\nendstream") + fData->read(NULL, 0); + strlen(" stream\n\nendstream") + fLength; } void SkPDFStream::insert(SkPDFName* key, SkPDFObject* value) { |