diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/qpdf/QPDFObjectHandle.hh | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/include/qpdf/QPDFObjectHandle.hh b/include/qpdf/QPDFObjectHandle.hh index 2265459d..557330e5 100644 --- a/include/qpdf/QPDFObjectHandle.hh +++ b/include/qpdf/QPDFObjectHandle.hh @@ -1199,13 +1199,21 @@ class QPDFObjectHandle QPDF_DLL void replaceDict(QPDFObjectHandle const&); - // Replace this stream's stream data with the given data buffer, - // and replace the /Filter and /DecodeParms keys in the stream - // dictionary with the given values. (If either value is empty, - // the corresponding key is removed.) The stream's /Length key is - // replaced with the length of the data buffer. The stream is - // interpreted as if the data read from the file, after any - // decryption filters have been applied, is as presented. + // REPLACING STREAM DATA + + // Note about all replaceStreamData methods: whatever values are + // passed as filter and decode_parms will overwrite /Filter and + // /DecodeParms in the stream. Passing a null object + // (QPDFObjectHandle::newNull()) will remove those values from the + // stream dictionary. From qpdf 11, passing an *uninitialized* + // QPDFObjectHandle (QPDFObjectHandle()) will leave any existing + // values untouched. + + // Replace this stream's stream data with the given data buffer. + // The stream's /Length key is replaced with the length of the + // data buffer. The stream is interpreted as if the data read from + // the file, after any decryption filters have been applied, is as + // presented. QPDF_DLL void replaceStreamData( std::shared_ptr<Buffer> data, |