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-rw-r--r--include/qpdf/Constants.h19
1 files changed, 18 insertions, 1 deletions
diff --git a/include/qpdf/Constants.h b/include/qpdf/Constants.h
index 38f1e71e..c2763956 100644
--- a/include/qpdf/Constants.h
+++ b/include/qpdf/Constants.h
@@ -26,7 +26,7 @@ enum qpdf_error_code_e
qpdf_e_pages, /* erroneous or unsupported pages structure */
};
-/* Write Parameters */
+/* Write Parameters. See QPDFWriter.hh for details. */
enum qpdf_object_stream_e
{
@@ -41,6 +41,23 @@ enum qpdf_stream_data_e
qpdf_s_compress /* compress stream data */
};
+/* Stream data flags */
+
+/* See pipeStreamData in QPDFObjectHandle.hh for details on these flags. */
+enum qpdf_stream_encode_flags_e
+{
+ qpdf_ef_compress = 1 << 0, /* compress uncompressed streams */
+ qpdf_ef_normalize = 1 << 1, /* normalize content stream */
+};
+enum qpdf_stream_decode_level_e
+{
+ /* These must be in order from less to more decoding. */
+ qpdf_dl_none = 0, /* preserve all stream filters */
+ qpdf_dl_generalized, /* decode general-purpose filters */
+ qpdf_dl_specialized, /* also decode other non-lossy filters */
+ qpdf_dl_all /* also decode loss filters */
+};
+
/* R3 Encryption Parameters */
enum qpdf_r3_print_e