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authorSimon Bünzli <zeniko@gmail.com>2014-01-03 12:15:09 +0100
committerRobin Watts <robin.watts@artifex.com>2014-01-06 13:13:41 +0000
commit0bfa2ce884eed8bef83fb23cf2e25dae81a2207e (patch)
treedb83c056876db965b5625bef16990b6c6740257e /include/mupdf/fitz/filter.h
parent833c6a84bd7edf531b6074e9e13dd5ae57f21f12 (diff)
downloadmupdf-0bfa2ce884eed8bef83fb23cf2e25dae81a2207e.tar.xz
reuse JBIG2Globals
Certain optimized documents use a rather large common symbol dictionary for all JBIG2 images. Caching these JBIG2Globals speeds up loading and rendering of such documents.
Diffstat (limited to 'include/mupdf/fitz/filter.h')
-rw-r--r--include/mupdf/fitz/filter.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/mupdf/fitz/filter.h b/include/mupdf/fitz/filter.h
index 0a62fb2d..106a51ac 100644
--- a/include/mupdf/fitz/filter.h
+++ b/include/mupdf/fitz/filter.h
@@ -4,8 +4,11 @@
#include "mupdf/fitz/system.h"
#include "mupdf/fitz/context.h"
#include "mupdf/fitz/buffer.h"
+#include "mupdf/fitz/store.h"
#include "mupdf/fitz/stream.h"
+typedef struct fz_jbig2_globals_s fz_jbig2_globals;
+
fz_stream *fz_open_copy(fz_stream *chain);
fz_stream *fz_open_null(fz_stream *chain, int len, int offset);
fz_stream *fz_open_concat(fz_context *ctx, int max, int pad);
@@ -22,6 +25,9 @@ fz_stream *fz_open_faxd(fz_stream *chain,
fz_stream *fz_open_flated(fz_stream *chain);
fz_stream *fz_open_lzwd(fz_stream *chain, int early_change);
fz_stream *fz_open_predict(fz_stream *chain, int predictor, int columns, int colors, int bpc);
-fz_stream *fz_open_jbig2d(fz_stream *chain, fz_buffer *global);
+fz_stream *fz_open_jbig2d(fz_stream *chain, fz_jbig2_globals *globals);
+
+fz_jbig2_globals *fz_load_jbig2_globals(fz_context *ctx, unsigned char *data, int size);
+void fz_free_jbig2_globals_imp(fz_context *ctx, fz_storable *globals);
#endif