Add user context field.

This may help the MuPDF JNI code, so it's likely to be useful for
other users too.

1 files changed, 19 insertions, 0 deletions

diff --git a/include/mupdf/fitz/context.h b/include/mupdf/fitz/context.h
index 67b16b00..0dce749c 100644
--- a/include/mupdf/fitz/context.h
+++ b/include/mupdf/fitz/context.h
@@ -101,6 +101,7 @@ void fz_flush_warnings(fz_context *ctx);
 
 struct fz_context_s
 {
+	void *user;
 	fz_alloc_context *alloc;
 	fz_locks_context *locks;
 	fz_id_context *id;
@@ -190,6 +191,24 @@ fz_context *fz_clone_context(fz_context *ctx);
 void fz_drop_context(fz_context *ctx);
 
 /*
+	fz_set_user_context: Set the user field in the context.
+
+	NULL initially, this field can be set to any opaque value
+	required by the user. It is copied on clones.
+
+	Does not throw exceptions.
+*/
+void fz_set_user_context(fz_context *ctx, void *user);
+
+/*
+	fz_user_context: Read the user field from the context.
+
+	Does not throw exceptions.
+*/
+void *fz_user_context(fz_context *ctx);
+
+
+/*
 	fz_aa_level: Get the number of bits of antialiasing we are
 	using. Between 0 and 8.
 */