Move guts of pdfclean into new pdf_write function.

Expose pdf_write function through the document interface.

3 files changed, 54 insertions, 0 deletions

diff --git a/fitz/doc_document.c b/fitz/doc_document.c
index 22229892..83dbe53f 100644
--- a/fitz/doc_document.c
+++ b/fitz/doc_document.c
@@ -129,3 +129,10 @@ fz_meta(fz_document *doc, int key, void *ptr, int size)
 		return doc->meta(doc, key, ptr, size);
 	return FZ_META_UNKNOWN_KEY;
 }
+
+void
+fz_write(fz_document *doc, char *filename, fz_write_opts *opts)
+{
+	if (doc && doc->write)
+		doc->write(doc, filename, opts);
+}
\ No newline at end of file
diff --git a/fitz/fitz-internal.h b/fitz/fitz-internal.h
index bd19886c..1e54c900 100644
--- a/fitz/fitz-internal.h
+++ b/fitz/fitz-internal.h
@@ -1080,6 +1080,7 @@ struct fz_document_s
 	void (*run_page)(fz_document *doc, fz_page *page, fz_device *dev, fz_matrix transform, fz_cookie *cookie);
 	void (*free_page)(fz_document *doc, fz_page *page);
 	int (*meta)(fz_document *doc, int key, void *ptr, int size);
+	void (*write)(fz_document *doc, char *filename, fz_write_options *opts);
 };
 
 #endif
diff --git a/fitz/fitz.h b/fitz/fitz.h
index 04215c71..61f80756 100644
--- a/fitz/fitz.h
+++ b/fitz/fitz.h
@@ -2231,4 +2231,50 @@ enum
 	FZ_META_INFO = 4,
 };
 
+typedef struct fz_write_options_s fz_write_options;
+
+/*
+	In calls to fz_write, the following options structure can be used
+	to control aspects of the writing process. This structure may grow
+	in future, and should be zero-filled to allow forwards compatiblity.
+*/
+struct fz_write_options_s
+{
+	int doascii;    /*	If non-zero then attempt (where possible) to
+				make the output ascii. */
+	int doexpand;	/*	Bitflags; each non zero bit indicates an aspect
+				of the file that should be 'expanded' on
+				writing. */
+	int dogarbage;	/*	If non-zero then attempt (where possible) to
+				garbage collect the file before writing. */
+};
+
+/*	An enumeration of bitflags to use in the above 'doexpand' field of
+	fz_write_options.
+*/
+enum
+{
+	fz_expand_images = 1,
+	fz_expand_fonts = 2,
+	fz_expand_all = -1
+};
+
+/*
+	fz_write: Write a document out.
+
+	(In development - Subject to change in future versions)
+
+	Save a copy of the current document in its original format.
+	Internally the document may change.
+
+	doc: The document to save.
+
+	filename: The filename to save to.
+
+	opts: NULL, or a pointer to an options structure.
+
+	May throw exceptions.
+*/
+void fz_write(fz_document *doc, char *filename, fz_write_options *opts);
+
 #endif