Add simple CJK font creation.

Create a non-embedded CJK font using UTF-16 encoding. This can be used
in mutool create like so:

	%%CJKFont Ming GB1
	BT
	/Ming 10 Tf
	100 100 Td
	<4F60 597D> Tj
	ET

2 files changed, 3 insertions, 2 deletions

diff --git a/include/mupdf/pdf/font.h b/include/mupdf/pdf/font.h
index 10571f0b..730d3459 100644
--- a/include/mupdf/pdf/font.h
+++ b/include/mupdf/pdf/font.h
@@ -125,6 +125,7 @@ void pdf_run_glyph(fz_context *ctx, pdf_document *doc, pdf_obj *resources, fz_bu
 
 pdf_obj *pdf_add_simple_font(fz_context *ctx, pdf_document *doc, fz_font *font);
 pdf_obj *pdf_add_cid_font(fz_context *ctx, pdf_document *doc, fz_font *font);
+pdf_obj *pdf_add_cjk_font(fz_context *ctx, pdf_document *doc, fz_font *font, int script);
 
 int pdf_font_writing_supported(fz_font *font);
 
diff --git a/include/mupdf/pdf/resource.h b/include/mupdf/pdf/resource.h
index 6bede024..885a404e 100644
--- a/include/mupdf/pdf/resource.h
+++ b/include/mupdf/pdf/resource.h
@@ -17,9 +17,9 @@ void pdf_empty_store(fz_context *ctx, pdf_document *doc);
  * the data, enabling rapid lookup.
  */
 
-enum { PDF_SIMPLE_FONT_RESOURCE=1, PDF_CID_FONT_RESOURCE=2 };
+enum { PDF_SIMPLE_FONT_RESOURCE=1, PDF_CID_FONT_RESOURCE=2, PDF_CJK_FONT_RESOURCE=3 };
 
-pdf_obj *pdf_find_font_resource(fz_context *ctx, pdf_document *doc, int type, fz_buffer *item, unsigned char md5[16]);
+pdf_obj *pdf_find_font_resource(fz_context *ctx, pdf_document *doc, int type, int encoding, fz_buffer *item, unsigned char md5[16]);
 pdf_obj *pdf_insert_font_resource(fz_context *ctx, pdf_document *doc, unsigned char md5[16], pdf_obj *obj);
 pdf_obj *pdf_find_image_resource(fz_context *ctx, pdf_document *doc, fz_image *item, unsigned char md5[16]);
 pdf_obj *pdf_insert_image_resource(fz_context *ctx, pdf_document *doc, unsigned char md5[16], pdf_obj *obj);