Split part of fz_document interface for pdf_document into separate file.

Make a separate constructor function that does not link in the
interpreter, so we can save space in the mubusy binary by not
including the font and cmap resources.

1 files changed, 31 insertions, 0 deletions

diff --git a/pdf/pdf_xref_aux.c b/pdf/pdf_xref_aux.c
new file mode 100644
index 00000000..2d760334
--- /dev/null
+++ b/pdf/pdf_xref_aux.c
@@ -0,0 +1,31 @@
+#include "fitz-internal.h"
+#include "mupdf-internal.h"
+
+/*
+	These functions have been split out of pdf_xref.c to allow tools
+	to be linked without pulling in the interpreter.  The interpreter
+	references the built-in font and cmap resources which are quite
+	big. Not linking those into the tools saves roughly 6MB in the
+	resulting executables.
+*/
+
+static void pdf_run_page_shim(fz_document *doc, fz_page *page, fz_device *dev, fz_matrix transform, fz_cookie *cookie)
+{
+	pdf_run_page((pdf_document*)doc, (pdf_page*)page, dev, transform, cookie);
+}
+
+pdf_document *
+pdf_open_document_with_stream(fz_stream *file)
+{
+	pdf_document *doc = pdf_open_document_no_run_with_stream(file);
+	doc->super.run_page = pdf_run_page_shim;
+	return doc;
+}
+
+pdf_document *
+pdf_open_document(fz_context *ctx, const char *filename)
+{
+	pdf_document *doc = pdf_open_document_no_run(ctx, filename);
+	doc->super.run_page = pdf_run_page_shim;
+	return doc;
+}