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include/mupdf/fitz/link.h

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+#ifndef MUPDF_FITZ_LINK_H
+#define MUPDF_FITZ_LINK_H
+
+#include "mupdf/fitz/system.h"
+#include "mupdf/fitz/context.h"
+#include "mupdf/fitz/geometry.h"
+
+/*
+	Links
+*/
+
+typedef struct fz_link_s fz_link;
+
+/*
+	fz_link is a list of interactive links on a page.
+
+	There is no relation between the order of the links in the
+	list and the order they appear on the page. The list of links
+	for a given page can be obtained from fz_load_links.
+
+	A link is reference counted. Dropping a reference to a link is
+	done by calling fz_drop_link.
+
+	rect: The hot zone. The area that can be clicked in
+	untransformed coordinates.
+
+	uri: Link destinations come in two forms: internal and external.
+	Internal links refer to other pages in the same document.
+	External links are URLs to other documents.
+
+	next: A pointer to the next link on the same page.
+*/
+struct fz_link_s
+{
+	int refs;
+	fz_link *next;
+	fz_rect rect;
+	void *doc;
+	char *uri;
+};
+
+fz_link *fz_new_link(fz_context *ctx, const fz_rect *bbox, void *doc, const char *uri);
+fz_link *fz_keep_link(fz_context *ctx, fz_link *link);
+
+/*
+	Checks if a link destination is external or internal.
+*/
+int fz_is_external_link(fz_context *ctx, const char *uri);
+
+/*
+	fz_drop_link: Drop and free a list of links.
+*/
+void fz_drop_link(fz_context *ctx, fz_link *link);
+
+#endif