From 1be84ed1d4fbe44387222995a124a4f84ee55210 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ghostscript.com>
Date: Thu, 11 Nov 2004 07:52:33 +0100
Subject: fitz tree resource reference counting

---
 tree/font.c | 31 +++++++++++++++++++++----------
 1 file changed, 21 insertions(+), 10 deletions(-)

(limited to 'tree/font.c')

diff --git a/tree/font.c b/tree/font.c
index 16626651..91ba7954 100644
--- a/tree/font.c
+++ b/tree/font.c
@@ -3,6 +3,7 @@
 void
 fz_initfont(fz_font *font, char *name)
 {
+	font->nrefs = 1;
 	strlcpy(font->name, name, sizeof font->name);
 
 	font->wmode = 0;
@@ -30,6 +31,26 @@ fz_initfont(fz_font *font, char *name)
 	font->dvmtx.w = -1000;
 }
 
+fz_font *
+fz_keepfont(fz_font *font)
+{
+	font->nrefs ++;
+	return font;
+}
+
+void
+fz_dropfont(fz_font *font)
+{
+	if (--font->nrefs == 0)
+	{
+		if (font->drop)
+			font->drop(font);
+		fz_free(font->hmtx);
+		fz_free(font->vmtx);
+		fz_free(font);
+	}
+}
+
 void
 fz_setfontwmode(fz_font *font, int wmode)
 {
@@ -215,16 +236,6 @@ notfound:
 	return v;
 }
 
-void
-fz_dropfont(fz_font *font)
-{
-	if (font->drop)
-		font->drop(font);
-	fz_free(font->hmtx);
-	fz_free(font->vmtx);
-	fz_free(font);
-}
-
 void
 fz_debugfont(fz_font *font)
 {
-- 
cgit v1.2.3