From: ellson <devnull@localhost>
Date: Sun, 18 Jun 2006 13:39:23 +0000 (+0000)
Subject: recover from fonts that pango doesn't like on Darwin
X-Git-Tag: LAST_LIBGRAPH~32^2~6416
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=87d386c3bcc048641f0dd41aeb50f20d8a974d4b;p=graphviz

recover from fonts that pango doesn't like on Darwin
---

diff --git a/lib/common/fontmetrics.c b/lib/common/fontmetrics.c
index 1f9b35f1e..a3514a1e1 100644
--- a/lib/common/fontmetrics.c
+++ b/lib/common/fontmetrics.c
@@ -168,7 +168,7 @@ pointf textsize(graph_t *g, textpara_t * para, char *fontname, double fontsize)
     para->fontname = fontname;
     para->fontsize = fontsize;
 
-    if (! gvtextlayout(GD_gvc(g), para, &fontpath))
+    if (! gvtextlayout(GD_gvc(g), para, &fontpath) || !fontpath)
 	estimate_textlayout(g, para, &fontpath);
 
     if (Verbose) {
diff --git a/plugin/pango/gvtextlayout_pango.c b/plugin/pango/gvtextlayout_pango.c
index d404f4f6e..a5082287c 100644
--- a/plugin/pango/gvtextlayout_pango.c
+++ b/plugin/pango/gvtextlayout_pango.c
@@ -73,6 +73,16 @@ static void pango_textlayout(textpara_t * para, char **fontpath)
 #endif
 
     pango_layout_get_extents (layout, &ink_rect, &logical_rect);
+
+    /* if pango doesn't like the font then it sets width=0 but height = garbage */
+    if (logical_rect.width == 0) {
+	*fontpath = NULL;              /* indicate a problem */
+	logical_rect.height = 0;
+    }
+    else {
+    	*fontpath = "[pango]";
+    }
+
     para->width = (double)logical_rect.width / PANGO_SCALE;
     para->height = (double)logical_rect.height / PANGO_SCALE;
 
@@ -90,8 +100,6 @@ static void pango_textlayout(textpara_t * para, char **fontpath)
 #endif
 
     pango_font_description_free (desc);
-
-    *fontpath = "[pango]";
 }
 
 static gvtextlayout_engine_t pango_textlayout_engine = {