From 05e9d2e90e4a7cd738b25efdea4fcaacb1f3df0b Mon Sep 17 00:00:00 2001
From: Adrian Johnson <ajohnson@redneon.com>
Date: Sat, 27 Nov 2010 23:12:10 +1030
Subject: [PATCH] pdffonts: scan patterns for fonts

Patterns can also use fonts
---
 utils/pdffonts.cc |   18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diff --git a/utils/pdffonts.cc b/utils/pdffonts.cc
index 30e25dc..11d61cc 100644
--- a/utils/pdffonts.cc
+++ b/utils/pdffonts.cc
@@ -208,7 +208,7 @@ int main(int argc, char *argv[]) {
 }
 
 static void scanFonts(Dict *resDict, PDFDoc *doc) {
-  Object obj1, obj2, xObjDict, xObj, resObj;
+  Object obj1, obj2, xObjDict, xObj, resObj, patObjDict, patObj;
   Ref r;
   GfxFontDict *gfxFontDict;
   GfxFont *font;
@@ -254,6 +254,22 @@ static void scanFonts(Dict *resDict, PDFDoc *doc) {
     }
   }
   xObjDict.free();
+
+  resDict->lookup("Pattern", &patObjDict);
+  if (patObjDict.isDict()) {
+    for (i = 0; i < patObjDict.dictGetLength(); ++i) {
+      patObjDict.dictGetVal(i, &patObj);
+      if (patObj.isStream()) {
+	patObj.streamGetDict()->lookup("Resources", &resObj);
+	if (resObj.isDict()) {
+	  scanFonts(resObj.getDict(), doc);
+	}
+	resObj.free();
+      }
+      patObj.free();
+    }
+  }
+  patObjDict.free();
 }
 
 static void scanFont(GfxFont *font, PDFDoc *doc) {
-- 
1.7.1