From 590d3b9e3a2abdd37270ca64689a64c4e879fbe6 Mon Sep 17 00:00:00 2001
From: Steve Bennetts <steve@lindenlab.com>
Date: Thu, 15 Oct 2009 14:14:46 -0700
Subject: EXT-1279 Crash if font file not found. Added getFontDefault() to
 llfontgl.h

--HG--
branch : branch-test
---
 indra/llrender/llfontgl.cpp        | 7 +++++++
 indra/llrender/llfontgl.h          | 1 +
 indra/llrender/llfontregistry.cpp  | 5 ++++-
 indra/llui/llconsole.cpp           | 5 +++++
 indra/llui/llui.cpp                | 7 ++++++-
 indra/newview/llfolderviewitem.cpp | 4 ++++
 6 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp
index f7bab3de67..16c99599cf 100644
--- a/indra/llrender/llfontgl.cpp
+++ b/indra/llrender/llfontgl.cpp
@@ -910,6 +910,13 @@ LLFontGL* LLFontGL::getFontByName(const std::string& name)
 	}
 }
 
+//static
+LLFontGL* LLFontGL::getFontDefault()
+{
+	return getFontSansSerif(); // Fallback to sans serif as default font
+}
+
+
 // static 
 std::string LLFontGL::getFontPathSystem()
 {
diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h
index ad84b6d641..d6d6436aee 100644
--- a/indra/llrender/llfontgl.h
+++ b/indra/llrender/llfontgl.h
@@ -167,6 +167,7 @@ public:
 	static LLFontGL* getFont(const LLFontDescriptor& desc);
 	// Use with legacy names like "SANSSERIF_SMALL" or "OCRA"
 	static LLFontGL* getFontByName(const std::string& name);
+	static LLFontGL* getFontDefault(); // default fallback font
 
 	static std::string getFontPathLocal();
 	static std::string getFontPathSystem();
diff --git a/indra/llrender/llfontregistry.cpp b/indra/llrender/llfontregistry.cpp
index 45573cd817..7a3d6ec4f2 100644
--- a/indra/llrender/llfontregistry.cpp
+++ b/indra/llrender/llfontregistry.cpp
@@ -380,7 +380,10 @@ LLFontGL *LLFontRegistry::createFont(const LLFontDescriptor& desc)
 	LLFontDescriptor nearest_exact_desc = *match_desc;
 	nearest_exact_desc.setSize(norm_desc.getSize());
 	font_reg_map_t::iterator it = mFontMap.find(nearest_exact_desc);
-	if (it != mFontMap.end())
+	// If we fail to find a font in the fonts directory, it->second might be NULL.
+	// We shouldn't construcnt a font with a NULL mFontFreetype.
+	// This may not be the best solution, but it at least prevents a crash.
+	if (it != mFontMap.end() && it->second != NULL)
 	{
 		llinfos << "-- matching font exists: " << nearest_exact_desc.getName() << " size " << nearest_exact_desc.getSize() << " style " << ((S32) nearest_exact_desc.getStyle()) << llendl;
 		
diff --git a/indra/llui/llconsole.cpp b/indra/llui/llconsole.cpp
index 285ce82d2d..e0053b4cc7 100644
--- a/indra/llui/llconsole.cpp
+++ b/indra/llui/llconsole.cpp
@@ -120,6 +120,11 @@ void LLConsole::setFontSize(S32 size_index)
 	{
 		mFont = LLFontGL::getFontSansSerifHuge();
 	}
+	// Make sure the font exists
+	if (mFont == NULL)
+	{
+		mFont = LLFontGL::getFontDefault();
+	}
 	
 	for(paragraph_t::iterator paragraph_it = mParagraphs.begin(); paragraph_it != mParagraphs.end(); paragraph_it++)
 	{
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp
index c89e5944fa..eb1b60244d 100644
--- a/indra/llui/llui.cpp
+++ b/indra/llui/llui.cpp
@@ -1954,7 +1954,12 @@ namespace LLInitParam
 				return fontp;
 			}
 		}
-
+		
+		if (mData.mValue == NULL)
+		{
+			mData.mValue = LLFontGL::getFontDefault();
+		}
+		
 		// default to current value
 		return mData.mValue;
 	}
diff --git a/indra/newview/llfolderviewitem.cpp b/indra/newview/llfolderviewitem.cpp
index ee5fba5ace..ea1275aad1 100644
--- a/indra/newview/llfolderviewitem.cpp
+++ b/indra/newview/llfolderviewitem.cpp
@@ -70,6 +70,10 @@ LLFontGL* LLFolderViewItem::getLabelFontForStyle(U8 style)
 	{
 		LLFontDescriptor labelfontdesc("SansSerif", "Small", style);
 		rtn = LLFontGL::getFont(labelfontdesc);
+		if (!rtn)
+		{
+			rtn = LLFontGL::getFontDefault();
+		}
 		sFonts[style] = rtn;
 	}
 	return rtn;
-- 
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