From 6845a4fb0147117e8517d66f18792ca7acdbe06e Mon Sep 17 00:00:00 2001 From: Konstantin Ritt Date: Tue, 26 Mar 2013 08:57:05 +0200 Subject: Update bundled FreeType sources to 2.3.12 Most important changes: * SFNT cmap 13 table format support; * fixed glitches when rasterizing stretched TTF (xsize!=ysize); * various fixes in Type1, CFF, and PCF drivers Change-Id: Ib9e2210ffbd0daa2fdbf518ea87f4be502de6b48 Reviewed-by: Thiago Macieira Reviewed-by: Lars Knoll --- src/3rdparty/freetype/src/cache/ftcbasic.c | 94 +++++++++++++++++++++--------- 1 file changed, 67 insertions(+), 27 deletions(-) (limited to 'src/3rdparty/freetype/src/cache/ftcbasic.c') diff --git a/src/3rdparty/freetype/src/cache/ftcbasic.c b/src/3rdparty/freetype/src/cache/ftcbasic.c index a568b975bb..ebc8871ccc 100644 --- a/src/3rdparty/freetype/src/cache/ftcbasic.c +++ b/src/3rdparty/freetype/src/cache/ftcbasic.c @@ -4,7 +4,7 @@ /* */ /* The FreeType basic cache interface (body). */ /* */ -/* Copyright 2003, 2004, 2005, 2006, 2007 by */ +/* Copyright 2003, 2004, 2005, 2006, 2007, 2009 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -17,15 +17,17 @@ #include +#include FT_INTERNAL_DEBUG_H #include FT_CACHE_H #include "ftcglyph.h" #include "ftcimage.h" #include "ftcsbits.h" -#include FT_INTERNAL_MEMORY_H #include "ftccback.h" #include "ftcerror.h" +#define FT_COMPONENT trace_cache + #ifdef FT_CONFIG_OPTION_OLD_INTERNALS @@ -140,8 +142,18 @@ error = FTC_Manager_LookupFace( manager, family->attrs.scaler.face_id, &face ); + + if ( error || !face ) + return result; + + if ( (FT_ULong)face->num_glyphs > FT_UINT_MAX || 0 > face->num_glyphs ) + { + FT_TRACE1(( "ftc_basic_family_get_count: too large number of glyphs " )); + FT_TRACE1(( "in this face, truncated\n", face->num_glyphs )); + } + if ( !error ) - result = face->num_glyphs; + result = (FT_UInt)face->num_glyphs; return result; } @@ -304,7 +316,7 @@ FTC_Node *anode ) { FTC_BasicQueryRec query; - FTC_INode node = 0; /* make compiler happy */ + FTC_Node node = 0; /* make compiler happy */ FT_Error error; FT_UInt32 hash; @@ -320,13 +332,13 @@ if ( anode ) *anode = NULL; -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS +#if defined( FT_CONFIG_OPTION_OLD_INTERNALS ) && ( FT_INT_MAX > 0xFFFFU ) /* * This one is a major hack used to detect whether we are passed a * regular FTC_ImageType handle, or a legacy FTC_OldImageDesc one. */ - if ( type->width >= 0x10000 ) + if ( (FT_ULong)type->width >= 0x10000L ) { FTC_OldImageDesc desc = (FTC_OldImageDesc)type; @@ -341,10 +353,16 @@ #endif /* FT_CONFIG_OPTION_OLD_INTERNALS */ { + if ( (FT_ULong)(type->flags - FT_INT_MIN) > FT_UINT_MAX ) + { + FT_TRACE1(( "FTC_ImageCache_Lookup: higher bits in load_flags" )); + FT_TRACE1(( "0x%x are dropped\n", (type->flags & ~((FT_ULong)FT_UINT_MAX)) )); + } + query.attrs.scaler.face_id = type->face_id; query.attrs.scaler.width = type->width; query.attrs.scaler.height = type->height; - query.attrs.load_flags = type->flags; + query.attrs.load_flags = (FT_UInt)type->flags; } query.attrs.scaler.pixel = 1; @@ -365,7 +383,7 @@ error = FTC_GCache_Lookup( FTC_GCACHE( cache ), hash, gindex, FTC_GQUERY( &query ), - (FTC_Node*) &node ); + &node ); #endif if ( !error ) { @@ -373,8 +391,8 @@ if ( anode ) { - *anode = FTC_NODE( node ); - FTC_NODE( node )->ref_count++; + *anode = node; + node->ref_count++; } } @@ -394,7 +412,7 @@ FTC_Node *anode ) { FTC_BasicQueryRec query; - FTC_INode node = 0; /* make compiler happy */ + FTC_Node node = 0; /* make compiler happy */ FT_Error error; FT_UInt32 hash; @@ -410,8 +428,15 @@ if ( anode ) *anode = NULL; + /* FT_Load_Glyph(), FT_Load_Char() take FT_UInt flags */ + if ( load_flags > FT_UINT_MAX ) + { + FT_TRACE1(( "FTC_ImageCache_LookupScaler: higher bits in load_flags" )); + FT_TRACE1(( "0x%x are dropped\n", (load_flags & ~((FT_ULong)FT_UINT_MAX)) )); + } + query.attrs.scaler = scaler[0]; - query.attrs.load_flags = load_flags; + query.attrs.load_flags = (FT_UInt)load_flags; hash = FTC_BASIC_ATTR_HASH( &query.attrs ) + gindex; @@ -428,8 +453,8 @@ if ( anode ) { - *anode = FTC_NODE( node ); - FTC_NODE( node )->ref_count++; + *anode = node; + node->ref_count++; } } @@ -630,7 +655,7 @@ { FT_Error error; FTC_BasicQueryRec query; - FTC_SNode node = 0; /* make compiler happy */ + FTC_Node node = 0; /* make compiler happy */ FT_UInt32 hash; @@ -643,12 +668,12 @@ *ansbit = NULL; -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS +#if defined( FT_CONFIG_OPTION_OLD_INTERNALS ) && ( FT_INT_MAX > 0xFFFFU ) /* This one is a major hack used to detect whether we are passed a * regular FTC_ImageType handle, or a legacy FTC_OldImageDesc one. */ - if ( type->width >= 0x10000 ) + if ( (FT_ULong)type->width >= 0x10000L ) { FTC_OldImageDesc desc = (FTC_OldImageDesc)type; @@ -663,10 +688,16 @@ #endif /* FT_CONFIG_OPTION_OLD_INTERNALS */ { + if ( (FT_ULong)(type->flags - FT_INT_MIN) > FT_UINT_MAX ) + { + FT_TRACE1(( "FTC_ImageCache_Lookup: higher bits in load_flags" )); + FT_TRACE1(( "0x%x are dropped\n", (type->flags & ~((FT_ULong)FT_UINT_MAX)) )); + } + query.attrs.scaler.face_id = type->face_id; query.attrs.scaler.width = type->width; query.attrs.scaler.height = type->height; - query.attrs.load_flags = type->flags; + query.attrs.load_flags = (FT_UInt)type->flags; } query.attrs.scaler.pixel = 1; @@ -690,17 +721,18 @@ hash, gindex, FTC_GQUERY( &query ), - (FTC_Node*)&node ); + &node ); #endif if ( error ) goto Exit; - *ansbit = node->sbits + ( gindex - FTC_GNODE( node )->gindex ); + *ansbit = FTC_SNODE( node )->sbits + + ( gindex - FTC_GNODE( node )->gindex ); if ( anode ) { - *anode = FTC_NODE( node ); - FTC_NODE( node )->ref_count++; + *anode = node; + node->ref_count++; } Exit: @@ -720,7 +752,7 @@ { FT_Error error; FTC_BasicQueryRec query; - FTC_SNode node = 0; /* make compiler happy */ + FTC_Node node = 0; /* make compiler happy */ FT_UInt32 hash; @@ -733,8 +765,15 @@ *ansbit = NULL; + /* FT_Load_Glyph(), FT_Load_Char() take FT_UInt flags */ + if ( load_flags > FT_UINT_MAX ) + { + FT_TRACE1(( "FTC_ImageCache_LookupScaler: higher bits in load_flags" )); + FT_TRACE1(( "0x%x are dropped\n", (load_flags & ~((FT_ULong)FT_UINT_MAX)) )); + } + query.attrs.scaler = scaler[0]; - query.attrs.load_flags = load_flags; + query.attrs.load_flags = (FT_UInt)load_flags; /* beware, the hash must be the same for all glyph ranges! */ hash = FTC_BASIC_ATTR_HASH( &query.attrs ) + @@ -750,12 +789,13 @@ if ( error ) goto Exit; - *ansbit = node->sbits + ( gindex - FTC_GNODE( node )->gindex ); + *ansbit = FTC_SNODE( node )->sbits + + ( gindex - FTC_GNODE( node )->gindex ); if ( anode ) { - *anode = FTC_NODE( node ); - FTC_NODE( node )->ref_count++; + *anode = node; + node->ref_count++; } Exit: -- cgit v1.2.3