diff options
Diffstat (limited to 'modules/freetype2/src/cache/ftcbasic.c')
| -rw-r--r-- | modules/freetype2/src/cache/ftcbasic.c | 40 |
1 files changed, 35 insertions, 5 deletions
diff --git a/modules/freetype2/src/cache/ftcbasic.c b/modules/freetype2/src/cache/ftcbasic.c index fc8905c95..994aa1228 100644 --- a/modules/freetype2/src/cache/ftcbasic.c +++ b/modules/freetype2/src/cache/ftcbasic.c @@ -4,7 +4,7 @@ /* */ /* The FreeType basic cache interface (body). */ /* */ -/* Copyright 2003-2016 by */ +/* Copyright 2003-2018 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -304,10 +304,18 @@ if ( anode ) *anode = NULL; - if ( (FT_ULong)( type->flags - FT_INT_MIN ) > FT_UINT_MAX ) + /* + * Internal `FTC_BasicAttr->load_flags' is of type `FT_UInt', + * but public `FT_ImageType->flags' is of type `FT_Int32'. + * + * On 16bit systems, higher bits of type->flags cannot be handled. + */ +#if 0xFFFFFFFFUL > FT_UINT_MAX + if ( (type->flags & (FT_ULong)FT_UINT_MAX) ) FT_TRACE1(( "FTC_ImageCache_Lookup:" " higher bits in load_flags 0x%x are dropped\n", (FT_ULong)type->flags & ~((FT_ULong)FT_UINT_MAX) )); +#endif query.attrs.scaler.face_id = type->face_id; query.attrs.scaler.width = type->width; @@ -377,11 +385,18 @@ if ( anode ) *anode = NULL; - /* `FT_Load_Glyph' and `FT_Load_Char' take FT_UInt flags */ + /* + * Internal `FTC_BasicAttr->load_flags' is of type `FT_UInt', + * but public `FT_Face->face_flags' is of type `FT_Long'. + * + * On long > int systems, higher bits of load_flags cannot be handled. + */ +#if FT_ULONG_MAX > FT_UINT_MAX if ( load_flags > FT_UINT_MAX ) FT_TRACE1(( "FTC_ImageCache_LookupScaler:" " higher bits in load_flags 0x%x are dropped\n", load_flags & ~((FT_ULong)FT_UINT_MAX) )); +#endif query.attrs.scaler = scaler[0]; query.attrs.load_flags = (FT_UInt)load_flags; @@ -487,10 +502,18 @@ *ansbit = NULL; - if ( (FT_ULong)( type->flags - FT_INT_MIN ) > FT_UINT_MAX ) + /* + * Internal `FTC_BasicAttr->load_flags' is of type `FT_UInt', + * but public `FT_ImageType->flags' is of type `FT_Int32'. + * + * On 16bit systems, higher bits of type->flags cannot be handled. + */ +#if 0xFFFFFFFFUL > FT_UINT_MAX + if ( (type->flags & (FT_ULong)FT_UINT_MAX) ) FT_TRACE1(( "FTC_ImageCache_Lookup:" " higher bits in load_flags 0x%x are dropped\n", (FT_ULong)type->flags & ~((FT_ULong)FT_UINT_MAX) )); +#endif query.attrs.scaler.face_id = type->face_id; query.attrs.scaler.width = type->width; @@ -562,11 +585,18 @@ *ansbit = NULL; - /* `FT_Load_Glyph' and `FT_Load_Char' take FT_UInt flags */ + /* + * Internal `FTC_BasicAttr->load_flags' is of type `FT_UInt', + * but public `FT_Face->face_flags' is of type `FT_Long'. + * + * On long > int systems, higher bits of load_flags cannot be handled. + */ +#if FT_ULONG_MAX > FT_UINT_MAX if ( load_flags > FT_UINT_MAX ) FT_TRACE1(( "FTC_ImageCache_LookupScaler:" " higher bits in load_flags 0x%x are dropped\n", load_flags & ~((FT_ULong)FT_UINT_MAX) )); +#endif query.attrs.scaler = scaler[0]; query.attrs.load_flags = (FT_UInt)load_flags; |