diff options
Diffstat (limited to 'src/3rdparty/freetype/src/base/ftadvanc.c')
| -rw-r--r-- | src/3rdparty/freetype/src/base/ftadvanc.c | 27 |
1 files changed, 17 insertions, 10 deletions
diff --git a/src/3rdparty/freetype/src/base/ftadvanc.c b/src/3rdparty/freetype/src/base/ftadvanc.c index f12908f518..230c84d6ad 100644 --- a/src/3rdparty/freetype/src/base/ftadvanc.c +++ b/src/3rdparty/freetype/src/base/ftadvanc.c @@ -4,7 +4,7 @@ /* */ /* Quick computation of advance widths (body). */ /* */ -/* Copyright 2008-2015 by */ +/* Copyright 2008-2018 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -36,7 +36,7 @@ if ( flags & FT_LOAD_NO_SCALE ) return FT_Err_Ok; - if ( face->size == NULL ) + if ( !face->size ) return FT_THROW( Invalid_Size_Handle ); if ( flags & FT_LOAD_VERTICAL_LAYOUT ) @@ -60,8 +60,11 @@ /* - unscaled load */ /* - unhinted load */ /* - light-hinted load */ + /* - if a variations font, it must have an `HVAR' or `VVAR' */ + /* table (thus the old MM or GX fonts don't qualify; this */ + /* gets checked by the driver-specific functions) */ -#define LOAD_ADVANCE_FAST_CHECK( flags ) \ +#define LOAD_ADVANCE_FAST_CHECK( face, flags ) \ ( flags & ( FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING ) || \ FT_LOAD_TARGET_MODE( flags ) == FT_RENDER_MODE_LIGHT ) @@ -87,7 +90,7 @@ return FT_THROW( Invalid_Glyph_Index ); func = face->driver->clazz->get_advances; - if ( func && LOAD_ADVANCE_FAST_CHECK( flags ) ) + if ( func && LOAD_ADVANCE_FAST_CHECK( face, flags ) ) { FT_Error error; @@ -113,9 +116,12 @@ FT_Int32 flags, FT_Fixed *padvances ) { + FT_Error error = FT_Err_Ok; + FT_Face_GetAdvancesFunc func; - FT_UInt num, end, nn; - FT_Error error = FT_Err_Ok; + + FT_UInt num, end, nn; + FT_Int factor; if ( !face ) @@ -133,7 +139,7 @@ return FT_Err_Ok; func = face->driver->clazz->get_advances; - if ( func && LOAD_ADVANCE_FAST_CHECK( flags ) ) + if ( func && LOAD_ADVANCE_FAST_CHECK( face, flags ) ) { error = func( face, start, count, flags, padvances ); if ( !error ) @@ -149,16 +155,17 @@ return FT_THROW( Unimplemented_Feature ); flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY; + factor = ( flags & FT_LOAD_NO_SCALE ) ? 1 : 1024; for ( nn = 0; nn < count; nn++ ) { error = FT_Load_Glyph( face, start + nn, flags ); if ( error ) break; - /* scale from 26.6 to 16.16 */ + /* scale from 26.6 to 16.16, unless NO_SCALE was requested */ padvances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT ) - ? face->glyph->advance.y << 10 - : face->glyph->advance.x << 10; + ? face->glyph->advance.y * factor + : face->glyph->advance.x * factor; } return error; |