diff options
Diffstat (limited to 'freetype/src/truetype/ttgload.c')
| -rw-r--r-- | freetype/src/truetype/ttgload.c | 69 |
1 files changed, 41 insertions, 28 deletions
diff --git a/freetype/src/truetype/ttgload.c b/freetype/src/truetype/ttgload.c index 3b4580cd7..8e8f48587 100644 --- a/freetype/src/truetype/ttgload.c +++ b/freetype/src/truetype/ttgload.c @@ -4,7 +4,7 @@ /* */ /* TrueType Glyph Loader (body). */ /* */ -/* Copyright 1996-2013 */ +/* Copyright 1996-2014 */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -99,13 +99,13 @@ else if ( face->os2.version != 0xFFFFU ) { - *tsb = face->os2.sTypoAscender - yMax; + *tsb = (FT_Short)( face->os2.sTypoAscender - yMax ); *ah = face->os2.sTypoAscender - face->os2.sTypoDescender; } else { - *tsb = face->horizontal.Ascender - yMax; + *tsb = (FT_Short)( face->horizontal.Ascender - yMax ); *ah = face->horizontal.Ascender - face->horizontal.Descender; } @@ -801,10 +801,8 @@ FT_Outline current_outline = gloader->current.outline; - error = TT_Set_CodeRange( loader->exec, tt_coderange_glyph, - loader->exec->glyphIns, n_ins ); - if ( error ) - return error; + TT_Set_CodeRange( loader->exec, tt_coderange_glyph, + loader->exec->glyphIns, n_ins ); loader->exec->is_composite = is_composite; loader->exec->pts = *zone; @@ -1789,8 +1787,12 @@ /* (1): exists from the beginning */ /* (2): components that have been loaded so far */ /* (3): the newly loaded component */ - TT_Process_Composite_Component( loader, subglyph, start_point, - num_base_points ); + error = TT_Process_Composite_Component( loader, + subglyph, + start_point, + num_base_points ); + if ( error ) + goto Exit; } loader->stream = old_stream; @@ -1799,16 +1801,17 @@ /* process the glyph */ loader->ins_pos = ins_pos; if ( IS_HINTED( loader->load_flags ) && - #ifdef TT_USE_BYTECODE_INTERPRETER - subglyph->flags & WE_HAVE_INSTR && - #endif - num_points > start_point ) - TT_Process_Composite_Glyph( loader, start_point, start_contour ); - + { + error = TT_Process_Composite_Glyph( loader, + start_point, + start_contour ); + if ( error ) + goto Exit; + } } } else @@ -2083,6 +2086,8 @@ FT_Int32 load_flags, FT_Bool glyf_table_only ) { + FT_Error error; + TT_Face face; FT_Stream stream; #ifdef TT_USE_BYTECODE_INTERPRETER @@ -2120,14 +2125,16 @@ FT_Bool reexecute = FALSE; - if ( !size->cvt_ready ) + if ( size->bytecode_ready < 0 || size->cvt_ready < 0 ) { - FT_Error error = tt_size_ready_bytecode( size, pedantic ); - - + error = tt_size_ready_bytecode( size, pedantic ); if ( error ) return error; } + else if ( size->bytecode_ready ) + return size->bytecode_ready; + else if ( size->cvt_ready ) + return size->cvt_ready; /* query new execution context */ exec = size->debug ? size->context @@ -2191,7 +2198,9 @@ FT_RENDER_MODE_MONO ); } - TT_Load_Context( exec, face, size ); + error = TT_Load_Context( exec, face, size ); + if ( error ) + return error; #ifdef TT_CONFIG_OPTION_SUBPIXEL_HINTING @@ -2243,7 +2252,9 @@ for ( i = 0; i < size->cvt_size; i++ ) size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale ); - tt_size_run_prep( size, pedantic ); + error = tt_size_run_prep( size, pedantic ); + if ( error ) + return error; } /* see whether the cvt program has disabled hinting */ @@ -2274,8 +2285,7 @@ #endif { - FT_Error error = face->goto_table( face, TTAG_glyf, stream, 0 ); - + error = face->goto_table( face, TTAG_glyf, stream, 0 ); if ( FT_ERR_EQ( error, Table_Missing ) ) loader->glyf_offset = 0; @@ -2366,15 +2376,18 @@ (void)tt_loader_init( &loader, size, glyph, load_flags, TRUE ); (void)load_truetype_glyph( &loader, glyph_index, 0, TRUE ); glyph->linearHoriAdvance = loader.linear; - glyph->linearVertAdvance = loader.top_bearing + loader.bbox.yMax - - loader.vadvance; + glyph->linearVertAdvance = loader.vadvance; - /* sanity check: if `horiAdvance' in the sbit metric */ - /* structure isn't set, use `linearHoriAdvance' */ + /* sanity checks: if `xxxAdvance' in the sbit metric */ + /* structure isn't set, use `linearXXXAdvance' */ if ( !glyph->metrics.horiAdvance && glyph->linearHoriAdvance ) glyph->metrics.horiAdvance = FT_MulFix( glyph->linearHoriAdvance, size->root.metrics.x_scale ); + if ( !glyph->metrics.vertAdvance && glyph->linearVertAdvance ) + glyph->metrics.vertAdvance = + FT_MulFix( glyph->linearVertAdvance, + size->root.metrics.y_scale ); } return FT_Err_Ok; @@ -2454,7 +2467,7 @@ #endif /* TT_USE_BYTECODE_INTERPRETER */ - compute_glyph_metrics( &loader, glyph_index ); + error = compute_glyph_metrics( &loader, glyph_index ); } /* Set the `high precision' bit flag. */ |