diff --git a/ChangeLog b/ChangeLog index 44e4af5ff..b9c75b3b1 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,14 @@ +2011-02-01 Werner Lemberg + + [truetype] FT_LOAD_PEDANTIC now affects `prep' and `fpgm' also. + + * src/truetype/ttgload.c (tt_loader_init): Handle + `FT_LOAD_PEDANTIC'. + * src/truetype/ttobjs.c (tt_size_run_fpgm, tt_size_run_prep, + tt_size_init_bytecode, tt_size_ready_bytecode): New argument to + handle pedantic mode. + * src/truetype/ttobjs.h: Updated. + 2011-01-31 Werner Lemberg [truetype] Protect jump instructions against endless loops. diff --git a/src/truetype/ttgload.c b/src/truetype/ttgload.c index 03503067f..a28d168e1 100644 --- a/src/truetype/ttgload.c +++ b/src/truetype/ttgload.c @@ -1868,6 +1868,7 @@ { TT_Face face; FT_Stream stream; + FT_Bool pedantic = FT_BOOL( load_flags & FT_LOAD_PEDANTIC ); face = (TT_Face)glyph->face; @@ -1886,7 +1887,7 @@ if ( !size->cvt_ready ) { - FT_Error error = tt_size_ready_bytecode( size ); + FT_Error error = tt_size_ready_bytecode( size, pedantic ); if ( error ) @@ -1918,7 +1919,7 @@ for ( i = 0; i < size->cvt_size; i++ ) size->cvt[i] = FT_MulFix( face->cvt[i], size->ttmetrics.scale ); - tt_size_run_prep( size ); + tt_size_run_prep( size, pedantic ); } /* see whether the cvt program has disabled hinting */ diff --git a/src/truetype/ttobjs.c b/src/truetype/ttobjs.c index 8fe86ad10..f6e5f5d2a 100644 --- a/src/truetype/ttobjs.c +++ b/src/truetype/ttobjs.c @@ -4,8 +4,7 @@ /* */ /* Objects manager (body). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, */ -/* 2010 by */ +/* Copyright 1996-2011 */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -570,13 +569,16 @@ /* Run the font program. */ /* */ /* */ - /* size :: A handle to the size object. */ + /* size :: A handle to the size object. */ + /* */ + /* pedantic :: Set if bytecode execution should be pedantic. */ /* */ /* */ /* FreeType error code. 0 means success. */ /* */ FT_LOCAL_DEF( FT_Error ) - tt_size_run_fpgm( TT_Size size ) + tt_size_run_fpgm( TT_Size size, + FT_Bool pedantic ) { TT_Face face = (TT_Face)size->root.face; TT_ExecContext exec; @@ -594,15 +596,17 @@ TT_Load_Context( exec, face, size ); - exec->callTop = 0; - exec->top = 0; + exec->callTop = 0; + exec->top = 0; exec->period = 64; exec->phase = 0; exec->threshold = 0; exec->instruction_trap = FALSE; - exec->F_dot_P = 0x10000L; + exec->F_dot_P = 0x10000L; + + exec->pedantic_hinting = pedantic; { FT_Size_Metrics* metrics = &exec->metrics; @@ -659,13 +663,16 @@ /* Run the control value program. */ /* */ /* */ - /* size :: A handle to the size object. */ + /* size :: A handle to the size object. */ + /* */ + /* pedantic :: Set if bytecode execution should be pedantic. */ /* */ /* */ /* FreeType error code. 0 means success. */ /* */ FT_LOCAL_DEF( FT_Error ) - tt_size_run_prep( TT_Size size ) + tt_size_run_prep( TT_Size size, + FT_Bool pedantic ) { TT_Face face = (TT_Face)size->root.face; TT_ExecContext exec; @@ -688,6 +695,8 @@ exec->instruction_trap = FALSE; + exec->pedantic_hinting = pedantic; + TT_Set_CodeRange( exec, tt_coderange_cvt, face->cvt_program, @@ -766,7 +775,8 @@ /* Initialize bytecode-related fields in the size object. */ /* We do this only if bytecode interpretation is really needed. */ static FT_Error - tt_size_init_bytecode( FT_Size ftsize ) + tt_size_init_bytecode( FT_Size ftsize, + FT_Bool pedantic ) { FT_Error error; TT_Size size = (TT_Size)ftsize; @@ -839,7 +849,7 @@ } /* Fine, now run the font program! */ - error = tt_size_run_fpgm( size ); + error = tt_size_run_fpgm( size, pedantic ); Exit: if ( error ) @@ -850,14 +860,15 @@ FT_LOCAL_DEF( FT_Error ) - tt_size_ready_bytecode( TT_Size size ) + tt_size_ready_bytecode( TT_Size size, + FT_Bool pedantic ) { FT_Error error = TT_Err_Ok; if ( !size->bytecode_ready ) { - error = tt_size_init_bytecode( (FT_Size)size ); + error = tt_size_init_bytecode( (FT_Size)size, pedantic ); if ( error ) goto Exit; } @@ -889,7 +900,7 @@ size->GS = tt_default_graphics_state; - error = tt_size_run_prep( size ); + error = tt_size_run_prep( size, pedantic ); if ( !error ) size->cvt_ready = 1; } diff --git a/src/truetype/ttobjs.h b/src/truetype/ttobjs.h index 30c8669cb..087b3c2e1 100644 --- a/src/truetype/ttobjs.h +++ b/src/truetype/ttobjs.h @@ -4,7 +4,7 @@ /* */ /* Objects manager (specification). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */ +/* Copyright 1996-2009, 2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -390,13 +390,16 @@ FT_BEGIN_HEADER #ifdef TT_USE_BYTECODE_INTERPRETER FT_LOCAL( FT_Error ) - tt_size_run_fpgm( TT_Size size ); + tt_size_run_fpgm( TT_Size size, + FT_Bool pedantic ); FT_LOCAL( FT_Error ) - tt_size_run_prep( TT_Size size ); + tt_size_run_prep( TT_Size size, + FT_Bool pedantic ); FT_LOCAL( FT_Error ) - tt_size_ready_bytecode( TT_Size size ); + tt_size_ready_bytecode( TT_Size size, + FT_Bool pedantic ); #endif /* TT_USE_BYTECODE_INTERPRETER */