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kc3-lang/freetype/src/base/ftmm.c
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Author :
Werner Lemberg
Date : 2004-04-25 20:15:11
Hash : 44bb3035
Message : * src/pcf/pcfdrivr.c: Revert change from 2004-04-17. * src/pcf/pcfutil.c: Use FT_LOCAL_DEF. * src/pcf/pcfutil.h: Include FT_CONFIG_CONFIG_H. Use FT_BEGIN_HEADER and FT_END_HEADER. Use FT_LOCAL. 2004-04-24 George Williams <gww@silcom.com> Add support for Apple's distortable font technology (in GX fonts). * devel/ftoption.h, include/freetype/config/ftoption.h (TT_CONFIG_OPTION_GX_VAR_SUPPORT): New macro. * include/freetype/ftmm.h (FT_Var_Axis, FT_Var_Named_Style, FT_MM_Var): New structures. (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates, FT_Set_Var_Blend_Coordinates): New function declarations. * include/freetype/internal/services/svmm.h (FT_Get_MM_Var_Func, FT_Set_Var_Design_Func): New typedefs. Update MultiMasters service. * include/freetype/internal/tttypes.h [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H. (GX_Blend) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New typedef. (TT_Face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New members `doblend' and `blend'. * include/freetype/tttags.h (TTAG_avar, TTAG_cvar, TTAG_gvar): New macros. * include/freetype/internal/fttrace.h: Add `ttgxvar'. * src/base/ftmm.c (FT_Get_MM_Var, FT_Set_Var_Design_Coordinates, FT_Set_Var_Blend_Coordinates): New functions. * src/sfnt/sfobjs.c (sfnt_load_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Set FT_FACE_FLAG_MULTIPLE_MASTERS flag for GX var fonts. * src/truetype/ttgxvar.c, src/truetype/ttgxvar.h: New files. * src/truetype/truetype.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.c. * src/truetype/ttdriver.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include FT_MULTIPLE_MASTERS_H, FT_SERVICE_MULTIPLE_MASTERS_H, and ttgxvar.h. (tt_service_gx_multi_masters) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: New service. (tt_services) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Updated. * src/truetype/ttgload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.h. (TT_Process_Simple_Glyph, load_truetype_glyph) [TT_CONFIG_OPTION_GX_VAR_SUPPORT] :Support GX var fonts. * src/truetype/ttobjs.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.h. (tt_done_face) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call tt_done_blend. * src/truetype/ttpload.c [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Include ttgxvar.h. (tt_face_load_cvt) [TT_CONFIG_OPTION_GX_VAR_SUPPORT]: Call tt_face_vary_cvt. * src/truetype/rules.mk (TT_DRV_SRC): Add ttgxvar.c. * src/type1/t1driver.c (t1_service_multi_masters): Add T1_Get_MM_Var and T1_Set_Var_Design. * src/type1/t1load.c (FT_INT_TO_FIXED, FT_FIXED_TO_INT): New macros. (T1_Get_MM_Var, T1_Set_Var_Design): New functions. * src/type1/t1load.h (T1_Get_MM_Var, T1_Set_Var_Design): New function declarations.
- src/base/ftmm.c
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/***************************************************************************/ /* */ /* ftmm.c */ /* */ /* Multiple Master font support (body). */ /* */ /* Copyright 1996-2001, 2003, 2004 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ #include <ft2build.h> #include FT_MULTIPLE_MASTERS_H #include FT_INTERNAL_OBJECTS_H #include FT_SERVICE_MULTIPLE_MASTERS_H /*************************************************************************/ /* */ /* The macro FT_COMPONENT is used in trace mode. It is an implicit */ /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */ /* messages during execution. */ /* */ #undef FT_COMPONENT #define FT_COMPONENT trace_mm static FT_Error ft_face_get_mm_service( FT_Face face, FT_Service_MultiMasters *aservice ) { FT_Error error; *aservice = NULL; if ( !face ) return FT_Err_Invalid_Face_Handle; error = FT_Err_Invalid_Argument; if ( FT_HAS_MULTIPLE_MASTERS( face ) ) { FT_FACE_LOOKUP_SERVICE( face, *aservice, MULTI_MASTERS ); if ( aservice ) error = FT_Err_Ok; } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Get_Multi_Master( FT_Face face, FT_Multi_Master *amaster ) { FT_Error error; FT_Service_MultiMasters service; error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_Err_Invalid_Argument; if ( service->get_mm ) error = service->get_mm( face, amaster ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Get_MM_Var( FT_Face face, FT_MM_Var* *amaster ) { FT_Error error; FT_Service_MultiMasters service; error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_Err_Invalid_Argument; if ( service->get_mm_var ) error = service->get_mm_var( face, amaster ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Set_MM_Design_Coordinates( FT_Face face, FT_UInt num_coords, FT_Long* coords ) { FT_Error error; FT_Service_MultiMasters service; error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_Err_Invalid_Argument; if ( service->set_mm_design ) error = service->set_mm_design( face, num_coords, coords ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Set_Var_Design_Coordinates( FT_Face face, FT_UInt num_coords, FT_Fixed* coords ) { FT_Error error; FT_Service_MultiMasters service; error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_Err_Invalid_Argument; if ( service->set_var_design ) error = service->set_var_design( face, num_coords, coords ); } return error; } /* documentation is in ftmm.h */ FT_EXPORT_DEF( FT_Error ) FT_Set_MM_Blend_Coordinates( FT_Face face, FT_UInt num_coords, FT_Fixed* coords ) { FT_Error error; FT_Service_MultiMasters service; error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_Err_Invalid_Argument; if ( service->set_mm_blend ) error = service->set_mm_blend( face, num_coords, coords ); } return error; } /* documentation is in ftmm.h */ /* This is exactly the same as the previous function. It exists for */ /* orthogonality. */ FT_EXPORT_DEF( FT_Error ) FT_Set_Var_Blend_Coordinates( FT_Face face, FT_UInt num_coords, FT_Fixed* coords ) { FT_Error error; FT_Service_MultiMasters service; error = ft_face_get_mm_service( face, &service ); if ( !error ) { error = FT_Err_Invalid_Argument; if ( service->set_mm_blend ) error = service->set_mm_blend( face, num_coords, coords ); } return error; } /* END */