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/***************************************************************************/
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/* */
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/* ftmm.c */
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/* */
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/* Multiple Master font support (body). */
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/* */
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/* Copyright 1996-2001, 2003, 2004, 2009 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#include <ft2build.h>
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#include FT_MULTIPLE_MASTERS_H
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#include FT_INTERNAL_OBJECTS_H
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#include FT_SERVICE_MULTIPLE_MASTERS_H
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/*************************************************************************/
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/* */
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/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
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/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
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/* messages during execution. */
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/* */
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#undef FT_COMPONENT
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#define FT_COMPONENT trace_mm
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static FT_Error
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ft_face_get_mm_service( FT_Face face,
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FT_Service_MultiMasters *aservice )
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{
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FT_Error error;
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*aservice = NULL;
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if ( !face )
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return FT_Err_Invalid_Face_Handle;
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error = FT_Err_Invalid_Argument;
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if ( FT_HAS_MULTIPLE_MASTERS( face ) )
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{
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FT_FACE_LOOKUP_SERVICE( face,
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*aservice,
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MULTI_MASTERS );
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if ( *aservice )
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error = FT_Err_Ok;
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}
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return error;
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}
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/* documentation is in ftmm.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Get_Multi_Master( FT_Face face,
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FT_Multi_Master *amaster )
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{
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FT_Error error;
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FT_Service_MultiMasters service;
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error = ft_face_get_mm_service( face, &service );
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if ( !error )
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{
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error = FT_Err_Invalid_Argument;
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if ( service->get_mm )
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error = service->get_mm( face, amaster );
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}
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return error;
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}
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/* documentation is in ftmm.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Get_MM_Var( FT_Face face,
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FT_MM_Var* *amaster )
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{
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FT_Error error;
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FT_Service_MultiMasters service;
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error = ft_face_get_mm_service( face, &service );
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if ( !error )
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{
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error = FT_Err_Invalid_Argument;
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if ( service->get_mm_var )
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error = service->get_mm_var( face, amaster );
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}
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return error;
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}
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/* documentation is in ftmm.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Set_MM_Design_Coordinates( FT_Face face,
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FT_UInt num_coords,
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FT_Long* coords )
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{
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FT_Error error;
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FT_Service_MultiMasters service;
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error = ft_face_get_mm_service( face, &service );
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if ( !error )
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{
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error = FT_Err_Invalid_Argument;
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if ( service->set_mm_design )
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error = service->set_mm_design( face, num_coords, coords );
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}
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return error;
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}
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/* documentation is in ftmm.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Set_Var_Design_Coordinates( FT_Face face,
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FT_UInt num_coords,
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FT_Fixed* coords )
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{
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FT_Error error;
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FT_Service_MultiMasters service;
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error = ft_face_get_mm_service( face, &service );
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if ( !error )
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{
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error = FT_Err_Invalid_Argument;
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if ( service->set_var_design )
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error = service->set_var_design( face, num_coords, coords );
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}
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return error;
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}
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/* documentation is in ftmm.h */
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FT_EXPORT_DEF( FT_Error )
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FT_Set_MM_Blend_Coordinates( FT_Face face,
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FT_UInt num_coords,
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FT_Fixed* coords )
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{
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FT_Error error;
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FT_Service_MultiMasters service;
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error = ft_face_get_mm_service( face, &service );
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if ( !error )
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{
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error = FT_Err_Invalid_Argument;
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if ( service->set_mm_blend )
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error = service->set_mm_blend( face, num_coords, coords );
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}
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return error;
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}
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/* documentation is in ftmm.h */
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/* This is exactly the same as the previous function. It exists for */
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/* orthogonality. */
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FT_EXPORT_DEF( FT_Error )
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FT_Set_Var_Blend_Coordinates( FT_Face face,
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FT_UInt num_coords,
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FT_Fixed* coords )
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{
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FT_Error error;
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FT_Service_MultiMasters service;
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error = ft_face_get_mm_service( face, &service );
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if ( !error )
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{
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error = FT_Err_Invalid_Argument;
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if ( service->set_mm_blend )
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error = service->set_mm_blend( face, num_coords, coords );
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}
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return error;
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}
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/* END */
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