ref: eb81e37825b8a5a62709f9505d1419e759123b1b
dir: /include/freetype/ftmm.h/
/***************************************************************************/
/* */
/* ftmm.h */
/* */
/* FreeType Multiple-Master interface. */
/* */
/* */
/* Copyright 1996-2000 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. */
/* */
/***************************************************************************/
#ifndef FTMM_H
#define FTMM_H
#include <freetype/t1tables.h>
#ifdef __cplusplus
extern "C" {
#endif
/**********************************************************************
*
* <Struct>
* FT_MM_Axis
*
* <Description>
* A simple structure used to model a given axis in design space
* for multiple masters fonts..
*
* <Fields>
* name :: axis' name
* minimum :: axis' minimum design coordinate
* maximum :: axis's maximum design coordinate
*
*/
typedef struct FT_MM_Axis_
{
FT_String* name;
FT_Long minimum;
FT_Long maximum;
} FT_MM_Axis;
/**********************************************************************
*
* <Struct>
* FT_Multi_Master
*
* <Description>
* A structure used to model the axis and space of a multiple
* masters font.
*
* <Fields>
* num_axis :: number of axis. cannot exceed 4
*
* num_designs :: number of designs, should ne normally 2^num_axis
* even though the Type 1 specification strangely
* allows for intermediate designs to be present
* this number cannot exceed 16
*
* axis :: an table of axis descriptors..
*
*/
typedef struct FT_Multi_Master_
{
FT_UInt num_axis;
FT_UInt num_designs;
FT_MM_Axis axis[ T1_MAX_MM_AXIS ];
} FT_Multi_Master;
typedef FT_Error (*FT_Get_MM_Func)( FT_Face face, FT_Multi_Master* master );
typedef FT_Error (*FT_Set_MM_Design_Func)( FT_Face face,
FT_UInt num_coords,
FT_Long* coords );
typedef FT_Error (*FT_Set_MM_Blend_Func)( FT_Face face,
FT_UInt num_coords,
FT_Long* coords );
/*************************************************************************
*
* <Function>
* FT_Get_Multi_Master
*
* <Description>
* Retrieves the multiple master descriptor of a given font
*
* <Input>
* face :: handle to source face
*
* <Output>
* master :: multiple masters descriptor
*
* <Return>
* Error code. 0 means success.
*
*/
FT_EXPORT_DEF(FT_Error) FT_Get_Multi_Master( FT_Face face,
FT_Multi_Master* master );
/*************************************************************************
*
* <Function>
* FT_Set_MM_Design_Coordinates
*
* <Description>
* For multiple masters fonts, choose an interpolated font design
* through design coordinates
*
* <Input>
* face :: handle to source face
* num_coords :: number of design coordinates (must be equal to the
* number of axis in the font).
* coords :: design coordinates
*
* <Return>
* Error code. 0 means success.
*
*/
FT_EXPORT_DEF(FT_Error) FT_Set_MM_Design_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Long* coords );
/*************************************************************************
*
* <Function>
* FT_Set_MM_Blend_Coordinates
*
* <Description>
* For multiple masters fonts, choose an interpolated font design
* through normalized blend coordinates
*
* <Input>
* face :: handle to source face
* num_coords :: number of design coordinates (must be equal to the
* number of axis in the font).
* coords :: design coordinates (each one must be between 0 and 1.0)
*
* <Return>
* Error code. 0 means success.
*
*/
FT_EXPORT_DEF(FT_Error) FT_Set_MM_Blend_Coordinates( FT_Face face,
FT_UInt num_coords,
FT_Fixed* coords );
#ifdef __cplusplus
}
#endif
#endif /* FTMM_H */
/* END */