1 /***************************************************************************/
5 /* FreeType API for accessing PFR-specific data (body). */
7 /* Copyright 2002, 2003, 2004 by */
8 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
10 /* This file is part of the FreeType project, and may only be used, */
11 /* modified, and distributed under the terms of the FreeType project */
12 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
13 /* this file you indicate that you have read the license and */
14 /* understand and accept it fully. */
16 /***************************************************************************/
19 #include FT_INTERNAL_OBJECTS_H
20 #include FT_SERVICE_PFR_H
23 /* check the format */
24 static FT_Service_PfrMetrics
25 ft_pfr_check( FT_Face face
)
27 FT_Service_PfrMetrics service
;
30 FT_FACE_LOOKUP_SERVICE( face
, service
, PFR_METRICS
);
36 /* documentation is in ftpfr.h */
38 FT_EXPORT_DEF( FT_Error
)
39 FT_Get_PFR_Metrics( FT_Face face
,
40 FT_UInt
*aoutline_resolution
,
41 FT_UInt
*ametrics_resolution
,
42 FT_Fixed
*ametrics_x_scale
,
43 FT_Fixed
*ametrics_y_scale
)
45 FT_Error error
= FT_Err_Ok
;
46 FT_Service_PfrMetrics service
;
49 service
= ft_pfr_check( face
);
52 error
= service
->get_metrics( face
,
60 FT_Fixed x_scale
, y_scale
;
63 /* this is not a PFR font */
64 *aoutline_resolution
= face
->units_per_EM
;
65 *ametrics_resolution
= face
->units_per_EM
;
67 x_scale
= y_scale
= 0x10000L
;
70 x_scale
= face
->size
->metrics
.x_scale
;
71 y_scale
= face
->size
->metrics
.y_scale
;
73 *ametrics_x_scale
= x_scale
;
74 *ametrics_y_scale
= y_scale
;
77 error
= FT_Err_Invalid_Argument
;
83 /* documentation is in ftpfr.h */
85 FT_EXPORT_DEF( FT_Error
)
86 FT_Get_PFR_Kerning( FT_Face face
,
92 FT_Service_PfrMetrics service
;
95 service
= ft_pfr_check( face
);
97 error
= service
->get_kerning( face
, left
, right
, avector
);
99 error
= FT_Get_Kerning( face
, left
, right
,
100 FT_KERNING_UNSCALED
, avector
);
102 error
= FT_Err_Invalid_Argument
;
108 /* documentation is in ftpfr.h */
110 FT_EXPORT_DEF( FT_Error
)
111 FT_Get_PFR_Advance( FT_Face face
,
116 FT_Service_PfrMetrics service
;
119 service
= ft_pfr_check( face
);
122 error
= service
->get_advance( face
, gindex
, aadvance
);
125 /* XXX: TODO: PROVIDE ADVANCE-LOADING METHOD TO ALL FONT DRIVERS */
126 error
= FT_Err_Invalid_Argument
;