4 * Copyright (C) 2011-2014 by Werner Lemberg.
6 * This file is part of the ttfautohint library, and may only be used,
7 * modified, and distributed under the terms given in `COPYING'. By
8 * continuing to use, modify, or distribute this file you indicate that you
9 * have read `COPYING' and understand and accept it fully.
11 * The file `COPYING' mentioned in the previous paragraph is distributed
12 * with the ttfautohint library.
20 TA_sfnt_update_maxp_table(SFNT
* sfnt
,
23 SFNT_Table
* maxp_table
= &font
->tables
[sfnt
->maxp_idx
];
24 SFNT_Table
* glyf_table
= &font
->tables
[sfnt
->glyf_idx
];
25 glyf_Data
* data
= (glyf_Data
*)glyf_table
->data
;
26 FT_Byte
* buf
= maxp_table
->buf
;
29 if (maxp_table
->processed
)
32 if (maxp_table
->len
!= MAXP_LEN
)
33 return FT_Err_Invalid_Table
;
37 buf
[MAXP_MAX_ZONES_OFFSET
] = 0;
38 buf
[MAXP_MAX_ZONES_OFFSET
+ 1] = 0;
39 buf
[MAXP_MAX_TWILIGHT_POINTS_OFFSET
] = 0;
40 buf
[MAXP_MAX_TWILIGHT_POINTS_OFFSET
+ 1] = 0;
41 buf
[MAXP_MAX_STORAGE_OFFSET
] = 0;
42 buf
[MAXP_MAX_STORAGE_OFFSET
+ 1] = 0;
43 buf
[MAXP_MAX_FUNCTION_DEFS_OFFSET
] = 0;
44 buf
[MAXP_MAX_FUNCTION_DEFS_OFFSET
+ 1] = 0;
45 buf
[MAXP_MAX_INSTRUCTION_DEFS_OFFSET
] = 0;
46 buf
[MAXP_MAX_INSTRUCTION_DEFS_OFFSET
+ 1] = 0;
47 buf
[MAXP_MAX_STACK_ELEMENTS_OFFSET
] = 0;
48 buf
[MAXP_MAX_STACK_ELEMENTS_OFFSET
+ 1] = 0;
49 buf
[MAXP_MAX_INSTRUCTIONS_OFFSET
] = 0;
50 buf
[MAXP_MAX_INSTRUCTIONS_OFFSET
+ 1] = 0;
54 if (sfnt
->max_components
&& font
->hint_composites
)
56 buf
[MAXP_NUM_GLYPHS
] = HIGH(data
->num_glyphs
);
57 buf
[MAXP_NUM_GLYPHS
+ 1] = LOW(data
->num_glyphs
);
58 buf
[MAXP_MAX_COMPOSITE_POINTS
] = HIGH(sfnt
->max_composite_points
);
59 buf
[MAXP_MAX_COMPOSITE_POINTS
+ 1] = LOW(sfnt
->max_composite_points
);
60 buf
[MAXP_MAX_COMPOSITE_CONTOURS
] = HIGH(sfnt
->max_composite_contours
);
61 buf
[MAXP_MAX_COMPOSITE_CONTOURS
+ 1] = LOW(sfnt
->max_composite_contours
);
64 buf
[MAXP_MAX_ZONES_OFFSET
] = 0;
65 buf
[MAXP_MAX_ZONES_OFFSET
+ 1] = 2;
66 buf
[MAXP_MAX_TWILIGHT_POINTS_OFFSET
] = HIGH(sfnt
->max_twilight_points
);
67 buf
[MAXP_MAX_TWILIGHT_POINTS_OFFSET
+ 1] = LOW(sfnt
->max_twilight_points
);
68 buf
[MAXP_MAX_STORAGE_OFFSET
] = HIGH(sfnt
->max_storage
);
69 buf
[MAXP_MAX_STORAGE_OFFSET
+ 1] = LOW(sfnt
->max_storage
);
70 buf
[MAXP_MAX_FUNCTION_DEFS_OFFSET
] = 0;
71 buf
[MAXP_MAX_FUNCTION_DEFS_OFFSET
+ 1] = NUM_FDEFS
;
72 buf
[MAXP_MAX_INSTRUCTION_DEFS_OFFSET
] = 0;
73 buf
[MAXP_MAX_INSTRUCTION_DEFS_OFFSET
+ 1] = 0;
74 buf
[MAXP_MAX_STACK_ELEMENTS_OFFSET
] = HIGH(sfnt
->max_stack_elements
);
75 buf
[MAXP_MAX_STACK_ELEMENTS_OFFSET
+ 1] = LOW(sfnt
->max_stack_elements
);
76 buf
[MAXP_MAX_INSTRUCTIONS_OFFSET
] = HIGH(sfnt
->max_instructions
);
77 buf
[MAXP_MAX_INSTRUCTIONS_OFFSET
+ 1] = LOW(sfnt
->max_instructions
);
78 buf
[MAXP_MAX_COMPONENTS_OFFSET
] = HIGH(sfnt
->max_components
);
79 buf
[MAXP_MAX_COMPONENTS_OFFSET
+ 1] = LOW(sfnt
->max_components
);
82 maxp_table
->checksum
= TA_table_compute_checksum(maxp_table
->buf
,
84 maxp_table
->processed
= 1;