blob: d06f59a8e8e3b9df0ab55805d4f439b430f710dc (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
|
#ifndef FTSDF_H_
#define FTSDF_H_
#include <ft2build.h>
#include FT_CONFIG_CONFIG_H
#include <freetype/ftimage.h>
FT_BEGIN_HEADER
/* default spread value */
#define DEFAULT_SPREAD 8
/* minimum spread supported by the rasterizer. */
#define MIN_SPREAD 2
/* maximum spread supported by the rasterizer. */
#define MAX_SPREAD 32
/* TEMPORARY */
typedef enum Optimizations_ {
OPTIMIZATION_NONE = 0, /* default: check all points against all edges */
OPTIMIZATION_BB = 1, /* use bounding box to check nearby grid points */
OPTIMIZATION_SUB = 2, /* subdivide then use bounding box */
OPTIMIZATION_CG = 3 /* use coarse grid to only check relevant edges */
} Optimizations;
/* --------- */
/**************************************************************************
*
* @struct:
* SDF_Raster_Params
*
* @description:
* This struct must be used for the raster render function
* `FT_Raster_Render_Func' instead of `FT_Raster_Params' because
* the rasterizer require some addition information to render properly.
*
* @fields:
* [TODO]
*
*/
typedef struct SDF_Raster_Params_
{
FT_Raster_Params root;
FT_UInt spread;
FT_Bool flip_sign;
FT_Bool flip_y;
/* TEMPORARY */
FT_Int optimization;
} SDF_Raster_Params;
FT_EXPORT_VAR( const FT_Raster_Funcs ) ft_sdf_raster;
FT_END_HEADER
#endif /* FTSDF_H_ */
/* END */
|
