blob: d2bf6cb66d6e3a8801aba8e9c870f81cd5c7e7e0 (
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
|
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef CAIRO_FIXED_TYPE_PRIVATE_H
#define CAIRO_FIXED_TYPE_PRIVATE_H
#include "cairo-wideint-type-private.h"
/*
* Fixed-point configuration
*/
typedef int32_t cairo_fixed_16_16_t;
typedef cairo_int64_t cairo_fixed_32_32_t;
typedef cairo_int64_t cairo_fixed_48_16_t;
typedef cairo_int128_t cairo_fixed_64_64_t;
typedef cairo_int128_t cairo_fixed_96_32_t;
/* Eventually, we should allow changing this, but I think
* there are some assumptions in the tesselator about the
* size of a fixed type. For now, it must be 32.
*/
#define CAIRO_FIXED_BITS 32
/* The number of fractional bits. Changing this involves
* making sure that you compute a double-to-fixed magic number.
* (see below).
*/
#define CAIRO_FIXED_FRAC_BITS 8
/* A signed type %CAIRO_FIXED_BITS in size; the main fixed point type */
typedef int32_t cairo_fixed_t;
/* An unsigned type of the same size as #cairo_fixed_t */
typedef uint32_t cairo_fixed_unsigned_t;
typedef struct _cairo_point {
cairo_fixed_t x;
cairo_fixed_t y;
} cairo_point_t;
#endif /* CAIRO_FIXED_TYPE_PRIVATE_H */
|
