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
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/**************************************************************************
*
* Copyright 2009 VMware, Inc. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef STROKER_H
#define STROKER_H
#include "VG/openvg.h"
#include "api_consts.h"
struct path;
struct vg_state;
struct array;
struct stroker {
void (*begin)(struct stroker *stroker);
void (*process_subpath)(struct stroker *stroker);
void (*end)(struct stroker *stroker);
struct array *segments;
struct array *control_points;
struct path *path;
VGfloat back1_x, back1_y;
VGfloat back2_x, back2_y;
VGfloat stroke_width;
VGfloat miter_limit;
VGCapStyle cap_style;
VGJoinStyle join_style;
VGPathCommand last_cmd;
};
struct dash_stroker {
struct stroker base;
struct stroker stroker;
VGfloat dash_pattern[VEGA_MAX_DASH_COUNT];
VGint dash_pattern_num;
VGfloat dash_phase;
VGboolean dash_phase_reset;
};
void stroker_init(struct stroker *stroker,
struct vg_state *state);
void dash_stroker_init(struct stroker *stroker,
struct vg_state *state);
void dash_stroker_cleanup(struct dash_stroker *stroker);
void stroker_cleanup(struct stroker *stroker);
void stroker_begin(struct stroker *stroker);
void stroker_move_to(struct stroker *stroker, VGfloat x, VGfloat y);
void stroker_line_to(struct stroker *stroker, VGfloat x, VGfloat y);
void stroker_curve_to(struct stroker *stroker, VGfloat px1, VGfloat py1,
VGfloat px2, VGfloat py2,
VGfloat x, VGfloat y);
void stroker_end(struct stroker *stroker);
void stroker_emit_move_to(struct stroker *stroker, VGfloat x, VGfloat y);
void stroker_emit_line_to(struct stroker *stroker, VGfloat x, VGfloat y);
void stroker_emit_curve_to(struct stroker *stroker, VGfloat px1, VGfloat py1,
VGfloat px2, VGfloat py2,
VGfloat x, VGfloat y);
#endif
|
