revert between 56095 -> 55830 in arch
[AROS.git] / workbench / libs / mesa / src / gallium / state_trackers / vega / arc.h
blob3205cd5021d00557be2d4679a730ed9cca0c802f
1 /**************************************************************************
3 * Copyright 2009 VMware, Inc. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sub license, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial portions
15 * of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
20 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
21 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
22 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
23 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 **************************************************************************/
27 #ifndef ARC_H
28 #define ARC_H
30 #include "VG/openvg.h"
32 struct polygon;
33 struct matrix;
34 struct stroker;
35 struct path;
37 struct arc {
38 VGPathSegment type;
40 VGfloat cx, cy;
42 VGfloat a, b;
44 VGfloat theta;
45 VGfloat cos_theta, sin_theta;
47 VGfloat eta1;
48 VGfloat eta2;
50 VGfloat x1, y1, x2, y2;
52 VGboolean is_valid;
55 void arc_init(struct arc *arc,
56 VGPathSegment type,
57 VGfloat x1, VGfloat y1,
58 VGfloat x2, VGfloat y2,
59 VGfloat rh, VGfloat rv,
60 VGfloat rot);
62 void arc_add_to_polygon(struct arc *arc,
63 struct polygon *poly,
64 struct matrix *matrix);
67 void arc_to_path(struct arc *arc,
68 struct path *p,
69 struct matrix *matrix);
71 void arc_stroke_cb(struct arc *arc,
72 struct stroker *stroke,
73 struct matrix *matrix);
75 void arc_stroker_emit(struct arc *arc,
76 struct stroker *stroke,
77 struct matrix *matrix);
80 #endif