1 /*
2 * Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.
3
4 * Permission is hereby granted, free of charge, to any person obtaining a copy
5 * of this software and associated documentation files (the "Software"), to deal
6 * in the Software without restriction, including without limitation the rights
7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8 * copies of the Software, and to permit persons to whom the Software is
9 * furnished to do so, subject to the following conditions:
10
11 * The above copyright notice and this permission notice shall be included in all
12 * copies or substantial portions of the Software.
13
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20 * SOFTWARE.
21 */
22
23 #include "../../lv_conf_internal.h"
24 #if LV_USE_THORVG_INTERNAL
25
26 #include "tvgMath.h"
27 #include "tvgRender.h"
28
29 /************************************************************************/
30 /* Internal Class Implementation */
31 /************************************************************************/
32
33
34 /************************************************************************/
35 /* External Class Implementation */
36 /************************************************************************/
37
ref()38 uint32_t RenderMethod::ref()
39 {
40 ScopedLock lock(key);
41 return (++refCnt);
42 }
43
44
unref()45 uint32_t RenderMethod::unref()
46 {
47 ScopedLock lock(key);
48 return (--refCnt);
49 }
50
51
intersect(const RenderRegion & rhs)52 void RenderRegion::intersect(const RenderRegion& rhs)
53 {
54 auto x1 = x + w;
55 auto y1 = y + h;
56 auto x2 = rhs.x + rhs.w;
57 auto y2 = rhs.y + rhs.h;
58
59 x = (x > rhs.x) ? x : rhs.x;
60 y = (y > rhs.y) ? y : rhs.y;
61 w = ((x1 < x2) ? x1 : x2) - x;
62 h = ((y1 < y2) ? y1 : y2) - y;
63
64 if (w < 0) w = 0;
65 if (h < 0) h = 0;
66 }
67
68
add(const RenderRegion & rhs)69 void RenderRegion::add(const RenderRegion& rhs)
70 {
71 if (rhs.x < x) {
72 w += (x - rhs.x);
73 x = rhs.x;
74 }
75 if (rhs.y < y) {
76 h += (y - rhs.y);
77 y = rhs.y;
78 }
79 if (rhs.x + rhs.w > x + w) w = (rhs.x + rhs.w) - x;
80 if (rhs.y + rhs.h > y + h) h = (rhs.y + rhs.h) - y;
81 }
82
83 #endif /* LV_USE_THORVG_INTERNAL */
84
85
