1 /*
2 * Copyright (c) 2021 - 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 "tvgIteratorAccessor.h"
27 #include "tvgCompressor.h"
28
29 /************************************************************************/
30 /* Internal Class Implementation */
31 /************************************************************************/
32
accessChildren(Iterator * it,function<bool (const Paint * paint,void * data)> func,void * data)33 static bool accessChildren(Iterator* it, function<bool(const Paint* paint, void* data)> func, void* data)
34 {
35 while (auto child = it->next()) {
36 //Access the child
37 if (!func(child, data)) return false;
38
39 //Access the children of the child
40 if (auto it2 = IteratorAccessor::iterator(child)) {
41 if (!accessChildren(it2, func, data)) {
42 delete(it2);
43 return false;
44 }
45 delete(it2);
46 }
47 }
48 return true;
49 }
50
51
52 /************************************************************************/
53 /* External Class Implementation */
54 /************************************************************************/
55
set(unique_ptr<Picture> picture,function<bool (const Paint * paint)> func)56 TVG_DEPRECATED unique_ptr<Picture> Accessor::set(unique_ptr<Picture> picture, function<bool(const Paint* paint)> func) noexcept
57 {
58 auto backward = [](const tvg::Paint* paint, void* data) -> bool
59 {
60 auto func = reinterpret_cast<function<bool(const Paint* paint)>*>(data);
61 if (!(*func)(paint)) return false;
62 return true;
63 };
64
65 set(picture.get(), backward, reinterpret_cast<void*>(&func));
66 return picture;
67 }
68
69
set(const Picture * picture,function<bool (const Paint * paint,void * data)> func,void * data)70 Result Accessor::set(const Picture* picture, function<bool(const Paint* paint, void* data)> func, void* data) noexcept
71 {
72 if (!picture || !func) return Result::InvalidArguments;
73
74 //Use the Preorder Tree-Search
75
76 //Root
77 if (!func(picture, data)) return Result::Success;
78
79 //Children
80 if (auto it = IteratorAccessor::iterator(picture)) {
81 accessChildren(it, func, data);
82 delete(it);
83 }
84 return Result::Success;
85 }
86
87
id(const char * name)88 uint32_t Accessor::id(const char* name) noexcept
89 {
90 return djb2Encode(name);
91 }
92
93
~Accessor()94 Accessor::~Accessor()
95 {
96
97 }
98
99
Accessor()100 Accessor::Accessor() : pImpl(nullptr)
101 {
102
103 }
104
105
gen()106 unique_ptr<Accessor> Accessor::gen() noexcept
107 {
108 return unique_ptr<Accessor>(new Accessor);
109 }
110
111 #endif /* LV_USE_THORVG_INTERNAL */
112
113
