1 | /* |
2 | * Copyright (c) 2020 - 2023 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 | #ifndef _TVG_LOAD_MODULE_H_ |
24 | #define _TVG_LOAD_MODULE_H_ |
25 | |
26 | #include "tvgRender.h" |
27 | |
28 | namespace tvg |
29 | { |
30 | |
31 | class LoadModule |
32 | { |
33 | public: |
34 | float w = 0, h = 0; //default image size |
35 | ColorSpace cs = ColorSpace::Unsupported; //must be clarified at open() |
36 | |
37 | virtual ~LoadModule() {} |
38 | |
39 | virtual bool open(const string& path) { return false; } |
40 | virtual bool open(const char* data, uint32_t size, bool copy) { return false; } |
41 | virtual bool open(const uint32_t* data, uint32_t w, uint32_t h, bool copy) { return false; } |
42 | |
43 | //Override this if the vector-format has own resizing policy. |
44 | virtual bool resize(Paint* paint, float w, float h) { return false; } |
45 | |
46 | virtual bool animatable() { return false; } //true if this loader supports animation. |
47 | virtual void sync() {}; //finish immediately if any async update jobs. |
48 | |
49 | virtual bool read() = 0; |
50 | virtual bool close() = 0; |
51 | |
52 | virtual unique_ptr<Surface> bitmap() { return nullptr; } |
53 | virtual unique_ptr<Paint> paint() { return nullptr; } |
54 | }; |
55 | |
56 | } |
57 | |
58 | #endif //_TVG_LOAD_MODULE_H_ |
59 | |