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 | #include "tvgCanvasImpl.h" |
24 | |
25 | #ifdef THORVG_SW_RASTER_SUPPORT |
26 | #include "tvgSwRenderer.h" |
27 | #else |
28 | class SwRenderer : public RenderMethod |
29 | { |
30 | //Non Supported. Dummy Class */ |
31 | }; |
32 | #endif |
33 | |
34 | /************************************************************************/ |
35 | /* Internal Class Implementation */ |
36 | /************************************************************************/ |
37 | |
38 | struct SwCanvas::Impl |
39 | { |
40 | }; |
41 | |
42 | |
43 | /************************************************************************/ |
44 | /* External Class Implementation */ |
45 | /************************************************************************/ |
46 | |
47 | #ifdef THORVG_SW_RASTER_SUPPORT |
48 | SwCanvas::SwCanvas() : Canvas(SwRenderer::gen()), pImpl(new Impl) |
49 | #else |
50 | SwCanvas::SwCanvas() : Canvas(nullptr), pImpl(new Impl) |
51 | #endif |
52 | { |
53 | } |
54 | |
55 | |
56 | SwCanvas::~SwCanvas() |
57 | { |
58 | delete(pImpl); |
59 | } |
60 | |
61 | |
62 | Result SwCanvas::mempool(MempoolPolicy policy) noexcept |
63 | { |
64 | #ifdef THORVG_SW_RASTER_SUPPORT |
65 | //We know renderer type, avoid dynamic_cast for performance. |
66 | auto renderer = static_cast<SwRenderer*>(Canvas::pImpl->renderer); |
67 | if (!renderer) return Result::MemoryCorruption; |
68 | |
69 | //It can't change the policy during the running. |
70 | if (!Canvas::pImpl->paints.empty()) return Result::InsufficientCondition; |
71 | |
72 | if (policy == MempoolPolicy::Individual) renderer->mempool(false); |
73 | else renderer->mempool(true); |
74 | |
75 | return Result::Success; |
76 | #endif |
77 | return Result::NonSupport; |
78 | } |
79 | |
80 | |
81 | Result SwCanvas::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h, Colorspace cs) noexcept |
82 | { |
83 | #ifdef THORVG_SW_RASTER_SUPPORT |
84 | //We know renderer type, avoid dynamic_cast for performance. |
85 | auto renderer = static_cast<SwRenderer*>(Canvas::pImpl->renderer); |
86 | if (!renderer) return Result::MemoryCorruption; |
87 | |
88 | if (!renderer->target(buffer, stride, w, h, static_cast<ColorSpace>(cs))) return Result::InvalidArguments; |
89 | |
90 | //Paints must be updated again with this new target. |
91 | Canvas::pImpl->needRefresh(); |
92 | |
93 | return Result::Success; |
94 | #endif |
95 | return Result::NonSupport; |
96 | } |
97 | |
98 | |
99 | unique_ptr<SwCanvas> SwCanvas::gen() noexcept |
100 | { |
101 | #ifdef THORVG_SW_RASTER_SUPPORT |
102 | if (SwRenderer::init() <= 0) return nullptr; |
103 | return unique_ptr<SwCanvas>(new SwCanvas); |
104 | #endif |
105 | return nullptr; |
106 | } |
107 | |