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
38struct SwCanvas::Impl
39{
40};
41
42
43/************************************************************************/
44/* External Class Implementation */
45/************************************************************************/
46
47#ifdef THORVG_SW_RASTER_SUPPORT
48SwCanvas::SwCanvas() : Canvas(SwRenderer::gen()), pImpl(new Impl)
49#else
50SwCanvas::SwCanvas() : Canvas(nullptr), pImpl(new Impl)
51#endif
52{
53}
54
55
56SwCanvas::~SwCanvas()
57{
58 delete(pImpl);
59}
60
61
62Result 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
81Result 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
99unique_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