summaryrefslogtreecommitdiff
path: root/thirdparty/thorvg/src/lib/tvgSwCanvas.cpp
blob: 626bd51a2e805717a37057350fa9d8c6e90aaf07 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
/*
 * Copyright (c) 2020 - 2023 the ThorVG project. All rights reserved.

 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:

 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.

 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#include "tvgCanvasImpl.h"

#ifdef THORVG_SW_RASTER_SUPPORT
    #include "tvgSwRenderer.h"
#else
    class SwRenderer : public RenderMethod
    {
        //Non Supported. Dummy Class */
    };
#endif

/************************************************************************/
/* Internal Class Implementation                                        */
/************************************************************************/

struct SwCanvas::Impl
{
};


/************************************************************************/
/* External Class Implementation                                        */
/************************************************************************/

#ifdef THORVG_SW_RASTER_SUPPORT
SwCanvas::SwCanvas() : Canvas(SwRenderer::gen()), pImpl(new Impl)
#else
SwCanvas::SwCanvas() : Canvas(nullptr), pImpl(new Impl)
#endif
{
}


SwCanvas::~SwCanvas()
{
    delete(pImpl);
}


Result SwCanvas::mempool(MempoolPolicy policy) noexcept
{
#ifdef THORVG_SW_RASTER_SUPPORT
    //We know renderer type, avoid dynamic_cast for performance.
    auto renderer = static_cast<SwRenderer*>(Canvas::pImpl->renderer);
    if (!renderer) return Result::MemoryCorruption;

    //It can't change the policy during the running.
    if (Canvas::pImpl->paints.count > 0) return Result::InsufficientCondition;

    if (policy == MempoolPolicy::Individual) renderer->mempool(false);
    else renderer->mempool(true);

    return Result::Success;
#endif
    return Result::NonSupport;
}


Result SwCanvas::target(uint32_t* buffer, uint32_t stride, uint32_t w, uint32_t h, Colorspace cs) noexcept
{
#ifdef THORVG_SW_RASTER_SUPPORT
    //We know renderer type, avoid dynamic_cast for performance.
    auto renderer = static_cast<SwRenderer*>(Canvas::pImpl->renderer);
    if (!renderer) return Result::MemoryCorruption;

    if (!renderer->target(buffer, stride, w, h, static_cast<ColorSpace>(cs))) return Result::InvalidArguments;

    //Paints must be updated again with this new target.
    Canvas::pImpl->needRefresh();

    return Result::Success;
#endif
    return Result::NonSupport;
}


unique_ptr<SwCanvas> SwCanvas::gen() noexcept
{
#ifdef THORVG_SW_RASTER_SUPPORT
    if (SwRenderer::init() <= 0) return nullptr;
    return unique_ptr<SwCanvas>(new SwCanvas);
#endif
    return nullptr;
}