1/*
2 * Copyright (C) 2017 Metrological Group B.V.
3 * Copyright (C) 2017 Igalia S.L.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following
13 * disclaimer in the documentation and/or other materials provided
14 * with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#pragma once
30
31#include "NicosiaPaintingOperation.h"
32#include <memory>
33
34namespace WebCore {
35class GraphicsContext;
36}
37
38namespace Nicosia {
39
40class Buffer;
41
42class PaintingContext {
43 WTF_MAKE_FAST_ALLOCATED;
44public:
45 template<typename T>
46 static void paint(Buffer& buffer, const T& paintFunctor)
47 {
48 auto paintingContext = PaintingContext::createForPainting(buffer);
49 paintFunctor(paintingContext->graphicsContext());
50 }
51
52 template<typename T>
53 static void record(PaintingOperations& paintingOperations, const T& recordFunctor)
54 {
55 auto recordingContext = PaintingContext::createForRecording(paintingOperations);
56 recordFunctor(recordingContext->graphicsContext());
57 }
58
59 static void replay(Buffer& buffer, const PaintingOperations& paintingOperations)
60 {
61 auto paintingContext = PaintingContext::createForPainting(buffer);
62 paintingContext->replay(paintingOperations);
63 }
64
65 virtual ~PaintingContext() = default;
66
67protected:
68 virtual WebCore::GraphicsContext& graphicsContext() = 0;
69 virtual void replay(const PaintingOperations&) = 0;
70
71private:
72 static std::unique_ptr<PaintingContext> createForPainting(Buffer&);
73 static std::unique_ptr<PaintingContext> createForRecording(PaintingOperations&);
74};
75
76} // namespace Nicosia
77