1 | /* |
2 | * Copyright (C) 2017 Apple Inc. All rights reserved. |
3 | * |
4 | * Redistribution and use in source and binary forms, with or without |
5 | * modification, are permitted provided that the following conditions |
6 | * are met: |
7 | * 1. Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. |
9 | * 2. Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. |
12 | * |
13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #pragma once |
27 | |
28 | #include "JSDOMPromiseDeferred.h" |
29 | #include "ScriptWrappable.h" |
30 | #include <wtf/RefCounted.h> |
31 | |
32 | namespace WebCore { |
33 | |
34 | class Blob; |
35 | class HTMLCanvasElement; |
36 | class HTMLImageElement; |
37 | class HTMLVideoElement; |
38 | class ImageBitmapImageObserver; |
39 | class ImageBuffer; |
40 | class ImageData; |
41 | class IntRect; |
42 | class IntSize; |
43 | class PendingImageBitmap; |
44 | class ScriptExecutionContext; |
45 | class TypedOMCSSImageValue; |
46 | struct ImageBitmapOptions; |
47 | |
48 | class ImageBitmap final : public ScriptWrappable, public RefCounted<ImageBitmap> { |
49 | WTF_MAKE_ISO_ALLOCATED(ImageBitmap); |
50 | public: |
51 | using Source = Variant< |
52 | RefPtr<HTMLImageElement>, |
53 | #if ENABLE(VIDEO) |
54 | RefPtr<HTMLVideoElement>, |
55 | #endif |
56 | RefPtr<HTMLCanvasElement>, |
57 | RefPtr<ImageBitmap>, |
58 | #if ENABLE(CSS_TYPED_OM) |
59 | RefPtr<TypedOMCSSImageValue>, |
60 | #endif |
61 | RefPtr<Blob>, |
62 | RefPtr<ImageData> |
63 | >; |
64 | |
65 | using Promise = DOMPromiseDeferred<IDLInterface<ImageBitmap>>; |
66 | |
67 | static void createPromise(ScriptExecutionContext&, Source&&, ImageBitmapOptions&&, Promise&&); |
68 | static void createPromise(ScriptExecutionContext&, Source&&, ImageBitmapOptions&&, int sx, int sy, int sw, int sh, Promise&&); |
69 | |
70 | static Ref<ImageBitmap> create(IntSize); |
71 | static Ref<ImageBitmap> create(std::pair<std::unique_ptr<ImageBuffer>, bool>&&); |
72 | |
73 | ~ImageBitmap(); |
74 | |
75 | unsigned width() const; |
76 | unsigned height() const; |
77 | void close(); |
78 | |
79 | bool isDetached() const { return m_detached; } |
80 | |
81 | ImageBuffer* buffer() { return m_bitmapData.get(); } |
82 | |
83 | bool originClean() const { return m_originClean; } |
84 | |
85 | std::unique_ptr<ImageBuffer> transferOwnershipAndClose(); |
86 | |
87 | static Vector<std::pair<std::unique_ptr<ImageBuffer>, bool>> detachBitmaps(Vector<RefPtr<ImageBitmap>>&&); |
88 | |
89 | private: |
90 | friend class ImageBitmapImageObserver; |
91 | friend class PendingImageBitmap; |
92 | |
93 | static Ref<ImageBitmap> create(std::unique_ptr<ImageBuffer>&&); |
94 | ImageBitmap(std::unique_ptr<ImageBuffer>&&); |
95 | |
96 | static void createPromise(ScriptExecutionContext&, RefPtr<HTMLImageElement>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
97 | #if ENABLE(VIDEO) |
98 | static void createPromise(ScriptExecutionContext&, RefPtr<HTMLVideoElement>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
99 | #endif |
100 | static void createPromise(ScriptExecutionContext&, RefPtr<HTMLCanvasElement>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
101 | static void createPromise(ScriptExecutionContext&, RefPtr<ImageBitmap>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
102 | static void createPromise(ScriptExecutionContext&, RefPtr<Blob>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
103 | static void createPromise(ScriptExecutionContext&, RefPtr<ImageData>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
104 | static void createPromise(ScriptExecutionContext&, RefPtr<TypedOMCSSImageValue>&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
105 | static void createFromBuffer(Ref<ArrayBuffer>&&, String mimeType, long long expectedContentLength, const URL&, ImageBitmapOptions&&, Optional<IntRect>, Promise&&); |
106 | |
107 | std::unique_ptr<ImageBuffer> m_bitmapData; |
108 | bool m_detached { false }; |
109 | bool m_originClean { true }; |
110 | }; |
111 | |
112 | } |
113 | |