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Side by Side Diff: Source/WebCore/platform/graphics/win/QTPixelBuffer.h

Issue 13642009: WebCore: Remove PLATFORM(WIN) files we do not use. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 8 months ago
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1 /*
2 * Copyright (C) 2007, 2008, 2009, 2010 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 COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26 #ifndef QTPixelBuffer_h
27 #define QTPixelBuffer_h
28
29 #ifdef QTMOVIEWIN_EXPORTS
30 #define QTMOVIEWIN_API __declspec(dllexport)
31 #else
32 #define QTMOVIEWIN_API __declspec(dllimport)
33 #endif
34
35 #include <stdint.h>
36
37 typedef struct __CVBuffer *CVBufferRef;
38 typedef CVBufferRef CVPixelBufferRef;
39 typedef struct CGImage* CGImageRef;
40 typedef int32_t CVReturn;
41 typedef const struct __CFDictionary * CFDictionaryRef;
42
43 // QTPixelBuffer wraps QuickTime's implementation of CVPixelBuffer, so its funct ions are
44 // safe to call within WebKit.
45 class QTMOVIEWIN_API QTPixelBuffer {
46 public:
47 enum Type { ConfigureForCGImage, ConfigureForCAImageQueue };
48 static CFDictionaryRef createPixelBufferAttributesDictionary(Type);
49
50 QTPixelBuffer();
51 QTPixelBuffer(const QTPixelBuffer&);
52 QTPixelBuffer(CVPixelBufferRef);
53 QTPixelBuffer& operator=(const QTPixelBuffer&);
54 ~QTPixelBuffer();
55
56 void set(CVPixelBufferRef);
57 CVPixelBufferRef pixelBufferRef();
58 void adopt(CVPixelBufferRef);
59 void clear();
60
61 CVReturn lockBaseAddress();
62 CVReturn unlockBaseAddress();
63 void* baseAddress();
64
65 size_t width() const;
66 size_t height() const;
67 unsigned long pixelFormatType() const;
68 bool pixelFormatIs32ARGB() const;
69 bool pixelFormatIs32BGRA() const;
70 size_t bytesPerRow() const;
71 size_t dataSize() const;
72
73 bool isPlanar() const;
74 size_t planeCount() const;
75 size_t widthOfPlane(size_t) const;
76 size_t heightOfPlane(size_t) const;
77 void* baseAddressOfPlane(size_t) const;
78 size_t bytesPerRowOfPlane(size_t) const;
79
80 void getExtendedPixels(size_t* left, size_t* right, size_t* top, size_t* bot tom) const;
81 CFDictionaryRef attachments() const;
82
83 // Generic CFRetain/CFRelease callbacks
84 static void releaseCallback(void* refcon);
85 static void retainCallback(void* refcon);
86
87 // CAImageQueue callbacks
88 static void imageQueueReleaseCallback(unsigned int type, uint64_t id, void* refcon);
89
90 // CGDataProvider callbacks
91 static void dataProviderReleaseBytePointerCallback(void* refcon, const void* pointer);
92 static const void* dataProviderGetBytePointerCallback(void* refcon);
93 static size_t dataProviderGetBytesAtPositionCallback(void* refcon, void* buf fer, size_t position, size_t count);
94 static void dataProviderReleaseInfoCallback(void* refcon);
95
96 private:
97 CVPixelBufferRef m_pixelBuffer;
98 };
99
100 #endif
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