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Side by Side Diff: include/core/SkPicture.h

Issue 824013004: Revert of Rename SkDrawPictureCallback to SkPicture::AbortCallback (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 5 years, 11 months ago
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1 /* 1 /*
2 * Copyright 2007 The Android Open Source Project 2 * Copyright 2007 The Android Open Source Project
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 8
9 #ifndef SkPicture_DEFINED 9 #ifndef SkPicture_DEFINED
10 #define SkPicture_DEFINED 10 #define SkPicture_DEFINED
11 11
12 #include "SkBitmap.h"
13 #include "SkDrawPictureCallback.h"
12 #include "SkImageDecoder.h" 14 #include "SkImageDecoder.h"
13 #include "SkRefCnt.h" 15 #include "SkRefCnt.h"
14 #include "SkTDArray.h" 16 #include "SkTDArray.h"
15 17
16 #if SK_SUPPORT_GPU 18 #if SK_SUPPORT_GPU
17 class GrContext; 19 class GrContext;
18 #endif 20 #endif
19 21
20 class SkBitmap;
21 class SkBBoxHierarchy; 22 class SkBBoxHierarchy;
22 class SkCanvas; 23 class SkCanvas;
23 class SkData; 24 class SkData;
24 class SkPictureData; 25 class SkPictureData;
25 class SkPixelSerializer; 26 class SkPixelSerializer;
26 class SkStream; 27 class SkStream;
27 class SkWStream; 28 class SkWStream;
28 29
29 struct SkPictInfo; 30 struct SkPictInfo;
30 31
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94 * decoding, the decoder must be set on the SkReadBuffer parameter by calli ng 95 * decoding, the decoder must be set on the SkReadBuffer parameter by calli ng
95 * SkReadBuffer::setBitmapDecoder() before calling SkPicture::CreateFromBuf fer(). 96 * SkReadBuffer::setBitmapDecoder() before calling SkPicture::CreateFromBuf fer().
96 * @param SkReadBuffer Serialized picture data. 97 * @param SkReadBuffer Serialized picture data.
97 * @return A new SkPicture representing the serialized data, or NULL if the buffer is 98 * @return A new SkPicture representing the serialized data, or NULL if the buffer is
98 * invalid. 99 * invalid.
99 */ 100 */
100 static SkPicture* CreateFromBuffer(SkReadBuffer&); 101 static SkPicture* CreateFromBuffer(SkReadBuffer&);
101 102
102 ~SkPicture(); 103 ~SkPicture();
103 104
104 /**
105 * Subclasses of this can be passed to playback(). During the playback
106 * of the picture, this callback will periodically be invoked. If its
107 * abort() returns true, then picture playback will be interrupted.
108 *
109 * The resulting drawing is undefined, as there is no guarantee how often th e
110 * callback will be invoked. If the abort happens inside some level of neste d
111 * calls to save(), restore will automatically be called to return the state
112 * to the same level it was before the playback call was made.
113 */
114 class AbortCallback {
115 public:
116 AbortCallback() {}
117 virtual ~AbortCallback() {}
118
119 virtual bool abort() = 0;
120 };
121
122 /** Replays the drawing commands on the specified canvas. Note that 105 /** Replays the drawing commands on the specified canvas. Note that
123 this has the effect of unfurling this picture into the destination 106 this has the effect of unfurling this picture into the destination
124 canvas. Using the SkCanvas::drawPicture entry point gives the destinatio n 107 canvas. Using the SkCanvas::drawPicture entry point gives the destinatio n
125 canvas the option of just taking a ref. 108 canvas the option of just taking a ref.
126 @param canvas the canvas receiving the drawing commands. 109 @param canvas the canvas receiving the drawing commands.
127 @param callback a callback that allows interruption of playback 110 @param callback a callback that allows interruption of playback
128 */ 111 */
129 void playback(SkCanvas* canvas, AbortCallback* = NULL) const; 112 void playback(SkCanvas* canvas, SkDrawPictureCallback* = NULL) const;
130 113
131 /** Return the cull rect used when creating this picture: { 0, 0, cullWidth, cullHeight }. 114 /** Return the cull rect used when creating this picture: { 0, 0, cullWidth, cullHeight }.
132 It does not necessarily reflect the bounds of what has been recorded int o the picture. 115 It does not necessarily reflect the bounds of what has been recorded int o the picture.
133 @return the cull rect used to create this picture 116 @return the cull rect used to create this picture
134 */ 117 */
135 SkRect cullRect() const { return fCullRect; } 118 SkRect cullRect() const { return fCullRect; }
136 119
137 /** Return a non-zero, unique value representing the picture. 120 /** Return a non-zero, unique value representing the picture.
138 */ 121 */
139 uint32_t uniqueID() const { return fUniqueID; } 122 uint32_t uniqueID() const { return fUniqueID; }
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307 290
308 friend class SkPictureRecorder; // SkRecord-based constructor. 291 friend class SkPictureRecorder; // SkRecord-based constructor.
309 friend class GrLayerHoister; // access to fRecord 292 friend class GrLayerHoister; // access to fRecord
310 friend class ReplaceDraw; 293 friend class ReplaceDraw;
311 friend class SkPictureUtils; 294 friend class SkPictureUtils;
312 friend class SkRecordedDrawable; 295 friend class SkRecordedDrawable;
313 }; 296 };
314 SK_COMPILE_ASSERT(sizeof(SkPicture) <= 96, SkPictureSize); 297 SK_COMPILE_ASSERT(sizeof(SkPicture) <= 96, SkPictureSize);
315 298
316 #endif 299 #endif
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