epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame^] | 1 | |
| 2 | /* |
| 3 | * Copyright 2011 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
| 7 | */ |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 8 | #ifndef SkPicturePlayback_DEFINED |
| 9 | #define SkPicturePlayback_DEFINED |
| 10 | |
| 11 | #include "SkPicture.h" |
| 12 | #include "SkReader32.h" |
| 13 | |
| 14 | #include "SkBitmap.h" |
| 15 | #include "SkMatrix.h" |
| 16 | #include "SkPaint.h" |
| 17 | #include "SkPath.h" |
| 18 | #include "SkPathHeap.h" |
| 19 | #include "SkRegion.h" |
| 20 | #include "SkPictureFlat.h" |
| 21 | |
djsollen@google.com | f5dbe2f | 2011-04-15 13:41:26 +0000 | [diff] [blame] | 22 | #ifdef ANDROID |
| 23 | #include "SkThread.h" |
| 24 | #endif |
| 25 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 26 | class SkPictureRecord; |
| 27 | class SkStream; |
| 28 | class SkWStream; |
| 29 | |
| 30 | class SkPicturePlayback { |
| 31 | public: |
| 32 | SkPicturePlayback(); |
| 33 | SkPicturePlayback(const SkPicturePlayback& src); |
| 34 | explicit SkPicturePlayback(const SkPictureRecord& record); |
| 35 | explicit SkPicturePlayback(SkStream*); |
| 36 | |
| 37 | virtual ~SkPicturePlayback(); |
| 38 | |
| 39 | void draw(SkCanvas& canvas); |
| 40 | |
| 41 | void serialize(SkWStream*) const; |
| 42 | |
| 43 | void dumpSize() const; |
| 44 | |
| 45 | // Can be called in the middle of playback (the draw() call). WIll abort the |
| 46 | // drawing and return from draw() after the "current" op code is done |
| 47 | void abort(); |
| 48 | |
| 49 | private: |
| 50 | |
| 51 | class TextContainer { |
| 52 | public: |
| 53 | size_t length() { return fByteLength; } |
| 54 | const void* text() { return (const void*) fText; } |
| 55 | size_t fByteLength; |
| 56 | const char* fText; |
| 57 | }; |
| 58 | |
| 59 | const SkBitmap& getBitmap() { |
| 60 | int index = getInt(); |
| 61 | SkASSERT(index > 0); |
| 62 | return fBitmaps[index - 1]; |
| 63 | } |
| 64 | |
| 65 | int getIndex() { return fReader.readInt(); } |
| 66 | int getInt() { return fReader.readInt(); } |
| 67 | |
| 68 | const SkMatrix* getMatrix() { |
| 69 | int index = getInt(); |
| 70 | if (index == 0) { |
| 71 | return NULL; |
| 72 | } |
| 73 | SkASSERT(index > 0 && index <= fMatrixCount); |
| 74 | return &fMatrices[index - 1]; |
| 75 | } |
| 76 | |
| 77 | const SkPath& getPath() { |
| 78 | return (*fPathHeap)[getInt() - 1]; |
| 79 | } |
| 80 | |
| 81 | SkPicture& getPicture() { |
| 82 | int index = getInt(); |
| 83 | SkASSERT(index > 0 && index <= fPictureCount); |
| 84 | return *fPictureRefs[index - 1]; |
| 85 | } |
reed@android.com | 09b84a0 | 2009-06-26 20:22:26 +0000 | [diff] [blame] | 86 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 87 | const SkPaint* getPaint() { |
| 88 | int index = getInt(); |
| 89 | if (index == 0) { |
| 90 | return NULL; |
| 91 | } |
| 92 | SkASSERT(index > 0 && index <= fPaintCount); |
| 93 | return &fPaints[index - 1]; |
| 94 | } |
| 95 | |
| 96 | const SkRect* getRectPtr() { |
| 97 | if (fReader.readBool()) { |
| 98 | return fReader.skipRect(); |
| 99 | } else { |
| 100 | return NULL; |
| 101 | } |
| 102 | } |
| 103 | |
| 104 | const SkIRect* getIRectPtr() { |
| 105 | if (fReader.readBool()) { |
| 106 | return (const SkIRect*)fReader.skip(sizeof(SkIRect)); |
| 107 | } else { |
| 108 | return NULL; |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | const SkRegion& getRegion() { |
| 113 | int index = getInt(); |
| 114 | SkASSERT(index > 0); |
| 115 | return fRegions[index - 1]; |
| 116 | } |
| 117 | |
| 118 | SkScalar getScalar() { return fReader.readScalar(); } |
| 119 | |
| 120 | void getText(TextContainer* text) { |
| 121 | size_t length = text->fByteLength = getInt(); |
| 122 | text->fText = (const char*)fReader.skip(length); |
| 123 | } |
| 124 | |
| 125 | void init(); |
| 126 | |
| 127 | #ifdef SK_DEBUG_SIZE |
| 128 | public: |
| 129 | int size(size_t* sizePtr); |
| 130 | int bitmaps(size_t* size); |
| 131 | int paints(size_t* size); |
| 132 | int paths(size_t* size); |
| 133 | int regions(size_t* size); |
| 134 | #endif |
| 135 | |
| 136 | #ifdef SK_DEBUG_DUMP |
| 137 | private: |
| 138 | void dumpBitmap(const SkBitmap& bitmap) const; |
| 139 | void dumpMatrix(const SkMatrix& matrix) const; |
| 140 | void dumpPaint(const SkPaint& paint) const; |
| 141 | void dumpPath(const SkPath& path) const; |
| 142 | void dumpPicture(const SkPicture& picture) const; |
| 143 | void dumpRegion(const SkRegion& region) const; |
| 144 | int dumpDrawType(char* bufferPtr, char* buffer, DrawType drawType); |
| 145 | int dumpInt(char* bufferPtr, char* buffer, char* name); |
| 146 | int dumpRect(char* bufferPtr, char* buffer, char* name); |
| 147 | int dumpPoint(char* bufferPtr, char* buffer, char* name); |
| 148 | void dumpPointArray(char** bufferPtrPtr, char* buffer, int count); |
| 149 | int dumpPtr(char* bufferPtr, char* buffer, char* name, void* ptr); |
| 150 | int dumpRectPtr(char* bufferPtr, char* buffer, char* name); |
| 151 | int dumpScalar(char* bufferPtr, char* buffer, char* name); |
| 152 | void dumpText(char** bufferPtrPtr, char* buffer); |
| 153 | void dumpStream(); |
| 154 | |
| 155 | public: |
| 156 | void dump() const; |
| 157 | #endif |
| 158 | |
| 159 | private: |
| 160 | SkPathHeap* fPathHeap; // reference counted |
| 161 | SkBitmap* fBitmaps; |
| 162 | int fBitmapCount; |
| 163 | SkMatrix* fMatrices; |
| 164 | int fMatrixCount; |
| 165 | SkPaint* fPaints; |
| 166 | int fPaintCount; |
| 167 | SkRegion* fRegions; |
| 168 | int fRegionCount; |
| 169 | mutable SkFlattenableReadBuffer fReader; |
| 170 | |
| 171 | SkPicture** fPictureRefs; |
| 172 | int fPictureCount; |
reed@android.com | 09b84a0 | 2009-06-26 20:22:26 +0000 | [diff] [blame] | 173 | |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 174 | SkRefCntPlayback fRCPlayback; |
| 175 | SkTypefacePlayback fTFPlayback; |
| 176 | SkFactoryPlayback* fFactoryPlayback; |
djsollen@google.com | f5dbe2f | 2011-04-15 13:41:26 +0000 | [diff] [blame] | 177 | #ifdef ANDROID |
| 178 | SkMutex fDrawMutex; |
| 179 | #endif |
reed@android.com | 8a1c16f | 2008-12-17 15:59:43 +0000 | [diff] [blame] | 180 | }; |
| 181 | |
| 182 | #endif |