djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +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 | */ |
| 8 | |
| 9 | #ifndef SkOrderedReadBuffer_DEFINED |
| 10 | #define SkOrderedReadBuffer_DEFINED |
| 11 | |
| 12 | #include "SkRefCnt.h" |
| 13 | #include "SkBitmap.h" |
djsollen@google.com | 21830d9 | 2012-08-07 19:49:41 +0000 | [diff] [blame] | 14 | #include "SkBitmapHeap.h" |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 15 | #include "SkFlattenableBuffers.h" |
| 16 | #include "SkReader32.h" |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 17 | #include "SkPath.h" |
| 18 | |
| 19 | class SkOrderedReadBuffer : public SkFlattenableReadBuffer { |
| 20 | public: |
djsollen@google.com | 21830d9 | 2012-08-07 19:49:41 +0000 | [diff] [blame] | 21 | SkOrderedReadBuffer(); |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 22 | SkOrderedReadBuffer(const void* data, size_t size); |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 23 | SkOrderedReadBuffer(SkStream* stream); |
| 24 | virtual ~SkOrderedReadBuffer(); |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 25 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 26 | virtual SkOrderedReadBuffer* getOrderedBinaryBuffer() SK_OVERRIDE { return this; } |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 27 | |
| 28 | SkReader32* getReader32() { return &fReader; } |
| 29 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 30 | uint32_t size() { return fReader.size(); } |
| 31 | uint32_t offset() { return fReader.offset(); } |
| 32 | bool eof() { return fReader.eof(); } |
| 33 | const void* skip(size_t size) { return fReader.skip(size); } |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 34 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 35 | // primitives |
| 36 | virtual bool readBool() SK_OVERRIDE; |
| 37 | virtual SkColor readColor() SK_OVERRIDE; |
| 38 | virtual SkFixed readFixed() SK_OVERRIDE; |
| 39 | virtual int32_t readInt() SK_OVERRIDE; |
| 40 | virtual SkScalar readScalar() SK_OVERRIDE; |
| 41 | virtual uint32_t readUInt() SK_OVERRIDE; |
| 42 | virtual int32_t read32() SK_OVERRIDE; |
djsollen@google.com | 94e75ee | 2012-06-08 18:30:46 +0000 | [diff] [blame] | 43 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 44 | // strings -- the caller is responsible for freeing the string contents |
| 45 | virtual char* readString() SK_OVERRIDE; |
| 46 | virtual void* readEncodedString(size_t* length, SkPaint::TextEncoding encoding) SK_OVERRIDE; |
| 47 | |
| 48 | // common data structures |
| 49 | virtual SkFlattenable* readFlattenable() SK_OVERRIDE; |
| 50 | virtual void readPoint(SkPoint* point) SK_OVERRIDE; |
| 51 | virtual void readMatrix(SkMatrix* matrix) SK_OVERRIDE; |
| 52 | virtual void readIRect(SkIRect* rect) SK_OVERRIDE; |
| 53 | virtual void readRect(SkRect* rect) SK_OVERRIDE; |
| 54 | virtual void readRegion(SkRegion* region) SK_OVERRIDE; |
| 55 | virtual void readPath(SkPath* path) SK_OVERRIDE; |
| 56 | |
| 57 | // binary data and arrays |
| 58 | virtual uint32_t readByteArray(void* value) SK_OVERRIDE; |
| 59 | virtual uint32_t readColorArray(SkColor* colors) SK_OVERRIDE; |
| 60 | virtual uint32_t readIntArray(int32_t* values) SK_OVERRIDE; |
| 61 | virtual uint32_t readPointArray(SkPoint* points) SK_OVERRIDE; |
| 62 | virtual uint32_t readScalarArray(SkScalar* values) SK_OVERRIDE; |
| 63 | |
| 64 | // helpers to get info about arrays and binary data |
| 65 | virtual uint32_t getArrayCount() SK_OVERRIDE; |
| 66 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 67 | virtual void readBitmap(SkBitmap* bitmap) SK_OVERRIDE; |
| 68 | virtual SkTypeface* readTypeface() SK_OVERRIDE; |
| 69 | |
djsollen@google.com | 21830d9 | 2012-08-07 19:49:41 +0000 | [diff] [blame] | 70 | void setBitmapStorage(SkBitmapHeapReader* bitmapStorage) { |
| 71 | SkRefCnt_SafeAssign(fBitmapStorage, bitmapStorage); |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 72 | } |
| 73 | |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 74 | void setTypefaceArray(SkTypeface* array[], int count) { |
| 75 | fTFArray = array; |
| 76 | fTFCount = count; |
| 77 | } |
| 78 | |
| 79 | /** |
| 80 | * Call this with a pre-loaded array of Factories, in the same order as |
| 81 | * were created/written by the writer. SkPicture uses this. |
| 82 | */ |
| 83 | void setFactoryPlayback(SkFlattenable::Factory array[], int count) { |
| 84 | fFactoryTDArray = NULL; |
| 85 | fFactoryArray = array; |
| 86 | fFactoryCount = count; |
| 87 | } |
| 88 | |
| 89 | /** |
| 90 | * Call this with an initially empty array, so the reader can cache each |
| 91 | * factory it sees by name. Used by the pipe code in conjunction with |
| 92 | * the writer's kInlineFactoryNames_Flag. |
| 93 | */ |
| 94 | void setFactoryArray(SkTDArray<SkFlattenable::Factory>* array) { |
| 95 | fFactoryTDArray = array; |
| 96 | fFactoryArray = NULL; |
| 97 | fFactoryCount = 0; |
| 98 | } |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 99 | |
| 100 | private: |
| 101 | SkReader32 fReader; |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 102 | void* fMemoryPtr; |
| 103 | |
djsollen@google.com | 21830d9 | 2012-08-07 19:49:41 +0000 | [diff] [blame] | 104 | SkBitmapHeapReader* fBitmapStorage; |
djsollen@google.com | c73dd5c | 2012-08-07 15:54:32 +0000 | [diff] [blame] | 105 | SkTypeface** fTFArray; |
| 106 | int fTFCount; |
| 107 | |
| 108 | SkTDArray<SkFlattenable::Factory>* fFactoryTDArray; |
| 109 | SkFlattenable::Factory* fFactoryArray; |
| 110 | int fFactoryCount; |
djsollen@google.com | 2b2ede3 | 2012-04-12 13:24:04 +0000 | [diff] [blame] | 111 | |
| 112 | typedef SkFlattenableReadBuffer INHERITED; |
| 113 | }; |
| 114 | |
| 115 | #endif // SkOrderedReadBuffer_DEFINED |