gfx/skia/trunk/src/core/SkValidatingReadBuffer.h@6474c204b198 (annotated)
gfx/skia/trunk/src/core/SkValidatingReadBuffer.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright 2013 Google Inc. |
| michael@0 | 3 | * |
| michael@0 | 4 | * Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 5 | * found in the LICENSE file. |
| michael@0 | 6 | */ |
| michael@0 | 7 | |
| michael@0 | 8 | #ifndef SkValidatingReadBuffer_DEFINED |
| michael@0 | 9 | #define SkValidatingReadBuffer_DEFINED |
| michael@0 | 10 | |
| michael@0 | 11 | #include "SkRefCnt.h" |
| michael@0 | 12 | #include "SkBitmapHeap.h" |
| michael@0 | 13 | #include "SkReadBuffer.h" |
| michael@0 | 14 | #include "SkWriteBuffer.h" |
| michael@0 | 15 | #include "SkPath.h" |
| michael@0 | 16 | #include "SkPicture.h" |
| michael@0 | 17 | #include "SkReader32.h" |
| michael@0 | 18 | |
| michael@0 | 19 | class SkBitmap; |
| michael@0 | 20 | |
| michael@0 | 21 | class SkValidatingReadBuffer : public SkReadBuffer { |
| michael@0 | 22 | public: |
| michael@0 | 23 | SkValidatingReadBuffer(const void* data, size_t size); |
| michael@0 | 24 | virtual ~SkValidatingReadBuffer(); |
| michael@0 | 25 | |
| michael@0 | 26 | const void* skip(size_t size); |
| michael@0 | 27 | |
| michael@0 | 28 | // primitives |
| michael@0 | 29 | virtual bool readBool() SK_OVERRIDE; |
| michael@0 | 30 | virtual SkColor readColor() SK_OVERRIDE; |
| michael@0 | 31 | virtual SkFixed readFixed() SK_OVERRIDE; |
| michael@0 | 32 | virtual int32_t readInt() SK_OVERRIDE; |
| michael@0 | 33 | virtual SkScalar readScalar() SK_OVERRIDE; |
| michael@0 | 34 | virtual uint32_t readUInt() SK_OVERRIDE; |
| michael@0 | 35 | virtual int32_t read32() SK_OVERRIDE; |
| michael@0 | 36 | |
| michael@0 | 37 | // strings -- the caller is responsible for freeing the string contents |
| michael@0 | 38 | virtual void readString(SkString* string) SK_OVERRIDE; |
| michael@0 | 39 | virtual void* readEncodedString(size_t* length, SkPaint::TextEncoding encoding) SK_OVERRIDE; |
| michael@0 | 40 | |
| michael@0 | 41 | // common data structures |
| michael@0 | 42 | virtual SkFlattenable* readFlattenable(SkFlattenable::Type type) SK_OVERRIDE; |
| michael@0 | 43 | virtual void readPoint(SkPoint* point) SK_OVERRIDE; |
| michael@0 | 44 | virtual void readMatrix(SkMatrix* matrix) SK_OVERRIDE; |
| michael@0 | 45 | virtual void readIRect(SkIRect* rect) SK_OVERRIDE; |
| michael@0 | 46 | virtual void readRect(SkRect* rect) SK_OVERRIDE; |
| michael@0 | 47 | virtual void readRegion(SkRegion* region) SK_OVERRIDE; |
| michael@0 | 48 | virtual void readPath(SkPath* path) SK_OVERRIDE; |
| michael@0 | 49 | |
| michael@0 | 50 | // binary data and arrays |
| michael@0 | 51 | virtual bool readByteArray(void* value, size_t size) SK_OVERRIDE; |
| michael@0 | 52 | virtual bool readColorArray(SkColor* colors, size_t size) SK_OVERRIDE; |
| michael@0 | 53 | virtual bool readIntArray(int32_t* values, size_t size) SK_OVERRIDE; |
| michael@0 | 54 | virtual bool readPointArray(SkPoint* points, size_t size) SK_OVERRIDE; |
| michael@0 | 55 | virtual bool readScalarArray(SkScalar* values, size_t size) SK_OVERRIDE; |
| michael@0 | 56 | |
| michael@0 | 57 | // helpers to get info about arrays and binary data |
| michael@0 | 58 | virtual uint32_t getArrayCount() SK_OVERRIDE; |
| michael@0 | 59 | |
| michael@0 | 60 | virtual void readBitmap(SkBitmap* bitmap) SK_OVERRIDE; |
| michael@0 | 61 | // TODO: Implement this (securely) when needed |
| michael@0 | 62 | virtual SkTypeface* readTypeface() SK_OVERRIDE; |
| michael@0 | 63 | |
| michael@0 | 64 | virtual bool validate(bool isValid) SK_OVERRIDE; |
| michael@0 | 65 | virtual bool isValid() const SK_OVERRIDE; |
| michael@0 | 66 | |
| michael@0 | 67 | virtual bool validateAvailable(size_t size) SK_OVERRIDE; |
| michael@0 | 68 | |
| michael@0 | 69 | private: |
| michael@0 | 70 | bool readArray(void* value, size_t size, size_t elementSize); |
| michael@0 | 71 | |
| michael@0 | 72 | void setMemory(const void* data, size_t size); |
| michael@0 | 73 | |
| michael@0 | 74 | static bool IsPtrAlign4(const void* ptr) { |
| michael@0 | 75 | return SkIsAlign4((uintptr_t)ptr); |
| michael@0 | 76 | } |
| michael@0 | 77 | |
| michael@0 | 78 | bool fError; |
| michael@0 | 79 | |
| michael@0 | 80 | typedef SkReadBuffer INHERITED; |
| michael@0 | 81 | }; |
| michael@0 | 82 | |
| michael@0 | 83 | #endif // SkValidatingReadBuffer_DEFINED |
