127 lines
4.0 KiB
C++
127 lines
4.0 KiB
C++
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef SkWriteBuffer_DEFINED
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#define SkWriteBuffer_DEFINED
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#include "SkData.h"
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#include "SkPath.h"
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#include "SkPicture.h"
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#include "SkPixelSerializer.h"
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#include "SkRefCnt.h"
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#include "SkWriter32.h"
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class SkBitmap;
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class SkBitmapHeap;
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class SkFactorySet;
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class SkFlattenable;
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class SkNamedFactorySet;
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class SkRefCntSet;
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class SkWriteBuffer {
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public:
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enum Flags {
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kCrossProcess_Flag = 1 << 0,
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kValidation_Flag = 1 << 1,
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};
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SkWriteBuffer(uint32_t flags = 0);
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SkWriteBuffer(void* initialStorage, size_t storageSize, uint32_t flags = 0);
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~SkWriteBuffer();
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bool isCrossProcess() const {
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return this->isValidating() || SkToBool(fFlags & kCrossProcess_Flag);
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}
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SkWriter32* getWriter32() { return &fWriter; }
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void reset(void* storage = NULL, size_t storageSize = 0) {
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fWriter.reset(storage, storageSize);
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}
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uint32_t* reserve(size_t size) { return fWriter.reserve(size); }
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size_t bytesWritten() const { return fWriter.bytesWritten(); }
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void writeByteArray(const void* data, size_t size);
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void writeDataAsByteArray(SkData* data) { this->writeByteArray(data->data(), data->size()); }
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void writeBool(bool value);
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void writeFixed(SkFixed value);
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void writeScalar(SkScalar value);
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void writeScalarArray(const SkScalar* value, uint32_t count);
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void writeInt(int32_t value);
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void writeIntArray(const int32_t* value, uint32_t count);
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void writeUInt(uint32_t value);
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void write32(int32_t value);
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void writeString(const char* value);
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void writeEncodedString(const void* value, size_t byteLength, SkPaint::TextEncoding encoding);
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void writeFunctionPtr(void* ptr) { fWriter.writePtr(ptr); }
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void writeFlattenable(const SkFlattenable* flattenable);
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void writeColor(const SkColor& color);
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void writeColorArray(const SkColor* color, uint32_t count);
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void writePoint(const SkPoint& point);
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void writePointArray(const SkPoint* point, uint32_t count);
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void writeMatrix(const SkMatrix& matrix);
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void writeIRect(const SkIRect& rect);
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void writeRect(const SkRect& rect);
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void writeRegion(const SkRegion& region);
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void writePath(const SkPath& path);
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size_t writeStream(SkStream* stream, size_t length);
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void writeBitmap(const SkBitmap& bitmap);
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void writeImage(const SkImage*);
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void writeTypeface(SkTypeface* typeface);
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void writePaint(const SkPaint& paint) { paint.flatten(*this); }
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bool writeToStream(SkWStream*);
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void writeToMemory(void* dst) { fWriter.flatten(dst); }
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SkFactorySet* setFactoryRecorder(SkFactorySet*);
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SkNamedFactorySet* setNamedFactoryRecorder(SkNamedFactorySet*);
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SkRefCntSet* getTypefaceRecorder() const { return fTFSet; }
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SkRefCntSet* setTypefaceRecorder(SkRefCntSet*);
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/**
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* Set an SkBitmapHeap to store bitmaps rather than flattening.
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*
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* Incompatible with an SkPixelSerializer. If an SkPixelSerializer is set,
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* setting an SkBitmapHeap will set the SkPixelSerializer to NULL in release
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* and crash in debug.
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*/
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void setBitmapHeap(SkBitmapHeap*);
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/**
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* Set an SkPixelSerializer to store an encoded representation of pixels,
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* e.g. SkBitmaps.
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*
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* Calls ref() on the serializer.
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*
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* TODO: Encode SkImage pixels as well.
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*
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* Incompatible with the SkBitmapHeap. If an encoder is set fBitmapHeap will
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* be set to NULL in release and crash in debug.
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*/
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void setPixelSerializer(SkPixelSerializer*);
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SkPixelSerializer* getPixelSerializer() const { return fPixelSerializer; }
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private:
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bool isValidating() const { return SkToBool(fFlags & kValidation_Flag); }
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const uint32_t fFlags;
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SkFactorySet* fFactorySet;
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SkNamedFactorySet* fNamedFactorySet;
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SkWriter32 fWriter;
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SkBitmapHeap* fBitmapHeap;
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SkRefCntSet* fTFSet;
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SkAutoTUnref<SkPixelSerializer> fPixelSerializer;
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};
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#endif // SkWriteBuffer_DEFINED
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