2 files changed, 204 insertions, 0 deletions
diff --git a/src/core/SkOrderedReadBuffer.h b/src/core/SkOrderedReadBuffer.h
new file mode 100644
index 0000000000..8462b7f89d
--- /dev/null
+++ b/src/core/SkOrderedReadBuffer.h
@@ -0,0 +1,115 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkOrderedReadBuffer_DEFINED
+#define SkOrderedReadBuffer_DEFINED
+
+#include "SkRefCnt.h"
+#include "SkBitmap.h"
+#include "SkBitmapHeap.h"
+#include "SkFlattenableBuffers.h"
+#include "SkReader32.h"
+#include "SkPath.h"
+
+class SkOrderedReadBuffer : public SkFlattenableReadBuffer {
+public:
+    SkOrderedReadBuffer();
+    SkOrderedReadBuffer(const void* data, size_t size);
+    SkOrderedReadBuffer(SkStream* stream);
+    virtual ~SkOrderedReadBuffer();
+
+    virtual SkOrderedReadBuffer* getOrderedBinaryBuffer() SK_OVERRIDE { return this; }
+
+    SkReader32* getReader32() { return &fReader; }
+
+    uint32_t size() { return fReader.size(); }
+    uint32_t offset() { return fReader.offset(); }
+    bool eof() { return fReader.eof(); }
+    const void* skip(size_t size) { return fReader.skip(size); }
+
+    // primitives
+    virtual bool readBool() SK_OVERRIDE;
+    virtual SkColor readColor() SK_OVERRIDE;
+    virtual SkFixed readFixed() SK_OVERRIDE;
+    virtual int32_t readInt() SK_OVERRIDE;
+    virtual SkScalar readScalar() SK_OVERRIDE;
+    virtual uint32_t readUInt() SK_OVERRIDE;
+    virtual int32_t read32() SK_OVERRIDE;
+
+    // strings -- the caller is responsible for freeing the string contents
+    virtual char* readString() SK_OVERRIDE;
+    virtual void* readEncodedString(size_t* length, SkPaint::TextEncoding encoding) SK_OVERRIDE;
+
+    // common data structures
+    virtual SkFlattenable* readFlattenable() SK_OVERRIDE;
+    virtual void readPoint(SkPoint* point) SK_OVERRIDE;
+    virtual void readMatrix(SkMatrix* matrix) SK_OVERRIDE;
+    virtual void readIRect(SkIRect* rect) SK_OVERRIDE;
+    virtual void readRect(SkRect* rect) SK_OVERRIDE;
+    virtual void readRegion(SkRegion* region) SK_OVERRIDE;
+    virtual void readPath(SkPath* path) SK_OVERRIDE;
+
+    // binary data and arrays
+    virtual uint32_t readByteArray(void* value) SK_OVERRIDE;
+    virtual uint32_t readColorArray(SkColor* colors) SK_OVERRIDE;
+    virtual uint32_t readIntArray(int32_t* values) SK_OVERRIDE;
+    virtual uint32_t readPointArray(SkPoint* points) SK_OVERRIDE;
+    virtual uint32_t readScalarArray(SkScalar* values) SK_OVERRIDE;
+
+    // helpers to get info about arrays and binary data
+    virtual uint32_t getArrayCount() SK_OVERRIDE;
+
+    virtual void readBitmap(SkBitmap* bitmap) SK_OVERRIDE;
+    virtual SkTypeface* readTypeface() SK_OVERRIDE;
+
+    void setBitmapStorage(SkBitmapHeapReader* bitmapStorage) {
+        SkRefCnt_SafeAssign(fBitmapStorage, bitmapStorage);
+    }
+
+    void setTypefaceArray(SkTypeface* array[], int count) {
+        fTFArray = array;
+        fTFCount = count;
+    }
+
+    /**
+     *  Call this with a pre-loaded array of Factories, in the same order as
+     *  were created/written by the writer. SkPicture uses this.
+     */
+    void setFactoryPlayback(SkFlattenable::Factory array[], int count) {
+        fFactoryTDArray = NULL;
+        fFactoryArray = array;
+        fFactoryCount = count;
+    }
+
+    /**
+     *  Call this with an initially empty array, so the reader can cache each
+     *  factory it sees by name. Used by the pipe code in conjunction with
+     *  the writer's kInlineFactoryNames_Flag.
+     */
+    void setFactoryArray(SkTDArray<SkFlattenable::Factory>* array) {
+        fFactoryTDArray = array;
+        fFactoryArray = NULL;
+        fFactoryCount = 0;
+    }
+
+private:
+    SkReader32 fReader;
+    void* fMemoryPtr;
+
+    SkBitmapHeapReader* fBitmapStorage;
+    SkTypeface** fTFArray;
+    int        fTFCount;
+
+    SkTDArray<SkFlattenable::Factory>* fFactoryTDArray;
+    SkFlattenable::Factory* fFactoryArray;
+    int                     fFactoryCount;
+
+    typedef SkFlattenableReadBuffer INHERITED;
+};
+
+#endif // SkOrderedReadBuffer_DEFINED
diff --git a/src/core/SkOrderedWriteBuffer.h b/src/core/SkOrderedWriteBuffer.h
new file mode 100644
index 0000000000..7be2a90bc3
--- /dev/null
+++ b/src/core/SkOrderedWriteBuffer.h
@@ -0,0 +1,89 @@
+
+/*
+ * Copyright 2011 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkOrderedWriteBuffer_DEFINED
+#define SkOrderedWriteBuffer_DEFINED
+
+#include "SkFlattenableBuffers.h"
+
+#include "SkRefCnt.h"
+#include "SkBitmap.h"
+#include "SkBitmapHeap.h"
+#include "SkPath.h"
+#include "SkWriter32.h"
+
+class SkFlattenable;
+
+class SkOrderedWriteBuffer : public SkFlattenableWriteBuffer {
+public:
+    SkOrderedWriteBuffer(size_t minSize);
+    SkOrderedWriteBuffer(size_t minSize, void* initialStorage,
+                         size_t storageSize);
+    virtual ~SkOrderedWriteBuffer();
+
+    virtual bool isOrderedBinaryBuffer() SK_OVERRIDE { return true; }
+    virtual SkOrderedWriteBuffer* getOrderedBinaryBuffer() SK_OVERRIDE { return this; }
+
+    SkWriter32* getWriter32() { return &fWriter; }
+
+    void writeToMemory(void* dst) { fWriter.flatten(dst); }
+    uint32_t* reserve(size_t size) { return fWriter.reserve(size); }
+    uint32_t size() { return fWriter.size(); }
+
+    virtual void writeByteArray(const void* data, size_t size) SK_OVERRIDE;
+    virtual void writeBool(bool value) SK_OVERRIDE;
+    virtual void writeFixed(SkFixed value) SK_OVERRIDE;
+    virtual void writeScalar(SkScalar value) SK_OVERRIDE;
+    virtual void writeScalarArray(const SkScalar* value, uint32_t count) SK_OVERRIDE;
+    virtual void writeInt(int32_t value) SK_OVERRIDE;
+    virtual void writeIntArray(const int32_t* value, uint32_t count) SK_OVERRIDE;
+    virtual void writeUInt(uint32_t value) SK_OVERRIDE;
+    virtual void write32(int32_t value) SK_OVERRIDE;
+    virtual void writeString(const char* value) SK_OVERRIDE;
+    virtual void writeEncodedString(const void* value, size_t byteLength,
+                                    SkPaint::TextEncoding encoding) SK_OVERRIDE;
+
+    virtual void writeFlattenable(SkFlattenable* flattenable) SK_OVERRIDE;
+    virtual void writeColor(const SkColor& color) SK_OVERRIDE;
+    virtual void writeColorArray(const SkColor* color, uint32_t count) SK_OVERRIDE;
+    virtual void writePoint(const SkPoint& point) SK_OVERRIDE;
+    virtual void writePointArray(const SkPoint* point, uint32_t count) SK_OVERRIDE;
+    virtual void writeMatrix(const SkMatrix& matrix) SK_OVERRIDE;
+    virtual void writeIRect(const SkIRect& rect)SK_OVERRIDE;
+    virtual void writeRect(const SkRect& rect) SK_OVERRIDE;
+    virtual void writeRegion(const SkRegion& region) SK_OVERRIDE;
+    virtual void writePath(const SkPath& path) SK_OVERRIDE;
+    virtual size_t writeStream(SkStream* stream, size_t length) SK_OVERRIDE;
+
+    virtual void writeBitmap(const SkBitmap& bitmap) SK_OVERRIDE;
+    virtual void writeTypeface(SkTypeface* typeface) SK_OVERRIDE;
+
+    virtual bool writeToStream(SkWStream*) SK_OVERRIDE;
+
+    SkFactorySet* setFactoryRecorder(SkFactorySet*);
+    SkNamedFactorySet* setNamedFactoryRecorder(SkNamedFactorySet*);
+
+    SkRefCntSet* getTypefaceRecorder() const { return fTFSet; }
+    SkRefCntSet* setTypefaceRecorder(SkRefCntSet*);
+
+    void setBitmapHeap(SkBitmapHeap* bitmapHeap) {
+        SkRefCnt_SafeAssign(fBitmapHeap, bitmapHeap);
+    }
+
+private:
+    SkFactorySet* fFactorySet;
+    SkNamedFactorySet* fNamedFactorySet;
+    SkWriter32 fWriter;
+
+    SkBitmapHeap* fBitmapHeap;
+    SkRefCntSet* fTFSet;
+
+    typedef SkFlattenableWriteBuffer INHERITED;
+};
+
+#endif // SkOrderedWriteBuffer_DEFINED