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f2d2e80e59
This CL flips the switch to make Sky use Dart. TBR=eseidel@chromium.org BUG=454613 Review URL: https://codereview.chromium.org/922893002
100 lines
5.2 KiB
C++
100 lines
5.2 KiB
C++
/*
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* Copyright (C) 2010 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_
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#define SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_
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#include "sky/engine/tonic/dart_wrappable.h"
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#include "sky/engine/wtf/ArrayBufferView.h"
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#include "sky/engine/wtf/PassRefPtr.h"
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namespace blink {
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class ExceptionState;
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class DataView final : public ArrayBufferView {
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public:
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static PassRefPtr<DataView> create(unsigned length);
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static PassRefPtr<DataView> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned byteLength);
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virtual unsigned byteLength() const override { return m_byteLength; }
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int8_t getInt8(unsigned byteOffset, ExceptionState&);
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uint8_t getUint8(unsigned byteOffset, ExceptionState&);
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int16_t getInt16(unsigned byteOffset, ExceptionState& ec) { return getInt16(byteOffset, false, ec); }
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int16_t getInt16(unsigned byteOffset, bool littleEndian, ExceptionState&);
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uint16_t getUint16(unsigned byteOffset, ExceptionState& ec) { return getUint16(byteOffset, false, ec); }
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uint16_t getUint16(unsigned byteOffset, bool littleEndian, ExceptionState&);
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int32_t getInt32(unsigned byteOffset, ExceptionState& ec) { return getInt32(byteOffset, false, ec); }
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int32_t getInt32(unsigned byteOffset, bool littleEndian, ExceptionState&);
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uint32_t getUint32(unsigned byteOffset, ExceptionState& ec) { return getUint32(byteOffset, false, ec); }
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uint32_t getUint32(unsigned byteOffset, bool littleEndian, ExceptionState&);
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float getFloat32(unsigned byteOffset, ExceptionState& ec) { return getFloat32(byteOffset, false, ec); }
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float getFloat32(unsigned byteOffset, bool littleEndian, ExceptionState&);
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double getFloat64(unsigned byteOffset, ExceptionState& ec) { return getFloat64(byteOffset, false, ec); }
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double getFloat64(unsigned byteOffset, bool littleEndian, ExceptionState&);
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void setInt8(unsigned byteOffset, int8_t value, ExceptionState&);
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void setUint8(unsigned byteOffset, uint8_t value, ExceptionState&);
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void setInt16(unsigned byteOffset, int16_t value, ExceptionState& ec) { setInt16(byteOffset, value, false, ec); }
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void setInt16(unsigned byteOffset, int16_t value, bool littleEndian, ExceptionState&);
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void setUint16(unsigned byteOffset, uint16_t value, ExceptionState& ec) { setUint16(byteOffset, value, false, ec); }
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void setUint16(unsigned byteOffset, uint16_t value, bool littleEndian, ExceptionState&);
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void setInt32(unsigned byteOffset, int32_t value, ExceptionState& ec) { setInt32(byteOffset, value, false, ec); }
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void setInt32(unsigned byteOffset, int32_t value, bool littleEndian, ExceptionState&);
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void setUint32(unsigned byteOffset, uint32_t value, ExceptionState& ec) { setUint32(byteOffset, value, false, ec); }
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void setUint32(unsigned byteOffset, uint32_t value, bool littleEndian, ExceptionState&);
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void setFloat32(unsigned byteOffset, float value, ExceptionState& ec) { setFloat32(byteOffset, value, false, ec); }
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void setFloat32(unsigned byteOffset, float value, bool littleEndian, ExceptionState&);
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void setFloat64(unsigned byteOffset, double value, ExceptionState& ec) { setFloat64(byteOffset, value, false, ec); }
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void setFloat64(unsigned byteOffset, double value, bool littleEndian, ExceptionState&);
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virtual ViewType type() const override
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{
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return TypeDataView;
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}
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protected:
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virtual void neuter() override;
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private:
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DataView(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned byteLength);
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template<typename T>
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inline bool beyondRange(unsigned byteOffset) const { return byteOffset >= m_byteLength || byteOffset + sizeof(T) > m_byteLength; }
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template<typename T>
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T getData(unsigned byteOffset, bool littleEndian, ExceptionState&) const;
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template<typename T>
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void setData(unsigned byteOffset, T value, bool littleEndian, ExceptionState&);
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unsigned m_byteLength;
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_HTML_CANVAS_DATAVIEW_H_
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