mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
110 lines
3.9 KiB
C++
110 lines
3.9 KiB
C++
/*
|
|
* Copyright (C) 2011 Apple Inc. All rights reserved.
|
|
* Copyright (C) 2011 Google Inc. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef SKY_ENGINE_WTF_FLOAT64ARRAY_H_
|
|
#define SKY_ENGINE_WTF_FLOAT64ARRAY_H_
|
|
|
|
#include "sky/engine/wtf/MathExtras.h"
|
|
#include "sky/engine/wtf/TypedArrayBase.h"
|
|
|
|
namespace WTF {
|
|
|
|
class Float64Array final : public TypedArrayBase<double> {
|
|
public:
|
|
static inline PassRefPtr<Float64Array> create(unsigned length);
|
|
static inline PassRefPtr<Float64Array> create(const double* array, unsigned length);
|
|
static inline PassRefPtr<Float64Array> create(PassRefPtr<ArrayBuffer>, unsigned byteOffset, unsigned length);
|
|
|
|
// Should only be used when it is known the entire array will be filled. Do
|
|
// not return these results directly to JavaScript without filling first.
|
|
static inline PassRefPtr<Float64Array> createUninitialized(unsigned length);
|
|
|
|
using TypedArrayBase<double>::set;
|
|
|
|
void set(unsigned index, double value)
|
|
{
|
|
if (index >= TypedArrayBase<double>::m_length)
|
|
return;
|
|
TypedArrayBase<double>::data()[index] = static_cast<double>(value);
|
|
}
|
|
|
|
inline PassRefPtr<Float64Array> subarray(int start) const;
|
|
inline PassRefPtr<Float64Array> subarray(int start, int end) const;
|
|
|
|
virtual ViewType type() const override
|
|
{
|
|
return TypeFloat64;
|
|
}
|
|
|
|
private:
|
|
inline Float64Array(PassRefPtr<ArrayBuffer>,
|
|
unsigned byteOffset,
|
|
unsigned length);
|
|
// Make constructor visible to superclass.
|
|
friend class TypedArrayBase<double>;
|
|
};
|
|
|
|
PassRefPtr<Float64Array> Float64Array::create(unsigned length)
|
|
{
|
|
return TypedArrayBase<double>::create<Float64Array>(length);
|
|
}
|
|
|
|
PassRefPtr<Float64Array> Float64Array::create(const double* array, unsigned length)
|
|
{
|
|
return TypedArrayBase<double>::create<Float64Array>(array, length);
|
|
}
|
|
|
|
PassRefPtr<Float64Array> Float64Array::create(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
|
|
{
|
|
return TypedArrayBase<double>::create<Float64Array>(buffer, byteOffset, length);
|
|
}
|
|
|
|
PassRefPtr<Float64Array> Float64Array::createUninitialized(unsigned length)
|
|
{
|
|
return TypedArrayBase<double>::createUninitialized<Float64Array>(length);
|
|
}
|
|
|
|
Float64Array::Float64Array(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned length)
|
|
: TypedArrayBase<double>(buffer, byteOffset, length)
|
|
{
|
|
}
|
|
|
|
PassRefPtr<Float64Array> Float64Array::subarray(int start) const
|
|
{
|
|
return subarray(start, length());
|
|
}
|
|
|
|
PassRefPtr<Float64Array> Float64Array::subarray(int start, int end) const
|
|
{
|
|
return subarrayImpl<Float64Array>(start, end);
|
|
}
|
|
|
|
} // namespace WTF
|
|
|
|
using WTF::Float64Array;
|
|
|
|
#endif // SKY_ENGINE_WTF_FLOAT64ARRAY_H_
|