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/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef QT3DSDM_VALUE_H
#define QT3DSDM_VALUE_H
#include "Qt3DSDMDataTypes.h"
#include <QColor>
#include <QMetaType>
#include <QVariant>
#include <QVector>
#include <QVector2D>
#include <QVector3D>
namespace qt3dsdm {
template <typename TDataType>
struct SDataTypeToEnumMap
{
};
template <DataModelDataType::Value TEnumVal>
struct SEnumToDataTypeMap
{
};
#define DEFINE_QT3DSDM_DATA_TYPE_MAP(dtype, enumName) \
template <> \
struct SDataTypeToEnumMap<dtype> \
{ \
static DataModelDataType::Value getType() { return enumName; } \
}; \
template <> \
struct SEnumToDataTypeMap<enumName> \
{ \
typedef dtype TDataType; \
};
#define ITERATE_QT3DSDM_DATA_TYPES \
HANDLE_QT3DSDM_DATA_TYPE(float, DataModelDataType::Float); \
HANDLE_QT3DSDM_DATA_TYPE(SFloat2, DataModelDataType::Float2); \
HANDLE_QT3DSDM_DATA_TYPE(SFloat3, DataModelDataType::Float3); \
HANDLE_QT3DSDM_DATA_TYPE(SFloat4, DataModelDataType::Float4); \
HANDLE_QT3DSDM_DATA_TYPE(qt3ds::QT3DSI32, DataModelDataType::Long); \
HANDLE_QT3DSDM_DATA_TYPE(TDataStrPtr, DataModelDataType::String); \
HANDLE_QT3DSDM_DATA_TYPE(bool, DataModelDataType::Bool); \
HANDLE_QT3DSDM_DATA_TYPE(SLong4, DataModelDataType::Long4); \
HANDLE_QT3DSDM_DATA_TYPE(SStringRef, DataModelDataType::StringRef); \
HANDLE_QT3DSDM_DATA_TYPE(SObjectRefType, DataModelDataType::ObjectRef); \
HANDLE_QT3DSDM_DATA_TYPE(SStringOrInt, DataModelDataType::StringOrInt); \
HANDLE_QT3DSDM_DATA_TYPE(TFloatList, DataModelDataType::FloatList);
#define HANDLE_QT3DSDM_DATA_TYPE(a, b) DEFINE_QT3DSDM_DATA_TYPE_MAP(a, b)
ITERATE_QT3DSDM_DATA_TYPES
#undef HANDLE_QT3DSDM_DATA_TYPE
struct Qt3DSDMDataTypeUnionTraits
{
typedef DataModelDataType::Value TIdType;
enum {
TBufferSize = sizeof(SObjectRefType),
};
static TIdType getNoDataId() { return DataModelDataType::None; }
template <typename TDataType>
static TIdType getType()
{
return SDataTypeToEnumMap<TDataType>::getType();
}
template <typename TRetType, typename TVisitorType>
static TRetType visit(char *inData, DataModelDataType::Value inType, TVisitorType inVisitor)
{
switch (inType) {
#define HANDLE_QT3DSDM_DATA_TYPE(dtype, enumType) \
case enumType: \
return inVisitor(*NVUnionCast<dtype *>(inData));
ITERATE_QT3DSDM_DATA_TYPES
#undef HANDLE_QT3DSDM_DATA_TYPE
default:
QT3DS_ASSERT(false);
case DataModelDataType::None:
return inVisitor();
}
}
template <typename TRetType, typename TVisitorType>
static TRetType visit(const char *inData, DataModelDataType::Value inType, TVisitorType inVisitor)
{
switch (inType) {
#define HANDLE_QT3DSDM_DATA_TYPE(dtype, enumType) \
case enumType: \
return inVisitor(*NVUnionCast<const dtype *>(inData));
ITERATE_QT3DSDM_DATA_TYPES
#undef HANDLE_QT3DSDM_DATA_TYPE
default:
QT3DS_ASSERT(false);
case DataModelDataType::None:
return inVisitor();
}
}
};
typedef qt3ds::foundation::
DiscriminatedUnion<qt3ds::foundation::
DiscriminatedUnionGenericBase<Qt3DSDMDataTypeUnionTraits,
Qt3DSDMDataTypeUnionTraits::TBufferSize>,
Qt3DSDMDataTypeUnionTraits::TBufferSize>
TValue;
struct SValue : public TValue
{
SValue() {}
SValue(const SValue &inOther)
: TValue(static_cast<const TValue &>(inOther))
{
}
SValue(const QVariant &inData);
template <typename TDataType>
SValue(const TDataType &inData)
: TValue(inData)
{
}
SValue &operator=(const SValue &inOther)
{
TValue::operator=(inOther);
return *this;
}
bool operator==(const SValue &inOther) const { return TValue::operator==(inOther); }
bool operator!=(const SValue &inOther) const { return TValue::operator!=(inOther); }
bool empty() const { return getType() == DataModelDataType::None; }
// Conversion from this data type into a data model value
const SValue &toOldSkool() const { return *this; }
QVariant toQVariant() const;
};
typedef std::shared_ptr<SValue> SValuePtr;
template <>
struct Qt3DSDMGetter<SValue>
{
template <typename TRetType>
TRetType doGet(const SValue &inValue)
{
return inValue.getData<TRetType>();
}
};
template <>
struct Qt3DSDMValueTyper<SValue>
{
DataModelDataType::Value Get(const SValue &inValue) { return inValue.getType(); }
};
inline bool CheckValueType(DataModelDataType::Value inType, const SValue &inValue)
{
bool retval = inType == inValue.getType();
if (!retval)
throw ValueTypeError(L"");
return retval;
}
inline bool Equals(const SValue &lhs, const SValue &rhs)
{
return lhs == rhs;
}
class SInternValue
{
SValue m_Value;
public:
SInternValue(const SValue &inValue, IStringTable &inTable);
SInternValue() {}
SInternValue(const SInternValue &inOther);
SInternValue &operator=(const SInternValue &inOther)
{
m_Value = inOther.m_Value;
return *this;
}
static SInternValue ISwearThisHasAlreadyBeenInternalized(const SValue &inValue)
{
SInternValue retval;
retval.m_Value = inValue;
return retval;
}
const SValue &GetValue() const { return m_Value; }
operator const SValue &() const { return m_Value; }
};
template <>
struct SDefaulter<SValue>
{
inline bool SetDefault(DataModelDataType::Value inDataType, SValue &outValue)
{
switch (inDataType) {
case DataModelDataType::Float:
outValue = SValue(0.f);
break;
case DataModelDataType::Float2:
outValue = SValue(SFloat2());
break;
case DataModelDataType::Float3:
outValue = SValue(SFloat3());
break;
case DataModelDataType::Float4:
outValue = SValue(SFloat4());
break;
case DataModelDataType::Long:
outValue = SValue(0);
break;
case DataModelDataType::String:
outValue = SValue(TDataStrPtr(new CDataStr(L"")));
break;
case DataModelDataType::Bool:
outValue = SValue(false);
break;
case DataModelDataType::Long4:
outValue = SValue(SLong4());
break;
case DataModelDataType::StringRef:
outValue = SValue(SStringRef());
break;
case DataModelDataType::ObjectRef:
outValue = SValue(SObjectRefType());
break;
case DataModelDataType::FloatList:
outValue = SValue(TFloatList());
break;
case DataModelDataType::StringOrInt:
default:
outValue = SValue(SStringOrInt());
return false;
}
return true;
}
};
inline SObjectRefType ConvertToObjectRef(const SValue &inValue)
{
using namespace std;
switch (GetValueType(inValue)) {
case DataModelDataType::StringRef:
return SObjectRefType(make_shared<CDataStr>(get<SStringRef>(inValue).m_Id));
case DataModelDataType::String:
return SObjectRefType(get<TDataStrPtr>(inValue));
case DataModelDataType::Long4:
return SObjectRefType(get<SLong4>(inValue));
case DataModelDataType::ObjectRef:
return get<SObjectRefType>(inValue);
default:
break;
}
return SObjectRefType();
}
template <>
inline QColor get<QColor>(const SValue &inType)
{
auto f = get<qt3dsdm::SFloat4>(inType);
qreal r = qBound<qreal>(0.0, f.m_Floats[0], 1.0);
qreal g = qBound<qreal>(0.0, f.m_Floats[1], 1.0);
qreal b = qBound<qreal>(0.0, f.m_Floats[2], 1.0);
qreal a = qBound<qreal>(0.0, f.m_Floats[3], 1.0);
return QColor::fromRgbF(r, g, b, a);
}
template <>
inline QString get<QString>(const qt3dsdm::SValue &inType)
{
return QString::fromWCharArray(qt3dsdm::get<qt3dsdm::TDataStrPtr>(inType)->GetData());
}
template <>
inline QVector2D get<QVector2D>(const qt3dsdm::SValue &inType)
{
auto f = get<qt3dsdm::SFloat2>(inType);
return QVector2D(f.m_Floats[0], f.m_Floats[1]);
}
template <>
inline QVector3D get<QVector3D>(const qt3dsdm::SValue &inType)
{
auto f = get<qt3dsdm::SFloat3>(inType);
return QVector3D(f.m_Floats[0], f.m_Floats[1], f.m_Floats[2]);
}
template <>
inline QVector<float> get<QVector<float> >(const qt3dsdm::SValue &inType)
{
auto f = get<qt3dsdm::SFloat4>(inType);
return {f.m_Floats[0], f.m_Floats[1], f.m_Floats[2], f.m_Floats[3]};
}
// KDAB_TODO Shortcut to not define our own 4 member long structure
template <>
inline QVector<qt3ds::QT3DSU32> get<QVector<qt3ds::QT3DSU32> >(const qt3dsdm::SValue &inType)
{
auto f = get<qt3dsdm::SLong4>(inType);
return {f.m_Longs[0], f.m_Longs[1], f.m_Longs[2], f.m_Longs[3]};
}
}
Q_DECLARE_METATYPE(qt3dsdm::DataModelDataType)
#endif
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