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Diffstat (limited to 'src/dm/systems/Qt3DSDMMetaDataValue.h')
| -rw-r--r-- | src/dm/systems/Qt3DSDMMetaDataValue.h | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/src/dm/systems/Qt3DSDMMetaDataValue.h b/src/dm/systems/Qt3DSDMMetaDataValue.h new file mode 100644 index 0000000..b981b95 --- /dev/null +++ b/src/dm/systems/Qt3DSDMMetaDataValue.h @@ -0,0 +1,251 @@ +/**************************************************************************** +** +** Copyright (C) 2008 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 +#include <EASTL/string.h> +#include <EASTL/vector.h> +#include "Qt3DSDMHandles.h" +#include "Qt3DSDMDataTypes.h" +#include "foundation/Qt3DSDataRef.h" +#include "Qt3DSDMValue.h" + +#include <QStringList> + +namespace qt3dsdm { + +struct AdditionalMetaDataType { + + enum Value { + None, + StringList, + Range, + Image, + Color, + Rotation, + Font, + FontSize, + MultiLine, + ObjectRef, + Mesh, + Import, + Texture, + Renderable, + PathBuffer, + ShadowMapResolution, + String, + }; + + + Q_ENUM(Value) + Q_GADGET +}; + +// List type metadata +typedef eastl::vector<TCharStr> TMetaDataStringList; + +// Float type metadata +struct SMetaDataRange +{ + SMetaDataRange() {} + + SMetaDataRange(float min, float max, int decimals = -1) + : m_min(min) + , m_max(max) + , m_decimals(decimals) + { + } + + bool operator==(const SMetaDataRange &other) const + { + // no need to check m_decimals for quality as it is not significant to the range value + return m_min == other.m_min && m_max == other.m_max; + } + + float m_min = 0.0f; + float m_max = 0.0f; + int m_decimals = -1; // num decimals to show, -1: dynamically calculated +}; +} + +namespace qt3ds { +namespace foundation { + + template <> + struct DestructTraits<qt3dsdm::SMetaDataRange> + { + void destruct(qt3dsdm::SMetaDataRange &) {} + }; +} +} + +namespace qt3dsdm { + +template <typename TDataType> +struct SMetaDataTypeToEnumMap +{ +}; +template <> +struct SMetaDataTypeToEnumMap<eastl::vector<TCharStr>> +{ + static AdditionalMetaDataType::Value getType() { return AdditionalMetaDataType::StringList; } +}; +template <> +struct SMetaDataTypeToEnumMap<SMetaDataRange> +{ + static AdditionalMetaDataType::Value getType() { return AdditionalMetaDataType::Range; } +}; + +struct SMetaDataValueTraits +{ + typedef AdditionalMetaDataType::Value TIdType; + + enum { + TBufferSize = sizeof(TMetaDataStringList), + }; + + static TIdType getNoDataId() { return AdditionalMetaDataType::None; } + + template <typename TDataType> + static TIdType getType() + { + return SMetaDataTypeToEnumMap<TDataType>::getType(); + } + + template <typename TRetType, typename TVisitorType> + static TRetType visit(char *inData, AdditionalMetaDataType::Value inType, TVisitorType inVisitor) + { + switch (inType) { + case AdditionalMetaDataType::StringList: + return inVisitor(*reinterpret_cast<TMetaDataStringList *>(inData)); + case AdditionalMetaDataType::Range: + return inVisitor(*reinterpret_cast<SMetaDataRange *>(inData)); + default: + QT3DS_ASSERT(false); + case AdditionalMetaDataType::None: + return inVisitor(); + } + } + + template <typename TRetType, typename TVisitorType> + static TRetType visit(const char *inData, AdditionalMetaDataType::Value inType, + TVisitorType inVisitor) + { + switch (inType) { + case AdditionalMetaDataType::StringList: + return inVisitor(*reinterpret_cast<const TMetaDataStringList *>(inData)); + case AdditionalMetaDataType::Range: + return inVisitor(*reinterpret_cast<const SMetaDataRange *>(inData)); + default: + QT3DS_ASSERT(false); + case AdditionalMetaDataType::None: + return inVisitor(); + } + } +}; + +struct SMetaDataData + : public qt3ds::foundation:: + DiscriminatedUnion<qt3ds::foundation:: + DiscriminatedUnionGenericBase<SMetaDataValueTraits, + Qt3DSDMDataTypeUnionTraits:: + TBufferSize>, + SMetaDataValueTraits::TBufferSize> +{ + typedef qt3ds::foundation:: + DiscriminatedUnion<qt3ds::foundation::DiscriminatedUnionGenericBase<SMetaDataValueTraits, + Qt3DSDMDataTypeUnionTraits:: + TBufferSize>, + SMetaDataValueTraits::TBufferSize> + TBase; + SMetaDataData() {} + SMetaDataData(const SMetaDataData &inOther) + : TBase(static_cast<const TBase &>(inOther)) + { + } + SMetaDataData &operator=(const SMetaDataData &inOther) + { + TBase::operator=(static_cast<const TBase &>(inOther)); + return *this; + } + SMetaDataData(const TMetaDataStringList &inData) + : TBase(inData) + { + } + SMetaDataData(const SMetaDataRange &inData) + : TBase(inData) + { + } + SMetaDataData &operator=(const TMetaDataStringList &inData) + { + TBase::operator=(inData); + return *this; + } + SMetaDataData &operator=(const SMetaDataRange &inData) + { + TBase::operator=(inData); + return *this; + } + bool empty() const { return getType() == AdditionalMetaDataType::None; } +}; + +template <> +struct Qt3DSDMGetter<SMetaDataData> +{ + template <typename TRetType> + TRetType doGet(const SMetaDataData &inValue) + { + return inValue.getData<TRetType>(); + } +}; + +template <> +struct Qt3DSDMValueTyper<SMetaDataData> +{ + AdditionalMetaDataType::Value Get(const SMetaDataData &inValue) { return inValue.getType(); } +}; + +typedef SMetaDataData TMetaDataData; + + +template <> +inline QStringList get<QStringList>(const qt3dsdm::SMetaDataData &inType) +{ + QStringList result; + if (inType.getType() == qt3dsdm::AdditionalMetaDataType::None) + return result; + + auto list = qt3dsdm::get<qt3dsdm::TMetaDataStringList>(inType); + std::transform(list.begin(), list.end(), std::back_inserter(result), [](const Qt3DSDMStr &s) { + return QString::fromWCharArray(s.wide_str()); + }); + return result; +} +} + +Q_DECLARE_METATYPE(qt3dsdm::AdditionalMetaDataType) + |