mirror of
https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
651 lines
20 KiB
C++
651 lines
20 KiB
C++
// Copyright (C) 2022 Jakub Melka
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//
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// This file is part of PDF4QT.
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//
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// PDF4QT is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// with the written consent of the copyright owner, any later version.
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//
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// PDF4QT is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with PDF4QT. If not, see <https://www.gnu.org/licenses/>.
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#ifndef PDF3D_U3D_H
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#define PDF3D_U3D_H
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#include "pdfglobal.h"
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#include <QUuid>
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#include <QByteArray>
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#include <QSharedPointer>
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#include <QMatrix4x4>
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#include <array>
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class QTextCodec;
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namespace pdf
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{
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namespace u3d
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{
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class PDF3D_U3D;
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class PDF3D_U3D_DataReader;
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class PDF3D_U3D_AbstractBlock;
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using PDF3D_U3D_AbstractBlockPtr = QSharedPointer<PDF3D_U3D_AbstractBlock>;
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using PDF3D_U3D_Vec3 = std::array<float, 3>;
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using PDF3D_U3D_Vec4 = std::array<float, 4>;
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class PDF3D_U3D_AbstractBlock
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{
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public:
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inline constexpr PDF3D_U3D_AbstractBlock() = default;
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virtual ~PDF3D_U3D_AbstractBlock() = default;
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void parseMetadata(QByteArray metaData, PDF3D_U3D* object);
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struct ParentNodeData
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{
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QString parentNodeName;
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QMatrix4x4 transformMatrix;
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};
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using ParentNodesData = std::vector<ParentNodeData>;
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struct MetaDataItem
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{
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uint32_t attributes = 0;
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QString key;
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QString value;
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QByteArray binaryData;
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};
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static ParentNodesData parseParentNodeData(PDF3D_U3D_DataReader& reader, PDF3D_U3D* object);
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private:
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std::vector<MetaDataItem> m_metaData;
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};
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// Bounding sphere - x, y, z position and radius
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using PDF3D_U3D_BoundingSphere = std::array<float, 4>;
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// Bounding box - min (x,y,z), max (x,y,z) - six values
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using PDF3D_U3D_AxisAlignedBoundingBox = std::array<float, 4>;
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// -------------------------------------------------------------------------------
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// FILE STRUCTURE BLOCKS
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// -------------------------------------------------------------------------------
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class PDF3D_U3D_FileBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0x00443355;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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bool isExtensibleProfile() const { return m_profileIdentifier & 0x00000002; }
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bool isNoCompressionMode() const { return m_profileIdentifier & 0x00000004; }
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bool isDefinedUnits() const { return m_profileIdentifier & 0x00000008; }
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int16_t getMajorVersion() const;
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int16_t getMinorVersion() const;
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uint32_t getProfileIdentifier() const;
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uint32_t getDeclarationSize() const;
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uint64_t getFileSize() const;
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uint32_t getCharacterEncoding() const;
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PDFReal getUnitScalingFactor() const;
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private:
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int16_t m_majorVersion = 0;
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int16_t m_minorVersion = 0;
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uint32_t m_profileIdentifier = 0;
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uint32_t m_declarationSize = 0;
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uint64_t m_fileSize = 0;
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uint32_t m_characterEncoding = 0;
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PDFReal m_unitScalingFactor = 1.0;
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};
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class PDF3D_U3D_FileReferenceBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF12;
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bool isBoundingSpherePresent() const { return m_fileReferenceAttributes & 0x00000001; }
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bool isAxisAlignedBoundingBoxPresent() const { return m_fileReferenceAttributes & 0x00000002; }
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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struct Filter
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{
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uint8_t filterType = 0;
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QString objectNameFilter;
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uint32_t objectTypeFilter = 0;
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};
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const QString& getScopeName() const;
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uint32_t getFileReferenceAttributes() const;
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const PDF3D_U3D_BoundingSphere& getBoundingSphere() const;
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const PDF3D_U3D_AxisAlignedBoundingBox& getBoundingBox() const;
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uint32_t getUrlCount() const;
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const QStringList& getUrls() const;
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uint32_t getFilterCount() const;
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const std::vector<Filter>& getFilters() const;
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uint8_t getNameCollisionPolicy() const;
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const QString& getWorldAliasName() const;
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private:
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QString m_scopeName;
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uint32_t m_fileReferenceAttributes = 0;
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PDF3D_U3D_BoundingSphere m_boundingSphere = PDF3D_U3D_BoundingSphere();
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PDF3D_U3D_AxisAlignedBoundingBox m_boundingBox = PDF3D_U3D_AxisAlignedBoundingBox();
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uint32_t m_urlCount = 0;
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QStringList m_urls;
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uint32_t m_filterCount = 0;
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std::vector<Filter> m_filters;
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uint8_t m_nameCollisionPolicy = 0;
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QString m_worldAliasName;
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};
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class PDF3D_U3D_ModifierChainBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF14;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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bool isBoundingSpherePresent() const { return m_modifierChainAttributes & 0x00000001; }
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bool isAxisAlignedBoundingBoxPresent() const { return m_modifierChainAttributes & 0x00000002; }
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bool isNodeModifierChain() const { return m_modifierChainType == 0; }
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bool isModelResourceModifierChain() const { return m_modifierChainType == 1; }
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bool isTextureModifierChain() const { return m_modifierChainType == 2; }
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const QString& getModifierChainName() const;
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uint32_t getModifierChainType() const;
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uint32_t getModifierChainAttributes() const;
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const PDF3D_U3D_BoundingSphere& getBoundingSphere() const;
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const PDF3D_U3D_AxisAlignedBoundingBox& getBoundingBox() const;
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uint32_t getModifierCount() const;
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const std::vector<PDF3D_U3D_AbstractBlockPtr>& getModifierDeclarationBlocks() const;
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private:
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QString m_modifierChainName;
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uint32_t m_modifierChainType = 0;
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uint32_t m_modifierChainAttributes = 0;
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PDF3D_U3D_BoundingSphere m_boundingSphere = PDF3D_U3D_BoundingSphere();
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PDF3D_U3D_AxisAlignedBoundingBox m_boundingBox = PDF3D_U3D_AxisAlignedBoundingBox();
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// Padding 0-3 bytes
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uint32_t m_modifierCount = 0;
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std::vector<PDF3D_U3D_AbstractBlockPtr> m_modifierDeclarationBlocks;
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};
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class PDF3D_U3D_PriorityUpdateBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF15;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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uint32_t getNewPriority() const;
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private:
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uint32_t m_newPriority = 0;
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};
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class PDF3D_U3D_NewObjectTypeBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF16;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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const QString& getNewObjectTypeName() const;
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uint32_t getModifierType() const;
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const QUuid& getExtensionId() const;
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uint32_t getNewDeclarationBlockType() const;
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uint32_t getContinuationBlockTypeCount() const;
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const std::vector<uint32_t>& getContinuationBlockTypes() const;
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const QString& getExtensionVendorName() const;
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uint32_t getUrlCount() const;
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const QStringList& getUrls() const;
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const QString& getExtensionInformationString() const;
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private:
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QString m_newObjectTypeName;
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uint32_t m_modifierType = 0;
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QUuid m_extensionId;
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uint32_t m_newDeclarationBlockType = 0;
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uint32_t m_continuationBlockTypeCount = 0;
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std::vector<uint32_t> m_continuationBlockTypes;
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QString m_extensionVendorName;
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uint32_t m_urlCount = 0;
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QStringList m_urls;
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QString m_extensionInformationString;
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};
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class PDF3D_U3D_NewObjectBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID_MIN = 0x00000100;
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static constexpr uint32_t ID_MAX = 0x00FFFFFF;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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const QString& getObjectName() const;
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uint32_t getChainIndex() const;
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const QByteArray& getData() const;
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private:
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QString m_objectName;
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uint32_t m_chainIndex = 0;
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QByteArray m_data;
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};
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// -------------------------------------------------------------------------------
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// NODE BLOCKS
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// -------------------------------------------------------------------------------
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class PDF3D_U3D_GroupNodeBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF21;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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const QString& getGroupNodeName() const;
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const ParentNodesData& getParentNodesData() const;
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private:
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QString m_groupNodeName;
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ParentNodesData m_parentNodesData;
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};
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class PDF3D_U3D_ModelNodeBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF22;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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bool isHidden() const { return m_modelVisibility == 0; }
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bool isFrontVisible() const { return m_modelVisibility == 1; }
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bool isBackVisible() const { return m_modelVisibility == 2; }
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bool isFrontAndBackVisible() const { return m_modelVisibility == 3; }
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const QString& getModelNodeName() const;
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const ParentNodesData& getParentNodesData() const;
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const QString& getModelResourceName() const;
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uint32_t getModelVisibility() const;
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private:
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QString m_modelNodeName;
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ParentNodesData m_parentNodesData;
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QString m_modelResourceName;
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uint32_t m_modelVisibility;
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};
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class PDF3D_U3D_LightNodeBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF23;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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const QString& getLightNodeName() const;
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const ParentNodesData& getParentNodesData() const;
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const QString& getLightResourceName() const;
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private:
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QString m_lightNodeName;
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ParentNodesData m_parentNodesData;
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QString m_lightResourceName;
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};
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class PDF3D_U3D_ViewNodeBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF24;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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struct BackdropOrOverlay
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{
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QString m_textureName;
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float m_textureBlend = 0.0;
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float m_rotation = 0.0;
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float m_locationX = 0.0;
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float m_locationY = 0.0;
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int32_t m_registrationPointX = 0;
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int32_t m_registrationPointY = 0;
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float m_scaleX = 0.0;
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float m_scaleY = 0.0;
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};
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using BackdropItem = BackdropOrOverlay;
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using OverlayItem = BackdropOrOverlay;
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bool isScreenPositionRelative() const { return m_viewNodeAttributes & 0x00000001; }
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bool isProjectionOrthographic() const { return m_viewNodeAttributes & 0x00000002; }
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bool isProjectionTwoPointPerspective() const { return m_viewNodeAttributes & 0x00000004; }
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bool isProjectionOnePointPerspective() const { return (m_viewNodeAttributes & 0x00000002) && (m_viewNodeAttributes & 0x00000004); }
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bool isProjectionThreePointPerspective() const { return !isProjectionOrthographic() && !isProjectionTwoPointPerspective() && !isProjectionOnePointPerspective(); }
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const QString& getViewNodeName() const;
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const ParentNodesData& getParentNodesData() const;
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const QString& getViewResourceName() const;
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uint32_t getViewNodeAttributes() const;
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float getViewNearFlipping() const;
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float getViewFarFlipping() const;
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float getViewProjection() const;
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float getViewOrthographicHeight() const;
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const PDF3D_U3D_Vec3& getViewProjectionVector() const;
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float getViewPortWidth() const;
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float getViewPortHeight() const;
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float getViewPortHorizontalPosition() const;
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float getViewPortVerticalPosition() const;
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const std::vector<BackdropItem>& getBackdrop() const;
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const std::vector<OverlayItem>& getOverlay() const;
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private:
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QString m_viewNodeName;
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ParentNodesData m_parentNodesData;
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QString m_viewResourceName;
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uint32_t m_viewNodeAttributes = 0;
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float m_viewNearFlipping = 0.0;
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float m_viewFarFlipping = 0.0;
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float m_viewProjection = 0.0;
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float m_viewOrthographicHeight = 0.0;
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PDF3D_U3D_Vec3 m_viewProjectionVector = PDF3D_U3D_Vec3();
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// Viewport
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float m_viewPortWidth = 0.0;
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float m_viewPortHeight = 0.0;
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float m_viewPortHorizontalPosition = 0.0;
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float m_viewPortVerticalPosition = 0.0;
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// Backdrop
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std::vector<BackdropItem> m_backdrop;
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// Overlay
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std::vector<OverlayItem> m_overlay;
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};
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// -------------------------------------------------------------------------------
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// GEOMETRY BLOCKS
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// -------------------------------------------------------------------------------
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class PDF3D_U3D_CLODMeshDeclarationBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF31;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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struct ShadingDescription
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{
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uint32_t shadingAttributes = 0;
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uint32_t textureLayerCount = 0;
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std::vector<uint32_t> textureCoordDimensions;
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uint32_t originalShading = 0;
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};
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struct BoneJoint
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{
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float jointCenterU = 0.0;
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float jointCenterV = 0.0;
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float jointScaleU = 0.0;
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float jointScaleV = 0.0;
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};
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struct BoneDescription
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{
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QString boneName;
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QString parentBoneName;
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uint32_t boneAttributes = 0;
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float boneLength = 0.0;
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PDF3D_U3D_Vec3 boneDisplacement = PDF3D_U3D_Vec3();
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PDF3D_U3D_Vec4 boneOrientation = PDF3D_U3D_Vec4();
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uint32_t boneLinkCount = 0;
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float boneLinkLength = 0.0;
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BoneJoint startJoint = BoneJoint();
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BoneJoint endJoint = BoneJoint();
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PDF3D_U3D_Vec3 rotationConstraintMin = PDF3D_U3D_Vec3();
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PDF3D_U3D_Vec3 rotationConstraintMax = PDF3D_U3D_Vec3();
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bool isLinkPresent() const { return boneAttributes & 0x00000001; }
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bool isJointPresent() const { return boneAttributes & 0x00000002; }
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};
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const QString& getMeshName() const;
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uint32_t getChainIndex() const;
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/* max mesh description */
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uint32_t getMeshAttributes() const;
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uint32_t getFaceCount() const;
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uint32_t getPositionCount() const;
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uint32_t getNormalCount() const;
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uint32_t getDiffuseColorCount() const;
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uint32_t getSpecularColorCount() const;
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uint32_t getTextureColorCount() const;
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uint32_t getShadingCount() const;
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const std::vector<ShadingDescription>& getShadingDescription() const;
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/* clod description */
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uint32_t getMinimumResolution() const;
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uint32_t getFinalResolution() const;
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/* resource description */
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uint32_t getPositionQualityFactor() const;
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uint32_t getNormalQualityFactor() const;
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uint32_t getTextureCoordQualityFactor() const;
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float getPositionInverseQuant() const;
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float getNormalInverseQuant() const;
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float getTextureCoordInverseQuant() const;
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float getDiffuseColorInverseQuant() const;
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float getSpecularColorInverseQuant() const;
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float getNormalCreaseParameter() const;
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float getNormalUpdateParameter() const;
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float getNormalToleranceParameter() const;
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/* bone description */
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uint32_t getBoneCount() const;
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const std::vector<BoneDescription>& getBoneDescription() const;
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private:
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QString m_meshName;
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uint32_t m_chainIndex = 0;
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/* max mesh description */
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uint32_t m_meshAttributes = 0;
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uint32_t m_faceCount = 0;
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uint32_t m_positionCount = 0;
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uint32_t m_normalCount = 0;
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uint32_t m_diffuseColorCount = 0;
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uint32_t m_specularColorCount = 0;
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uint32_t m_textureColorCount = 0;
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uint32_t m_shadingCount = 0;
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std::vector<ShadingDescription> m_shadingDescription;
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/* clod description */
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uint32_t m_minimumResolution = 0;
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uint32_t m_finalResolution = 0;
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/* resource description */
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uint32_t m_positionQualityFactor = 0;
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uint32_t m_normalQualityFactor = 0;
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uint32_t m_textureCoordQualityFactor = 0;
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float m_positionInverseQuant = 0.0;
|
|
float m_normalInverseQuant = 0.0;
|
|
float m_textureCoordInverseQuant = 0.0;
|
|
float m_diffuseColorInverseQuant = 0.0;
|
|
float m_specularColorInverseQuant = 0.0;
|
|
float m_normalCreaseParameter = 0.0;
|
|
float m_normalUpdateParameter = 0.0;
|
|
float m_normalToleranceParameter = 0.0;
|
|
|
|
/* bone description */
|
|
uint32_t m_boneCount = 0;
|
|
std::vector<BoneDescription> m_boneDescription;
|
|
};
|
|
|
|
// -------------------------------------------------------------------------------
|
|
// PDF3D_U3D
|
|
// -------------------------------------------------------------------------------
|
|
|
|
class PDF4QTLIBSHARED_EXPORT PDF3D_U3D
|
|
{
|
|
public:
|
|
PDF3D_U3D();
|
|
|
|
bool isCompressed() const { return m_isCompressed; }
|
|
QTextCodec* getTextCodec() const { return m_textCodec; }
|
|
|
|
static PDF3D_U3D parse(QByteArray data);
|
|
|
|
PDF3D_U3D_AbstractBlockPtr parseBlockWithDeclaration(PDF3D_U3D_DataReader& reader);
|
|
|
|
private:
|
|
PDF3D_U3D_AbstractBlockPtr parseBlock(uint32_t blockType, const QByteArray& data, const QByteArray& metaData);
|
|
static uint32_t getBlockPadding(uint32_t blockSize);
|
|
|
|
struct LoadBlockInfo
|
|
{
|
|
bool success = false;
|
|
uint32_t blockType = 0;
|
|
uint32_t dataSize = 0;
|
|
uint32_t metaDataSize = 0;
|
|
};
|
|
|
|
std::vector<PDF3D_U3D_AbstractBlockPtr> m_blocks;
|
|
std::vector<LoadBlockInfo> m_blockLoadFails;
|
|
const PDF3D_U3D_FileBlock* m_fileBlock = nullptr;
|
|
QTextCodec* m_textCodec = nullptr;
|
|
bool m_isCompressed = true;
|
|
};
|
|
|
|
// -------------------------------------------------------------------------------
|
|
// READER OBJECTS
|
|
// -------------------------------------------------------------------------------
|
|
|
|
class PDF3D_U3D_ContextManager
|
|
{
|
|
public:
|
|
bool isContextCompressed(uint32_t context) const;
|
|
bool isContextStaticAndCompressed(uint32_t context) const;
|
|
|
|
uint32_t getTotalSymbolFrequency(uint32_t context) const;
|
|
uint32_t getSymbolFrequency(uint32_t context, uint32_t symbol) const;
|
|
uint32_t getCumulativeSymbolFrequency(uint32_t context, uint32_t symbol) const;
|
|
uint32_t getSymbolFromFrequency(uint32_t context, uint32_t symbolFrequency) const;
|
|
|
|
void addSymbol(uint32_t context, uint32_t symbol);
|
|
|
|
private:
|
|
struct ContextData
|
|
{
|
|
ContextData()
|
|
{
|
|
symbols= { { 0, Data{ 1, 1} } };
|
|
}
|
|
|
|
struct Data
|
|
{
|
|
uint32_t symbolCount = 0;
|
|
uint32_t cumulativeSymbolCount = 0;
|
|
};
|
|
|
|
std::map<uint32_t, Data> symbols;
|
|
};
|
|
|
|
const ContextData* getContextData(uint32_t context) const;
|
|
|
|
std::map<uint32_t, ContextData> m_contexts;
|
|
};
|
|
|
|
class PDF3D_U3D_Constants
|
|
{
|
|
public:
|
|
static constexpr uint32_t S_NOT_THREE_QUARTER_MASK = 0x00003FFF;
|
|
static constexpr uint32_t S_QUARTER_MASK = 0x00004000;
|
|
static constexpr uint32_t S_NOT_HALF_MASK = 0x00007FFF;
|
|
static constexpr uint32_t S_HALF_MASK = 0x00008000;
|
|
static constexpr uint32_t S_STATIC_FULL = 0x00000400;
|
|
static constexpr uint32_t S_MAX_RANGE = S_STATIC_FULL + 0x00003FFF;
|
|
static constexpr uint32_t S_CONTEXT_8 = 0;
|
|
|
|
static constexpr uint32_t S_MAX_CUMULATIVE_SYMBOL_COUNT = 0x00001fff;
|
|
static constexpr uint32_t S_MAXIMUM_SYMBOL_IN_HISTOGRAM = 0x0000FFFF;
|
|
};
|
|
|
|
class PDF3D_U3D_DataReader
|
|
{
|
|
public:
|
|
PDF3D_U3D_DataReader(QByteArray data, bool isCompressed);
|
|
~PDF3D_U3D_DataReader();
|
|
|
|
void setData(QByteArray data);
|
|
|
|
uint8_t readU8();
|
|
uint16_t readU16();
|
|
uint32_t readU32();
|
|
uint64_t readU64();
|
|
int16_t readI16();
|
|
int32_t readI32();
|
|
float readF32();
|
|
double readF64();
|
|
|
|
uint8_t readCompressedU8(uint32_t context);
|
|
uint16_t readCompressedU16(uint32_t context);
|
|
uint32_t readCompressedU32(uint32_t context);
|
|
|
|
QByteArray readByteArray(uint32_t size);
|
|
QByteArray readRemainingData();
|
|
void skipBytes(uint32_t size);
|
|
void padTo32Bits();
|
|
|
|
QUuid readUuid();
|
|
QString readString(QTextCodec* textCodec);
|
|
QStringList readStringList(uint32_t count, QTextCodec* textCodec);
|
|
|
|
bool isAtEnd() const;
|
|
|
|
template<typename T>
|
|
void readFloats32(T& container)
|
|
{
|
|
for (auto& value : container)
|
|
{
|
|
value = readF32();
|
|
}
|
|
}
|
|
|
|
private:
|
|
uint32_t readSymbol(uint32_t context);
|
|
uint8_t swapBits8(uint8_t source);
|
|
uint32_t readBit();
|
|
uint32_t read15Bits();
|
|
|
|
QByteArray m_data;
|
|
PDF3D_U3D_ContextManager m_contextManager;
|
|
|
|
uint32_t m_high;
|
|
uint32_t m_low;
|
|
uint32_t m_underflow;
|
|
uint32_t m_code;
|
|
uint32_t m_position;
|
|
bool m_isCompressed;
|
|
};
|
|
|
|
} // namespace u3d
|
|
|
|
} // namespace pdf
|
|
|
|
#endif // PDF3D_U3D_H
|