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3D PDF: All file structure blocks for U3D

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Jakub Melka
2022-07-10 18:12:44 +02:00
parent a7a462e3b9
commit 038336b4b3
2 changed files with 412 additions and 27 deletions
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140
Pdf4QtLib/sources/pdf3d_u3d.h
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@ -20,6 +20,7 @@
#include "pdfglobal.h"
#include <QUuid>
#include <QByteArray>
#include <QSharedPointer>
@ -31,6 +32,12 @@ namespace pdf
namespace u3d
{
class PDF3D_U3D;
class PDF3D_U3D_DataReader;
class PDF3D_U3D_AbstractBlock;
using PDF3D_U3D_AbstractBlockPtr = QSharedPointer<PDF3D_U3D_AbstractBlock>;
class PDF3D_U3D_AbstractBlock
{
public:
@ -40,20 +47,22 @@ public:
void parseMetadata(QByteArray metaData);
};
using PDF3D_U3D_AbstractBlockPtr = QSharedPointer<PDF3D_U3D_AbstractBlock>;
// Bounding sphere - x, y, z position and radius
using PDF3D_U3D_BoundingSphere = std::array<float, 4>;
// Bounding box - min (x,y,z), max (x,y,z) - six values
using PDF3D_U3D_AxisAlignedBoundingBox = std::array<float, 4>;
// -------------------------------------------------------------------------------
// FILE STRUCTURE BLOCKS
// -------------------------------------------------------------------------------
class PDF3D_U3D_FileBlock : public PDF3D_U3D_AbstractBlock
{
public:
static constexpr uint32_t ID = 0x00443355;
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, bool isCompressed);
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
bool isExtensibleProfile() const { return m_profileIdentifier & 0x00000002; }
bool isNoCompressionMode() const { return m_profileIdentifier & 0x00000004; }
@ -85,7 +94,7 @@ public:
bool isBoundingSpherePresent() const { return m_fileReferenceAttributes & 0x00000001; }
bool isAxisAlignedBoundingBoxPresent() const { return m_fileReferenceAttributes & 0x00000002; }
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, bool isCompressed, QTextCodec* textCodec);
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
struct Filter
{
@ -118,6 +127,120 @@ private:
QString m_worldAliasName;
};
class PDF3D_U3D_ModifierChainBlock : public PDF3D_U3D_AbstractBlock
{
public:
static constexpr uint32_t ID = 0xFFFFFF14;
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
bool isBoundingSpherePresent() const { return m_modifierChainAttributes & 0x00000001; }
bool isAxisAlignedBoundingBoxPresent() const { return m_modifierChainAttributes & 0x00000002; }
bool isNodeModifierChain() const { return m_modifierChainType == 0; }
bool isModelResourceModifierChain() const { return m_modifierChainType == 1; }
bool isTextureModifierChain() const { return m_modifierChainType == 2; }
const QString& getModifierChainName() const;
uint32_t getModifierChainType() const;
uint32_t getModifierChainAttributes() const;
const PDF3D_U3D_BoundingSphere& getBoundingSphere() const;
const PDF3D_U3D_AxisAlignedBoundingBox& getBoundingBox() const;
uint32_t getModifierCount() const;
const std::vector<PDF3D_U3D_AbstractBlockPtr>& getModifierDeclarationBlocks() const;
private:
QString m_modifierChainName;
uint32_t m_modifierChainType = 0;
uint32_t m_modifierChainAttributes = 0;
PDF3D_U3D_BoundingSphere m_boundingSphere = PDF3D_U3D_BoundingSphere();
PDF3D_U3D_AxisAlignedBoundingBox m_boundingBox = PDF3D_U3D_AxisAlignedBoundingBox();
// Padding 0-3 bytes
uint32_t m_modifierCount = 0;
std::vector<PDF3D_U3D_AbstractBlockPtr> m_modifierDeclarationBlocks;
};
class PDF3D_U3D_PriorityUpdateBlock : public PDF3D_U3D_AbstractBlock
{
public:
static constexpr uint32_t ID = 0xFFFFFF15;
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
uint32_t getNewPriority() const;
private:
uint32_t m_newPriority = 0;
};
class PDF3D_U3D_NewObjectTypeBlock : public PDF3D_U3D_AbstractBlock
{
public:
static constexpr uint32_t ID = 0xFFFFFF16;
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
const QString& getNewObjectTypeName() const;
uint32_t getModifierType() const;
const QUuid& getExtensionId() const;
uint32_t getNewDeclarationBlockType() const;
uint32_t getContinuationBlockTypeCount() const;
const std::vector<uint32_t>& getContinuationBlockTypes() const;
const QString& getExtensionVendorName() const;
uint32_t getUrlCount() const;
const QStringList& getUrls() const;
const QString& getExtensionInformationString() const;
private:
QString m_newObjectTypeName;
uint32_t m_modifierType = 0;
QUuid m_extensionId;
uint32_t m_newDeclarationBlockType = 0;
uint32_t m_continuationBlockTypeCount = 0;
std::vector<uint32_t> m_continuationBlockTypes;
QString m_extensionVendorName;
uint32_t m_urlCount = 0;
QStringList m_urls;
QString m_extensionInformationString;
};
class PDF3D_U3D_NewObjectBlock : public PDF3D_U3D_AbstractBlock
{
public:
static constexpr uint32_t ID_MIN = 0x00000100;
static constexpr uint32_t ID_MAX = 0x00FFFFFF;
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
const QString& getObjectName() const;
uint32_t getChainIndex() const;
const QByteArray& getData() const;
private:
QString m_objectName;
uint32_t m_chainIndex = 0;
QByteArray m_data;
};
// -------------------------------------------------------------------------------
// NODE BLOCKS
// -------------------------------------------------------------------------------
class PDF3D_U3D_NewObjectBlock : public PDF3D_U3D_AbstractBlock
{
public:
static constexpr uint32_t ID = 0xFFFFFF21;
static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
private:
};
// -------------------------------------------------------------------------------
// PDF3D_U3D
// -------------------------------------------------------------------------------
class PDF4QTLIBSHARED_EXPORT PDF3D_U3D
{
public:
@ -128,6 +251,8 @@ public:
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);
@ -138,6 +263,10 @@ private:
bool m_isCompressed = true;
};
// -------------------------------------------------------------------------------
// READER OBJECTS
// -------------------------------------------------------------------------------
class PDF3D_U3D_ContextManager
{
public:
@ -210,8 +339,11 @@ public:
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);