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https://github.com/JakubMelka/PDF4QT.git
synced 2025-06-05 21:59:17 +02:00
3D PDF: Point sets and line sets
This commit is contained in:
Jakub Melka
@ -44,6 +44,34 @@ 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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struct PDF3D_U3D_QuantizedVec4
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{
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uint8_t signBits;
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uint32_t diff1;
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uint32_t diff2;
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uint32_t diff3;
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uint32_t diff4;
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};
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struct PDF3D_U3D_QuantizedVec3
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{
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uint8_t signBits;
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uint32_t diff1;
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uint32_t diff2;
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uint32_t diff3;
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};
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struct PDF3D_U3D_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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bool hasDiffuseColors() const { return shadingAttributes & 0x00000001; }
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bool hasSpecularColors() const { return shadingAttributes & 0x00000002; }
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};
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class PDF3D_U3D_AbstractBlock
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{
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public:
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@ -389,17 +417,6 @@ public:
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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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bool hasDiffuseColors() const { return shadingAttributes & 0x00000001; }
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bool hasSpecularColors() const { return shadingAttributes & 0x00000002; }
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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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@ -427,6 +444,7 @@ public:
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bool isJointPresent() const { return boneAttributes & 0x00000002; }
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};
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const QString& getName() const { return getMeshName(); }
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const QString& getMeshName() const;
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uint32_t getChainIndex() const;
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@ -441,8 +459,8 @@ public:
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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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const ShadingDescription* getShadingDescriptionItem(uint32_t index) const { return index < m_shadingDescription.size() ? &m_shadingDescription[index] : nullptr; }
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const std::vector<PDF3D_U3D_ShadingDescription>& getShadingDescription() const;
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const PDF3D_U3D_ShadingDescription* getShadingDescriptionItem(uint32_t index) const { return index < m_shadingDescription.size() ? &m_shadingDescription[index] : nullptr; }
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/* clod description */
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uint32_t getMinimumResolution() const;
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@ -477,8 +495,7 @@ private:
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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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std::vector<PDF3D_U3D_ShadingDescription> m_shadingDescription;
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/* clod description */
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uint32_t m_minimumResolution = 0;
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@ -527,6 +544,20 @@ public:
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const QString& getMeshName() const;
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uint32_t getChainIndex() 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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const std::vector<PDF3D_U3D_Vec3>& getBasePositions() const;
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const std::vector<PDF3D_U3D_Vec3>& getBaseNormals() const;
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const std::vector<PDF3D_U3D_Vec4>& getBaseDiffuseColors() const;
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const std::vector<PDF3D_U3D_Vec4>& getBaseSpecularColors() const;
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const std::vector<PDF3D_U3D_Vec4>& getBaseTextureCoords() const;
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const std::vector<BaseFace>& getBaseFaces() const;
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private:
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enum Context
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{
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@ -552,6 +583,203 @@ private:
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std::vector<BaseFace> m_baseFaces;
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};
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class PDF3D_U3D_CLODProgressiveMeshContinuationBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF3C;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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struct NewFacePositionInfo
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{
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uint32_t shadingId = 0;
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uint8_t faceOrientation = 0;
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uint8_t thirdPositionType = 0;
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uint32_t localThirdPositionIndex = 0;
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uint32_t globalThirdPositionIndex = 0;
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};
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struct ResolutionUpdate
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{
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uint32_t splitPositionIndex = 0;
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std::vector<PDF3D_U3D_QuantizedVec4> newDiffuseColors;
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std::vector<PDF3D_U3D_QuantizedVec4> newSpecularColors;
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std::vector<PDF3D_U3D_QuantizedVec4> newTextureCoords;
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std::vector<NewFacePositionInfo> newFaces;
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};
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private:
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enum Context
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{
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cZero = 1,
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cDiffuseCount,
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cDiffuseColorSign,
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cColorDiffR,
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cColorDiffG,
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cColorDiffB,
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cColorDiffA,
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cSpecularCount,
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cSpecularColorSign,
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cTexCoordCount,
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cTexCoordSign,
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cTexCDiffU,
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cTexCDiffV,
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cTexCDiffS,
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cTexCDiffT,
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cFaceCnt,
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cShading,
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cFaceOrnt,
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cLocal3rdPos,
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cThrdPosType
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};
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QString m_meshName;
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uint32_t m_chainIndex = 0;
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uint32_t m_startResolution = 0;
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uint32_t m_endResolution = 0;
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uint32_t m_resolutionUpdateCount = 0;
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std::vector<ResolutionUpdate> m_resolutionUpdates;
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};
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class PDF3D_U3D_LineSetDeclarationBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF37;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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const QString& getName() const { return m_lineSetName; }
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uint32_t getLineCount() 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 getTextureCoordCount() const;
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const std::vector<PDF3D_U3D_ShadingDescription>& getShadingDescriptions() const;
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const PDF3D_U3D_ShadingDescription* getShadingDescriptionItem(uint32_t index) const { return index < m_shadingDescriptions.size() ? &m_shadingDescriptions[index] : nullptr; }
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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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private:
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QString m_lineSetName;
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uint32_t m_chainIndex = 0;
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/* line set description */
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uint32_t m_lineSetReserved = 0;
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uint32_t m_lineCount = 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_textureCoordCount = 0;
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std::vector<PDF3D_U3D_ShadingDescription> m_shadingDescriptions;
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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;
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float m_normalInverseQuant = 0.0;
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float m_textureCoordInverseQuant = 0.0;
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float m_diffuseColorInverseQuant = 0.0;
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float m_specularColorInverseQuant = 0.0;
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float m_reserved1 = 0.0;
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float m_reserved2 = 0.0;
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float m_reserved3 = 0.0;
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};
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class PDF3D_U3D_LineSetContinuationBlock : public PDF3D_U3D_AbstractBlock
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{
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public:
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static constexpr uint32_t ID = 0xFFFFFF3F;
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static PDF3D_U3D_AbstractBlockPtr parse(QByteArray data, QByteArray metaData, PDF3D_U3D* object);
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struct NewLineEndingInfo
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{
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uint32_t normalLocalIndex = 0;
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bool duplicateDiffuse = false;
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bool duplicateSpecular = false;
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PDF3D_U3D_QuantizedVec4 diffuseColor = PDF3D_U3D_QuantizedVec4();
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PDF3D_U3D_QuantizedVec4 specularColor = PDF3D_U3D_QuantizedVec4();
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std::vector<std::pair<bool, PDF3D_U3D_QuantizedVec4>> textureCoords;
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};
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struct NewLineInfo
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{
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uint32_t shadingId = 0;
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uint32_t firstPositionIndex = 0;
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NewLineEndingInfo p1;
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NewLineEndingInfo p2;
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};
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struct UpdateItem
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{
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uint32_t splitPositionIndex = 0;
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PDF3D_U3D_QuantizedVec3 newPositionInfo;
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std::vector<PDF3D_U3D_QuantizedVec3> newNormals;
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std::vector<NewLineInfo> newLines;
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};
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const QString& getName() const { return m_lineSetName; }
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const std::vector<UpdateItem>& updateItems() const;
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private:
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enum Context
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{
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cPosDiffSign = 1,
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cPosDiffX,
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cPosDiffY,
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cPosDiffZ,
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cNormlCnt,
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cDiffNormalSign,
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cDiffNormalX,
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cDiffNormalY,
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cDiffNormalZ,
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cLineCnt,
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cShading,
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cNormlIdx,
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cDiffDup,
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cDiffuseColorSign,
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cColorDiffR,
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cColorDiffG,
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cColorDiffB,
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cColorDiffA,
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cSpecDup,
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cSpecularColorSign,
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cTexCDup,
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cTexCoordSign,
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cTexCDiffU,
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cTexCDiffV,
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cTexCDiffS,
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cTexCDiffT
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};
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QString m_lineSetName;
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uint32_t m_chainIndex = 0;
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uint32_t m_startResolution = 0;
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uint32_t m_endResolution = 0;
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std::vector<UpdateItem> m_updateItems;
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};
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// -------------------------------------------------------------------------------
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// PDF3D_U3D
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// -------------------------------------------------------------------------------
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@ -567,6 +795,10 @@ public:
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static PDF3D_U3D parse(QByteArray data);
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const PDF3D_U3D_CLODMeshDeclarationBlock* getCLODMeshDeclarationBlock(const QString& meshName) const;
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const PDF3D_U3D_LineSetDeclarationBlock* getLineSetDeclarationBlock(const QString& lineSetName) const;
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template<typename T>
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const T* getBlock(const QString& name) const;
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PDF3D_U3D_AbstractBlockPtr parseBlockWithDeclaration(PDF3D_U3D_DataReader& reader);
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@ -581,10 +813,11 @@ private:
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uint32_t blockType = 0;
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uint32_t dataSize = 0;
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uint32_t metaDataSize = 0;
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PDF3D_U3D_AbstractBlockPtr block;
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};
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std::vector<PDF3D_U3D_AbstractBlockPtr> m_blocks;
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std::vector<LoadBlockInfo> m_blockLoadFails;
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std::vector<LoadBlockInfo> m_allBlocks;
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const PDF3D_U3D_FileBlock* m_fileBlock = nullptr;
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QTextCodec* m_textCodec = nullptr;
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bool m_isCompressed = true;
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@ -677,6 +910,19 @@ public:
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QString readString(QTextCodec* textCodec);
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QStringList readStringList(uint32_t count, QTextCodec* textCodec);
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PDF3D_U3D_QuantizedVec4 readQuantizedVec4(uint32_t contextSign,
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uint32_t context1,
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uint32_t context2,
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uint32_t context3,
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uint32_t context4);
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PDF3D_U3D_QuantizedVec3 readQuantizedVec3(uint32_t contextSign,
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uint32_t context1,
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uint32_t context2,
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uint32_t context3);
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std::vector<PDF3D_U3D_ShadingDescription> readShadingDescriptions(uint32_t count);
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bool isAtEnd() const;
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template<typename T>
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