/************************************************************** * * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * *************************************************************/ // MARKER(update_precomp.py): autogen include statement, do not remove #include "precompiled_drawinglayer.hxx" #include #include #include #include #include #include ////////////////////////////////////////////////////////////////////////////// using namespace com::sun::star; ////////////////////////////////////////////////////////////////////////////// namespace drawinglayer { namespace geometry { /** Implementation class for ViewInformation3D */ class ImpViewInformation3D { private: // ViewInformation3D implementation can change refcount, so we have only // two memory regions for pairs of ViewInformation3D/ImpViewInformation3D friend class ::drawinglayer::geometry::ViewInformation3D; // the refcounter. 0 means exclusively used sal_uInt32 mnRefCount; // the 3D transformations // Object to World. This may change and being adapted when entering 3D transformation // groups basegfx::B3DHomMatrix maObjectTransformation; // World to Camera. This includes VRP, VPN and VUV camera coordinate system basegfx::B3DHomMatrix maOrientation; // Camera to Device with X,Y and Z [-1.0 .. 1.0]. This is the // 3D to 2D projection which may be parallell or perspective. When it is perspective, // the last line of the homogen matrix will NOT be unused basegfx::B3DHomMatrix maProjection; // Device to View with X,Y and Z [0.0 .. 1.0]. This converts from -1 to 1 coordinates // in camera coordinate system to 0 to 1 in unit 2D coordinates. This way it stays // view-independent. To get discrete coordinates, the 2D transformation of a scene // as 2D object needs to be involved basegfx::B3DHomMatrix maDeviceToView; // Object to View is the linear combination of all four transformations. It's // buffered to avoid too much matrix multiplying and created on demand basegfx::B3DHomMatrix maObjectToView; // the point in time double mfViewTime; // the complete PropertyValue representation (if already created) uno::Sequence< beans::PropertyValue > mxViewInformation; // the extra PropertyValues; does not contain the transformations uno::Sequence< beans::PropertyValue > mxExtendedInformation; // the local UNO API strings const ::rtl::OUString& getNamePropertyObjectTransformation() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("ObjectTransformation")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyOrientation() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("Orientation")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyProjection() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("Projection")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyProjection_30() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("Projection30")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyProjection_31() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("Projection31")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyProjection_32() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("Projection32")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyProjection_33() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("Projection33")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyDeviceToView() { static ::rtl::OUString s_sNameProperty(RTL_CONSTASCII_USTRINGPARAM("DeviceToView")); return s_sNameProperty; } const ::rtl::OUString& getNamePropertyTime() { static ::rtl::OUString s_sNamePropertyTime(RTL_CONSTASCII_USTRINGPARAM("Time")); return s_sNamePropertyTime; } // a central PropertyValue parsing method to allow transportatin of // all ViewParameters using UNO API void impInterpretPropertyValues(const uno::Sequence< beans::PropertyValue >& rViewParameters) { if(rViewParameters.hasElements()) { const sal_Int32 nCount(rViewParameters.getLength()); sal_Int32 nExtendedInsert(0); // prepare extended information for filtering. Maximum size is nCount mxExtendedInformation.realloc(nCount); for(sal_Int32 a(0); a < nCount; a++) { const beans::PropertyValue& rProp = rViewParameters[a]; if(rProp.Name == getNamePropertyObjectTransformation()) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; rProp.Value >>= aAffineMatrix3D; maObjectTransformation = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D); } else if(rProp.Name == getNamePropertyOrientation()) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; rProp.Value >>= aAffineMatrix3D; maOrientation = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D); } else if(rProp.Name == getNamePropertyProjection()) { // projection may be defined using a frustum in which case the last line of // the 4x4 matrix is not (0,0,0,1). Since AffineMatrix3D does not support that, // these four values need to be treated extra const double f_30(maProjection.get(3, 0)); const double f_31(maProjection.get(3, 1)); const double f_32(maProjection.get(3, 2)); const double f_33(maProjection.get(3, 3)); com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; rProp.Value >>= aAffineMatrix3D; maProjection = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D); maProjection.set(3, 0, f_30); maProjection.set(3, 1, f_31); maProjection.set(3, 2, f_32); maProjection.set(3, 3, f_33); } else if(rProp.Name == getNamePropertyProjection_30()) { double f_30(0.0); rProp.Value >>= f_30; maProjection.set(3, 0, f_30); } else if(rProp.Name == getNamePropertyProjection_31()) { double f_31(0.0); rProp.Value >>= f_31; maProjection.set(3, 1, f_31); } else if(rProp.Name == getNamePropertyProjection_32()) { double f_32(0.0); rProp.Value >>= f_32; maProjection.set(3, 2, f_32); } else if(rProp.Name == getNamePropertyProjection_33()) { double f_33(1.0); rProp.Value >>= f_33; maProjection.set(3, 3, f_33); } else if(rProp.Name == getNamePropertyDeviceToView()) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; rProp.Value >>= aAffineMatrix3D; maDeviceToView = basegfx::unotools::homMatrixFromAffineMatrix3D(aAffineMatrix3D); } else if(rProp.Name == getNamePropertyTime()) { rProp.Value >>= mfViewTime; } else { // extra information; add to filtered information mxExtendedInformation[nExtendedInsert++] = rProp; } } // extra information size is now known; realloc to final size mxExtendedInformation.realloc(nExtendedInsert); } } // central method to create a Sequence of PropertyValues containing he complete // data set void impFillViewInformationFromContent() { uno::Sequence< beans::PropertyValue > xRetval; const bool bObjectTransformationUsed(!maObjectTransformation.isIdentity()); const bool bOrientationUsed(!maOrientation.isIdentity()); const bool bProjectionUsed(!maProjection.isIdentity()); const bool bDeviceToViewUsed(!maDeviceToView.isIdentity()); const bool bTimeUsed(0.0 < mfViewTime); const bool bExtraInformation(mxExtendedInformation.hasElements()); // projection may be defined using a frustum in which case the last line of // the 4x4 matrix is not (0,0,0,1). Since AffineMatrix3D does not support that, // these four values need to be treated extra const bool bProjectionUsed_30(bProjectionUsed && !basegfx::fTools::equalZero(maProjection.get(3, 0))); const bool bProjectionUsed_31(bProjectionUsed && !basegfx::fTools::equalZero(maProjection.get(3, 1))); const bool bProjectionUsed_32(bProjectionUsed && !basegfx::fTools::equalZero(maProjection.get(3, 2))); const bool bProjectionUsed_33(bProjectionUsed && !basegfx::fTools::equal(maProjection.get(3, 3), 1.0)); sal_uInt32 nIndex(0); const sal_uInt32 nCount( (bObjectTransformationUsed ? 1 : 0) + (bOrientationUsed ? 1 : 0) + (bProjectionUsed ? 1 : 0) + (bProjectionUsed_30 ? 1 : 0) + (bProjectionUsed_31 ? 1 : 0) + (bProjectionUsed_32 ? 1 : 0) + (bProjectionUsed_33 ? 1 : 0) + (bDeviceToViewUsed ? 1 : 0) + (bTimeUsed ? 1 : 0) + (bExtraInformation ? mxExtendedInformation.getLength() : 0)); mxViewInformation.realloc(nCount); if(bObjectTransformationUsed) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maObjectTransformation); mxViewInformation[nIndex].Name = getNamePropertyObjectTransformation(); mxViewInformation[nIndex].Value <<= aAffineMatrix3D; nIndex++; } if(bOrientationUsed) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maOrientation); mxViewInformation[nIndex].Name = getNamePropertyOrientation(); mxViewInformation[nIndex].Value <<= aAffineMatrix3D; nIndex++; } if(bProjectionUsed) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maProjection); mxViewInformation[nIndex].Name = getNamePropertyProjection(); mxViewInformation[nIndex].Value <<= aAffineMatrix3D; nIndex++; } if(bProjectionUsed_30) { mxViewInformation[nIndex].Name = getNamePropertyProjection_30(); mxViewInformation[nIndex].Value <<= maProjection.get(3, 0); nIndex++; } if(bProjectionUsed_31) { mxViewInformation[nIndex].Name = getNamePropertyProjection_31(); mxViewInformation[nIndex].Value <<= maProjection.get(3, 1); nIndex++; } if(bProjectionUsed_32) { mxViewInformation[nIndex].Name = getNamePropertyProjection_32(); mxViewInformation[nIndex].Value <<= maProjection.get(3, 2); nIndex++; } if(bProjectionUsed_33) { mxViewInformation[nIndex].Name = getNamePropertyProjection_33(); mxViewInformation[nIndex].Value <<= maProjection.get(3, 3); nIndex++; } if(bDeviceToViewUsed) { com::sun::star::geometry::AffineMatrix3D aAffineMatrix3D; basegfx::unotools::affineMatrixFromHomMatrix3D(aAffineMatrix3D, maDeviceToView); mxViewInformation[nIndex].Name = getNamePropertyDeviceToView(); mxViewInformation[nIndex].Value <<= aAffineMatrix3D; nIndex++; } if(bTimeUsed) { mxViewInformation[nIndex].Name = getNamePropertyTime(); mxViewInformation[nIndex].Value <<= mfViewTime; nIndex++; } if(bExtraInformation) { const sal_Int32 nExtra(mxExtendedInformation.getLength()); for(sal_Int32 a(0); a < nExtra; a++) { mxViewInformation[nIndex++] = mxExtendedInformation[a]; } } } public: ImpViewInformation3D( const basegfx::B3DHomMatrix& rObjectTransformation, const basegfx::B3DHomMatrix& rOrientation, const basegfx::B3DHomMatrix& rProjection, const basegfx::B3DHomMatrix& rDeviceToView, double fViewTime, const uno::Sequence< beans::PropertyValue >& rExtendedParameters) : mnRefCount(0), maObjectTransformation(rObjectTransformation), maOrientation(rOrientation), maProjection(rProjection), maDeviceToView(rDeviceToView), mfViewTime(fViewTime), mxViewInformation(), mxExtendedInformation() { impInterpretPropertyValues(rExtendedParameters); } ImpViewInformation3D(const uno::Sequence< beans::PropertyValue >& rViewParameters) : mnRefCount(0), maObjectTransformation(), maOrientation(), maProjection(), maDeviceToView(), mfViewTime(), mxViewInformation(rViewParameters), mxExtendedInformation() { impInterpretPropertyValues(rViewParameters); } ImpViewInformation3D() : mnRefCount(0), maObjectTransformation(), maOrientation(), maProjection(), maDeviceToView(), mfViewTime(), mxViewInformation(), mxExtendedInformation() { } const basegfx::B3DHomMatrix& getObjectTransformation() const { return maObjectTransformation; } const basegfx::B3DHomMatrix& getOrientation() const { return maOrientation; } const basegfx::B3DHomMatrix& getProjection() const { return maProjection; } const basegfx::B3DHomMatrix& getDeviceToView() const { return maDeviceToView; } double getViewTime() const { return mfViewTime; } const basegfx::B3DHomMatrix& getObjectToView() const { // on demand WorldToView creation ::osl::Mutex m_mutex; if(maObjectToView.isIdentity()) { const_cast< ImpViewInformation3D* >(this)->maObjectToView = maDeviceToView * maProjection * maOrientation * maObjectTransformation; } return maObjectToView; } const uno::Sequence< beans::PropertyValue >& getViewInformationSequence() const { ::osl::Mutex m_mutex; if(!mxViewInformation.hasElements()) { const_cast< ImpViewInformation3D* >(this)->impFillViewInformationFromContent(); } return mxViewInformation; } const uno::Sequence< beans::PropertyValue >& getExtendedInformationSequence() const { return mxExtendedInformation; } bool operator==(const ImpViewInformation3D& rCandidate) const { return (maObjectTransformation == rCandidate.maObjectTransformation && maOrientation == rCandidate.maOrientation && maProjection == rCandidate.maProjection && maDeviceToView == rCandidate.maDeviceToView && mfViewTime == rCandidate.mfViewTime && mxExtendedInformation == rCandidate.mxExtendedInformation); } static ImpViewInformation3D* get_global_default() { static ImpViewInformation3D* pDefault = 0; if(!pDefault) { pDefault = new ImpViewInformation3D(); // never delete; start with RefCount 1, not 0 pDefault->mnRefCount++; } return pDefault; } }; } // end of anonymous namespace } // end of namespace drawinglayer ////////////////////////////////////////////////////////////////////////////// namespace drawinglayer { namespace geometry { ViewInformation3D::ViewInformation3D( const basegfx::B3DHomMatrix& rObjectObjectTransformation, const basegfx::B3DHomMatrix& rOrientation, const basegfx::B3DHomMatrix& rProjection, const basegfx::B3DHomMatrix& rDeviceToView, double fViewTime, const uno::Sequence< beans::PropertyValue >& rExtendedParameters) : mpViewInformation3D(new ImpViewInformation3D( rObjectObjectTransformation, rOrientation, rProjection, rDeviceToView, fViewTime, rExtendedParameters)) { } ViewInformation3D::ViewInformation3D(const uno::Sequence< beans::PropertyValue >& rViewParameters) : mpViewInformation3D(new ImpViewInformation3D(rViewParameters)) { } ViewInformation3D::ViewInformation3D() : mpViewInformation3D(ImpViewInformation3D::get_global_default()) { mpViewInformation3D->mnRefCount++; } ViewInformation3D::ViewInformation3D(const ViewInformation3D& rCandidate) : mpViewInformation3D(rCandidate.mpViewInformation3D) { ::osl::Mutex m_mutex; mpViewInformation3D->mnRefCount++; } ViewInformation3D::~ViewInformation3D() { ::osl::Mutex m_mutex; if(mpViewInformation3D->mnRefCount) { mpViewInformation3D->mnRefCount--; } else { delete mpViewInformation3D; } } bool ViewInformation3D::isDefault() const { return mpViewInformation3D == ImpViewInformation3D::get_global_default(); } ViewInformation3D& ViewInformation3D::operator=(const ViewInformation3D& rCandidate) { ::osl::Mutex m_mutex; if(mpViewInformation3D->mnRefCount) { mpViewInformation3D->mnRefCount--; } else { delete mpViewInformation3D; } mpViewInformation3D = rCandidate.mpViewInformation3D; mpViewInformation3D->mnRefCount++; return *this; } bool ViewInformation3D::operator==(const ViewInformation3D& rCandidate) const { if(rCandidate.mpViewInformation3D == mpViewInformation3D) { return true; } if(rCandidate.isDefault() != isDefault()) { return false; } return (*rCandidate.mpViewInformation3D == *mpViewInformation3D); } const basegfx::B3DHomMatrix& ViewInformation3D::getObjectTransformation() const { return mpViewInformation3D->getObjectTransformation(); } const basegfx::B3DHomMatrix& ViewInformation3D::getOrientation() const { return mpViewInformation3D->getOrientation(); } const basegfx::B3DHomMatrix& ViewInformation3D::getProjection() const { return mpViewInformation3D->getProjection(); } const basegfx::B3DHomMatrix& ViewInformation3D::getDeviceToView() const { return mpViewInformation3D->getDeviceToView(); } const basegfx::B3DHomMatrix& ViewInformation3D::getObjectToView() const { return mpViewInformation3D->getObjectToView(); } double ViewInformation3D::getViewTime() const { return mpViewInformation3D->getViewTime(); } const uno::Sequence< beans::PropertyValue >& ViewInformation3D::getViewInformationSequence() const { return mpViewInformation3D->getViewInformationSequence(); } const uno::Sequence< beans::PropertyValue >& ViewInformation3D::getExtendedInformationSequence() const { return mpViewInformation3D->getExtendedInformationSequence(); } } // end of namespace geometry } // end of namespace drawinglayer ////////////////////////////////////////////////////////////////////////////// // eof