office-gobmx/drawinglayer/source/geometry/viewinformation3d.cxx
Sebastian Spaeth 8694d2bc19 Add vim/emacs modelines to all source files
Fixes #fdo30794
Based on bin/add-modelines script (originally posted in mail
1286706307.1871.1399280959@webmail.messagingengine.com)

Signed-off-by: Sebastian Spaeth <Sebastian@SSpaeth.de>
2010-10-13 10:57:58 +02:00

602 lines
25 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_drawinglayer.hxx"
#include <drawinglayer/geometry/viewinformation3d.hxx>
#include <basegfx/range/b3drange.hxx>
#include <basegfx/matrix/b3dhommatrix.hxx>
#include <com/sun/star/geometry/AffineMatrix3D.hpp>
#include <com/sun/star/geometry/RealRectangle3D.hpp>
#include <basegfx/tools/canvastools.hxx>
//////////////////////////////////////////////////////////////////////////////
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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */