302 lines
12 KiB
C++
302 lines
12 KiB
C++
/*************************************************************************
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: gridprimitive2d.cxx,v $
|
|
*
|
|
* $Revision: 1.1 $
|
|
*
|
|
* last change: $Author: aw $ $Date: 2006-10-19 10:35:02 $
|
|
*
|
|
* The Contents of this file are made available subject to
|
|
* the terms of GNU Lesser General Public License Version 2.1.
|
|
*
|
|
*
|
|
* GNU Lesser General Public License Version 2.1
|
|
* =============================================
|
|
* Copyright 2005 by Sun Microsystems, Inc.
|
|
* 901 San Antonio Road, Palo Alto, CA 94303, USA
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License version 2.1, as published by the Free Software Foundation.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*
|
|
************************************************************************/
|
|
|
|
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_GRIDPRIMITIVE2D_HXX
|
|
#include <drawinglayer/primitive2d/gridprimitive2d.hxx>
|
|
#endif
|
|
|
|
#ifndef _BGFX_TOOLS_CANVASTOOLS_HXX
|
|
#include <basegfx/tools/canvastools.hxx>
|
|
#endif
|
|
|
|
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_MARKERPRIMITIVE2D_HXX
|
|
#include <drawinglayer/primitive2d/markerprimitive2d.hxx>
|
|
#endif
|
|
|
|
#ifndef INCLUDED_DRAWINGLAYER_GEOMETRY_VIEWINFORMATION2D_HXX
|
|
#include <drawinglayer/geometry/viewinformation2d.hxx>
|
|
#endif
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
using namespace com::sun::star;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace drawinglayer
|
|
{
|
|
namespace primitive2d
|
|
{
|
|
Primitive2DSequence GridPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& rViewInformation) const
|
|
{
|
|
std::vector< BasePrimitive2D* > aTempPrimitiveTarget;
|
|
|
|
if(!rViewInformation.getViewport().isEmpty() && getWidth() > 0.0 && getHeight() > 0.0)
|
|
{
|
|
// decompose grid matrix to get logic size
|
|
basegfx::B2DVector aScale, aTranslate;
|
|
double fRotate, fShearX;
|
|
getTransform().decompose(aScale, aTranslate, fRotate, fShearX);
|
|
|
|
// create grid matrix which transforms from scaled logic to view
|
|
basegfx::B2DHomMatrix aRST;
|
|
aRST.rotate(fRotate);
|
|
aRST.shearX(fShearX);
|
|
aRST.translate(aTranslate.getX(), aTranslate.getY());
|
|
aRST *= rViewInformation.getViewTransformation();
|
|
|
|
// get step widths
|
|
double fStepX(getWidth());
|
|
double fStepY(getHeight());
|
|
const double fMinimalStep(10.0);
|
|
|
|
// guarantee a step width of 100.0
|
|
if(basegfx::fTools::less(fStepX, fMinimalStep))
|
|
{
|
|
fStepX = fMinimalStep;
|
|
}
|
|
|
|
if(basegfx::fTools::less(fStepY, fMinimalStep))
|
|
{
|
|
fStepY = fMinimalStep;
|
|
}
|
|
|
|
// get relative distances in view
|
|
double fViewStepX((rViewInformation.getViewTransformation() * basegfx::B2DVector(fStepX, 0.0)).getLength());
|
|
double fViewStepY((rViewInformation.getViewTransformation() * basegfx::B2DVector(0.0, fStepY)).getLength());
|
|
double fSmallStepX(1.0), fViewSmallStepX(1.0), fSmallStepY(1.0), fViewSmallStepY(1.0);
|
|
sal_uInt32 nSmallStepsX(0L), nSmallStepsY(0L);
|
|
|
|
// setup subdivisions
|
|
if(getSubdivisionsX())
|
|
{
|
|
fSmallStepX = fStepX / getSubdivisionsX();
|
|
fViewSmallStepX = fViewStepX / getSubdivisionsX();
|
|
}
|
|
|
|
if(getSubdivisionsY())
|
|
{
|
|
fSmallStepY = fStepY / getSubdivisionsY();
|
|
fViewSmallStepY = fViewStepY / getSubdivisionsY();
|
|
}
|
|
|
|
// correct step width
|
|
while(fViewStepX < getSmallestViewDistance())
|
|
{
|
|
fViewStepX *= 2.0;
|
|
fStepX *= 2.0;
|
|
}
|
|
|
|
while(fViewStepY < getSmallestViewDistance())
|
|
{
|
|
fViewStepY *= 2.0;
|
|
fStepY *= 2.0;
|
|
}
|
|
|
|
// correct small step width
|
|
if(getSubdivisionsX())
|
|
{
|
|
while(fViewSmallStepX < getSmallestSubdivisionViewDistance())
|
|
{
|
|
fViewSmallStepX *= 2.0;
|
|
fSmallStepX *= 2.0;
|
|
}
|
|
|
|
nSmallStepsX = (sal_uInt32)(fStepX / fSmallStepX);
|
|
}
|
|
|
|
if(getSubdivisionsY())
|
|
{
|
|
while(fViewSmallStepY < getSmallestSubdivisionViewDistance())
|
|
{
|
|
fViewSmallStepY *= 2.0;
|
|
fSmallStepY *= 2.0;
|
|
}
|
|
|
|
nSmallStepsY = (sal_uInt32)(fStepY / fSmallStepY);
|
|
}
|
|
|
|
for(double fX(0.0); fX < aScale.getX(); fX += fStepX)
|
|
{
|
|
const bool bXZero(basegfx::fTools::equalZero(fX));
|
|
|
|
for(double fY(0.0); fY < aScale.getY(); fY += fStepY)
|
|
{
|
|
const bool bYZero(basegfx::fTools::equalZero(fY));
|
|
basegfx::B2DPoint aViewPos(aRST * basegfx::B2DPoint(fX, fY));
|
|
|
|
if(rViewInformation.getDiscreteViewport().isInside(aViewPos) && !bXZero && !bYZero)
|
|
{
|
|
const basegfx::B2DPoint aLogicPos(rViewInformation.getInverseViewTransformation() * aViewPos);
|
|
MarkerPrimitive2D* pNew = new MarkerPrimitive2D(aLogicPos, 0.5, 0.5, getBColor(), MARKERSTYLE2D_CROSS);
|
|
aTempPrimitiveTarget.push_back(pNew);
|
|
}
|
|
|
|
if(getSubdivisionsX() && !bYZero)
|
|
{
|
|
double fF(fX + fSmallStepX);
|
|
|
|
for(sal_uInt32 a(0L); a < nSmallStepsX && fF < aScale.getX(); a++, fF += fSmallStepX)
|
|
{
|
|
aViewPos = aRST * basegfx::B2DPoint(fF, fY);
|
|
|
|
if(rViewInformation.getDiscreteViewport().isInside(aViewPos))
|
|
{
|
|
const basegfx::B2DPoint aLogicPos(rViewInformation.getInverseViewTransformation() * aViewPos);
|
|
MarkerPrimitive2D* pNew = new MarkerPrimitive2D(aLogicPos, 0.5, 0.5, getBColor(), MARKERSTYLE2D_POINT);
|
|
aTempPrimitiveTarget.push_back(pNew);
|
|
}
|
|
}
|
|
}
|
|
|
|
if(getSubdivisionsY() && !bXZero)
|
|
{
|
|
double fF(fY + fSmallStepY);
|
|
|
|
for(sal_uInt32 a(0L); a < nSmallStepsY && fF < aScale.getY(); a++, fF += fSmallStepY)
|
|
{
|
|
aViewPos = aRST * basegfx::B2DPoint(fX, fF);
|
|
|
|
if(rViewInformation.getDiscreteViewport().isInside(aViewPos))
|
|
{
|
|
const basegfx::B2DPoint aLogicPos(rViewInformation.getInverseViewTransformation() * aViewPos);
|
|
MarkerPrimitive2D* pNew = new MarkerPrimitive2D(aLogicPos, 0.5, 0.5, getBColor(), MARKERSTYLE2D_POINT);
|
|
aTempPrimitiveTarget.push_back(pNew);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// prepare return value
|
|
Primitive2DSequence aRetval(aTempPrimitiveTarget.size());
|
|
|
|
for(sal_uInt32 a(0L); a < aTempPrimitiveTarget.size(); a++)
|
|
{
|
|
const Primitive2DReference xRef(aTempPrimitiveTarget[a]);
|
|
aRetval[a] = xRef;
|
|
}
|
|
|
|
return aRetval;
|
|
}
|
|
|
|
GridPrimitive2D::GridPrimitive2D(
|
|
const basegfx::B2DHomMatrix& rTransform,
|
|
double fWidth,
|
|
double fHeight,
|
|
double fSmallestViewDistance,
|
|
double fSmallestSubdivisionViewDistance,
|
|
sal_uInt32 nSubdivisionsX,
|
|
sal_uInt32 nSubdivisionsY,
|
|
const basegfx::BColor& rBColor)
|
|
: BasePrimitive2D(),
|
|
maTransform(rTransform),
|
|
mfWidth(fWidth),
|
|
mfHeight(fHeight),
|
|
mfSmallestViewDistance(fSmallestViewDistance),
|
|
mfSmallestSubdivisionViewDistance(fSmallestSubdivisionViewDistance),
|
|
mnSubdivisionsX(nSubdivisionsX),
|
|
mnSubdivisionsY(nSubdivisionsY),
|
|
maBColor(rBColor),
|
|
maLastViewTransformation(),
|
|
maLastViewport()
|
|
{
|
|
}
|
|
|
|
bool GridPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
|
|
{
|
|
if(BasePrimitive2D::operator==(rPrimitive))
|
|
{
|
|
const GridPrimitive2D& rCompare = (GridPrimitive2D&)rPrimitive;
|
|
|
|
return (getTransform() == rCompare.getTransform()
|
|
&& getWidth() == rCompare.getWidth()
|
|
&& getHeight() == rCompare.getHeight()
|
|
&& getSmallestViewDistance() == rCompare.getSmallestViewDistance()
|
|
&& getSmallestSubdivisionViewDistance() == rCompare.getSmallestSubdivisionViewDistance()
|
|
&& getSubdivisionsX() == rCompare.getSubdivisionsX()
|
|
&& getSubdivisionsY() == rCompare.getSubdivisionsY()
|
|
&& getBColor() == rCompare.getBColor());
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
basegfx::B2DRange GridPrimitive2D::getB2DRange(const geometry::ViewInformation2D& rViewInformation) const
|
|
{
|
|
// get object's range
|
|
basegfx::B2DRange aUnitRange(0.0, 0.0, 1.0, 1.0);
|
|
aUnitRange.transform(getTransform());
|
|
|
|
// intersect with visible part
|
|
aUnitRange.intersect(rViewInformation.getViewport());
|
|
|
|
return aUnitRange;
|
|
}
|
|
|
|
sal_uInt32 GridPrimitive2D::getPrimitiveID() const
|
|
{
|
|
return Create2DPrimitiveID('2','G','r','i');
|
|
}
|
|
|
|
Primitive2DSequence GridPrimitive2D::get2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const
|
|
{
|
|
::osl::MutexGuard aGuard( m_aMutex );
|
|
|
|
if(getLocalDecomposition().hasElements())
|
|
{
|
|
if(maLastViewport != rViewInformation.getViewport() || maLastViewTransformation != rViewInformation.getViewTransformation())
|
|
{
|
|
// conditions of last local decomposition have changed, delete
|
|
const_cast< GridPrimitive2D* >(this)->setLocalDecomposition(Primitive2DSequence());
|
|
}
|
|
}
|
|
|
|
if(!getLocalDecomposition().hasElements())
|
|
{
|
|
// remember ViewRange and ViewTransformation
|
|
const_cast< GridPrimitive2D* >(this)->maLastViewTransformation = rViewInformation.getViewTransformation();
|
|
const_cast< GridPrimitive2D* >(this)->maLastViewport = rViewInformation.getViewport();
|
|
}
|
|
|
|
// use parent implementation
|
|
return BasePrimitive2D::get2DDecomposition(rViewInformation);
|
|
}
|
|
} // end of namespace primitive2d
|
|
} // end of namespace drawinglayer
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// eof
|