556 lines
19 KiB
C++
556 lines
19 KiB
C++
/*************************************************************************
|
|
*
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* Copyright 2008 by Sun Microsystems, Inc.
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: gradtrns.cxx,v $
|
|
* $Revision: 1.7.226.1 $
|
|
*
|
|
* This file is part of OpenOffice.org.
|
|
*
|
|
* OpenOffice.org is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License version 3
|
|
* only, as published by the Free Software Foundation.
|
|
*
|
|
* OpenOffice.org 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 version 3 for more details
|
|
* (a copy is included in the LICENSE file that accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* version 3 along with OpenOffice.org. If not, see
|
|
* <http://www.openoffice.org/license.html>
|
|
* for a copy of the LGPLv3 License.
|
|
*
|
|
************************************************************************/
|
|
|
|
// MARKER(update_precomp.py): autogen include statement, do not remove
|
|
#include "precompiled_svx.hxx"
|
|
|
|
#include "gradtrns.hxx"
|
|
#include <svx/svdobj.hxx>
|
|
#include <basegfx/range/b2drange.hxx>
|
|
#include <basegfx/matrix/b2dhommatrix.hxx>
|
|
#include <vcl/salbtype.hxx> // FRound
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
void GradTransformer::GradToVec(GradTransGradient& rG, GradTransVector& rV, const SdrObject* pObj)
|
|
{
|
|
// handle start color
|
|
rV.aCol1 = rG.aGradient.GetStartColor();
|
|
if(100 != rG.aGradient.GetStartIntens())
|
|
{
|
|
const double fFact((double)rG.aGradient.GetStartIntens() / 100.0);
|
|
rV.aCol1 = Color(rV.aCol1.getBColor() * fFact);
|
|
}
|
|
|
|
// handle end color
|
|
rV.aCol2 = rG.aGradient.GetEndColor();
|
|
if(100 != rG.aGradient.GetEndIntens())
|
|
{
|
|
const double fFact((double)rG.aGradient.GetEndIntens() / 100.0);
|
|
rV.aCol2 = Color(rV.aCol2.getBColor() * fFact);
|
|
}
|
|
|
|
// calc the basic positions
|
|
const Rectangle aObjectSnapRectangle(pObj->GetSnapRect());
|
|
const basegfx::B2DRange aRange(aObjectSnapRectangle.Left(), aObjectSnapRectangle.Top(), aObjectSnapRectangle.Right(), aObjectSnapRectangle.Bottom());
|
|
const basegfx::B2DPoint aCenter(aRange.getCenter());
|
|
basegfx::B2DPoint aStartPos, aEndPos;
|
|
|
|
switch(rG.aGradient.GetGradientStyle())
|
|
{
|
|
case XGRAD_LINEAR :
|
|
{
|
|
aStartPos = basegfx::B2DPoint(aCenter.getX(), aRange.getMinY());
|
|
aEndPos = basegfx::B2DPoint(aCenter.getX(), aRange.getMaximum().getY());
|
|
|
|
if(rG.aGradient.GetBorder())
|
|
{
|
|
basegfx::B2DVector aFullVec(aStartPos - aEndPos);
|
|
const double fLen = (aFullVec.getLength() * (100.0 - (double)rG.aGradient.GetBorder())) / 100.0;
|
|
aFullVec.normalize();
|
|
aStartPos = aEndPos + (aFullVec * fLen);
|
|
}
|
|
|
|
if(rG.aGradient.GetAngle())
|
|
{
|
|
const double fAngle = (double)rG.aGradient.GetAngle() * (F_PI180 / 10.0);
|
|
basegfx::B2DHomMatrix aTransformation;
|
|
|
|
aTransformation.translate(-aCenter.getX(), -aCenter.getY());
|
|
aTransformation.rotate(-fAngle);
|
|
aTransformation.translate(aCenter.getX(), aCenter.getY());
|
|
|
|
aStartPos *= aTransformation;
|
|
aEndPos *= aTransformation;
|
|
}
|
|
break;
|
|
}
|
|
case XGRAD_AXIAL :
|
|
{
|
|
aStartPos = aCenter;
|
|
aEndPos = basegfx::B2DPoint(aCenter.getX(), aRange.getMaximum().getY());
|
|
|
|
if(rG.aGradient.GetBorder())
|
|
{
|
|
basegfx::B2DVector aFullVec(aEndPos - aStartPos);
|
|
const double fLen = (aFullVec.getLength() * (100.0 - (double)rG.aGradient.GetBorder())) / 100.0;
|
|
aFullVec.normalize();
|
|
aEndPos = aStartPos + (aFullVec * fLen);
|
|
}
|
|
|
|
if(rG.aGradient.GetAngle())
|
|
{
|
|
const double fAngle = (double)rG.aGradient.GetAngle() * (F_PI180 / 10.0);
|
|
basegfx::B2DHomMatrix aTransformation;
|
|
|
|
aTransformation.translate(-aCenter.getX(), -aCenter.getY());
|
|
aTransformation.rotate(-fAngle);
|
|
aTransformation.translate(aCenter.getX(), aCenter.getY());
|
|
|
|
aStartPos *= aTransformation;
|
|
aEndPos *= aTransformation;
|
|
}
|
|
break;
|
|
}
|
|
case XGRAD_RADIAL :
|
|
case XGRAD_SQUARE :
|
|
{
|
|
aStartPos = basegfx::B2DPoint(aRange.getMinX(), aRange.getMaximum().getY());
|
|
aEndPos = basegfx::B2DPoint(aRange.getMinX(), aRange.getMinY());
|
|
|
|
if(rG.aGradient.GetBorder())
|
|
{
|
|
basegfx::B2DVector aFullVec(aStartPos - aEndPos);
|
|
const double fLen = (aFullVec.getLength() * (100.0 - (double)rG.aGradient.GetBorder())) / 100.0;
|
|
aFullVec.normalize();
|
|
aStartPos = aEndPos + (aFullVec * fLen);
|
|
}
|
|
|
|
if(rG.aGradient.GetAngle())
|
|
{
|
|
const double fAngle = (double)rG.aGradient.GetAngle() * (F_PI180 / 10.0);
|
|
basegfx::B2DHomMatrix aTransformation;
|
|
|
|
aTransformation.translate(-aEndPos.getX(), -aEndPos.getY());
|
|
aTransformation.rotate(-fAngle);
|
|
aTransformation.translate(aEndPos.getX(), aEndPos.getY());
|
|
|
|
aStartPos *= aTransformation;
|
|
aEndPos *= aTransformation;
|
|
}
|
|
|
|
if(rG.aGradient.GetXOffset() || rG.aGradient.GetYOffset())
|
|
{
|
|
basegfx::B2DPoint aOffset(
|
|
(aRange.getWidth() * rG.aGradient.GetXOffset()) / 100.0,
|
|
(aRange.getHeight() * rG.aGradient.GetYOffset()) / 100.0);
|
|
|
|
aStartPos += aOffset;
|
|
aEndPos += aOffset;
|
|
}
|
|
|
|
break;
|
|
}
|
|
case XGRAD_ELLIPTICAL :
|
|
case XGRAD_RECT :
|
|
{
|
|
aStartPos = basegfx::B2DPoint(aRange.getMinX(), aCenter.getY());
|
|
aEndPos = basegfx::B2DPoint(aRange.getMinX(), aRange.getMinY());
|
|
|
|
if(rG.aGradient.GetBorder())
|
|
{
|
|
basegfx::B2DVector aFullVec(aStartPos - aEndPos);
|
|
const double fLen = (aFullVec.getLength() * (100.0 - (double)rG.aGradient.GetBorder())) / 100.0;
|
|
aFullVec.normalize();
|
|
aStartPos = aEndPos + (aFullVec * fLen);
|
|
}
|
|
|
|
if(rG.aGradient.GetAngle())
|
|
{
|
|
const double fAngle = (double)rG.aGradient.GetAngle() * (F_PI180 / 10.0);
|
|
basegfx::B2DHomMatrix aTransformation;
|
|
|
|
aTransformation.translate(-aEndPos.getX(), -aEndPos.getY());
|
|
aTransformation.rotate(-fAngle);
|
|
aTransformation.translate(aEndPos.getX(), aEndPos.getY());
|
|
|
|
aStartPos *= aTransformation;
|
|
aEndPos *= aTransformation;
|
|
}
|
|
|
|
if(rG.aGradient.GetXOffset() || rG.aGradient.GetYOffset())
|
|
{
|
|
basegfx::B2DPoint aOffset(
|
|
(aRange.getWidth() * rG.aGradient.GetXOffset()) / 100.0,
|
|
(aRange.getHeight() * rG.aGradient.GetYOffset()) / 100.0);
|
|
|
|
aStartPos += aOffset;
|
|
aEndPos += aOffset;
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
// set values for vector positions now
|
|
rV.maPositionA = aStartPos;
|
|
rV.maPositionB = aEndPos;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
void GradTransformer::VecToGrad(GradTransVector& rV, GradTransGradient& rG, GradTransGradient& rGOld, const SdrObject* pObj,
|
|
sal_Bool bMoveSingle, sal_Bool bMoveFirst)
|
|
{
|
|
// fill old gradient to new gradient to have a base
|
|
rG = rGOld;
|
|
|
|
// handle color changes
|
|
if(rV.aCol1 != rGOld.aGradient.GetStartColor())
|
|
{
|
|
rG.aGradient.SetStartColor(rV.aCol1);
|
|
rG.aGradient.SetStartIntens(100);
|
|
}
|
|
if(rV.aCol2 != rGOld.aGradient.GetEndColor())
|
|
{
|
|
rG.aGradient.SetEndColor(rV.aCol2);
|
|
rG.aGradient.SetEndIntens(100);
|
|
}
|
|
|
|
// calc the basic positions
|
|
const Rectangle aObjectSnapRectangle(pObj->GetSnapRect());
|
|
const basegfx::B2DRange aRange(aObjectSnapRectangle.Left(), aObjectSnapRectangle.Top(), aObjectSnapRectangle.Right(), aObjectSnapRectangle.Bottom());
|
|
const basegfx::B2DPoint aCenter(aRange.getCenter());
|
|
basegfx::B2DPoint aStartPos(rV.maPositionA);
|
|
basegfx::B2DPoint aEndPos(rV.maPositionB);
|
|
|
|
switch(rG.aGradient.GetGradientStyle())
|
|
{
|
|
case XGRAD_LINEAR :
|
|
{
|
|
if(!bMoveSingle || (bMoveSingle && !bMoveFirst))
|
|
{
|
|
basegfx::B2DVector aFullVec(aEndPos - aStartPos);
|
|
|
|
if(bMoveSingle)
|
|
{
|
|
aFullVec = aEndPos - aCenter;
|
|
}
|
|
|
|
aFullVec.normalize();
|
|
|
|
double fNewFullAngle(atan2(aFullVec.getY(), aFullVec.getX()));
|
|
fNewFullAngle /= F_PI180;
|
|
fNewFullAngle *= -10.0;
|
|
fNewFullAngle += 900.0;
|
|
|
|
// clip
|
|
while(fNewFullAngle < 0.0)
|
|
{
|
|
fNewFullAngle += 3600.0;
|
|
}
|
|
|
|
while(fNewFullAngle >= 3600.0)
|
|
{
|
|
fNewFullAngle -= 3600.0;
|
|
}
|
|
|
|
// to int and set
|
|
sal_Int32 nNewAngle = FRound(fNewFullAngle);
|
|
|
|
if(nNewAngle != rGOld.aGradient.GetAngle())
|
|
{
|
|
rG.aGradient.SetAngle(nNewAngle);
|
|
}
|
|
}
|
|
|
|
if(!bMoveSingle || (bMoveSingle && bMoveFirst))
|
|
{
|
|
const basegfx::B2DVector aFullVec(aEndPos - aStartPos);
|
|
const basegfx::B2DPoint aBottomLeft(aRange.getMinX(), aRange.getMaximum().getY());
|
|
const basegfx::B2DPoint aTopLeft(aRange.getMinX(), aRange.getMinY());
|
|
const basegfx::B2DVector aOldVec(aBottomLeft - aTopLeft);
|
|
const double fFullLen(aFullVec.getLength());
|
|
const double fOldLen(aOldVec.getLength());
|
|
const double fNewBorder((fFullLen * 100.0) / fOldLen);
|
|
sal_Int32 nNewBorder(100L - FRound(fNewBorder));
|
|
|
|
// clip
|
|
if(nNewBorder < 0L)
|
|
{
|
|
nNewBorder = 0L;
|
|
}
|
|
|
|
if(nNewBorder > 100L)
|
|
{
|
|
nNewBorder = 100L;
|
|
}
|
|
|
|
// set
|
|
if(nNewBorder != rG.aGradient.GetBorder())
|
|
{
|
|
rG.aGradient.SetBorder((sal_uInt16)nNewBorder);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case XGRAD_AXIAL :
|
|
{
|
|
if(!bMoveSingle || (bMoveSingle && !bMoveFirst))
|
|
{
|
|
basegfx::B2DVector aFullVec(aEndPos - aCenter);
|
|
const basegfx::B2DVector aOldVec(basegfx::B2DPoint(aCenter.getX(), aRange.getMaximum().getY()) - aCenter);
|
|
const double fFullLen(aFullVec.getLength());
|
|
const double fOldLen(aOldVec.getLength());
|
|
const double fNewBorder((fFullLen * 100.0) / fOldLen);
|
|
sal_Int32 nNewBorder = 100 - FRound(fNewBorder);
|
|
|
|
// clip
|
|
if(nNewBorder < 0L)
|
|
{
|
|
nNewBorder = 0L;
|
|
}
|
|
|
|
if(nNewBorder > 100L)
|
|
{
|
|
nNewBorder = 100L;
|
|
}
|
|
|
|
// set
|
|
if(nNewBorder != rG.aGradient.GetBorder())
|
|
{
|
|
rG.aGradient.SetBorder((sal_uInt16)nNewBorder);
|
|
}
|
|
|
|
aFullVec.normalize();
|
|
double fNewFullAngle(atan2(aFullVec.getY(), aFullVec.getX()));
|
|
fNewFullAngle /= F_PI180;
|
|
fNewFullAngle *= -10.0;
|
|
fNewFullAngle += 900.0;
|
|
|
|
// clip
|
|
while(fNewFullAngle < 0.0)
|
|
{
|
|
fNewFullAngle += 3600.0;
|
|
}
|
|
|
|
while(fNewFullAngle >= 3600.0)
|
|
{
|
|
fNewFullAngle -= 3600.0;
|
|
}
|
|
|
|
// to int and set
|
|
const sal_Int32 nNewAngle(FRound(fNewFullAngle));
|
|
|
|
if(nNewAngle != rGOld.aGradient.GetAngle())
|
|
{
|
|
rG.aGradient.SetAngle(nNewAngle);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case XGRAD_RADIAL :
|
|
case XGRAD_SQUARE :
|
|
{
|
|
if(!bMoveSingle || (bMoveSingle && !bMoveFirst))
|
|
{
|
|
const basegfx::B2DPoint aTopLeft(aRange.getMinX(), aRange.getMinY());
|
|
const basegfx::B2DPoint aOffset(aEndPos - aTopLeft);
|
|
sal_Int32 nNewXOffset(FRound((aOffset.getX() * 100.0) / aRange.getWidth()));
|
|
sal_Int32 nNewYOffset(FRound((aOffset.getY() * 100.0) / aRange.getHeight()));
|
|
|
|
// clip
|
|
if(nNewXOffset < 0L)
|
|
{
|
|
nNewXOffset = 0L;
|
|
}
|
|
|
|
if(nNewXOffset > 100L)
|
|
{
|
|
nNewXOffset = 100L;
|
|
}
|
|
|
|
if(nNewYOffset < 0L)
|
|
{
|
|
nNewYOffset = 0L;
|
|
}
|
|
|
|
if(nNewYOffset > 100L)
|
|
{
|
|
nNewYOffset = 100L;
|
|
}
|
|
|
|
rG.aGradient.SetXOffset((sal_uInt16)nNewXOffset);
|
|
rG.aGradient.SetYOffset((sal_uInt16)nNewYOffset);
|
|
|
|
aStartPos -= aOffset;
|
|
aEndPos -= aOffset;
|
|
}
|
|
|
|
if(!bMoveSingle || (bMoveSingle && bMoveFirst))
|
|
{
|
|
basegfx::B2DVector aFullVec(aStartPos - aEndPos);
|
|
const basegfx::B2DPoint aBottomLeft(aRange.getMinX(), aRange.getMaximum().getY());
|
|
const basegfx::B2DPoint aTopLeft(aRange.getMinX(), aRange.getMinY());
|
|
const basegfx::B2DVector aOldVec(aBottomLeft - aTopLeft);
|
|
const double fFullLen(aFullVec.getLength());
|
|
const double fOldLen(aOldVec.getLength());
|
|
const double fNewBorder((fFullLen * 100.0) / fOldLen);
|
|
sal_Int32 nNewBorder(100L - FRound(fNewBorder));
|
|
|
|
// clip
|
|
if(nNewBorder < 0L)
|
|
{
|
|
nNewBorder = 0L;
|
|
}
|
|
|
|
if(nNewBorder > 100L)
|
|
{
|
|
nNewBorder = 100L;
|
|
}
|
|
|
|
// set
|
|
if(nNewBorder != rG.aGradient.GetBorder())
|
|
{
|
|
rG.aGradient.SetBorder((sal_uInt16)nNewBorder);
|
|
}
|
|
|
|
// angle is not definitely necessary for these modes, but it makes
|
|
// controlling more fun for the user
|
|
aFullVec.normalize();
|
|
double fNewFullAngle(atan2(aFullVec.getY(), aFullVec.getX()));
|
|
fNewFullAngle /= F_PI180;
|
|
fNewFullAngle *= -10.0;
|
|
fNewFullAngle += 900.0;
|
|
|
|
// clip
|
|
while(fNewFullAngle < 0.0)
|
|
{
|
|
fNewFullAngle += 3600.0;
|
|
}
|
|
|
|
while(fNewFullAngle >= 3600.0)
|
|
{
|
|
fNewFullAngle -= 3600.0;
|
|
}
|
|
|
|
// to int and set
|
|
const sal_Int32 nNewAngle(FRound(fNewFullAngle));
|
|
|
|
if(nNewAngle != rGOld.aGradient.GetAngle())
|
|
{
|
|
rG.aGradient.SetAngle(nNewAngle);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
case XGRAD_ELLIPTICAL :
|
|
case XGRAD_RECT :
|
|
{
|
|
if(!bMoveSingle || (bMoveSingle && !bMoveFirst))
|
|
{
|
|
const basegfx::B2DPoint aTopLeft(aRange.getMinX(), aRange.getMinY());
|
|
const basegfx::B2DPoint aOffset(aEndPos - aTopLeft);
|
|
sal_Int32 nNewXOffset(FRound((aOffset.getX() * 100.0) / aRange.getWidth()));
|
|
sal_Int32 nNewYOffset(FRound((aOffset.getY() * 100.0) / aRange.getHeight()));
|
|
|
|
// clip
|
|
if(nNewXOffset < 0L)
|
|
{
|
|
nNewXOffset = 0L;
|
|
}
|
|
|
|
if(nNewXOffset > 100L)
|
|
{
|
|
nNewXOffset = 100L;
|
|
}
|
|
|
|
if(nNewYOffset < 0L)
|
|
{
|
|
nNewYOffset = 0L;
|
|
}
|
|
|
|
if(nNewYOffset > 100L)
|
|
{
|
|
nNewYOffset = 100L;
|
|
}
|
|
|
|
rG.aGradient.SetXOffset((sal_uInt16)nNewXOffset);
|
|
rG.aGradient.SetYOffset((sal_uInt16)nNewYOffset);
|
|
|
|
aStartPos -= aOffset;
|
|
aEndPos -= aOffset;
|
|
}
|
|
|
|
if(!bMoveSingle || (bMoveSingle && bMoveFirst))
|
|
{
|
|
basegfx::B2DVector aFullVec(aStartPos - aEndPos);
|
|
const basegfx::B2DPoint aTopLeft(aRange.getMinX(), aRange.getMinY());
|
|
const basegfx::B2DPoint aCenterLeft(aRange.getMinX(), aRange.getHeight());
|
|
const basegfx::B2DVector aOldVec(aCenterLeft - aTopLeft);
|
|
const double fFullLen(aFullVec.getLength());
|
|
const double fOldLen(aOldVec.getLength());
|
|
const double fNewBorder((fFullLen * 100.0) / fOldLen);
|
|
sal_Int32 nNewBorder(100L - FRound(fNewBorder));
|
|
|
|
// clip
|
|
if(nNewBorder < 0L)
|
|
{
|
|
nNewBorder = 0L;
|
|
}
|
|
|
|
if(nNewBorder > 100L)
|
|
{
|
|
nNewBorder = 100L;
|
|
}
|
|
|
|
// set
|
|
if(nNewBorder != rG.aGradient.GetBorder())
|
|
{
|
|
rG.aGradient.SetBorder((sal_uInt16)nNewBorder);
|
|
}
|
|
|
|
// angle is not definitely necessary for these modes, but it makes
|
|
// controlling more fun for the user
|
|
aFullVec.normalize();
|
|
double fNewFullAngle(atan2(aFullVec.getY(), aFullVec.getX()));
|
|
fNewFullAngle /= F_PI180;
|
|
fNewFullAngle *= -10.0;
|
|
fNewFullAngle += 900.0;
|
|
|
|
// clip
|
|
while(fNewFullAngle < 0.0)
|
|
{
|
|
fNewFullAngle += 3600.0;
|
|
}
|
|
|
|
while(fNewFullAngle >= 3600.0)
|
|
{
|
|
fNewFullAngle -= 3600.0;
|
|
}
|
|
|
|
// to int and set
|
|
const sal_Int32 nNewAngle(FRound(fNewFullAngle));
|
|
|
|
if(nNewAngle != rGOld.aGradient.GetAngle())
|
|
{
|
|
rG.aGradient.SetAngle(nNewAngle);
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// eof
|