203 lines
8.4 KiB
C++
203 lines
8.4 KiB
C++
/*************************************************************************
|
|
*
|
|
* OpenOffice.org - a multi-platform office productivity suite
|
|
*
|
|
* $RCSfile: fillgradientprimitive2d.cxx,v $
|
|
*
|
|
* $Revision: 1.6 $
|
|
*
|
|
* last change: $Author: aw $ $Date: 2008-05-27 14:11:20 $
|
|
*
|
|
* 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
|
|
*
|
|
************************************************************************/
|
|
|
|
// MARKER(update_precomp.py): autogen include statement, do not remove
|
|
#include "precompiled_drawinglayer.hxx"
|
|
|
|
#include <drawinglayer/primitive2d/fillgradientprimitive2d.hxx>
|
|
#include <basegfx/polygon/b2dpolygon.hxx>
|
|
#include <basegfx/polygon/b2dpolygontools.hxx>
|
|
#include <drawinglayer/texture/texture.hxx>
|
|
#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
|
|
#include <basegfx/tools/canvastools.hxx>
|
|
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
using namespace com::sun::star;
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace drawinglayer
|
|
{
|
|
namespace primitive2d
|
|
{
|
|
Primitive2DSequence FillGradientPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
|
|
{
|
|
const attribute::GradientStyle aGradientStyle(maFillGradient.getStyle());
|
|
::std::vector< basegfx::B2DHomMatrix > aMatrices;
|
|
::std::vector< basegfx::BColor > aColors;
|
|
basegfx::B2DPolygon aUnitPolygon;
|
|
sal_uInt32 nSteps(maFillGradient.getSteps());
|
|
|
|
if(attribute::GRADIENTSTYLE_RADIAL == aGradientStyle || attribute::GRADIENTSTYLE_ELLIPTICAL == aGradientStyle)
|
|
{
|
|
const basegfx::B2DPoint aCircleCenter(0.5, 0.5);
|
|
aUnitPolygon = basegfx::tools::createPolygonFromEllipse(aCircleCenter, 0.5, 0.5);
|
|
}
|
|
else
|
|
{
|
|
aUnitPolygon = basegfx::tools::createPolygonFromRect(basegfx::B2DRange(0.0, 0.0, 1.0, 1.0));
|
|
}
|
|
|
|
// make sure steps is not too high/low
|
|
const basegfx::BColor aStart(maFillGradient.getStartColor());
|
|
const basegfx::BColor aEnd(maFillGradient.getEndColor());
|
|
const sal_uInt32 nMaxSteps(sal_uInt32((aStart.getMaximumDistance(aEnd) * 127.5) + 0.5));
|
|
|
|
if(nSteps == 0L)
|
|
{
|
|
nSteps = nMaxSteps;
|
|
}
|
|
|
|
if(nSteps < 2L)
|
|
{
|
|
nSteps = 2L;
|
|
}
|
|
|
|
if(nSteps > nMaxSteps)
|
|
{
|
|
nSteps = nMaxSteps;
|
|
}
|
|
|
|
switch(aGradientStyle)
|
|
{
|
|
case attribute::GRADIENTSTYLE_LINEAR:
|
|
{
|
|
texture::GeoTexSvxGradientLinear aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), -maFillGradient.getAngle());
|
|
aGradient.appendTransformations(aMatrices);
|
|
aGradient.appendColors(aColors);
|
|
break;
|
|
}
|
|
case attribute::GRADIENTSTYLE_AXIAL:
|
|
{
|
|
texture::GeoTexSvxGradientAxial aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), -maFillGradient.getAngle());
|
|
aGradient.appendTransformations(aMatrices);
|
|
aGradient.appendColors(aColors);
|
|
break;
|
|
}
|
|
case attribute::GRADIENTSTYLE_RADIAL:
|
|
{
|
|
texture::GeoTexSvxGradientRadial aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY());
|
|
aGradient.appendTransformations(aMatrices);
|
|
aGradient.appendColors(aColors);
|
|
break;
|
|
}
|
|
case attribute::GRADIENTSTYLE_ELLIPTICAL:
|
|
{
|
|
texture::GeoTexSvxGradientElliptical aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle());
|
|
aGradient.appendTransformations(aMatrices);
|
|
aGradient.appendColors(aColors);
|
|
break;
|
|
}
|
|
case attribute::GRADIENTSTYLE_SQUARE:
|
|
{
|
|
texture::GeoTexSvxGradientSquare aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle());
|
|
aGradient.appendTransformations(aMatrices);
|
|
aGradient.appendColors(aColors);
|
|
break;
|
|
}
|
|
case attribute::GRADIENTSTYLE_RECT:
|
|
{
|
|
texture::GeoTexSvxGradientRect aGradient(getObjectRange(), aStart, aEnd, nSteps, maFillGradient.getBorder(), maFillGradient.getOffsetX(), maFillGradient.getOffsetY(), -maFillGradient.getAngle());
|
|
aGradient.appendTransformations(aMatrices);
|
|
aGradient.appendColors(aColors);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// prepare return value
|
|
Primitive2DSequence aRetval(aColors.size() ? aMatrices.size() + 1L : aMatrices.size());
|
|
|
|
// create solid fill with start color
|
|
if(aColors.size())
|
|
{
|
|
// create primitive
|
|
const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(basegfx::tools::createPolygonFromRect(getObjectRange())), aColors[0L]));
|
|
aRetval[0L] = xRef;
|
|
}
|
|
|
|
// create solid fill steps
|
|
for(sal_uInt32 a(0L); a < aMatrices.size(); a++)
|
|
{
|
|
// create part polygon
|
|
basegfx::B2DPolygon aNewPoly(aUnitPolygon);
|
|
aNewPoly.transform(aMatrices[a]);
|
|
|
|
// create solid fill
|
|
const Primitive2DReference xRef(new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aNewPoly), aColors[a + 1L]));
|
|
aRetval[a + 1L] = xRef;
|
|
}
|
|
|
|
return aRetval;
|
|
}
|
|
|
|
FillGradientPrimitive2D::FillGradientPrimitive2D(
|
|
const basegfx::B2DRange& rObjectRange,
|
|
const attribute::FillGradientAttribute& rFillGradient)
|
|
: BasePrimitive2D(),
|
|
maObjectRange(rObjectRange),
|
|
maFillGradient(rFillGradient)
|
|
{
|
|
}
|
|
|
|
bool FillGradientPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
|
|
{
|
|
if(BasePrimitive2D::operator==(rPrimitive))
|
|
{
|
|
const FillGradientPrimitive2D& rCompare = (FillGradientPrimitive2D&)rPrimitive;
|
|
|
|
return (getObjectRange() == rCompare.getObjectRange()
|
|
&& maFillGradient == rCompare.maFillGradient);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
basegfx::B2DRange FillGradientPrimitive2D::getB2DRange(const geometry::ViewInformation2D& /*rViewInformation*/) const
|
|
{
|
|
// return ObjectRange
|
|
return getObjectRange();
|
|
}
|
|
|
|
// provide unique ID
|
|
ImplPrimitrive2DIDBlock(FillGradientPrimitive2D, PRIMITIVE2D_ID_FILLGRADIENTPRIMITIVE2D)
|
|
|
|
} // end of namespace primitive2d
|
|
} // end of namespace drawinglayer
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
// eof
|