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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: sdrfillbitmapattribute.cxx,v $
*
* $Revision: 1.3 $
*
* last change: $Author: aw $ $Date: 2008-03-05 09:15:41 $
*
* 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"
#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_SDRFILLBITMAPATTRIBUTE_HXX
#include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_FILLBITMAPATTRIBUTE_HXX
#include <drawinglayer/attribute/fillbitmapattribute.hxx>
#endif
#ifndef _BGFX_NUMERIC_FTOOLS_HXX
#include <basegfx/numeric/ftools.hxx>
#endif
#ifndef _BGFX_RANGE_B2DRANGE_HXX
#include <basegfx/range/b2drange.hxx>
#endif
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace attribute
{
SdrFillBitmapAttribute::SdrFillBitmapAttribute(
const Bitmap& rBitmap, const basegfx::B2DVector& rSize, const basegfx::B2DVector& rOffset,
const basegfx::B2DVector& rOffsetPosition, const basegfx::B2DVector& rRectPoint,
bool bTiling, bool bStretch, bool bLogSize)
: maBitmap(rBitmap),
maSize(rSize),
maOffset(rOffset),
maOffsetPosition(rOffsetPosition),
maRectPoint(rRectPoint),
mbTiling(bTiling),
mbStretch(bStretch),
mbLogSize(bLogSize)
{
}
bool SdrFillBitmapAttribute::operator==(const SdrFillBitmapAttribute& rCandidate) const
{
return (maBitmap == rCandidate.maBitmap
&& maSize == rCandidate.maSize
&& maOffset == rCandidate.maOffset
&& maOffsetPosition == rCandidate.maOffsetPosition
&& maRectPoint == rCandidate.maRectPoint
&& mbTiling == rCandidate.mbTiling
&& mbStretch == rCandidate.mbStretch
&& mbLogSize == rCandidate.mbLogSize);
}
FillBitmapAttribute SdrFillBitmapAttribute::getFillBitmapAttribute(const basegfx::B2DRange& rRange) const
{
// get logical size of bitmap (before expanding eventually)
Bitmap aBitmap(maBitmap);
const basegfx::B2DVector aLogicalSize(aBitmap.GetPrefSize().getWidth(), aBitmap.GetPrefSize().getHeight());
// get hor/ver shiftings and apply them eventually to the bitmap, but only
// when tiling is on
bool bExpandWidth(false);
bool bExpandHeight(false);
if(mbTiling)
{
if(0.0 != maOffset.getX() || 0.0 != maOffset.getY())
{
const sal_uInt32 nWidth(aBitmap.GetSizePixel().getWidth());
const sal_uInt32 nHeight(aBitmap.GetSizePixel().getHeight());
if(0.0 != maOffset.getX())
{
bExpandHeight = true;
const sal_uInt32 nOffset(basegfx::fround(((double)nWidth * maOffset.getX()) / 100.0));
aBitmap.Expand(0L, nHeight);
const Size aSizeA(nOffset, nHeight);
const Rectangle aDstA(Point(0L, nHeight), aSizeA);
const Rectangle aSrcA(Point(nWidth - nOffset, 0L), aSizeA);
aBitmap.CopyPixel(aDstA, aSrcA);
const Size aSizeB(nWidth - nOffset, nHeight);
const Rectangle aDstB(Point(nOffset, nHeight), aSizeB);
const Rectangle aSrcB(Point(0L, 0L), aSizeB);
aBitmap.CopyPixel(aDstB, aSrcB);
}
else
{
bExpandWidth = true;
const sal_uInt32 nOffset(basegfx::fround(((double)nHeight * maOffset.getY()) / 100.0));
aBitmap.Expand(nWidth, 0L);
const Size aSize(nWidth, nHeight);
const Rectangle aDst(Point(nWidth, 0L), aSize);
const Rectangle aSrc(Point(0L, 0L), aSize);
aBitmap.CopyPixel(aDst, aSrc);
const Size aSizeA(nWidth, nOffset);
const Rectangle aDstA(Point(0L, 0L), aSizeA);
const Rectangle aSrcA(Point(nWidth, nHeight - nOffset), aSizeA);
aBitmap.CopyPixel(aDstA, aSrcA);
const Size aSizeB(nWidth, nHeight - nOffset);
const Rectangle aDstB(Point(0L, nOffset), aSizeB);
const Rectangle aSrcB(Point(nWidth, 0L), aSizeB);
aBitmap.CopyPixel(aDstB, aSrcB);
}
}
}
// init values with defaults
basegfx::B2DPoint aBitmapSize(1.0, 1.0);
basegfx::B2DVector aBitmapTopLeft(0.0, 0.0);
// are canges needed?
if(mbTiling || !mbStretch)
{
// init values with range sizes
const double fRangeWidth(0.0 != rRange.getWidth() ? rRange.getWidth() : 1.0);
const double fRangeHeight(0.0 != rRange.getHeight() ? rRange.getHeight() : 1.0);
aBitmapSize = basegfx::B2DPoint(fRangeWidth, fRangeHeight);
// size changes
if(0.0 != maSize.getX())
{
if(maSize.getX() < 0.0)
{
aBitmapSize.setX(aBitmapSize.getX() * (maSize.getX() * -0.01));
}
else
{
aBitmapSize.setX(maSize.getX());
}
}
else
{
aBitmapSize.setX(aLogicalSize.getX());
}
if(0.0 != maSize.getY())
{
if(maSize.getY() < 0.0)
{
aBitmapSize.setY(aBitmapSize.getY() * (maSize.getY() * -0.01));
}
else
{
aBitmapSize.setY(maSize.getY());
}
}
else
{
aBitmapSize.setY(aLogicalSize.getY());
}
// get values, force to centered if necessary
const basegfx::B2DVector aRectPoint(mbTiling ? maRectPoint : basegfx::B2DVector(0.0, 0.0));
// position changes X
if(0.0 == aRectPoint.getX())
{
aBitmapTopLeft.setX((fRangeWidth - aBitmapSize.getX()) * 0.5);
}
else if(1.0 == aRectPoint.getX())
{
aBitmapTopLeft.setX(fRangeWidth - aBitmapSize.getX());
}
if(mbTiling && 0.0 != maOffsetPosition.getX())
{
aBitmapTopLeft.setX(aBitmapTopLeft.getX() + (aBitmapSize.getX() * (maOffsetPosition.getX() * 0.01)));
}
// position changes Y
if(0.0 == aRectPoint.getY())
{
aBitmapTopLeft.setY((fRangeHeight - aBitmapSize.getY()) * 0.5);
}
else if(1.0 == aRectPoint.getY())
{
aBitmapTopLeft.setY(fRangeHeight - aBitmapSize.getY());
}
if(mbTiling && 0.0 != maOffsetPosition.getY())
{
aBitmapTopLeft.setY(aBitmapTopLeft.getY() + (aBitmapSize.getY() * (maOffsetPosition.getY() * 0.01)));
}
// apply expand
if(bExpandWidth)
{
aBitmapSize.setX(aBitmapSize.getX() * 2.0);
}
if(bExpandHeight)
{
aBitmapSize.setY(aBitmapSize.getY() * 2.0);
}
// apply bitmap size scaling to unit rectangle
aBitmapTopLeft.setX(aBitmapTopLeft.getX() / fRangeWidth);
aBitmapTopLeft.setY(aBitmapTopLeft.getY() / fRangeHeight);
aBitmapSize.setX(aBitmapSize.getX() / fRangeWidth);
aBitmapSize.setY(aBitmapSize.getY() / fRangeHeight);
}
return FillBitmapAttribute(aBitmap, aBitmapTopLeft, aBitmapSize, mbTiling);
}
} // end of namespace attribute
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
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