245 lines
9.5 KiB
C++
245 lines
9.5 KiB
C++
/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: sdrfillbitmapattribute.cxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: aw $ $Date: 2006-10-19 10:36:14 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_SDRFILLBITMAPATTRIBUTE_HXX
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#include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
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#endif
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#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_FILLBITMAPATTRIBUTE_HXX
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#include <drawinglayer/attribute/fillbitmapattribute.hxx>
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#endif
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#ifndef _BGFX_NUMERIC_FTOOLS_HXX
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#include <basegfx/numeric/ftools.hxx>
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#endif
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#ifndef _BGFX_RANGE_B2DRANGE_HXX
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#include <basegfx/range/b2drange.hxx>
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#endif
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace attribute
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{
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SdrFillBitmapAttribute::SdrFillBitmapAttribute(
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const Bitmap& rBitmap, const basegfx::B2DVector& rSize, const basegfx::B2DVector& rOffset,
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const basegfx::B2DVector& rOffsetPosition, const basegfx::B2DVector& rRectPoint,
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bool bTiling, bool bStretch, bool bLogSize)
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: maBitmap(rBitmap),
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maSize(rSize),
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maOffset(rOffset),
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maOffsetPosition(rOffsetPosition),
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maRectPoint(rRectPoint),
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mbTiling(bTiling),
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mbStretch(bStretch),
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mbLogSize(bLogSize)
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{
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}
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bool SdrFillBitmapAttribute::operator==(const SdrFillBitmapAttribute& rCandidate) const
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{
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return (maBitmap == rCandidate.maBitmap
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&& maSize == rCandidate.maSize
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&& maOffset == rCandidate.maOffset
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&& maOffsetPosition == rCandidate.maOffsetPosition
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&& maRectPoint == rCandidate.maRectPoint
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&& mbTiling == rCandidate.mbTiling
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&& mbStretch == rCandidate.mbStretch
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&& mbLogSize == rCandidate.mbLogSize);
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}
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FillBitmapAttribute SdrFillBitmapAttribute::getFillBitmapAttribute(const basegfx::B2DRange& rRange) const
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{
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// get logical size of bitmap (before expanding eventually)
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Bitmap aBitmap(maBitmap);
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const basegfx::B2DVector aLogicalSize(aBitmap.GetPrefSize().getWidth(), aBitmap.GetPrefSize().getHeight());
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// get hor/ver shiftings and apply them eventually to the bitmap, but only
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// when tiling is on
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bool bExpandWidth(false);
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bool bExpandHeight(false);
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if(mbTiling)
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{
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if(0.0 != maOffset.getX() || 0.0 != maOffset.getY())
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{
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const sal_uInt32 nWidth(aBitmap.GetSizePixel().getWidth());
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const sal_uInt32 nHeight(aBitmap.GetSizePixel().getHeight());
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if(0.0 != maOffset.getX())
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{
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bExpandHeight = true;
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const sal_uInt32 nOffset(basegfx::fround(((double)nWidth * maOffset.getX()) / 100.0));
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aBitmap.Expand(0L, nHeight);
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const Size aSizeA(nOffset, nHeight);
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const Rectangle aDstA(Point(0L, nHeight), aSizeA);
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const Rectangle aSrcA(Point(nWidth - nOffset, 0L), aSizeA);
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aBitmap.CopyPixel(aDstA, aSrcA);
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const Size aSizeB(nWidth - nOffset, nHeight);
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const Rectangle aDstB(Point(nOffset, nHeight), aSizeB);
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const Rectangle aSrcB(Point(0L, 0L), aSizeB);
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aBitmap.CopyPixel(aDstB, aSrcB);
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}
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else
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{
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bExpandWidth = true;
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const sal_uInt32 nOffset(basegfx::fround(((double)nHeight * maOffset.getY()) / 100.0));
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aBitmap.Expand(nWidth, 0L);
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const Size aSize(nWidth, nHeight);
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const Rectangle aDst(Point(nWidth, 0L), aSize);
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const Rectangle aSrc(Point(0L, 0L), aSize);
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aBitmap.CopyPixel(aDst, aSrc);
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const Size aSizeA(nWidth, nOffset);
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const Rectangle aDstA(Point(0L, 0L), aSizeA);
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const Rectangle aSrcA(Point(nWidth, nHeight - nOffset), aSizeA);
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aBitmap.CopyPixel(aDstA, aSrcA);
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const Size aSizeB(nWidth, nHeight - nOffset);
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const Rectangle aDstB(Point(0L, nOffset), aSizeB);
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const Rectangle aSrcB(Point(nWidth, 0L), aSizeB);
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aBitmap.CopyPixel(aDstB, aSrcB);
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}
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}
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}
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// init values with defaults
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basegfx::B2DPoint aBitmapSize(1.0, 1.0);
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basegfx::B2DVector aBitmapTopLeft(0.0, 0.0);
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// are canges needed?
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if(mbTiling || !mbStretch)
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{
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// init values with range sizes
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const double fRangeWidth(0.0 != rRange.getWidth() ? rRange.getWidth() : 1.0);
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const double fRangeHeight(0.0 != rRange.getHeight() ? rRange.getHeight() : 1.0);
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aBitmapSize = basegfx::B2DPoint(fRangeWidth, fRangeHeight);
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// size changes
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if(0.0 != maSize.getX())
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{
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if(maSize.getX() < 0.0)
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{
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aBitmapSize.setX(aBitmapSize.getX() * (maSize.getX() * -0.01));
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}
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else
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{
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aBitmapSize.setX(maSize.getX());
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}
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}
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else
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{
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aBitmapSize.setX(aLogicalSize.getX());
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}
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if(0.0 != maSize.getY())
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{
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if(maSize.getY() < 0.0)
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{
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aBitmapSize.setY(aBitmapSize.getY() * (maSize.getY() * -0.01));
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}
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else
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{
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aBitmapSize.setY(maSize.getY());
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}
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}
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else
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{
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aBitmapSize.setY(aLogicalSize.getY());
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}
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// get values, force to centered if necessary
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const basegfx::B2DVector aRectPoint(mbTiling ? maRectPoint : basegfx::B2DVector(0.0, 0.0));
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// position changes X
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if(0.0 == aRectPoint.getX())
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{
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aBitmapTopLeft.setX((fRangeWidth - aBitmapSize.getX()) * 0.5);
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}
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else if(1.0 == aRectPoint.getX())
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{
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aBitmapTopLeft.setX(fRangeWidth - aBitmapSize.getX());
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}
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if(mbTiling && 0.0 != maOffsetPosition.getX())
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{
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aBitmapTopLeft.setX(aBitmapTopLeft.getX() + (aBitmapSize.getX() * (maOffsetPosition.getX() * 0.01)));
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}
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// position changes Y
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if(0.0 == aRectPoint.getY())
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{
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aBitmapTopLeft.setY((fRangeHeight - aBitmapSize.getY()) * 0.5);
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}
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else if(1.0 == aRectPoint.getY())
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{
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aBitmapTopLeft.setY(fRangeHeight - aBitmapSize.getY());
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}
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if(mbTiling && 0.0 != maOffsetPosition.getY())
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{
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aBitmapTopLeft.setY(aBitmapTopLeft.getY() + (aBitmapSize.getY() * (maOffsetPosition.getY() * 0.01)));
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}
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// apply expand
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if(bExpandWidth)
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{
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aBitmapSize.setX(aBitmapSize.getX() * 2.0);
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}
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if(bExpandHeight)
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{
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aBitmapSize.setY(aBitmapSize.getY() * 2.0);
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}
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// apply bitmap size scaling to unit rectangle
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aBitmapTopLeft.setX(aBitmapTopLeft.getX() / fRangeWidth);
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aBitmapTopLeft.setY(aBitmapTopLeft.getY() / fRangeHeight);
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aBitmapSize.setX(aBitmapSize.getX() / fRangeWidth);
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aBitmapSize.setY(aBitmapSize.getY() / fRangeHeight);
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}
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return FillBitmapAttribute(aBitmap, aBitmapTopLeft, aBitmapSize, mbTiling);
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}
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} // end of namespace attribute
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} // end of namespace drawinglayer
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//////////////////////////////////////////////////////////////////////////////
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// eof
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