Files
libreoffice/drawinglayer/source/attribute/sdrfillbitmapattribute.cxx
Thomas Arnhold 34569eb28f drop bogus eof lines
Change-Id: Idda2852c3e96ce15fde75d5a95369ec50a012410
2012-08-07 13:45:27 +02:00

397 lines
15 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
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* it under the terms of the GNU Lesser General Public License version 3
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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#include <drawinglayer/attribute/sdrfillbitmapattribute.hxx>
#include <drawinglayer/attribute/fillbitmapattribute.hxx>
#include <vcl/bitmapex.hxx>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace attribute
{
class ImpSdrFillBitmapAttribute
{
public:
// refcounter
sal_uInt32 mnRefCount;
// data definitions
Bitmap maBitmap;
basegfx::B2DVector maSize;
basegfx::B2DVector maOffset;
basegfx::B2DVector maOffsetPosition;
basegfx::B2DVector maRectPoint;
// bitfield
unsigned mbTiling : 1;
unsigned mbStretch : 1;
unsigned mbLogSize : 1;
ImpSdrFillBitmapAttribute(
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)
: mnRefCount(0),
maBitmap(rBitmap),
maSize(rSize),
maOffset(rOffset),
maOffsetPosition(rOffsetPosition),
maRectPoint(rRectPoint),
mbTiling(bTiling),
mbStretch(bStretch),
mbLogSize(bLogSize)
{
}
// data read access
const Bitmap& getBitmap() const { return maBitmap; }
const basegfx::B2DVector& getSize() const { return maSize; }
const basegfx::B2DVector& getOffset() const { return maOffset; }
const basegfx::B2DVector& getOffsetPosition() const { return maOffsetPosition; }
const basegfx::B2DVector& getRectPoint() const { return maRectPoint; }
bool getTiling() const { return mbTiling; }
bool getStretch() const { return mbStretch; }
bool getLogSize() const { return mbLogSize; }
bool operator==(const ImpSdrFillBitmapAttribute& rCandidate) const
{
return (getBitmap() == rCandidate.getBitmap()
&& getSize() == rCandidate.getSize()
&& getOffset() == rCandidate.getOffset()
&& getOffsetPosition() == rCandidate.getOffsetPosition()
&& getRectPoint() == rCandidate.getRectPoint()
&& getTiling() == rCandidate.getTiling()
&& getStretch() == rCandidate.getStretch()
&& getLogSize() == rCandidate.getLogSize());
}
static ImpSdrFillBitmapAttribute* get_global_default()
{
static ImpSdrFillBitmapAttribute* pDefault = 0;
if(!pDefault)
{
pDefault = new ImpSdrFillBitmapAttribute(
Bitmap(),
basegfx::B2DVector(),
basegfx::B2DVector(),
basegfx::B2DVector(),
basegfx::B2DVector(),
false,
false,
false);
// never delete; start with RefCount 1, not 0
pDefault->mnRefCount++;
}
return pDefault;
}
};
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)
: mpSdrFillBitmapAttribute(new ImpSdrFillBitmapAttribute(
rBitmap, rSize, rOffset, rOffsetPosition, rRectPoint, bTiling, bStretch, bLogSize))
{
}
SdrFillBitmapAttribute::SdrFillBitmapAttribute()
: mpSdrFillBitmapAttribute(ImpSdrFillBitmapAttribute::get_global_default())
{
mpSdrFillBitmapAttribute->mnRefCount++;
}
SdrFillBitmapAttribute::SdrFillBitmapAttribute(const SdrFillBitmapAttribute& rCandidate)
: mpSdrFillBitmapAttribute(rCandidate.mpSdrFillBitmapAttribute)
{
mpSdrFillBitmapAttribute->mnRefCount++;
}
SdrFillBitmapAttribute::~SdrFillBitmapAttribute()
{
if(mpSdrFillBitmapAttribute->mnRefCount)
{
mpSdrFillBitmapAttribute->mnRefCount--;
}
else
{
delete mpSdrFillBitmapAttribute;
}
}
bool SdrFillBitmapAttribute::isDefault() const
{
return mpSdrFillBitmapAttribute == ImpSdrFillBitmapAttribute::get_global_default();
}
SdrFillBitmapAttribute& SdrFillBitmapAttribute::operator=(const SdrFillBitmapAttribute& rCandidate)
{
if(rCandidate.mpSdrFillBitmapAttribute != mpSdrFillBitmapAttribute)
{
if(mpSdrFillBitmapAttribute->mnRefCount)
{
mpSdrFillBitmapAttribute->mnRefCount--;
}
else
{
delete mpSdrFillBitmapAttribute;
}
mpSdrFillBitmapAttribute = rCandidate.mpSdrFillBitmapAttribute;
mpSdrFillBitmapAttribute->mnRefCount++;
}
return *this;
}
bool SdrFillBitmapAttribute::operator==(const SdrFillBitmapAttribute& rCandidate) const
{
if(rCandidate.mpSdrFillBitmapAttribute == mpSdrFillBitmapAttribute)
{
return true;
}
if(rCandidate.isDefault() != isDefault())
{
return false;
}
return (*rCandidate.mpSdrFillBitmapAttribute == *mpSdrFillBitmapAttribute);
}
const Bitmap& SdrFillBitmapAttribute::getBitmap() const
{
return mpSdrFillBitmapAttribute->getBitmap();
}
const basegfx::B2DVector& SdrFillBitmapAttribute::getSize() const
{
return mpSdrFillBitmapAttribute->getSize();
}
const basegfx::B2DVector& SdrFillBitmapAttribute::getOffset() const
{
return mpSdrFillBitmapAttribute->getOffset();
}
const basegfx::B2DVector& SdrFillBitmapAttribute::getOffsetPosition() const
{
return mpSdrFillBitmapAttribute->getOffsetPosition();
}
const basegfx::B2DVector& SdrFillBitmapAttribute::getRectPoint() const
{
return mpSdrFillBitmapAttribute->getRectPoint();
}
bool SdrFillBitmapAttribute::getTiling() const
{
return mpSdrFillBitmapAttribute->getTiling();
}
bool SdrFillBitmapAttribute::getStretch() const
{
return mpSdrFillBitmapAttribute->getStretch();
}
FillBitmapAttribute SdrFillBitmapAttribute::getFillBitmapAttribute(const basegfx::B2DRange& rRange) const
{
// get logical size of bitmap (before expanding eventually)
Bitmap aBitmap(getBitmap());
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(getTiling())
{
if(0.0 != getOffset().getX() || 0.0 != getOffset().getY())
{
const sal_uInt32 nWidth(aBitmap.GetSizePixel().getWidth());
const sal_uInt32 nHeight(aBitmap.GetSizePixel().getHeight());
if(0.0 != getOffset().getX())
{
bExpandHeight = true;
const sal_uInt32 nOffset(basegfx::fround(((double)nWidth * getOffset().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 * getOffset().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(getTiling() || !getStretch())
{
// 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 != getSize().getX())
{
if(getSize().getX() < 0.0)
{
aBitmapSize.setX(aBitmapSize.getX() * (getSize().getX() * -0.01));
}
else
{
aBitmapSize.setX(getSize().getX());
}
}
else
{
aBitmapSize.setX(aLogicalSize.getX());
}
if(0.0 != getSize().getY())
{
if(getSize().getY() < 0.0)
{
aBitmapSize.setY(aBitmapSize.getY() * (getSize().getY() * -0.01));
}
else
{
aBitmapSize.setY(getSize().getY());
}
}
else
{
aBitmapSize.setY(aLogicalSize.getY());
}
// get values, force to centered if necessary
const basegfx::B2DVector aRectPoint(getTiling() ? getRectPoint() : 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(getTiling() && 0.0 != getOffsetPosition().getX())
{
aBitmapTopLeft.setX(aBitmapTopLeft.getX() + (aBitmapSize.getX() * (getOffsetPosition().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(getTiling() && 0.0 != getOffsetPosition().getY())
{
aBitmapTopLeft.setY(aBitmapTopLeft.getY() + (aBitmapSize.getY() * (getOffsetPosition().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(BitmapEx(aBitmap), aBitmapTopLeft, aBitmapSize, getTiling());
}
} // end of namespace attribute
} // end of namespace drawinglayer
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */