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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: textdecoratedprimitive2d.cxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: aw $ $Date: 2007-08-13 15:30:25 $
*
* 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
*
************************************************************************/
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE_TEXTDECORATEDPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/textdecoratedprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_TEXTLAYOUTDEVICE_HXX
#include <drawinglayer/primitive2d/textlayoutdevice.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_POLYGONPRIMITIVE2D_HXX
#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_ATTRIBUTE_STROKEATTRIBUTE_HXX
#include <drawinglayer/attribute/strokeattribute.hxx>
#endif
#ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_PRIMITIVETYPES2D_HXX
#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
#endif
#include <numeric>
//////////////////////////////////////////////////////////////////////////////
namespace drawinglayer
{
namespace primitive2d
{
Primitive2DSequence TextDecoratedPortionPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
{
std::vector< BasePrimitive2D* > aNewPrimitives;
// First create a simple text primitive and ignore other attributes
aNewPrimitives.push_back(new TextSimplePortionPrimitive2D(getTextTransform(), getText(), getDXArray(), getFontAttributes(), getLocale(), getFontColor()));
// more to be done?
const bool bNeedFontUnderline(getFontUnderline() != FONT_UNDERLINE_NONE);
const bool bNeedFontStrikeout(getFontStrikeout() != FONT_STRIKEOUT_NONE);
const bool bNeedEmphasisMarkAbove(getEmphasisMarkAbove() != FONT_EMPHASISMARK_NONE);
const bool bNeedEmphasisMarkBelow(getEmphasisMarkBelow() != FONT_EMPHASISMARK_NONE);
const sal_uInt32 nSpellVectorSize(maWrongSpellVector.size());
if(bNeedFontUnderline
|| bNeedFontStrikeout
|| bNeedEmphasisMarkAbove
|| bNeedEmphasisMarkBelow
|| 0 != nSpellVectorSize)
{
// prepare transformations
basegfx::B2DVector aScale, aTranslate;
double fRotate, fShearX;
getTextTransform().decompose(aScale, aTranslate, fRotate, fShearX);
// unscaled transform is needed since the scale in the text transform describes the font size
basegfx::B2DHomMatrix aUnscaledTransform;
aUnscaledTransform.rotate( fRotate );
aUnscaledTransform.shearX( fShearX );
aUnscaledTransform.translate( aTranslate.getX(), aTranslate.getY() );
// prepare TextLayouterDevice to get metrics for text decorations like
// underline/strikeout/emphasis marks from it
TextLayouterDevice aTextLayouter;
{
// unrotated transform is needed for TextLayouterDevice setup
basegfx::B2DHomMatrix aUnrotatedTransform = getTextTransform();
aUnrotatedTransform.rotate( -fRotate );
aTextLayouter.setFontAttributes(getFontAttributes(), aUnrotatedTransform );
}
// init metrics to defaults
// const double fLineHeight(aTextLayouter.getTextHeight());
double fUnderlineOffset(aTextLayouter.getUnderlineOffset());
double fUnderlineHeight(aTextLayouter.getUnderlineHeight());
basegfx::tools::B2DLineJoin eLineJoin(basegfx::tools::B2DLINEJOIN_NONE);
bool bDoubleLine(false);
bool bWaveLine(false);
double fTextWidth(0.0);
if(getDXArray().empty())
{
fTextWidth = aTextLayouter.getTextWidth( getText(), 0/*TODO*/, getText().Len()/*TODO*/ );
}
else
{
fTextWidth = getDXArray().back() * aScale.getX();
}
// prepare line styles for text decoration lines
const int* pDashDotArray(0);
static const int aDottedArray[] = { 1, 1, 0}; // DOTTED LINE
static const int aDashDotArray[] = { 1, 1, 4, 1, 0}; // DASHDOT
static const int aDashDotDotArray[] = { 1, 1, 1, 1, 4, 1, 0}; // DASHDOTDOT
static const int aDashedArray[] = { 5, 2, 0}; // DASHED LINE
static const int aLongDashArray[] = { 7, 2, 0}; // LONGDASH
// set Underline attribute
switch( getFontUnderline() )
{
default:
DBG_WARNING1( "DrawingLayer: Unknown underline attribute (%d)!", getFontUnderline() );
// fall through
case primitive2d::FONT_UNDERLINE_NONE:
fUnderlineHeight = 0;
break;
case primitive2d::FONT_UNDERLINE_BOLD:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_SINGLE:
break;
case primitive2d::FONT_UNDERLINE_DOUBLE:
bDoubleLine = true;
break;
case primitive2d::FONT_UNDERLINE_BOLDDOTTED:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_DOTTED:
eLineJoin = basegfx::tools::B2DLINEJOIN_ROUND;
pDashDotArray = aDottedArray;
break;
case primitive2d::FONT_UNDERLINE_BOLDDASH:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_DASH:
pDashDotArray = aDashedArray;
break;
case primitive2d::FONT_UNDERLINE_BOLDLONGDASH:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_LONGDASH:
pDashDotArray = aLongDashArray;
break;
case primitive2d::FONT_UNDERLINE_BOLDDASHDOT:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_DASHDOT:
pDashDotArray = aDashDotArray;
break;
case primitive2d::FONT_UNDERLINE_BOLDDASHDOTDOT:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_DASHDOTDOT:
eLineJoin = basegfx::tools::B2DLINEJOIN_ROUND;
pDashDotArray = aDashDotDotArray;
break;
case primitive2d::FONT_UNDERLINE_SMALLWAVE:
// TODO
bWaveLine = true;
break;
case primitive2d::FONT_UNDERLINE_BOLDWAVE:
fUnderlineHeight *= 2;
// fall through
case primitive2d::FONT_UNDERLINE_WAVE:
// TODO
bWaveLine = true;
break;
case primitive2d::FONT_UNDERLINE_DOUBLEWAVE:
bWaveLine = true;
bDoubleLine = true;
break;
}
if(fUnderlineHeight > 0.0)
{
if(bDoubleLine)
{
fUnderlineOffset -= 0.50 * fUnderlineHeight;
fUnderlineHeight *= 0.64;
}
basegfx::B2DPolygon aUnderline;
::basegfx::B2DPoint aPoint( 0.0, fUnderlineOffset );
aUnderline.append( aPoint );
if(!bWaveLine)
{
// straight underline
aUnderline.append( aPoint + ::basegfx::B2DPoint( fTextWidth, 0.0 ) );
}
else
{
// wavy underline
basegfx::B2DPolygon& aWavePoly = aUnderline;
double fWaveWidth(4.0 * fUnderlineHeight);
if(primitive2d::FONT_UNDERLINE_SMALLWAVE == getFontUnderline())
{
fWaveWidth *= 0.7;
}
const double fWaveHeight(0.5 * fWaveWidth);
const ::basegfx::B2DPoint aCtrlOffset( fWaveWidth * 0.467308, fWaveHeight );
for(double fPos = fWaveWidth; fPos < fTextWidth; fPos += fWaveWidth)
{
// create a symmetrical wave using one cubic bezier curve
// with y==0 for {x==0, x==0.5*fW or x==1.0*fW}
// and ymin/ymax at {x=0.25*fW or 0.75*fW}
const int n = aWavePoly.count();
aWavePoly.setNextControlPoint( n-1, aPoint + aCtrlOffset );
aWavePoly.append(aPoint += ::basegfx::B2DPoint( fWaveWidth, 0.0 ) );
aWavePoly.setPrevControlPoint( n-1, aPoint - aCtrlOffset );
}
// adjust stroke style
eLineJoin = basegfx::tools::B2DLINEJOIN_ROUND;
fUnderlineHeight *= 0.5;
}
const basegfx::BColor& rLineColor = getTextlineColor();
attribute::StrokeAttribute aStrokeAttr(rLineColor, fUnderlineHeight, eLineJoin);
if(pDashDotArray)
{
::std::vector< double > aDoubleArray;
for( const int* p = pDashDotArray; *p; ++p )
{
aDoubleArray.push_back( *p * fUnderlineHeight);
}
const double fFullDashDotLen(::std::accumulate(aDoubleArray.begin(), aDoubleArray.end(), 0.0));
aStrokeAttr = attribute::StrokeAttribute(rLineColor, fUnderlineHeight, eLineJoin, aDoubleArray, fFullDashDotLen);
}
aUnderline.transform( aUnscaledTransform );
aNewPrimitives.push_back(new PolygonStrokePrimitive2D( aUnderline, aStrokeAttr ));
if( bDoubleLine )
{
// add another underline below the first underline
const double fLineDist((bWaveLine ? 3.0 : 2.0) * fUnderlineHeight);
::basegfx::B2DVector aOffsetVector( 0.0, fLineDist );
basegfx::B2DHomMatrix aOffsetTransform;
aOffsetVector = aUnscaledTransform * aOffsetVector;
aOffsetTransform.translate( aOffsetVector.getX(), aOffsetVector.getY() );
aUnderline.transform( aOffsetTransform );
aNewPrimitives.push_back(new PolygonStrokePrimitive2D( aUnderline, aStrokeAttr ));
}
}
double fStrikeoutHeight(aTextLayouter.getUnderlineHeight());
double fStrikeoutOffset(aTextLayouter.getStrikeoutOffset());
eLineJoin = basegfx::tools::B2DLINEJOIN_NONE;
bDoubleLine = false;
sal_Unicode aStrikeoutChar('\0');
// set Underline attribute
switch( getFontStrikeout() )
{
default:
DBG_WARNING1( "DrawingLayer: Unknown underline attribute (%d)!", getFontUnderline() );
// fall through
case primitive2d::FONT_STRIKEOUT_NONE:
fStrikeoutHeight = 0;
break;
case primitive2d::FONT_STRIKEOUT_SINGLE:
break;
case primitive2d::FONT_STRIKEOUT_DOUBLE:
bDoubleLine = true;
break;
case primitive2d::FONT_STRIKEOUT_BOLD:
fStrikeoutHeight *= 2;
break;
case primitive2d::FONT_STRIKEOUT_SLASH:
aStrikeoutChar = '/';
fStrikeoutHeight = 0;
break;
case primitive2d::FONT_STRIKEOUT_X:
aStrikeoutChar = 'X';
fStrikeoutHeight = 0;
break;
}
if(fStrikeoutHeight > 0.0)
{
if( bDoubleLine )
{
fStrikeoutOffset -= 0.50 * fStrikeoutHeight;
fStrikeoutHeight *= 0.64;
}
basegfx::B2DPolygon aStrikeoutLine;
basegfx::B2DPoint aPoint( 0.0, -fStrikeoutOffset );
aStrikeoutLine.append( aPoint );
if( 1/*####*/ )
{
// straight underline
aStrikeoutLine.append( aPoint + ::basegfx::B2DPoint( fTextWidth, 0.0 ) );
}
const basegfx::BColor& rStrikeoutColor = getTextlineColor();
attribute::StrokeAttribute aStrokeAttr( rStrikeoutColor, fStrikeoutHeight, eLineJoin );
aStrikeoutLine.transform( aUnscaledTransform );
aNewPrimitives.push_back(new PolygonStrokePrimitive2D( aStrikeoutLine, aStrokeAttr ));
if( bDoubleLine )
{
// add another strikeout below the first strikeout
const double fLineDist(2.0 * fStrikeoutHeight);
::basegfx::B2DVector aOffsetVector( 0.0, -fLineDist );
basegfx::B2DHomMatrix aOffsetTransform;
aOffsetVector = aUnscaledTransform * aOffsetVector;
aOffsetTransform.translate( aOffsetVector.getX(), aOffsetVector.getY() );
aStrikeoutLine.transform( aOffsetTransform );
aNewPrimitives.push_back(new PolygonStrokePrimitive2D( aStrikeoutLine, aStrokeAttr ));
}
}
if( aStrikeoutChar != '\0' )
{
const String aSingleCharString( &aStrikeoutChar, 1 );
const double fStrikeCharWidth(aTextLayouter.getTextWidth( aSingleCharString, 0, 1 ));
const double fStrikeCharCount(fabs(fTextWidth / fStrikeCharWidth));
const sal_uInt32 nStrikeCharCount(static_cast< sal_uInt32 >(fStrikeCharCount + 0.9));
const double fStrikeCharWidthUnscaled(aScale.getX() == 0.0 ? fStrikeCharWidth : fStrikeCharWidth / aScale.getX());
const basegfx::BColor& rStrikeoutColor = getFontColor();
std::vector<double> aDXArray(nStrikeCharCount);
String aStrikeoutString;
for(sal_uInt32 a(0); a < nStrikeCharCount; a++)
{
aStrikeoutString += aStrikeoutChar;
aDXArray[a] = (a + 1) * fStrikeCharWidthUnscaled;
}
aNewPrimitives.push_back(new TextSimplePortionPrimitive2D(getTextTransform(), aStrikeoutString, aDXArray, getFontAttributes(), getLocale(), rStrikeoutColor ));
}
// TODO: need to take care of
// -emphasis mark
// -relief (embosses/engraved)
// -shadow
// if( getWordLineMode() )
// if( getUnderlineAbove() )
if(nSpellVectorSize && !getDXArray().empty())
{
// TODO: take care of WrongSpellVector; create redlining (red wavelines) accordingly.
// For test purposes, create single lines as long as no waveline primitive is created
const ::std::vector< double >& rDXArray = getDXArray();
const sal_uInt32 nDXCount(rDXArray.size());
const basegfx::BColor aSpellColor(1.0, 0.0, 0.0); // red
for(sal_uInt32 a(0); a < nSpellVectorSize; a++)
{
const WrongSpellEntry& rCandidate = maWrongSpellVector[a];
if(rCandidate.getStart() < rCandidate.getEnd())
{
::basegfx::B2DPoint aStart;
::basegfx::B2DPoint aEnd;
if(rCandidate.getStart() > 0 && rCandidate.getStart() - 1 < nDXCount)
{
aStart.setX(rDXArray[rCandidate.getStart() - 1] * aScale.getX());
}
if(rCandidate.getEnd() > 0 && rCandidate.getEnd() - 1 < nDXCount)
{
aEnd.setX(rDXArray[rCandidate.getEnd() - 1] * aScale.getX());
}
if(aStart != aEnd)
{
basegfx::B2DPolygon aPolygon;
aPolygon.append(aStart);
aPolygon.append(aEnd);
aPolygon.transform(aUnscaledTransform);
aNewPrimitives.push_back(new PolygonHairlinePrimitive2D(aPolygon, aSpellColor));
}
}
}
}
}
// prepare return sequence
Primitive2DSequence aRetval(aNewPrimitives.size());
for(sal_uInt32 a(0); a < aNewPrimitives.size(); a++)
{
aRetval[a] = Primitive2DReference(aNewPrimitives[a]);
}
return aRetval;
}
TextDecoratedPortionPrimitive2D::TextDecoratedPortionPrimitive2D(
// TextSimplePortionPrimitive2D parameters
const basegfx::B2DHomMatrix& rNewTransform,
const String& rText,
const ::std::vector< double >& rDXArray,
const FontAttributes& rFontAttributes,
const ::com::sun::star::lang::Locale& rLocale,
const basegfx::BColor& rFontColor,
// local parameters
const basegfx::BColor& rTextlineColor,
FontUnderline eFontUnderline,
bool bUnderlineAbove,
FontStrikeout eFontStrikeout,
bool bWordLineMode,
FontEmphasisMark eFontEmphasisMark,
bool bEmphasisMarkAbove,
bool bEmphasisMarkBelow,
FontRelief eFontRelief,
bool bShadow,
const WrongSpellVector& rWrongSpellVector)
: TextSimplePortionPrimitive2D(rNewTransform, rText, rDXArray, rFontAttributes, rLocale, rFontColor),
maTextlineColor(rTextlineColor),
meFontUnderline(eFontUnderline),
meFontStrikeout(eFontStrikeout),
meFontEmphasisMark(eFontEmphasisMark),
meFontRelief(eFontRelief),
maWrongSpellVector(rWrongSpellVector),
mbUnderlineAbove(bUnderlineAbove),
mbWordLineMode(bWordLineMode),
mbEmphasisMarkAbove(bEmphasisMarkAbove),
mbEmphasisMarkBelow(bEmphasisMarkBelow),
mbShadow(bShadow)
{
}
bool TextDecoratedPortionPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
{
if(TextSimplePortionPrimitive2D::operator==(rPrimitive))
{
const TextDecoratedPortionPrimitive2D& rCompare = (TextDecoratedPortionPrimitive2D&)rPrimitive;
return (getTextlineColor() == rCompare.getTextlineColor()
&& getFontUnderline() == rCompare.getFontUnderline()
&& getFontStrikeout() == rCompare.getFontStrikeout()
&& getFontEmphasisMark() == rCompare.getFontEmphasisMark()
&& getFontRelief() == rCompare.getFontRelief()
&& getWrongSpellVector() == rCompare.getWrongSpellVector()
&& getUnderlineAbove() == rCompare.getUnderlineAbove()
&& getWordLineMode() == rCompare.getWordLineMode()
&& getEmphasisMarkAbove() == rCompare.getEmphasisMarkAbove()
&& getEmphasisMarkBelow() == rCompare.getEmphasisMarkBelow()
&& getShadow() == rCompare.getShadow());
}
return false;
}
// provide unique ID
ImplPrimitrive2DIDBlock(TextDecoratedPortionPrimitive2D, PRIMITIVE2D_ID_TEXTDECORATEDPORTIONPRIMITIVE2D)
} // end of namespace primitive2d
} // end of namespace drawinglayer
//////////////////////////////////////////////////////////////////////////////
// eof
|