add strikeout style as text decoration
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1 changed files with 152 additions and 64 deletions
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@ -4,9 +4,9 @@
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*
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* $RCSfile: textprimitive2d.cxx,v $
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*
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* $Revision: 1.9 $
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* $Revision: 1.10 $
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*
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* last change: $Author: hdu $ $Date: 2007-02-21 11:28:48 $
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* last change: $Author: hdu $ $Date: 2007-02-22 14:10:26 $
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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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@ -333,7 +333,7 @@ namespace drawinglayer
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{
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Primitive2DSequence TextDecoratedPortionPrimitive2D::createLocalDecomposition(const geometry::ViewInformation2D& /*rViewInformation*/) const
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{
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Primitive2DSequence aRetval(3);
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Primitive2DSequence aRetval(6);
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// First create a simple text primitive and ignore other attributes
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aRetval[0] = new TextSimplePortionPrimitive2D(getTextTransform(), getText(), getDXArray(), getFontAttributes(), getFontColor());
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@ -363,11 +363,16 @@ namespace drawinglayer
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// const double fLineHeight = aTextLayouter.getTextHeight();
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double fUnderlineOffset = aTextLayouter.getUnderlineOffset();
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double fUnderlineHeight = aTextLayouter.getUnderlineHeight();
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// const double fStrikeoutOffset = aTextLayouter.getStrikeoutOffset();
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basegfx::tools::B2DLineJoin eLineJoin = basegfx::tools::B2DLINEJOIN_NONE;
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bool bDoubleLine = false;
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bool bWaveLine = false;
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double fTextWidth = 0.0;
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if( getDXArray().empty() )
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fTextWidth = aTextLayouter.getTextWidth( getText(), 0/*TODO*/, getText().Len()/*TODO*/ );
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else
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fTextWidth = getDXArray().back() * aScale.getX();
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// prepare line styles for text decoration lines
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const int* pDashDotArray = NULL;
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static const int aDottedArray[] = { 1, 1, 0}; // DOTTED LINE
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@ -441,16 +446,15 @@ namespace drawinglayer
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bDoubleLine = true;
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break;
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}
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double fTextWidth = 0.0;
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if( getDXArray().empty() )
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fTextWidth = aTextLayouter.getTextWidth( getText(), 0/*TODO*/, getText().Len()/*TODO*/ );
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else
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fTextWidth = getDXArray().back() * aScale.getX();
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if( fUnderlineHeight > 0 )
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{
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if( bDoubleLine )
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{
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fUnderlineOffset -= 0.50 * fUnderlineHeight;
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fUnderlineHeight *= 0.64;
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}
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basegfx::B2DPolygon aUnderline;
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::basegfx::B2DPoint aPoint( 0.0, fUnderlineOffset );
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aUnderline.append( aPoint );
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@ -500,14 +504,98 @@ namespace drawinglayer
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{
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// add another underline below the first underline
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const double fLineDist = (bWaveLine ? 3 : 2) * fUnderlineHeight;
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::basegfx::B2DPoint aOffsetPoint( 0.0, fLineDist );
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aUnscaledTransform.translate( -aTranslate.getX(), -aTranslate.getY() );
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aOffsetPoint = aUnscaledTransform * aOffsetPoint;
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::basegfx::B2DVector aOffsetVector( 0.0, fLineDist );
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aOffsetVector = aUnscaledTransform * aOffsetVector;
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basegfx::B2DHomMatrix aOffsetTransform;
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aOffsetTransform.translate( aOffsetPoint.getX(), aOffsetPoint.getY() );
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aOffsetTransform.translate( aOffsetVector.getX(), aOffsetVector.getY() );
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aUnderline.transform( aOffsetTransform );
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aRetval[2] = new PolygonStrokePrimitive2D( aUnderline, aStrokeAttr );
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}
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}
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double fStrikeoutHeight = aTextLayouter.getUnderlineHeight();
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double fStrikeoutOffset = aTextLayouter.getStrikeoutOffset();
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eLineJoin = basegfx::tools::B2DLINEJOIN_NONE;
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bDoubleLine = false;
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sal_Unicode aStrikeoutChar = '\0';
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// set Underline attribute
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switch( getFontStrikeout() )
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{
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default:
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DBG_WARNING1( "DrawingLayer: Unknown underline attribute (%d)!", getFontUnderline() );
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// fall through
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case primitive2d::FONT_STRIKEOUT_NONE:
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fStrikeoutHeight = 0;
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break;
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case primitive2d::FONT_STRIKEOUT_SINGLE:
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break;
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case primitive2d::FONT_STRIKEOUT_DOUBLE:
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bDoubleLine = true;
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break;
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case primitive2d::FONT_STRIKEOUT_BOLD:
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fStrikeoutHeight *= 2;
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break;
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case primitive2d::FONT_STRIKEOUT_SLASH:
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aStrikeoutChar = '/';
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// fStrikeoutHeight = 0;
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break;
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case primitive2d::FONT_STRIKEOUT_X:
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aStrikeoutChar = 'X';
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// fStrikeoutHeight = 0;
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break;
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};
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if( fStrikeoutHeight > 0 )
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{
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if( bDoubleLine )
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{
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fStrikeoutOffset -= 0.50 * fStrikeoutHeight;
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fStrikeoutHeight *= 0.64;
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}
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basegfx::B2DPolygon aStrikeoutLine;
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basegfx::B2DPoint aPoint( 0.0, -fStrikeoutOffset );
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aStrikeoutLine.append( aPoint );
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if( 1/*####*/ )
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{
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// straight underline
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aStrikeoutLine.append( aPoint + ::basegfx::B2DPoint( fTextWidth, 0.0 ) );
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}
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const basegfx::BColor& rStrikeoutColor = getFontColor();
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attribute::StrokeAttribute aStrokeAttr( rStrikeoutColor, fStrikeoutHeight, eLineJoin );
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aStrikeoutLine.transform( aUnscaledTransform );
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aRetval[3] = new PolygonStrokePrimitive2D( aStrikeoutLine, aStrokeAttr );
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if( bDoubleLine )
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{
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// add another strikeout below the first strikeout
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const double fLineDist = 2 * fStrikeoutHeight;
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::basegfx::B2DVector aOffsetVector( 0.0, -fLineDist );
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aOffsetVector = aUnscaledTransform * aOffsetVector;
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basegfx::B2DHomMatrix aOffsetTransform;
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aOffsetTransform.translate( aOffsetVector.getX(), aOffsetVector.getY() );
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aStrikeoutLine.transform( aOffsetTransform );
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aRetval[4] = new PolygonStrokePrimitive2D( aStrikeoutLine, aStrokeAttr );
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}
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}
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if( aStrikeoutChar != '\0' )
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{
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String aString( &aStrikeoutChar, 1 );
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double fStrikeCharWidth = aTextLayouter.getTextWidth( aString, 0, 1 );
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double fStrikeCharCount = fTextWidth / fStrikeCharWidth;
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int nStrikeCharCount = static_cast<int>(fStrikeCharCount + 0.9);
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for( int i = 1; i < nStrikeCharCount; ++i )
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aString += aStrikeoutChar;
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std::vector<double> aDXArray( nStrikeCharCount );
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fStrikeCharWidth /= aScale.getX();
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for( int i = 0; i < nStrikeCharCount; ++i )
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aDXArray[i] = (i+1) * fStrikeCharWidth;
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const basegfx::BColor& rStrikeoutColor = getFontColor();
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aRetval[5] = new TextSimplePortionPrimitive2D(getTextTransform(), aString, aDXArray, getFontAttributes(), rStrikeoutColor );
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}
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// TODO: need to take care of
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// -strikethrough
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