diff options
| author | Muthu Subramanian <sumuthu@suse.com> | 2013-05-02 17:06:48 +0530 |
|---|---|---|
| committer | Muthu Subramanian <sumuthu@suse.com> | 2013-05-02 17:25:50 +0530 |
| commit | 1bb53530e811d7f5df4878db079538b4707410b6 (patch) | |
| tree | 333ebf4fe06642a54a7c97a0820ac60b9d8354ac /chart2 | |
| parent | 3e52762c5a9b4d1976b968634c72b172927a51d8 (diff) | |
n#816939: Improved label overlap detection - Part 2
Diffstat (limited to 'chart2')
| -rw-r--r-- | chart2/source/view/axes/VCartesianAxis.cxx | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/chart2/source/view/axes/VCartesianAxis.cxx b/chart2/source/view/axes/VCartesianAxis.cxx index 62097105db73..c231110384f7 100644 --- a/chart2/source/view/axes/VCartesianAxis.cxx +++ b/chart2/source/view/axes/VCartesianAxis.cxx @@ -138,6 +138,19 @@ bool lcl_doesShapeOverlapWithTickmark( const Reference< drawing::XShape >& xShap return aShapeRect.isInside(aPosition); } +void lcl_getRotatedPolygon( B2DPolygon &aPoly, const ::basegfx::B2DRectangle &aRect, const awt::Point &aPos, const double fRotationAngleDegree ) +{ + ::basegfx::B2DHomMatrix aMatrix; + + aPoly = basegfx::tools::createPolygonFromRect( aRect ); + aMatrix.translate( -aRect.getWidth()/2, -aRect.getHeight()/2); + aMatrix.rotate( fRotationAngleDegree*M_PI/180.0 ); + aPoly.transform( aMatrix ); + aMatrix = ::basegfx::B2DHomMatrix(); + aMatrix.translate( aRect.getWidth()/2+aPos.X, aRect.getHeight()/2+aPos.Y); + aPoly.transform( aMatrix ); +} + bool doesOverlap( const Reference< drawing::XShape >& xShape1 , const Reference< drawing::XShape >& xShape2 , double fRotationAngleDegree ) @@ -145,15 +158,13 @@ bool doesOverlap( const Reference< drawing::XShape >& xShape1 if( !xShape1.is() || !xShape2.is() ) return false; - ::basegfx::B2DRectangle aRect1( BaseGFXHelper::makeRectangle( xShape1->getPosition(), ShapeFactory::getSizeAfterRotation( xShape1, 0 ) )); - ::basegfx::B2DRectangle aRect2( BaseGFXHelper::makeRectangle( xShape2->getPosition(), ShapeFactory::getSizeAfterRotation( xShape2, 0 ) )); + ::basegfx::B2DRectangle aRect1( BaseGFXHelper::makeRectangle( awt::Point(0,0), xShape1->getSize())); + ::basegfx::B2DRectangle aRect2( BaseGFXHelper::makeRectangle( awt::Point(0,0), xShape2->getSize())); - B2DPolygon aPoly1 = basegfx::tools::createPolygonFromRect( aRect1 ); - B2DPolygon aPoly2 = basegfx::tools::createPolygonFromRect( aRect2 ); - ::basegfx::B2DHomMatrix aMatrix; - aMatrix.rotate( fRotationAngleDegree ); - aPoly1.transform( aMatrix ); - aPoly2.transform( aMatrix ); + B2DPolygon aPoly1; + B2DPolygon aPoly2; + lcl_getRotatedPolygon( aPoly1, aRect1, xShape1->getPosition(), fRotationAngleDegree ); + lcl_getRotatedPolygon( aPoly2, aRect2, xShape2->getPosition(), fRotationAngleDegree ); B2DPolyPolygon aPolyPoly1, aPolyPoly2; aPolyPoly1.append( aPoly1 ); |