diff options
Diffstat (limited to 'drawinglayer/source/primitive2d/borderlineprimitive2d.cxx')
| -rw-r--r-- | drawinglayer/source/primitive2d/borderlineprimitive2d.cxx | 120 |
1 files changed, 67 insertions, 53 deletions
diff --git a/drawinglayer/source/primitive2d/borderlineprimitive2d.cxx b/drawinglayer/source/primitive2d/borderlineprimitive2d.cxx index 290c87acb0cf..67efa09da581 100644 --- a/drawinglayer/source/primitive2d/borderlineprimitive2d.cxx +++ b/drawinglayer/source/primitive2d/borderlineprimitive2d.cxx @@ -28,6 +28,8 @@ #include <numeric> #include <algorithm> +namespace drawinglayer { + namespace { void moveLine(basegfx::B2DPolygon& rPoly, double fGap, const basegfx::B2DVector& rVector) @@ -44,10 +46,46 @@ void moveLine(basegfx::B2DPolygon& rPoly, double fGap, const basegfx::B2DVector& } } +primitive2d::Primitive2DReference makeHairLinePrimitive( + const basegfx::B2DPoint& rStart, const basegfx::B2DPoint& rEnd, const basegfx::B2DVector& rVector, + const basegfx::BColor& rColor, double fGap) +{ + basegfx::B2DPolygon aPolygon; + aPolygon.append(rStart); + aPolygon.append(rEnd); + moveLine(aPolygon, fGap, rVector); + + return primitive2d::Primitive2DReference(new primitive2d::PolygonHairlinePrimitive2D(aPolygon, rColor)); } -namespace drawinglayer +primitive2d::Primitive2DReference makeSolidLinePrimitive( + const basegfx::B2DPolyPolygon& rClipRegion, const basegfx::B2DPoint& rStart, const basegfx::B2DPoint& rEnd, + const basegfx::B2DVector& rVector, const basegfx::BColor& rColor, double fLineWidth, double fGap) { + const basegfx::B2DVector aPerpendicular = basegfx::getPerpendicular(rVector); + const basegfx::B2DVector aLineWidthOffset = ((fLineWidth + 1.0) * 0.5) * aPerpendicular; + + basegfx::B2DPolygon aPolygon; + aPolygon.append(rStart + aLineWidthOffset); + aPolygon.append(rEnd + aLineWidthOffset); + aPolygon.append(rEnd - aLineWidthOffset); + aPolygon.append(rStart - aLineWidthOffset); + aPolygon.setClosed(true); + + moveLine(aPolygon, fGap, rVector); + + basegfx::B2DPolyPolygon aClipped = + basegfx::tools::clipPolygonOnPolyPolygon(aPolygon, rClipRegion, true, false); + + if (aClipped.count()) + aPolygon = aClipped.getB2DPolygon(0); + + return primitive2d::Primitive2DReference( + new primitive2d::PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPolygon), rColor)); +} + +} + // fdo#49438: heuristic pseudo hack static bool lcl_UseHairline(double const fW, basegfx::B2DPoint const& rStart, basegfx::B2DPoint const& rEnd, @@ -139,66 +177,42 @@ namespace drawinglayer if(isOutsideUsed() && isInsideUsed()) { - basegfx::B2DPolygon aPolygon; const double fExt = getWidth(rViewInformation); // Extend a lot: it'll be clipped later. const basegfx::B2DPoint aTmpStart(getStart() - (fExt * aVector)); const basegfx::B2DPoint aTmpEnd(getEnd() + (fExt * aVector)); - // Get which is the line to show - double nWidth = getLeftWidth(); - basegfx::BColor aColor = getRGBColorLeft(); - - bool const bIsHairline = lcl_UseHairline( - nWidth, getStart(), getEnd(), rViewInformation); - nWidth = lcl_GetCorrectedWidth(nWidth, - getStart(), getEnd(), rViewInformation); + xRetval.realloc(2); - // distance is already scaled. - double fGap = mfDistance*8.0; - - if (bIsHairline) { - // create hairline primitive - aPolygon.append( getStart() ); - aPolygon.append( getEnd() ); - - basegfx::B2DPolygon aPolygon2 = aPolygon; - moveLine(aPolygon2, fGap, aVector); - - xRetval.realloc(2); - xRetval[0] = Primitive2DReference(new PolygonHairlinePrimitive2D( - aPolygon, - aColor)); - - xRetval[1] = Primitive2DReference(new PolygonHairlinePrimitive2D( - aPolygon2, - aColor)); + // "inside" line + double fWidth = getLeftWidth(); + basegfx::BColor aColor = getRGBColorLeft(); + bool bIsHairline = lcl_UseHairline( + fWidth, getStart(), getEnd(), rViewInformation); + fWidth = lcl_GetCorrectedWidth(fWidth, + getStart(), getEnd(), rViewInformation); + + if (bIsHairline) + xRetval[0] = makeHairLinePrimitive(getStart(), getEnd(), aVector, aColor, 0.0); + else + xRetval[0] = makeSolidLinePrimitive( + aClipRegion, aTmpStart, aTmpEnd, aVector, aColor, fWidth, 0.0); } - else - { - // create filled polygon primitive - const basegfx::B2DVector aLineWidthOffset(((nWidth + 1) * 0.5) * aPerpendicular); - aPolygon.append( aTmpStart + aLineWidthOffset ); - aPolygon.append( aTmpEnd + aLineWidthOffset ); - aPolygon.append( aTmpEnd - aLineWidthOffset ); - aPolygon.append( aTmpStart - aLineWidthOffset ); - aPolygon.setClosed( true ); - - basegfx::B2DPolyPolygon aClipped = basegfx::tools::clipPolygonOnPolyPolygon( - aPolygon, aClipRegion, true, false ); - - if ( aClipped.count() ) - aPolygon = aClipped.getB2DPolygon(0); - - basegfx::B2DPolygon aPolygon2 = aPolygon; - moveLine(aPolygon2, fGap, aVector); - - xRetval.realloc(2); - xRetval[0] = Primitive2DReference( - new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPolygon), aColor)); - xRetval[1] = Primitive2DReference( - new PolyPolygonColorPrimitive2D(basegfx::B2DPolyPolygon(aPolygon2), aColor)); + { + // "outside" line + double fWidth = getRightWidth(); + basegfx::BColor aColor = getRGBColorRight(); + bool bIsHairline = lcl_UseHairline( + fWidth, getStart(), getEnd(), rViewInformation); + fWidth = lcl_GetCorrectedWidth(fWidth, + getStart(), getEnd(), rViewInformation); + + if (bIsHairline) + xRetval[1] = makeHairLinePrimitive(getStart(), getEnd(), aVector, aColor, mfDistance); + else + xRetval[1] = makeSolidLinePrimitive( + aClipRegion, aTmpStart, aTmpEnd, aVector, aColor, fWidth, mfDistance); } } else |