diff options
Diffstat (limited to 'drawinglayer/source/processor3d/zbufferprocessor3d.cxx')
| -rw-r--r-- | drawinglayer/source/processor3d/zbufferprocessor3d.cxx | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/drawinglayer/source/processor3d/zbufferprocessor3d.cxx b/drawinglayer/source/processor3d/zbufferprocessor3d.cxx index 9b8542c5b9..36f94a6960 100644 --- a/drawinglayer/source/processor3d/zbufferprocessor3d.cxx +++ b/drawinglayer/source/processor3d/zbufferprocessor3d.cxx @@ -49,6 +49,7 @@ #include <drawinglayer/primitive3d/polygonprimitive3d.hxx> #include <drawinglayer/primitive3d/polypolygonprimitive3d.hxx> #include <drawinglayer/geometry/viewinformation2d.hxx> +#include <basegfx/polygon/b3dpolygontools.hxx> ////////////////////////////////////////////////////////////////////////////// @@ -556,7 +557,51 @@ namespace drawinglayer if(mpBZPixelRaster) { mpZBufferRasterConverter3D->setCurrentMaterial(rMaterial); - mpZBufferRasterConverter3D->rasterconvertB3DPolygon(rHairline, 0, mpBZPixelRaster->getHeight(), mnAntiAlialize ? mnAntiAlialize : 1); + + if(mnAntiAlialize > 1) + { + const bool bForceLineSnap(getOptionsDrawinglayer().IsAntiAliasing() && getOptionsDrawinglayer().IsSnapHorVerLinesToDiscrete()); + + if(bForceLineSnap) + { + basegfx::B3DHomMatrix aTransform; + basegfx::B3DPolygon aSnappedHairline(rHairline); + const double fScaleDown(1.0 / mnAntiAlialize); + const double fScaleUp(mnAntiAlialize); + + // take oversampling out + aTransform.scale(fScaleDown, fScaleDown, 1.0); + aSnappedHairline.transform(aTransform); + + // snap to integer + aSnappedHairline = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges(aSnappedHairline); + + // add oversampling again + aTransform.identity(); + aTransform.scale(fScaleUp, fScaleUp, 1.0); + + if(false) + { + // when really want to go to single pixel lines, move to center. + // Without this translation, all hor/ver hairlines will be centered exactly + // between two pixel lines (which looks best) + const double fTranslateToCenter(mnAntiAlialize * 0.5); + aTransform.translate(fTranslateToCenter, fTranslateToCenter, 0.0); + } + + aSnappedHairline.transform(aTransform); + + mpZBufferRasterConverter3D->rasterconvertB3DPolygon(aSnappedHairline, 0, mpBZPixelRaster->getHeight(), mnAntiAlialize); + } + else + { + mpZBufferRasterConverter3D->rasterconvertB3DPolygon(rHairline, 0, mpBZPixelRaster->getHeight(), mnAntiAlialize); + } + } + else + { + mpZBufferRasterConverter3D->rasterconvertB3DPolygon(rHairline, 0, mpBZPixelRaster->getHeight(), 1); + } } } |