CWS-TOOLING: integrate CWS aw073

2009-07-16 11:21:19 +0200 aw  r274036 : corrections after resync
2009-07-15 13:34:18 +0200 aw  r274009 : CWS-TOOLING: rebase CWS aw073 to trunk@273858 (milestone: DEV300:m52)
2009-07-01 20:04:27 +0200 aw  r273613 : CWS-TOOLING: rebase CWS aw073 to trunk@273468 (milestone: DEV300:m51)
2009-06-24 11:51:03 +0200 aw  r273324 : #i102062# added using statement for solaris compiler
2009-06-23 12:53:50 +0200 aw  r273278 : #i100158# force filled polygons to closed state
2009-06-23 12:28:33 +0200 aw  r273276 : #i100158#, #i102371# corrected all (mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW) shortcuts to support line/fill and to be not used when FillMode is not overpaint
2009-06-23 12:15:14 +0200 aw  r273274 : #i100158# added PolyPolygon support for snapPointsOfHorizontalOrVerticalEdges helper
2009-06-22 17:28:33 +0200 aw  r273244 : #i101508# added taking care of cell's distance-to-border values for cell text primitive creation
2009-06-22 12:59:10 +0200 aw  r273218 : #i102253# applied patch from OD (see task)
2009-06-18 17:00:52 +0200 aw  r273125 : #i102251# added EE_CNTRL_ONLINESPELLING switch off at DrawOutliner during GraphicExporter::GetGraphic
2009-06-18 14:35:57 +0200 aw  r273120 : #i102241# added mergeToSinglePolyPolygon usage to SdrObject::ImpConvertToContourObj
2009-06-18 14:35:20 +0200 aw  r273119 : #i102241# improved PolygonStrokePrimitive2D::createLocalDecomposition
2009-06-18 14:34:49 +0200 aw  r273118 : #i102241# Made B2DCubicBezier::testAndSolveTrivialBezier() numerically more stable
2009-06-17 16:11:21 +0200 aw  r273078 : #i102062# added compare support for OutlireParaObject's WrongList in an extra method; using in primitive comparators
2009-06-16 19:10:18 +0200 aw  r273037 : #i101957# corrected: offset needs to be added before rotation and shear
2009-06-16 18:58:43 +0200 aw  r273035 : #i101957# added needed offset by object width to SdrTextObj::impDecomposeStretchTextPrimitive for vertical texts
2009-06-16 18:35:55 +0200 aw  r273034 : #i101941# corrected object initialisation for 3D Scenes on Clone operator
2009-06-16 16:07:30 +0200 aw  r273024 : #i101811# extended renderChartPrimitive2D to create a correct embedding in a new MapMode
2009-06-12 19:38:07 +0200 aw  r272940 : #i101734# added test code to experiment on demand with more complex transformations for virtual objects than only translations
2009-06-12 19:37:07 +0200 aw  r272939 : #i101734# corrected SvtGraphicStroke preparation in MetaFile renderer (AFAP)
2009-06-12 16:31:55 +0200 aw  r272931 : #i101648# re-enabled object creation with objecttype OBJ_NONE for SW Frame creation
2009-06-12 13:59:05 +0200 aw  r272917 : #i101598# supported AAed single line paint in VCL
2009-06-12 11:34:25 +0200 aw  r272907 : #i101598# adapted Graphic::GetBitmap() usage
2009-06-10 16:34:19 +0200 aw  r272830 : #i101598# added VCL_DLLPUBLIC to parameter class
2009-06-10 16:30:27 +0200 aw  r272829 : #i101598# extended calls to Graphic::GetBitmap/Ex where conversions to Bitmap objects is needed to user defined parameters like AntiAlisasing
2009-06-10 16:28:44 +0200 aw  r272828 : #i101598# extended Graphic::GetBitmap/Ex interfaces to transport raster conversion parameters since these calls potentially need to rasterconvert a contained MetaFile
2009-06-09 16:26:40 +0200 aw  r272781 : #i100945# checked in proposed patch for now
2009-06-08 18:01:42 +0200 aw  r272742 : #i101239# teached BinTextObject to register at EditEngineItemPool sub-pool, not on given pool directly

1 files changed, 24 insertions, 12 deletions

diff --git a/basegfx/source/curve/b2dcubicbezier.cxx b/basegfx/source/curve/b2dcubicbezier.cxx
index 76d1b74ddbca..e7247a95333b 100644
--- a/basegfx/source/curve/b2dcubicbezier.cxx
+++ b/basegfx/source/curve/b2dcubicbezier.cxx
@@ -443,21 +443,32 @@ namespace basegfx
                 bool bAIsTrivial(aVecA.equalZero());
                 bool bBIsTrivial(aVecB.equalZero());
 
+                // #i102241# prepare inverse edge length to normalize cross values;
+                // else the small compare value used in fTools::equalZero
+                // will be length dependent and this detection will work as less
+                // precise as longer the edge is. In principle, the length of the control
+                // vector would need to be used too, but to be trivial it is assumed to
+                // be of roughly equal length to the edge, so edge length can be used
+                // for both. Only needed when one of both is not trivial per se.
+                const double fInverseEdgeLength(bAIsTrivial && bBIsTrivial
+                    ? 1.0
+                    : 1.0 / aEdge.getLength());
+
                 // if A is not zero, check if it could be
                 if(!bAIsTrivial)
                 {
-                    // parallel to edge? Check aVecA, aEdge
-                    // B2DVector::areParallel is too correct, uses differences in the e15 region,
-                    // thus do own test here
-                    const double fValA(aVecA.getX() * aEdge.getY());
-                    const double fValB(aVecA.getY() * aEdge.getX());
+                    // #i102241# parallel to edge? Check aVecA, aEdge. Use cross() which does what
+                    // we need here with the precision we need
+                    const double fCross(aVecA.cross(aEdge) * fInverseEdgeLength);
 
-                    if(fTools::equalZero(fabs(fValA) - fabs(fValB)))
+                    if(fTools::equalZero(fCross))
                     {
                         // get scale to edge. Use bigger distance for numeric quality
-                        const double fScale(fabs(aEdge.getX()) > fabs(aEdge.getY()) ? aVecA.getX() / aEdge.getX() : aVecA.getY() / aEdge.getY());
+                        const double fScale(fabs(aEdge.getX()) > fabs(aEdge.getY())
+                            ? aVecA.getX() / aEdge.getX()
+                            : aVecA.getY() / aEdge.getY());
 
-                        // end point of vector in edge range?
+                        // relative end point of vector in edge range?
                         if(fTools::moreOrEqual(fScale, 0.0) && fTools::lessOrEqual(fScale, 1.0))
                         {
                             bAIsTrivial = true;
@@ -470,13 +481,14 @@ namespace basegfx
                 if(bAIsTrivial && !bBIsTrivial)
                 {
                     // parallel to edge? Check aVecB, aEdge
-                    const double fValA(aVecB.getX() * aEdge.getY());
-                    const double fValB(aVecB.getY() * aEdge.getX());
+                    const double fCross(aVecB.cross(aEdge) * fInverseEdgeLength);
 
-                    if(fTools::equalZero(fabs(fValA) - fabs(fValB)))
+                    if(fTools::equalZero(fCross))
                     {
                         // get scale to edge. Use bigger distance for numeric quality
-                        const double fScale(fabs(aEdge.getX()) > fabs(aEdge.getY()) ? aVecB.getX() / aEdge.getX() : aVecB.getY() / aEdge.getY());
+                        const double fScale(fabs(aEdge.getX()) > fabs(aEdge.getY())
+                            ? aVecB.getX() / aEdge.getX()
+                            : aVecB.getY() / aEdge.getY());
 
                         // end point of vector in edge range? Caution: controlB is directed AGAINST edge
                         if(fTools::lessOrEqual(fScale, 0.0) && fTools::moreOrEqual(fScale, -1.0))