diff options
| author | Caolán McNamara <caolanm@redhat.com> | 2017-01-12 16:42:05 +0000 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2017-01-12 16:42:46 +0000 |
| commit | 2fd88ab1cbb4690a770ca2ca5d66157ec4906a2e (patch) | |
| tree | d5087e96e3835c8d763398c82938a60917101602 /svx | |
| parent | 00db9f51215d11da3b27685a39ec940ecd65e387 (diff) | |
Resolves: tdf#101187 colossal page width wraps around if doubled
when trying to generate a reasonable upper bound clipping region
Change-Id: I53f8ea1bd6c52c88284e1f41369f83492d078b5d
Diffstat (limited to 'svx')
| -rw-r--r-- | svx/source/sdr/contact/viewcontactofsdrpathobj.cxx | 39 |
1 files changed, 22 insertions, 17 deletions
diff --git a/svx/source/sdr/contact/viewcontactofsdrpathobj.cxx b/svx/source/sdr/contact/viewcontactofsdrpathobj.cxx index 2b0e78ad391e..78455f4038f8 100644 --- a/svx/source/sdr/contact/viewcontactofsdrpathobj.cxx +++ b/svx/source/sdr/contact/viewcontactofsdrpathobj.cxx @@ -99,23 +99,28 @@ namespace sdr sal_Int32 nPageWidth = pPage ? pPage->GetWdt() : 0; sal_Int32 nPageHeight = pPage ? pPage->GetHgt() : 0; - //But, see tdf#97276 and tdf#98366. Don't clip too much if the - //underlying page dimension is unknown or a paste document - //where the page sizes use the odd default of 10x10 - nPageWidth = std::max<sal_Int32>(21000, nPageWidth); - nPageHeight = std::max<sal_Int32>(29700, nPageHeight); - basegfx::B2DRange aClipRange(-nPageWidth, -nPageHeight, - nPageWidth*2, nPageHeight*2); - - aUnitPolyPolygon = basegfx::tools::clipPolyPolygonOnRange(aUnitPolyPolygon, - aClipRange, true, true); - nPolyCount = ensureGeometry(aUnitPolyPolygon); - - // re-check that we have't been clipped out to oblivion - bIsLine = - !aUnitPolyPolygon.areControlPointsUsed() - && 1 == nPolyCount - && 2 == aUnitPolyPolygon.getB2DPolygon(0).count(); + //But, see tdf#101187, only do this if our generous clip region + //would not over flow into a tiny clip region + if (nPageWidth < SAL_MAX_INT32/2 && nPageHeight < SAL_MAX_INT32/2) + { + //But, see tdf#97276 and tdf#98366. Don't clip too much if the + //underlying page dimension is unknown or a paste document + //where the page sizes use the odd default of 10x10 + nPageWidth = std::max<sal_Int32>(21000, nPageWidth); + nPageHeight = std::max<sal_Int32>(29700, nPageHeight); + basegfx::B2DRange aClipRange(-nPageWidth, -nPageHeight, + nPageWidth*2, nPageHeight*2); + + aUnitPolyPolygon = basegfx::tools::clipPolyPolygonOnRange(aUnitPolyPolygon, + aClipRange, true, true); + nPolyCount = ensureGeometry(aUnitPolyPolygon); + + // re-check that we have't been clipped out to oblivion + bIsLine = + !aUnitPolyPolygon.areControlPointsUsed() + && 1 == nPolyCount + && 2 == aUnitPolyPolygon.getB2DPolygon(0).count(); + } } if(bIsLine) |