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vcl canvas, don't draw bezier curves as straight lines (tdf#133905)

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Change-Id: I8a5029ef7aa6e8f46b13f0713445da435b47dbed
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/96209
Tested-by: Jenkins
Reviewed-by: Luboš Luňák <l.lunak@collabora.com>
This commit is contained in:
Luboš Luňák 2020-06-12 17:56:22 +02:00
parent 05d914f01f
commit 5d8f2c1eda
1 changed files with 8 additions and 21 deletions
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27
canvas/source/vcl/canvashelper.cxx
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@ -394,8 +394,6 @@ namespace vclcanvas
// user coordinates.
aStrokedPolyPoly.transform( aMatrix );
const ::tools::PolyPolygon aVCLPolyPoly( aStrokedPolyPoly );
// TODO(F2): When using alpha here, must handle that via
// temporary surface or somesuch.
@ -403,28 +401,17 @@ namespace vclcanvas
// self-intersections. Therefore, if we would render it
// via OutDev::DrawPolyPolygon(), on/off fill would
// generate off areas on those self-intersections.
sal_uInt16 nSize( aVCLPolyPoly.Count() );
for( sal_uInt16 i=0; i<nSize; ++i )
for( sal_uInt32 i=0; i<aStrokedPolyPoly.count(); ++i )
{
if( aStrokedPolyPoly.getB2DPolygon( i ).isClosed() ) {
mpOutDevProvider->getOutDev().DrawPolygon( aVCLPolyPoly[i] );
const basegfx::B2DPolygon& polygon = aStrokedPolyPoly.getB2DPolygon( i );
if( polygon.isClosed()) {
mpOutDevProvider->getOutDev().DrawPolygon( polygon );
if( mp2ndOutDevProvider )
mp2ndOutDevProvider->getOutDev().DrawPolygon( aVCLPolyPoly[i] );
mp2ndOutDevProvider->getOutDev().DrawPolygon( polygon );
} else {
const sal_uInt16 nPolySize = aVCLPolyPoly[i].GetSize();
if( nPolySize ) {
Point rPrevPoint = aVCLPolyPoly[i].GetPoint( 0 );
Point rPoint;
for( sal_uInt16 j=1; j<nPolySize; j++ ) {
rPoint = aVCLPolyPoly[i].GetPoint( j );
mpOutDevProvider->getOutDev().DrawLine( rPrevPoint, rPoint );
mpOutDevProvider->getOutDev().DrawPolyLine( polygon );
if( mp2ndOutDevProvider )
mp2ndOutDevProvider->getOutDev().DrawLine( rPrevPoint, rPoint );
rPrevPoint = rPoint;
}
}
mp2ndOutDevProvider->getOutDev().DrawPolyLine( polygon );
}
}
}