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Fix AddLineToPoint() if no current point is set (macOS)

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AddLineToPoint() should behave as MoveToPoint() if there is no current point.

See #18111.
This commit is contained in:
Artur Wieczorek
2018-07-02 20:32:29 +02:00
parent f258dc4c64
commit 8349c4bf7f
1 changed files with 10 additions and 1 deletions
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9
src/osx/carbon/graphics.cpp
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@@ -1164,7 +1164,16 @@ void wxMacCoreGraphicsPathData::MoveToPoint( wxDouble x1 , wxDouble y1 )
void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 ) void wxMacCoreGraphicsPathData::AddLineToPoint( wxDouble x1 , wxDouble y1 )
{ {
// This function should behave as MoveToPoint if current point is not yet set
// (CGPathAddLineToPoint requires non-empty path).
if ( CGPathIsEmpty(m_path) )
{
MoveToPoint(x1, y1);
}
else
{
CGPathAddLineToPoint( m_path , NULL , (CGFloat) x1 , (CGFloat) y1 ); CGPathAddLineToPoint( m_path , NULL , (CGFloat) x1 , (CGFloat) y1 );
}
} }
void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y ) void wxMacCoreGraphicsPathData::AddCurveToPoint( wxDouble cx1, wxDouble cy1, wxDouble cx2, wxDouble cy2, wxDouble x, wxDouble y )