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BITMAP_BASE::DrawBitmap(): fix position of the clipping area when using matrix transform. 

Fixes #10525
https://gitlab.com/kicad/code/kicad/issues/10525
This commit is contained in:
jean-pierre charras 2022-01-20 16:15:39 +01:00
parent 8781f46d76
commit b084115a9e
1 changed files with 7 additions and 1 deletions
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8
common/bitmap_base.cpp
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@ -253,12 +253,16 @@ void BITMAP_BASE::DrawBitmap( wxDC* aDC, const VECTOR2I& aPos )
bool useTransform = aDC->CanUseTransformMatrix();
wxAffineMatrix2D init_matrix = aDC->GetTransformMatrix();
wxPoint clipAreaPos;
if( useTransform )
{
wxAffineMatrix2D matrix = aDC->GetTransformMatrix();
matrix.Translate( pos.x, pos.y );
matrix.Scale( GetScalingFactor(), GetScalingFactor() );
aDC->SetTransformMatrix( matrix );
clipAreaPos.x = pos.x;
clipAreaPos.y = pos.y;
pos.x = pos.y = 0;
}
else
@ -271,10 +275,12 @@ void BITMAP_BASE::DrawBitmap( wxDC* aDC, const VECTOR2I& aPos )
pos.y = KiROUND( pos.y / GetScalingFactor() );
size.x = KiROUND( size.x / GetScalingFactor() );
size.y = KiROUND( size.y / GetScalingFactor() );
clipAreaPos.x = pos.x;
clipAreaPos.y = pos.y;
}
aDC->DestroyClippingRegion();
aDC->SetClippingRegion( wxPoint( pos.x, pos.y ), size );
aDC->SetClippingRegion( clipAreaPos, size );
if( GetGRForceBlackPenState() )
{