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Fixed retrieving clipping box parameters when there is no clipping region set.

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When there is no clipping region currently set then current effective clipping region is identical with entire DC surface and therefore DC size should be returned as a region size.

Closes #17013
This commit is contained in:
Artur Wieczorek
2016-07-03 22:24:30 +02:00
parent 0b8975ac18
commit 8615921f42
2 changed files with 9 additions and 4 deletions
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11
include/wx/dc.h
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@@ -445,14 +445,17 @@ public:
virtual void DoGetClippingBox(wxCoord *x, wxCoord *y,
wxCoord *w, wxCoord *h) const
{
int dcWidth, dcHeight;
DoGetSize(&dcWidth, &dcHeight);
if ( x )
*x = m_clipX1;
*x = m_clipping ? m_clipX1 : 0;
if ( y )
*y = m_clipY1;
*y = m_clipping ? m_clipY1 : 0;
if ( w )
*w = m_clipX2 - m_clipX1;
*w = m_clipping ? m_clipX2 - m_clipX1 : dcWidth;
if ( h )
*h = m_clipY2 - m_clipY1;
*h = m_clipping ? m_clipY2 - m_clipY1 : dcHeight;
}
virtual void DestroyClippingRegion() { ResetClipping(); }