From b0d2cd55b4d13e7c6c25dfd94fe4a2ab1f104634 Mon Sep 17 00:00:00 2001 From: Vadim Zeitlin Date: Thu, 25 May 2000 18:29:26 +0000 Subject: [PATCH] patch for bounding box initialization git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7487 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775 --- include/wx/dc.h | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-) diff --git a/include/wx/dc.h b/include/wx/dc.h index 551e35da34..e38a8a9c45 100644 --- a/include/wx/dc.h +++ b/include/wx/dc.h @@ -48,6 +48,7 @@ public: { m_clipping = FALSE; m_ok = TRUE; + m_isBBoxValid = FALSE; m_minX = m_minY = m_maxX = m_maxY = 0; @@ -400,10 +401,22 @@ public: virtual void CalcBoundingBox(wxCoord x, wxCoord y) { - if ( x < m_minX ) m_minX = x; - if ( y < m_minY ) m_minY = y; - if ( x > m_maxX ) m_maxX = x; - if ( y > m_maxY ) m_maxY = y; + if ( m_isBBoxValid ) + { + if ( x < m_minX ) m_minX = x; + if ( y < m_minY ) m_minY = y; + if ( x > m_maxX ) m_maxX = x; + if ( y > m_maxY ) m_maxY = y; + } + else + { + m_isBBoxValid = TRUE; + + m_minX = x; + m_minY = y; + m_maxX = x; + m_maxY = y; + } } // Get the final bounding box of the PostScript or Metafile picture. @@ -577,6 +590,7 @@ protected: bool m_ok:1; bool m_clipping:1; bool m_isInteractive:1; + bool m_isBBoxValid:1; // coordinate system variables