/////////////////////////////////////////////////////////////////////////////
-// File: region.cpp
+// File: src/os2/region.cpp
// Purpose: Region class
// Author: David Webster
// Modified by:
// Created: 10/15/99
// RCS-ID: $Id$
-// Copyright: (c) Davdi Webster
+// Copyright: (c) David Webster
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
-#include "wx/app.h"
+#ifndef WX_PRECOMP
+ #include "wx/app.h"
+ #include "wx/window.h"
+ #include "wx/gdicmn.h"
+#endif
+
#include "wx/os2/region.h"
-#include "wx/gdicmn.h"
-#include "wx/window.h"
#include "wx/os2/private.h"
- IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
- IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
+IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
//-----------------------------------------------------------------------------
// wxRegionRefData implementation
RGNRECT vRgnData;
PRECTL pRect = NULL;
+ vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
if (::GpiQueryRegionRects( rData.m_hPS // Pres space
,rData.m_hRegion // Handle of region to query
,NULL // Return all RECTs
}
}
- ~wxRegionRefData()
+ virtual ~wxRegionRefData()
{
::GpiDestroyRegion(m_hPS, m_hRegion);
}
};
#define M_REGION (((wxRegionRefData*)m_refData)->m_hRegion)
+#define M_REGION_OF(rgn) (((wxRegionRefData*)(rgn.m_refData))->m_hRegion)
//-----------------------------------------------------------------------------
// wxRegion
//-----------------------------------------------------------------------------
+// General remark:
+// wxRegion is always basically stored in wx coordinates. However, since
+// OS/2's internal functions rely on "top > bottom", the values of top and
+// bottom values of a region need to be interchanged, as compared to wx.
+// This needs to be taken into account when feeding any rectangle to wx _or_
+// when accessing the region data via GetBox, wxRegionIterator or otherwise.
+
/*!
* Create an empty region.
*/
vRect.xLeft = rTopLeft.x;
vRect.xRight = rBottomRight.x;
- vRect.yBottom = rBottomRight.y;
- vRect.yTop = rTopLeft.y;
+ vRect.yBottom = rTopLeft.y;
+ vRect.yTop = rBottomRight.y;
m_refData = new wxRegionRefData;
//# Modify region
//-----------------------------------------------------------------------------
-bool wxRegion::Offset(
- wxCoord x
-, wxCoord y
-)
+bool wxRegion::DoOffset( wxCoord x, wxCoord y )
{
if ( !x && !y )
{
// nothing to do
- return TRUE;
+ return true;
}
AllocExclusive();
{
wxLogLastError(_T("OffsetRgn"));
- return FALSE;
+ return false;
}
#endif
- return TRUE;
+ return true;
}
//
} // end of wxRegion::Clear
//
-// Combine rectangle (x, y, w, h) with this.
+// Union region with this.
//
-bool wxRegion::Combine(
- wxCoord x
-, wxCoord y
-, wxCoord vWidth
-, wxCoord vHeight
-, wxRegionOp eOp
-)
+bool wxRegion::DoCombine( const wxRegion& rRegion, wxRegionOp eOp )
{
- AllocExclusive();
-
//
- // If ref count is 1, that means it's 'ours' anyway so no action.
+ // We can't use the API functions if we don't have a valid region handle
//
- RECTL vRect;
-
- vRect.xLeft = x;
- vRect.xRight = x + vWidth;
- vRect.yBottom = y;
- vRect.yTop = y + vHeight;
-
- HRGN hRgn = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
- ,1
- ,&vRect
- );
- LONG lMode = 0L;
-
- switch (eOp)
+ if (!m_refData)
{
- case wxRGN_AND:
- lMode = CRGN_AND;
- break;
-
- case wxRGN_OR:
- lMode = CRGN_OR;
- break;
-
- case wxRGN_XOR:
- lMode = CRGN_XOR;
- break;
-
- case wxRGN_DIFF:
- lMode = CRGN_DIFF;
- break;
-
- case wxRGN_COPY:
- default:
- lMode = CRGN_COPY;
- break;
+ // combining with an empty/invalid region works differently depending
+ // on the operation
+ switch (eOp)
+ {
+ case wxRGN_COPY:
+ case wxRGN_OR:
+ case wxRGN_XOR:
+ *this = rRegion;
+ break;
+
+ default:
+ wxFAIL_MSG( _T("unknown region operation") );
+ // fall through
+
+ case wxRGN_AND:
+ case wxRGN_DIFF:
+ // leave empty/invalid
+ return false;
+ }
}
- bool bSuccess = ::GpiCombineRegion( ((wxRegionRefData*)m_refData)->m_hPS
- ,M_REGION
- ,M_REGION
- ,hRgn
- ,lMode
- );
- ::GpiDestroyRegion ( ((wxRegionRefData*)m_refData)->m_hPS
- ,hRgn
- );
-
- return bSuccess;
-} // end of wxRegion::Combine
-
-//
-// Union region with this.
-//
-bool wxRegion::Combine(
- const wxRegion& rRegion
-, wxRegionOp eOp
-)
-{
- if (rRegion.Empty())
- return FALSE;
-
- AllocExclusive();
+ else // we have a valid region
+ {
- LONG lMode = 0;
+ LONG lMode = 0;
- switch (eOp)
- {
- case wxRGN_AND:
- lMode = CRGN_AND;
- break;
-
- case wxRGN_OR:
- lMode = CRGN_OR;
- break;
-
- case wxRGN_XOR:
- lMode = CRGN_XOR;
- break;
-
- case wxRGN_DIFF:
- lMode = CRGN_DIFF;
- break;
-
- case wxRGN_COPY:
- default:
- lMode = CRGN_COPY;
- break;
+ switch (eOp)
+ {
+ case wxRGN_AND:
+ lMode = CRGN_AND;
+ break;
+
+ case wxRGN_OR:
+ lMode = CRGN_OR;
+ break;
+
+ case wxRGN_XOR:
+ lMode = CRGN_XOR;
+ break;
+
+ case wxRGN_DIFF:
+ lMode = CRGN_DIFF;
+ break;
+
+ case wxRGN_COPY:
+ default:
+ lMode = CRGN_COPY;
+ break;
+ }
+ return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
+ ,M_REGION
+ ,M_REGION
+ ,((wxRegionRefData*)rRegion.m_refData)->m_hRegion
+ ,lMode
+ ) != RGN_ERROR);
}
- return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
- ,M_REGION
- ,M_REGION
- ,((wxRegionRefData*)rRegion.m_refData)->m_hRegion
- ,lMode
- ) != RGN_ERROR);
-} // end of wxRegion::Combine
-
-bool wxRegion::Combine(
- const wxRect& rRect
-, wxRegionOp eOp
-)
-{
- return Combine( rRect.GetLeft()
- ,rRect.GetTop()
- ,rRect.GetWidth()
- ,rRect.GetHeight()
- ,eOp
- );
+ return true;
} // end of wxRegion::Combine
//-----------------------------------------------------------------------------
//# Information on region
//-----------------------------------------------------------------------------
+bool wxRegion::DoIsEqual(const wxRegion& WXUNUSED(region)) const
+{
+ return false;
+}
+
//
// Outer bounds of region
//
-void wxRegion::GetBox(
+bool wxRegion::DoGetBox(
wxCoord& x
, wxCoord& y
, wxCoord& vWidth
y = vRect.yBottom;
vWidth = vRect.xRight - vRect.xLeft;
vHeight = vRect.yTop - vRect.yBottom;
+ return true;
}
else
{
x = y = vWidth = vHeight = 0L;
+ return false;
}
} // end of wxRegion::GetBox
-wxRect wxRegion::GetBox() const
-{
- wxCoord x, y, w, h;
- GetBox(x, y, w, h);
- return wxRect(x, y, w, h);
-}
-
//
// Is region empty?
//
-bool wxRegion::Empty() const
+bool wxRegion::IsEmpty() const
{
- wxCoord x;
- wxCoord y;
- wxCoord vWidth;
- wxCoord vHeight;
+ wxCoord x;
+ wxCoord y;
+ wxCoord vWidth;
+ wxCoord vHeight;
if (M_REGION == 0)
- return TRUE;
+ return true;
GetBox( x
,y
,vHeight
);
return ((vWidth == 0) && (vHeight == 0));
-} // end of wxRegion::Empty
+} // end of wxRegion::IsEmpty
//-----------------------------------------------------------------------------
// Tests
//-----------------------------------------------------------------------------
-
-//
-// Does the region contain the point (x,y)?
-wxRegionContain wxRegion::Contains(
- wxCoord x
-, wxCoord y
-) const
-{
- bool bOK = FALSE;
- POINTL vPoint;
-
- vPoint.x = x;
- vPoint.y = y;
-
- if (!m_refData)
- return wxOutRegion;
-
- LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
- ,M_REGION
- ,&vPoint
- );
- if (lInside == PRGN_INSIDE)
- return wxInRegion;
- return wxOutRegion;
-} // end of wxRegion::Contains
-
//
// Does the region contain the point pt?
//
-wxRegionContain wxRegion::Contains(
- const wxPoint& rPoint
-) const
+wxRegionContain wxRegion::DoContainsPoint( wxCoord x, wxCoord y ) const
{
- POINTL vPoint = { rPoint.x, rPoint.y };
+ POINTL vPoint = { x, y };
if (!m_refData)
return wxOutRegion;
- LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
- ,M_REGION
- ,&vPoint
- );
+ LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS,
+ M_REGION,
+ &vPoint
+ );
if (lInside == PRGN_INSIDE)
return wxInRegion;
else
//
// Does the region contain the rectangle (x, y, w, h)?
//
-wxRegionContain wxRegion::Contains(
- wxCoord x
-, wxCoord y
-, wxCoord vWidth
-, wxCoord vHeight
-) const
+wxRegionContain wxRegion::DoContainsRect(const wxRect& rect) const
{
- RECTL vRect;
-
if (!m_refData)
return wxOutRegion;
- vRect.xLeft = x;
- vRect.yTop = y;
- vRect.xRight = x + vWidth;
- vRect.yBottom = y + vHeight;
-
- if (PRGN_INSIDE == ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS
- ,M_REGION
- ,&vRect
- ))
- return wxInRegion;
- else
- return wxOutRegion;
-} // end of wxRegion::Contains
-
-//
-// Does the region contain the rectangle rect
-//
-wxRegionContain wxRegion::Contains(
- const wxRect& rRect
-) const
-{
- if (!m_refData)
- return wxOutRegion;
+ RECTL vRect;
+ vRect.xLeft = rect.x;
+ vRect.xRight = rect.x + rect.width;
+ vRect.yTop = rect.y + rect.height;
+ vRect.yBottom = rect.y;
+
+ LONG lInside = ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS,
+ M_REGION,
+ &vRect
+ );
+ switch (lInside)
+ {
+ case RRGN_INSIDE : return wxInRegion;
+ case RRGN_PARTIAL : return wxPartRegion;
+ case RRGN_ERROR :
+ default : return wxOutRegion;
+ }
- wxCoord x;
- wxCoord y;
- wxCoord vWidth;
- wxCoord vHeight;
-
- x = rRect.x;
- y = rRect.y;
- vWidth = rRect.GetWidth();
- vHeight = rRect.GetHeight();
- return Contains( x
- ,y
- ,vWidth
- ,vHeight
- );
} // end of wxRegion::Contains
//
RGNRECT vRgnData;
PRECTL pRect = NULL;
+ vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
,((wxRegionRefData*)m_refData)->m_hRegion
,NULL
)
{
m_lCurrent = 0;
+ m_lNumRects = 0;
m_vRegion = rRegion;
if (m_pRects)
RGNRECT vRgnData;
PRECTL pRect;
+ vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space
,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of region to query
,NULL // Return all RECTs
,pRect // Will contain the actual RECTS
))
{
+#if 0
M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
,vRgnData.crcReturned
,pRect
);
+#endif
for( LONG i = 0; i < m_lNumRects; i++)
{
m_pRects[i].x = pRect[i].xLeft;
m_pRects[i].y = pRect[i].yBottom;
m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom;
}
+#if 0
((wxRegionRefData*)m_refData)->m_hPS = ((wxRegionRefData*)rRegion.m_refData)->m_hPS;
+#endif
}
}
}
return m_pRects[m_lCurrent].height;
return 0L;
} // end of wxRegionIterator::GetH
-
projects / wxWidgets.git / blobdiff