[wxWidgets.git] / src / os2 / region.cpp

/////////////////////////////////////////////////////////////////////////////
// File:      region.cpp
// Purpose:   Region class
// Author:    David Webster
// Modified by:
// Created:   10/15/99
// RCS-ID:	  $Id$
// Copyright: (c) Davdi Webster
// Licence:   wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#include "wx/app.h"
#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)

//-----------------------------------------------------------------------------
// wxRegionRefData implementation
//-----------------------------------------------------------------------------

class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
public:
    wxRegionRefData()
    {
        m_hRegion = 0;
    }

    wxRegionRefData(const wxRegionRefData& rData)
    {
        RGNRECT                     vRgnData;
        PRECTL                      pRect = NULL;

        if (::GpiQueryRegionRects( rData.m_hPS      // Pres space
                                  ,rData.m_hRegion  // Handle of region to query
                                  ,NULL             // Return all RECTs
                                  ,&vRgnData        // Will contain number or RECTs in region
                                  ,NULL             // NULL to return number of RECTs
                                 ))
        {
            pRect = new RECTL[vRgnData.crcReturned];
            vRgnData.crc = vRgnData.crcReturned;
            vRgnData.ircStart = 1;
            if (::GpiQueryRegionRects( rData.m_hPS     // Pres space of source
                                      ,rData.m_hRegion // Handle of source region
                                      ,NULL            // Return all RECTs
                                      ,&vRgnData       // Operations set to return rects
                                      ,pRect           // Will contain the actual RECTS
                                     ))
            {
                m_hRegion = ::GpiCreateRegion( rData.m_hPS
                                              ,vRgnData.crcReturned
                                              ,pRect
                                             );
                m_hPS = rData.m_hPS;
            }
            delete [] pRect;
        }
    }

    ~wxRegionRefData()
    {
        ::GpiDestroyRegion(m_hPS, m_hRegion);
    }

    HRGN                            m_hRegion;
    HPS                             m_hPS;
};

#define M_REGION (((wxRegionRefData*)m_refData)->m_hRegion)

//-----------------------------------------------------------------------------
// wxRegion
//-----------------------------------------------------------------------------

/*!
 * Create an empty region.
 */
wxRegion::wxRegion()
{
    m_refData = new wxRegionRefData;
} // end of wxRegion::wxRegion

wxRegion::wxRegion(
  WXHRGN                            hRegion
)
{
    m_refData = new wxRegionRefData;
    M_REGION = (HRGN) hRegion;
} // end of wxRegion::wxRegion

wxRegion::wxRegion(
  wxCoord                           x
, wxCoord                           y
, wxCoord                           vWidth
, wxCoord                           vHeight
)
{
    RECTL                           vRect;
    SIZEL                           vSize = {0, 0};
    DEVOPENSTRUC                    vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
    HDC                             hDC = ::DevOpenDC( vHabmain
                                                      ,OD_MEMORY
                                                      ,"*"
                                                      ,5L
                                                      ,(PDEVOPENDATA)&vDop
                                                      ,NULLHANDLE
                                                     );


    vRect.xLeft   = x;
    vRect.xRight  = x + vWidth;
    vRect.yBottom = y;
    vRect.yTop    = y + vHeight;

    m_refData     = new wxRegionRefData;

    //
    // Need a PS to create a Region
    //
    ((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
                                                         ,hDC
                                                         ,&vSize
                                                         ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
                                                        );
    M_REGION      = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
                                      ,1
                                      ,&vRect
                                     );
} // end of wxRegion::wxRegion

wxRegion::wxRegion(
  const wxPoint&                    rTopLeft
, const wxPoint&                    rBottomRight
)
{
    RECTL                           vRect;
    SIZEL                           vSize = {0, 0};
    DEVOPENSTRUC                    vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
    HDC                             hDC = ::DevOpenDC( vHabmain
                                                      ,OD_MEMORY
                                                      ,"*"
                                                      ,5L
                                                      ,(PDEVOPENDATA)&vDop
                                                      ,NULLHANDLE
                                                     );

    vRect.xLeft   = rTopLeft.x;
    vRect.xRight  = rBottomRight.x;
    vRect.yBottom = rBottomRight.y;
    vRect.yTop    = rTopLeft.y;

    m_refData     = new wxRegionRefData;

    //
    // Need a PS to create a Region
    //
    ((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
                                                         ,hDC
                                                         ,&vSize
                                                         ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
                                                        );
    M_REGION      = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
                                      ,1
                                      ,&vRect
                                     );
} // end of wxRegion::wxRegion

wxRegion::wxRegion(
  const wxRect&                     rRect
)
{
    RECTL                           vRect;
    SIZEL                           vSize = {0, 0};
    DEVOPENSTRUC                    vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
    HDC                             hDC = ::DevOpenDC( vHabmain
                                                      ,OD_MEMORY
                                                      ,"*"
                                                      ,5L
                                                      ,(PDEVOPENDATA)&vDop
                                                      ,NULLHANDLE
                                                     );


    vRect.xLeft   = rRect.x;
    vRect.xRight  = rRect.x + rRect.width;
    vRect.yBottom = rRect.y;
    vRect.yTop    = rRect.y + rRect.height;

    m_refData     = new wxRegionRefData;

    //
    // Need a PS to create a Region
    //
    ((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
                                                         ,hDC
                                                         ,&vSize
                                                         ,PU_PELS | GPIT_MICRO | GPIA_ASSOC
                                                        );
    M_REGION      = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
                                      ,1
                                      ,&vRect
                                     );
} // end of wxRegion::wxRegion

//
// Destroy the region.
//
wxRegion::~wxRegion()
{
} // end of wxRegion::~wxRegion

//-----------------------------------------------------------------------------
//# Modify region
//-----------------------------------------------------------------------------

//
// Clear current region
//
void wxRegion::Clear()
{
    UnRef();
} // end of wxRegion::Clear

//
// Combine rectangle (x, y, w, h) with this.
//
bool wxRegion::Combine(
  wxCoord                           x
, wxCoord                           y
, wxCoord                           vWidth
, wxCoord                           vHeight
, wxRegionOp                        eOp
)
{
    //
    // Don't change shared data
    //
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
    }
    else if (m_refData->GetRefCount() > 1)
    {
        wxRegionRefData*            pRef = (wxRegionRefData*)m_refData;

        UnRef();
        m_refData = new wxRegionRefData(*pRef);
    }

    //
    // If ref count is 1, that means it's 'ours' anyway so no action.
    //
    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)
    {
        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;
    }
    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;

    //
    // Don't change shared data
    //
    if (!m_refData)
    {
        m_refData = new wxRegionRefData();
    }
    else  if (m_refData->GetRefCount() > 1)
    {
        wxRegionRefData*            pRef = (wxRegionRefData*)m_refData;

        UnRef();
        m_refData = new wxRegionRefData(*pRef);
    }

    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;
    }
    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
                  );
} // end of wxRegion::Combine

//-----------------------------------------------------------------------------
//# Information on region
//-----------------------------------------------------------------------------

//
// Outer bounds of region
//
void wxRegion::GetBox(
  wxCoord&                          x
, wxCoord&                          y
, wxCoord&                          vWidth
, wxCoord&                          vHeight
) const
{
    if (m_refData)
    {
        RECTL                       vRect;

        ::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS
                            ,M_REGION
                            ,&vRect
                           );
        x       = vRect.xLeft;
        y       = vRect.yTop;
        vWidth  = vRect.xRight - vRect.xLeft;
        vHeight = vRect.yTop - vRect.yBottom;
    }
    else
    {
        x = y = vWidth = vHeight = 0L;
    }
} // 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
{
    wxCoord                         x;
    wxCoord                         y;
    wxCoord                         vWidth;
    wxCoord                         vHeight;

    if (M_REGION == 0)
        return TRUE;

    GetBox( x
           ,y
           ,vWidth
           ,vHeight
          );
    return ((vWidth == 0) && (vHeight == 0));
} // end of wxRegion::Empty

//-----------------------------------------------------------------------------
// 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
{
    POINTL                          vPoint = { rPoint.x, rPoint.y };

    if (!m_refData)
        return wxOutRegion;

    LONG                            lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
                                                              ,M_REGION
                                                              ,&vPoint
                                                             );
    if (lInside == PRGN_INSIDE)
        return wxInRegion;
    else
        return wxOutRegion;
} // end of wxRegion::Contains

//
// Does the region contain the rectangle (x, y, w, h)?
//
wxRegionContain wxRegion::Contains(
  wxCoord                           x
, wxCoord                           y
, wxCoord                           vWidth
, wxCoord                           vHeight
) 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;

    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

//
// Get internal region handle
//
WXHRGN wxRegion::GetHRGN() const
{
    if (!m_refData)
        return (WXHRGN) 0;
    return (WXHRGN) M_REGION;
}

//
// Set a new PS, this means we have to recreate the old region in the new
// PS
//
void wxRegion::SetPS(
  HPS                               hPS
)
{
    RGNRECT                     vRgnData;
    PRECTL                      pRect = NULL;

    if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
                              ,((wxRegionRefData*)m_refData)->m_hRegion
                              ,NULL
                              ,&vRgnData
                              ,NULL
                             ))
    {
        pRect = new RECTL[vRgnData.crcReturned];
        vRgnData.crc = vRgnData.crcReturned;
        vRgnData.ircStart = 1;
        if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
                                  ,((wxRegionRefData*)m_refData)->m_hRegion
                                  ,NULL
                                  ,&vRgnData
                                  ,pRect
                                 ))
        {
            //
            // First destroy the region out of the old PS
            // and then create it in the new and set the new to current
            //
            ::GpiDestroyRegion( ((wxRegionRefData*)m_refData)->m_hPS
                               ,M_REGION
                              );
            ((wxRegionRefData*)m_refData)->m_hRegion = ::GpiCreateRegion( hPS
                                                                         ,vRgnData.crcReturned
                                                                         ,pRect
                                                                        );
            ((wxRegionRefData*)m_refData)->m_hPS = hPS;
        }
        delete [] pRect;
    }
} // end of wxRegion::SetPS

///////////////////////////////////////////////////////////////////////////////
//                                                                           //
//                             wxRegionIterator                              //
//                                                                           //
///////////////////////////////////////////////////////////////////////////////

//
// Initialize empty iterator
//
wxRegionIterator::wxRegionIterator()
: m_lCurrent(0)
, m_lNumRects(0)
, m_pRects(NULL)
{
} // end of wxRegionIterator::wxRegionIterator

wxRegionIterator::~wxRegionIterator()
{
    if (m_pRects)
        delete[] m_pRects;
} // end of wxRegionIterator::~wxRegionIterator

//
// Initialize iterator for region
//
wxRegionIterator::wxRegionIterator(
  const wxRegion&                   rRegion
)
{
    m_pRects = NULL;
    Reset(rRegion);
} // end of wxRegionIterator::wxRegionIterator

//
// Reset iterator for a new /e region.
//
void wxRegionIterator::Reset(
  const wxRegion&                   rRegion
)
{
    m_lCurrent = 0;
    m_vRegion  = rRegion;

    if (m_pRects)
        delete[] m_pRects;

    m_pRects = NULL;

    if (m_vRegion.Empty())
        m_lNumRects = 0;
    else
    {
        RGNRECT                     vRgnData;
        PRECTL                      pRect;

        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
                                  ,&vRgnData                                        // Will contain number or RECTs in region
                                  ,NULL                                             // NULL to return number of RECTs
                                 ))
        {
            pRect = new RECTL[vRgnData.crcReturned];
            m_pRects = new wxRect[vRgnData.crcReturned];
            vRgnData.crc = vRgnData.crcReturned;
            m_lNumRects = vRgnData.crcReturned;
            vRgnData.ircStart = 1;
            if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS     // Pres space of source
                                      ,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of source region
                                      ,NULL                                             // Return all RECTs
                                      ,&vRgnData                                        // Operations set to return rects
                                      ,pRect                                            // Will contain the actual RECTS
                                     ))
            {
                M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
                                             ,vRgnData.crcReturned
                                             ,pRect
                                            );
                for( LONG i = 0; i < m_lNumRects; i++)
                {
                    m_pRects[i].x      = pRect[i].xLeft;
                    m_pRects[i].width  = pRect[i].xRight - pRect[i].xLeft;
                    m_pRects[i].y      = pRect[i].yBottom;
                    m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom;
                }
                ((wxRegionRefData*)m_refData)->m_hPS = ((wxRegionRefData*)rRegion.m_refData)->m_hPS;
            }
        }
    }
} // end of wxRegionIterator::Reset

//
// Increment iterator. The rectangle returned is the one after the
// incrementation.
//
void wxRegionIterator::operator++ ()
{
    if (m_lCurrent < m_lNumRects)
        ++m_lCurrent;
} // end of wxRegionIterator::operator ++

//
// Increment iterator. The rectangle returned is the one before the
// incrementation.
//
void wxRegionIterator::operator++ (int)
{
    if (m_lCurrent < m_lNumRects)
        ++m_lCurrent;
} // end of wxRegionIterator::operator++

wxCoord wxRegionIterator::GetX() const
{
    if (m_lCurrent < m_lNumRects)
        return m_pRects[m_lCurrent].x;
    return 0L;
} // end of wxRegionIterator::GetX

wxCoord wxRegionIterator::GetY() const
{
    if (m_lCurrent < m_lNumRects)
        return m_pRects[m_lCurrent].y;
    return 0L;
} // end of wxRegionIterator::GetY

wxCoord wxRegionIterator::GetW() const
{
    if (m_lCurrent < m_lNumRects)
        return m_pRects[m_lCurrent].width ;
    return 0L;
} // end of wxRegionIterator::GetW

wxCoord wxRegionIterator::GetH() const
{
    if (m_lCurrent < m_lNumRects)
        return m_pRects[m_lCurrent].height;
    return 0L;
} // end of wxRegionIterator::GetH
Commit	Line	Data
0e320a79 DW	1	/////////////////////////////////////////////////////////////////////////////
	2	// File: region.cpp
	3	// Purpose: Region class
409c9842 DW	4	// Author: David Webster
	5	// Modified by:
	6	// Created: 10/15/99
0e320a79	7	// RCS-ID: $Id$
409c9842	8	// Copyright: (c) Davdi Webster
0e320a79 DW	9	// Licence: wxWindows licence
	10	/////////////////////////////////////////////////////////////////////////////
	11
409c9842 DW	12	// For compilers that support precompilation, includes "wx.h".
409c9842 DW	13	#include "wx/wxprec.h"
0e320a79	14
3417f661	15	#include "wx/app.h"
409c9842	16	#include "wx/os2/region.h"
0e320a79 DW	17	#include "wx/gdicmn.h"
0e320a79 DW	18
409c9842 DW	19	#include "wx/window.h"
	20	#include "wx/os2/private.h"
	21
0e320a79 DW	22	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
0e320a79 DW	23	IMPLEMENT_DYNAMIC_CLASS(wxRegionIterator, wxObject)
0e320a79 DW	24
	25	//-----------------------------------------------------------------------------
	26	// wxRegionRefData implementation
	27	//-----------------------------------------------------------------------------
	28
	29	class WXDLLEXPORT wxRegionRefData : public wxGDIRefData {
	30	public:
409c9842 DW	31	wxRegionRefData()
409c9842 DW	32	{
8d854fa9	33	m_hRegion = 0;
409c9842	34	}
0e320a79	35
8d854fa9	36	wxRegionRefData(const wxRegionRefData& rData)
409c9842	37	{
8d854fa9 DW	38	RGNRECT vRgnData;
	39	PRECTL pRect = NULL;
	40
	41	if (::GpiQueryRegionRects( rData.m_hPS // Pres space
	42	,rData.m_hRegion // Handle of region to query
	43	,NULL // Return all RECTs
	44	,&vRgnData // Will contain number or RECTs in region
	45	,NULL // NULL to return number of RECTs
	46	))
	47	{
	48	pRect = new RECTL[vRgnData.crcReturned];
	49	vRgnData.crc = vRgnData.crcReturned;
	50	vRgnData.ircStart = 1;
	51	if (::GpiQueryRegionRects( rData.m_hPS // Pres space of source
	52	,rData.m_hRegion // Handle of source region
	53	,NULL // Return all RECTs
	54	,&vRgnData // Operations set to return rects
	55	,pRect // Will contain the actual RECTS
	56	))
	57	{
	58	m_hRegion = ::GpiCreateRegion( rData.m_hPS
	59	,vRgnData.crcReturned
	60	,pRect
	61	);
	62	m_hPS = rData.m_hPS;
	63	}
	64	delete [] pRect;
	65	}
409c9842	66	}
0e320a79	67
409c9842 DW	68	~wxRegionRefData()
409c9842 DW	69	{
8d854fa9	70	::GpiDestroyRegion(m_hPS, m_hRegion);
409c9842	71	}
04701dd9	72
8d854fa9 DW	73	HRGN m_hRegion;
8d854fa9 DW	74	HPS m_hPS;
0e320a79 DW	75	};
0e320a79 DW	76
8d854fa9	77	#define M_REGION (((wxRegionRefData*)m_refData)->m_hRegion)
0e320a79 DW	78
	79	//-----------------------------------------------------------------------------
	80	// wxRegion
	81	//-----------------------------------------------------------------------------
	82
	83	/*!
	84	* Create an empty region.
	85	*/
	86	wxRegion::wxRegion()
	87	{
	88	m_refData = new wxRegionRefData;
8d854fa9	89	} // end of wxRegion::wxRegion
0e320a79	90
8d854fa9 DW	91	wxRegion::wxRegion(
	92	WXHRGN hRegion
	93	)
409c9842 DW	94	{
	95	m_refData = new wxRegionRefData;
	96	M_REGION = (HRGN) hRegion;
8d854fa9 DW	97	} // end of wxRegion::wxRegion
	98
	99	wxRegion::wxRegion(
	100	wxCoord x
	101	, wxCoord y
	102	, wxCoord vWidth
	103	, wxCoord vHeight
	104	)
0e320a79	105	{
8d854fa9 DW	106	RECTL vRect;
	107	SIZEL vSize = {0, 0};
	108	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	109	HDC hDC = ::DevOpenDC( vHabmain
	110	,OD_MEMORY
	111	,"*"
	112	,5L
	113	,(PDEVOPENDATA)&vDop
	114	,NULLHANDLE
	115	);
	116
	117
	118	vRect.xLeft = x;
	119	vRect.xRight = x + vWidth;
	120	vRect.yBottom = y;
	121	vRect.yTop = y + vHeight;
	122
	123	m_refData = new wxRegionRefData;
	124
	125	//
	126	// Need a PS to create a Region
	127	//
	128	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	129	,hDC
	130	,&vSize
	131	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	132	);
	133	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	134	,1
	135	,&vRect
	136	);
	137	} // end of wxRegion::wxRegion
	138
	139	wxRegion::wxRegion(
	140	const wxPoint& rTopLeft
	141	, const wxPoint& rBottomRight
	142	)
0e320a79	143	{
8d854fa9 DW	144	RECTL vRect;
	145	SIZEL vSize = {0, 0};
	146	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	147	HDC hDC = ::DevOpenDC( vHabmain
	148	,OD_MEMORY
	149	,"*"
	150	,5L
	151	,(PDEVOPENDATA)&vDop
	152	,NULLHANDLE
	153	);
	154
	155	vRect.xLeft = rTopLeft.x;
	156	vRect.xRight = rBottomRight.x;
	157	vRect.yBottom = rBottomRight.y;
	158	vRect.yTop = rTopLeft.y;
	159
	160	m_refData = new wxRegionRefData;
	161
	162	//
	163	// Need a PS to create a Region
	164	//
	165	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	166	,hDC
	167	,&vSize
	168	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	169	);
	170	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	171	,1
	172	,&vRect
	173	);
	174	} // end of wxRegion::wxRegion
	175
	176	wxRegion::wxRegion(
	177	const wxRect& rRect
	178	)
0e320a79	179	{
8d854fa9 DW	180	RECTL vRect;
	181	SIZEL vSize = {0, 0};
	182	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	183	HDC hDC = ::DevOpenDC( vHabmain
	184	,OD_MEMORY
	185	,"*"
	186	,5L
	187	,(PDEVOPENDATA)&vDop
	188	,NULLHANDLE
	189	);
	190
	191
	192	vRect.xLeft = rRect.x;
	193	vRect.xRight = rRect.x + rRect.width;
	194	vRect.yBottom = rRect.y;
	195	vRect.yTop = rRect.y + rRect.height;
	196
	197	m_refData = new wxRegionRefData;
	198
	199	//
	200	// Need a PS to create a Region
	201	//
	202	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	203	,hDC
	204	,&vSize
	205	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	206	);
	207	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	208	,1
	209	,&vRect
	210	);
	211	} // end of wxRegion::wxRegion
	212
	213	//
	214	// Destroy the region.
	215	//
0e320a79 DW	216	wxRegion::~wxRegion()
0e320a79 DW	217	{
8d854fa9	218	} // end of wxRegion::~wxRegion
0e320a79 DW	219
	220	//-----------------------------------------------------------------------------
	221	//# Modify region
	222	//-----------------------------------------------------------------------------
	223
8d854fa9 DW	224	//
	225	// Clear current region
	226	//
0e320a79 DW	227	void wxRegion::Clear()
	228	{
	229	UnRef();
8d854fa9 DW	230	} // end of wxRegion::Clear
	231
	232	//
	233	// Combine rectangle (x, y, w, h) with this.
	234	//
	235	bool wxRegion::Combine(
	236	wxCoord x
	237	, wxCoord y
	238	, wxCoord vWidth
	239	, wxCoord vHeight
	240	, wxRegionOp eOp
	241	)
0e320a79	242	{
8d854fa9	243	//
409c9842	244	// Don't change shared data
8d854fa9 DW	245	//
	246	if (!m_refData)
	247	{
409c9842	248	m_refData = new wxRegionRefData();
8d854fa9 DW	249	}
	250	else if (m_refData->GetRefCount() > 1)
	251	{
	252	wxRegionRefData* pRef = (wxRegionRefData*)m_refData;
	253
409c9842	254	UnRef();
8d854fa9	255	m_refData = new wxRegionRefData(*pRef);
409c9842	256	}
8d854fa9 DW	257
8d854fa9 DW	258	//
0e320a79	259	// If ref count is 1, that means it's 'ours' anyway so no action.
8d854fa9 DW	260	//
	261	RECTL vRect;
	262
	263	vRect.xLeft = x;
	264	vRect.xRight = x + vWidth;
	265	vRect.yBottom = y;
	266	vRect.yTop = y + vHeight;
0e320a79	267
8d854fa9 DW	268	HRGN hRgn = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	269	,1
	270	,&vRect
	271	);
	272	LONG lMode = 0L;
0e320a79	273
8d854fa9	274	switch (eOp)
0e320a79 DW	275	{
0e320a79 DW	276	case wxRGN_AND:
8d854fa9 DW	277	lMode = CRGN_AND;
	278	break;
	279
0e320a79	280	case wxRGN_OR:
8d854fa9 DW	281	lMode = CRGN_OR;
	282	break;
	283
0e320a79	284	case wxRGN_XOR:
8d854fa9 DW	285	lMode = CRGN_XOR;
	286	break;
	287
0e320a79	288	case wxRGN_DIFF:
8d854fa9 DW	289	lMode = CRGN_DIFF;
	290	break;
	291
0e320a79 DW	292	case wxRGN_COPY:
0e320a79 DW	293	default:
8d854fa9 DW	294	lMode = CRGN_COPY;
8d854fa9 DW	295	break;
0e320a79	296	}
8d854fa9 DW	297	bool bSuccess = ::GpiCombineRegion( ((wxRegionRefData*)m_refData)->m_hPS
	298	,M_REGION
	299	,M_REGION
	300	,hRgn
	301	,lMode
	302	);
	303	::GpiDestroyRegion ( ((wxRegionRefData*)m_refData)->m_hPS
	304	,hRgn
	305	);
	306
	307	return bSuccess;
	308	} // end of wxRegion::Combine
	309
	310	//
	311	// Union region with this.
	312	//
	313	bool wxRegion::Combine(
	314	const wxRegion& rRegion
	315	, wxRegionOp eOp
	316	)
0e320a79	317	{
8d854fa9	318	if (rRegion.Empty())
409c9842 DW	319	return FALSE;
409c9842 DW	320
8d854fa9	321	//
409c9842	322	// Don't change shared data
8d854fa9 DW	323	//
	324	if (!m_refData)
	325	{
409c9842	326	m_refData = new wxRegionRefData();
8d854fa9 DW	327	}
	328	else if (m_refData->GetRefCount() > 1)
	329	{
	330	wxRegionRefData* pRef = (wxRegionRefData*)m_refData;
	331
409c9842	332	UnRef();
8d854fa9	333	m_refData = new wxRegionRefData(*pRef);
409c9842	334	}
0e320a79	335
8d854fa9 DW	336	LONG lMode = 0;
	337
	338	switch (eOp)
0e320a79 DW	339	{
0e320a79 DW	340	case wxRGN_AND:
8d854fa9 DW	341	lMode = CRGN_AND;
	342	break;
	343
0e320a79	344	case wxRGN_OR:
8d854fa9 DW	345	lMode = CRGN_OR;
	346	break;
	347
0e320a79	348	case wxRGN_XOR:
8d854fa9 DW	349	lMode = CRGN_XOR;
	350	break;
	351
0e320a79	352	case wxRGN_DIFF:
8d854fa9 DW	353	lMode = CRGN_DIFF;
	354	break;
	355
0e320a79 DW	356	case wxRGN_COPY:
0e320a79 DW	357	default:
8d854fa9 DW	358	lMode = CRGN_COPY;
8d854fa9 DW	359	break;
0e320a79	360	}
8d854fa9 DW	361	return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	362	,M_REGION
	363	,M_REGION
	364	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion
	365	,lMode
	366	) != RGN_ERROR);
	367	} // end of wxRegion::Combine
	368
	369	bool wxRegion::Combine(
	370	const wxRect& rRect
	371	, wxRegionOp eOp
	372	)
0e320a79	373	{
8d854fa9 DW	374	return Combine( rRect.GetLeft()
	375	,rRect.GetTop()
	376	,rRect.GetWidth()
	377	,rRect.GetHeight()
	378	,eOp
	379	);
	380	} // end of wxRegion::Combine
0e320a79 DW	381
	382	//-----------------------------------------------------------------------------
	383	//# Information on region
	384	//-----------------------------------------------------------------------------
	385
8d854fa9	386	//
0e320a79	387	// Outer bounds of region
8d854fa9 DW	388	//
	389	void wxRegion::GetBox(
	390	wxCoord& x
	391	, wxCoord& y
	392	, wxCoord& vWidth
	393	, wxCoord& vHeight
	394	) const
0e320a79	395	{
8d854fa9 DW	396	if (m_refData)
	397	{
	398	RECTL vRect;
	399
	400	::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS
	401	,M_REGION
	402	,&vRect
	403	);
	404	x = vRect.xLeft;
	405	y = vRect.yTop;
	406	vWidth = vRect.xRight - vRect.xLeft;
	407	vHeight = vRect.yTop - vRect.yBottom;
409c9842	408	}
8d854fa9 DW	409	else
	410	{
	411	x = y = vWidth = vHeight = 0L;
	412	}
	413	} // end of wxRegion::GetBox
0e320a79 DW	414
	415	wxRect wxRegion::GetBox() const
	416	{
0b7e7739	417	wxCoord x, y, w, h;
0e320a79 DW	418	GetBox(x, y, w, h);
	419	return wxRect(x, y, w, h);
	420	}
	421
8d854fa9	422	//
0e320a79	423	// Is region empty?
8d854fa9	424	//
0e320a79 DW	425	bool wxRegion::Empty() const
0e320a79 DW	426	{
8d854fa9 DW	427	wxCoord x;
	428	wxCoord y;
	429	wxCoord vWidth;
	430	wxCoord vHeight;
	431
	432	if (M_REGION == 0)
	433	return TRUE;
	434
	435	GetBox( x
	436	,y
	437	,vWidth
	438	,vHeight
	439	);
	440	return ((vWidth == 0) && (vHeight == 0));
	441	} // end of wxRegion::Empty
0e320a79 DW	442
0e320a79 DW	443	//-----------------------------------------------------------------------------
8d854fa9	444	// Tests
0e320a79 DW	445	//-----------------------------------------------------------------------------
0e320a79 DW	446
8d854fa9	447	//
0e320a79	448	// Does the region contain the point (x,y)?
8d854fa9 DW	449	wxRegionContain wxRegion::Contains(
	450	wxCoord x
	451	, wxCoord y
	452	) const
0e320a79	453	{
8d854fa9 DW	454	bool bOK = FALSE;
	455	POINTL vPoint;
	456
	457	vPoint.x = x;
	458	vPoint.y = y;
	459
409c9842 DW	460	if (!m_refData)
409c9842 DW	461	return wxOutRegion;
0e320a79	462
8d854fa9 DW	463	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	464	,M_REGION
	465	,&vPoint
	466	);
	467	if (lInside == PRGN_INSIDE)
0e320a79 DW	468	return wxInRegion;
0e320a79 DW	469	return wxOutRegion;
8d854fa9	470	} // end of wxRegion::Contains
0e320a79	471
8d854fa9	472	//
0e320a79	473	// Does the region contain the point pt?
8d854fa9 DW	474	//
	475	wxRegionContain wxRegion::Contains(
	476	const wxPoint& rPoint
	477	) const
0e320a79	478	{
8d854fa9 DW	479	POINTL vPoint = { rPoint.x, rPoint.y };
8d854fa9 DW	480
409c9842 DW	481	if (!m_refData)
409c9842 DW	482	return wxOutRegion;
0e320a79	483
8d854fa9 DW	484	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	485	,M_REGION
	486	,&vPoint
	487	);
	488	if (lInside == PRGN_INSIDE)
0e320a79 DW	489	return wxInRegion;
	490	else
	491	return wxOutRegion;
8d854fa9	492	} // end of wxRegion::Contains
0e320a79	493
8d854fa9	494	//
0e320a79	495	// Does the region contain the rectangle (x, y, w, h)?
8d854fa9 DW	496	//
	497	wxRegionContain wxRegion::Contains(
	498	wxCoord x
	499	, wxCoord y
	500	, wxCoord vWidth
	501	, wxCoord vHeight
	502	) const
0e320a79	503	{
8d854fa9 DW	504	RECTL vRect;
8d854fa9 DW	505
409c9842 DW	506	if (!m_refData)
409c9842 DW	507	return wxOutRegion;
0e320a79	508
8d854fa9 DW	509	vRect.xLeft = x;
	510	vRect.yTop = y;
	511	vRect.xRight = x + vWidth;
	512	vRect.yBottom = y + vHeight;
	513
	514	if (PRGN_INSIDE == ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	515	,M_REGION
	516	,&vRect
	517	))
0e320a79 DW	518	return wxInRegion;
	519	else
	520	return wxOutRegion;
8d854fa9	521	} // end of wxRegion::Contains
0e320a79	522
8d854fa9	523	//
0e320a79	524	// Does the region contain the rectangle rect
8d854fa9 DW	525	//
	526	wxRegionContain wxRegion::Contains(
	527	const wxRect& rRect
	528	) const
0e320a79	529	{
409c9842 DW	530	if (!m_refData)
409c9842 DW	531	return wxOutRegion;
0e320a79	532
8d854fa9 DW	533	wxCoord x;
	534	wxCoord y;
	535	wxCoord vWidth;
	536	wxCoord vHeight;
	537
	538	x = rRect.x;
	539	y = rRect.y;
	540	vWidth = rRect.GetWidth();
	541	vHeight = rRect.GetHeight();
	542	return Contains( x
	543	,y
	544	,vWidth
	545	,vHeight
	546	);
	547	} // end of wxRegion::Contains
	548
	549	//
409c9842	550	// Get internal region handle
8d854fa9	551	//
409c9842 DW	552	WXHRGN wxRegion::GetHRGN() const
	553	{
	554	if (!m_refData)
	555	return (WXHRGN) 0;
	556	return (WXHRGN) M_REGION;
	557	}
	558
44227537 DW	559	//
	560	// Set a new PS, this means we have to recreate the old region in the new
	561	// PS
	562	//
	563	void wxRegion::SetPS(
	564	HPS hPS
	565	)
	566	{
	567	RGNRECT vRgnData;
	568	PRECTL pRect = NULL;
	569
	570	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	571	,((wxRegionRefData*)m_refData)->m_hRegion
	572	,NULL
	573	,&vRgnData
	574	,NULL
	575	))
	576	{
	577	pRect = new RECTL[vRgnData.crcReturned];
	578	vRgnData.crc = vRgnData.crcReturned;
	579	vRgnData.ircStart = 1;
	580	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	581	,((wxRegionRefData*)m_refData)->m_hRegion
	582	,NULL
	583	,&vRgnData
	584	,pRect
	585	))
	586	{
	587	//
	588	// First destroy the region out of the old PS
	589	// and then create it in the new and set the new to current
	590	//
	591	::GpiDestroyRegion( ((wxRegionRefData*)m_refData)->m_hPS
	592	,M_REGION
	593	);
	594	((wxRegionRefData*)m_refData)->m_hRegion = ::GpiCreateRegion( hPS
	595	,vRgnData.crcReturned
	596	,pRect
	597	);
	598	((wxRegionRefData*)m_refData)->m_hPS = hPS;
	599	}
	600	delete [] pRect;
	601	}
	602	} // end of wxRegion::SetPS
	603
0e320a79	604	///////////////////////////////////////////////////////////////////////////////
409c9842 DW	605	// //
	606	// wxRegionIterator //
	607	// //
0e320a79 DW	608	///////////////////////////////////////////////////////////////////////////////
0e320a79 DW	609
8d854fa9 DW	610	//
	611	// Initialize empty iterator
	612	//
	613	wxRegionIterator::wxRegionIterator()
	614	: m_lCurrent(0)
	615	, m_lNumRects(0)
	616	, m_pRects(NULL)
0e320a79	617	{
8d854fa9	618	} // end of wxRegionIterator::wxRegionIterator
0e320a79 DW	619
	620	wxRegionIterator::~wxRegionIterator()
	621	{
8d854fa9 DW	622	if (m_pRects)
	623	delete[] m_pRects;
	624	} // end of wxRegionIterator::~wxRegionIterator
	625
	626	//
	627	// Initialize iterator for region
	628	//
	629	wxRegionIterator::wxRegionIterator(
	630	const wxRegion& rRegion
	631	)
0e320a79	632	{
8d854fa9 DW	633	m_pRects = NULL;
	634	Reset(rRegion);
	635	} // end of wxRegionIterator::wxRegionIterator
	636
	637	//
	638	// Reset iterator for a new /e region.
	639	//
	640	void wxRegionIterator::Reset(
	641	const wxRegion& rRegion
	642	)
0e320a79	643	{
8d854fa9 DW	644	m_lCurrent = 0;
8d854fa9 DW	645	m_vRegion = rRegion;
0e320a79	646
8d854fa9 DW	647	if (m_pRects)
8d854fa9 DW	648	delete[] m_pRects;
0e320a79	649
8d854fa9	650	m_pRects = NULL;
0e320a79	651
8d854fa9 DW	652	if (m_vRegion.Empty())
8d854fa9 DW	653	m_lNumRects = 0;
409c9842	654	else
0e320a79	655	{
8d854fa9 DW	656	RGNRECT vRgnData;
	657	PRECTL pRect;
	658
	659	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space
	660	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of region to query
	661	,NULL // Return all RECTs
	662	,&vRgnData // Will contain number or RECTs in region
	663	,NULL // NULL to return number of RECTs
	664	))
	665	{
	666	pRect = new RECTL[vRgnData.crcReturned];
	667	m_pRects = new wxRect[vRgnData.crcReturned];
	668	vRgnData.crc = vRgnData.crcReturned;
	669	m_lNumRects = vRgnData.crcReturned;
	670	vRgnData.ircStart = 1;
	671	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space of source
	672	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of source region
	673	,NULL // Return all RECTs
	674	,&vRgnData // Operations set to return rects
	675	,pRect // Will contain the actual RECTS
	676	))
	677	{
	678	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	679	,vRgnData.crcReturned
	680	,pRect
	681	);
	682	for( LONG i = 0; i < m_lNumRects; i++)
	683	{
	684	m_pRects[i].x = pRect[i].xLeft;
	685	m_pRects[i].width = pRect[i].xRight - pRect[i].xLeft;
	686	m_pRects[i].y = pRect[i].yBottom;
	687	m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom;
	688	}
	689	((wxRegionRefData)m_refData)->m_hPS = ((wxRegionRefData)rRegion.m_refData)->m_hPS;
	690	}
	691	}
0e320a79	692	}
8d854fa9	693	} // end of wxRegionIterator::Reset
0e320a79	694
8d854fa9 DW	695	//
	696	// Increment iterator. The rectangle returned is the one after the
	697	// incrementation.
	698	//
	699	void wxRegionIterator::operator++ ()
0e320a79	700	{
8d854fa9 DW	701	if (m_lCurrent < m_lNumRects)
	702	++m_lCurrent;
	703	} // end of wxRegionIterator::operator ++
	704
	705	//
	706	// Increment iterator. The rectangle returned is the one before the
	707	// incrementation.
	708	//
	709	void wxRegionIterator::operator++ (int)
0e320a79	710	{
8d854fa9 DW	711	if (m_lCurrent < m_lNumRects)
	712	++m_lCurrent;
	713	} // end of wxRegionIterator::operator++
0e320a79	714
0b7e7739	715	wxCoord wxRegionIterator::GetX() const
0e320a79	716	{
8d854fa9 DW	717	if (m_lCurrent < m_lNumRects)
	718	return m_pRects[m_lCurrent].x;
	719	return 0L;
	720	} // end of wxRegionIterator::GetX
0e320a79	721
0b7e7739	722	wxCoord wxRegionIterator::GetY() const
0e320a79	723	{
8d854fa9 DW	724	if (m_lCurrent < m_lNumRects)
	725	return m_pRects[m_lCurrent].y;
	726	return 0L;
	727	} // end of wxRegionIterator::GetY
0e320a79	728
0b7e7739	729	wxCoord wxRegionIterator::GetW() const
0e320a79	730	{
8d854fa9 DW	731	if (m_lCurrent < m_lNumRects)
	732	return m_pRects[m_lCurrent].width ;
	733	return 0L;
	734	} // end of wxRegionIterator::GetW
0e320a79	735
0b7e7739	736	wxCoord wxRegionIterator::GetH() const
0e320a79	737	{
8d854fa9 DW	738	if (m_lCurrent < m_lNumRects)
	739	return m_pRects[m_lCurrent].height;
	740	return 0L;
	741	} // end of wxRegionIterator::GetH
0e320a79	742