[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;
        m_hPS     = 0;
    }

    wxRegionRefData(const wxRegionRefData& rData)
    {
        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
                                  ,&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)
#define M_REGION_OF(rgn) (((wxRegionRefData*)(rgn.m_refData))->m_hRegion)

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

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

wxRegion::wxRegion(
  WXHRGN                            hRegion,
  WXHDC                             hPS
)
{
    m_refData = new wxRegionRefData;
    M_REGION = (HRGN) hRegion;
    (((wxRegionRefData*)m_refData)->m_hPS) = hPS;
} // 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

wxObjectRefData *wxRegion::CreateData() const
{
    return new wxRegionRefData;
}

wxObjectRefData *wxRegion::CloneData(const wxObjectRefData *data) const
{
    return new wxRegionRefData(*(wxRegionRefData *)data);
}

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

bool wxRegion::Offset(
  wxCoord                           x
, wxCoord                           y
)
{
    if ( !x && !y )
    {
        // nothing to do
        return TRUE;
    }

    AllocExclusive();

#if 0
    if ( ::OffsetRgn(GetHrgn(), x, y) == ERROR )
    {
        wxLogLastError(_T("OffsetRgn"));

        return FALSE;
    }
#endif
    return TRUE;
}

//
// 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
)
{
    return Combine(wxRegion(x, y, vWidth, vHeight), eOp);
} // end of wxRegion::Combine

//
// Union region with this.
//
bool wxRegion::Combine(
  const wxRegion&                   rRegion
, wxRegionOp                        eOp
)
{
    //
    // We can't use the API functions if we don't have a valid region handle
    //
    if (!m_refData)
    {
        // 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;
        }
    }
    else // we have a valid region
    {

        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);
    }
    return TRUE;
} // 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;
        APIRET                      rc;

        rc = ::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS
                            ,M_REGION
                            ,&vRect
                           );
        x       = vRect.xLeft;
        y       = vRect.yBottom;
        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
{
    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;

    vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
    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_lNumRects = 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;

        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
                                  ,&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
                                     ))
            {
#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].width  = pRect[i].xRight - 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
            }
        }
    }
} // 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
19193a2c	7	// RCS-ID: $Id$
409c9842	8	// Copyright: (c) Davdi Webster
65571936	9	// Licence: wxWindows licence
0e320a79 DW	10	/////////////////////////////////////////////////////////////////////////////
0e320a79 DW	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
19193a2c KB	22	IMPLEMENT_DYNAMIC_CLASS(wxRegion, wxGDIObject)
19193a2c KB	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;
19193a2c	34	m_hPS = 0;
409c9842	35	}
0e320a79	36
8d854fa9	37	wxRegionRefData(const wxRegionRefData& rData)
409c9842	38	{
8d854fa9 DW	39	RGNRECT vRgnData;
	40	PRECTL pRect = NULL;
	41
53e8757b	42	vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
8d854fa9 DW	43	if (::GpiQueryRegionRects( rData.m_hPS // Pres space
	44	,rData.m_hRegion // Handle of region to query
	45	,NULL // Return all RECTs
	46	,&vRgnData // Will contain number or RECTs in region
	47	,NULL // NULL to return number of RECTs
	48	))
	49	{
	50	pRect = new RECTL[vRgnData.crcReturned];
	51	vRgnData.crc = vRgnData.crcReturned;
	52	vRgnData.ircStart = 1;
	53	if (::GpiQueryRegionRects( rData.m_hPS // Pres space of source
	54	,rData.m_hRegion // Handle of source region
	55	,NULL // Return all RECTs
	56	,&vRgnData // Operations set to return rects
	57	,pRect // Will contain the actual RECTS
	58	))
	59	{
	60	m_hRegion = ::GpiCreateRegion( rData.m_hPS
	61	,vRgnData.crcReturned
	62	,pRect
	63	);
	64	m_hPS = rData.m_hPS;
	65	}
	66	delete [] pRect;
	67	}
409c9842	68	}
0e320a79	69
409c9842 DW	70	~wxRegionRefData()
409c9842 DW	71	{
8d854fa9	72	::GpiDestroyRegion(m_hPS, m_hRegion);
409c9842	73	}
04701dd9	74
8d854fa9 DW	75	HRGN m_hRegion;
8d854fa9 DW	76	HPS m_hPS;
0e320a79 DW	77	};
0e320a79 DW	78
8d854fa9	79	#define M_REGION (((wxRegionRefData*)m_refData)->m_hRegion)
6ed98c6a	80	#define M_REGION_OF(rgn) (((wxRegionRefData*)(rgn.m_refData))->m_hRegion)
0e320a79 DW	81
	82	//-----------------------------------------------------------------------------
	83	// wxRegion
	84	//-----------------------------------------------------------------------------
	85
	86	/*!
	87	* Create an empty region.
	88	*/
	89	wxRegion::wxRegion()
	90	{
	91	m_refData = new wxRegionRefData;
8d854fa9	92	} // end of wxRegion::wxRegion
0e320a79	93
8d854fa9	94	wxRegion::wxRegion(
19193a2c KB	95	WXHRGN hRegion,
19193a2c KB	96	WXHDC hPS
8d854fa9	97	)
409c9842 DW	98	{
	99	m_refData = new wxRegionRefData;
	100	M_REGION = (HRGN) hRegion;
19193a2c	101	(((wxRegionRefData*)m_refData)->m_hPS) = hPS;
8d854fa9 DW	102	} // end of wxRegion::wxRegion
	103
	104	wxRegion::wxRegion(
	105	wxCoord x
	106	, wxCoord y
	107	, wxCoord vWidth
	108	, wxCoord vHeight
	109	)
0e320a79	110	{
8d854fa9 DW	111	RECTL vRect;
	112	SIZEL vSize = {0, 0};
	113	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	114	HDC hDC = ::DevOpenDC( vHabmain
	115	,OD_MEMORY
	116	,"*"
	117	,5L
	118	,(PDEVOPENDATA)&vDop
	119	,NULLHANDLE
	120	);
	121
	122
	123	vRect.xLeft = x;
	124	vRect.xRight = x + vWidth;
	125	vRect.yBottom = y;
	126	vRect.yTop = y + vHeight;
	127
	128	m_refData = new wxRegionRefData;
	129
	130	//
	131	// Need a PS to create a Region
	132	//
	133	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	134	,hDC
	135	,&vSize
	136	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	137	);
	138	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	139	,1
	140	,&vRect
	141	);
	142	} // end of wxRegion::wxRegion
	143
	144	wxRegion::wxRegion(
	145	const wxPoint& rTopLeft
	146	, const wxPoint& rBottomRight
	147	)
0e320a79	148	{
8d854fa9 DW	149	RECTL vRect;
	150	SIZEL vSize = {0, 0};
	151	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	152	HDC hDC = ::DevOpenDC( vHabmain
	153	,OD_MEMORY
	154	,"*"
	155	,5L
	156	,(PDEVOPENDATA)&vDop
	157	,NULLHANDLE
	158	);
	159
	160	vRect.xLeft = rTopLeft.x;
	161	vRect.xRight = rBottomRight.x;
	162	vRect.yBottom = rBottomRight.y;
	163	vRect.yTop = rTopLeft.y;
	164
	165	m_refData = new wxRegionRefData;
	166
	167	//
	168	// Need a PS to create a Region
	169	//
	170	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	171	,hDC
	172	,&vSize
	173	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	174	);
	175	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	176	,1
	177	,&vRect
	178	);
	179	} // end of wxRegion::wxRegion
	180
	181	wxRegion::wxRegion(
	182	const wxRect& rRect
	183	)
0e320a79	184	{
8d854fa9 DW	185	RECTL vRect;
	186	SIZEL vSize = {0, 0};
	187	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	188	HDC hDC = ::DevOpenDC( vHabmain
	189	,OD_MEMORY
	190	,"*"
	191	,5L
	192	,(PDEVOPENDATA)&vDop
	193	,NULLHANDLE
	194	);
	195
	196
	197	vRect.xLeft = rRect.x;
	198	vRect.xRight = rRect.x + rRect.width;
	199	vRect.yBottom = rRect.y;
	200	vRect.yTop = rRect.y + rRect.height;
	201
	202	m_refData = new wxRegionRefData;
	203
	204	//
	205	// Need a PS to create a Region
	206	//
	207	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	208	,hDC
	209	,&vSize
	210	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	211	);
	212	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	213	,1
	214	,&vRect
	215	);
	216	} // end of wxRegion::wxRegion
	217
	218	//
	219	// Destroy the region.
	220	//
0e320a79 DW	221	wxRegion::~wxRegion()
0e320a79 DW	222	{
8d854fa9	223	} // end of wxRegion::~wxRegion
0e320a79	224
58238121 DW	225	wxObjectRefData *wxRegion::CreateData() const
	226	{
	227	return new wxRegionRefData;
	228	}
	229
70b7bcd1	230	wxObjectRefData wxRegion::CloneData(const wxObjectRefData data) const
58238121 DW	231	{
	232	return new wxRegionRefData((wxRegionRefData )data);
	233	}
	234
0e320a79 DW	235	//-----------------------------------------------------------------------------
	236	//# Modify region
	237	//-----------------------------------------------------------------------------
	238
58238121 DW	239	bool wxRegion::Offset(
	240	wxCoord x
	241	, wxCoord y
	242	)
	243	{
	244	if ( !x && !y )
	245	{
	246	// nothing to do
	247	return TRUE;
	248	}
	249
	250	AllocExclusive();
	251
	252	#if 0
	253	if ( ::OffsetRgn(GetHrgn(), x, y) == ERROR )
	254	{
	255	wxLogLastError(_T("OffsetRgn"));
	256
	257	return FALSE;
	258	}
	259	#endif
	260	return TRUE;
	261	}
	262
8d854fa9 DW	263	//
	264	// Clear current region
	265	//
0e320a79 DW	266	void wxRegion::Clear()
	267	{
	268	UnRef();
8d854fa9 DW	269	} // end of wxRegion::Clear
	270
	271	//
	272	// Combine rectangle (x, y, w, h) with this.
	273	//
	274	bool wxRegion::Combine(
	275	wxCoord x
	276	, wxCoord y
	277	, wxCoord vWidth
	278	, wxCoord vHeight
	279	, wxRegionOp eOp
	280	)
0e320a79	281	{
6ed98c6a	282	return Combine(wxRegion(x, y, vWidth, vHeight), eOp);
8d854fa9 DW	283	} // end of wxRegion::Combine
	284
	285	//
	286	// Union region with this.
	287	//
	288	bool wxRegion::Combine(
	289	const wxRegion& rRegion
	290	, wxRegionOp eOp
	291	)
0e320a79	292	{
6ed98c6a DW	293	//
	294	// We can't use the API functions if we don't have a valid region handle
	295	//
	296	if (!m_refData)
	297	{
	298	// combining with an empty/invalid region works differently depending
	299	// on the operation
	300	switch (eOp)
	301	{
	302	case wxRGN_COPY:
	303	case wxRGN_OR:
	304	case wxRGN_XOR:
	305	*this = rRegion;
	306	break;
	307
	308	default:
	309	wxFAIL_MSG( _T("unknown region operation") );
	310	// fall through
	311
	312	case wxRGN_AND:
	313	case wxRGN_DIFF:
	314	// leave empty/invalid
	315	return FALSE;
	316	}
	317	}
	318	else // we have a valid region
	319	{
0e320a79	320
6ed98c6a	321	LONG lMode = 0;
8d854fa9	322
6ed98c6a DW	323	switch (eOp)
	324	{
	325	case wxRGN_AND:
	326	lMode = CRGN_AND;
	327	break;
	328
	329	case wxRGN_OR:
	330	lMode = CRGN_OR;
	331	break;
	332
	333	case wxRGN_XOR:
	334	lMode = CRGN_XOR;
	335	break;
	336
	337	case wxRGN_DIFF:
	338	lMode = CRGN_DIFF;
	339	break;
	340
	341	case wxRGN_COPY:
	342	default:
	343	lMode = CRGN_COPY;
	344	break;
	345	}
	346	return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	347	,M_REGION
	348	,M_REGION
	349	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion
	350	,lMode
	351	) != RGN_ERROR);
0e320a79	352	}
6ed98c6a	353	return TRUE;
8d854fa9 DW	354	} // end of wxRegion::Combine
	355
	356	bool wxRegion::Combine(
	357	const wxRect& rRect
	358	, wxRegionOp eOp
	359	)
0e320a79	360	{
8d854fa9 DW	361	return Combine( rRect.GetLeft()
	362	,rRect.GetTop()
	363	,rRect.GetWidth()
	364	,rRect.GetHeight()
	365	,eOp
	366	);
	367	} // end of wxRegion::Combine
0e320a79 DW	368
	369	//-----------------------------------------------------------------------------
	370	//# Information on region
	371	//-----------------------------------------------------------------------------
	372
8d854fa9	373	//
0e320a79	374	// Outer bounds of region
8d854fa9 DW	375	//
	376	void wxRegion::GetBox(
	377	wxCoord& x
	378	, wxCoord& y
	379	, wxCoord& vWidth
	380	, wxCoord& vHeight
	381	) const
0e320a79	382	{
8d854fa9 DW	383	if (m_refData)
	384	{
	385	RECTL vRect;
19193a2c	386	APIRET rc;
8d854fa9	387
19193a2c	388	rc = ::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS
8d854fa9 DW	389	,M_REGION
	390	,&vRect
	391	);
	392	x = vRect.xLeft;
4a46a5df	393	y = vRect.yBottom;
8d854fa9 DW	394	vWidth = vRect.xRight - vRect.xLeft;
8d854fa9 DW	395	vHeight = vRect.yTop - vRect.yBottom;
409c9842	396	}
8d854fa9 DW	397	else
	398	{
	399	x = y = vWidth = vHeight = 0L;
	400	}
	401	} // end of wxRegion::GetBox
0e320a79 DW	402
	403	wxRect wxRegion::GetBox() const
	404	{
0b7e7739	405	wxCoord x, y, w, h;
0e320a79 DW	406	GetBox(x, y, w, h);
	407	return wxRect(x, y, w, h);
	408	}
	409
8d854fa9	410	//
0e320a79	411	// Is region empty?
8d854fa9	412	//
0e320a79 DW	413	bool wxRegion::Empty() const
0e320a79 DW	414	{
8d854fa9 DW	415	wxCoord x;
	416	wxCoord y;
	417	wxCoord vWidth;
	418	wxCoord vHeight;
	419
	420	if (M_REGION == 0)
	421	return TRUE;
	422
	423	GetBox( x
	424	,y
	425	,vWidth
	426	,vHeight
	427	);
	428	return ((vWidth == 0) && (vHeight == 0));
	429	} // end of wxRegion::Empty
0e320a79 DW	430
0e320a79 DW	431	//-----------------------------------------------------------------------------
8d854fa9	432	// Tests
0e320a79 DW	433	//-----------------------------------------------------------------------------
0e320a79 DW	434
8d854fa9	435	//
0e320a79	436	// Does the region contain the point (x,y)?
8d854fa9 DW	437	wxRegionContain wxRegion::Contains(
	438	wxCoord x
	439	, wxCoord y
	440	) const
0e320a79	441	{
8d854fa9 DW	442	POINTL vPoint;
	443
	444	vPoint.x = x;
	445	vPoint.y = y;
	446
409c9842 DW	447	if (!m_refData)
409c9842 DW	448	return wxOutRegion;
0e320a79	449
8d854fa9 DW	450	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	451	,M_REGION
	452	,&vPoint
	453	);
	454	if (lInside == PRGN_INSIDE)
0e320a79 DW	455	return wxInRegion;
0e320a79 DW	456	return wxOutRegion;
8d854fa9	457	} // end of wxRegion::Contains
0e320a79	458
8d854fa9	459	//
0e320a79	460	// Does the region contain the point pt?
8d854fa9 DW	461	//
	462	wxRegionContain wxRegion::Contains(
	463	const wxPoint& rPoint
	464	) const
0e320a79	465	{
8d854fa9 DW	466	POINTL vPoint = { rPoint.x, rPoint.y };
8d854fa9 DW	467
409c9842 DW	468	if (!m_refData)
409c9842 DW	469	return wxOutRegion;
0e320a79	470
8d854fa9 DW	471	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	472	,M_REGION
	473	,&vPoint
	474	);
	475	if (lInside == PRGN_INSIDE)
0e320a79 DW	476	return wxInRegion;
	477	else
	478	return wxOutRegion;
8d854fa9	479	} // end of wxRegion::Contains
0e320a79	480
8d854fa9	481	//
0e320a79	482	// Does the region contain the rectangle (x, y, w, h)?
8d854fa9 DW	483	//
	484	wxRegionContain wxRegion::Contains(
	485	wxCoord x
	486	, wxCoord y
	487	, wxCoord vWidth
	488	, wxCoord vHeight
	489	) const
0e320a79	490	{
8d854fa9 DW	491	RECTL vRect;
8d854fa9 DW	492
409c9842 DW	493	if (!m_refData)
409c9842 DW	494	return wxOutRegion;
0e320a79	495
8d854fa9 DW	496	vRect.xLeft = x;
	497	vRect.yTop = y;
	498	vRect.xRight = x + vWidth;
	499	vRect.yBottom = y + vHeight;
	500
	501	if (PRGN_INSIDE == ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	502	,M_REGION
	503	,&vRect
	504	))
0e320a79 DW	505	return wxInRegion;
	506	else
	507	return wxOutRegion;
8d854fa9	508	} // end of wxRegion::Contains
0e320a79	509
8d854fa9	510	//
0e320a79	511	// Does the region contain the rectangle rect
8d854fa9 DW	512	//
	513	wxRegionContain wxRegion::Contains(
	514	const wxRect& rRect
	515	) const
0e320a79	516	{
409c9842 DW	517	if (!m_refData)
409c9842 DW	518	return wxOutRegion;
0e320a79	519
8d854fa9 DW	520	wxCoord x;
	521	wxCoord y;
	522	wxCoord vWidth;
	523	wxCoord vHeight;
	524
	525	x = rRect.x;
	526	y = rRect.y;
	527	vWidth = rRect.GetWidth();
	528	vHeight = rRect.GetHeight();
	529	return Contains( x
	530	,y
	531	,vWidth
	532	,vHeight
	533	);
	534	} // end of wxRegion::Contains
	535
	536	//
409c9842	537	// Get internal region handle
8d854fa9	538	//
409c9842 DW	539	WXHRGN wxRegion::GetHRGN() const
	540	{
	541	if (!m_refData)
	542	return (WXHRGN) 0;
	543	return (WXHRGN) M_REGION;
	544	}
	545
44227537 DW	546	//
	547	// Set a new PS, this means we have to recreate the old region in the new
	548	// PS
	549	//
	550	void wxRegion::SetPS(
	551	HPS hPS
	552	)
	553	{
	554	RGNRECT vRgnData;
	555	PRECTL pRect = NULL;
	556
53e8757b	557	vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
44227537 DW	558	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	559	,((wxRegionRefData*)m_refData)->m_hRegion
	560	,NULL
	561	,&vRgnData
	562	,NULL
	563	))
	564	{
	565	pRect = new RECTL[vRgnData.crcReturned];
	566	vRgnData.crc = vRgnData.crcReturned;
	567	vRgnData.ircStart = 1;
	568	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	569	,((wxRegionRefData*)m_refData)->m_hRegion
	570	,NULL
	571	,&vRgnData
	572	,pRect
	573	))
	574	{
	575	//
	576	// First destroy the region out of the old PS
	577	// and then create it in the new and set the new to current
	578	//
	579	::GpiDestroyRegion( ((wxRegionRefData*)m_refData)->m_hPS
	580	,M_REGION
	581	);
	582	((wxRegionRefData*)m_refData)->m_hRegion = ::GpiCreateRegion( hPS
	583	,vRgnData.crcReturned
	584	,pRect
	585	);
	586	((wxRegionRefData*)m_refData)->m_hPS = hPS;
	587	}
	588	delete [] pRect;
	589	}
	590	} // end of wxRegion::SetPS
	591
0e320a79	592	///////////////////////////////////////////////////////////////////////////////
409c9842 DW	593	// //
	594	// wxRegionIterator //
	595	// //
0e320a79 DW	596	///////////////////////////////////////////////////////////////////////////////
0e320a79 DW	597
8d854fa9 DW	598	//
	599	// Initialize empty iterator
	600	//
	601	wxRegionIterator::wxRegionIterator()
	602	: m_lCurrent(0)
	603	, m_lNumRects(0)
	604	, m_pRects(NULL)
0e320a79	605	{
8d854fa9	606	} // end of wxRegionIterator::wxRegionIterator
0e320a79 DW	607
	608	wxRegionIterator::~wxRegionIterator()
	609	{
8d854fa9 DW	610	if (m_pRects)
	611	delete[] m_pRects;
	612	} // end of wxRegionIterator::~wxRegionIterator
	613
	614	//
	615	// Initialize iterator for region
	616	//
	617	wxRegionIterator::wxRegionIterator(
	618	const wxRegion& rRegion
	619	)
0e320a79	620	{
8d854fa9 DW	621	m_pRects = NULL;
	622	Reset(rRegion);
	623	} // end of wxRegionIterator::wxRegionIterator
	624
	625	//
	626	// Reset iterator for a new /e region.
	627	//
	628	void wxRegionIterator::Reset(
	629	const wxRegion& rRegion
	630	)
0e320a79	631	{
8d854fa9	632	m_lCurrent = 0;
0b483d6e	633	m_lNumRects = 0;
8d854fa9	634	m_vRegion = rRegion;
0e320a79	635
8d854fa9 DW	636	if (m_pRects)
8d854fa9 DW	637	delete[] m_pRects;
0e320a79	638
8d854fa9	639	m_pRects = NULL;
0e320a79	640
8d854fa9 DW	641	if (m_vRegion.Empty())
8d854fa9 DW	642	m_lNumRects = 0;
409c9842	643	else
0e320a79	644	{
8d854fa9 DW	645	RGNRECT vRgnData;
	646	PRECTL pRect;
	647
53e8757b	648	vRgnData.ulDirection = RECTDIR_LFRT_TOPBOT;
8d854fa9 DW	649	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space
	650	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of region to query
	651	,NULL // Return all RECTs
	652	,&vRgnData // Will contain number or RECTs in region
	653	,NULL // NULL to return number of RECTs
	654	))
	655	{
	656	pRect = new RECTL[vRgnData.crcReturned];
	657	m_pRects = new wxRect[vRgnData.crcReturned];
	658	vRgnData.crc = vRgnData.crcReturned;
	659	m_lNumRects = vRgnData.crcReturned;
	660	vRgnData.ircStart = 1;
	661	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space of source
	662	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of source region
	663	,NULL // Return all RECTs
	664	,&vRgnData // Operations set to return rects
	665	,pRect // Will contain the actual RECTS
	666	))
	667	{
53e8757b	668	#if 0
8d854fa9 DW	669	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	670	,vRgnData.crcReturned
	671	,pRect
	672	);
53e8757b	673	#endif
8d854fa9 DW	674	for( LONG i = 0; i < m_lNumRects; i++)
	675	{
	676	m_pRects[i].x = pRect[i].xLeft;
	677	m_pRects[i].width = pRect[i].xRight - pRect[i].xLeft;
	678	m_pRects[i].y = pRect[i].yBottom;
	679	m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom;
	680	}
53e8757b	681	#if 0
8d854fa9	682	((wxRegionRefData)m_refData)->m_hPS = ((wxRegionRefData)rRegion.m_refData)->m_hPS;
53e8757b	683	#endif
8d854fa9 DW	684	}
8d854fa9 DW	685	}
0e320a79	686	}
8d854fa9	687	} // end of wxRegionIterator::Reset
0e320a79	688
8d854fa9 DW	689	//
	690	// Increment iterator. The rectangle returned is the one after the
	691	// incrementation.
	692	//
	693	void wxRegionIterator::operator++ ()
0e320a79	694	{
8d854fa9 DW	695	if (m_lCurrent < m_lNumRects)
	696	++m_lCurrent;
	697	} // end of wxRegionIterator::operator ++
	698
	699	//
	700	// Increment iterator. The rectangle returned is the one before the
	701	// incrementation.
	702	//
	703	void wxRegionIterator::operator++ (int)
0e320a79	704	{
8d854fa9 DW	705	if (m_lCurrent < m_lNumRects)
	706	++m_lCurrent;
	707	} // end of wxRegionIterator::operator++
0e320a79	708
0b7e7739	709	wxCoord wxRegionIterator::GetX() const
0e320a79	710	{
8d854fa9 DW	711	if (m_lCurrent < m_lNumRects)
	712	return m_pRects[m_lCurrent].x;
	713	return 0L;
	714	} // end of wxRegionIterator::GetX
0e320a79	715
0b7e7739	716	wxCoord wxRegionIterator::GetY() const
0e320a79	717	{
8d854fa9 DW	718	if (m_lCurrent < m_lNumRects)
	719	return m_pRects[m_lCurrent].y;
	720	return 0L;
	721	} // end of wxRegionIterator::GetY
0e320a79	722
0b7e7739	723	wxCoord wxRegionIterator::GetW() const
0e320a79	724	{
8d854fa9 DW	725	if (m_lCurrent < m_lNumRects)
	726	return m_pRects[m_lCurrent].width ;
	727	return 0L;
	728	} // end of wxRegionIterator::GetW
0e320a79	729
0b7e7739	730	wxCoord wxRegionIterator::GetH() const
0e320a79	731	{
8d854fa9 DW	732	if (m_lCurrent < m_lNumRects)
	733	return m_pRects[m_lCurrent].height;
	734	return 0L;
	735	} // end of wxRegionIterator::GetH
0e320a79	736