[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;

        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,
  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

//-----------------------------------------------------------------------------
//# 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;
        APIRET                      rc;

        rc = ::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
19193a2c	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
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
	42	if (::GpiQueryRegionRects( rData.m_hPS // Pres space
	43	,rData.m_hRegion // Handle of region to query
	44	,NULL // Return all RECTs
	45	,&vRgnData // Will contain number or RECTs in region
	46	,NULL // NULL to return number of RECTs
	47	))
	48	{
	49	pRect = new RECTL[vRgnData.crcReturned];
	50	vRgnData.crc = vRgnData.crcReturned;
	51	vRgnData.ircStart = 1;
	52	if (::GpiQueryRegionRects( rData.m_hPS // Pres space of source
	53	,rData.m_hRegion // Handle of source region
	54	,NULL // Return all RECTs
	55	,&vRgnData // Operations set to return rects
	56	,pRect // Will contain the actual RECTS
	57	))
	58	{
	59	m_hRegion = ::GpiCreateRegion( rData.m_hPS
	60	,vRgnData.crcReturned
	61	,pRect
	62	);
	63	m_hPS = rData.m_hPS;
	64	}
	65	delete [] pRect;
	66	}
409c9842	67	}
0e320a79	68
409c9842 DW	69	~wxRegionRefData()
409c9842 DW	70	{
8d854fa9	71	::GpiDestroyRegion(m_hPS, m_hRegion);
409c9842	72	}
04701dd9	73
8d854fa9 DW	74	HRGN m_hRegion;
8d854fa9 DW	75	HPS m_hPS;
0e320a79 DW	76	};
0e320a79 DW	77
8d854fa9	78	#define M_REGION (((wxRegionRefData*)m_refData)->m_hRegion)
0e320a79 DW	79
	80	//-----------------------------------------------------------------------------
	81	// wxRegion
	82	//-----------------------------------------------------------------------------
	83
	84	/*!
	85	* Create an empty region.
	86	*/
	87	wxRegion::wxRegion()
	88	{
	89	m_refData = new wxRegionRefData;
8d854fa9	90	} // end of wxRegion::wxRegion
0e320a79	91
8d854fa9	92	wxRegion::wxRegion(
19193a2c KB	93	WXHRGN hRegion,
19193a2c KB	94	WXHDC hPS
8d854fa9	95	)
409c9842 DW	96	{
	97	m_refData = new wxRegionRefData;
	98	M_REGION = (HRGN) hRegion;
19193a2c	99	(((wxRegionRefData*)m_refData)->m_hPS) = hPS;
8d854fa9 DW	100	} // end of wxRegion::wxRegion
	101
	102	wxRegion::wxRegion(
	103	wxCoord x
	104	, wxCoord y
	105	, wxCoord vWidth
	106	, wxCoord vHeight
	107	)
0e320a79	108	{
8d854fa9 DW	109	RECTL vRect;
	110	SIZEL vSize = {0, 0};
	111	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	112	HDC hDC = ::DevOpenDC( vHabmain
	113	,OD_MEMORY
	114	,"*"
	115	,5L
	116	,(PDEVOPENDATA)&vDop
	117	,NULLHANDLE
	118	);
	119
	120
	121	vRect.xLeft = x;
	122	vRect.xRight = x + vWidth;
	123	vRect.yBottom = y;
	124	vRect.yTop = y + vHeight;
	125
	126	m_refData = new wxRegionRefData;
	127
	128	//
	129	// Need a PS to create a Region
	130	//
	131	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	132	,hDC
	133	,&vSize
	134	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	135	);
	136	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	137	,1
	138	,&vRect
	139	);
	140	} // end of wxRegion::wxRegion
	141
	142	wxRegion::wxRegion(
	143	const wxPoint& rTopLeft
	144	, const wxPoint& rBottomRight
	145	)
0e320a79	146	{
8d854fa9 DW	147	RECTL vRect;
	148	SIZEL vSize = {0, 0};
	149	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	150	HDC hDC = ::DevOpenDC( vHabmain
	151	,OD_MEMORY
	152	,"*"
	153	,5L
	154	,(PDEVOPENDATA)&vDop
	155	,NULLHANDLE
	156	);
	157
	158	vRect.xLeft = rTopLeft.x;
	159	vRect.xRight = rBottomRight.x;
	160	vRect.yBottom = rBottomRight.y;
	161	vRect.yTop = rTopLeft.y;
	162
	163	m_refData = new wxRegionRefData;
	164
	165	//
	166	// Need a PS to create a Region
	167	//
	168	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	169	,hDC
	170	,&vSize
	171	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	172	);
	173	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	174	,1
	175	,&vRect
	176	);
	177	} // end of wxRegion::wxRegion
	178
	179	wxRegion::wxRegion(
	180	const wxRect& rRect
	181	)
0e320a79	182	{
8d854fa9 DW	183	RECTL vRect;
	184	SIZEL vSize = {0, 0};
	185	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	186	HDC hDC = ::DevOpenDC( vHabmain
	187	,OD_MEMORY
	188	,"*"
	189	,5L
	190	,(PDEVOPENDATA)&vDop
	191	,NULLHANDLE
	192	);
	193
	194
	195	vRect.xLeft = rRect.x;
	196	vRect.xRight = rRect.x + rRect.width;
	197	vRect.yBottom = rRect.y;
	198	vRect.yTop = rRect.y + rRect.height;
	199
	200	m_refData = new wxRegionRefData;
	201
	202	//
	203	// Need a PS to create a Region
	204	//
	205	((wxRegionRefData*)m_refData)->m_hPS = ::GpiCreatePS( vHabmain
	206	,hDC
	207	,&vSize
	208	,PU_PELS \| GPIT_MICRO \| GPIA_ASSOC
	209	);
	210	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	211	,1
	212	,&vRect
	213	);
	214	} // end of wxRegion::wxRegion
	215
	216	//
	217	// Destroy the region.
	218	//
0e320a79 DW	219	wxRegion::~wxRegion()
0e320a79 DW	220	{
8d854fa9	221	} // end of wxRegion::~wxRegion
0e320a79 DW	222
	223	//-----------------------------------------------------------------------------
	224	//# Modify region
	225	//-----------------------------------------------------------------------------
	226
8d854fa9 DW	227	//
	228	// Clear current region
	229	//
0e320a79 DW	230	void wxRegion::Clear()
	231	{
	232	UnRef();
8d854fa9 DW	233	} // end of wxRegion::Clear
	234
	235	//
	236	// Combine rectangle (x, y, w, h) with this.
	237	//
	238	bool wxRegion::Combine(
	239	wxCoord x
	240	, wxCoord y
	241	, wxCoord vWidth
	242	, wxCoord vHeight
	243	, wxRegionOp eOp
	244	)
0e320a79	245	{
8d854fa9	246	//
409c9842	247	// Don't change shared data
8d854fa9 DW	248	//
	249	if (!m_refData)
	250	{
409c9842	251	m_refData = new wxRegionRefData();
8d854fa9 DW	252	}
	253	else if (m_refData->GetRefCount() > 1)
	254	{
	255	wxRegionRefData* pRef = (wxRegionRefData*)m_refData;
	256
409c9842	257	UnRef();
8d854fa9	258	m_refData = new wxRegionRefData(*pRef);
409c9842	259	}
8d854fa9 DW	260
8d854fa9 DW	261	//
0e320a79	262	// If ref count is 1, that means it's 'ours' anyway so no action.
8d854fa9 DW	263	//
	264	RECTL vRect;
	265
	266	vRect.xLeft = x;
	267	vRect.xRight = x + vWidth;
	268	vRect.yBottom = y;
	269	vRect.yTop = y + vHeight;
0e320a79	270
8d854fa9 DW	271	HRGN hRgn = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	272	,1
	273	,&vRect
	274	);
	275	LONG lMode = 0L;
0e320a79	276
8d854fa9	277	switch (eOp)
0e320a79 DW	278	{
0e320a79 DW	279	case wxRGN_AND:
8d854fa9 DW	280	lMode = CRGN_AND;
	281	break;
	282
0e320a79	283	case wxRGN_OR:
8d854fa9 DW	284	lMode = CRGN_OR;
	285	break;
	286
0e320a79	287	case wxRGN_XOR:
8d854fa9 DW	288	lMode = CRGN_XOR;
	289	break;
	290
0e320a79	291	case wxRGN_DIFF:
8d854fa9 DW	292	lMode = CRGN_DIFF;
	293	break;
	294
0e320a79 DW	295	case wxRGN_COPY:
0e320a79 DW	296	default:
8d854fa9 DW	297	lMode = CRGN_COPY;
8d854fa9 DW	298	break;
0e320a79	299	}
8d854fa9 DW	300	bool bSuccess = ::GpiCombineRegion( ((wxRegionRefData*)m_refData)->m_hPS
	301	,M_REGION
	302	,M_REGION
	303	,hRgn
	304	,lMode
	305	);
	306	::GpiDestroyRegion ( ((wxRegionRefData*)m_refData)->m_hPS
	307	,hRgn
	308	);
	309
	310	return bSuccess;
	311	} // end of wxRegion::Combine
	312
	313	//
	314	// Union region with this.
	315	//
	316	bool wxRegion::Combine(
	317	const wxRegion& rRegion
	318	, wxRegionOp eOp
	319	)
0e320a79	320	{
8d854fa9	321	if (rRegion.Empty())
409c9842 DW	322	return FALSE;
409c9842 DW	323
8d854fa9	324	//
409c9842	325	// Don't change shared data
8d854fa9 DW	326	//
	327	if (!m_refData)
	328	{
409c9842	329	m_refData = new wxRegionRefData();
8d854fa9 DW	330	}
	331	else if (m_refData->GetRefCount() > 1)
	332	{
	333	wxRegionRefData* pRef = (wxRegionRefData*)m_refData;
	334
409c9842	335	UnRef();
8d854fa9	336	m_refData = new wxRegionRefData(*pRef);
409c9842	337	}
0e320a79	338
8d854fa9 DW	339	LONG lMode = 0;
	340
	341	switch (eOp)
0e320a79 DW	342	{
0e320a79 DW	343	case wxRGN_AND:
8d854fa9 DW	344	lMode = CRGN_AND;
	345	break;
	346
0e320a79	347	case wxRGN_OR:
8d854fa9 DW	348	lMode = CRGN_OR;
	349	break;
	350
0e320a79	351	case wxRGN_XOR:
8d854fa9 DW	352	lMode = CRGN_XOR;
	353	break;
	354
0e320a79	355	case wxRGN_DIFF:
8d854fa9 DW	356	lMode = CRGN_DIFF;
	357	break;
	358
0e320a79 DW	359	case wxRGN_COPY:
0e320a79 DW	360	default:
8d854fa9 DW	361	lMode = CRGN_COPY;
8d854fa9 DW	362	break;
0e320a79	363	}
8d854fa9 DW	364	return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	365	,M_REGION
	366	,M_REGION
	367	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion
	368	,lMode
	369	) != RGN_ERROR);
	370	} // end of wxRegion::Combine
	371
	372	bool wxRegion::Combine(
	373	const wxRect& rRect
	374	, wxRegionOp eOp
	375	)
0e320a79	376	{
8d854fa9 DW	377	return Combine( rRect.GetLeft()
	378	,rRect.GetTop()
	379	,rRect.GetWidth()
	380	,rRect.GetHeight()
	381	,eOp
	382	);
	383	} // end of wxRegion::Combine
0e320a79 DW	384
	385	//-----------------------------------------------------------------------------
	386	//# Information on region
	387	//-----------------------------------------------------------------------------
	388
8d854fa9	389	//
0e320a79	390	// Outer bounds of region
8d854fa9 DW	391	//
	392	void wxRegion::GetBox(
	393	wxCoord& x
	394	, wxCoord& y
	395	, wxCoord& vWidth
	396	, wxCoord& vHeight
	397	) const
0e320a79	398	{
8d854fa9 DW	399	if (m_refData)
	400	{
	401	RECTL vRect;
19193a2c	402	APIRET rc;
8d854fa9	403
19193a2c	404	rc = ::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS
8d854fa9 DW	405	,M_REGION
	406	,&vRect
	407	);
	408	x = vRect.xLeft;
	409	y = vRect.yTop;
	410	vWidth = vRect.xRight - vRect.xLeft;
	411	vHeight = vRect.yTop - vRect.yBottom;
409c9842	412	}
8d854fa9 DW	413	else
	414	{
	415	x = y = vWidth = vHeight = 0L;
	416	}
	417	} // end of wxRegion::GetBox
0e320a79 DW	418
	419	wxRect wxRegion::GetBox() const
	420	{
0b7e7739	421	wxCoord x, y, w, h;
0e320a79 DW	422	GetBox(x, y, w, h);
	423	return wxRect(x, y, w, h);
	424	}
	425
8d854fa9	426	//
0e320a79	427	// Is region empty?
8d854fa9	428	//
0e320a79 DW	429	bool wxRegion::Empty() const
0e320a79 DW	430	{
8d854fa9 DW	431	wxCoord x;
	432	wxCoord y;
	433	wxCoord vWidth;
	434	wxCoord vHeight;
	435
	436	if (M_REGION == 0)
	437	return TRUE;
	438
	439	GetBox( x
	440	,y
	441	,vWidth
	442	,vHeight
	443	);
	444	return ((vWidth == 0) && (vHeight == 0));
	445	} // end of wxRegion::Empty
0e320a79 DW	446
0e320a79 DW	447	//-----------------------------------------------------------------------------
8d854fa9	448	// Tests
0e320a79 DW	449	//-----------------------------------------------------------------------------
0e320a79 DW	450
8d854fa9	451	//
0e320a79	452	// Does the region contain the point (x,y)?
8d854fa9 DW	453	wxRegionContain wxRegion::Contains(
	454	wxCoord x
	455	, wxCoord y
	456	) const
0e320a79	457	{
8d854fa9 DW	458	bool bOK = FALSE;
	459	POINTL vPoint;
	460
	461	vPoint.x = x;
	462	vPoint.y = y;
	463
409c9842 DW	464	if (!m_refData)
409c9842 DW	465	return wxOutRegion;
0e320a79	466
8d854fa9 DW	467	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	468	,M_REGION
	469	,&vPoint
	470	);
	471	if (lInside == PRGN_INSIDE)
0e320a79 DW	472	return wxInRegion;
0e320a79 DW	473	return wxOutRegion;
8d854fa9	474	} // end of wxRegion::Contains
0e320a79	475
8d854fa9	476	//
0e320a79	477	// Does the region contain the point pt?
8d854fa9 DW	478	//
	479	wxRegionContain wxRegion::Contains(
	480	const wxPoint& rPoint
	481	) const
0e320a79	482	{
8d854fa9 DW	483	POINTL vPoint = { rPoint.x, rPoint.y };
8d854fa9 DW	484
409c9842 DW	485	if (!m_refData)
409c9842 DW	486	return wxOutRegion;
0e320a79	487
8d854fa9 DW	488	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	489	,M_REGION
	490	,&vPoint
	491	);
	492	if (lInside == PRGN_INSIDE)
0e320a79 DW	493	return wxInRegion;
	494	else
	495	return wxOutRegion;
8d854fa9	496	} // end of wxRegion::Contains
0e320a79	497
8d854fa9	498	//
0e320a79	499	// Does the region contain the rectangle (x, y, w, h)?
8d854fa9 DW	500	//
	501	wxRegionContain wxRegion::Contains(
	502	wxCoord x
	503	, wxCoord y
	504	, wxCoord vWidth
	505	, wxCoord vHeight
	506	) const
0e320a79	507	{
8d854fa9 DW	508	RECTL vRect;
8d854fa9 DW	509
409c9842 DW	510	if (!m_refData)
409c9842 DW	511	return wxOutRegion;
0e320a79	512
8d854fa9 DW	513	vRect.xLeft = x;
	514	vRect.yTop = y;
	515	vRect.xRight = x + vWidth;
	516	vRect.yBottom = y + vHeight;
	517
	518	if (PRGN_INSIDE == ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	519	,M_REGION
	520	,&vRect
	521	))
0e320a79 DW	522	return wxInRegion;
	523	else
	524	return wxOutRegion;
8d854fa9	525	} // end of wxRegion::Contains
0e320a79	526
8d854fa9	527	//
0e320a79	528	// Does the region contain the rectangle rect
8d854fa9 DW	529	//
	530	wxRegionContain wxRegion::Contains(
	531	const wxRect& rRect
	532	) const
0e320a79	533	{
409c9842 DW	534	if (!m_refData)
409c9842 DW	535	return wxOutRegion;
0e320a79	536
8d854fa9 DW	537	wxCoord x;
	538	wxCoord y;
	539	wxCoord vWidth;
	540	wxCoord vHeight;
	541
	542	x = rRect.x;
	543	y = rRect.y;
	544	vWidth = rRect.GetWidth();
	545	vHeight = rRect.GetHeight();
	546	return Contains( x
	547	,y
	548	,vWidth
	549	,vHeight
	550	);
	551	} // end of wxRegion::Contains
	552
	553	//
409c9842	554	// Get internal region handle
8d854fa9	555	//
409c9842 DW	556	WXHRGN wxRegion::GetHRGN() const
	557	{
	558	if (!m_refData)
	559	return (WXHRGN) 0;
	560	return (WXHRGN) M_REGION;
	561	}
	562
44227537 DW	563	//
	564	// Set a new PS, this means we have to recreate the old region in the new
	565	// PS
	566	//
	567	void wxRegion::SetPS(
	568	HPS hPS
	569	)
	570	{
	571	RGNRECT vRgnData;
	572	PRECTL pRect = NULL;
	573
	574	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	575	,((wxRegionRefData*)m_refData)->m_hRegion
	576	,NULL
	577	,&vRgnData
	578	,NULL
	579	))
	580	{
	581	pRect = new RECTL[vRgnData.crcReturned];
	582	vRgnData.crc = vRgnData.crcReturned;
	583	vRgnData.ircStart = 1;
	584	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	585	,((wxRegionRefData*)m_refData)->m_hRegion
	586	,NULL
	587	,&vRgnData
	588	,pRect
	589	))
	590	{
	591	//
	592	// First destroy the region out of the old PS
	593	// and then create it in the new and set the new to current
	594	//
	595	::GpiDestroyRegion( ((wxRegionRefData*)m_refData)->m_hPS
	596	,M_REGION
	597	);
	598	((wxRegionRefData*)m_refData)->m_hRegion = ::GpiCreateRegion( hPS
	599	,vRgnData.crcReturned
	600	,pRect
	601	);
	602	((wxRegionRefData*)m_refData)->m_hPS = hPS;
	603	}
	604	delete [] pRect;
	605	}
	606	} // end of wxRegion::SetPS
	607
0e320a79	608	///////////////////////////////////////////////////////////////////////////////
409c9842 DW	609	// //
	610	// wxRegionIterator //
	611	// //
0e320a79 DW	612	///////////////////////////////////////////////////////////////////////////////
0e320a79 DW	613
8d854fa9 DW	614	//
	615	// Initialize empty iterator
	616	//
	617	wxRegionIterator::wxRegionIterator()
	618	: m_lCurrent(0)
	619	, m_lNumRects(0)
	620	, m_pRects(NULL)
0e320a79	621	{
8d854fa9	622	} // end of wxRegionIterator::wxRegionIterator
0e320a79 DW	623
	624	wxRegionIterator::~wxRegionIterator()
	625	{
8d854fa9 DW	626	if (m_pRects)
	627	delete[] m_pRects;
	628	} // end of wxRegionIterator::~wxRegionIterator
	629
	630	//
	631	// Initialize iterator for region
	632	//
	633	wxRegionIterator::wxRegionIterator(
	634	const wxRegion& rRegion
	635	)
0e320a79	636	{
8d854fa9 DW	637	m_pRects = NULL;
	638	Reset(rRegion);
	639	} // end of wxRegionIterator::wxRegionIterator
	640
	641	//
	642	// Reset iterator for a new /e region.
	643	//
	644	void wxRegionIterator::Reset(
	645	const wxRegion& rRegion
	646	)
0e320a79	647	{
8d854fa9 DW	648	m_lCurrent = 0;
8d854fa9 DW	649	m_vRegion = rRegion;
0e320a79	650
8d854fa9 DW	651	if (m_pRects)
8d854fa9 DW	652	delete[] m_pRects;
0e320a79	653
8d854fa9	654	m_pRects = NULL;
0e320a79	655
8d854fa9 DW	656	if (m_vRegion.Empty())
8d854fa9 DW	657	m_lNumRects = 0;
409c9842	658	else
0e320a79	659	{
8d854fa9 DW	660	RGNRECT vRgnData;
	661	PRECTL pRect;
	662
	663	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space
	664	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of region to query
	665	,NULL // Return all RECTs
	666	,&vRgnData // Will contain number or RECTs in region
	667	,NULL // NULL to return number of RECTs
	668	))
	669	{
	670	pRect = new RECTL[vRgnData.crcReturned];
	671	m_pRects = new wxRect[vRgnData.crcReturned];
	672	vRgnData.crc = vRgnData.crcReturned;
	673	m_lNumRects = vRgnData.crcReturned;
	674	vRgnData.ircStart = 1;
	675	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space of source
	676	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of source region
	677	,NULL // Return all RECTs
	678	,&vRgnData // Operations set to return rects
	679	,pRect // Will contain the actual RECTS
	680	))
	681	{
	682	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	683	,vRgnData.crcReturned
	684	,pRect
	685	);
	686	for( LONG i = 0; i < m_lNumRects; i++)
	687	{
	688	m_pRects[i].x = pRect[i].xLeft;
	689	m_pRects[i].width = pRect[i].xRight - pRect[i].xLeft;
	690	m_pRects[i].y = pRect[i].yBottom;
	691	m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom;
	692	}
	693	((wxRegionRefData)m_refData)->m_hPS = ((wxRegionRefData)rRegion.m_refData)->m_hPS;
	694	}
	695	}
0e320a79	696	}
8d854fa9	697	} // end of wxRegionIterator::Reset
0e320a79	698
8d854fa9 DW	699	//
	700	// Increment iterator. The rectangle returned is the one after the
	701	// incrementation.
	702	//
	703	void wxRegionIterator::operator++ ()
0e320a79	704	{
8d854fa9 DW	705	if (m_lCurrent < m_lNumRects)
	706	++m_lCurrent;
	707	} // end of wxRegionIterator::operator ++
	708
	709	//
	710	// Increment iterator. The rectangle returned is the one before the
	711	// incrementation.
	712	//
	713	void wxRegionIterator::operator++ (int)
0e320a79	714	{
8d854fa9 DW	715	if (m_lCurrent < m_lNumRects)
	716	++m_lCurrent;
	717	} // end of wxRegionIterator::operator++
0e320a79	718
0b7e7739	719	wxCoord wxRegionIterator::GetX() const
0e320a79	720	{
8d854fa9 DW	721	if (m_lCurrent < m_lNumRects)
	722	return m_pRects[m_lCurrent].x;
	723	return 0L;
	724	} // end of wxRegionIterator::GetX
0e320a79	725
0b7e7739	726	wxCoord wxRegionIterator::GetY() const
0e320a79	727	{
8d854fa9 DW	728	if (m_lCurrent < m_lNumRects)
	729	return m_pRects[m_lCurrent].y;
	730	return 0L;
	731	} // end of wxRegionIterator::GetY
0e320a79	732
0b7e7739	733	wxCoord wxRegionIterator::GetW() const
0e320a79	734	{
8d854fa9 DW	735	if (m_lCurrent < m_lNumRects)
	736	return m_pRects[m_lCurrent].width ;
	737	return 0L;
	738	} // end of wxRegionIterator::GetW
0e320a79	739
0b7e7739	740	wxCoord wxRegionIterator::GetH() const
0e320a79	741	{
8d854fa9 DW	742	if (m_lCurrent < m_lNumRects)
	743	return m_pRects[m_lCurrent].height;
	744	return 0L;
	745	} // end of wxRegionIterator::GetH
0e320a79	746