[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

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
)
{
    AllocExclusive();

    //
    // 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;

    AllocExclusive();

    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	222
58238121 DW	223	wxObjectRefData *wxRegion::CreateData() const
	224	{
	225	return new wxRegionRefData;
	226	}
	227
70b7bcd1	228	wxObjectRefData wxRegion::CloneData(const wxObjectRefData data) const
58238121 DW	229	{
	230	return new wxRegionRefData((wxRegionRefData )data);
	231	}
	232
0e320a79 DW	233	//-----------------------------------------------------------------------------
	234	//# Modify region
	235	//-----------------------------------------------------------------------------
	236
58238121 DW	237	bool wxRegion::Offset(
	238	wxCoord x
	239	, wxCoord y
	240	)
	241	{
	242	if ( !x && !y )
	243	{
	244	// nothing to do
	245	return TRUE;
	246	}
	247
	248	AllocExclusive();
	249
	250	#if 0
	251	if ( ::OffsetRgn(GetHrgn(), x, y) == ERROR )
	252	{
	253	wxLogLastError(_T("OffsetRgn"));
	254
	255	return FALSE;
	256	}
	257	#endif
	258	return TRUE;
	259	}
	260
8d854fa9 DW	261	//
	262	// Clear current region
	263	//
0e320a79 DW	264	void wxRegion::Clear()
	265	{
	266	UnRef();
8d854fa9 DW	267	} // end of wxRegion::Clear
	268
	269	//
	270	// Combine rectangle (x, y, w, h) with this.
	271	//
	272	bool wxRegion::Combine(
	273	wxCoord x
	274	, wxCoord y
	275	, wxCoord vWidth
	276	, wxCoord vHeight
	277	, wxRegionOp eOp
	278	)
0e320a79	279	{
58238121	280	AllocExclusive();
8d854fa9 DW	281
8d854fa9 DW	282	//
0e320a79	283	// If ref count is 1, that means it's 'ours' anyway so no action.
8d854fa9 DW	284	//
	285	RECTL vRect;
	286
	287	vRect.xLeft = x;
	288	vRect.xRight = x + vWidth;
	289	vRect.yBottom = y;
	290	vRect.yTop = y + vHeight;
0e320a79	291
8d854fa9 DW	292	HRGN hRgn = ::GpiCreateRegion( ((wxRegionRefData*)m_refData)->m_hPS
	293	,1
	294	,&vRect
	295	);
	296	LONG lMode = 0L;
0e320a79	297
8d854fa9	298	switch (eOp)
0e320a79 DW	299	{
0e320a79 DW	300	case wxRGN_AND:
8d854fa9 DW	301	lMode = CRGN_AND;
	302	break;
	303
0e320a79	304	case wxRGN_OR:
8d854fa9 DW	305	lMode = CRGN_OR;
	306	break;
	307
0e320a79	308	case wxRGN_XOR:
8d854fa9 DW	309	lMode = CRGN_XOR;
	310	break;
	311
0e320a79	312	case wxRGN_DIFF:
8d854fa9 DW	313	lMode = CRGN_DIFF;
	314	break;
	315
0e320a79 DW	316	case wxRGN_COPY:
0e320a79 DW	317	default:
8d854fa9 DW	318	lMode = CRGN_COPY;
8d854fa9 DW	319	break;
0e320a79	320	}
8d854fa9 DW	321	bool bSuccess = ::GpiCombineRegion( ((wxRegionRefData*)m_refData)->m_hPS
	322	,M_REGION
	323	,M_REGION
	324	,hRgn
	325	,lMode
	326	);
	327	::GpiDestroyRegion ( ((wxRegionRefData*)m_refData)->m_hPS
	328	,hRgn
	329	);
	330
	331	return bSuccess;
	332	} // end of wxRegion::Combine
	333
	334	//
	335	// Union region with this.
	336	//
	337	bool wxRegion::Combine(
	338	const wxRegion& rRegion
	339	, wxRegionOp eOp
	340	)
0e320a79	341	{
8d854fa9	342	if (rRegion.Empty())
409c9842 DW	343	return FALSE;
409c9842 DW	344
58238121	345	AllocExclusive();
0e320a79	346
8d854fa9 DW	347	LONG lMode = 0;
	348
	349	switch (eOp)
0e320a79 DW	350	{
0e320a79 DW	351	case wxRGN_AND:
8d854fa9 DW	352	lMode = CRGN_AND;
	353	break;
	354
0e320a79	355	case wxRGN_OR:
8d854fa9 DW	356	lMode = CRGN_OR;
	357	break;
	358
0e320a79	359	case wxRGN_XOR:
8d854fa9 DW	360	lMode = CRGN_XOR;
	361	break;
	362
0e320a79	363	case wxRGN_DIFF:
8d854fa9 DW	364	lMode = CRGN_DIFF;
	365	break;
	366
0e320a79 DW	367	case wxRGN_COPY:
0e320a79 DW	368	default:
8d854fa9 DW	369	lMode = CRGN_COPY;
8d854fa9 DW	370	break;
0e320a79	371	}
8d854fa9 DW	372	return (::GpiCombineRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	373	,M_REGION
	374	,M_REGION
	375	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion
	376	,lMode
	377	) != RGN_ERROR);
	378	} // end of wxRegion::Combine
	379
	380	bool wxRegion::Combine(
	381	const wxRect& rRect
	382	, wxRegionOp eOp
	383	)
0e320a79	384	{
8d854fa9 DW	385	return Combine( rRect.GetLeft()
	386	,rRect.GetTop()
	387	,rRect.GetWidth()
	388	,rRect.GetHeight()
	389	,eOp
	390	);
	391	} // end of wxRegion::Combine
0e320a79 DW	392
	393	//-----------------------------------------------------------------------------
	394	//# Information on region
	395	//-----------------------------------------------------------------------------
	396
8d854fa9	397	//
0e320a79	398	// Outer bounds of region
8d854fa9 DW	399	//
	400	void wxRegion::GetBox(
	401	wxCoord& x
	402	, wxCoord& y
	403	, wxCoord& vWidth
	404	, wxCoord& vHeight
	405	) const
0e320a79	406	{
8d854fa9 DW	407	if (m_refData)
	408	{
	409	RECTL vRect;
19193a2c	410	APIRET rc;
8d854fa9	411
19193a2c	412	rc = ::GpiQueryRegionBox( ((wxRegionRefData*)m_refData)->m_hPS
8d854fa9 DW	413	,M_REGION
	414	,&vRect
	415	);
	416	x = vRect.xLeft;
	417	y = vRect.yTop;
	418	vWidth = vRect.xRight - vRect.xLeft;
	419	vHeight = vRect.yTop - vRect.yBottom;
409c9842	420	}
8d854fa9 DW	421	else
	422	{
	423	x = y = vWidth = vHeight = 0L;
	424	}
	425	} // end of wxRegion::GetBox
0e320a79 DW	426
	427	wxRect wxRegion::GetBox() const
	428	{
0b7e7739	429	wxCoord x, y, w, h;
0e320a79 DW	430	GetBox(x, y, w, h);
	431	return wxRect(x, y, w, h);
	432	}
	433
8d854fa9	434	//
0e320a79	435	// Is region empty?
8d854fa9	436	//
0e320a79 DW	437	bool wxRegion::Empty() const
0e320a79 DW	438	{
8d854fa9 DW	439	wxCoord x;
	440	wxCoord y;
	441	wxCoord vWidth;
	442	wxCoord vHeight;
	443
	444	if (M_REGION == 0)
	445	return TRUE;
	446
	447	GetBox( x
	448	,y
	449	,vWidth
	450	,vHeight
	451	);
	452	return ((vWidth == 0) && (vHeight == 0));
	453	} // end of wxRegion::Empty
0e320a79 DW	454
0e320a79 DW	455	//-----------------------------------------------------------------------------
8d854fa9	456	// Tests
0e320a79 DW	457	//-----------------------------------------------------------------------------
0e320a79 DW	458
8d854fa9	459	//
0e320a79	460	// Does the region contain the point (x,y)?
8d854fa9 DW	461	wxRegionContain wxRegion::Contains(
	462	wxCoord x
	463	, wxCoord y
	464	) const
0e320a79	465	{
8d854fa9 DW	466	bool bOK = FALSE;
	467	POINTL vPoint;
	468
	469	vPoint.x = x;
	470	vPoint.y = y;
	471
409c9842 DW	472	if (!m_refData)
409c9842 DW	473	return wxOutRegion;
0e320a79	474
8d854fa9 DW	475	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	476	,M_REGION
	477	,&vPoint
	478	);
	479	if (lInside == PRGN_INSIDE)
0e320a79 DW	480	return wxInRegion;
0e320a79 DW	481	return wxOutRegion;
8d854fa9	482	} // end of wxRegion::Contains
0e320a79	483
8d854fa9	484	//
0e320a79	485	// Does the region contain the point pt?
8d854fa9 DW	486	//
	487	wxRegionContain wxRegion::Contains(
	488	const wxPoint& rPoint
	489	) const
0e320a79	490	{
8d854fa9 DW	491	POINTL vPoint = { rPoint.x, rPoint.y };
8d854fa9 DW	492
409c9842 DW	493	if (!m_refData)
409c9842 DW	494	return wxOutRegion;
0e320a79	495
8d854fa9 DW	496	LONG lInside = ::GpiPtInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	497	,M_REGION
	498	,&vPoint
	499	);
	500	if (lInside == PRGN_INSIDE)
0e320a79 DW	501	return wxInRegion;
	502	else
	503	return wxOutRegion;
8d854fa9	504	} // end of wxRegion::Contains
0e320a79	505
8d854fa9	506	//
0e320a79	507	// Does the region contain the rectangle (x, y, w, h)?
8d854fa9 DW	508	//
	509	wxRegionContain wxRegion::Contains(
	510	wxCoord x
	511	, wxCoord y
	512	, wxCoord vWidth
	513	, wxCoord vHeight
	514	) const
0e320a79	515	{
8d854fa9 DW	516	RECTL vRect;
8d854fa9 DW	517
409c9842 DW	518	if (!m_refData)
409c9842 DW	519	return wxOutRegion;
0e320a79	520
8d854fa9 DW	521	vRect.xLeft = x;
	522	vRect.yTop = y;
	523	vRect.xRight = x + vWidth;
	524	vRect.yBottom = y + vHeight;
	525
	526	if (PRGN_INSIDE == ::GpiRectInRegion( ((wxRegionRefData*)m_refData)->m_hPS
	527	,M_REGION
	528	,&vRect
	529	))
0e320a79 DW	530	return wxInRegion;
	531	else
	532	return wxOutRegion;
8d854fa9	533	} // end of wxRegion::Contains
0e320a79	534
8d854fa9	535	//
0e320a79	536	// Does the region contain the rectangle rect
8d854fa9 DW	537	//
	538	wxRegionContain wxRegion::Contains(
	539	const wxRect& rRect
	540	) const
0e320a79	541	{
409c9842 DW	542	if (!m_refData)
409c9842 DW	543	return wxOutRegion;
0e320a79	544
8d854fa9 DW	545	wxCoord x;
	546	wxCoord y;
	547	wxCoord vWidth;
	548	wxCoord vHeight;
	549
	550	x = rRect.x;
	551	y = rRect.y;
	552	vWidth = rRect.GetWidth();
	553	vHeight = rRect.GetHeight();
	554	return Contains( x
	555	,y
	556	,vWidth
	557	,vHeight
	558	);
	559	} // end of wxRegion::Contains
	560
	561	//
409c9842	562	// Get internal region handle
8d854fa9	563	//
409c9842 DW	564	WXHRGN wxRegion::GetHRGN() const
	565	{
	566	if (!m_refData)
	567	return (WXHRGN) 0;
	568	return (WXHRGN) M_REGION;
	569	}
	570
44227537 DW	571	//
	572	// Set a new PS, this means we have to recreate the old region in the new
	573	// PS
	574	//
	575	void wxRegion::SetPS(
	576	HPS hPS
	577	)
	578	{
	579	RGNRECT vRgnData;
	580	PRECTL pRect = NULL;
	581
	582	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	583	,((wxRegionRefData*)m_refData)->m_hRegion
	584	,NULL
	585	,&vRgnData
	586	,NULL
	587	))
	588	{
	589	pRect = new RECTL[vRgnData.crcReturned];
	590	vRgnData.crc = vRgnData.crcReturned;
	591	vRgnData.ircStart = 1;
	592	if (::GpiQueryRegionRects( ((wxRegionRefData*)m_refData)->m_hPS
	593	,((wxRegionRefData*)m_refData)->m_hRegion
	594	,NULL
	595	,&vRgnData
	596	,pRect
	597	))
	598	{
	599	//
	600	// First destroy the region out of the old PS
	601	// and then create it in the new and set the new to current
	602	//
	603	::GpiDestroyRegion( ((wxRegionRefData*)m_refData)->m_hPS
	604	,M_REGION
	605	);
	606	((wxRegionRefData*)m_refData)->m_hRegion = ::GpiCreateRegion( hPS
	607	,vRgnData.crcReturned
	608	,pRect
	609	);
	610	((wxRegionRefData*)m_refData)->m_hPS = hPS;
	611	}
	612	delete [] pRect;
	613	}
	614	} // end of wxRegion::SetPS
	615
0e320a79	616	///////////////////////////////////////////////////////////////////////////////
409c9842 DW	617	// //
	618	// wxRegionIterator //
	619	// //
0e320a79 DW	620	///////////////////////////////////////////////////////////////////////////////
0e320a79 DW	621
8d854fa9 DW	622	//
	623	// Initialize empty iterator
	624	//
	625	wxRegionIterator::wxRegionIterator()
	626	: m_lCurrent(0)
	627	, m_lNumRects(0)
	628	, m_pRects(NULL)
0e320a79	629	{
8d854fa9	630	} // end of wxRegionIterator::wxRegionIterator
0e320a79 DW	631
	632	wxRegionIterator::~wxRegionIterator()
	633	{
8d854fa9 DW	634	if (m_pRects)
	635	delete[] m_pRects;
	636	} // end of wxRegionIterator::~wxRegionIterator
	637
	638	//
	639	// Initialize iterator for region
	640	//
	641	wxRegionIterator::wxRegionIterator(
	642	const wxRegion& rRegion
	643	)
0e320a79	644	{
8d854fa9 DW	645	m_pRects = NULL;
	646	Reset(rRegion);
	647	} // end of wxRegionIterator::wxRegionIterator
	648
	649	//
	650	// Reset iterator for a new /e region.
	651	//
	652	void wxRegionIterator::Reset(
	653	const wxRegion& rRegion
	654	)
0e320a79	655	{
8d854fa9 DW	656	m_lCurrent = 0;
8d854fa9 DW	657	m_vRegion = rRegion;
0e320a79	658
8d854fa9 DW	659	if (m_pRects)
8d854fa9 DW	660	delete[] m_pRects;
0e320a79	661
8d854fa9	662	m_pRects = NULL;
0e320a79	663
8d854fa9 DW	664	if (m_vRegion.Empty())
8d854fa9 DW	665	m_lNumRects = 0;
409c9842	666	else
0e320a79	667	{
8d854fa9 DW	668	RGNRECT vRgnData;
	669	PRECTL pRect;
	670
	671	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space
	672	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of region to query
	673	,NULL // Return all RECTs
	674	,&vRgnData // Will contain number or RECTs in region
	675	,NULL // NULL to return number of RECTs
	676	))
	677	{
	678	pRect = new RECTL[vRgnData.crcReturned];
	679	m_pRects = new wxRect[vRgnData.crcReturned];
	680	vRgnData.crc = vRgnData.crcReturned;
	681	m_lNumRects = vRgnData.crcReturned;
	682	vRgnData.ircStart = 1;
	683	if (::GpiQueryRegionRects( ((wxRegionRefData*)rRegion.m_refData)->m_hPS // Pres space of source
	684	,((wxRegionRefData*)rRegion.m_refData)->m_hRegion // Handle of source region
	685	,NULL // Return all RECTs
	686	,&vRgnData // Operations set to return rects
	687	,pRect // Will contain the actual RECTS
	688	))
	689	{
	690	M_REGION = ::GpiCreateRegion( ((wxRegionRefData*)rRegion.m_refData)->m_hPS
	691	,vRgnData.crcReturned
	692	,pRect
	693	);
	694	for( LONG i = 0; i < m_lNumRects; i++)
	695	{
	696	m_pRects[i].x = pRect[i].xLeft;
	697	m_pRects[i].width = pRect[i].xRight - pRect[i].xLeft;
	698	m_pRects[i].y = pRect[i].yBottom;
	699	m_pRects[i].height = pRect[i].yTop - pRect[i].yBottom;
	700	}
	701	((wxRegionRefData)m_refData)->m_hPS = ((wxRegionRefData)rRegion.m_refData)->m_hPS;
	702	}
	703	}
0e320a79	704	}
8d854fa9	705	} // end of wxRegionIterator::Reset
0e320a79	706
8d854fa9 DW	707	//
	708	// Increment iterator. The rectangle returned is the one after the
	709	// incrementation.
	710	//
	711	void wxRegionIterator::operator++ ()
0e320a79	712	{
8d854fa9 DW	713	if (m_lCurrent < m_lNumRects)
	714	++m_lCurrent;
	715	} // end of wxRegionIterator::operator ++
	716
	717	//
	718	// Increment iterator. The rectangle returned is the one before the
	719	// incrementation.
	720	//
	721	void wxRegionIterator::operator++ (int)
0e320a79	722	{
8d854fa9 DW	723	if (m_lCurrent < m_lNumRects)
	724	++m_lCurrent;
	725	} // end of wxRegionIterator::operator++
0e320a79	726
0b7e7739	727	wxCoord wxRegionIterator::GetX() const
0e320a79	728	{
8d854fa9 DW	729	if (m_lCurrent < m_lNumRects)
	730	return m_pRects[m_lCurrent].x;
	731	return 0L;
	732	} // end of wxRegionIterator::GetX
0e320a79	733
0b7e7739	734	wxCoord wxRegionIterator::GetY() const
0e320a79	735	{
8d854fa9 DW	736	if (m_lCurrent < m_lNumRects)
	737	return m_pRects[m_lCurrent].y;
	738	return 0L;
	739	} // end of wxRegionIterator::GetY
0e320a79	740
0b7e7739	741	wxCoord wxRegionIterator::GetW() const
0e320a79	742	{
8d854fa9 DW	743	if (m_lCurrent < m_lNumRects)
	744	return m_pRects[m_lCurrent].width ;
	745	return 0L;
	746	} // end of wxRegionIterator::GetW
0e320a79	747
0b7e7739	748	wxCoord wxRegionIterator::GetH() const
0e320a79	749	{
8d854fa9 DW	750	if (m_lCurrent < m_lNumRects)
	751	return m_pRects[m_lCurrent].height;
	752	return 0L;
	753	} // end of wxRegionIterator::GetH
0e320a79	754