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

///////////////////////////////////////////////////////////////////////////////
// Name:        msw/gdiimage.cpp
// Purpose:     wxGDIImage implementation
// Author:      Vadim Zeitlin
// Modified by:
// Created:     20.11.99
// RCS-ID:      $Id$
// Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence:     wxWindows licence
///////////////////////////////////////////////////////////////////////////////

// ============================================================================
// declarations
// ============================================================================

// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------

#ifdef __GNUG__
    #pragma implementation "gdiimage.h"
#endif

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


#ifndef WX_PRECOMP
    #include "wx/string.h"
#endif // WX_PRECOMP

#include "wx/os2/private.h"
#include "wx/app.h"
#include "wx/os2/gdiimage.h"

#include "wx/listimpl.cpp"
WX_DEFINE_LIST(wxGDIImageHandlerList);

// ----------------------------------------------------------------------------
// private classes
// ----------------------------------------------------------------------------

// all image handlers are declared/defined in this file because the outside
// world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids)

class WXDLLEXPORT wxBMPFileHandler : public wxBitmapHandler
{
public:
    wxBMPFileHandler() : wxBitmapHandler(_T("Windows bitmap file"), _T("bmp"),
                                         wxBITMAP_TYPE_BMP)
    {
    }

    virtual bool LoadFile( wxBitmap*       pBitmap
                          ,const wxString& rName
                          ,HPS             hPs
                          ,long            lFlags
                          ,int             nDesiredWidth
                          ,int             nDesiredHeight
                         );
    virtual bool SaveFile( wxBitmap*        pBitmap
                          ,const wxString&  rName
                          ,int              lType
                          ,const wxPalette* pPalette = NULL
                         );

private:
    inline virtual bool LoadFile( wxBitmap*       pBitmap
                                 ,int             nId
                                 ,long            lFlags
                                 ,int             nDesiredWidth
                                 ,int             nDesiredHeight
                                )
    {
        return wxBitmapHandler::LoadFile( pBitmap
                                         ,nId
                                         ,lFlags
                                         ,nDesiredWidth
                                         ,nDesiredHeight
                                        );
    }
    DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
};

class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
{
public:
    wxBMPResourceHandler() : wxBitmapHandler(_T("Windows bitmap resource"),
                                             wxEmptyString,
                                             wxBITMAP_TYPE_BMP_RESOURCE)
    {
    }

    virtual bool LoadFile( wxBitmap*       pBitmap
                          ,int             nId
                          ,long            lFlags
                          ,int             nDesiredWidth
                          ,int             nDesiredHeight
                         );

private:
    DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
};

class WXDLLEXPORT wxIconHandler : public wxGDIImageHandler
{
public:
    wxIconHandler( const wxString& rName
                  ,const wxString& rExt
                  ,long            lType
                 ) : wxGDIImageHandler( rName
                                       ,rExt
                                       ,lType
                                      )
    {
    }

    // creating and saving icons is not supported
    virtual bool Create( wxGDIImage* WXUNUSED(pImage)
                        ,void*       WXUNUSED(pData)
                        ,long        WXUNUSED(lFlags)
                        ,int         WXUNUSED(nWidth)
                        ,int         WXUNUSED(nHeight)
                        ,int         WXUNUSED(nDepth) = 1
                       )
    {
        return(FALSE);
    }

    virtual bool Save( wxGDIImage*     WXUNUSED(pImage)
                      ,const wxString& WXUNUSED(rName)
                      ,int             WXUNUSED(nType)
                     )
    {
        return(FALSE);
    }
    virtual bool Load( wxGDIImage*     pImage
                      ,const wxString& rName
                      ,HPS             hPs
                      ,long            lFlags
                      ,int             nDesiredWidth
                      ,int             nDesiredHeight
                     )
    {
        wxIcon*                     pIcon = wxDynamicCast(pImage, wxIcon);
        wxCHECK_MSG(pIcon, FALSE, _T("wxIconHandler only works with icons"));

        return LoadIcon( pIcon
                        ,rName
                        ,hPs
                        ,lFlags
                        ,nDesiredWidth
                        ,nDesiredHeight
                       );
    }

protected:
    virtual bool LoadIcon( wxIcon*         pIcon
                          ,const wxString& rName
                          ,HPS             hPs
                          ,long            lFlags
                          ,int             nDesiredWidth = -1
                          ,int             nDesiredHeight = -1
                         ) = 0;
private:
    inline virtual bool Load( wxGDIImage*     pImage
                             ,int             nId
                             ,long            lFlags
                             ,int             nDesiredWidth
                             ,int             nDesiredHeight
                            )
    {
        return FALSE;
    }
};

class WXDLLEXPORT wxICOFileHandler : public wxIconHandler
{
public:
    wxICOFileHandler() : wxIconHandler(_T("ICO icon file"),
                                       _T("ico"),
                                       wxBITMAP_TYPE_ICO)
    {
    }

    virtual bool LoadIcon( wxIcon *        pIcon
                          ,const wxString& rName
                          ,HPS             hPs
                          ,long            lFlags
                          ,int             nDesiredWidth = -1
                          ,int             nDesiredHeight = -1
                         );

private:
    DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
};

class WXDLLEXPORT wxICOResourceHandler: public wxIconHandler
{
public:
    wxICOResourceHandler() : wxIconHandler(_T("ICO resource"),
                                           _T("ico"),
                                           wxBITMAP_TYPE_ICO_RESOURCE)
    {
    }

    virtual bool LoadIcon( wxIcon*         pIcon
                          ,const wxString& rName
                          ,HPS             hPs
                          ,long            lFlags
                          ,int             nDesiredWidth = -1
                          ,int             nDesiredHeight = -1
                         );

private:
    DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
};

// ----------------------------------------------------------------------------
// wxWin macros
// ----------------------------------------------------------------------------

#if !USE_SHARED_LIBRARIES
    IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
    IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
    IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject)
    IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)
#endif

// ============================================================================
// implementation
// ============================================================================

wxGDIImageHandlerList wxGDIImage::ms_handlers;

// ----------------------------------------------------------------------------
// wxGDIImage functions forwarded to wxGDIImageRefData
// ----------------------------------------------------------------------------

bool wxGDIImage::FreeResource(
  bool                              WXUNUSED(bForce)
)
{
    if ( !IsNull() )
    {
        GetGDIImageData()->Free();
        GetGDIImageData()->m_hHandle = 0;
    }

    return(TRUE);
}

WXHANDLE wxGDIImage::GetResourceHandle()
{
    return GetHandle();
}

// ----------------------------------------------------------------------------
// wxGDIImage handler stuff
// ----------------------------------------------------------------------------

void wxGDIImage::AddHandler(
  wxGDIImageHandler*                pHandler
)
{
    ms_handlers.Append(pHandler);
}

void wxGDIImage::InsertHandler(
  wxGDIImageHandler*                pHandler
)
{
    ms_handlers.Insert(pHandler);
}

bool wxGDIImage::RemoveHandler(
  const wxString&                   rName
)
{
    wxGDIImageHandler*              pHandler = FindHandler(rName);

    if (pHandler)
    {
        ms_handlers.DeleteObject(pHandler);
        return(TRUE);
    }
    else
        return(FALSE);
}

wxGDIImageHandler* wxGDIImage::FindHandler(
  const wxString&                   rName
)
{
    wxGDIImageHandlerList::compatibility_iterator   pNode = ms_handlers.GetFirst();

    while ( pNode )
    {
        wxGDIImageHandler*          pHandler = pNode->GetData();

        if ( pHandler->GetName() == rName )
            return pHandler;
        pNode = pNode->GetNext();
    }
    return((wxGDIImageHandler*)NULL);
}

wxGDIImageHandler* wxGDIImage::FindHandler(
  const wxString&                   rExtension
, long                              lType
)
{
    wxGDIImageHandlerList::compatibility_iterator   pNode = ms_handlers.GetFirst();
    while ( pNode )
    {
        wxGDIImageHandler*          pHandler = pNode->GetData();

        if ( (pHandler->GetExtension() = rExtension) &&
             (lType == -1 || pHandler->GetType() == lType) )
        {
            return pHandler;
        }
        pNode = pNode->GetNext();
    }
    return((wxGDIImageHandler*)NULL);
}

wxGDIImageHandler* wxGDIImage::FindHandler(
  long                              lType
)
{
    wxGDIImageHandlerList::compatibility_iterator   pNode = ms_handlers.GetFirst();

    while ( pNode )
    {
        wxGDIImageHandler*          pHandler = pNode->GetData();

        if ( pHandler->GetType() == lType )
            return pHandler;
        pNode = pNode->GetNext();
    }
    return((wxGDIImageHandler*)NULL);
}

void wxGDIImage::CleanUpHandlers()
{
    wxGDIImageHandlerList::compatibility_iterator   pNode = ms_handlers.GetFirst();

    while ( pNode )
    {
        wxGDIImageHandler*                              pHandler = pNode->GetData();
        wxGDIImageHandlerList::compatibility_iterator   pNext = pNode->GetNext();

        delete pHandler;
        ms_handlers.Erase( pNode );
        pNode = pNext;
    }
}

void wxGDIImage::InitStandardHandlers()
{
    AddHandler(new wxBMPResourceHandler);
    AddHandler(new wxBMPFileHandler);
    AddHandler(new wxICOResourceHandler);
    AddHandler(new wxICOFileHandler);
}

// ----------------------------------------------------------------------------
// wxBitmap handlers
// ----------------------------------------------------------------------------

bool wxBMPResourceHandler::LoadFile(
  wxBitmap*                         pBitmap
, int                               nId
, long                              lFlags
, int                               nDesiredWidth
, int                               nDesiredHeight
)
{
    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);
    HPS                                 hPS   = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);

    pBitmap->SetHBITMAP((WXHBITMAP)::GpiLoadBitmap( hPS
                                                   ,NULLHANDLE
                                                   ,nId
                                                   ,0
                                                   ,0
                                                  ));
    ::GpiDestroyPS(hPS);
    ::DevCloseDC(hDC);

    wxBitmapRefData*                pData = pBitmap->GetBitmapData();

    if ( pBitmap->Ok() )
    {
        BITMAPINFOHEADER            vBmph;

        ::GpiQueryBitmapParameters(GetHbitmapOf(*pBitmap), &vBmph);
        pData->m_nWidth  = vBmph.cx;
        pData->m_nHeight = vBmph.cy;
        pData->m_nDepth  = vBmph.cBitCount;
    }
    return(pBitmap->Ok());
} // end of wxBMPResourceHandler::LoadFile

bool wxBMPFileHandler::LoadFile(
  wxBitmap*                         pBitmap
, const wxString&                   rName
, HPS                               hPs
, long                              WXUNUSED(lFlags)
, int                               WXUNUSED(nDesiredWidth)
, int                               WXUNUSED(nDesiredHeight)
)
{
#if wxUSE_IMAGE_LOADING_IN_OS2
    wxPalette*                      pPalette = NULL;

    bool                            bSuccess = FALSE; /* wxLoadIntoBitmap( WXSTRINGCAST rName
                                                                ,pBitmap
                                                                ,&pPalette
                                                               ) != 0; */
    if (bSuccess && pPalette)
    {
        pBitmap->SetPalette(*pPalette);
    }

    // it was copied by the bitmap if it was loaded successfully
    delete pPalette;

    return(bSuccess);
#else
    return(FALSE);
#endif
}

bool wxBMPFileHandler::SaveFile(
  wxBitmap*                         pBitmap
, const wxString&                   rName
, int                               WXUNUSED(nType)
, const wxPalette*                  pPal
)
{
#if wxUSE_IMAGE_LOADING_IN_OS2
    wxPalette*                      pActualPalette = (wxPalette *)pPal;

    if (!pActualPalette)
        pActualPalette = pBitmap->GetPalette();
    /* return(wxSaveBitmap( WXSTRINGCAST rName
                        ,pBitmap
                        ,pActualPalette
                       ) != 0); */
    return(FALSE);
#else
    return(FALSE);
#endif
}

// ----------------------------------------------------------------------------
// wxIcon handlers
// ----------------------------------------------------------------------------

bool wxICOFileHandler::LoadIcon(
  wxIcon*                           pIcon
, const wxString&                   rName
, HPS                               hPs
, long                              lFlags
, int                               nDesiredWidth
, int                               nDesiredHeight
)
{
#if wxUSE_RESOURCE_LOADING_IN_OS2
    pIcon->UnRef();

    // actual size
    wxSize                          vSize;

    return(FALSE);
#else
    return(FALSE);
#endif
}

bool wxICOResourceHandler::LoadIcon(
  wxIcon*                           pIcon
, const wxString&                   rName
, HPS                               hPs
, long                              lFlags
, int                               WXUNUSED(nDesiredWidth)
, int                               WXUNUSED(nDesiredHeight)
)
{
    HPOINTER                        hIcon;

    hIcon = ::WinLoadFileIcon( (PSZ)rName.c_str()
                              ,TRUE // load for private use
                             );

    pIcon->SetSize(32, 32); // all OS/2 icons are 32 x 32


    pIcon->SetHICON((WXHICON)hIcon);

    return pIcon->Ok();
} // end of wxICOResourceHandler::LoadIcon
Commit	Line	Data
b4eb4c6b DW	1	///////////////////////////////////////////////////////////////////////////////
	2	// Name: msw/gdiimage.cpp
	3	// Purpose: wxGDIImage implementation
	4	// Author: Vadim Zeitlin
	5	// Modified by:
	6	// Created: 20.11.99
	7	// RCS-ID: $Id$
	8	// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
65571936	9	// Licence: wxWindows licence
b4eb4c6b DW	10	///////////////////////////////////////////////////////////////////////////////
	11
	12	// ============================================================================
	13	// declarations
	14	// ============================================================================
	15
	16	// ----------------------------------------------------------------------------
	17	// headers
	18	// ----------------------------------------------------------------------------
	19
aa213887 SN	20	#ifdef __GNUG__
	21	#pragma implementation "gdiimage.h"
	22	#endif
	23
b4eb4c6b DW	24	// For compilers that support precompilation, includes "wx.h".
	25	#include "wx/wxprec.h"
	26
	27
	28	#ifndef WX_PRECOMP
	29	#include "wx/string.h"
	30	#endif // WX_PRECOMP
	31
	32	#include "wx/os2/private.h"
b4eb4c6b	33	#include "wx/app.h"
b4eb4c6b DW	34	#include "wx/os2/gdiimage.h"
b4eb4c6b DW	35
258f5b3e DW	36	#include "wx/listimpl.cpp"
	37	WX_DEFINE_LIST(wxGDIImageHandlerList);
	38
b4eb4c6b DW	39	// ----------------------------------------------------------------------------
	40	// private classes
	41	// ----------------------------------------------------------------------------
	42
	43	// all image handlers are declared/defined in this file because the outside
	44	// world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids)
	45
	46	class WXDLLEXPORT wxBMPFileHandler : public wxBitmapHandler
	47	{
	48	public:
	49	wxBMPFileHandler() : wxBitmapHandler(_T("Windows bitmap file"), _T("bmp"),
	50	wxBITMAP_TYPE_BMP)
	51	{
	52	}
	53
	54	virtual bool LoadFile( wxBitmap* pBitmap
	55	,const wxString& rName
	56	,HPS hPs
	57	,long lFlags
	58	,int nDesiredWidth
	59	,int nDesiredHeight
	60	);
	61	virtual bool SaveFile( wxBitmap* pBitmap
	62	,const wxString& rName
	63	,int lType
	64	,const wxPalette* pPalette = NULL
	65	);
	66
	67	private:
3029781e DW	68	inline virtual bool LoadFile( wxBitmap* pBitmap
	69	,int nId
	70	,long lFlags
	71	,int nDesiredWidth
	72	,int nDesiredHeight
	73	)
	74	{
	75	return wxBitmapHandler::LoadFile( pBitmap
	76	,nId
	77	,lFlags
	78	,nDesiredWidth
	79	,nDesiredHeight
	80	);
	81	}
b4eb4c6b DW	82	DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
	83	};
	84
	85	class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
	86	{
	87	public:
	88	wxBMPResourceHandler() : wxBitmapHandler(_T("Windows bitmap resource"),
	89	wxEmptyString,
	90	wxBITMAP_TYPE_BMP_RESOURCE)
	91	{
	92	}
	93
	94	virtual bool LoadFile( wxBitmap* pBitmap
3029781e	95	,int nId
b4eb4c6b DW	96	,long lFlags
	97	,int nDesiredWidth
	98	,int nDesiredHeight
	99	);
	100
	101	private:
	102	DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
	103	};
	104
	105	class WXDLLEXPORT wxIconHandler : public wxGDIImageHandler
	106	{
	107	public:
	108	wxIconHandler( const wxString& rName
	109	,const wxString& rExt
	110	,long lType
	111	) : wxGDIImageHandler( rName
	112	,rExt
	113	,lType
	114	)
	115	{
	116	}
	117
	118	// creating and saving icons is not supported
	119	virtual bool Create( wxGDIImage* WXUNUSED(pImage)
	120	,void* WXUNUSED(pData)
	121	,long WXUNUSED(lFlags)
	122	,int WXUNUSED(nWidth)
	123	,int WXUNUSED(nHeight)
	124	,int WXUNUSED(nDepth) = 1
	125	)
	126	{
	127	return(FALSE);
	128	}
	129
	130	virtual bool Save( wxGDIImage* WXUNUSED(pImage)
	131	,const wxString& WXUNUSED(rName)
	132	,int WXUNUSED(nType)
	133	)
	134	{
	135	return(FALSE);
	136	}
	137	virtual bool Load( wxGDIImage* pImage
	138	,const wxString& rName
	139	,HPS hPs
	140	,long lFlags
	141	,int nDesiredWidth
	142	,int nDesiredHeight
	143	)
	144	{
	145	wxIcon* pIcon = wxDynamicCast(pImage, wxIcon);
	146	wxCHECK_MSG(pIcon, FALSE, _T("wxIconHandler only works with icons"));
	147
	148	return LoadIcon( pIcon
	149	,rName
	150	,hPs
	151	,lFlags
	152	,nDesiredWidth
	153	,nDesiredHeight
	154	);
	155	}
	156
	157	protected:
	158	virtual bool LoadIcon( wxIcon* pIcon
	159	,const wxString& rName
160	,HPS hPs
161	,long lFlags
162	,int nDesiredWidth = -1
163	,int nDesiredHeight = -1
164	) = 0;
3029781e DW	165	private:
	166	inline virtual bool Load( wxGDIImage* pImage
	167	,int nId
	168	,long lFlags
	169	,int nDesiredWidth
	170	,int nDesiredHeight
	171	)
	172	{
	173	return FALSE;
	174	}
b4eb4c6b DW	175	};
	176
	177	class WXDLLEXPORT wxICOFileHandler : public wxIconHandler
	178	{
	179	public:
	180	wxICOFileHandler() : wxIconHandler(_T("ICO icon file"),
	181	_T("ico"),
	182	wxBITMAP_TYPE_ICO)
	183	{
	184	}
	185
	186	virtual bool LoadIcon( wxIcon * pIcon
	187	,const wxString& rName
	188	,HPS hPs
	189	,long lFlags
	190	,int nDesiredWidth = -1
	191	,int nDesiredHeight = -1
	192	);
	193
	194	private:
	195	DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
	196	};
	197
	198	class WXDLLEXPORT wxICOResourceHandler: public wxIconHandler
	199	{
	200	public:
	201	wxICOResourceHandler() : wxIconHandler(_T("ICO resource"),
	202	_T("ico"),
	203	wxBITMAP_TYPE_ICO_RESOURCE)
	204	{
	205	}
	206
	207	virtual bool LoadIcon( wxIcon* pIcon
	208	,const wxString& rName
	209	,HPS hPs
	210	,long lFlags
	211	,int nDesiredWidth = -1
	212	,int nDesiredHeight = -1
	213	);
	214
	215	private:
	216	DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
	217	};
	218
	219	// ----------------------------------------------------------------------------
	220	// wxWin macros
	221	// ----------------------------------------------------------------------------
	222
	223	#if !USE_SHARED_LIBRARIES
	224	IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
	225	IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
4a46a5df DW	226	IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject)
4a46a5df DW	227	IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)
b4eb4c6b DW	228	#endif
b4eb4c6b DW	229
b4eb4c6b DW	230	// ============================================================================
	231	// implementation
	232	// ============================================================================
	233
258f5b3e	234	wxGDIImageHandlerList wxGDIImage::ms_handlers;
b4eb4c6b DW	235
	236	// ----------------------------------------------------------------------------
	237	// wxGDIImage functions forwarded to wxGDIImageRefData
	238	// ----------------------------------------------------------------------------
	239
	240	bool wxGDIImage::FreeResource(
	241	bool WXUNUSED(bForce)
	242	)
	243	{
	244	if ( !IsNull() )
	245	{
	246	GetGDIImageData()->Free();
	247	GetGDIImageData()->m_hHandle = 0;
	248	}
	249
	250	return(TRUE);
	251	}
	252
	253	WXHANDLE wxGDIImage::GetResourceHandle()
	254	{
	255	return GetHandle();
	256	}
	257
	258	// ----------------------------------------------------------------------------
	259	// wxGDIImage handler stuff
	260	// ----------------------------------------------------------------------------
	261
	262	void wxGDIImage::AddHandler(
	263	wxGDIImageHandler* pHandler
	264	)
	265	{
	266	ms_handlers.Append(pHandler);
	267	}
	268
	269	void wxGDIImage::InsertHandler(
	270	wxGDIImageHandler* pHandler
	271	)
	272	{
	273	ms_handlers.Insert(pHandler);
	274	}
	275
	276	bool wxGDIImage::RemoveHandler(
	277	const wxString& rName
	278	)
	279	{
	280	wxGDIImageHandler* pHandler = FindHandler(rName);
	281
	282	if (pHandler)
	283	{
	284	ms_handlers.DeleteObject(pHandler);
	285	return(TRUE);
	286	}
	287	else
	288	return(FALSE);
	289	}
	290
	291	wxGDIImageHandler* wxGDIImage::FindHandler(
	292	const wxString& rName
	293	)
	294	{
53ac3021 DW	295	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
	296
	297	while ( pNode )
b4eb4c6b	298	{
53ac3021 DW	299	wxGDIImageHandler* pHandler = pNode->GetData();
	300
	301	if ( pHandler->GetName() == rName )
	302	return pHandler;
	303	pNode = pNode->GetNext();
b4eb4c6b	304	}
eb65cb34	305	return((wxGDIImageHandler*)NULL);
b4eb4c6b DW	306	}
	307
	308	wxGDIImageHandler* wxGDIImage::FindHandler(
	309	const wxString& rExtension
	310	, long lType
	311	)
	312	{
53ac3021 DW	313	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
53ac3021 DW	314	while ( pNode )
b4eb4c6b	315	{
53ac3021 DW	316	wxGDIImageHandler* pHandler = pNode->GetData();
	317
	318	if ( (pHandler->GetExtension() = rExtension) &&
	319	(lType == -1 \|\| pHandler->GetType() == lType) )
b4eb4c6b	320	{
53ac3021	321	return pHandler;
b4eb4c6b	322	}
53ac3021	323	pNode = pNode->GetNext();
b4eb4c6b	324	}
eb65cb34	325	return((wxGDIImageHandler*)NULL);
b4eb4c6b DW	326	}
	327
	328	wxGDIImageHandler* wxGDIImage::FindHandler(
	329	long lType
	330	)
	331	{
53ac3021 DW	332	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
	333
	334	while ( pNode )
b4eb4c6b	335	{
53ac3021	336	wxGDIImageHandler* pHandler = pNode->GetData();
b4eb4c6b	337
53ac3021 DW	338	if ( pHandler->GetType() == lType )
	339	return pHandler;
	340	pNode = pNode->GetNext();
b4eb4c6b	341	}
258f5b3e	342	return((wxGDIImageHandler*)NULL);
b4eb4c6b DW	343	}
	344
	345	void wxGDIImage::CleanUpHandlers()
	346	{
53ac3021 DW	347	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
	348
	349	while ( pNode )
b4eb4c6b	350	{
53ac3021 DW	351	wxGDIImageHandler* pHandler = pNode->GetData();
	352	wxGDIImageHandlerList::compatibility_iterator pNext = pNode->GetNext();
	353
	354	delete pHandler;
	355	ms_handlers.Erase( pNode );
	356	pNode = pNext;
b4eb4c6b DW	357	}
	358	}
	359
	360	void wxGDIImage::InitStandardHandlers()
	361	{
	362	AddHandler(new wxBMPResourceHandler);
	363	AddHandler(new wxBMPFileHandler);
b4eb4c6b DW	364	AddHandler(new wxICOResourceHandler);
	365	AddHandler(new wxICOFileHandler);
	366	}
	367
	368	// ----------------------------------------------------------------------------
	369	// wxBitmap handlers
	370	// ----------------------------------------------------------------------------
	371
	372	bool wxBMPResourceHandler::LoadFile(
	373	wxBitmap* pBitmap
3029781e	374	, int nId
b4eb4c6b DW	375	, long lFlags
	376	, int nDesiredWidth
	377	, int nDesiredHeight
	378	)
	379	{
3029781e DW	380	SIZEL vSize = {0, 0};
	381	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	382	HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
	383	HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS \| GPIA_ASSOC);
	384
	385	pBitmap->SetHBITMAP((WXHBITMAP)::GpiLoadBitmap( hPS
	386	,NULLHANDLE
	387	,nId
	388	,0
	389	,0
	390	));
	391	::GpiDestroyPS(hPS);
	392	::DevCloseDC(hDC);
	393
	394	wxBitmapRefData* pData = pBitmap->GetBitmapData();
	395
	396	if ( pBitmap->Ok() )
b4eb4c6b	397	{
3029781e	398	BITMAPINFOHEADER vBmph;
b4eb4c6b	399
3029781e DW	400	::GpiQueryBitmapParameters(GetHbitmapOf(*pBitmap), &vBmph);
	401	pData->m_nWidth = vBmph.cx;
	402	pData->m_nHeight = vBmph.cy;
	403	pData->m_nDepth = vBmph.cBitCount;
b4eb4c6b	404	}
3029781e DW	405	return(pBitmap->Ok());
3029781e DW	406	} // end of wxBMPResourceHandler::LoadFile
b4eb4c6b DW	407
	408	bool wxBMPFileHandler::LoadFile(
	409	wxBitmap* pBitmap
	410	, const wxString& rName
	411	, HPS hPs
	412	, long WXUNUSED(lFlags)
	413	, int WXUNUSED(nDesiredWidth)
	414	, int WXUNUSED(nDesiredHeight)
	415	)
	416	{
	417	#if wxUSE_IMAGE_LOADING_IN_OS2
	418	wxPalette* pPalette = NULL;
	419
	420	bool bSuccess = FALSE; /* wxLoadIntoBitmap( WXSTRINGCAST rName
	421	,pBitmap
	422	,&pPalette
	423	) != 0; */
	424	if (bSuccess && pPalette)
	425	{
	426	pBitmap->SetPalette(*pPalette);
	427	}
	428
	429	// it was copied by the bitmap if it was loaded successfully
	430	delete pPalette;
	431
	432	return(bSuccess);
	433	#else
	434	return(FALSE);
	435	#endif
	436	}
	437
	438	bool wxBMPFileHandler::SaveFile(
	439	wxBitmap* pBitmap
	440	, const wxString& rName
	441	, int WXUNUSED(nType)
	442	, const wxPalette* pPal
	443	)
	444	{
	445	#if wxUSE_IMAGE_LOADING_IN_OS2
	446	wxPalette* pActualPalette = (wxPalette *)pPal;
	447
	448	if (!pActualPalette)
	449	pActualPalette = pBitmap->GetPalette();
	450	/* return(wxSaveBitmap( WXSTRINGCAST rName
	451	,pBitmap
	452	,pActualPalette
	453	) != 0); */
	454	return(FALSE);
	455	#else
	456	return(FALSE);
	457	#endif
	458	}
	459
	460	// ----------------------------------------------------------------------------
	461	// wxIcon handlers
	462	// ----------------------------------------------------------------------------
	463
	464	bool wxICOFileHandler::LoadIcon(
	465	wxIcon* pIcon
	466	, const wxString& rName
	467	, HPS hPs
	468	, long lFlags
	469	, int nDesiredWidth
	470	, int nDesiredHeight
471	)
472	{
473	#if wxUSE_RESOURCE_LOADING_IN_OS2
474	pIcon->UnRef();
475
476	// actual size
477	wxSize vSize;
478
b4eb4c6b DW	479	return(FALSE);
	480	#else
	481	return(FALSE);
	482	#endif
	483	}
	484
	485	bool wxICOResourceHandler::LoadIcon(
	486	wxIcon* pIcon
	487	, const wxString& rName
	488	, HPS hPs
	489	, long lFlags
22e90769 DW	490	, int WXUNUSED(nDesiredWidth)
22e90769 DW	491	, int WXUNUSED(nDesiredHeight)
b4eb4c6b DW	492	)
b4eb4c6b DW	493	{
22e90769	494	HPOINTER hIcon;
b4eb4c6b	495
22e90769 DW	496	hIcon = ::WinLoadFileIcon( (PSZ)rName.c_str()
	497	,TRUE // load for private use
	498	);
b4eb4c6b	499
22e90769	500	pIcon->SetSize(32, 32); // all OS/2 icons are 32 x 32
b4eb4c6b	501
b4eb4c6b	502
22e90769	503	pIcon->SetHICON((WXHICON)hIcon);
b4eb4c6b	504
22e90769 DW	505	return pIcon->Ok();
22e90769 DW	506	} // end of wxICOResourceHandler::LoadIcon
b4eb4c6b	507