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

///////////////////////////////////////////////////////////////////////////////
// Name:        src/os2/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
// ----------------------------------------------------------------------------

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


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

#include "wx/os2/private.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(wxT("Windows bitmap file"), wxT("bmp"),
                                         wxBITMAP_TYPE_BMP)
    {
    }

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

private:
    inline virtual bool LoadFile( wxBitmap*       pBitmap
                                 ,int             nId
                                 ,wxBitmapType    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(wxT("Windows bitmap resource"),
                                             wxEmptyString,
                                             wxBITMAP_TYPE_BMP_RESOURCE)
    {
    }

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

private:
    DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
};

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

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

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

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

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

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

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

private:
    DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
};

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

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

private:
    DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
};

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

IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject)
IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)

// ============================================================================
// 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() const
{
    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(NULL);
}

wxGDIImageHandler* wxGDIImage::FindHandler(
  const wxString&                   rExtension
, wxBitmapType                      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(NULL);
}

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

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

        if ( pHandler->GetType() == lType )
            return pHandler;
        pNode = pNode->GetNext();
    }
    return(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,
                                     wxBitmapType WXUNUSED(lFlags),
                                     int       WXUNUSED(nDesiredWidth),
                                     int       WXUNUSED(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->IsOk() )
    {
        BITMAPINFOHEADER            vBmph;

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

bool wxBMPFileHandler::LoadFile( wxBitmap*       pBitmap,
                                 const wxString& WXUNUSED(rName),
                                 HPS             WXUNUSED(hPs),
                                 wxBitmapType    WXUNUSED(lFlags),
                                 int             WXUNUSED(nDesiredWidth),
                                 int             WXUNUSED(nDesiredHeight) )
{
#if defined(wxUSE_IMAGE_LOADING_IN_OS2) && 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
    wxUnusedVar(pBitmap);
    return false;
#endif
}

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

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

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

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

    return false;
#else
    wxUnusedVar(pIcon);
    return false;
#endif
}

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

    hIcon = ::WinLoadFileIcon( 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->IsOk();
} // end of wxICOResourceHandler::LoadIcon
Commit	Line	Data
b4eb4c6b	1	///////////////////////////////////////////////////////////////////////////////
63a3cd7a	2	// Name: src/os2/gdiimage.cpp
b4eb4c6b DW	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
	20	// For compilers that support precompilation, includes "wx.h".
	21	#include "wx/wxprec.h"
	22
	23
	24	#ifndef WX_PRECOMP
	25	#include "wx/string.h"
670f9935	26	#include "wx/app.h"
b4eb4c6b DW	27	#endif // WX_PRECOMP
	28
	29	#include "wx/os2/private.h"
b4eb4c6b DW	30	#include "wx/os2/gdiimage.h"
b4eb4c6b DW	31
258f5b3e	32	#include "wx/listimpl.cpp"
412e0d47	33	WX_DEFINE_LIST(wxGDIImageHandlerList)
258f5b3e	34
b4eb4c6b DW	35	// ----------------------------------------------------------------------------
	36	// private classes
	37	// ----------------------------------------------------------------------------
	38
	39	// all image handlers are declared/defined in this file because the outside
	40	// world doesn't have to know about them (but only about wxBITMAP_TYPE_XXX ids)
	41
	42	class WXDLLEXPORT wxBMPFileHandler : public wxBitmapHandler
	43	{
	44	public:
9a83f860	45	wxBMPFileHandler() : wxBitmapHandler(wxT("Windows bitmap file"), wxT("bmp"),
b4eb4c6b DW	46	wxBITMAP_TYPE_BMP)
	47	{
	48	}
	49
	50	virtual bool LoadFile( wxBitmap* pBitmap
	51	,const wxString& rName
	52	,HPS hPs
6b5c2d52	53	,wxBitmapType lFlags
b4eb4c6b DW	54	,int nDesiredWidth
	55	,int nDesiredHeight
	56	);
	57	virtual bool SaveFile( wxBitmap* pBitmap
	58	,const wxString& rName
6b5c2d52	59	,wxBitmapType lType
b4eb4c6b DW	60	,const wxPalette* pPalette = NULL
	61	);
	62
	63	private:
3029781e DW	64	inline virtual bool LoadFile( wxBitmap* pBitmap
3029781e DW	65	,int nId
6b5c2d52	66	,wxBitmapType lFlags
3029781e DW	67	,int nDesiredWidth
	68	,int nDesiredHeight
	69	)
	70	{
	71	return wxBitmapHandler::LoadFile( pBitmap
	72	,nId
	73	,lFlags
	74	,nDesiredWidth
	75	,nDesiredHeight
	76	);
	77	}
b4eb4c6b DW	78	DECLARE_DYNAMIC_CLASS(wxBMPFileHandler)
	79	};
	80
	81	class WXDLLEXPORT wxBMPResourceHandler: public wxBitmapHandler
	82	{
	83	public:
9a83f860	84	wxBMPResourceHandler() : wxBitmapHandler(wxT("Windows bitmap resource"),
b4eb4c6b DW	85	wxEmptyString,
	86	wxBITMAP_TYPE_BMP_RESOURCE)
	87	{
	88	}
	89
	90	virtual bool LoadFile( wxBitmap* pBitmap
3029781e	91	,int nId
6b5c2d52	92	,wxBitmapType lFlags
b4eb4c6b DW	93	,int nDesiredWidth
	94	,int nDesiredHeight
	95	);
	96
	97	private:
	98	DECLARE_DYNAMIC_CLASS(wxBMPResourceHandler)
	99	};
	100
	101	class WXDLLEXPORT wxIconHandler : public wxGDIImageHandler
	102	{
	103	public:
	104	wxIconHandler( const wxString& rName
	105	,const wxString& rExt
6b5c2d52	106	,wxBitmapType lType
b4eb4c6b DW	107	) : wxGDIImageHandler( rName
	108	,rExt
	109	,lType
	110	)
	111	{
	112	}
	113
	114	// creating and saving icons is not supported
	115	virtual bool Create( wxGDIImage* WXUNUSED(pImage)
452418c4	116	,const void* WXUNUSED(pData)
6b5c2d52	117	,wxBitmapType WXUNUSED(lFlags)
b4eb4c6b DW	118	,int WXUNUSED(nWidth)
	119	,int WXUNUSED(nHeight)
	120	,int WXUNUSED(nDepth) = 1
	121	)
	122	{
63a3cd7a	123	return false;
b4eb4c6b DW	124	}
b4eb4c6b DW	125
6b5c2d52 SN	126	virtual bool Save( const wxGDIImage* WXUNUSED(pImage)
	127	,const wxString& WXUNUSED(rName)
	128	,wxBitmapType WXUNUSED(nType)
	129	) const
b4eb4c6b	130	{
63a3cd7a	131	return false;
b4eb4c6b DW	132	}
	133	virtual bool Load( wxGDIImage* pImage
	134	,const wxString& rName
	135	,HPS hPs
6b5c2d52	136	,wxBitmapType lFlags
b4eb4c6b DW	137	,int nDesiredWidth
	138	,int nDesiredHeight
	139	)
	140	{
	141	wxIcon* pIcon = wxDynamicCast(pImage, wxIcon);
9a83f860	142	wxCHECK_MSG(pIcon, false, wxT("wxIconHandler only works with icons"));
b4eb4c6b DW	143
	144	return LoadIcon( pIcon
	145	,rName
	146	,hPs
	147	,lFlags
	148	,nDesiredWidth
	149	,nDesiredHeight
	150	);
	151	}
	152
	153	protected:
	154	virtual bool LoadIcon( wxIcon* pIcon
	155	,const wxString& rName
	156	,HPS hPs
6b5c2d52	157	,wxBitmapType lFlags
b4eb4c6b DW	158	,int nDesiredWidth = -1
	159	,int nDesiredHeight = -1
	160	) = 0;
3029781e	161	private:
6670f564 WS	162	inline virtual bool Load( wxGDIImage* WXUNUSED(pImage),
6670f564 WS	163	int WXUNUSED(nId),
6b5c2d52	164	wxBitmapType WXUNUSED(lFlags),
6670f564 WS	165	int WXUNUSED(nDesiredWidth),
6670f564 WS	166	int WXUNUSED(nDesiredHeight) )
3029781e	167	{
6670f564	168	return false;
3029781e	169	}
b4eb4c6b DW	170	};
	171
	172	class WXDLLEXPORT wxICOFileHandler : public wxIconHandler
	173	{
	174	public:
9a83f860 VZ	175	wxICOFileHandler() : wxIconHandler(wxT("ICO icon file"),
9a83f860 VZ	176	wxT("ico"),
b4eb4c6b DW	177	wxBITMAP_TYPE_ICO)
	178	{
	179	}
	180
	181	virtual bool LoadIcon( wxIcon * pIcon
	182	,const wxString& rName
	183	,HPS hPs
6b5c2d52	184	,wxBitmapType lFlags
b4eb4c6b DW	185	,int nDesiredWidth = -1
	186	,int nDesiredHeight = -1
	187	);
	188
	189	private:
	190	DECLARE_DYNAMIC_CLASS(wxICOFileHandler)
	191	};
	192
	193	class WXDLLEXPORT wxICOResourceHandler: public wxIconHandler
	194	{
	195	public:
9a83f860 VZ	196	wxICOResourceHandler() : wxIconHandler(wxT("ICO resource"),
9a83f860 VZ	197	wxT("ico"),
b4eb4c6b DW	198	wxBITMAP_TYPE_ICO_RESOURCE)
	199	{
	200	}
	201
	202	virtual bool LoadIcon( wxIcon* pIcon
	203	,const wxString& rName
	204	,HPS hPs
6b5c2d52	205	,wxBitmapType lFlags
b4eb4c6b DW	206	,int nDesiredWidth = -1
	207	,int nDesiredHeight = -1
	208	);
	209
	210	private:
	211	DECLARE_DYNAMIC_CLASS(wxICOResourceHandler)
	212	};
	213
	214	// ----------------------------------------------------------------------------
	215	// wxWin macros
	216	// ----------------------------------------------------------------------------
	217
62f864c3 VZ	218	IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
	219	IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
	220	IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject)
	221	IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)
b4eb4c6b	222
b4eb4c6b DW	223	// ============================================================================
	224	// implementation
	225	// ============================================================================
	226
258f5b3e	227	wxGDIImageHandlerList wxGDIImage::ms_handlers;
b4eb4c6b DW	228
	229	// ----------------------------------------------------------------------------
	230	// wxGDIImage functions forwarded to wxGDIImageRefData
	231	// ----------------------------------------------------------------------------
	232
6670f564	233	bool wxGDIImage::FreeResource( bool WXUNUSED(bForce) )
b4eb4c6b DW	234	{
	235	if ( !IsNull() )
	236	{
	237	GetGDIImageData()->Free();
	238	GetGDIImageData()->m_hHandle = 0;
	239	}
	240
6670f564	241	return true;
b4eb4c6b DW	242	}
b4eb4c6b DW	243
17b1d76b	244	WXHANDLE wxGDIImage::GetResourceHandle() const
b4eb4c6b DW	245	{
	246	return GetHandle();
	247	}
	248
	249	// ----------------------------------------------------------------------------
	250	// wxGDIImage handler stuff
	251	// ----------------------------------------------------------------------------
	252
6670f564	253	void wxGDIImage::AddHandler( wxGDIImageHandler* pHandler )
b4eb4c6b DW	254	{
	255	ms_handlers.Append(pHandler);
	256	}
	257
6670f564	258	void wxGDIImage::InsertHandler( wxGDIImageHandler* pHandler )
b4eb4c6b DW	259	{
	260	ms_handlers.Insert(pHandler);
	261	}
	262
6670f564	263	bool wxGDIImage::RemoveHandler( const wxString& rName )
b4eb4c6b DW	264	{
	265	wxGDIImageHandler* pHandler = FindHandler(rName);
	266
	267	if (pHandler)
	268	{
	269	ms_handlers.DeleteObject(pHandler);
6670f564	270	return true;
b4eb4c6b DW	271	}
b4eb4c6b DW	272	else
6670f564	273	return false;
b4eb4c6b DW	274	}
	275
	276	wxGDIImageHandler* wxGDIImage::FindHandler(
	277	const wxString& rName
	278	)
	279	{
53ac3021 DW	280	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
	281
	282	while ( pNode )
b4eb4c6b	283	{
53ac3021 DW	284	wxGDIImageHandler* pHandler = pNode->GetData();
	285
	286	if ( pHandler->GetName() == rName )
	287	return pHandler;
	288	pNode = pNode->GetNext();
b4eb4c6b	289	}
d3b9f782	290	return(NULL);
b4eb4c6b DW	291	}
	292
	293	wxGDIImageHandler* wxGDIImage::FindHandler(
	294	const wxString& rExtension
6b5c2d52	295	, wxBitmapType lType
b4eb4c6b DW	296	)
b4eb4c6b DW	297	{
53ac3021 DW	298	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
53ac3021 DW	299	while ( pNode )
b4eb4c6b	300	{
53ac3021 DW	301	wxGDIImageHandler* pHandler = pNode->GetData();
53ac3021 DW	302
96ad3e4e	303	if ( (pHandler->GetExtension() == rExtension) &&
53ac3021	304	(lType == -1 \|\| pHandler->GetType() == lType) )
b4eb4c6b	305	{
53ac3021	306	return pHandler;
b4eb4c6b	307	}
53ac3021	308	pNode = pNode->GetNext();
b4eb4c6b	309	}
d3b9f782	310	return(NULL);
b4eb4c6b DW	311	}
	312
	313	wxGDIImageHandler* wxGDIImage::FindHandler(
6b5c2d52	314	wxBitmapType lType
b4eb4c6b DW	315	)
b4eb4c6b DW	316	{
53ac3021 DW	317	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
	318
	319	while ( pNode )
b4eb4c6b	320	{
53ac3021	321	wxGDIImageHandler* pHandler = pNode->GetData();
b4eb4c6b	322
53ac3021 DW	323	if ( pHandler->GetType() == lType )
	324	return pHandler;
	325	pNode = pNode->GetNext();
b4eb4c6b	326	}
d3b9f782	327	return(NULL);
b4eb4c6b DW	328	}
	329
	330	void wxGDIImage::CleanUpHandlers()
	331	{
53ac3021 DW	332	wxGDIImageHandlerList::compatibility_iterator pNode = ms_handlers.GetFirst();
	333
	334	while ( pNode )
b4eb4c6b	335	{
53ac3021 DW	336	wxGDIImageHandler* pHandler = pNode->GetData();
	337	wxGDIImageHandlerList::compatibility_iterator pNext = pNode->GetNext();
	338
	339	delete pHandler;
	340	ms_handlers.Erase( pNode );
	341	pNode = pNext;
b4eb4c6b DW	342	}
	343	}
	344
	345	void wxGDIImage::InitStandardHandlers()
	346	{
	347	AddHandler(new wxBMPResourceHandler);
	348	AddHandler(new wxBMPFileHandler);
b4eb4c6b DW	349	AddHandler(new wxICOResourceHandler);
	350	AddHandler(new wxICOFileHandler);
	351	}
	352
	353	// ----------------------------------------------------------------------------
	354	// wxBitmap handlers
	355	// ----------------------------------------------------------------------------
	356
6670f564 WS	357	bool wxBMPResourceHandler::LoadFile( wxBitmap* pBitmap,
6670f564 WS	358	int nId,
6b5c2d52	359	wxBitmapType WXUNUSED(lFlags),
6670f564 WS	360	int WXUNUSED(nDesiredWidth),
6670f564 WS	361	int WXUNUSED(nDesiredHeight) )
b4eb4c6b	362	{
3029781e DW	363	SIZEL vSize = {0, 0};
	364	DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
	365	HDC hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
	366	HPS hPS = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS \| GPIA_ASSOC);
	367
	368	pBitmap->SetHBITMAP((WXHBITMAP)::GpiLoadBitmap( hPS
	369	,NULLHANDLE
	370	,nId
	371	,0
	372	,0
	373	));
	374	::GpiDestroyPS(hPS);
	375	::DevCloseDC(hDC);
	376
	377	wxBitmapRefData* pData = pBitmap->GetBitmapData();
	378
a1b806b9	379	if ( pBitmap->IsOk() )
b4eb4c6b	380	{
3029781e	381	BITMAPINFOHEADER vBmph;
b4eb4c6b	382
3029781e DW	383	::GpiQueryBitmapParameters(GetHbitmapOf(*pBitmap), &vBmph);
	384	pData->m_nWidth = vBmph.cx;
	385	pData->m_nHeight = vBmph.cy;
	386	pData->m_nDepth = vBmph.cBitCount;
b4eb4c6b	387	}
a1b806b9	388	return(pBitmap->IsOk());
3029781e	389	} // end of wxBMPResourceHandler::LoadFile
b4eb4c6b	390
6670f564 WS	391	bool wxBMPFileHandler::LoadFile( wxBitmap* pBitmap,
	392	const wxString& WXUNUSED(rName),
	393	HPS WXUNUSED(hPs),
6b5c2d52	394	wxBitmapType WXUNUSED(lFlags),
6670f564 WS	395	int WXUNUSED(nDesiredWidth),
6670f564 WS	396	int WXUNUSED(nDesiredHeight) )
b4eb4c6b	397	{
63a3cd7a	398	#if defined(wxUSE_IMAGE_LOADING_IN_OS2) && wxUSE_IMAGE_LOADING_IN_OS2
6670f564	399	wxPalette* pPalette = NULL;
b4eb4c6b	400
6670f564 WS	401	bool bSuccess = false; /* wxLoadIntoBitmap( WXSTRINGCAST rName
	402	,pBitmap
	403	,&pPalette
	404	) != 0; */
b4eb4c6b DW	405	if (bSuccess && pPalette)
	406	{
	407	pBitmap->SetPalette(*pPalette);
	408	}
	409
	410	// it was copied by the bitmap if it was loaded successfully
	411	delete pPalette;
	412
	413	return(bSuccess);
	414	#else
6670f564 WS	415	wxUnusedVar(pBitmap);
6670f564 WS	416	return false;
b4eb4c6b DW	417	#endif
	418	}
	419
6670f564 WS	420	bool wxBMPFileHandler::SaveFile( wxBitmap* pBitmap,
6670f564 WS	421	const wxString& WXUNUSED(rName),
6b5c2d52	422	wxBitmapType WXUNUSED(nType),
6670f564	423	const wxPalette* pPal )
b4eb4c6b	424	{
63a3cd7a	425	#if defined(wxUSE_IMAGE_LOADING_IN_OS2) && wxUSE_IMAGE_LOADING_IN_OS2
6670f564	426	wxPalette* pActualPalette = (wxPalette *)pPal;
b4eb4c6b DW	427
	428	if (!pActualPalette)
	429	pActualPalette = pBitmap->GetPalette();
	430	/* return(wxSaveBitmap( WXSTRINGCAST rName
	431	,pBitmap
	432	,pActualPalette
	433	) != 0); */
6670f564	434	return false;
b4eb4c6b	435	#else
6670f564 WS	436	wxUnusedVar(pBitmap);
	437	wxUnusedVar(pPal);
	438	return false;
b4eb4c6b DW	439	#endif
	440	}
	441
	442	// ----------------------------------------------------------------------------
	443	// wxIcon handlers
	444	// ----------------------------------------------------------------------------
	445
6670f564 WS	446	bool wxICOFileHandler::LoadIcon( wxIcon* pIcon,
	447	const wxString& WXUNUSED(rName),
	448	HPS WXUNUSED(hPs),
6b5c2d52	449	wxBitmapType WXUNUSED(lFlags),
6670f564 WS	450	int WXUNUSED(nDesiredWidth),
6670f564 WS	451	int WXUNUSED(nDesiredHeight) )
b4eb4c6b	452	{
63a3cd7a	453	#if defined(wxUSE_RESOURCE_LOADING_IN_OS2) && wxUSE_RESOURCE_LOADING_IN_OS2
b4eb4c6b DW	454	pIcon->UnRef();
b4eb4c6b DW	455
6670f564	456	return false;
b4eb4c6b	457	#else
6670f564 WS	458	wxUnusedVar(pIcon);
6670f564 WS	459	return false;
b4eb4c6b DW	460	#endif
	461	}
	462
6670f564 WS	463	bool wxICOResourceHandler::LoadIcon( wxIcon* pIcon,
	464	const wxString& rName,
	465	HPS WXUNUSED(hPs),
6b5c2d52	466	wxBitmapType WXUNUSED(lFlags),
6670f564 WS	467	int WXUNUSED(nDesiredWidth),
6670f564 WS	468	int WXUNUSED(nDesiredHeight) )
b4eb4c6b	469	{
22e90769	470	HPOINTER hIcon;
b4eb4c6b	471
96ad3e4e	472	hIcon = ::WinLoadFileIcon( rName.c_str()
22e90769 DW	473	,TRUE // load for private use
22e90769 DW	474	);
b4eb4c6b	475
22e90769	476	pIcon->SetSize(32, 32); // all OS/2 icons are 32 x 32
b4eb4c6b	477
22e90769	478	pIcon->SetHICON((WXHICON)hIcon);
b4eb4c6b	479
a1b806b9	480	return pIcon->IsOk();
22e90769	481	} // end of wxICOResourceHandler::LoadIcon