-/////////////////////////////////////////////////////////////////////////////
-// Name: os2/xpmhand.cpp
-// Purpose: wxBitmap: XPM handler and constructors
-// Author: Julian Smart
-// Modified for OS/2 by: Evgeny Kotsuba
-// Created: 04/01/98
-// RCS-ID: $Id$
-// Copyright: (c) Julian Smart
-// Licence: wxWindows licence
-/////////////////////////////////////////////////////////////////////////////
-
-#ifdef __GNUG__
- #pragma implementation "xpmhand.h"
-#endif
-
-// For compilers that support precompilation, includes "wx.h".
-//#include "wx/wxprec.h"
-
-#ifdef __BORLANDC__
- #pragma hdrstop
-#endif
-
-#ifndef WX_PRECOMP
- #include "wx/list.h"
- #include "wx/utils.h"
- #include "wx/app.h"
- #include "wx/palette.h"
- #include "wx/dcmemory.h"
- #include "wx/bitmap.h"
- #include "wx/icon.h"
-#endif
-
-#include "wx/os2/private.h"
-#include "wx/log.h"
-
-
-#if wxUSE_XPM_IN_OS2
- #define FOR_MSW 1
- #include "xpm.h"
-#endif
-
-#include "wx/xpmhand.h"
-
-#if wxUSE_XPM_IN_OS2
-
-static void XpmToBitmap(
- wxBitmap* pBitmap
-, const XImage* pXimage
-, const XImage* pXmask
-, const XpmAttributes& rXpmAttr
-)
-{
- wxBitmapRefData* pRefData = pBitmap->GetBitmapData();
- pRefData->m_hBitmap = (WXHBITMAP)pXimage->bitmap;
-
- //
- // First set the bitmap width, height, depth...
- //
- BITMAPINFOHEADER vBm;
-
- if (!::GpiQueryBitmapParameters( GetHbitmapOf(*pBitmap)
- ,&vBm
- ))
- {
- wxLogLastError(wxT("GetObject(pBitmap)"));
- }
-
- pRefData->m_nWidth = vBm.cx;
- pRefData->m_nHeight = vBm.cy;
- pRefData->m_nDepth = vBm.cPlanes * vBm.cBitCount;
- pRefData->m_nNumColors = rXpmAttr.npixels;
-
- if (pXmask)
- {
- wxMask* pMask = new wxMask();
-
- pMask->SetMaskBitmap((WXHBITMAP) wxInvertMask( pXmask->bitmap
- ,vBm.cx
- ,vBm.cy
- ));
- pBitmap->SetMask(pMask);
- }
-} // end of XpmToBitmap
-
-IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler)
-
-bool wxXPMFileHandler::LoadFile(
- wxBitmap* pBitmap
-, const wxString& rName
-, long lFlags
-, int lDesiredWidth
-, int lDesiredHeight
-)
-{
- XImage* pXimage = NULL;
- XImage* pXmask = NULL;
- XpmAttributes vXpmAttr;
- HDC hDC;
- HPS hPS;
- DEVOPENSTRUC dOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
- SIZEL vSizl;
-
- hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&dOP, NULLHANDLE);
- hPS = ::GpiCreatePS(vHabmain, hDC, &vSizl, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
- if (hPS)
- {
- vXpmAttr.valuemask = XpmReturnPixels | XpmColorTable;
-
- int nErrorStatus = XpmReadFileToImage( &hPS
- ,wxMBSTRINGCAST rName.fn_str()
- ,&pXimage
- ,&pXmask
- ,&vXpmAttr
- );
- ::GpiDestroyPS(hPS);
- ::DevCloseDC(hDC);
- if (nErrorStatus == XpmSuccess)
- {
- XpmToBitmap( pBitmap
- ,pXimage
- ,pXmask
- ,vXpmAttr
- );
- XpmFree(vXpmAttr.pixels);
- XpmFreeAttributes(&vXpmAttr);
- XImageFree(pXimage);
- if (pXmask)
- XDestroyImage(pXmask);
- }
- return pBitmap->Ok();
- }
- return FALSE;
-} // end of wxXPMFileHandler::LoadFile
-
-bool wxXPMFileHandler::SaveFile(
- wxBitmap* pBitmap
-, const wxString& rName
-, int lType
-, const wxPalette* pPalette
-)
-{
- XImage vXimage;
- XImage vXmask;
- bool bHasmask = FALSE;
- HDC hDC;
- HPS hPS;
- DEVOPENSTRUC dOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
- SIZEL vSizl;
-
- hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&dOP, NULLHANDLE);
- hPS = ::GpiCreatePS(vHabmain, hDC, &vSizl, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
- if (hPS)
- {
- // fill the XImage struct 'by hand'
- wxBitmapRefData* pRefData = pBitmap->GetBitmapData();
-
- vXimage.width = pRefData->m_nWidth;
- vXimage.height = pRefData->m_nHeight;
- vXimage.depth = pRefData->m_nDepth;
- vXimage.bitmap = (HBITMAP)pRefData->m_hBitmap;
-
- bHasmask = (pRefData->m_pBitmapMask != NULL);
- if (bHasmask)
- {
- //
- // Strangely enough, the MSW version of xpmlib is not
- // coherent with itself regarding masks; we have to invert
- // the mask we get when loading, but we still must pass it
- // 'as is' when saving...
- //
- vXmask.bitmap = (HBITMAP)pRefData->m_pBitmapMask->GetMaskBitmap();
- vXmask.width = pRefData->m_nWidth;
- vXmask.height = pRefData->m_nHeight;
- vXmask.depth = 1;
- }
-
- int nErrorStatus = XpmWriteFileFromImage( &hPS
- ,wxMBSTRINGCAST rName.fn_str()
- ,&vXimage
- ,(bHasmask? &vXmask : (XImage *)NULL)
- ,(XpmAttributes *) NULL
- );
- ::GpiDestroyPS(hPS);
- ::DevCloseDC(hDC);
- return (nErrorStatus == XpmSuccess);
- }
- return FALSE;
-} // end of wxXPMFileHandler::SaveFile
-
-IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler)
-
-bool wxXPMDataHandler::Create(
- wxBitmap* pBitmap
-, void* pData
-, long lFlags
-, int nWidth
-, int nHeight
-, int nDepth
-)
-{
- XImage* pXimage = NULL;
- XImage* pXmask = NULL;
- XpmAttributes vXpmAttr;
- HDC hDC;
- HPS hPS;
- DEVOPENSTRUC dOP = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
- SIZEL vSizl;
-
- hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&dOP, NULLHANDLE);
- hPS = ::GpiCreatePS(vHabmain, hDC, &vSizl, PU_PELS | GPIT_MICRO | GPIA_ASSOC);
- if (hPS)
- {
- vXpmAttr.valuemask = XpmReturnInfos | XpmColorTable;
-
- int nErrorStatus = XpmCreateImageFromData( &hPS
- ,(char **)pData
- ,&pXimage
- ,&pXmask
- ,&vXpmAttr
- );
- ::GpiDestroyPS(hPS);
- ::DevCloseDC(hDC);
- if (nErrorStatus == XpmSuccess)
- {
- XpmToBitmap( pBitmap
- ,pXimage
- ,pXmask
- ,vXpmAttr
- );
- XpmFree(vXpmAttr.pixels);
- XpmFreeAttributes(&vXpmAttr);
- XImageFree(pXimage); // releases the malloc, but does not destroy bitmap
- if (pXmask)
- XDestroyImage(pXmask);
- }
- return pBitmap->Ok();
- }
- return FALSE;
-} // end of wxXPMDataHandler::Create
-
-#endif // wxUSE_XPM_IN_OS2
projects / wxWidgets.git / commitdiff
