Fix for the fact that unmapped but managed widgets

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

diff --git a/src/os2/utils.cpp b/src/os2/utils.cpp
index 94a7823eebfe91e39dcf9cea616fe7f555d96963..f6e2cde567b9f263a654be6078c5e3d3635ccb09 100644 (file)
--- a/src/os2/utils.cpp
+++ b/src/os2/utils.cpp
@@ -6,7 +6,7 @@
 // Created:     09/17/99
 // RCS-ID:      $Id$
 // Copyright:   (c) David Webster
 // Created:     09/17/99
 // RCS-ID:      $Id$
 // Copyright:   (c) David Webster

-// Licence:     wxWindows license
+// Licence:     wxWindows licence

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


@@ -105,7 +105,7 @@ bool wxGetUserId(
 , int                               nType
 )
 {
 , int                               nType
 )
 {

-#ifndef __EMX__
+#if defined(__VISAGECPP__)

     long                            lrc;
     // UPM procs return 0 on success
     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);
     long                            lrc;
     // UPM procs return 0 on success
     lrc = U32ELOCU((unsigned char*)zBuf, (unsigned long *)&nType);


@@ -131,7 +131,8 @@ bool wxGetUserName(
 
 int wxKill(
   long                              lPid
 
 int wxKill(
   long                              lPid

-, int                               nSig
+, wxSignal                          eSig
+, wxKillError*                      peError

 )
 {
     return((int)::DosKillProcess(0, (PID)lPid));
 )
 {
     return((int)::DosKillProcess(0, (PID)lPid));


@@ -197,6 +198,13 @@ bool wxShell(
     return (rc != 0);
 }
 
     return (rc != 0);
 }
 

+// Shutdown or reboot the PC
+bool wxShutdown(wxShutdownFlags wFlags)
+{
+    // TODO
+    return FALSE;
+}
+

 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 long wxGetFreeMemory()
 {
 // Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
 long wxGetFreeMemory()
 {


@@ -290,6 +298,8 @@ void wxFlushEvents()
 //  wxYield();
 }
 
 //  wxYield();
 }
 

+#if WXWIN_COMPATIBILITY_2_2
+

 // Output a debug mess., in a system dependent fashion.
 void wxDebugMsg(
   const wxChar*                     zFmt ...
 // Output a debug mess., in a system dependent fashion.
 void wxDebugMsg(
   const wxChar*                     zFmt ...


@@ -342,6 +352,8 @@ void wxFatalError(
     DosExit(EXIT_PROCESS, ulRc);
 }
 
     DosExit(EXIT_PROCESS, ulRc);
 }
 

+#endif // WXWIN_COMPATIBILITY_2_2
+

 // Emit a beeeeeep
 void wxBell()
 {
 // Emit a beeeeeep
 void wxBell()
 {


@@ -698,7 +710,7 @@ wxChar* wxGetUserHome (
         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
         {
             wxStrcpy(wxBuffer, zHome);
         if ((zHome = wxGetenv(_T("HOME"))) != NULL)
         {
             wxStrcpy(wxBuffer, zHome);

-            Unix2DosFilename(wxBuffer);
+            wxUnix2DosFilename(wxBuffer);

             wxStrcpy(zHome, wxBuffer);
             delete[] wxBuffer;
             return zHome;
             wxStrcpy(zHome, wxBuffer);
             delete[] wxBuffer;
             return zHome;


@@ -749,6 +761,7 @@ void wxGetMousePosition(
 // Return TRUE if we have a colour display
 bool wxColourDisplay()
 {
 // Return TRUE if we have a colour display
 bool wxColourDisplay()
 {

+#if 0

     HPS                             hpsScreen;
     HDC                             hdcScreen;
     LONG                            lColors;
     HPS                             hpsScreen;
     HDC                             hdcScreen;
     LONG                            lColors;


@@ -757,6 +770,11 @@ bool wxColourDisplay()
     hdcScreen = ::GpiQueryDevice(hpsScreen);
     ::DevQueryCaps(hdcScreen, CAPS_COLORS, 1L, &lColors);
     return(lColors > 1L);
     hdcScreen = ::GpiQueryDevice(hpsScreen);
     ::DevQueryCaps(hdcScreen, CAPS_COLORS, 1L, &lColors);
     return(lColors > 1L);

+#else
+    // I don't see how the PM display could not be color. Besides, this
+    // was leaking DCs and PSs!!!  MN
+    return TRUE;
+#endif

 }
 
 // Returns depth of screen
 }
 
 // Returns depth of screen


@@ -766,15 +784,20 @@ int wxDisplayDepth()
     HDC                             hdcScreen;
     LONG                            lPlanes;
     LONG                            lBitsPerPixel;
     HDC                             hdcScreen;
     LONG                            lPlanes;
     LONG                            lBitsPerPixel;

-    LONG                            nDepth;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, 1L, &lPlanes);
-    ::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitsPerPixel);
-
-    nDepth = (int)(lPlanes * lBitsPerPixel);
-    DevCloseDC(hdcScreen);
+    static LONG                     nDepth = 0;
+
+    // The screen colordepth ain't gonna change. No reason to query
+    // it over and over!
+    if (!nDepth) {
+        hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
+        hdcScreen = ::GpiQueryDevice(hpsScreen);
+        ::DevQueryCaps(hdcScreen, CAPS_COLOR_PLANES, 1L, &lPlanes);
+        ::DevQueryCaps(hdcScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitsPerPixel);
+
+        nDepth = (int)(lPlanes * lBitsPerPixel);
+        ::DevCloseDC(hdcScreen);
+        ::WinReleasePS(hpsScreen);
+    }

     return (nDepth);
 }
 
     return (nDepth);
 }
 


@@ -786,14 +809,18 @@ void wxDisplaySize(
 {
     HPS                             hpsScreen;
     HDC                             hdcScreen;
 {
     HPS                             hpsScreen;
     HDC                             hdcScreen;

-    LONG                            lWidth;
-    LONG                            lHeight;
-
-    hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
-    hdcScreen = ::GpiQueryDevice(hpsScreen);
-    ::DevQueryCaps(hdcScreen, CAPS_WIDTH, 1L, &lWidth);
-    ::DevQueryCaps(hdcScreen, CAPS_HEIGHT, 1L, &lHeight);
-    DevCloseDC(hdcScreen);
+    static LONG                     lWidth  = 0;
+    static LONG                     lHeight = 0;
+
+    // The screen size ain't gonna change either so just cache the values
+    if (!lWidth) {
+        hpsScreen = ::WinGetScreenPS(HWND_DESKTOP);
+        hdcScreen = ::GpiQueryDevice(hpsScreen);
+        ::DevQueryCaps(hdcScreen, CAPS_WIDTH, 1L, &lWidth);
+        ::DevQueryCaps(hdcScreen, CAPS_HEIGHT, 1L, &lHeight);
+        ::DevCloseDC(hdcScreen);
+        ::WinReleasePS(hpsScreen);
+    }

     *pWidth = (int)lWidth;
     *pHeight = (int)lHeight;
 }
     *pWidth = (int)lWidth;
     *pHeight = (int)lHeight;
 }


@@ -821,6 +848,8 @@ void wxDisplaySizeMM(
                        ,1L
                        ,(PLONG)pHeight
                       );
                        ,1L
                        ,(PLONG)pHeight
                       );

+    ::DevCloseDC(hdcScreen);
+    ::WinReleasePS(hpsScreen);

 }
 
 void wxClientDisplayRect(int *x, int *y, int *width, int *height)
 }
 
 void wxClientDisplayRect(int *x, int *y, int *width, int *height)


@@ -950,4 +979,550 @@ wxString WXDLLEXPORT wxPMErrorToStr(
     return(sError);
 } // end of wxPMErrorToStr
 
     return(sError);
 } // end of wxPMErrorToStr
 

+void wxDrawBorder(
+  HPS                               hPS
+, RECTL&                            rRect
+, WXDWORD                           dwStyle
+)
+{
+    POINTL                          vPoint[2];
+
+    vPoint[0].x = rRect.xLeft;
+    vPoint[0].y = rRect.yBottom;
+    ::GpiMove(hPS, &vPoint[0]);
+    if (dwStyle & wxSIMPLE_BORDER ||
+        dwStyle & wxSTATIC_BORDER)
+    {
+        vPoint[1].x = rRect.xRight - 1;
+        vPoint[1].y = rRect.yTop - 1;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+    }
+    if (dwStyle & wxSUNKEN_BORDER)
+    {
+        LINEBUNDLE                      vLineBundle;
+
+        vLineBundle.lColor     = 0x00FFFFFF; // WHITE
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[1].x = rRect.xRight - 1;
+        vPoint[1].y = rRect.yTop - 1;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+       vPoint[0].x = rRect.xLeft + 1;
+       vPoint[0].y = rRect.yBottom + 1;
+       ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xRight - 2;
+        vPoint[1].y = rRect.yTop - 2;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+
+        vLineBundle.lColor     = 0x00000000; // BLACK
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[0].x = rRect.xLeft + 2;
+        vPoint[0].y = rRect.yBottom + 2;
+        ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xLeft + 2;
+        vPoint[1].y = rRect.yTop - 3;
+        ::GpiLine(hPS, &vPoint[1]);
+        vPoint[1].x = rRect.xRight - 3;
+        vPoint[1].y = rRect.yTop - 3;
+        ::GpiLine(hPS, &vPoint[1]);
+
+        vPoint[0].x = rRect.xLeft + 3;
+        vPoint[0].y = rRect.yBottom + 3;
+        ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xLeft + 3;
+        vPoint[1].y = rRect.yTop - 4;
+        ::GpiLine(hPS, &vPoint[1]);
+        vPoint[1].x = rRect.xRight - 4;
+        vPoint[1].y = rRect.yTop - 4;
+        ::GpiLine(hPS, &vPoint[1]);
+    }
+    if (dwStyle & wxDOUBLE_BORDER)
+    {
+        LINEBUNDLE                      vLineBundle;
+
+        vLineBundle.lColor     = 0x00FFFFFF; // WHITE
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[1].x = rRect.xRight - 1;
+        vPoint[1].y = rRect.yTop - 1;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+        vLineBundle.lColor     = 0x00000000; // WHITE
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[0].x = rRect.xLeft + 2;
+        vPoint[0].y = rRect.yBottom + 2;
+        ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xRight - 2;
+        vPoint[1].y = rRect.yTop - 2;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+        vLineBundle.lColor     = 0x00FFFFFF; // BLACK
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[0].x = rRect.xLeft + 3;
+        vPoint[0].y = rRect.yBottom + 3;
+        ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xRight - 3;
+        vPoint[1].y = rRect.yTop - 3;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+    }
+    if (dwStyle & wxRAISED_BORDER)
+    {
+        LINEBUNDLE                      vLineBundle;
+
+        vLineBundle.lColor     = 0x00000000; // BLACK
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[1].x = rRect.xRight - 1;
+        vPoint[1].y = rRect.yTop - 1;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+       vPoint[0].x = rRect.xLeft + 1;
+       vPoint[0].y = rRect.yBottom + 1;
+       ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xRight - 2;
+        vPoint[1].y = rRect.yTop - 2;
+        ::GpiBox( hPS
+                 ,DRO_OUTLINE
+                 ,&vPoint[1]
+                 ,0L
+                 ,0L
+                );
+
+        vLineBundle.lColor     = 0x00FFFFFF; // WHITE
+        vLineBundle.usMixMode  = FM_OVERPAINT;
+        vLineBundle.fxWidth    = 2;
+        vLineBundle.lGeomWidth = 2;
+        vLineBundle.usType     = LINETYPE_SOLID;
+        vLineBundle.usEnd      = 0;
+        vLineBundle.usJoin     = 0;
+        ::GpiSetAttrs( hPS
+                      ,PRIM_LINE
+                      ,LBB_COLOR | LBB_MIX_MODE | LBB_WIDTH | LBB_GEOM_WIDTH | LBB_TYPE
+                      ,0L
+                      ,&vLineBundle
+                     );
+        vPoint[0].x = rRect.xLeft + 2;
+        vPoint[0].y = rRect.yBottom + 2;
+        ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xLeft + 2;
+        vPoint[1].y = rRect.yTop - 3;
+        ::GpiLine(hPS, &vPoint[1]);
+        vPoint[1].x = rRect.xRight - 3;
+        vPoint[1].y = rRect.yTop - 3;
+        ::GpiLine(hPS, &vPoint[1]);
+
+        vPoint[0].x = rRect.xLeft + 3;
+        vPoint[0].y = rRect.yBottom + 3;
+        ::GpiMove(hPS, &vPoint[0]);
+        vPoint[1].x = rRect.xLeft + 3;
+        vPoint[1].y = rRect.yTop - 4;
+        ::GpiLine(hPS, &vPoint[1]);
+        vPoint[1].x = rRect.xRight - 4;
+        vPoint[1].y = rRect.yTop - 4;
+        ::GpiLine(hPS, &vPoint[1]);
+    }
+} // end of wxDrawBorder
+
+void wxOS2SetFont(
+  HWND                              hWnd
+, const wxFont&                     rFont
+)
+{
+    char                            zFont[128];
+    char                            zFacename[30];
+    char                            zWeight[30];
+    char                            zStyle[30];
+
+    if (hWnd == NULLHANDLE)
+        return;

 
 

+    //
+    // The fonts available for Presentation Params are just a few
+    // outline fonts, the rest are available to the GPI, so we must
+    // map the families to one of these three
+    //
+    switch(rFont.GetFamily())
+    {
+        case wxSCRIPT:
+            strcpy(zFacename, "Script");
+            break;
+
+        case wxDECORATIVE:
+            strcpy(zFacename, "WarpSans");
+            break;
+
+        case wxROMAN:
+            strcpy(zFacename,"Times New Roman");
+            break;
+
+        case wxTELETYPE:
+            strcpy(zFacename, "Courier New");
+            break;
+
+        case wxMODERN:
+            strcpy(zFacename, "Courier New");
+            break;
+
+        case wxDEFAULT:
+        default:
+        case wxSWISS:
+            strcpy(zFacename, "Helvetica");
+            break;
+    }
+
+    switch(rFont.GetWeight())
+    {
+        default:
+        case wxNORMAL:
+        case wxLIGHT:
+            zWeight[0] = '\0';
+            break;
+
+        case wxBOLD:
+        case wxFONTWEIGHT_MAX:
+            strcpy(zWeight, "Bold");
+            break;
+    }
+
+    switch(rFont.GetStyle())
+    {
+        case wxITALIC:
+        case wxSLANT:
+            strcpy(zStyle, "Italic");
+            break;
+
+        default:
+            zStyle[0] = '\0';
+            break;
+    }
+    sprintf(zFont, "%d.%s", rFont.GetPointSize(), zFacename);
+    if (zWeight[0] != '\0')
+    {
+        strcat(zFont, " ");
+        strcat(zFont, zWeight);
+    }
+    if (zStyle[0] != '\0')
+    {
+        strcat(zFont, " ");
+        strcat(zFont, zStyle);
+    }
+    ::WinSetPresParam(hWnd, PP_FONTNAMESIZE, strlen(zFont) + 1, (PVOID)zFont);
+} // end of wxOS2SetFont
+
+// ---------------------------------------------------------------------------
+// Helper for taking a regular bitmap and giving it a disabled look
+// ---------------------------------------------------------------------------
+wxBitmap wxDisableBitmap(
+  const wxBitmap&                   rBmp
+, long                              lColor
+)
+{
+    wxMask*                         pMask = rBmp.GetMask();
+
+    if (!pMask)
+        return(wxNullBitmap);
+
+    DEVOPENSTRUC                    vDop  = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+    SIZEL                           vSize = {0, 0};
+    HDC                             hDC   = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
+    HPS                             hPS   = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
+    BITMAPINFOHEADER2               vHeader;
+    BITMAPINFO2                     vInfo;
+    ERRORID                         vError;
+    wxString                        sError;
+    HBITMAP                         hBitmap =  (HBITMAP)rBmp.GetHBITMAP();
+    HBITMAP                         hOldBitmap = NULLHANDLE;
+    HBITMAP                         hOldMask   = NULLHANDLE;
+    HBITMAP                         hMask = (HBITMAP)rBmp.GetMask()->GetMaskBitmap();
+    unsigned char*                  pucBits;     // buffer that will contain the bitmap data
+    unsigned char*                  pucData;     // pointer to use to traverse bitmap data
+    unsigned char*                  pucBitsMask; // buffer that will contain the mask data
+    unsigned char*                  pucDataMask; // pointer to use to traverse mask data
+    LONG                            lScans = 0L;
+    LONG                            lScansSet = 0L;
+    bool                            bpp16 = (wxDisplayDepth() == 16);
+
+    memset(&vHeader, '\0', 16);
+    vHeader.cbFix           = 16;
+
+    memset(&vInfo, '\0', 16);
+    vInfo.cbFix           = 16;
+    vInfo.cx              = (ULONG)rBmp.GetWidth();
+    vInfo.cy              = (ULONG)rBmp.GetHeight();
+    vInfo.cPlanes         = 1;
+    vInfo.cBitCount       = 24; // Set to desired count going in
+
+    //
+    // Create the buffers for data....all wxBitmaps are 24 bit internally
+    //
+    int                             nBytesPerLine = rBmp.GetWidth() * 3;
+    int                             nSizeDWORD    = sizeof(DWORD);
+    int                             nLineBoundary = nBytesPerLine % nSizeDWORD;
+    int                             nPadding = 0;
+    int                             i;
+    int                             j;
+
+    //
+    // Bitmap must be ina double-word alligned address so we may
+    // have some padding to worry about
+    //
+    if (nLineBoundary > 0)
+    {
+        nPadding     = nSizeDWORD - nLineBoundary;
+        nBytesPerLine += nPadding;
+    }
+    pucBits = (unsigned char *)malloc(nBytesPerLine * rBmp.GetHeight());
+    memset(pucBits, '\0', (nBytesPerLine * rBmp.GetHeight()));
+    pucBitsMask = (unsigned char *)malloc(nBytesPerLine * rBmp.GetHeight());
+    memset(pucBitsMask, '\0', (nBytesPerLine * rBmp.GetHeight()));
+
+    //
+    // Extract the bitmap and mask data
+    //
+    if ((hOldBitmap = ::GpiSetBitmap(hPS, hBitmap)) == HBM_ERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    ::GpiQueryBitmapInfoHeader(hBitmap, &vHeader);
+    vInfo.cBitCount = 24;
+    if ((lScans = ::GpiQueryBitmapBits( hPS
+                                       ,0L
+                                       ,(LONG)rBmp.GetHeight()
+                                       ,(PBYTE)pucBits
+                                       ,&vInfo
+                                      )) == GPI_ALTERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    if ((hOldMask = ::GpiSetBitmap(hPS, hMask)) == HBM_ERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    ::GpiQueryBitmapInfoHeader(hMask, &vHeader);
+    vInfo.cBitCount = 24;
+    if ((lScans = ::GpiQueryBitmapBits( hPS
+                                       ,0L
+                                       ,(LONG)rBmp.GetHeight()
+                                       ,(PBYTE)pucBitsMask
+                                       ,&vInfo
+                                      )) == GPI_ALTERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    if (( hMask = ::GpiSetBitmap(hPS, hOldMask)) == HBM_ERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    pucData     = pucBits;
+    pucDataMask = pucBitsMask;
+
+    //
+    // Get the mask value
+    //
+    for (i = 0; i < rBmp.GetHeight(); i++)
+    {
+        for (j = 0; j < rBmp.GetWidth(); j++)
+        {
+            // Byte 1
+            if (bpp16 && *pucDataMask == 0xF8) // 16 bit display gobblygook
+            {
+                *pucData = 0x7F;
+                pucData++;
+            }
+            else if (*pucDataMask == 0xFF) // set to grey
+            {
+                *pucData = 0x7F;
+                pucData++;
+            }
+            else
+            {
+                *pucData = ((unsigned char)(lColor >> 16));
+                pucData++;
+            }
+
+            // Byte 2
+            if (bpp16 && *(pucDataMask + 1) == 0xFC) // 16 bit display gobblygook
+            {
+                *pucData = 0x7F;
+                pucData++;
+            }
+            else if (*(pucDataMask + 1) == 0xFF) // set to grey
+            {
+                *pucData = 0x7F;
+                pucData++;
+            }
+            else
+            {
+                *pucData = ((unsigned char)(lColor >> 8));
+                pucData++;
+            }
+
+            // Byte 3
+            if (bpp16 && *(pucDataMask + 2) == 0xF8) // 16 bit display gobblygook
+            {
+                *pucData = 0x7F;
+                pucData++;
+            }
+            else if (*(pucDataMask + 2) == 0xFF) // set to grey
+            {
+                *pucData = 0x7F;
+                pucData++;
+            }
+            else
+            {
+                *pucData = ((unsigned char)lColor);
+                pucData++;
+            }
+            pucDataMask += 3;
+        }
+        for (j = 0; j < nPadding; j++)
+        {
+            pucData++;
+            pucDataMask++;
+        }
+    }
+
+    //
+    // Create a new bitmap and set the modified bits
+    //
+    wxBitmap                        vNewBmp( rBmp.GetWidth()
+                                            ,rBmp.GetHeight()
+                                            ,24
+                                           );
+    HBITMAP                         hNewBmp = (HBITMAP)vNewBmp.GetHBITMAP();
+
+    if ((hOldBitmap = ::GpiSetBitmap(hPS, hNewBmp)) == HBM_ERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    if ((lScansSet = ::GpiSetBitmapBits( hPS
+                                        ,0L
+                                        ,(LONG)rBmp.GetHeight()
+                                        ,(PBYTE)pucBits
+                                        ,&vInfo
+                                       )) == GPI_ALTERROR)
+
+    {
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }
+    wxMask*                         pNewMask;
+
+    pNewMask = new wxMask(pMask->GetMaskBitmap());
+    vNewBmp.SetMask(pNewMask);
+    free(pucBits);
+    ::GpiSetBitmap(hPS, NULLHANDLE);
+    ::GpiDestroyPS(hPS);
+    ::DevCloseDC(hDC);
+    if (vNewBmp.Ok())
+        return(vNewBmp);
+    return(wxNullBitmap);
+} // end of wxDisableBitmap
+
+COLORREF wxColourToRGB(
+  const wxColour&                   rColor
+)
+{
+    return(OS2RGB(rColor.Red(), rColor.Green(), rColor.Blue()));
+} // end of wxColourToRGB