react to the year being changed in the spin control text zone and not only with the...

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

diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp
index 3b86f1c669577a4ee9151f12cd870ed9c8f1fd69..92ca4c551ee821f396dbb28174c1cb58b98d2fb9 100644 (file)
--- a/src/os2/bitmap.cpp
+++ b/src/os2/bitmap.cpp
@@ -86,6 +86,10 @@ void wxBitmapRefData::Free()
 // this function should be called from all wxBitmap ctors
 void wxBitmap::Init()
 {
 // this function should be called from all wxBitmap ctors
 void wxBitmap::Init()
 {

+    m_bIsMono = FALSE;
+    //
+    // True for all bitmaps created from bits, wxImages, Xpms
+    //

 } // end of wxBitmap::Init
 
 bool wxBitmap::CopyFromIconOrCursor(
 } // end of wxBitmap::Init
 
 bool wxBitmap::CopyFromIconOrCursor(


@@ -113,9 +117,11 @@ bool wxBitmap::CopyFromIconOrCursor(
 
     pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor;
 
 
     pRefData->m_hBitmap = (WXHBITMAP)SIconInfo.hbmColor;
 

-    //
-    // No mask in the Info struct in OS/2
-    //
+    wxMask*                         pMask = new wxMask(SIconInfo.hbmPointer);
+
+    pMask->SetMaskBitmap(GetHBITMAP());
+    SetMask(pMask);
+

     return(TRUE);
 } // end of wxBitmap::CopyFromIconOrCursor
 
     return(TRUE);
 } // end of wxBitmap::CopyFromIconOrCursor
 


@@ -227,6 +233,8 @@ wxBitmap::wxBitmap(
         pzData = (char *)zBits;    // const_cast is harmless
     }
 
         pzData = (char *)zBits;    // const_cast is harmless
     }
 

+    if (nDepth > 24)
+        nDepth = 24; // MAX supported in PM

     memset(&vHeader, '\0', 16);
     vHeader.cbFix           = 16;
     vHeader.cx              = (USHORT)nWidth;
     memset(&vHeader, '\0', 16);
     vHeader.cbFix           = 16;
     vHeader.cx              = (USHORT)nWidth;


@@ -260,7 +268,6 @@ wxBitmap::wxBitmap(
 )
 {
     Init();
 )
 {
     Init();

-

     (void)Create( nW
                  ,nH
                  ,nD
     (void)Create( nW
                  ,nH
                  ,nD


@@ -291,7 +298,6 @@ wxBitmap::wxBitmap(
 )
 {
     Init();
 )
 {
     Init();

-

     LoadFile( rFilename
              ,(int)lType
             );
     LoadFile( rFilename
              ,(int)lType
             );


@@ -313,6 +319,10 @@ bool wxBitmap::Create(
     GetBitmapData()->m_nHeight = nH;
     GetBitmapData()->m_nDepth = nD;
 
     GetBitmapData()->m_nHeight = nH;
     GetBitmapData()->m_nDepth = nD;
 

+    //
+    // Xpms and bitmaps from other images can also be mono's, but only
+    // mono's need help changing their colors with MemDC changes
+    //

     if (nD > 0)
     {
         DEVOPENSTRUC                vDop  = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
     if (nD > 0)
     {
         DEVOPENSTRUC                vDop  = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};


@@ -320,12 +330,14 @@ bool wxBitmap::Create(
         HDC                         hDC   = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
         HPS                         hPS   = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
 
         HDC                         hDC   = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
         HPS                         hPS   = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
 

+        if (nD == 1)
+            m_bIsMono = TRUE;

         memset(&vHeader, '\0', 16);
         vHeader.cbFix     =  16;
         vHeader.cx        = nW;
         vHeader.cy        = nH;
         vHeader.cPlanes   = 1;
         memset(&vHeader, '\0', 16);
         vHeader.cbFix     =  16;
         vHeader.cx        = nW;
         vHeader.cy        = nH;
         vHeader.cPlanes   = 1;

-        vHeader.cBitCount = nD;
+        vHeader.cBitCount = 24; //nD;

 
         hBmp = ::GpiCreateBitmap( hPS
                                  ,&vHeader
 
         hBmp = ::GpiCreateBitmap( hPS
                                  ,&vHeader


@@ -346,6 +358,9 @@ bool wxBitmap::Create(
         hDCScreen = ::GpiQueryDevice(hPSScreen);
         ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount);
 
         hDCScreen = ::GpiQueryDevice(hPSScreen);
         ::DevQueryCaps(hDCScreen, CAPS_COLOR_BITCOUNT, 1L, &lBitCount);
 

+        if (lBitCount > 24)
+            lBitCount = 24;
+

         memset(&vHeader, '\0', 16);
         vHeader.cbFix     =  16;
         vHeader.cx        = nW;
         memset(&vHeader, '\0', 16);
         vHeader.cbFix     =  16;
         vHeader.cx        = nW;


@@ -509,7 +524,6 @@ bool wxBitmap::CreateFromImage (
     wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
     m_refData = new wxBitmapRefData();
 
     wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
     m_refData = new wxBitmapRefData();
 

-

     int                             nSizeLimit = 1024 * 768 * 3;
     int                             nWidth = rImage.GetWidth();
     int                             nBmpHeight = rImage.GetHeight();
     int                             nSizeLimit = 1024 * 768 * 3;
     int                             nWidth = rImage.GetWidth();
     int                             nBmpHeight = rImage.GetHeight();


@@ -547,8 +561,12 @@ bool wxBitmap::CreateFromImage (
     wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
     SetWidth(nWidth);
     SetHeight(nBmpHeight);
     wxCHECK_MSG(rImage.Ok(), FALSE, wxT("invalid image"));
     SetWidth(nWidth);
     SetHeight(nBmpHeight);

+    if (nDepth == 1)
+        m_bIsMono = TRUE;
+    else
+        m_bIsMono = FALSE;

     if (nDepth == -1)
     if (nDepth == -1)

-        nDepth = 16; // wxDisplayDepth();
+        nDepth = wxDisplayDepth();

     SetDepth(nDepth);
 
 #if wxUSE_PALETTE
     SetDepth(nDepth);
 
 #if wxUSE_PALETTE


@@ -574,12 +592,6 @@ bool wxBitmap::CreateFromImage (
     vHeader.cPlanes         = 1L;
     vHeader.cBitCount       = 24;
 
     vHeader.cPlanes         = 1L;
     vHeader.cBitCount       = 24;
 

-    memset(&vInfo, '\0', 16);
-    vInfo.cbFix           = 16;
-    vInfo.cx              = (ULONG)nWidth;
-    vInfo.cy              = (ULONG)nHeight;
-    vInfo.cPlanes         = 1L;
-    vInfo.cBitCount       = 24;

     //
     // Memory for DIB data
     //
     //
     // Memory for DIB data
     //


@@ -591,6 +603,7 @@ bool wxBitmap::CreateFromImage (
         wxFAIL_MSG(wxT("could not allocate memory for DIB"));
         return FALSE;
     }
         wxFAIL_MSG(wxT("could not allocate memory for DIB"));
         return FALSE;
     }

+    memset(pucBits, '\0', (nBytePerLine * nHeight));

 
     //
     // Create and set the device-dependent bitmap
 
     //
     // Create and set the device-dependent bitmap


@@ -600,18 +613,24 @@ bool wxBitmap::CreateFromImage (
     HDC                             hDC   = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
     HPS                             hPS   = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
     LONG                            lScans;
     HDC                             hDC   = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
     HPS                             hPS   = ::GpiCreatePS(vHabmain, hDC, &vSize, PU_PELS | GPIA_ASSOC);
     LONG                            lScans;

-    HDC                             hDCScreen = ::WinOpenWindowDC(HWND_DESKTOP);
+    HDC                             hDCScreen = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);

     HPS                             hPSScreen;
     HBITMAP                         hBmp;
     HBITMAP                         hBmpOld;
 
     HPS                             hPSScreen;
     HBITMAP                         hBmp;
     HBITMAP                         hBmpOld;
 

+    memset(&vInfo, '\0', 16);
+    vInfo.cbFix           = 16;
+    vInfo.cx              = (ULONG)nWidth;
+    vInfo.cy              = (ULONG)nHeight;
+    vInfo.cPlanes         = 1;
+    vInfo.cBitCount       = 24; // Set to desired count going in
+

     hBmp = ::GpiCreateBitmap( hPS
                              ,&vHeader
                              ,0L
                              ,NULL
                              ,NULL
                             );
     hBmp = ::GpiCreateBitmap( hPS
                              ,&vHeader
                              ,0L
                              ,NULL
                              ,NULL
                             );

-    hBmpOld = ::GpiSetBitmap(hPS, hBmp);

 #if wxUSE_PALETTE
     HPAL                            hOldPalette = NULLHANDLE;
     if (rImage.GetPalette().Ok())
 #if wxUSE_PALETTE
     HPAL                            hOldPalette = NULLHANDLE;
     if (rImage.GetPalette().Ok())


@@ -631,6 +650,14 @@ bool wxBitmap::CreateFromImage (
     unsigned char*                  ptdata = pData;
     unsigned char*                  ptbits;
 
     unsigned char*                  ptdata = pData;
     unsigned char*                  ptbits;
 

+    if ((hBmpOld = ::GpiSetBitmap(hPS, hBmp)) == HBM_ERROR)
+    {
+        ERRORID                 vError;
+        wxString                sError;
+
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }

     for (n = 0; n < nNumDIB; n++)
     {
         if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0)
     for (n = 0; n < nNumDIB; n++)
     {
         if (nNumDIB > 1 && n == nNumDIB - 1 && nHRemain > 0)


@@ -661,12 +688,19 @@ bool wxBitmap::CreateFromImage (
         // Have to do something similar to WIN32's StretchDIBits, use GpiBitBlt
         // in combination with setting the bits into the selected bitmap
         //
         // Have to do something similar to WIN32's StretchDIBits, use GpiBitBlt
         // in combination with setting the bits into the selected bitmap
         //

-        lScans = ::GpiSetBitmapBits( hPS
-                                    ,0             // Start at the bottom
-                                    ,(LONG)nHeight // One line per scan
-                                    ,(PBYTE)pucBits
-                                    ,&vInfo
-                                   );
+        if ((lScans = ::GpiSetBitmapBits( hPS
+                                         ,0             // Start at the bottom
+                                         ,(LONG)nHeight // One line per scan
+                                         ,(PBYTE)pucBits
+                                         ,&vInfo
+                                       )) == GPI_ALTERROR)
+        {
+            ERRORID                 vError;
+            wxString                sError;
+
+            vError = ::WinGetLastError(vHabmain);
+            sError = wxPMErrorToStr(vError);
+        }

         hPSScreen = ::GpiCreatePS( vHabmain
                                   ,hDCScreen
                                   ,&vSize
         hPSScreen = ::GpiCreatePS( vHabmain
                                   ,hDCScreen
                                   ,&vSize


@@ -700,11 +734,11 @@ bool wxBitmap::CreateFromImage (
     //
     if (rImage.HasMask())
     {
     //
     if (rImage.HasMask())
     {

-        vHeader.cbFix     =  sizeof(BITMAPINFOHEADER2);
+        vHeader.cbFix     = 16;

         vHeader.cx        = nWidth;
         vHeader.cy        = nHeight;
         vHeader.cPlanes   = 1;
         vHeader.cx        = nWidth;
         vHeader.cy        = nHeight;
         vHeader.cPlanes   = 1;

-        vHeader.cBitCount = 1;
+        vHeader.cBitCount = 24;

         hBmp = ::GpiCreateBitmap( hPS
                                  ,&vHeader
                                  ,0L
         hBmp = ::GpiCreateBitmap( hPS
                                  ,&vHeader
                                  ,0L


@@ -717,7 +751,6 @@ bool wxBitmap::CreateFromImage (
         else
             nHeight = nSizeLimit / nBytePerLine;
         vHeader.cy = (DWORD)(nHeight);
         else
             nHeight = nSizeLimit / nBytePerLine;
         vHeader.cy = (DWORD)(nHeight);

-        vHeader.cbImage = nBytePerLine * nHeight;

         nOrigin = 0;
 
         unsigned char               cRed   = rImage.GetMaskRed();
         nOrigin = 0;
 
         unsigned char               cRed   = rImage.GetMaskRed();


@@ -744,7 +777,11 @@ bool wxBitmap::CreateFromImage (
             {
                 for (i = 0; i < nWidth; i++)
                 {
             {
                 for (i = 0; i < nWidth; i++)
                 {

-                    if ((*(ptdata++) != cRed) || (*(ptdata++) != cGreen) || (*(ptdata++) != cBlue))
+                    unsigned char cRedImage   = (*(ptdata++)) ;
+                    unsigned char cGreenImage = (*(ptdata++)) ;
+                    unsigned char cBlueImage  = (*(ptdata++)) ;
+
+                    if ((cRedImage != cRed) || (cGreenImage != cGreen) || (cBlueImage != cBlue))

                     {
                         *(ptbits++) = cOne;
                         *(ptbits++) = cOne;
                     {
                         *(ptbits++) = cOne;
                         *(ptbits++) = cOne;


@@ -793,7 +830,7 @@ bool wxBitmap::CreateFromImage (
 
         pMask->SetMaskBitmap((WXHBITMAP)hBmp);
         SetMask(pMask);
 
         pMask->SetMaskBitmap((WXHBITMAP)hBmp);
         SetMask(pMask);

-        hBmpOld = ::GpiSetBitmap(hPS, hBmp);
+        hBmpOld = ::GpiSetBitmap(hPS, hBmpOld);

     }
 
     //
     }
 
     //


@@ -801,6 +838,7 @@ bool wxBitmap::CreateFromImage (
     //
     ::GpiSetBitmap(hPS, NULLHANDLE);
     ::GpiDestroyPS(hPS);
     //
     ::GpiSetBitmap(hPS, NULLHANDLE);
     ::GpiDestroyPS(hPS);

+    ::DevCloseDC(hDCScreen);

     ::DevCloseDC(hDC);
     free(pucBits);
     return TRUE;
     ::DevCloseDC(hDC);
     free(pucBits);
     return TRUE;


@@ -809,6 +847,7 @@ bool wxBitmap::CreateFromImage (
 wxImage wxBitmap::ConvertToImage() const
 {
     wxImage                         vImage;
 wxImage wxBitmap::ConvertToImage() const
 {
     wxImage                         vImage;

+    wxDC*                           pDC;

 
     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 
 
     wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
 


@@ -828,12 +867,13 @@ wxImage wxBitmap::ConvertToImage() const
     long                            lScans;
     BITMAPINFOHEADER2               vDIBh;
     BITMAPINFO2                     vDIBInfo;
     long                            lScans;
     BITMAPINFOHEADER2               vDIBh;
     BITMAPINFO2                     vDIBInfo;

-    HDC                             hDCMem;
-    PSZ                             pszData[4] = { "Display", NULL, NULL, NULL };

     HPS                             hPSMem;
     HPS                             hPS;
     HPS                             hPSMem;
     HPS                             hPS;

-    SIZEL                           vSizlPage = {0,0};

     HBITMAP                         hBitmap;
     HBITMAP                         hBitmap;

+    HBITMAP                         hOldBitmap;
+    DEVOPENSTRUC                    vDop  = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+    SIZEL                           vSizlPage = {0,0};
+    HDC                             hDCMem;

 
     vImage.Create( nWidth
                   ,nHeight
 
     vImage.Create( nWidth
                   ,nHeight


@@ -876,35 +916,56 @@ wxImage wxBitmap::ConvertToImage() const
         free(pData);
         return wxNullImage;
     }
         free(pData);
         return wxNullImage;
     }

+    memset(lpBits, '\0', (nBytePerLine * nHeight));
+    hBitmap = (HBITMAP)GetHBITMAP();
+
+    //
+    // May already be selected into a PS
+    //
+    if ((pDC = GetSelectedInto()) != NULL)
+    {
+        hPSMem = pDC->GetHPS();
+    }
+    else
+    {
+        hDCMem = ::DevOpenDC( vHabmain
+                             ,OD_MEMORY
+                             ,"*"
+                             ,5L
+                             ,(PDEVOPENDATA)&vDop
+                             ,NULLHANDLE
+                            );
+        hPSMem = ::GpiCreatePS( vHabmain
+                               ,hDCMem
+                               ,&vSizlPage
+                               ,PU_PELS | GPIA_ASSOC
+                              );
+    }
+    if ((hOldBitmap = ::GpiSetBitmap(hPSMem, hBitmap)) == HBM_ERROR)
+    {
+        ERRORID                 vError;
+        wxString                sError;
+
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }

 
     //
     // Copy data from the device-dependent bitmap to the DIB
     //
 
     //
     // Copy data from the device-dependent bitmap to the DIB
     //

-    hDCMem = ::DevOpenDC( vHabmain
-                         ,OD_MEMORY
-                         ,"*"
-                         ,4
-                         ,(PDEVOPENDATA)pszData
-                         ,NULLHANDLE
-                        );
-    hPSMem = ::GpiCreatePS( vHabmain
-                           ,hDCMem
-                           ,&vSizlPage
-                           ,PU_PELS | GPIA_ASSOC | GPIT_MICRO
-                          );
-    hBitmap = ::GpiCreateBitmap( hPSMem
-                                ,&vDIBh
-                                ,0L
-                                ,NULL
-                                ,NULL
-                               );
-    ::GpiSetBitmap(hPSMem, hBitmap);
-    lScans = ::GpiQueryBitmapBits( hPSMem
-                                  ,0L
-                                  ,(LONG)nHeight
-                                  ,(PBYTE)lpBits
-                                  ,&vDIBInfo
-                                 );
+    if ((lScans = ::GpiQueryBitmapBits( hPSMem
+                                       ,0L
+                                       ,(LONG)nHeight
+                                       ,(PBYTE)lpBits
+                                       ,&vDIBInfo
+                                      )) == GPI_ALTERROR)
+    {
+        ERRORID                     vError;
+        wxString                    sError;
+
+        vError = ::WinGetLastError(vHabmain);
+        sError = wxPMErrorToStr(vError);
+    }

 
     //
     // Copy DIB data into the wxImage object
 
     //
     // Copy DIB data into the wxImage object


@@ -925,7 +986,12 @@ wxImage wxBitmap::ConvertToImage() const
         }
         ptbits += nPadding;
     }
         }
         ptbits += nPadding;
     }

-    ::GpiSetBitmap(hPSMem, NULLHANDLE);
+    if ((pDC = GetSelectedInto()) == NULL)
+    {
+        ::GpiSetBitmap(hPSMem, NULLHANDLE);
+        ::GpiDestroyPS(hPSMem);
+        ::DevCloseDC(hDCMem);
+    }

 
     //
     // Similarly, set data according to the possible mask bitmap
 
     //
     // Similarly, set data according to the possible mask bitmap


@@ -937,17 +1003,17 @@ wxImage wxBitmap::ConvertToImage() const
         //
         // Memory DC/PS created, color set, data copied, and memory DC/PS deleted
         //
         //
         // Memory DC/PS created, color set, data copied, and memory DC/PS deleted
         //

-        HDC                         hMemDC = ::DevOpenDC( vHabmain
-                                                         ,OD_MEMORY
-                                                         ,"*"
-                                                         ,4
-                                                         ,(PDEVOPENDATA)pszData
-                                                         ,NULLHANDLE
-                                                        );
+        HDC                        hMemDC = ::DevOpenDC( vHabmain
+                                                        ,OD_MEMORY
+                                                        ,"*"
+                                                        ,5L
+                                                        ,(PDEVOPENDATA)&vDop
+                                                        ,NULLHANDLE
+                                                       );

         HPS                         hMemPS = ::GpiCreatePS( vHabmain
                                                            ,hMemDC
                                                            ,&vSizlPage
         HPS                         hMemPS = ::GpiCreatePS( vHabmain
                                                            ,hMemDC
                                                            ,&vSizlPage

-                                                           ,PU_PELS | GPIA_ASSOC | GPIT_MICRO
+                                                           ,PU_PELS | GPIA_ASSOC

                                                           );
         ::GpiSetColor(hMemPS, OS2RGB(0, 0, 0));
         ::GpiSetBackColor(hMemPS, OS2RGB(255, 255, 255) );
                                                           );
         ::GpiSetColor(hMemPS, OS2RGB(0, 0, 0));
         ::GpiSetBackColor(hMemPS, OS2RGB(255, 255, 255) );


@@ -1001,8 +1067,6 @@ wxImage wxBitmap::ConvertToImage() const
     //
     // Free allocated resources
     //
     //
     // Free allocated resources
     //

-    ::GpiDestroyPS(hPSMem);
-    ::DevCloseDC(hDCMem);

     free(lpBits);
     return vImage;
 } // end of wxBitmap::ConvertToImage
     free(lpBits);
     return vImage;
 } // end of wxBitmap::ConvertToImage


@@ -1064,7 +1128,7 @@ wxBitmap wxBitmap::GetSubBitmap(
         vBmih.cx        = rRect.width;
         vBmih.cy        = rRect.height;
         vBmih.cPlanes   = 1;
         vBmih.cx        = rRect.width;
         vBmih.cy        = rRect.height;
         vBmih.cPlanes   = 1;

-        vBmih.cBitCount = 1;
+        vBmih.cBitCount = 24;

 
         HBITMAP                     hBmpMask = ::GpiCreateBitmap( hPSDst
                                                                  ,&vBmih
 
         HBITMAP                     hBmpMask = ::GpiCreateBitmap( hPSDst
                                                                  ,&vBmih


@@ -1229,7 +1293,7 @@ bool wxMask::Create(
     vBmih.cx        = rBitmap.GetWidth();
     vBmih.cy        = rBitmap.GetHeight();
     vBmih.cPlanes   = 1;
     vBmih.cx        = rBitmap.GetWidth();
     vBmih.cy        = rBitmap.GetHeight();
     vBmih.cPlanes   = 1;

-    vBmih.cBitCount = 1;
+    vBmih.cBitCount = 24;

 
     m_hMaskBitmap = ::GpiCreateBitmap( hPSDst
                                       ,&vBmih
 
     m_hMaskBitmap = ::GpiCreateBitmap( hPSDst
                                       ,&vBmih


@@ -1523,12 +1587,12 @@ HBITMAP wxInvertMask(
                                                   0, 0, nWidth, nHeight
                                                 };
 
                                                   0, 0, nWidth, nHeight
                                                 };
 

-    memset(&vBmih, '\0', sizeof(BITMAPINFOHEADER2));
-    vBmih.cbFix     =  sizeof(BITMAPINFOHEADER2);
+    memset(&vBmih, '\0', 16);
+    vBmih.cbFix     = 16;

     vBmih.cx        = nWidth;
     vBmih.cy        = nHeight;
     vBmih.cPlanes   = 1;
     vBmih.cx        = nWidth;
     vBmih.cy        = nHeight;
     vBmih.cPlanes   = 1;

-    vBmih.cBitCount = 1;
+    vBmih.cBitCount = 24;

 
     hBmpInvMask = ::GpiCreateBitmap( hPSDst
                                     ,&vBmih
 
     hBmpInvMask = ::GpiCreateBitmap( hPSDst
                                     ,&vBmih