Since I have made several changes to SWIG over the years to accomodate

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

diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp
index 6a6be7033f60b6271c367570d395789e1606809b..486cfed0af29d1d1e9dde1f5067d1f5b2989952b 100644 (file)
--- a/src/os2/bitmap.cpp
+++ b/src/os2/bitmap.cpp
@@ -227,6 +227,8 @@ 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;


@@ -346,6 +348,9 @@ 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;


@@ -548,7 +553,7 @@ bool wxBitmap::CreateFromImage (
     SetWidth(nWidth);
     SetHeight(nBmpHeight);
     if (nDepth == -1)
     SetWidth(nWidth);
     SetHeight(nBmpHeight);
     if (nDepth == -1)

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

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


@@ -563,6 +568,8 @@ bool wxBitmap::CreateFromImage (
     //
     BITMAPINFOHEADER2               vHeader;
     BITMAPINFO2                     vInfo;
     //
     BITMAPINFOHEADER2               vHeader;
     BITMAPINFO2                     vInfo;

+    LONG                            alFormats[24]; // Max formats OS/2 PM supports
+    ULONG                           ulBitcount;

 
     //
     // Fill in the DIB header
 
     //
     // Fill in the DIB header


@@ -574,12 +581,6 @@ 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
     //


@@ -600,11 +601,22 @@ 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;
 

+    ::GpiQueryDeviceBitmapFormats(hPS, 24, alFormats);
+    ulBitcount = alFormats[1]; // the best one for the device
+    if (ulBitcount > 24)
+        ulBitcount = 24;  // MAX bits supported by PM
+    memset(&vInfo, '\0', 16);
+    vInfo.cbFix           = 16;
+    vInfo.cx              = (ULONG)nWidth;
+    vInfo.cy              = (ULONG)nHeight;
+    vInfo.cPlanes         = 1;
+    vInfo.cBitCount       = ulBitcount;
+

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


@@ -708,11 +720,11 @@ 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


@@ -725,7 +737,6 @@ 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();


@@ -745,7 +756,6 @@ bool wxBitmap::CreateFromImage (
                 //
                 nHeight         = nHRemain;
                 vHeader.cy      = (DWORD)(nHeight);
                 //
                 nHeight         = nHRemain;
                 vHeader.cy      = (DWORD)(nHeight);

-                vHeader.cbImage = nBytePerLine * nHeight;

             }
             ptbits = pucBits;
             for (int j = 0; j < nHeight; j++)
             }
             ptbits = pucBits;
             for (int j = 0; j < nHeight; j++)


@@ -801,7 +811,7 @@ bool wxBitmap::CreateFromImage (
 
         pMask->SetMaskBitmap((WXHBITMAP)hBmp);
         SetMask(pMask);
 
         pMask->SetMaskBitmap((WXHBITMAP)hBmp);
         SetMask(pMask);

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

     }
 
     //
     }
 
     //


@@ -809,6 +819,7 @@ 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;


@@ -817,6 +828,7 @@ 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") );
 


@@ -836,13 +848,20 @@ 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;
+    LONG                            alFormats[24]; // 24 is MAX formats supported
+    ULONG                           ulBitcount;

 
 

+    ::GpiQueryDeviceBitmapFormats(hPS, 24, alFormats);
+    ulBitcount = alFormats[1]; // the best one
+    if (ulBitcount > 24) // PM supports a max of 24
+        ulBitcount = 24;

     vImage.Create( nWidth
                   ,nHeight
                  );
     vImage.Create( nWidth
                   ,nHeight
                  );


@@ -875,7 +894,7 @@ wxImage wxBitmap::ConvertToImage() const
     vDIBInfo.cx              = nWidth;
     vDIBInfo.cy              = nHeight;
     vDIBInfo.cPlanes         = 1;
     vDIBInfo.cx              = nWidth;
     vDIBInfo.cy              = nHeight;
     vDIBInfo.cPlanes         = 1;

-    vDIBInfo.cBitCount       = 24;
+    vDIBInfo.cBitCount       = ulBitcount;

 
     lpBits = (unsigned char *)malloc(nBytePerLine * nHeight);
     if (!lpBits)
 
     lpBits = (unsigned char *)malloc(nBytePerLine * nHeight);
     if (!lpBits)


@@ -885,34 +904,54 @@ wxImage wxBitmap::ConvertToImage() const
         return wxNullImage;
     }
 
         return wxNullImage;
     }
 

+    //
+    // 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
+                              );
+        hBitmap = (HBITMAP)GetHBITMAP();
+        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


@@ -933,7 +972,12 @@ 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


@@ -945,17 +989,17 @@ 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) );


@@ -1009,8 +1053,6 @@ 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