The Great wxRegion Refactoring:

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

diff --git a/src/os2/bitmap.cpp b/src/os2/bitmap.cpp
index 51b5cfdc4c787ee9dd96dba3ad5392e2c9a07a38..c7d256e0f7ae18aac41228c3b712d02fc1c23eb0 100644 (file)
--- a/src/os2/bitmap.cpp
+++ b/src/os2/bitmap.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        bitmap.cpp
+// Name:        src/os2/bitmap.cpp
 // Purpose:     wxBitmap
 // Author:      David Webster
 // Modified by:
@@ -9,13 +9,11 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-    #pragma implementation "bitmap.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#include "wx/bitmap.h"
+
 #ifndef WX_PRECOMP
     #include <stdio.h>
 
@@ -24,15 +22,13 @@
     #include "wx/app.h"
     #include "wx/palette.h"
     #include "wx/dcmemory.h"
-    #include "wx/bitmap.h"
     #include "wx/icon.h"
+    #include "wx/log.h"
+    #include "wx/image.h"
 #endif
 
 #include "wx/os2/private.h"
-#include "wx/log.h"
 
-//#include "wx/msw/dib.h"
-#include "wx/image.h"
 #include "wx/xpmdecod.h"
 
 // ----------------------------------------------------------------------------
@@ -94,9 +90,7 @@ void wxBitmap::Init()
     //
 } // end of wxBitmap::Init
 
-bool wxBitmap::CopyFromIconOrCursor(
-  const wxGDIImage&                 rIcon
-)
+bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& rIcon)
 {
     HPOINTER                        hIcon = (HPOINTER)rIcon.GetHandle();
     POINTERINFO                     SIconInfo;
@@ -393,12 +387,12 @@ bool wxBitmap::CreateFromXpm(
 #if wxUSE_IMAGE && wxUSE_XPM
     Init();
 
-    wxCHECK_MSG(ppData != NULL, false, wxT("invalid bitmap data"))
+    wxCHECK_MSG(ppData != NULL, false, wxT("invalid bitmap data"));
 
     wxXPMDecoder                    vDecoder;
     wxImage                         vImg = vDecoder.ReadData(ppData);
 
-    wxCHECK_MSG(vImg.Ok(), false, wxT("invalid bitmap data"))
+    wxCHECK_MSG(vImg.Ok(), false, wxT("invalid bitmap data"));
 
     *this = wxBitmap(vImg);
     return true;
@@ -407,6 +401,34 @@ bool wxBitmap::CreateFromXpm(
 #endif
 } // end of wxBitmap::CreateFromXpm
 
+bool wxBitmap::LoadFile(const wxString& filename, long type)
+{
+    UnRef();
+
+    wxBitmapHandler *handler = wxDynamicCast(FindHandler(type), wxBitmapHandler);
+
+    if ( handler )
+    {
+        m_refData = new wxBitmapRefData;
+
+        return handler->LoadFile(this, filename, type, -1, -1);
+    }
+#if wxUSE_IMAGE
+    else // no bitmap handler found
+    {
+        wxImage image;
+        if ( image.LoadFile( filename, type ) && image.Ok() )
+        {
+            *this = wxBitmap(image);
+
+            return true;
+        }
+    }
+#endif // wxUSE_IMAGE
+
+    return false;
+}
+
 bool wxBitmap::LoadFile(
   int                               nId
 , long                              lType
@@ -1505,6 +1527,17 @@ bool wxBitmapHandler::LoadFile(
     return false;
 }
 
+bool wxBitmapHandler::LoadFile(
+  wxBitmap*                         WXUNUSED(pBitmap)
+, const wxString&                   WXUNUSED(rName)
+, long                              WXUNUSED(lType)
+, int                               WXUNUSED(nDesiredWidth)
+, int                               WXUNUSED(nDesiredHeight)
+)
+{
+    return false;
+}
+
 bool wxBitmapHandler::SaveFile(
   wxBitmap*                         WXUNUSED(pBitmap)
 , const wxString&                   WXUNUSED(rName)
@@ -1585,3 +1618,80 @@ HBITMAP wxInvertMask(
 
     return hBmpInvMask;
 } // end of WxWinGdi_InvertMask
+
+HBITMAP wxFlipBmp( HBITMAP hBmp, int nWidth, int nHeight )
+{
+    wxCHECK_MSG( hBmp, 0, _T("invalid bitmap in wxFlipBmp") );
+
+    //
+    // Get width/height from the bitmap if not given
+    //
+    if (!nWidth || !nHeight)
+    {
+        BITMAPINFOHEADER2 vBmhdr;
+
+        vBmhdr.cbFix  = 16;
+        ::GpiQueryBitmapInfoHeader( hBmp,
+                                    &vBmhdr );
+        nWidth        = (int)vBmhdr.cx;
+        nHeight       = (int)vBmhdr.cy;
+    }
+
+    BITMAPINFOHEADER2 vBmih;
+    SIZEL             vSize     = {0, 0};
+    DEVOPENSTRUC      vDop      = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
+    HDC               hDCSrc    = ::DevOpenDC(  vHabmain,
+                                                OD_MEMORY,
+                                                "*",
+                                                5L,
+                                                (PDEVOPENDATA)&vDop,
+                                                NULLHANDLE  );
+    HDC               hDCDst    = ::DevOpenDC(  vHabmain,
+                                                OD_MEMORY,
+                                                "*",
+                                                5L,
+                                                (PDEVOPENDATA)&vDop,
+                                                NULLHANDLE  );
+    HPS               hPSSrc    = ::GpiCreatePS(  vHabmain,
+                                                  hDCSrc,
+                                                  &vSize,
+                                                  PU_PELS | GPIA_ASSOC  );
+    HPS               hPSDst    = ::GpiCreatePS(  vHabmain,
+                                                  hDCDst,
+                                                  &vSize,
+                                                  PU_PELS | GPIA_ASSOC  );
+    POINTL            vPoint[4] = { {0,      nHeight},
+                                    {nWidth, 0},
+                                    {0,      0},
+                                    {nWidth, nHeight} };
+
+    memset(&vBmih, '\0', 16);
+    vBmih.cbFix     = 16;
+    vBmih.cx        = nWidth;
+    vBmih.cy        = nHeight;
+    vBmih.cPlanes   = 1;
+    vBmih.cBitCount = 24;
+
+    HBITMAP hInvBmp = ::GpiCreateBitmap(  hPSDst,
+                                          &vBmih,
+                                          0L,
+                                          NULL,
+                                          NULL  );
+
+    ::GpiSetBitmap(hPSSrc, (HBITMAP) hBmp);
+    ::GpiSetBitmap(hPSDst, (HBITMAP) hInvBmp);
+
+    ::GpiBitBlt(  hPSDst,
+                  hPSSrc,
+                  4L,
+                  vPoint,
+                  ROP_SRCCOPY,
+                  BBO_IGNORE  );
+
+    ::GpiDestroyPS(hPSSrc);
+    ::GpiDestroyPS(hPSDst);
+    ::DevCloseDC(hDCSrc);
+    ::DevCloseDC(hDCDst);
+
+    return hInvBmp;
+} // end of wxFlipBmp