handle correctly never/always shown scrollbars in GetClientSize()

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

diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp
index 725d5fd0cbd016443df29e3b43e7c0a1bbfda3d2..1e8ff645c6a280c778a80dfcef5d0c836055f76e 100644 (file)
--- a/src/msw/bitmap.cpp
+++ b/src/msw/bitmap.cpp
@@ -46,7 +46,7 @@
     #include "wx/msw/dib.h"
 #endif
 
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
     #include "wx/rawbmp.h"
 #endif
 
@@ -254,7 +254,7 @@ wxGDIImageRefData *wxBitmap::CreateData() const
 wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *dataOrig) const
 {
     const wxBitmapRefData *
-        data = wx_static_cast(const wxBitmapRefData *, dataOrig);
+        data = static_cast<const wxBitmapRefData *>(dataOrig);
     if ( !data )
         return NULL;
 
@@ -262,25 +262,27 @@ wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *dataOrig) const
     //        wxBitmapRefData using its copy ctor but instead it modifies this
     //        bitmap itself and then returns its m_refData -- which works, of
     //        course (except in !wxUSE_WXDIB), but is completely illogical
-    wxBitmap *self = wx_const_cast(wxBitmap *, this);
+    wxBitmap *self = const_cast<wxBitmap *>(this);
 
+    wxBitmapRefData *selfdata;
 #if wxUSE_WXDIB
     // copy the other bitmap
     if ( data->m_hBitmap )
     {
         wxDIB dib((HBITMAP)(data->m_hBitmap));
         self->CopyFromDIB(dib);
+
+        selfdata = static_cast<wxBitmapRefData *>(m_refData);
+        selfdata->m_hasAlpha = data->m_hasAlpha;
     }
     else
 #endif // wxUSE_WXDIB
     {
         // copy the bitmap data
-        self->m_refData = new wxBitmapRefData(*data);
+        selfdata = new wxBitmapRefData(*data);
+        self->m_refData = selfdata;
     }
 
-    wxBitmapRefData * const
-        selfdata = wx_static_cast(wxBitmapRefData *, m_refData);
-
     // copy also the mask
     wxMask * const maskSrc = data->GetMask();
     if ( maskSrc )
@@ -520,14 +522,14 @@ wxBitmap::wxBitmap(int w, int h, const wxDC& dc)
     (void)Create(w, h, dc);
 }
 
-wxBitmap::wxBitmap(const void* data, long type, int width, int height, int depth)
+wxBitmap::wxBitmap(const void* data, wxBitmapType type, int width, int height, int depth)
 {
     (void)Create(data, type, width, height, depth);
 }
 
 wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
 {
-    LoadFile(filename, (int)type);
+    LoadFile(filename, type);
 }
 
 bool wxBitmap::Create(int width, int height, int depth)
@@ -540,7 +542,7 @@ bool wxBitmap::Create(int width, int height, const wxDC& dc)
     wxCHECK_MSG( dc.IsOk(), false, _T("invalid HDC in wxBitmap::Create()") );
 
     const wxMSWDCImpl *impl = wxDynamicCast( dc.GetImpl(), wxMSWDCImpl );
-    
+
     if (impl)
         return DoCreate(width, height, -1, impl->GetHDC());
     else
@@ -816,7 +818,7 @@ bool wxBitmap::CreateFromImage(const wxImage& image, const wxDC& dc)
                     _T("invalid HDC in wxBitmap::CreateFromImage()") );
 
     const wxMSWDCImpl *impl = wxDynamicCast( dc.GetImpl(), wxMSWDCImpl );
-    
+
     if (impl)
         return CreateFromImage(image, -1, impl->GetHDC());
     else
@@ -839,14 +841,17 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc)
     if ( !dib.IsOk() )
         return false;
 
-    if ( depth == -1 )
-        depth = dib.GetDepth(); // Get depth from image if none specified
+    const bool hasAlpha = image.HasAlpha();
+    
+    if (depth == -1)
+      depth = dib.GetDepth();
 
     // store the bitmap parameters
-    wxBitmapRefData *refData = new wxBitmapRefData;
+    wxBitmapRefData * const refData = new wxBitmapRefData;
     refData->m_width = w;
     refData->m_height = h;
-    refData->m_hasAlpha = image.HasAlpha();
+    refData->m_hasAlpha = hasAlpha;
+    refData->m_depth = depth;
 
     m_refData = refData;
 
@@ -857,20 +862,17 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc)
     // are we going to use DIB?
     //
     // NB: DDBs don't support alpha so if we have alpha channel we must use DIB
-    if ( image.HasAlpha() || wxShouldCreateDIB(w, h, depth, hdc) )
+    if ( hasAlpha || wxShouldCreateDIB(w, h, depth, hdc) )
     {
         // don't delete the DIB section in dib object dtor
         hbitmap = dib.Detach();
 
         refData->m_isDIB = true;
-        refData->m_depth = depth;
     }
 #ifndef ALWAYS_USE_DIB
     else // we need to convert DIB to DDB
     {
         hbitmap = dib.CreateDDB((HDC)hdc);
-
-        refData->m_depth = depth;
     }
 #endif // !ALWAYS_USE_DIB
 
@@ -1027,7 +1029,7 @@ wxImage wxBitmap::ConvertToImage() const
 // loading and saving bitmaps
 // ----------------------------------------------------------------------------
 
-bool wxBitmap::LoadFile(const wxString& filename, long type)
+bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
 {
     UnRef();
 
@@ -1055,7 +1057,7 @@ bool wxBitmap::LoadFile(const wxString& filename, long type)
     return false;
 }
 
-bool wxBitmap::Create(const void* data, long type, int width, int height, int depth)
+bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth)
 {
     UnRef();
 
@@ -1074,8 +1076,8 @@ bool wxBitmap::Create(const void* data, long type, int width, int height, int de
 }
 
 bool wxBitmap::SaveFile(const wxString& filename,
-                        int type,
-                        const wxPalette *palette)
+                        wxBitmapType type,
+                        const wxPalette *palette) const
 {
     wxBitmapHandler *handler = wxDynamicCast(FindHandler(type), wxBitmapHandler);
 
@@ -1130,7 +1132,7 @@ wxBitmap wxBitmap::GetSubBitmapOfHDC( const wxRect& rect, WXHDC hdc ) const
 
     {
         SelectInHDC selectDst(dcDst, GetHbitmapOf(ret));
-               
+
         if ( !selectDst )
         {
             wxLogLastError(_T("SelectObject(destBitmap)"));
@@ -1247,7 +1249,8 @@ void wxBitmap::SetMask(wxMask *mask)
 // raw bitmap access support
 // ----------------------------------------------------------------------------
 
-#ifdef wxHAVE_RAW_BITMAP
+#ifdef wxHAS_RAW_BITMAP
+
 void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
 {
 #if wxUSE_WXDIB
@@ -1353,7 +1356,7 @@ void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
     }
 #endif // wxUSE_WXDIB
 }
-#endif // #ifdef wxHAVE_RAW_BITMAP
+#endif // wxHAS_RAW_BITMAP
 
 // ----------------------------------------------------------------------------
 // wxMask
@@ -1563,27 +1566,27 @@ bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 
 bool wxBitmapHandler::Create(wxGDIImage *image,
                              const void* data,
-                             long flags,
+                             wxBitmapType type,
                              int width, int height, int depth)
 {
     wxBitmap *bitmap = wxDynamicCast(image, wxBitmap);
 
-    return bitmap && Create(bitmap, data, flags, width, height, depth);
+    return bitmap && Create(bitmap, data, type, width, height, depth);
 }
 
 bool wxBitmapHandler::Load(wxGDIImage *image,
                            const wxString& name,
-                           long flags,
+                           wxBitmapType type,
                            int width, int height)
 {
     wxBitmap *bitmap = wxDynamicCast(image, wxBitmap);
 
-    return bitmap && LoadFile(bitmap, name, flags, width, height);
+    return bitmap && LoadFile(bitmap, name, type, width, height);
 }
 
-bool wxBitmapHandler::Save(wxGDIImage *image,
+bool wxBitmapHandler::Save(const wxGDIImage *image,
                            const wxString& name,
-                           int type)
+                           wxBitmapType type) const
 {
     wxBitmap *bitmap = wxDynamicCast(image, wxBitmap);
 
@@ -1592,7 +1595,7 @@ bool wxBitmapHandler::Save(wxGDIImage *image,
 
 bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap),
                              const void* WXUNUSED(data),
-                             long WXUNUSED(type),
+                             wxBitmapType WXUNUSED(type),
                              int WXUNUSED(width),
                              int WXUNUSED(height),
                              int WXUNUSED(depth))
@@ -1602,17 +1605,17 @@ bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap),
 
 bool wxBitmapHandler::LoadFile(wxBitmap *WXUNUSED(bitmap),
                                const wxString& WXUNUSED(name),
-                               long WXUNUSED(type),
+                               wxBitmapType WXUNUSED(type),
                                int WXUNUSED(desiredWidth),
                                int WXUNUSED(desiredHeight))
 {
     return false;
 }
 
-bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap),
+bool wxBitmapHandler::SaveFile(const wxBitmap *WXUNUSED(bitmap),
                                const wxString& WXUNUSED(name),
-                               int WXUNUSED(type),
-                               const wxPalette *WXUNUSED(palette))
+                               wxBitmapType WXUNUSED(type),
+                               const wxPalette *WXUNUSED(palette)) const
 {
     return false;
 }