Several corrections to wxDocManager fields documentation.

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

diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp
index 850baa8602fdf9c5286ddaa91f753cac7208d76b..10756fee7ca3cbb1e2bd3bb850efac72e281a58e 100644 (file)
--- a/src/msw/bitmap.cpp
+++ b/src/msw/bitmap.cpp
@@ -238,8 +238,7 @@ void wxBitmapRefData::Free()
         }
     }
 
-    delete m_bitmapMask;
-    m_bitmapMask = NULL;
+    wxDELETE(m_bitmapMask);
 }
 
 // ----------------------------------------------------------------------------
@@ -388,7 +387,7 @@ bool wxBitmap::CopyFromCursor(const wxCursor& cursor, wxBitmapTransparency trans
 {
     UnRef();
 
-    if ( !cursor.Ok() )
+    if ( !cursor.IsOk() )
         return false;
 
     return CopyFromIconOrCursor(cursor, transp);
@@ -398,7 +397,7 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon, wxBitmapTransparency transp)
 {
     UnRef();
 
-    if ( !icon.Ok() )
+    if ( !icon.IsOk() )
         return false;
 
     return CopyFromIconOrCursor(icon, transp);
@@ -415,7 +414,7 @@ bool wxBitmap::CopyFromDIB(const wxDIB& dib)
     if ( !hbitmap )
         return false;
 #else // ALWAYS_USE_DIB
-    HBITMAP hbitmap = ((wxDIB &)dib).Detach();  // const_cast
+    HBITMAP hbitmap = const_cast<wxDIB &>(dib).Detach();
 #endif // SOMETIMES_USE_DIB/ALWAYS_USE_DIB
 
     UnRef();
@@ -494,7 +493,7 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)
     else
     {
         // bits should already be in Windows standard format
-        data = (char *)bits;    // const_cast is harmless
+        data = const_cast<char *>(bits);
     }
 
     HBITMAP hbmp = ::CreateBitmap(width, height, 1, depth, data);
@@ -606,7 +605,7 @@ bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
 
     SetHBITMAP((WXHBITMAP)hbmp);
 
-    return Ok();
+    return IsOk();
 }
 
 #if wxUSE_IMAGE
@@ -740,7 +739,7 @@ wxImage wxBitmap::ConvertToImage() const
     // so the 'depth' argument is ignored.
     // TODO: transparency (create a mask image)
 
-    if (!Ok())
+    if (!IsOk())
     {
         wxFAIL_MSG( wxT("bitmap is invalid") );
         return wxNullImage;
@@ -748,7 +747,7 @@ wxImage wxBitmap::ConvertToImage() const
 
     wxImage image;
 
-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );
 
     // create an wxImage object
     int width = GetWidth();
@@ -824,7 +823,7 @@ bool wxBitmap::CreateFromImage(const wxImage& image, const wxDC& dc)
 
 bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc)
 {
-    wxCHECK_MSG( image.Ok(), false, wxT("invalid image") );
+    wxCHECK_MSG( image.IsOk(), false, wxT("invalid image") );
 
     UnRef();
 
@@ -930,7 +929,7 @@ wxImage wxBitmap::ConvertToImage() const
 
     // and then DIB to our wxImage
     wxImage image = dib.ConvertToImage();
-    if ( !image.Ok() )
+    if ( !image.IsOk() )
     {
         return wxNullImage;
     }
@@ -1040,7 +1039,7 @@ bool wxBitmap::LoadFile(const wxString& filename, wxBitmapType type)
     else // no bitmap handler found
     {
         wxImage image;
-        if ( image.LoadFile( filename, type ) && image.Ok() )
+        if ( image.LoadFile( filename, type ) && image.IsOk() )
         {
             *this = wxBitmap(image);
 
@@ -1085,7 +1084,7 @@ bool wxBitmap::SaveFile(const wxString& filename,
     {
         // FIXME what about palette? shouldn't we use it?
         wxImage image = ConvertToImage();
-        if ( image.Ok() )
+        if ( image.IsOk() )
         {
             return image.SaveFile(filename, type);
         }
@@ -1107,14 +1106,14 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect ) const
 
 wxBitmap wxBitmap::GetSubBitmapOfHDC( const wxRect& rect, WXHDC hdc ) const
 {
-    wxCHECK_MSG( Ok() &&
+    wxCHECK_MSG( IsOk() &&
                  (rect.x >= 0) && (rect.y >= 0) &&
                  (rect.x+rect.width <= GetWidth()) &&
                  (rect.y+rect.height <= GetHeight()),
                  wxNullBitmap, wxT("Invalid bitmap or bitmap region") );
 
     wxBitmap ret( rect.width, rect.height, GetDepth() );
-    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+    wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") );
 
 #ifndef __WXMICROWIN__
     // handle alpha channel, if any
@@ -1249,7 +1248,7 @@ void wxBitmap::SetMask(wxMask *mask)
 void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
 {
 #if wxUSE_WXDIB
-    if ( !Ok() )
+    if ( !IsOk() )
     {
         // no bitmap, no data (raw or otherwise)
         return NULL;
@@ -1327,7 +1326,7 @@ void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)
 void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
 {
 #if wxUSE_WXDIB
-    if ( !Ok() )
+    if ( !IsOk() )
         return;
 
     if ( !&dataBase )
@@ -1428,7 +1427,7 @@ wxMask::~wxMask()
 bool wxMask::Create(const wxBitmap& bitmap)
 {
 #ifndef __WXMICROWIN__
-    wxCHECK_MSG( bitmap.Ok() && bitmap.GetDepth() == 1, false,
+    wxCHECK_MSG( bitmap.IsOk() && bitmap.GetDepth() == 1, false,
                  wxT("can't create mask from invalid or not monochrome bitmap") );
 
     if ( m_maskBitmap )
@@ -1469,7 +1468,7 @@ bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
     }
 
 #if wxUSE_PALETTE
-    if (bitmap.Ok() && bitmap.GetPalette()->Ok())
+    if (bitmap.IsOk() && bitmap.GetPalette()->IsOk())
     {
         unsigned char red, green, blue;
         if (bitmap.GetPalette()->GetRGB(paletteIndex, &red, &green, &blue))
@@ -1488,7 +1487,7 @@ bool wxMask::Create(const wxBitmap& bitmap, int paletteIndex)
 bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
 {
 #ifndef __WXMICROWIN__
-    wxCHECK_MSG( bitmap.Ok(), false, wxT("invalid bitmap in wxMask::Create") );
+    wxCHECK_MSG( bitmap.IsOk(), false, wxT("invalid bitmap in wxMask::Create") );
 
     if ( m_maskBitmap )
     {
@@ -1626,7 +1625,7 @@ HICON wxBitmapToIconOrCursor(const wxBitmap& bmp,
                              int hotSpotX,
                              int hotSpotY)
 {
-    if ( !bmp.Ok() )
+    if ( !bmp.IsOk() )
     {
         // we can't create an icon/cursor form nothing
         return 0;
@@ -1634,9 +1633,25 @@ HICON wxBitmapToIconOrCursor(const wxBitmap& bmp,
 
     if ( bmp.HasAlpha() )
     {
+        HBITMAP hbmp;
+
+#if wxUSE_WXDIB && wxUSE_IMAGE
+        // CreateIconIndirect() requires non-pre-multiplied pixel data on input
+        // as it does pre-multiplication internally itself so we need to create
+        // a special DIB in such format to pass to it. This is inefficient but
+        // better than creating an icon with wrong colours.
+        AutoHBITMAP hbmpRelease;
+        hbmp = wxDIB(bmp.ConvertToImage(),
+                     wxDIB::PixelFormat_NotPreMultiplied).Detach();
+        hbmpRelease.Init(hbmp);
+#else // !(wxUSE_WXDIB && wxUSE_IMAGE)
+        hbmp = GetHbitmapOf(bmp);
+#endif // wxUSE_WXDIB && wxUSE_IMAGE
+
         // Create an empty mask bitmap.
         // it doesn't seem to work if we mess with the mask at all.
-        HBITMAP hMonoBitmap = CreateBitmap(bmp.GetWidth(),bmp.GetHeight(),1,1,NULL);
+        AutoHBITMAP
+            hMonoBitmap(CreateBitmap(bmp.GetWidth(),bmp.GetHeight(),1,1,NULL));
 
         ICONINFO iconInfo;
         wxZeroMemory(iconInfo);
@@ -1648,13 +1663,9 @@ HICON wxBitmapToIconOrCursor(const wxBitmap& bmp,
         }
 
         iconInfo.hbmMask = hMonoBitmap;
-        iconInfo.hbmColor = GetHbitmapOf(bmp);
-
-        HICON hicon = ::CreateIconIndirect(&iconInfo);
+        iconInfo.hbmColor = hbmp;
 
-        ::DeleteObject(hMonoBitmap);
-
-        return hicon;
+        return ::CreateIconIndirect(&iconInfo);
     }
 
     wxMask* mask = bmp.GetMask();
@@ -1675,7 +1686,8 @@ HICON wxBitmapToIconOrCursor(const wxBitmap& bmp,
         iconInfo.yHotspot = hotSpotY;
     }
 
-    iconInfo.hbmMask = wxInvertMask((HBITMAP)mask->GetMaskBitmap());
+    AutoHBITMAP hbmpMask(wxInvertMask((HBITMAP)mask->GetMaskBitmap()));
+    iconInfo.hbmMask = hbmpMask;
     iconInfo.hbmColor = GetHbitmapOf(bmp);
 
     // black out the transparent area to preserve background colour, because
@@ -1701,9 +1713,6 @@ HICON wxBitmapToIconOrCursor(const wxBitmap& bmp,
         delete mask;
     }
 
-    // delete the inverted mask bitmap we created as well
-    ::DeleteObject(iconInfo.hbmMask);
-
     return hicon;
 }