more MSLU fixes

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

diff --git a/src/msw/gdiimage.cpp b/src/msw/gdiimage.cpp
index d97e57e0fa91e1a9d61db2b75d25379f6bef1e9a..87fb6add432aae0c5ae1e855270b56d469bc48c9 100644 (file)
--- a/src/msw/gdiimage.cpp
+++ b/src/msw/gdiimage.cpp
@@ -175,10 +175,10 @@ private:
 // wxWin macros
 // ----------------------------------------------------------------------------
 
-    IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
-    IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
-    IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxGDIImageHandler)
-    IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxGDIImageHandler)
+IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler)
+IMPLEMENT_DYNAMIC_CLASS(wxBMPResourceHandler, wxBitmapHandler)
+IMPLEMENT_DYNAMIC_CLASS(wxICOFileHandler, wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxICOResourceHandler, wxObject)
 
 // ----------------------------------------------------------------------------
 // private functions
@@ -355,6 +355,8 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,
 #if wxUSE_IMAGE_LOADING_IN_MSW
     wxPalette *palette = NULL;
     bool success = wxLoadIntoBitmap(WXSTRINGCAST name, bitmap, &palette) != 0;
+
+#if wxUSE_PALETTE
     if ( success && palette )
     {
         bitmap->SetPalette(*palette);
@@ -362,6 +364,7 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap,
 
     // it was copied by the bitmap if it was loaded successfully
     delete palette;
+#endif // wxUSE_PALETTE
 
     return success;
 #else
@@ -375,9 +378,15 @@ bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap,
                                 const wxPalette *pal)
 {
 #if wxUSE_IMAGE_LOADING_IN_MSW
+
+#if wxUSE_PALETTE
     wxPalette *actualPalette = (wxPalette *)pal;
     if ( !actualPalette )
         actualPalette = bitmap->GetPalette();
+#else
+    wxPalette *actualPalette = NULL;
+#endif // wxUSE_PALETTE
+
     return wxSaveBitmap(WXSTRINGCAST name, bitmap, actualPalette) != 0;
 #else
     return FALSE;
@@ -493,24 +502,33 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
 {
     HICON hicon;
 
+    // do we need the icon of the specific size or would any icon do?
+    bool hasSize = desiredWidth != -1 || desiredHeight != -1;
+
+    wxASSERT_MSG( !hasSize || (desiredWidth != -1 && desiredHeight != -1),
+                  _T("width and height should be either both -1 or not") );
+
     // try to load the icon from this program first to allow overriding the
     // standard icons (although why one would want to do it considering that
     // we already have wxApp::GetStdIcon() is unclear)
+
+    // note that we can't just always call LoadImage() because it seems to do
+    // some icon rescaling internally which results in very ugly 16x16 icons
 #if defined(__WIN32__) && !defined(__SC__)
-    if ( desiredWidth != -1 && desiredHeight != -1 )
+    if ( hasSize )
     {
         hicon = (HICON)::LoadImage(wxGetInstance(), name, IMAGE_ICON,
                                     desiredWidth, desiredHeight,
                                     LR_DEFAULTCOLOR);
     }
     else
-#endif // Win32
+#endif // Win32/!Win32
     {
         hicon = ::LoadIcon(wxGetInstance(), name);
     }
 
     // next check if it's not a standard icon
-    if ( !hicon )
+    if ( !hicon && !hasSize )
     {
         static const struct
         {
@@ -528,11 +546,7 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
         {
             if ( name == stdIcons[nIcon].name )
             {
-                hicon = (HICON)::LoadImage((HINSTANCE)NULL,
-                                           stdIcons[nIcon].id,
-                                           IMAGE_ICON,
-                                           desiredWidth, desiredHeight,
-                                           LR_DEFAULTCOLOR);
+                hicon = ::LoadIcon((HINSTANCE)NULL, stdIcons[nIcon].id);
             }
         }
     }
@@ -540,12 +554,6 @@ bool wxICOResourceHandler::LoadIcon(wxIcon *icon,
     wxSize size = GetHiconSize(hicon);
     icon->SetSize(size.x, size.y);
 
-    // Override the found values with desired values
-    if ( desiredWidth > -1 && desiredHeight > -1 )
-    {
-        icon->SetSize(desiredWidth, desiredHeight);
-    }
-
     icon->SetHICON((WXHICON)hicon);
 
     return icon->Ok();