Compilation fix for wxUSE_PROTOCOL && !wxUSE_URL.

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

diff --git a/src/msw/imaglist.cpp b/src/msw/imaglist.cpp
index ff36d8bbb2b7f1d81a5a35233043d8955ad02fc6..b499da63b5cda4fe00debc919b8328c307b6b887 100644 (file)
--- a/src/msw/imaglist.cpp
+++ b/src/msw/imaglist.cpp
@@ -38,6 +38,8 @@
 #endif
 
 #include "wx/imaglist.h"
+#include "wx/dc.h"
+#include "wx/msw/dc.h"
 #include "wx/msw/private.h"
 
 // ----------------------------------------------------------------------------
@@ -117,7 +119,7 @@ wxImageList::~wxImageList()
 // Returns the number of images in the image list.
 int wxImageList::GetImageCount() const
 {
-    wxASSERT_MSG( m_hImageList, _T("invalid image list") );
+    wxASSERT_MSG( m_hImageList, wxT("invalid image list") );
 
     return ImageList_GetImageCount(GetHImageList());
 }
@@ -125,7 +127,7 @@ int wxImageList::GetImageCount() const
 // Returns the size (same for all images) of the images in the list
 bool wxImageList::GetSize(int WXUNUSED(index), int &width, int &height) const
 {
-    wxASSERT_MSG( m_hImageList, _T("invalid image list") );
+    wxASSERT_MSG( m_hImageList, wxT("invalid image list") );
 
     return ImageList_GetIconSize(GetHImageList(), &width, &height) != 0;
 }
@@ -241,8 +243,13 @@ bool wxImageList::Draw(int index,
                        int flags,
                        bool solidBackground)
 {
-    HDC hDC = GetHdcOf(dc);
-    wxCHECK_MSG( hDC, false, _T("invalid wxDC in wxImageList::Draw") );
+    wxDCImpl *impl = dc.GetImpl();
+    wxMSWDCImpl *msw_impl = wxDynamicCast( impl, wxMSWDCImpl );
+    if (!msw_impl)
+       return false;
+
+    HDC hDC = GetHdcOf(*msw_impl);
+    wxCHECK_MSG( hDC, false, wxT("invalid wxDC in wxImageList::Draw") );
 
     COLORREF clr = CLR_NONE;    // transparent by default
     if ( solidBackground )
@@ -278,7 +285,7 @@ bool wxImageList::Draw(int index,
 // Get the bitmap
 wxBitmap wxImageList::GetBitmap(int index) const
 {
-#if wxUSE_WXDIB
+#if wxUSE_WXDIB && wxUSE_IMAGE
     int bmp_width = 0, bmp_height = 0;
     GetSize(index, bmp_width, bmp_height);
 
@@ -340,6 +347,10 @@ wxIcon wxImageList::GetIcon(int index) const
 
 static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask)
 {
+#if wxUSE_IMAGE
+    wxBitmap bitmapWithMask;
+#endif // wxUSE_IMAGE
+
     HBITMAP hbmpMask;
     wxMask *pMask;
     bool deleteMask = false;
@@ -352,6 +363,23 @@ static HBITMAP GetMaskForImage(const wxBitmap& bitmap, const wxBitmap& mask)
     else
     {
         pMask = bitmap.GetMask();
+
+#if wxUSE_IMAGE
+        // check if we don't have alpha in this bitmap -- we can create a mask
+        // from it (and we need to do it for the older systems which don't
+        // support 32bpp bitmaps natively)
+        if ( !pMask )
+        {
+            wxImage img(bitmap.ConvertToImage());
+            if ( img.HasAlpha() )
+            {
+                img.ConvertAlphaToMask();
+                bitmapWithMask = wxBitmap(img);
+                pMask = bitmapWithMask.GetMask();
+            }
+        }
+#endif // wxUSE_IMAGE
+
         if ( !pMask )
         {
             // use the light grey count as transparent: the trouble here is