+// Under Windows we can load wxImage not only from files but also from
+// resources.
+#if defined(__WINDOWS__) && wxUSE_WXDIB && wxUSE_IMAGE
+ #define HAS_LOAD_FROM_RESOURCE
+#endif
+
+#ifdef HAS_LOAD_FROM_RESOURCE
+
+#include "wx/msw/dib.h"
+#include "wx/msw/private.h"
+
+static wxImage LoadImageFromResource(const wxString &name, wxBitmapType type)
+{
+ AutoHBITMAP
+ hBitmap,
+ hMask;
+
+ if ( type == wxBITMAP_TYPE_BMP_RESOURCE )
+ {
+ hBitmap.Init( ::LoadBitmap(wxGetInstance(), name.t_str()) );
+
+ if ( !hBitmap )
+ {
+ wxLogError(_("Failed to load bitmap \"%s\" from resources."), name);
+ }
+ }
+ else if ( type == wxBITMAP_TYPE_ICO_RESOURCE )
+ {
+ const HICON hIcon = ::LoadIcon(wxGetInstance(), name.t_str());
+
+ if ( !hIcon )
+ {
+ wxLogError(_("Failed to load icon \"%s\" from resources."), name);
+ }
+ else
+ {
+ ICONINFO info;
+ if ( !::GetIconInfo(hIcon, &info) )
+ {
+ wxLogLastError(wxT("GetIconInfo"));
+ return wxImage();
+ }
+
+ hBitmap.Init(info.hbmColor);
+ hMask.Init(info.hbmMask);
+ }
+ }
+ else if ( type == wxBITMAP_TYPE_CUR_RESOURCE )
+ {
+ wxLogDebug(wxS("Loading cursors from resources is not implemented."));
+ }
+ else
+ {
+ wxFAIL_MSG(wxS("Invalid bitmap resource type."));
+ }
+
+ if ( !hBitmap )
+ return wxImage();
+
+ wxImage image = wxDIB(hBitmap).ConvertToImage();
+ if ( hMask )
+ {
+ const wxImage mask = wxDIB(hMask).ConvertToImage();
+ image.SetMaskFromImage(mask, 255, 255, 255);
+ }
+ else
+ {
+ // Light gray colour is a default mask
+ image.SetMaskColour(0xc0, 0xc0, 0xc0);
+ }
+
+ // We could have already loaded alpha from the resources, but if not,
+ // initialize it now using the mask.
+ if ( !image.HasAlpha() )
+ image.InitAlpha();
+
+ return image;
+}
+
+#endif // HAS_LOAD_FROM_RESOURCE
+
+bool wxImage::LoadFile( const wxString& filename,
+ wxBitmapType type,
projects / wxWidgets.git / blobdiff