class WXDLLIMPEXP_FWD_CORE wxIcon;
class WXDLLIMPEXP_FWD_CORE wxMask;
class WXDLLIMPEXP_FWD_CORE wxPalette;
+class WXDLLIMPEXP_FWD_CORE wxDC;
// ----------------------------------------------------------------------------
// wxVariant support
// Unfortunately, currently wxBitmap does not inherit from wxBitmapBase on all
// platforms and this is not easy to fix. So we extract at least some common
-// methods into this class from which both wxBitmapBase (and hase wxBitmap on
+// methods into this class from which both wxBitmapBase (and hence wxBitmap on
// all platforms where it does inherit from it) and wxBitmap in wxMSW and other
// exceptional ports (only wxPM and old wxCocoa) inherit.
class WXDLLIMPEXP_CORE wxBitmapHelpers
virtual bool Create(int width, int height, int depth = wxBITMAP_SCREEN_DEPTH) = 0;
virtual bool Create(const wxSize& sz, int depth = wxBITMAP_SCREEN_DEPTH) = 0;
+ virtual bool CreateScaled(int w, int h, int d, double logicalScale)
+ { return Create(w*logicalScale,h*logicalScale,d); }
virtual int GetHeight() const = 0;
virtual int GetWidth() const = 0;
wxSize GetSize() const
{ return wxSize(GetWidth(), GetHeight()); }
+ // support for scaled bitmaps
+ virtual double GetScaleFactor() const { return 1.0; }
+ virtual double GetScaledWidth() const { return GetWidth() / GetScaleFactor(); }
+ virtual double GetScaledHeight() const { return GetHeight() / GetScaleFactor(); }
+ virtual wxSize GetScaledSize() const
+ { return wxSize(GetScaledWidth(), GetScaledHeight()); }
+
#if wxUSE_IMAGE
virtual wxImage ConvertToImage() const = 0;