X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/20e6714a67e1188b9bbb8ca2bc0fb6321e2864fc..d642db66a5efc82d374b813022c72ba88bc50839:/include/wx/bitmap.h?ds=sidebyside

diff --git a/include/wx/bitmap.h b/include/wx/bitmap.h
index 82943ca228..06824a2c27 100644
--- a/include/wx/bitmap.h
+++ b/include/wx/bitmap.h
@@ -26,6 +26,7 @@ class WXDLLIMPEXP_FWD_CORE wxBitmapHandler;
 class WXDLLIMPEXP_FWD_CORE wxIcon;
 class WXDLLIMPEXP_FWD_CORE wxMask;
 class WXDLLIMPEXP_FWD_CORE wxPalette;
+class WXDLLIMPEXP_FWD_CORE wxDC;
 
 // ----------------------------------------------------------------------------
 // wxVariant support
@@ -89,7 +90,7 @@ protected:
 
 // 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
@@ -174,6 +175,8 @@ public:
 
     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;
@@ -182,6 +185,13 @@ public:
     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;