X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3cb332c1553bb977cb8db16c19c733684ef72805..2de77c6a543caf44069b275dd154d4fc692ad29d:/include/wx/gdicmn.h

diff --git a/include/wx/gdicmn.h b/include/wx/gdicmn.h
index 154c6652c4..47de6eefbb 100644
--- a/include/wx/gdicmn.h
+++ b/include/wx/gdicmn.h
@@ -255,10 +255,12 @@ public:
         { if ( sz.x < x ) x = sz.x; if ( sz.y < y ) y = sz.y; }
 
     void IncBy(int dx, int dy) { x += dx; y += dy; }
+    void IncBy(const wxPoint& pt);
     void IncBy(const wxSize& sz) { IncBy(sz.x, sz.y); }
     void IncBy(int d) { IncBy(d, d); }
 
     void DecBy(int dx, int dy) { IncBy(-dx, -dy); }
+    void DecBy(const wxPoint& pt);
     void DecBy(const wxSize& sz) { DecBy(sz.x, sz.y); }
     void DecBy(int d) { DecBy(d, d); }
 
@@ -396,7 +398,7 @@ public:
     wxRealPoint() : x(0.0), y(0.0) { }
     wxRealPoint(double xx, double yy) : x(xx), y(yy) { }
     wxRealPoint(const wxPoint& pt);
-    
+
     // no copy ctor or assignment operator - the defaults are ok
 
     //assignment operators
@@ -522,6 +524,18 @@ public:
 
     wxPoint& operator+=(const wxSize& s) { x += s.GetWidth(); y += s.GetHeight(); return *this; }
     wxPoint& operator-=(const wxSize& s) { x -= s.GetWidth(); y -= s.GetHeight(); return *this; }
+
+    // check if both components are set/initialized
+    bool IsFullySpecified() const { return x != wxDefaultCoord && y != wxDefaultCoord; }
+
+    // fill in the unset components with the values from the other point
+    void SetDefaults(const wxPoint& pt)
+    {
+        if ( x == wxDefaultCoord )
+            x = pt.x;
+        if ( y == wxDefaultCoord )
+            y = pt.y;
+    }
 };
 
 
@@ -827,6 +841,11 @@ inline bool wxRect::Inside(const wxRect& rect) const { return Contains(rect); }
 #endif // WXWIN_COMPATIBILITY_2_6
 
 
+// define functions which couldn't be defined above because of declarations
+// order
+inline void wxSize::IncBy(const wxPoint& pt) { IncBy(pt.x, pt.y); }
+inline void wxSize::DecBy(const wxPoint& pt) { DecBy(pt.x, pt.y); }
+
 // ---------------------------------------------------------------------------
 // Management of pens, brushes and fonts
 // ---------------------------------------------------------------------------