return wxRect(x1, y1, x2-x1, y2-y1);
}
+wxRect& wxRect::Inflate(wxCoord dx, wxCoord dy)
+{
+ x -= dx;
+ y -= dy;
+ width += 2*dx;
+ height += 2*dy;
+
+ // check that we didn't make the rectangle invalid by accident (you almost
+ // never want to have negative coords and never want negative size)
+ wxASSERT_MSG( x >= 0 && y >= 0 && width >= 0 && height >= 0,
+ _T("wxRect::Inflate() resulted in an invalid rectangle!") );
+
+ return *this;
+}
+
bool wxRect::Inside(int cx, int cy) const
{
return ( (cx >= x) && (cy >= y)
);
}
+wxRect& wxRect::Intersect(const wxRect& rect)
+{
+ int x2 = GetRight(),
+ y2 = GetBottom();
+
+ if ( x < rect.x )
+ x = rect.x;
+ if ( y < rect.y )
+ y = rect.y;
+ if ( x2 > rect.GetRight() )
+ x2 = rect.GetRight();
+ if ( y2 > rect.GetBottom() )
+ y2 = rect.GetBottom();
+
+ width = x2 - x + 1;
+ height = y2 - y + 1;
+
+ if ( width <= 0 || height <= 0 )
+ {
+ width =
+ height = 0;
+ }
+
+ return *this;
+}
+
+bool wxRect::Intersects(const wxRect& rect) const
+{
+ wxRect r = Intersect(rect);
+
+ // if there is no intersection, both width and height are 0
+ return r.width != 0;
+}
+
wxColourDatabase::wxColourDatabase (int type) : wxList (type)
{
}
#ifdef __WXPM__
return NULL;
#endif
+#ifdef __WXMGL__
+ return NULL;
+#endif
// TODO for other implementations. This should really go into
// platform-specific directories.