Add various constructors to Sides (semantics inspired by CSS margins)

[libs/gltk.git] / source / geometry.cpp

diff --git a/source/geometry.cpp b/source/geometry.cpp
index 5c304d389a631eab7c63c905b28425bcaaa7c5da..91d7c5a50abadcb8076192e48eea2b6c8a476608 100644 (file)
--- a/source/geometry.cpp
+++ b/source/geometry.cpp
@@ -1,7 +1,7 @@
 /* $Id$
 
 This file is part of libmspgltk
-Copyright © 2007  Mikko Rasa, Mikkosoft Productions
+Copyright © 2007-2008, 2010-2011  Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
@@ -28,6 +28,34 @@ Sides::Sides():
        left(0)
 { }
 
+Sides::Sides(unsigned s):
+       top(s),
+       right(s),
+       bottom(s),
+       left(s)
+{ }
+
+Sides::Sides(unsigned v, unsigned h):
+       top(v),
+       right(h),
+       bottom(v),
+       left(h)
+{ }
+
+Sides::Sides(unsigned t, unsigned h, unsigned b):
+       top(t),
+       right(h),
+       bottom(b),
+       left(h)
+{ }
+
+Sides::Sides(unsigned t, unsigned r, unsigned b, unsigned l):
+       top(t),
+       right(r),
+       bottom(b),
+       left(l)
+{ }
+
 
 Sides::Loader::Loader(Sides &s):
        DataFile::ObjectLoader<Sides>(s)
@@ -55,22 +83,14 @@ void Alignment::apply(Geometry &geom, const Geometry &parent) const
 
 void Alignment::apply(Geometry &geom, const Geometry &parent, const Sides &margin) const
 {
-       unsigned pw = parent.w-margin.left-margin.right;
-       unsigned ph = parent.h-margin.bottom-margin.top;
+       Geometry content = parent;
+       content.w -= margin.left+margin.right;
+       content.h -= margin.bottom+margin.top;
 
        geom.x += margin.left;
        geom.y += margin.bottom;
 
-       if(pw>geom.w)
-       {
-               geom.w += static_cast<unsigned>((pw-geom.w)*w);
-               geom.x += static_cast<int>((pw-geom.w)*x);
-       }
-       if(ph>geom.h)
-       {
-               geom.h += static_cast<unsigned>((ph-geom.h)*h);
-               geom.y += static_cast<int>((ph-geom.h)*y);
-       }
+       apply(geom, content);
 }
 
 } // namespace GLtk