source/geometry.cpp

   1 /* $Id$
   2
   3 This file is part of libmspgltk
   4 Copyright © 2007  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include "geometry.h"
   9
  10 namespace Msp {
  11 namespace GLtk {
  12
  13 bool Geometry::is_inside(int x_, int y_) const
  14 {
  15         return (x_>=x && x_<x+static_cast<int>(w) && y_>=y && y_<y+static_cast<int>(h));
  16 }
  17
  18 bool Geometry::is_inside_relative(int x_, int y_) const
  19 {
  20         return (x_>=0 && x_<static_cast<int>(w) && y_>=0 && y_<static_cast<int>(h));
  21 }
  22
  23
  24 Sides::Sides():
  25         top(0),
  26         right(0),
  27         bottom(0),
  28         left(0)
  29 { }
  30
  31
  32 Sides::Loader::Loader(Sides &s):
  33         sides(s)
  34 {
  35         add("top",    &Sides::top);
  36         add("right",  &Sides::right);
  37         add("bottom", &Sides::bottom);
  38         add("left",   &Sides::left);
  39 }
  40
  41
  42 void Alignment::apply(Geometry &geom, const Geometry &parent) const
  43 {
  44         if(parent.w>geom.w)
  45                 geom.w+=static_cast<unsigned>((parent.w-geom.w)*w);
  46         if(parent.h>geom.h)
  47                 geom.h+=static_cast<unsigned>((parent.h-geom.h)*h);
  48
  49         geom.x+=static_cast<int>((parent.w-geom.w)*x);
  50         geom.y+=static_cast<int>((parent.h-geom.h)*y);
  51 }
  52
  53 void Alignment::apply(Geometry &geom, const Geometry &parent, const Sides &margin) const
  54 {
  55         unsigned pw=parent.w-margin.left-margin.right;
  56         unsigned ph=parent.h-margin.bottom-margin.top;
  57
  58         if(parent.w>geom.w)
  59                 geom.w+=static_cast<unsigned>((pw-geom.w)*w);
  60         if(parent.h>geom.h)
  61                 geom.h+=static_cast<unsigned>((ph-geom.h)*h);
  62
  63         geom.x+=static_cast<int>(margin.left+(pw-geom.w)*x);
  64         geom.y+=static_cast<int>(margin.bottom+(ph-geom.h)*y);
  65 }
  66
  67 } // namespace GLtk
  68 } // namespace Msp