moflib-1.0/moflib/moflib/mof/widget/VerticalClipping.cpp

   1 #pragma once
   2 #include <mof/widget/VerticalClipping.hpp>
   3 #include <mof/ConsoleIO.hpp>
   4
   5
   6 namespace mof
   7 {
   8 namespace widget
   9 {
  10 //{{{ constructor
  11         VerticalClipping::VerticalClipping
  12         (
  13                 const mof::Manipulator<mof::Vector2D>::Handler& parentSize,
  14                 float initialChildSize,
  15                 float border
  16         )
  17                 : parentSize_(parentSize), initialChildSize_(initialChildSize), border_(border), initialParentSize_(parentSize->value(0).y)
  18         {
  19         }
  20 //}}}
  21 //{{{ destructor
  22         VerticalClipping::~VerticalClipping() {}
  23 //}}}
  24 //{{{ value
  25         mof::Vector2D VerticalClipping::value(mof::FrameNumber fn) const
  26         {
  27                 float currentParentSize = parentSize_->value(fn).y;
  28                 float d = border_ + (currentParentSize - initialParentSize_);
  29                 if (d > 0) return mof::Vector2D(0.0f, initialChildSize_);
  30                 return initialChildSize_ + d < 0 ? mof::Vector2D(0, 0) : mof::Vector2D(0.0f, initialChildSize_ + d);
  31         }
  32 //}}}
  33 }// namespace widget
  34 }// namespace mof