ui_View.cpp

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#include "ui_View.hpp"

View::View()
  : mViewport(0,0,256,256)
  , mBGColor(0,0,0)
  , mpParent(0)
{
}
void View::reshape(int w, int h) 
{ 
  setViewport( Vec4i(mViewport[0], mViewport[1], w, h) );
}
void View::setViewport(const Vec4i& vp)
{
  mViewport = vp;
}
  
const int& View::width()  const 
{ 
  return mViewport[2]; 
}

const int& View::height() const 
{ 
  return mViewport[3]; 
}

void View::setBGColor(const Vec3d& color)
{
  mBGColor = color;
}

void View::display()
{
  setupViewport();
  setupTransformation();
  drawClearRect();
}

  // user input

void View::mouse(int button, int state, int x, int y) 
{ 
}
void View::motion(int x, int y) 
{ 
}

void View::onEvent(Event& e) 
{ 
}

Window* View::getWindow() 
{ 
  return (mpParent) ? mpParent->getWindow() : 0; 
}


void View::drawClearRect()
{  
  glColor3d(mBGColor[0],mBGColor[1],mBGColor[2]);
  glRecti(-1,-1,1,1);
}
void View::setupProjectionOrthoNormal()
{
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(-1,1,-1,1,-1,1);
}
void View::setupTransformationNormal()
{
  setupProjectionOrthoNormal();
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();
}
void View::setupTransformationScreen()
{
  glMatrixMode(GL_PROJECTION);
  glLoadIdentity();
  glOrtho(0,width()-1,0,height()-1,0,1);
  glMatrixMode(GL_MODELVIEW);
  glLoadIdentity();
}

void View::setupViewport()
{
  int x = (mViewport[0] < 0) ? 0 : mViewport[0];
  int y = (mViewport[1] < 0) ? 0 : mViewport[1];
  int w = (mViewport[2] < 0) ? 0 : mViewport[2];
  int h = (mViewport[3] < 0) ? 0 : mViewport[3];
  glViewport(x,y,w,h);
}

void View::setupTransformation()
{
  setupTransformationNormal();
}

void View::setParent(View* pParent)
{
  mpParent = pParent;
}