---

ViewDraw.cpp

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/*
    TEDDY - General graphics application library
    Copyright (C) 1999-2002  Timo Suoranta
    tksuoran@cc.helsinki.fi

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    $Id: View.cpp,v 1.8 2002/02/16 16:38:11 tksuoran Exp $
*/


#include "Teddy/TeddyConfig.h"
#include "Teddy/Graphics/Device.h"
#include "Teddy/Graphics/Font.h"
#include "Teddy/Graphics/PsRenderer.h"
#include "Teddy/Graphics/Texture.h"
#include "Teddy/Graphics/View.h"
#include "Teddy/Maths/Matrix.h"
#include "Teddy/PhysicalComponents/WindowManager.h"
#include "Teddy/PhysicalComponents/Style.h"
#include "Teddy/SysSupport/Messages.h"
#include "Teddy/SysSupport/StdSDL.h"
#include "Teddy/SysSupport/StdIO.h"
#ifndef SWIG
#include <cstdlib>
#endif
using namespace Teddy::Maths;
using namespace Teddy::PhysicalComponents;
using namespace Teddy::SysSupport;


namespace Teddy    {
namespace Graphics {




void View::vertex( const Vector &v, const Vector2 &t ) const {
    texture( t );
    vertex ( v );
}


void View::vertex( const Vector2 &v, const Vector2 &t ) const {
    msg( M_GL, "vertex( %f, %f   %f, %f )", v[0],v[1],t[0],t[1] );
    texture( t );
    vertex( v );
}


void View::drawFillRect( const float x1, const float y1, const float x2, const float y2 ){
    msg( M_GL, "View::drawFillRect( %f, %f, %f, %f )", x1,y1,x2,y2 );
    setPolygonMode( GL_FILL );
    beginQuads();
    vertex( x1, y1 );
    vertex( x2, y1 );
    vertex( x2, y2 );
    vertex( x1, y2 );
    end();
}


void View::blit( const Vector2 &pos, Texture *t ){
    Vector2 size = Vector2( t->getSize() );
    Vector2 max  = pos + (Vector2)( t->getSize() ) - Vector2( 1, 1 );
    //int x2 = x1 + t->getWidth () -1 ;
    //int y2 = y1 + t->getHeight() -1 ;

    color         ( C_WHITE    );
    setTexture    ( t          );
    setPolygonMode( GL_FILL    );
    setBlendFunc  ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
    enable        ( TEXTURE_2D );
    enable        ( BLEND      );

    beginQuads();
    vertex( pos                       , Vector2(0,0) );
    vertex( Vector2( max[0], pos[1] ) , Vector2(1,0) );
    vertex( max                       , Vector2(1,1) );
    vertex( Vector2( pos[0], max[1] ) , Vector2(0,1) );
    end();
}


void View::drawRect( const float x1, const float y1, const float x2, const float y2 ){
    setPolygonMode( GL_LINE );
    beginQuads();
    vertex( x1     , y1+1.0f );
    vertex( x2-1.0f, y1+1.0f );
    vertex( x2-1.0f, y2      );
    vertex( x1     , y2      );
    end();
}


void View::drawBiColRect( const float x1, const float y1, const float x2, const float y2, const Color &top_left, const Color &bottom_right ){
    color( top_left );
    beginLineStrip();
    vertex( x1, y2      );
    vertex( x1, y1+1.0f );
    vertex( x2, y1+1.0f );
    end();
    color( bottom_right );
    beginLineStrip();
    vertex( x2-1.0f, y1+1.0f );
    vertex( x2-1.0f, y2      );
    vertex( x1,      y2      );
    end();
}


void View::drawString( const Vector2 &pos, const char *str, Font *font ){
    font->drawString( pos, str, this );
}


};  //  namespace Graphics
};  //  namespace Teddy