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GradientFill.cpp

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00001 
00002 /*
00003     TEDDY - General graphics application library
00004     Copyright (C) 1999-2002  Timo Suoranta
00005     tksuoran@cc.helsinki.fi
00006 
00007     This library is free software; you can redistribute it and/or
00008     modify it under the terms of the GNU Lesser General Public
00009     License as published by the Free Software Foundation; either
00010     version 2.1 of the License, or (at your option) any later version.
00011 
00012     This library is distributed in the hope that it will be useful,
00013     but WITHOUT ANY WARRANTY; without even the implied warranty of
00014     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015     Lesser General Public License for more details.
00016 
00017     You should have received a copy of the GNU Lesser General Public
00018     License along with this library; if not, write to the Free Software
00019     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00020 
00021     $Id: GradientFill.cpp,v 1.4 2002/01/11 14:35:03 tksuoran Exp $
00022 */
00023 
00024 
00025 #include "Teddy/PhysicalComponents/GradientFill.h"
00026 #include "Teddy/Graphics/View.h"
00027 
00028 
00029 namespace Teddy              {
00030 namespace PhysicalComponents {
00031 
00032 
00034 GradientFill::GradientFill( const Color &left_top, const Color &right_top, const Color &right_bottom, const Color &left_bottom ):Fill(){
00035     //  Assign colors
00036     this->left_top     = left_top;
00037     this->right_top    = right_top;
00038     this->right_bottom = right_bottom;
00039     this->left_bottom  = left_bottom;
00040 }
00041 
00042 
00044 void GradientFill::drawSelf(){
00045 #   if defined( USE_TINY_GL )
00046     return;
00047 #   endif
00048 
00049     //  FIX add glPolygonMode();
00050 
00051     view->setPolygonMode( GL_FILL );
00052     view->enable        ( View::BLEND );
00053     view->disable       ( View::TEXTURE_2D );
00054     view->setBlendFunc  ( GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA );
00055     view->setShadeModel ( GL_SMOOTH );
00056 
00057     beginQuads();
00058     color( left_top     ); drawVertex(    0.0f,    0.0f );
00059     color( right_top    ); drawVertex( size[0],    0.0f );
00060     color( right_bottom ); drawVertex( size[0], size[1] );
00061     color( left_bottom  ); drawVertex(    0.0f, size[1] );
00062     end();
00063 }
00064 
00065 
00066 };  //  namespace PhysicalComponents
00067 };  //  namespace Teddy
00068