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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2011 KiCad Developers, see change_log.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <sch_canvas.h>
#include <sch_part.h>
#include <gal/font/newstroke_font.h>
#define SWEET_UNIT 50 ///< world units comprizing a sweet grid cell
namespace SCH {
CANVAS::CANVAS( wxWindow* aParent ) :
OPENGL_GAL( aParent, NULL, this ) // I am my own PaintListener
{
Connect( EVT_GAL_REDRAW, wxCommandEventHandler( CANVAS::onRedraw ) );
// Set the world unit length
SetWorldUnitLength( 0.01 );
SetScreenDPI( 100 );
ComputeWorldScreenMatrix();
// Set the world unit length
// SetLookAtPoint( VECTOR2D( size.x / 2, size.y / 2 ) );
// Load Font
if( !m_font.LoadNewStrokeFont( newstroke_font, newstroke_font_bufsize ) )
{
printf( "Loading of the font failed.\n" );
}
m_font.SetGraphicsAbstractionLayer( this );
}
void CANVAS::onRedraw( wxCommandEvent& event )
{
PaintScene();
}
void CANVAS::PaintScene()
{
BeginDrawing();
SetBackgroundColor( COLOR4D( 0x6c/255.0, 0x53/255.0, 0x53/255.0, 1.0 ) );
ClearScreen();
SetLayerDepth( -10 );
SetGridSize( VECTOR2D( SWEET_UNIT, SWEET_UNIT ) );
DrawGrid();
PaintRectangle();
SetLayerDepth( 0 );
Flush();
EndDrawing();
}
void CANVAS::PaintRectangle()
{
VECTOR2D worldSize = GetSize();
#if 1
SetLineWidth( 1 );
SetIsFill( true );
SetIsStroke( true );
SetFillColor( COLOR4D( 1, 1, 1, 1 ) );
SetStrokeColor( COLOR4D( 0, 0, 0, 1 ) );
DrawRectangle( VECTOR2D( worldSize.x/4, worldSize.y/4 ), VECTOR2D( 3*worldSize.x/4, 3*worldSize.y/4 ) );
#else
D( cout << worldSize << endl; )
int k = 0;
double alpha = 0;
for( double y = 0; y < worldSize.y - worldSize.y / 4; y += worldSize.y / 8 )
{
double index = 1;
double y2 = y;
for( double x = 0; x < worldSize.x - worldSize.x / 4; x += worldSize.x / 8 )
{
SetLineWidth( index + 1 );
SetIsFill( ( k == 1 ) || ( k == 2 ) );
SetIsStroke( ( k == 0 ) || ( k == 2 ) );
SetFillColor( COLOR4D( 1 - alpha, 1, 1, 1 - alpha ) );
SetStrokeColor( COLOR4D( alpha, alpha, 1 - alpha, alpha ) );
DrawRectangle( VECTOR2D( x, y2 ), VECTOR2D( x + index * 10, y2 + index * 10 ) );
x += index * 5;
y2 += index * 5;
index += 1;
}
k = ( k + 1 ) % 3;
alpha += 0.1;
}
#endif
}
} // namespace SCH
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