149 lines
3.5 KiB
C++
149 lines
3.5 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2011 KiCad Developers, see change_log.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <sch_canvas.h>
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#include <sch_part.h>
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#include <gal/font/newstroke_font.h>
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#define SWEET_UNIT 50 ///< world units comprizing a sweet grid cell
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namespace SCH {
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CANVAS::CANVAS( wxWindow* aParent ) :
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OPENGL_GAL( aParent, NULL, this ) // I am my own PaintListener
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{
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Connect( EVT_GAL_REDRAW, wxCommandEventHandler( CANVAS::onRedraw ) );
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// Set the world unit length
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SetWorldUnitLength( 0.01 );
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SetScreenDPI( 100 );
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ComputeWorldScreenMatrix();
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// Set the world unit length
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// SetLookAtPoint( VECTOR2D( size.x / 2, size.y / 2 ) );
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// Load Font
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if( !m_font.LoadNewStrokeFont( newstroke_font, newstroke_font_bufsize ) )
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{
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printf( "Loading of the font failed.\n" );
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}
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m_font.SetGraphicsAbstractionLayer( this );
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}
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void CANVAS::onRedraw( wxCommandEvent& event )
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{
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PaintScene();
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}
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void CANVAS::PaintScene()
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{
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BeginDrawing();
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SetBackgroundColor( COLOR4D( 0x6c/255.0, 0x53/255.0, 0x53/255.0, 1.0 ) );
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ClearScreen();
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SetLayerDepth( -10 );
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SetGridSize( VECTOR2D( SWEET_UNIT, SWEET_UNIT ) );
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DrawGrid();
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PaintRectangle();
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SetLayerDepth( 0 );
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Flush();
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EndDrawing();
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}
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void CANVAS::PaintRectangle()
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{
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VECTOR2D worldSize = GetSize();
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#if 1
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SetLineWidth( 1 );
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SetIsFill( true );
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SetIsStroke( true );
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SetFillColor( COLOR4D( 1, 1, 1, 1 ) );
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SetStrokeColor( COLOR4D( 0, 0, 0, 1 ) );
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DrawRectangle( VECTOR2D( worldSize.x/4, worldSize.y/4 ), VECTOR2D( 3*worldSize.x/4, 3*worldSize.y/4 ) );
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#else
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D( cout << worldSize << endl; )
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int k = 0;
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double alpha = 0;
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for( double y = 0; y < worldSize.y - worldSize.y / 4; y += worldSize.y / 8 )
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{
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double index = 1;
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double y2 = y;
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for( double x = 0; x < worldSize.x - worldSize.x / 4; x += worldSize.x / 8 )
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{
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SetLineWidth( index + 1 );
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SetIsFill( ( k == 1 ) || ( k == 2 ) );
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SetIsStroke( ( k == 0 ) || ( k == 2 ) );
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SetFillColor( COLOR4D( 1 - alpha, 1, 1, 1 - alpha ) );
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SetStrokeColor( COLOR4D( alpha, alpha, 1 - alpha, alpha ) );
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DrawRectangle( VECTOR2D( x, y2 ), VECTOR2D( x + index * 10, y2 + index * 10 ) );
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x += index * 5;
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y2 += index * 5;
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index += 1;
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}
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k = ( k + 1 ) % 3;
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alpha += 0.1;
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}
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#endif
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}
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} // namespace SCH
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