Jaye Evins
73 lines
2.3 KiB
C++
73 lines
2.3 KiB
C++
// RollTemplatePath.cpp
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//
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// Copyright (C) 2014-2026 Jaye Evins <evins@snaught.com>
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//
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// This file is part of gLabels-qt.
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//
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// gLabels-qt is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// gLabels-qt 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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//
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#include "RollTemplatePath.hpp"
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#include <QDebug>
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namespace glabels
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{
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///
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/// Constructor
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///
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RollTemplatePath::RollTemplatePath( const model::Template& tmplate )
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{
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if ( !tmplate.isRoll() )
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{
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qWarning() << "Not a \"Roll\" template type.";
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}
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model::Distance x0 = (tmplate.pageWidth() - tmplate.rollWidth()) / 2.0;
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model::Distance w = tmplate.rollWidth();
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model::Distance h = tmplate.pageHeight();
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model::Distance c = 0.07*h;
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model::Distance b = 0.03*h;
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const int nx = 18;
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// Upper break line
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moveTo( x0.pt(), -c.pt() );
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for ( int ix = 1; ix <= nx; ix++ )
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{
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model::Distance x = ix * (w/double(nx)) + x0;
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double a = ix * (2*M_PI/double(nx));
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lineTo( x.pt(), b.pt()*sin(a) - c.pt() );
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}
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// Lower break line
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lineTo( (x0+w).pt(), (h+c).pt() );
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for ( int ix = nx-1; ix >= 0; ix-- )
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{
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model::Distance x = ix * (w/double(nx)) + x0;
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double a = ix * (2*M_PI/double(nx));
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lineTo( x.pt(), b.pt()*sin(a) + h.pt() + c.pt() );
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}
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// Close path
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closeSubpath();
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}
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} // namespace glabels
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