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54 lines
1.4 KiB
54 lines
1.4 KiB
/*
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Copyright (C) 2000 Jeff Tranter
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tranter@pobox.com
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(C) 1999 Stefan Westerfeld
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stefan@space.twc.de
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This program 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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "artsmodulessynth.h"
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#include "stdsynthmodule.h"
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using namespace Arts;
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class Synth_PSCALE_impl : virtual public Synth_PSCALE_skel,
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virtual public StdSynthModule
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{
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protected:
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float _top;
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public:
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float top() { return _top; }
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void top(float newTop) { _top = newTop; }
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void calculateBlock(unsigned long samples)
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{
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for (unsigned int i=0; i < samples; i++)
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{
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if (pos[i] >= _top)
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outvalue[i] = invalue[i] * (1 - pos[i])/(1 - _top);
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else
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outvalue[i] = invalue[i] * pos[i] / _top;
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}
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}
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};
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REGISTER_IMPLEMENTATION(Synth_PSCALE_impl);
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