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30 lines
618 B
C
30 lines
618 B
C
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//
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// File: VLPitchGrid.h - Translate between (MIDI) pitches and their vertical position
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//
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// Author(s):
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//
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// (MN) Matthias Neeracher
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//
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// Copyright © 2011 Matthias Neeracher
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//
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#include <inttypes.h>
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//
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// Grid position is defined from middle C
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//
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int VLPitchToGrid(int8_t pitch, uint16_t & visual, int key);
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int8_t VLGridToPitch(int gridPos, uint16_t visual, int key);
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//
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// Avoid repeating accidentals
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//
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class VLVisualFilter {
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public:
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VLVisualFilter(int key);
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uint16_t operator()(int gridPos, uint16_t visual);
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private:
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uint16_t fState[7];
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uint16_t fKeyState[7];
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};
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