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36 lines
814 B
C++
36 lines
814 B
C++
//
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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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// Inquire about accidentals
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//
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uint16_t VLVisualInKey(int8_t pitch, int key);
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//
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// Grid position is defined from middle C
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//
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uint16_t VLPitchAccidental(int8_t pitch, uint16_t visual, int key);
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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=0) { ResetWithKey(key); }
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void ResetWithKey(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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}; |