mirror of
https://github.com/microtherion/VocalEasel.git
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Remove vestigial MMA / Partial/Visual note infrastructure
This commit is contained in:
Matthias Neeracher
parent
3a5c3df5ec
commit
a60d6612ff
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@ -140,7 +140,7 @@
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<key>CFBundleSignature</key>
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<key>CFBundleSignature</key>
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<string>VçEz</string>
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<string>VçEz</string>
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<key>CFBundleVersion</key>
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<key>CFBundleVersion</key>
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<string>1.0a3</string>
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<string>1.0a4</string>
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<key>NSMainNibFile</key>
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<key>NSMainNibFile</key>
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<string>MainMenu</string>
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<string>MainMenu</string>
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<key>NSPrincipalClass</key>
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<key>NSPrincipalClass</key>
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@ -92,27 +92,6 @@ static std::string PitchName(int8_t pitch, bool useSharps)
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+ std::string(kVLFlatStr);
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+ std::string(kVLFlatStr);
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}
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}
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static std::string MMAPitchName(int8_t pitch, bool useSharps)
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{
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if (pitch == VLNote::kNoPitch)
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return "r";
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char name[3];
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name[2] = 0;
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name[1] = 'n';
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pitch %= 12;
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if (kScale[pitch] != ' ') {
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name[0] = kScale[pitch];
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} else if (useSharps) {
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name[0] = kScale[pitch-1];
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name[1] = '#';
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} else {
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name[0] = kScale[pitch+1];
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name[1] = '&';
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}
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return name;
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}
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VLNote::VLNote(std::string name)
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VLNote::VLNote(std::string name)
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{
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{
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//
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//
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@ -151,77 +130,6 @@ void VLNote::Name(std::string & name, bool useSharps) const
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name = PitchName(fPitch, useSharps);
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name = PitchName(fPitch, useSharps);
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}
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}
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static struct {
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VLFract fVal;
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const char * fName;
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} sMMADur [] = {
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{{1,1}, "1"},
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{{1,2}, "2"},
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{{1,3}, "23"},
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{{1,4}, "4"},
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{{1,6}, "81"},
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{{1,8}, "8"},
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{{1,12}, "82"},
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{{1,16}, "16"},
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{{1,24}, "6"},
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{{1,32}, "32"},
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{{1,64}, "64"},
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{{0,0}, 0}
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};
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void VLNote::MMAName(std::string & name, VLFraction at, VLFraction dur, VLFraction prevDur, VLFraction nextDur, const VLProperties & prop) const
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{
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if (fTied & kTiedWithPrev) {
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if (fTied & kTiedWithNext) {
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name = "~<>~";
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} else {
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name = '~';
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}
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return;
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}
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bool useSharps = prop.fKey >= 0;
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name.clear();
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VLFraction prevPart(0);
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while (dur.fNum) {
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VLFraction part;
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bool grouped = dur==nextDur ||
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(prevPart!=0 ? dur==prevPart : dur==prevDur);
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prop.PartialNote(at, dur, grouped, &part);
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const char * durName;
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for (int d=0; sMMADur[d].fName; ++d)
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if (part == sMMADur[d].fVal) {
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durName = sMMADur[d].fName;
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break;
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}
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if (!strcmp(durName, "82")) {
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//
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// Distinguish 2nd pair of swing 8ths from regular triplet
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//
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const VLFraction kBeat(1, prop.fTime.fDenom);
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VLFraction withinBeat = at % kBeat;
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if (withinBeat != 2*kBeat/3)
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durName = "3";
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}
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if (name.size())
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name += '+';
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name += durName;
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prevPart = part;
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dur -= part;
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at += part;
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}
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int pitch = fTied & kTiedWithPrev ? kNoPitch : fPitch;
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name += MMAPitchName(pitch, useSharps);
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if (pitch != kNoPitch) {
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for (int raise = (pitch-kMiddleC)/kOctave; raise>0; --raise)
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name += '+';
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for (int lower = (kMiddleC+kOctave-1-pitch)/kOctave; lower>0; --lower)
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name += '-';
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}
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if (fTied & kTiedWithNext)
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name += '~';
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}
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void VLNote::MakeRepresentable()
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void VLNote::MakeRepresentable()
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{
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{
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if (fDuration > 1)
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if (fDuration > 1)
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@ -467,263 +375,11 @@ void VLChord::Name(std::string & base, std::string & ext, std::string & root, bo
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root = PitchName(fRootPitch, useSharps);
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root = PitchName(fRootPitch, useSharps);
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}
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}
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//
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// MMA supports a large but finite list of chords
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//
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static const VLChordModifier kMMAModifiers[] = {
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{"", 0, 0},
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{"+", _ kmAug5th, _ km5th},
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{"11", _ kmMin7th | _ kmMaj9th | _ km11th, 0},
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{"11b9", _ kmMin7th | _ kmMin9th | _ km11th, 0},
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{"13", _ kmMin7th | _ kmMaj9th | _ km11th | _ kmMaj13th, 0},
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{"5", 0, _ kmMaj3rd},
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{"6", _ kmDim7th, 0},
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{"69", _ kmDim7th | _ kmMaj9th, 0},
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{"7", _ kmMin7th, 0},
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{"7#11", _ kmMin7th | _ kmAug11th, 0},
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{"7#5", _ kmMin7th | _ kmAug5th, _ km5th},
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{"7#5#9", _ kmMin7th | _ kmAug5th | _ kmAug9th, _ km5th},
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{"7#5b9", _ kmMin7th | _ kmAug5th | _ kmMin9th, _ km5th},
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{"7#9", _ kmMin7th | _ kmAug9th, 0},
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{"7#9#11", _ kmMin7th | _ kmAug9th | _ kmAug11th, 0},
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{"7b5", _ kmMin7th | _ kmDim5th, _ km5th},
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{"7b5#9", _ kmMin7th | _ kmDim5th | _ kmAug9th, _ km5th},
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{"7b5b9", _ kmMin7th | _ kmDim5th | _ kmMin9th, _ km5th},
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{"7b9", _ kmMin7th | _ kmMin9th, 0},
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{"7sus", _ kmMin7th | _ km4th, _ kmMaj3rd},
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{"7sus2", _ kmMin7th | _ kmMaj2nd, _ kmMaj3rd},
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{"9", _ kmMin7th | _ kmMaj9th, 0},
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{"9#11", _ kmMin7th | _ kmMaj9th | _ kmAug11th, 0},
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{"9#5", _ kmMin7th | _ kmMaj9th | _ kmAug5th, _ km5th},
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{"9b5", _ kmMin7th | _ kmMaj9th | _ kmDim5th, _ km5th},
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{"9sus", _ kmMaj9th, 0},
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{"M13", _ kmMaj7th | _ kmMaj13th, 0},
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{"M7", _ kmMaj7th, 0},
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{"M7#11", _ kmMaj7th | _ kmMaj9th | _ kmAug11th, 0},
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{"M7#5", _ kmMaj7th | _ kmAug5th, _ km5th},
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{"M7b5", _ kmMaj7th | _ kmDim5th, _ km5th},
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{"M9", _ kmMaj7th | _ kmMaj9th, 0},
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{"aug9", _ kmMin7th | _ kmMaj9th | _ kmAug5th, _ km5th},
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{"dim3", _ kmMin3rd | _ kmDim5th, _ kmMaj3rd | _ km5th},
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{"dim7", _ kmMin3rd | _ kmDim5th | _ kmDim7th, _ kmMaj3rd | _ km5th},
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{"m", _ kmMin3rd, _ kmMaj3rd},
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{"m#5", _ kmMin3rd | _ kmAug5th, _ kmMaj3rd | _ km5th},
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{"m(maj7)", _ kmMin3rd | _ kmMaj7th, _ kmMaj3rd},
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{"m(sus9)", _ kmMin3rd | _ kmMaj9th, _ kmMaj3rd},
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{"m11", _ kmMin3rd | _ kmMin7th | _ kmMaj9th | _ km11th, _ kmMaj3rd},
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{"m6", _ kmMin3rd | _ kmDim7th, _ kmMaj3rd},
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{"m69", _ kmMin3rd | _ kmDim7th | _ kmMaj9th, _ kmMaj3rd},
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{"m7", _ kmMin3rd | _ kmMin7th, _ kmMaj3rd},
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{"m7b5", _ kmMin3rd | _ kmMin7th | _ kmDim5th, _ kmMaj3rd | _ km5th},
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{"m7b9", _ kmMin3rd | _ kmMin7th | _ kmMin9th, _ kmMaj3rd},
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{"m9", _ kmMin3rd | _ kmMin7th | _ kmMaj9th, _ kmMaj3rd},
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{"m9b5", _ kmMin3rd | _ kmMin7th | _ kmMaj9th | _ kmDim5th, _ kmMaj3rd | _ km5th},
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{"mM7", _ kmMin3rd | _ kmMaj7th, _ kmMaj3rd},
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{"mb5", _ kmMin3rd | _ kmDim5th, _ kmMaj3rd | _ km5th},
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{"sus", _ km4th, _ kmMaj3rd},
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{"sus2", _ kmMaj2nd, _ kmMaj3rd},
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{"sus9", _ kmMaj9th, 0},
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{NULL, 0, 0}
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};
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bool VLChord::MMAName(std::string & name, bool useSharps, bool initial) const
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{
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VLFraction dur = fDuration;
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int quarters = static_cast<int>(dur*4.0f+0.5f);
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name = "";
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if (!quarters--)
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return initial;
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if (fPitch == kNoPitch) {
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name = initial ? 'z' : '/';
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} else {
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std::string base, ext;
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VLNote::Name(base, useSharps);
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size_t best = 0;
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size_t bestBits = 32;
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size_t bestScore= 0;
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for (size_t i=0; kMMAModifiers[i].fName; ++i) {
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uint32_t steps = (kmUnison | kmMaj3rd | km5th)
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| kMMAModifiers[i].fAddSteps
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&~kMMAModifiers[i].fDelSteps;
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if (fSteps == steps) {
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//
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// Exact match
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//
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best = i;
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break;
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}
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steps ^= fSteps;
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size_t bits=0;
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size_t score=0;
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for (uint32_t b=steps; b; b &= (b-1))
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++bits;
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for (size_t b=0; b<32; ++b)
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if (steps & (1<<b))
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score += 32-b;
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if (bits < bestBits || (bits==bestBits && score < bestScore)) {
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best = i;
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bestBits = bits;
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bestScore = score;
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}
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}
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ext = kMMAModifiers[best].fName;
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name = base+ext;
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if (fRootPitch != kNoPitch)
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name += '/' + PitchName(fRootPitch, useSharps);
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std::toupper(base[0]);
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size_t mod;
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while ((mod = name.find("Maj")) != std::string::npos)
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name.erase(mod+1, 2);
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while ((mod = name.find(kVLSharpStr)) != std::string::npos)
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name.replace(mod, 3, "#", 1);
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while ((mod = name.find(kVLFlatStr)) != std::string::npos)
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name.replace(mod, 3, "&", 1);
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}
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while (quarters--)
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name += " /";
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return false;
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}
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static VLFraction MaxNote(VLFraction d)
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{
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if (d >= 1)
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return 1;
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if (d.fNum == 1 && !(d.fDenom & (d.fDenom-1))) // Power of 2
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return d;
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VLFraction note(1,2);
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VLFraction triplet(1,3);
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for (;;) {
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if (d >= note)
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return note;
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else if (d >= triplet)
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return triplet;
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note /= 2;
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triplet /= 2;
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}
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}
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static void TrimNote(VLFraction at, VLFraction & d, VLFraction grid)
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{
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if (at < grid && d > grid-at)
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d = MaxNote(grid-at);
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}
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void VLProperties::PartialNote(VLFraction at, VLFraction totalDuration,
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bool grouped, VLFraction * noteDuration) const
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{
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const VLFraction kBeat(1, fTime.fDenom);
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at %= fTime;
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*noteDuration = MaxNote(std::min(MaxNote(totalDuration), fTime-at)); // Don't extend past measure
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if (at.fDenom > kBeat.fDenom) { // Break up notes not starting on beat
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// Don't extend past "middle" of measure
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if (fTime.fNum & 1) // Odd timecode, round up (most 5/4 seems to be 3+2, not 2+3)
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TrimNote(at, *noteDuration, VLFraction((fTime.fNum+1)/2, fTime.fDenom));
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else
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TrimNote(at, *noteDuration, fTime / 2);
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at %= kBeat;
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if (at == 2*kBeat/3)
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TrimNote(0, *noteDuration, kBeat); // Allow syncopated beats in swing
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else
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TrimNote(at, *noteDuration, kBeat);// Don't let other notes span beats
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}
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if (!(noteDuration->fDenom % 3))
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if (*noteDuration != totalDuration) {
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if (((at+*noteDuration)%kBeat) > 0)
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*noteDuration *= VLFraction(3,4); // avoid frivolous triplets
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} else if (*noteDuration > VLFraction(1,4*fDivisions) && !grouped) {
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if (*noteDuration == VLFraction(1,2*fDivisions))
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if (at % VLFraction(1, 4*fDivisions/3) == 0)
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return; // Permit larger swing notes
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*noteDuration *= VLFraction(3,4); // avoid other isolated triplets
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}
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}
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void VLProperties::VisualNote(VLFraction at, VLFraction actualDur,
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bool prevTriplet,
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VLFraction *visualDur, bool * triplet) const
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{
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bool swing= !(fDivisions % 3); // In swing mode?
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VLFraction swung(3, fDivisions*8, true); // Which notes to swing
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VLFraction swingGrid(2*swung); // Alignment of swing notes
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if (*triplet = !(actualDur.fDenom % 3)) {
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if (swing) { // Swing 8ths / 16ths are written as straight 8ths
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if (actualDur == 4*swung/3 && (at % swingGrid) == 0) {
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*visualDur = swung;
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*triplet = false;
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} else if (actualDur == 2*swung/3 && ((at+actualDur) % swingGrid) == 0 && !prevTriplet) {
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*visualDur = swung;
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*triplet = false;
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} else {
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*visualDur = 3*actualDur/2;
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}
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} else {
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*visualDur = 3*actualDur/2;
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}
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} else {
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*visualDur = actualDur;
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}
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}
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VLMeasure::VLMeasure()
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VLMeasure::VLMeasure()
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: fPropIdx(0)
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: fPropIdx(0)
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{
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{
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}
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}
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void VLMeasure::MMANotes(std::string & notes, const VLProperties & prop,
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VLFraction extra) const
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{
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VLFraction at(0);
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VLNoteList::const_iterator i = fMelody.begin();
|
|
||||||
VLNoteList::const_iterator e = fMelody.end();
|
|
||||||
|
|
||||||
notes.clear();
|
|
||||||
VLFraction prevDur(0);
|
|
||||||
for (; i!=e; ++i) {
|
|
||||||
std::string note;
|
|
||||||
VLFraction nextDur(0);
|
|
||||||
VLFraction dur(i->fDuration);
|
|
||||||
VLNoteList::const_iterator n=i;
|
|
||||||
if (++n != e)
|
|
||||||
nextDur = n->fDuration;
|
|
||||||
else
|
|
||||||
dur += extra;
|
|
||||||
i->MMAName(note, at, dur, prevDur, nextDur, prop);
|
|
||||||
if (notes.size()>1)
|
|
||||||
notes += ' ';
|
|
||||||
if (note == "~")
|
|
||||||
notes += note;
|
|
||||||
else
|
|
||||||
notes += note+';';
|
|
||||||
at += i->fDuration;
|
|
||||||
}
|
|
||||||
if (notes == "~")
|
|
||||||
notes += "<>;";
|
|
||||||
}
|
|
||||||
|
|
||||||
void VLMeasure::MMAChords(std::string & chords, const VLProperties & prop,
|
|
||||||
bool initial) const
|
|
||||||
{
|
|
||||||
VLChordList::const_iterator i = fChords.begin();
|
|
||||||
VLChordList::const_iterator e = fChords.end();
|
|
||||||
|
|
||||||
chords.clear();
|
|
||||||
for (; i!=e; ++i) {
|
|
||||||
std::string chord;
|
|
||||||
initial = i->MMAName(chord, prop.fKey >= 0, initial);
|
|
||||||
if (chords.size())
|
|
||||||
chords += ' ';
|
|
||||||
chords += chord;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool VLMeasure::IsEmpty() const
|
bool VLMeasure::IsEmpty() const
|
||||||
{
|
{
|
||||||
return fChords.size() == 1 && fMelody.size() == 1
|
return fChords.size() == 1 && fMelody.size() == 1
|
||||||
|
|
|
||||||
|
|
@ -150,7 +150,6 @@ struct VLNote {
|
||||||
VLNote(VLFraction dur=0, int pitch=kNoPitch);
|
VLNote(VLFraction dur=0, int pitch=kNoPitch);
|
||||||
VLNote(std::string name);
|
VLNote(std::string name);
|
||||||
void Name(std::string & name, bool useSharps = false) const;
|
void Name(std::string & name, bool useSharps = false) const;
|
||||||
void MMAName(std::string & name, VLFraction at, VLFraction dur, VLFraction prevDur, VLFraction nextDur, const VLProperties & prop) const;
|
|
||||||
void MakeRepresentable();
|
void MakeRepresentable();
|
||||||
void AlignToGrid(VLFraction at, VLFraction grid);
|
void AlignToGrid(VLFraction at, VLFraction grid);
|
||||||
};
|
};
|
||||||
|
|
@ -209,7 +208,6 @@ struct VLChord : VLNote {
|
||||||
VLChord(VLFraction dur=0, int pitch=kNoPitch, int rootPitch=kNoPitch);
|
VLChord(VLFraction dur=0, int pitch=kNoPitch, int rootPitch=kNoPitch);
|
||||||
VLChord(std::string name);
|
VLChord(std::string name);
|
||||||
void Name(std::string & base, std::string & ext, std::string & root, bool useSharps = false) const;
|
void Name(std::string & base, std::string & ext, std::string & root, bool useSharps = false) const;
|
||||||
bool MMAName(std::string & name, bool useSharps, bool initial) const;
|
|
||||||
};
|
};
|
||||||
|
|
||||||
struct VLChordModifier {
|
struct VLChordModifier {
|
||||||
|
|
@ -223,15 +221,6 @@ struct VLProperties {
|
||||||
int8_t fKey; // Circle of fifths from C, >0 sharps, <0 flats
|
int8_t fKey; // Circle of fifths from C, >0 sharps, <0 flats
|
||||||
int8_t fMode; // 1 = major -1 = minor
|
int8_t fMode; // 1 = major -1 = minor
|
||||||
int8_t fDivisions; // Number of divisions per quarter note
|
int8_t fDivisions; // Number of divisions per quarter note
|
||||||
|
|
||||||
//
|
|
||||||
// Subdivide a note and adjust for swing
|
|
||||||
//
|
|
||||||
void PartialNote(VLFraction at, VLFraction totalDuration, bool grouped, VLFraction * noteDuration) const;
|
|
||||||
//
|
|
||||||
// Determine visual representation of note head
|
|
||||||
//
|
|
||||||
void VisualNote(VLFraction at, VLFraction actualDur, bool prevTriplet, VLFraction *visualDur, bool * triplet) const;
|
|
||||||
|
|
||||||
bool operator==(const VLProperties & other)
|
bool operator==(const VLProperties & other)
|
||||||
{ return fTime == other.fTime && fKey == other.fKey && fMode == other.fMode
|
{ return fTime == other.fTime && fKey == other.fKey && fMode == other.fMode
|
||||||
|
|
@ -256,9 +245,6 @@ struct VLMeasure {
|
||||||
|
|
||||||
VLMeasure();
|
VLMeasure();
|
||||||
|
|
||||||
void MMANotes(std::string & notes, const VLProperties & prop, VLFraction extra) const;
|
|
||||||
void MMAChords(std::string & chords, const VLProperties & prop, bool initial) const;
|
|
||||||
|
|
||||||
bool IsEmpty() const;
|
bool IsEmpty() const;
|
||||||
bool NoChords() const;
|
bool NoChords() const;
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue
Block a user