Writes a tab style score for guitar players, the music is encoded in a tree structure.
Python, 272 lines
Download
Copy to clipboard1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 | # writes tab scores for guitar
from winsound import *
from time import *
from Tkinter import *
nScaleFactor = 1.05946309436 # exp(log(2) / 12) # even temper diatonic
aListType = [1,2,3] # for type testing
nBarsPerLine = 4
lBeep = True # If true it will play through the built in speaker.
# otherwise it will search for associated wav files
# One file per note needed
cSoundsFolder = 'Guitar/'
class TabNote:
def __init__(self, nS, nF, nP, cFile):
self.nString = nS
self.nFret = nF
self.nScalePos = nP
self.nTone = int(440 * nScaleFactor ** (nP - 6)) # concert pitch
self.lPause = False
self.cSound = cSoundsFolder + cFile # wav file
def play(self, nI):
if lBeep:
Beep(self.nTone, nI) # milliseconds
else:
nStartTime = time()
PlaySound(self.cSound, SND_FILENAME + SND_ASYNC)
sleep(nI + nStartTime - time()) # seconds
def drawNote(self, canvas, nStart, aLines):
canvas.create_rectangle(nStart - 5, aLines[self.nString - 1] - 5, nStart + 5, aLines[self.nString - 1] + 5, width = 0,fill = 'white')
canvas.create_text(nStart, aLines[self.nString - 1], text = str(self.nFret))
class TabPause:
def __init__(self, nS, nF, nP, cFile):
self.nString = nS
self.nFret = nF
self.nScalePos = nP
self.lPause = True
self.nTone = 37
self.cSound = cSoundsFolder + cFile
def play(self, nI):
if lBeep:
sleep(nI / 1000) # milliseconds
else:
nStartTime = time()
PlaySound(self.cSound, SND_FILENAME + SND_ASYNC)
sleep(nI + nStartTime - time()) # seconds
def drawNote(self, canvas, nStart, aLines):
pass
def PlayNote(aB, nI):
nDelta = 0
if isinstance(aB, type(aListType)):
for i in aB:
nTime = time()
PlayNote(i, nI / len(aB) - nDelta)
nSpent = time() - nTime
nDelta = nSpent - nI / len(aB) # catchup if going too slowly
if nDelta < 0:
nDelta = 0
else:
aB.play(nI)
def PlayTune(aBars):
nDelta = 0
if lBeep:
nDuration = 1300 # beeps are in milliseconds
else:
nDuration = 1.5 # seconds per bar
for aB in aBars:
nTime = time()
PlayNote(aB, nDuration -nDelta)
nSpent = time() - nTime
nDelta = nSpent - nDuration # catchup if going too slowly
if nDelta < 0:
nDelta = 0
def DrawLines(canvas, nUp, nW, nLineH, nLineNo):
nStartX = nW * 0.1
nStopX = nW * 0.9
nLineUp = nLineH * 0.75 / 6 # six strings
nStartY = nUp + nLineUp
nStopY = nUp + 6 * nLineUp
nXStep = (nStopX - nStartX) / nBarsPerLine
aLineBox = []
aBarBox = []
for i in range(6):
canvas.create_line(nStartX, nUp + i * nLineUp + nLineUp, nStopX, nUp + i * nLineUp + nLineUp)
aLineBox.append( nUp + i * nLineUp + nLineUp)
for i in range(nBarsPerLine + 1):
canvas.create_line(nStartX + i * nXStep, nStartY, nStartX + i * nXStep, nStopY)
aBarBox.append([nStartX + i * nXStep, nXStep])
canvas.create_text(nStartX - 20,nUp + 1.5 * nLineUp, text = "T", font = ('Courier', 14,'bold'))
canvas.create_text(nStartX - 20,nUp + 3.5 * nLineUp, text = "A", font = ('Courier', 14,'bold'))
canvas.create_text(nStartX - 20,nUp + 5.5 * nLineUp, text = "B", font = ('Courier', 14,'bold'))
if nLineNo == 0: # time signature
canvas.create_text(nStartX - 10, nUp + 2.5 * nLineUp, text = "2", font = ('Courier', 14,'bold'))
canvas.create_text(nStartX - 10, nUp + 4.5 * nLineUp, text = "4", font = ('Courier', 14,'bold'))
return [aLineBox, aBarBox]
def PlaceNote(canvas, aB, nI, nStart, aLines):
if isinstance(aB, type(aListType)):
for i in aB:
PlaceNote(canvas, i, nI / len(aB), nStart, aLines)
nStart += nI / len(aB)
else:
aB.drawNote(canvas, nStart, aLines)
def PlaceParts(canvas, aPart, aBoxes):
nBarStep = 0
for i in aBoxes:
aLines = i[0]
for j in range(nBarsPerLine):
if len(aPart) <= nBarStep:
return
aB = aPart[nBarStep]
nBarStep = nBarStep + 1
nDuration = i[ 1][ j][ 1] * 0.95
nStart = i[1][ j][ 0] + nDuration * 0.1
for k in aB:
PlaceNote(canvas, k, nDuration/ len(aB), nStart, aLines)
nStart += nDuration/ len(aB)
# EADGBE tuning
dl = 0 # not needed here
dls = 0 # not needed here
p = TabPause(0,0,1,'Pause.wav') # pause
el = TabNote(6,0,1,'Elow.wav') # E low
fl = TabNote(6,1,2,'Flow.wav')
fls = TabNote(6,2,3,'FlowSharp.wav') # F low sharp
gl = TabNote(6,3,4,'Glow.wav')
gls = TabNote(6,4,5,'GlowSharp.wav')
al = TabNote(5,0,6,'Alow.wav')
blf = TabNote(5,1,7,'BlowFlat.wav') # B low flat
bl = TabNote(5,2,8,'Blow.wav')
cl = TabNote(5,3,9,'Clow.wav')
cls = TabNote(5,4,10,'ClowSharp.wav')
dm = TabNote(4,0,11,'Dmid.wav')
dms = TabNote(4,1,12,'DmidSharp.wav')
em = TabNote(4,2,13,'Emid.wav')
fm = TabNote(4,3,14,'Fmid.wav')
fms = TabNote(4,4,15,'FmidSharp.wav')
gm = TabNote(3,0,16,'Gmid.wav')
gms = TabNote(3,1,17,'GmidSharp.wav')
am = TabNote(3,2,18,'Amid.wav')
bmf = TabNote(3,3,19,'BmidFlat.wav')
bm = TabNote(2,0,20,'Bmid.wav')
bmAlt = TabNote(3,4,20,'Bmid.wav') # B middle Alternate fingering
cm = TabNote(2,1,21,'Cmid.wav')
cms = TabNote(2,2,22,'CmidSharp.wav')
d = TabNote(2,3,23,'D.wav')
ds = TabNote(2,4,24,'Dsharp.wav')
e = TabNote(1,0,25,'E.wav')
f = TabNote(1,1,26,'F.wav')
fs = TabNote(1,2,27,'FSharp.wav')
g = TabNote(1,3,28,'G.wav')
gs = TabNote(1,4,29,'GSharp.wav')
a = TabNote(1,5,30,'A.wav')
bf = TabNote(1,6,31,'BFlat.wav')
b = TabNote(1,7,32,'B.wav')
c = TabNote(1,8,33,'C.wav')
cs = TabNote(1,9,34,'CSharp.wav')
dh = TabNote(1,10,35,'Dhigh.wav')
dhs = TabNote(1,11,36,'DhighSharp.wav')
eh = TabNote(1,12,37,'Ehigh.wav') # E high
fh = TabNote(1,13,38,'Fhigh.wav')
fhs = TabNote(1,14,39,'FhighSharp.wav')
gh = TabNote(1,15,40,'Ghigh.wav')
ghs = TabNote(1,16,41,'gHighSharp.wav')
ah = TabNote(1,17,42,'Ahigh.wav')
bhf = TabNote(1,18,43,'BhignFlat.wav')
bh = TabNote(1,19,44,'Bhign.wav')
ch = TabNote(1,20,45,'Chigh.wav')
chs = TabNote(1,21,46,'ChignSharp.wav')
dd = TabNote(1,22,47,'DD.wav')
dds = TabNote(1,23,48,'DDsharp.wav')
aB1 = [[ el , e , el, fs] # First line Bar1 first part
,[ el , gm , el, am]] # second part
aB2 = [[ el , g , el, ds]
,[ el , bmf, el, am]]
aB3 = [[ el , e , el, fs]
,[ el , gm , el, am]]
aB4 = [[ el , g , el, ds]
,[ el , bmf, el, am]]
aB5 = [[ el ,[g,e] ,g , fs] # second line
,[ el ,bl ,el , al]]
aB6 = [[ds ,e ,[d,d], d] # << recursive tree structure
,[fls ,gl ,el , bl]]
aB7 = [[[cms,cms],cms ,[cm,cm], cm]
,[el ,blf ,el , al]]
aB8 = [[[bm,e] ,[cm,e],bm , p]
,[el ,al ,el ,[cl,bl]]]
aB9 = [[p ,[gm,em],gm ,fms]
,[blf ,al ]]
aB10 = [[cm ,bm ,[g,g], g]
,[gl ,em ,bmf , em]]
aB11 = [[[fs,fs] ,fs ,[e,e], e]
,[bl ,fms ,cls , fms]]
aB12 = [[[ds,fs] ,[e,fs] ,ds , p]
,[bl ,cl ,bl , [gl,fls]]]
aB13 = [[el ,[g,e] ,g ,fs]
,[el ,bm ,el ,am]]
aB14 = [[ds ,e ,[d,d] ,d]
,[fms ,gm ,em ,bmAlt]]
aB15 = [[[cms,cms],cms ,[cm,cm],cm]
,[em ,bmf ,em ,am]]
aB16 = [[[bm ,e] ,[cm,e],bm ,p]
,[em ,am ,em ,[em,dm]]]
aB17 = [[p , [e,cms] , e , ds]
,[cls , fms]]
aB18 = [[p , [d ,bm] , d , cms]
,[bl , el]]
aB19 = [[p , [cm,am] , cm , bm]
,[al , dm]]
aB20 = [[p , [dms,bm], em, p]
,[gl , fls , el, p]]
aFirstPart = [aB1[0],aB2[0],aB3[0],aB4[0],aB5[0],aB6[0],aB7[0],aB8[0],aB9[0]
,aB10[0],aB11[0],aB12[0],aB13[0],aB14[0],aB15[0],aB16[0],aB17[0]
,aB18[0],aB19[0],aB20[0]]
aSecondPart = [aB1[1],aB2[1],aB3[1],aB4[1],aB5[1],aB6[1],aB7[1],aB8[1],aB9[1]
,aB10[1],aB11[1],aB12[1],aB13[1],aB14[1],aB15[1],aB16[1],aB17[1]
,aB18[1],aB19[1],aB20[1]]
# Unfortunately I cant work out a way to play both parts together using Beep,
# unless you use two computers.
# However if you are using PlaySound
#,( you will also need the associated sound files)
# You can make a second copy of the program (rename it SugarSecondPart)
# to play the second part alongside the first
# The section of code below will syncronise the two parts.
if not(lBeep):
while (int(time()) % 10 == 0):
sleep(1)
t = int(time()) % 10
while t % 10 <> 0:
t = int(time())
print 'syncronising', t % 10
print 'Playing first part'
PlayTune(aFirstPart)
#sleep(2)
#print 'Playing second part'
#PlayTune(aSecondPart)
nW = 1400
nH = 800
canvas = Canvas( width = nW, height = nH, bg = 'white')
canvas.pack(expand = YES, fill = BOTH)
aBoxes = []
nW = nW * 0.75
nLines = (len(aFirstPart) + 0.0) / nBarsPerLine
if int(nLines) <> nLines:
nLines = int(nLines + 1)
nLineStep = nH * 0.8 / nLines # 5 lines
canvas.create_text( 300, 50, text = 'SugarPlumFairy', font = ('Arial', 20, 'bold'))
for i in range(nLines):
aBoxes.append(DrawLines(canvas, nLineStep * i + 100, nW, nLineStep * 0.75, i))
PlaceParts(canvas, aFirstPart, aBoxes)
PlaceParts(canvas, aSecondPart, aBoxes)
|
as well as writing the score the music is also played. Either as tones through the computers speaker or using winsound as a sequence of wav files. The folder of wav files would need to be in the same folder as the program.
