annotate musiccutter.py @ 37:c490fecec0ef

Have another crack at fixing transposition. Now searches down and up 3 octaves. Refactor a bunch of code.
author Daniel O'Connor <darius@dons.net.au>
date Mon, 23 May 2016 21:11:27 +0930
parents 6874140c9c11
children 9e8ed92b477c
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1 #!/usr/bin/env python
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3 from IPython.core.debugger import Tracer
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4 import exceptions
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5 import itertools
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6 import math
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7 import mido
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8 import os.path
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9 import reportlab.lib.colors
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10 import reportlab.pdfgen.canvas
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11 from reportlab.lib.units import mm
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12 import sys
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13
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14 CUT_COLOUR = reportlab.lib.colors.red
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15 ENGRAVE_COLOUR = reportlab.lib.colors.black
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17 class Stats(object):
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18 pass
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19
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20 class EVWrap(object):
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21 def __init__(self, ev):
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22 self.ev = ev
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23
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24 def test(filename = None, shift = 0):
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25 if filename == None:
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26 filename = 'test.midi'
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27 # Card layout from http://www.orgues-de-barbarie.com/wp-content/uploads/2014/09/format-cartons.pdf
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28 # Notes are read from right to left
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29 # Highest note is at the bottom (closest to the crank)
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30 # fold fold
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31 # in out
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32 # V ^
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33 # +---+---+---+ lowest note
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34 # | | | |
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35 # +---+---+---+ highest note
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36 #
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37 m = Midi2PDF('notes', 120, 155, 5.5, 3.3, 6.0, 50, False, True, False, False, False, shift, 1, 30, 0.9, 'Helvetica', 12)
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38 base, ext = os.path.splitext(filename)
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39 base = os.path.basename(base)
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40 m.processMidi(filename, base + '-%02d.pdf')
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41
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42 class Midi2PDF(object):
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43 def __init__(self, notefile, pagewidth, pageheight, pitch, slotsize, heel, leadin, timemarks, trytranspose, drawrect, notenames, notelines, noteoffset, pagesperpdf, timescale, notescale, fontname, fontsize):
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44 self.midi2note, self.note2midi = Midi2PDF.genmidi2note()
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45 self.note2slot, self.slot2note = Midi2PDF.loadnote2slot(notefile, self.note2midi)
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46 self.pagewidth = pagewidth # Dimensions are in millimetres
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47 self.pageheight = pageheight
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48 self.pitch = pitch # Distance between each slot
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49 self.slotsize = slotsize # Size of each slot cut out
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50 self.heel = heel # Bottom margin (from bottom of page to centre of slot)
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51 self.leadin = leadin # Extra at the start
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52 self.timemarks = timemarks # Draw vertical time lines
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53 self.trytranspose = trytranspose # Attempt to tranpose unplayable notes
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54 self.drawrect = drawrect # Draw rectangle around each page
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55 self.notenames = notenames # Draw note names on the right edge
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56 self.notelines = notelines # Draw line rulers
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57 self.noteoffset = noteoffset # Amount to adjust note pitches by (+12 = 1 octave)
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58 self.pagesperpdf = pagesperpdf # Number of pages to emit per PDF
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59 self.timescale = timescale # Width per second
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60 self.notescale = notescale # Multiply all note lengths by this (to get rearticulation)
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61 self.fontname = fontname
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62 self.fontsize = fontsize # Points
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63
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64 self.pdfwidth = self.pagewidth * self.pagesperpdf
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65
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66 def processMidi(self, midifile, outpat):
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67 stats = Stats()
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68 stats.playablecount = 0
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69 stats.unplayablecount = 0
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70 stats.transposeupcount = 0
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71 stats.transposedowncount = 0
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72 midi = mido.MidiFile(midifile)
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73 ctime = 0
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74 channels = []
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75 for i in range(16):
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76 channels.append({})
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77
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78 npages = int(math.ceil(((midi.length * self.timescale) + self.leadin) / self.pagewidth))
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79 npdfs = int(math.ceil(float(npages) / self.pagesperpdf))
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80 print 'npages %d, npdfs %d' % (npages, npdfs)
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81
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82 pdfs = []
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83 for i in range(npdfs):
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84 pdf = reportlab.pdfgen.canvas.Canvas(file(outpat % (i + 1), 'w'),
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85 pagesize = (self.pdfwidth * mm, self.pageheight * mm))
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86 pdfs.append(pdf)
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87
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88 title = os.path.basename(midifile)
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89 title, ext = os.path.splitext(title)
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90 for ev in midi:
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91 evw = EVWrap(ev)
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92 # Find a slot (plus adjust pitch, attempt transposition etc)
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93 if hasattr(evw.ev, 'note'):
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94 self.getslotfornote(evw, stats, ctime)
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95 # Check if it was unplayable
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96 if not evw.slot:
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97 continue
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98 if evw.ev.type == 'text' and ctime == 0:
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99 title = evw.ev.text
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100
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101 ctime += evw.ev.time
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102 #print ctime, evw.ev
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103 if evw.ev.type == 'note_on' and evw.ev.velocity > 0:
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104 if evw.ev.note in channels[evw.ev.channel]:
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105 print 'Duplicate note_on message %d (%s)' % (evw.ev.note, evw.notename)
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106 else:
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107 channels[evw.ev.channel][evw.ev.note] = ctime
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108 elif evw.ev.type == 'note_off' or (evw.ev.type == 'note_on' and evw.ev.velocity == 0):
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109 if evw.ev.note not in channels[evw.ev.channel]:
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110 print 'note_off with no corresponding note_on for channel %d note %d' % (evw.ev.channel, evw.ev.note)
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111 else:
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112 start = channels[evw.ev.channel][evw.ev.note]
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113 notelen = ctime - start
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114 #print 'Note %s (%d) at %.2f length %.2f' % (evw.notename, evw.ev.slot, start, notelen)
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115 self.emitnote(pdfs, evw.slot, start, notelen * self.notescale)
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116
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117 del channels[evw.ev.channel][evw.ev.note]
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118 elif evw.ev.type == 'end_of_track':
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119 print 'EOT, not flushing, check for missed notes'
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120 for chan in channels:
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121 for evw.ev in chan:
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122 print evw.ev
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123
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124 print 'Playable count:', stats.playablecount
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125 print 'Unplayable count:', stats.unplayablecount
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126 if self.trytranspose:
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127 print 'Transpose down:', stats.transposedowncount
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128 print 'Transpose up:', stats.transposeupcount
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129
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130 for pindx in range(npages):
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131 pdf = pdfs[pindx / self.pagesperpdf] # PDF for this page
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132 # Offset into PDF where the page starts
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Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
133 pageofs = self.pagewidth * (self.pagesperpdf - (pindx % self.pagesperpdf) - 1)
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
134 # Add title and page number
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
135 Midi2PDF.textHelper(pdf, pageofs * mm, 1 * mm,
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
136 ENGRAVE_COLOUR, True, self.fontname, self.fontsize,
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
137 '%s (%d / %d)' % (title, pindx + 1, npages))
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
138 pdf.saveState()
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
139 pdf.setLineWidth(0)
17
c50427f1da2d - Draw vertical time lines.
Daniel O'Connor <darius@dons.net.au>
parents: 16
diff changeset
140
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
141 # Draw time marks every 5 seconds
19
ffaf97818ce3 - Music needs to run right to left.
Daniel O'Connor <darius@dons.net.au>
parents: 18
diff changeset
142 if self.timemarks:
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
143 pdfidx = pindx / self.pagesperpdf
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
144 # Work out start and end times (pdf 1 is special due to leadin)
19
ffaf97818ce3 - Music needs to run right to left.
Daniel O'Connor <darius@dons.net.au>
parents: 18
diff changeset
145 tstart = self.leadin / self.timescale
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
146 tend = (self.pagewidth * self.pagesperpdf) / self.timescale
18
cf93a76eda92 The laser cutter software barfs on these lines and stops processing
Daniel O'Connor <darius@dons.net.au>
parents: 17
diff changeset
147 if pindx > 0:
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
148 tsize = self.pagewidth / self.timescale # Amount of time per pdf
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
149 tstart = tend + tsize * pdfidx
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
150 tend = tend + tsize * (pdfidx + 1)
18
cf93a76eda92 The laser cutter software barfs on these lines and stops processing
Daniel O'Connor <darius@dons.net.au>
parents: 17
diff changeset
151 for s in range(tstart, tend, 5):
19
ffaf97818ce3 - Music needs to run right to left.
Daniel O'Connor <darius@dons.net.au>
parents: 18
diff changeset
152 x = self.pagewidth - (float(s * self.timescale + self.leadin) % self.pagewidth)
24
71b78f06ff03 Highest notes are at the bottom not the top.
Daniel O'Connor <darius@dons.net.au>
parents: 23
diff changeset
153 pdf.line(x * mm, self.heel, x * mm, self.pageheight * mm)
18
cf93a76eda92 The laser cutter software barfs on these lines and stops processing
Daniel O'Connor <darius@dons.net.au>
parents: 17
diff changeset
154 Midi2PDF.textHelper(pdf, x * mm, 1 * mm, ENGRAVE_COLOUR, False, self.fontname, self.fontsize, str(s) + 's')
cf93a76eda92 The laser cutter software barfs on these lines and stops processing
Daniel O'Connor <darius@dons.net.au>
parents: 17
diff changeset
155
25
ce367392806c comment tweaks
Daniel O'Connor <darius@dons.net.au>
parents: 24
diff changeset
156 # Draw rectangle around page (upper and right hand ends don't seem to render though)
19
ffaf97818ce3 - Music needs to run right to left.
Daniel O'Connor <darius@dons.net.au>
parents: 18
diff changeset
157 if self.drawrect:
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
158 pdf.rect((pindx % self.pagesperpdf) * self.pagewidth * mm, 0,
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
159 self.pagewidth * mm, self.pageheight * mm, fill = False, stroke = True)
18
cf93a76eda92 The laser cutter software barfs on these lines and stops processing
Daniel O'Connor <darius@dons.net.au>
parents: 17
diff changeset
160
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
161 # Draw lines per note
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
162 for slot in sorted(self.slot2note.keys()):
26
f492b70f5e49 Fix notename/line drawing.
Daniel O'Connor <darius@dons.net.au>
parents: 25
diff changeset
163 ofs = self.pageheight - (self.heel + slot * self.pitch) - self.slotsize / 2
20
9bb72ae63651 - Make various things optional.
Daniel O'Connor <darius@dons.net.au>
parents: 19
diff changeset
164 if self.notelines:
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
165 pdf.line(0, ofs * mm, self.pdfwidth * mm, ofs * mm)
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
166 # Note name
20
9bb72ae63651 - Make various things optional.
Daniel O'Connor <darius@dons.net.au>
parents: 19
diff changeset
167 if self.notenames:
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
168 Midi2PDF.textHelper(pdf, (self.pdfwidth - 10) * mm, (ofs + 0.5) * mm, ENGRAVE_COLOUR, False, self.fontname, self.fontsize, self.slot2note[slot])
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
169 pdf.restoreState()
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
170 for pdf in pdfs:
26
f492b70f5e49 Fix notename/line drawing.
Daniel O'Connor <darius@dons.net.au>
parents: 25
diff changeset
171 pdf.save()
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
172
37
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
173 def noteisplayable(self, midi):
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
174 slot = None
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
175 if midi in self.midi2note:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
176 notename = self.midi2note[midi]
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
177 if notename in self.note2slot:
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
178 slot = self.note2slot[notename]
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
179
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
180 return slot
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
181
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
182 def transposenote(self, evw, amount):
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
183 evw.ev.note += amount
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
184 evw.notename = self.midi2note[evw.ev.note]
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
185 evw.slot = self.note2slot[evw.notename]
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
186
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
187 def getslotfornote(self, evw, stats, ctime):
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
188 evw.slot = None
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
189 evw.notename = None
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
190
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
191 evw.ev.note += self.noteoffset
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
192
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
193 # First off, is the note in our midi table?
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
194 if evw.ev.note in self.midi2note:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
195 evw.notename = self.midi2note[evw.ev.note]
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
196 # Is it playable?
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Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
197 if self.noteisplayable(evw.ev.note) != None:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
198 evw.slot = self.note2slot[evw.notename]
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
199 # Nope, maybe we can transpose?
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
200 elif self.trytranspose:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
201 # Go for -3 to +3 octaves (going down first)
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
202 for i in [-12, -24, -36, 12, 24, 36]:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
203 if self.noteisplayable(evw.ev.note + i) != None:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
204 self.transposenote(evw, i)
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
205 if i < 0:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
206 stats.transposedowncount += 1
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
207 tmp = 'down'
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
208 else:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
209 stats.transposeupcount += 1
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
210 tmp = 'up'
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
211 print 'Transposed note at %.1f sec %s (%d) %s %d octave(s) to %s (%d)' % (
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
212 ctime, self.midi2note[evw.ev.note - i], evw.ev.note - i, tmp,
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
213 abs(i / 12), evw.notename, evw.ev.note)
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
214 break
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
215 if evw.slot != None:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
216 stats.playablecount += 1
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
217 else:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
218 print 'Note at %.1f sec %d (%s) not playable' % (ctime, evw.ev.note, self.midi2note[evw.ev.note])
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
219 stats.unplayablecount += 1
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
220 else:
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
221 print 'Note at %.1f sec %d not in MIDI table' % (ctime, evw.ev.note)
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
222 stats.unplayablecount += 1
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
223
12
6e46ceee57a7 Use correct MIDI note generation, previous version did not agree with
Daniel O'Connor <darius@dons.net.au>
parents: 11
diff changeset
224 # http://newt.phys.unsw.edu.au/jw/notes.html
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
225 @staticmethod
27
87cf66e04ef9 Handle offsetting note pitch in a better way.
Daniel O'Connor <darius@dons.net.au>
parents: 26
diff changeset
226 def genmidi2note():
87cf66e04ef9 Handle offsetting note pitch in a better way.
Daniel O'Connor <darius@dons.net.au>
parents: 26
diff changeset
227 '''Create forward & reverse tables for midi number to note name (assuming 69 = A4 = A440)'''
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
228 names = ['C%d', 'C%d#', 'D%d', 'D%d#', 'E%d', 'F%d', 'F%d#', 'G%d', 'G%d#', 'A%d', 'A%d#', 'B%d']
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
229 midi2note = {}
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
230 note2midi = {}
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
231 for midi in range(21, 128):
12
6e46ceee57a7 Use correct MIDI note generation, previous version did not agree with
Daniel O'Connor <darius@dons.net.au>
parents: 11
diff changeset
232 octave = midi / len(names) - 1
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
233 index = midi % len(names)
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
234 name = names[index] % (octave)
27
87cf66e04ef9 Handle offsetting note pitch in a better way.
Daniel O'Connor <darius@dons.net.au>
parents: 26
diff changeset
235 midi2note[midi] = name
87cf66e04ef9 Handle offsetting note pitch in a better way.
Daniel O'Connor <darius@dons.net.au>
parents: 26
diff changeset
236 note2midi[name] = midi
4
9f4fa5f231e6 Rework to use mido iterator and paginate.
Daniel O'Connor <darius@dons.net.au>
parents: 3
diff changeset
237
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
238 return midi2note, note2midi
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
239
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
240 @staticmethod
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
241 def loadnote2slot(fname, note2midi):
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
242 note2slot = {}
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
243 slot2note = {}
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
244 index = 0
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
245
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
246 for note in file(fname):
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
247 note = note.strip()
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
248 if note[0] == '#':
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
249 continue
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
250 if note not in note2midi:
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
251 raise exceptions.ValueError('Note \'%s\' not valid' % note)
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
252 note2slot[note] = index
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
253 slot2note[index] = note
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
254 index += 1
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
255
13
5f4c21bb5140 Add lines and notes engraved on the paper.
Daniel O'Connor <darius@dons.net.au>
parents: 12
diff changeset
256 return note2slot, slot2note
4
9f4fa5f231e6 Rework to use mido iterator and paginate.
Daniel O'Connor <darius@dons.net.au>
parents: 3
diff changeset
257
11
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing
Daniel O'Connor <darius@dons.net.au>
parents: 9
diff changeset
258 def emitnote(self, pdfs, slot, start, notelen):
19
ffaf97818ce3 - Music needs to run right to left.
Daniel O'Connor <darius@dons.net.au>
parents: 18
diff changeset
259 x = start * self.timescale + self.leadin # Convert start time to distance
31
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
260 pdfidx = int(x / self.pdfwidth) # Determine which pdf
ea98c9507f47 Preliminary multi-page support. Breaks time marks though.
Daniel O'Connor <darius@dons.net.au>
parents: 30
diff changeset
261 x = x % self.pdfwidth # and where on that pdf
16
20337b22977d Add left margin and slot size support.
Daniel O'Connor <darius@dons.net.au>
parents: 14
diff changeset
262 h = self.slotsize
24
71b78f06ff03 Highest notes are at the bottom not the top.
Daniel O'Connor <darius@dons.net.au>
parents: 23
diff changeset
263 y = self.pageheight - (self.heel + slot * self.pitch - self.slotsize / 2) - self.slotsize
19
ffaf97818ce3 - Music needs to run right to left.
Daniel O'Connor <darius@dons.net.au>
parents: 18
diff changeset
264 w = notelen * self.timescale # Convert note length in time to distance
7
31db42ce72b8 Rework to be class-y
Daniel O'Connor <darius@dons.net.au>
parents: 5
diff changeset
265
37
c490fecec0ef Have another crack at fixing transposition.
Daniel O'Connor <darius@dons.net.au>
parents: 36
diff changeset
266 #print 'pdf = %d x = %.3f y = %.3f w = %.3f h = %.3f' % (pdfidx, x, y, w, h)
11
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267 w1 = w
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268 # Check if the note crosses a pdf
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269 if x + w > self.pdfwidth:
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270 w1 = self.pdfwidth - x # Crop first note
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ffaf97818ce3 - Music needs to run right to left.
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271 w2 = w - w1 # Calculate length of second note
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272 assert w2 <= self.pdfwidth, 'note extends for more than a pdf'
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273 # Emit second half of note
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274 #print 'split note, pdf %d w2 = %.3f' % (pdfidx + 1, w2)
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275 Midi2PDF._emitnote(pdfs[pdfidx + 1], self.pdfwidth - w2, y, w2, h)
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276
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277 Midi2PDF._emitnote(pdfs[pdfidx], self.pdfwidth - x - w1, y, w1, h)
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31db42ce72b8 Rework to be class-y
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278
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279 @staticmethod
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280 def _emitnote(pdf, x, y, w, h):
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281 pdf.saveState()
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282 pdf.setStrokeColor(CUT_COLOUR)
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283 pdf.setLineWidth(0)
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284 pdf.rect(x * mm, y * mm, w * mm, h * mm, fill = False, stroke = True)
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285 pdf.restoreState()
0
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286
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287 @staticmethod
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288 def textHelper(pdf, x, y, colour, fill, fontname, fontsize, text):
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289 tobj = pdf.beginText()
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290 tobj.setTextOrigin(x, y)
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291 tobj.setFont(fontname, fontsize)
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292 tobj.setStrokeColor(colour)
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293 tobj.setFillColor(colour)
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294 if fill:
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295 tobj.setTextRenderMode(0)
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296 else:
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297 tobj.setTextRenderMode(1)
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298 tobj.textLine(text)
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299 pdf.drawText(tobj)
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300
0
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301 if __name__ == '__main__':
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302 main()