musiccutter: musiccutter.py annotate

annotate musiccutter.py @ 16:20337b22977d

Add left margin and slot size support.

author	Daniel O'Connor <darius@dons.net.au>
date	Thu, 14 Apr 2016 09:48:08 +0930
parents	43b5d8d62df6
children	c50427f1da2d

rev	line source
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	1 #!/usr/bin/env python
0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	2
0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	3 import exceptions
4 9f4fa5f231e6 Rework to use mido iterator and paginate. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	4 import itertools
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	5 import math
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	6 import mido
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	7 import os
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	8 import reportlab.lib.colors
12 6e46ceee57a7 Use correct MIDI note generation, previous version did not agree with Daniel O'Connor <darius@dons.net.au> parents: 11 diff changeset	9 import reportlab.pdfgen.canvas
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	10 from reportlab.lib.units import mm
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	11 import sys
0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	12
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	13 CUT_COLOUR = reportlab.lib.colors.red
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	14 ENGRAVE_COLOUR = reportlab.lib.colors.black
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	15
3 49a33c431b45 Accept filename for test function Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	16 def test(filename = None):
49a33c431b45 Accept filename for test function Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	17 if filename == None:
49a33c431b45 Accept filename for test function Daniel O'Connor <darius@dons.net.au> parents: 2 diff changeset	18 filename = 'test.midi'
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	19 # Card layout from http://www.orgues-de-barbarie.com/wp-content/uploads/2014/09/format-cartons.pdf
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	20 m = Midi2PDF('notes', 200, 155, 5.5, 3.0, 6.0, 20, 10, 'Helvetica', 12)
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	21 base, ext = os.path.splitext(filename)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	22 m.processMidi(filename, base + '-%02d.pdf')
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	23
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	24 class Midi2PDF(object):
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	25 def __init__(self, notefile, pagewidth, pageheight, pitch, slotsize, offset, lmargin, timescale, fontname, fontsize):
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	26 self.midi2note, self.note2midi = Midi2PDF.genmidi2note()
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	27 self.note2slot, self.slot2note = Midi2PDF.loadnote2slot(notefile, self.note2midi)
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	28 self.pagewidth = pagewidth # Dimensions are in millimetres
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	29 self.pageheight = pageheight
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	30 self.pitch = pitch # Distance between each slot
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	31 self.slotsize = slotsize # Size of each slot cut out
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	32 self.offset = offset # Bottom margin
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	33 self.lmargin = lmargin # Left margin
20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	34 self.timescale = timescale # Width per second
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	35 self.fontname = fontname
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	36 self.fontsize = fontsize # Points
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	37
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	38 def processMidi(self, midifile, outpat):
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	39 playablecount = 0
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	40 unplayablecount = 0
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	41 midi = mido.MidiFile(midifile)
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	42 ctime = 0
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	43 channels = []
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	44 for i in range(16):
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	45 channels.append({})
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	46
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	47 npages = int(math.ceil(((midi.length * self.timescale) + self.lmargin) / self.pagewidth))
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	48 print 'npages', npages
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	49 pdfs = []
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	50 for i in range(npages):
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	51 pdf = reportlab.pdfgen.canvas.Canvas(file(outpat % (i + 1), 'w'), pagesize = (self.pagewidth * mm, self.pageheight * mm))
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	52 pdfs.append(pdf)
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	53
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	54 title = midifile
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	55 for ev in midi:
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	56 if ev.type == 'text' and ctime == 0:
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	57 title = ev.text
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	58
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	59 ctime += ev.time
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	60 if ev.type == 'note_on' or ev.type == 'note_off':
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	61 note = self.midi2note[ev.note]
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	62 #print ctime, ev
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	63 if ev.type == 'note_on' and ev.velocity > 0:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	64 if ev.note in channels[ev.channel]:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	65 print 'Duplicate note_on message %d (%s)' % (ev.note, note)
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	66 else:
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	67 channels[ev.channel][ev.note] = ctime
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	68 elif ev.type == 'note_off' or (ev.type == 'note_on' and ev.velocity == 0):
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	69 if ev.note not in channels[ev.channel]:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	70 print 'note_off with no corresponding note_on for channel %d note %d' % (ev.channel, ev.note)
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	71 else:
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	72 if note not in self.note2slot:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	73 print 'Skipping unplayable note %s' % (note)
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	74 unplayablecount += 1
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	75 else:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	76 start = channels[ev.channel][ev.note]
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	77 notelen = ctime - start
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	78 slot = self.note2slot[note]
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	79 print 'Note %s (%d) at %.2f length %.2f' % (note, slot, start, notelen)
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	80 self.emitnote(pdfs, slot, start, notelen)
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	81 playablecount += 1
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	82 del channels[ev.channel][ev.note]
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	83 elif ev.type == 'end_of_track':
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	84 print 'EOT, not flushing, check for missed notes'
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	85 for chan in channels:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	86 for ev in chan:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	87 print ev
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	88
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	89 print 'Playable count:', playablecount
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	90 print 'Unplayable count:', unplayablecount
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	91
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	92 for i in range(len(pdfs)):
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	93 pdf = pdfs[i]
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	94 # Add title and page number
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	95 tobj = pdf.beginText()
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	96 tobj.setTextOrigin(50 * mm, 1 * mm)
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	97 tobj.setFont(self.fontname, self.fontsize)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	98 tobj.setFillColor(ENGRAVE_COLOUR)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	99 tobj.setStrokeColor(ENGRAVE_COLOUR)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	100 tobj.textLine('%s (%d / %d)' % (title, i + 1, npages))
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	101 pdf.drawText(tobj)
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	102
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	103 # Draw rect around page
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	104 pdf.saveState()
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	105 pdf.setLineWidth(0)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	106 #pdf.rect(0, 0, self.pagewidth * mm, self.pageheight * mm, fill = False, stroke = True)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	107 # Draw lines per note
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	108 for slot in sorted(self.slot2note.keys()):
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	109 ofs = (self.offset + slot * self.pitch) * mm
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	110 pdf.line(0, ofs, self.pagewidth * mm, ofs)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	111 # Note name
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	112 tobj = pdf.beginText()
14 43b5d8d62df6 Just stroke the note names to make things faster. Daniel O'Connor <darius@dons.net.au> parents: 13 diff changeset	113 tobj.setTextRenderMode(1)
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	114 tobj.setTextOrigin(0 * mm, ofs + 1 * mm)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	115 tobj.setFont(self.fontname, self.fontsize)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	116 tobj.setFillColor(ENGRAVE_COLOUR)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	117 tobj.setStrokeColor(ENGRAVE_COLOUR)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	118 tobj.textLine('%s' % (self.slot2note[slot]))
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	119 pdf.drawText(tobj)
5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	120 pdf.restoreState()
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	121 pdf.save()
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	122
12 6e46ceee57a7 Use correct MIDI note generation, previous version did not agree with Daniel O'Connor <darius@dons.net.au> parents: 11 diff changeset	123 # 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	124 @staticmethod
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	125 def genmidi2note():
12 6e46ceee57a7 Use correct MIDI note generation, previous version did not agree with Daniel O'Connor <darius@dons.net.au> parents: 11 diff changeset	126 '''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	127 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	128 midi2note = {}
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	129 note2midi = {}
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	130 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	131 octave = midi / len(names) - 1
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	132 index = midi % len(names)
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	133 name = names[index] % (octave)
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	134 midi2note[midi] = name
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	135 note2midi[name] = midi
4 9f4fa5f231e6 Rework to use mido iterator and paginate. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	136
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	137 return midi2note, note2midi
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	138
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	139 @staticmethod
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	140 def loadnote2slot(fname, note2midi):
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	141 note2slot = {}
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	142 slot2note = {}
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	143 index = 0
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	144
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	145 for note in file(fname):
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	146 note = note.strip()
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	147 if note[0] == '#':
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	148 continue
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	149 if note not in note2midi:
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	150 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	151 note2slot[note] = index
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	152 slot2note[index] = note
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	153 index += 1
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	154
13 5f4c21bb5140 Add lines and notes engraved on the paper. Daniel O'Connor <darius@dons.net.au> parents: 12 diff changeset	155 return note2slot, slot2note
4 9f4fa5f231e6 Rework to use mido iterator and paginate. Daniel O'Connor <darius@dons.net.au> parents: 3 diff changeset	156
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	157 def emitnote(self, pdfs, slot, start, notelen):
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	158 x = start * self.timescale + self.lmargin
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	159 pageidx = int(x / self.pagewidth)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	160 x = x % self.pagewidth
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	161 y = self.offset + slot * self.pitch + (self.pitch - self.slotsize) / 2
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	162 w = notelen * self.timescale
16 20337b22977d Add left margin and slot size support. Daniel O'Connor <darius@dons.net.au> parents: 14 diff changeset	163 h = self.slotsize
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	164
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	165 print 'page = %d x = %.3f y = %.3f w = %.3f h = %.3f' % (pageidx, x, y, w, h)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	166 w1 = w
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	167 # Check if the note crosses a page
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	168 if x + w > self.pagewidth:
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	169 w1 = x - self.pagewidth # Crop first note
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	170 w2 = w - w1
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	171 assert w1 <= self.pagewidth, 'note extends for more than a page'
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	172 # Emit second half of note
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	173 print 'split note, page %d w2 = %.3f' % (pageidx + 1, w2)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	174 Midi2PDF._emitnote(pdfs[pageidx + 1], 0, y, w2, h)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	175
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	176 Midi2PDF._emitnote(pdfs[pageidx], x, y, w1, h)
7 31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	177
31db42ce72b8 Rework to be class-y Daniel O'Connor <darius@dons.net.au> parents: 5 diff changeset	178 @staticmethod
11 9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	179 def _emitnote(pdf, x, y, w, h):
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	180 pdf.saveState()
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	181 pdf.setStrokeColor(CUT_COLOUR)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	182 pdf.setLineWidth(0)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	183 pdf.rect(x * mm, y * mm, w * mm, h * mm, fill = False, stroke = True)
9faad813e39e switch to PDF to avoid dealing with CorelDraw crashing Daniel O'Connor <darius@dons.net.au> parents: 9 diff changeset	184 pdf.restoreState()
0 0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	185
0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	186 if __name__ == '__main__':
0773354c7428 Initial commit, WIP. Daniel O'Connor <darius@dons.net.au> parents: diff changeset	187 main()

Mercurial > ~darius > hgwebdir.cgi > musiccutter

annotate musiccutter.py @ 16:20337b22977d