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import pygtk
pygtk.require( '2.0' )
import gtk
from SubActivity import SubActivity
import Config
from gettext import gettext as _
import sugar.graphics.style as style
from Jam.Desktop import Desktop
import Jam.Picker as Picker
import Jam.Block as Block
from Jam.Toolbars import DesktopToolbar
from Util.CSoundNote import CSoundNote
from Util.CSoundClient import new_csound_client
import Util.InstrumentDB as InstrumentDB
from Util import NoteDB
from Fillin import Fillin
from RythmGenerator import generator
from Generation.GenerationConstants import GenerationConstants
from Util.NoteDB import Note
from math import sqrt
class JamMain(SubActivity):
def __init__(self, activity, set_mode):
SubActivity.__init__(self, set_mode)
self.activity = activity
self.instrumentDB = InstrumentDB.getRef()
self.noteDB = NoteDB.NoteDB()
#-- initial settings ----------------------------------
self.tempo = Config.PLAYER_TEMPO
self.volume = 50
self.reverb = 0
self.csnd = new_csound_client()
for i in range(1,9):
self.csnd.setTrackVolume( 100, i )
self.csnd.setMasterVolume( self.volume )
self.csnd.setTempo( self.tempo )
#-- Drawing -------------------------------------------
def darken( colormap, hex ):
hexToDec = { "0":0, "1":1, "2":2, "3":3, "4":4, "5":5, "6":6, "7":7, "8":8, "9":9, "A":10, "B":11, "C":12, "D":13, "E":14, "F":15, "a":10, "b":11, "c":12, "d":13, "e":14, "f":15 }
r = int( 0.7*(16*hexToDec[hex[1]] + hexToDec[hex[2]]) )
g = int( 0.7*(16*hexToDec[hex[3]] + hexToDec[hex[4]]) )
b = int( 0.7*(16*hexToDec[hex[5]] + hexToDec[hex[6]]) )
return colormap.alloc_color( r*256, g*256, b*256 )
def lighten( colormap, hex ):
hexToDec = { "0":0, "1":1, "2":2, "3":3, "4":4, "5":5, "6":6, "7":7, "8":8, "9":9, "A":10, "B":11, "C":12, "D":13, "E":14, "F":15, "a":10, "b":11, "c":12, "d":13, "e":14, "f":15 }
r = 255 - int( 0.7*(255-(16*hexToDec[hex[1]] + hexToDec[hex[2]])) )
g = 255 - int( 0.7*(255-(16*hexToDec[hex[3]] + hexToDec[hex[4]])) )
b = 255 - int( 0.7*(255-(16*hexToDec[hex[5]] + hexToDec[hex[6]])) )
return colormap.alloc_color( r*256, g*256, b*256 )
win = gtk.gdk.get_default_root_window()
self.gc = gtk.gdk.GC( win )
colormap = gtk.gdk.colormap_get_system()
self.colors = { "bg": colormap.alloc_color( Config.PANEL_BCK_COLOR ),
"Picker_Bg": colormap.alloc_color( "#404040" ),
"Picker_Bg_Inactive": colormap.alloc_color( "#808080" ),
#"Picker_Bg": colormap.alloc_color( style.COLOR_TOOLBAR_GREY.get_html() ),
#"Picker_Bg_Inactive": colormap.alloc_color( style.COLOR_BUTTON_GREY.get_html() ),
"Picker_Fg": colormap.alloc_color( style.COLOR_WHITE.get_html() ),
"Border_Active": colormap.alloc_color( "#590000" ),
"Border_Inactive": colormap.alloc_color( "#8D8D8D" ),
"Border_Highlight": colormap.alloc_color( "#FFFFFF" ),
"Bg_Active": colormap.alloc_color( "#FFDDEA" ),
"Bg_Inactive": colormap.alloc_color( "#DBDBDB" ),
"Note_Fill_Active": lighten( colormap, "#590000" ), # base "Border_Active"
"Note_Fill_Inactive": lighten( colormap, "#8D8D8D" ) } # base "Border_Inactive"
self.colors[ "Note_Border_Active"] = self.colors["Border_Active"]
self.colors[ "Note_Border_Inactive"] = self.colors["Border_Inactive"]
if True: # load block clipmask
pix = gtk.gdk.pixbuf_new_from_file(Config.IMAGE_ROOT+'jam-blockMask.png')
pixels = pix.get_pixels()
stride = pix.get_rowstride()
channels = pix.get_n_channels()
bitmap = ""
byte = 0
shift = 0
for j in range(pix.get_height()):
offset = stride*j
for i in range(pix.get_width()):
r = pixels[i*channels+offset]
if r != "\0": byte += 1 << shift
shift += 1
if shift > 7:
bitmap += "%c" % byte
byte = 0
shift = 0
if shift > 0:
bitmap += "%c" % byte
byte = 0
shift = 0
self.blockMask = gtk.gdk.bitmap_create_from_data( None, bitmap, pix.get_width(), pix.get_height() )
self.sampleNoteHeight = 7
if True: # load sample note clipmask
pix = gtk.gdk.pixbuf_new_from_file(Config.IMAGE_ROOT+'sampleNoteMask.png')
pixels = pix.get_pixels()
stride = pix.get_rowstride()
channels = pix.get_n_channels()
bitmap = ""
byte = 0
shift = 0
for j in range(pix.get_height()):
offset = stride*j
for i in range(pix.get_width()):
r = pixels[i*channels+offset]
if r != "\0": byte += 1 << shift
shift += 1
if shift > 7:
bitmap += "%c" % byte
byte = 0
shift = 0
if shift > 0:
bitmap += "%c" % byte
byte = 0
shift = 0
self.sampleNoteMask = gtk.gdk.bitmap_create_from_data( None, bitmap, pix.get_width(), pix.get_height() )
self.sampleNoteMask.endOffset = pix.get_width()-3
self.loopPitchOffset = 4
self.loopTickOffset = 13
self.pitchPerPixel = float(Config.NUMBER_OF_POSSIBLE_PITCHES-1) / (Block.Loop.HEIGHT - 2*self.loopPitchOffset - self.sampleNoteHeight)
self.pixelsPerPitch = float(Block.Loop.HEIGHT - 2*self.loopPitchOffset - self.sampleNoteHeight)/(Config.MAXIMUM_PITCH - Config.MINIMUM_PITCH)
self.pixelsPerTick = Block.Loop.BEAT/float(Config.TICKS_PER_BEAT)
self.ticksPerPixel = 1.0/self.pixelsPerTick
#-- Instrument Images ---------------------------------
self.instrumentImage = {}
self.instrumentImageActive = {}
for inst in self.instrumentDB.getSet( "All" ):
self.prepareInstrumentImage( inst.id, inst.img )
#-- Loop Images ---------------------------------------
self.loopImage = {} # get filled in through updateLoopImage
self.loopImageActive = {} #
#-- Toolbars ------------------------------------------
self.desktopToolbar = DesktopToolbar( self )
self.activity.toolbox.add_toolbar( _("Desktop"), self.desktopToolbar )
#-- GUI -----------------------------------------------
if True: # GUI
self.modify_bg( gtk.STATE_NORMAL, self.colors["bg"] ) # window bg
self.GUI = {}
self.GUI["mainVBox"] = gtk.VBox()
self.add( self.GUI["mainVBox"] )
#-- Desktop -------------------------------------------
self.desktop = self.GUI["desktop"] = Desktop( self )
self.GUI["mainVBox"].pack_start( self.GUI["desktop"] )
#-- Bank ----------------------------------------------
separator = gtk.Label( " " )
separator.set_size_request( -1, style.TOOLBOX_SEPARATOR_HEIGHT )
self.GUI["mainVBox"].pack_start( separator, False )
self.GUI["notebook"] = gtk.Notebook()
self.GUI["notebook"].set_scrollable( True )
self.GUI["notebook"].modify_bg( gtk.STATE_NORMAL, self.colors["Picker_Bg"] ) # active tab
self.GUI["notebook"].modify_bg( gtk.STATE_ACTIVE, self.colors["Picker_Bg_Inactive"] ) # inactive tab
self.GUI["notebook"].props.tab_vborder = style.TOOLBOX_TAB_VBORDER
self.GUI["notebook"].props.tab_hborder = style.TOOLBOX_TAB_HBORDER
self.GUI["notebook"].set_size_request( -1, 160 )
self.GUI["notebook"].connect( "switch-page", self.setPicker )
self.GUI["mainVBox"].pack_start( self.GUI["notebook"], False, False )
self.pickers = {}
self.pickerScroll = {}
for type in [ Picker.Instrument, Picker.Drum, Picker.Loop ]:
self.pickers[type] = type( self )
def prepareLabel( name ):
label = gtk.Label( _(name) )
label.set_alignment( 0.0, 0.5 )
label.modify_fg( gtk.STATE_NORMAL, self.colors["Picker_Fg"] )
label.modify_fg( gtk.STATE_ACTIVE, self.colors["Picker_Fg"] )
return label
self.GUI["notebook"].append_page( self.pickers[Picker.Drum], prepareLabel("Drum Kits") )
self.GUI["notebook"].append_page( self.pickers[Picker.Loop], prepareLabel("Loops") )
sets = self.instrumentDB.getLabels()[:]
sets.sort()
for set in sets:
page = gtk.HBox()
page.set = set
self.GUI["notebook"].append_page( page, prepareLabel( set ) )
self.show_all()
self.GUI["notebook"].set_current_page( 0 )
#-- Keyboard ------------------------------------------
self.key_dict = {}
self.nextTrack = 1
# default instrument
self._updateInstrument( Config.INSTRUMENTS["kalimba"].instrumentId, 0.5 )
#-- Drums ---------------------------------------------
# use dummy values for now
self.drumFillin = Fillin( 2, 100, Config.INSTRUMENTS["drum1kit"].instrumentId, self.reverb, 1 )
#==========================================================
# SubActivity Handlers
def onActivate( self, arg ):
pass
def onDeactivate( self ):
pass
def onDestroy( self ):
pass
#==========================================================
# Playback
def onKeyPress( self, widget, event ):
key = event.hardware_keycode
if self.key_dict.has_key( key ): # repeated press
return
if Config.KEY_MAP_PIANO.has_key( key ):
pitch = Config.KEY_MAP_PIANO[key]
inst = Config.INSTRUMENTS[self.instrument["name"]]
if inst.kit: # drum kit
if pitch in GenerationConstants.DRUMPITCH:
pitch = GenerationConstants.DRUMPITCH[pitch]
print inst.kit
self._playNote( key,
36,
self.instrument["amplitude"],
self.instrument["pan"],
100,
inst.kit[pitch].instrumentId,
self.instrument["reverb"] )
else:
if event.state == gtk.gdk.MOD1_MASK:
pitch += 5
if inst.csoundInstrumentId == Config.INST_PERC: #Percussions resonance
duration = 60
else:
duration = -1
self._playNote( key,
pitch,
self.instrument["amplitude"],
self.instrument["pan"],
duration,
self.instrument["id"],
self.instrument["reverb"] )
def onKeyRelease( self, widget, event ):
key = event.hardware_keycode
if self.key_dict.has_key( key ):
self._stopNote( key )
def _playNote( self, key, pitch, amplitude, pan, duration, instrumentId, reverb ):
self.key_dict[key] = CSoundNote( 0, # onset
pitch,
amplitude,
pan,
duration,
self.nextTrack,
instrumentId,
reverbSend = reverb,
tied = True,
mode = 'mini' )
self.nextTrack += 1
if self.nextTrack > 8:
self.nextTrack = 1
self.csnd.play(self.key_dict[key], 0.3)
def _stopNote( self, key ):
csnote = self.key_dict[key]
if Config.INSTRUMENTSID[ csnote.instrumentId ].csoundInstrumentId == Config.INST_TIED:
csnote.duration = .5
csnote.decay = 0.7
csnote.tied = False
self.csnd.play(csnote, 0.3)
del self.key_dict[key]
def _updateInstrument( self, id, volume ):
self.instrument = { "name": Config.INSTRUMENTSID[id].name,
"id": id,
"amplitude": sqrt( self.volume*volume*0.1 ),
"pan": 0.5,
"reverb": self.reverb }
def _playDrum( self, id, volume, beats, regularity, seed ):
def flatten(ll):
rval = []
for l in ll:
rval += l
return rval
noteOnsets = []
notePitchs = []
i = 0
self.noteList= []
self.csnd.loopClear()
for x in flatten( generator( Config.INSTRUMENTSID[id].name, beats, 0.8, regularity, self.reverb) ):
x.amplitude = x.amplitude * volume
noteOnsets.append(x.onset)
notePitchs.append(x.pitch)
n = Note(0, x.trackId, i, x)
self.noteList.append( (x.onset, n) )
i = i + 1
self.csnd.loopPlay(n,1) #add as active
self.csnd.loopSetNumTicks( beats * Config.TICKS_PER_BEAT )
self.drumFillin.setProperties( self.tempo, Config.INSTRUMENTSID[id].name, volume, beats, self.reverb )
self.drumFillin.unavailable( noteOnsets, notePitchs )
self.drumFillin.play()
self.csnd.loopSetTick(0)
self.csnd.loopStart()
def _stopDrum( self ):
self.drumFillin.stop()
self.csnd.loopPause()
def _playLoop( self, id, volume, tune ):
loopId = self.csnd.loopCreate()
offset = 0
print "------------", loopId, tune
temp = []
for page in tune:
for n in self.noteDB.getNotesByTrack( page, 0 ):
temp.append( n )
n.pushState()
n.cs.instrumentId = id
n.cs.onset += offset
self.csnd.loopPlay( n, 1, loopId = loopId )
n.popState()
offset += self.noteDB.getPage(page).ticks
print temp
self.csnd.loopSetNumTicks( offset, loopId )
# TODO update for beat syncing
self.csnd.loopStart( loopId )
return loopId
def _stopLoop( self, loopId ):
print "===============", loopId
self.csnd.loopDestroy( loopId )
#==========================================================
# Get/Set
def getDesktop( self ):
return self.desktop
def getInstrumentImage( self, id, active = False ):
if active: return self.instrumentImageActive[id]
else: return self.instrumentImage[id]
def getLoopImage( self, id, active = False ):
if active: return self.loopImageActive[id]
else: return self.loopImage[id]
def setPicker( self, widget, pagePointer, page_num ):
page = self.GUI["notebook"].get_nth_page( page_num )
if page == self.pickers[Picker.Drum]:
pass
elif page == self.pickers[Picker.Loop]:
pass
else:
self.pickers[Picker.Instrument].setFilter( ( page.set ) )
parent = self.pickers[Picker.Instrument].get_parent()
if parent != page:
if parent != None:
parent.remove( self.pickers[Picker.Instrument] )
page.add( self.pickers[Picker.Instrument] )
#==========================================================
# Pixmaps
def prepareInstrumentImage( self, id, img_path ):
try:
win = gtk.gdk.get_default_root_window()
pix = gtk.gdk.pixbuf_new_from_file( img_path )
x = (Block.Block.WIDTH-pix.get_width())//2
y = (Block.Block.HEIGHT-pix.get_height())//2
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Inactive"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
img.draw_pixbuf( self.gc, pix, 0, 0, x, y, pix.get_width(), pix.get_height(), gtk.gdk.RGB_DITHER_NONE )
self.instrumentImage[id] = img
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Active"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
img.draw_pixbuf( self.gc, pix, 0, 0, x, y, pix.get_width(), pix.get_height(), gtk.gdk.RGB_DITHER_NONE )
self.instrumentImageActive[id] = img
except:
if Config.DEBUG >= 5: print "JamMain:: file does not exist: " + img_path
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Inactive"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
self.instrumentImage[id] = img
img = gtk.gdk.Pixmap( win, Block.Block.WIDTH, Block.Block.HEIGHT )
self.gc.foreground = self.colors["Bg_Active"]
img.draw_rectangle( self.gc, True, 0, 0, Block.Block.WIDTH, Block.Block.HEIGHT )
self.instrumentImageActive[id] = img
def _drawNotes( self, pixmap, beats, notes, active ):
self.gc.set_clip_mask( self.sampleNoteMask )
for note in notes: # draw N notes
x = self.ticksToPixels( note.cs.onset )
endX = self.ticksToPixels( note.cs.onset + note.cs.duration ) - 3 # include end cap offset
width = endX - x
if width < 5:
width = 5
endX = x + width
y = self.pitchToPixels( note.cs.pitch )
# draw fill
if active: self.gc.foreground = self.colors["Note_Fill_Active"]
else: self.gc.foreground = self.colors["Note_Fill_Inactive"]
self.gc.set_clip_origin( x, y-self.sampleNoteHeight )
pixmap.draw_rectangle( self.gc, True, x+1, y+1, width+1, self.sampleNoteHeight-2 )
# draw border
if active: self.gc.foreground = self.colors["Note_Border_Active"]
else: self.gc.foreground = self.colors["Note_Border_Inactive"]
self.gc.set_clip_origin( x, y )
pixmap.draw_rectangle( self.gc, True, x, y, width, self.sampleNoteHeight )
self.gc.set_clip_origin( endX-self.sampleNoteMask.endOffset, y )
pixmap.draw_rectangle( self.gc, True, endX, y, 3, self.sampleNoteHeight )
def updateLoopImage( self, id ):
page = self.noteDB.getPage( id )
win = gtk.gdk.get_default_root_window()
width = Block.Loop.WIDTH[page.beats]
height = Block.Loop.HEIGHT
self.gc.set_clip_rectangle( gtk.gdk.Rectangle( 0, 0, width, height ) )
pixmap = gtk.gdk.Pixmap( win, width, height )
self.gc.foreground = self.colors["Bg_Inactive"]
pixmap.draw_rectangle( self.gc, True, 0, 0, width, height )
self._drawNotes( pixmap, page.beats, self.noteDB.getNotesByTrack( id, 0 ), False )
self.loopImage[id] = pixmap
self.gc.set_clip_rectangle( gtk.gdk.Rectangle( 0, 0, width, height ) )
pixmap = gtk.gdk.Pixmap( win, width, height )
self.gc.foreground = self.colors["Bg_Active"]
pixmap.draw_rectangle( self.gc, True, 0, 0, width, height )
self._drawNotes( pixmap, page.beats, self.noteDB.getNotesByTrack( id, 0 ), True )
self.loopImageActive[id] = pixmap
def ticksToPixels( self, ticks ):
return self.loopTickOffset + int(round( ticks * self.pixelsPerTick ))
def pitchToPixels( self, pitch ):
return self.loopPitchOffset + int(round( ( Config.MAXIMUM_PITCH - pitch ) * self.pixelsPerPitch ))
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