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 ))