X-Git-Url: https://scm.cri.mines-paristech.fr/git/minwii.git/blobdiff_plain/e1080bdabe912ce17137a79988b04ff85c00cc03..760a2904b59a2c59dd006def017dbdb45b64516a:/src/app/widgets/playingscreen.py diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py index af02bba..7e94d0e 100755 --- a/src/app/widgets/playingscreen.py +++ b/src/app/widgets/playingscreen.py @@ -10,11 +10,14 @@ import pygame from colorsys import hls_to_rgb from gradients import gradients from cursors import WarpingCursor +import events from eventutils import event_handler, EventDispatcher, EventHandlerMixin from math import floor import types -# TODO : positionner cette constance en fonction de la résolution d'affichage -# externaliser la conf. +from musicxml import Tone +import fluidsynth + +from config import FRAMERATE from config import BORDER from config import FIRST_HUE from config import OFF_LUMINANCE @@ -23,16 +26,23 @@ from config import ON_TOP_LUMINANCE from config import ON_BOTTOM_LUMINANCE from config import ON_SATURATION from config import ON_COLUMN_OVERSIZING +from config import ON_COLUMN_ALPHA +from config import FONT +from config import FONT_COLOR +BACKGROUND_LAYER = 0 +FOREGROUND_LAYER = 1 +CURSOR_LAYER = 2 -class _PlayingScreenBase(pygame.sprite.LayeredUpdates, EventHandlerMixin) : +class _PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) : - def __init__(self, distinctNotes=[]) : + def __init__(self, synth, distinctNotes=[]) : """ distinctNotes : notes disctinctes présentes dans la chanson triées du plus grave au plus aigu. """ super(_PlayingScreenBase, self).__init__() + self.synth = synth self.distinctNotes = distinctNotes self.keyboardLength = 0 self.keyboardRects = [] @@ -42,18 +52,18 @@ class _PlayingScreenBase(pygame.sprite.LayeredUpdates, EventHandlerMixin) : self._running = False self.draw(pygame.display.get_surface()) self._initCursor() - def _initRects(self) : """ création des espaces réservés pour afficher les colonnes. """ - ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi - if ambitus <= 12 : - self.keyboardLength = 8 - else : - self.keyboardLength = 11 + #ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi + #if ambitus <= 12 : + # self.keyboardLength = 8 + #else : + # self.keyboardLength = 11 + self.keyboardLength = len(self.distinctNotes) screen = pygame.display.get_surface() @@ -76,76 +86,101 @@ class _PlayingScreenBase(pygame.sprite.LayeredUpdates, EventHandlerMixin) : hueStep = FIRST_HUE / (self.keyboardLength - 1) for i, rect in enumerate(self.keyboardRects) : hue = FIRST_HUE - hueStep * i - c = Column(hue, rect) - self.add(c, layer=0) + tone = self.distinctNotes[i] + c = Column(self, hue, rect, tone) + self.add(c, layer=BACKGROUND_LAYER) def _initCursor(self) : self.cursor = WarpingCursor(blinkMode=True) - self.add(self.cursor, layer=2) + self.add(self.cursor, layer=CURSOR_LAYER) - - def highlightColumn(self, index) : - for i, sprite in enumerate(self.sprites()) : - sprite.update(i==index) - self.draw(pygame.display.get_surface()) - def run(self): self._running = True clock = pygame.time.Clock() pygame.display.flip() + pygame.mouse.set_visible(False) while self._running : EventDispatcher.dispatchEvents() dirty = self.draw(pygame.display.get_surface()) pygame.display.update(dirty) - clock.tick(50) - + clock.tick(FRAMERATE) + + pygame.mouse.set_visible(True) + self.cursor._stopBlink() + @event_handler(pygame.KEYDOWN) def handleKeyDown(self, event) : if event.key == pygame.K_q: self._running = False - uni = event.unicode - if uni.isdigit() and int(uni) <=8 : - self.highlightColumn(int(uni)) - - @event_handler(pygame.MOUSEMOTION) - def handleMouseMotion(self, event) : - pass +class PlayingScreen(_PlayingScreenBase) : + "fenêtre de jeu pour improvisation" + scale = [55, 57, 59, 60, 62, 64, 65, 67, 69, 71, 72] + + def __init__(self, synth) : + distinctNotes = [] + for midi in self.scale : + tone = Tone(midi) + distinctNotes.append(tone) - + super(PlayingScreen, self).__init__(synth, distinctNotes) + + @event_handler(events.NOTEON) + def noteon(self, evt) : + tone = evt.tone + self.synth.noteon(0, tone.midi, 64) + + @event_handler(events.NOTEOFF) + def noteoff(self, evt) : + tone = evt.tone + self.synth.noteoff(0, tone.midi) + class SongPlayingScreen(_PlayingScreenBase) : - def __init__(self, song) : - super(SongPlayingScreen, self).__init__(song.distinctNotes) + def __init__(self, synth, song) : + super(SongPlayingScreen, self).__init__(synth, song.distinctNotes) self.song = song + + @event_handler(events.NOTEON) + def noteon(self, evt) : + tone = evt.tone + self.synth.noteon(0, tone.midi, 64) + + @event_handler(events.NOTEOFF) + def noteoff(self, evt) : + tone = evt.tone + self.synth.noteoff(0, tone.midi) -class SongPlayingScreenTest(_PlayingScreenBase) : - def __init__(self) : - class C:pass - o = C() - o.midi=1 - super(SongPlayingScreenTest, self).__init__([o]) -class Column(pygame.sprite.Sprite, EventHandlerMixin) : +class Column(pygame.sprite.DirtySprite, EventHandlerMixin) : - def __init__(self, hue, rect) : - pygame.sprite.Sprite.__init__(self) + def __init__(self, group, hue, rect, tone) : + pygame.sprite.DirtySprite.__init__(self, group) + self.tone = tone + toneName = FONT.render(tone.nom, True, (0,0,0)) sur = pygame.surface.Surface(rect.size) rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION) sur.fill(rgba) + w, h = rect.w, rect.h + tw, th, = toneName.get_size() + toneRect = pygame.Rect(((w - tw) / 2, h - th), (tw, th)) + sur.blit(toneName, toneRect) self.stateOff = sur self.rectOff = rect - topRgba = hls_to_rgba_8bits(hue, ON_TOP_LUMINANCE, ON_SATURATION) - bottomRgba = hls_to_rgba_8bits(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION) + topRgba = hls_to_rgba_8bits(hue, ON_TOP_LUMINANCE, ON_SATURATION, ON_COLUMN_ALPHA) + bottomRgba = hls_to_rgba_8bits(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION, ON_COLUMN_ALPHA) onWidth = rect.width * ON_COLUMN_OVERSIZING onLeft = rect.centerx - onWidth / 2 rectOn = pygame.Rect((onLeft, 0), (onWidth, rect.height)) self.stateOn = gradients.vertical(rectOn.size, topRgba, bottomRgba) + w, h = rectOn.w, rectOn.h + toneRect = pygame.Rect(((w - tw) / 2, h - th), (tw, th)) + self.stateOn.blit(toneName, toneRect) self.rectOn = rectOn self.image = self.stateOff @@ -154,11 +189,11 @@ class Column(pygame.sprite.Sprite, EventHandlerMixin) : def update(self, state) : group = self.groups()[0] if state : - group.change_layer(self, 1) + group.change_layer(self, FOREGROUND_LAYER) self.image = self.stateOn self.rect = self.rectOn else : - group.change_layer(self, 0) + group.change_layer(self, BACKGROUND_LAYER) self.image = self.stateOff self.rect = self.rectOff @@ -166,12 +201,24 @@ class Column(pygame.sprite.Sprite, EventHandlerMixin) : def onMouseDown(self, event) : if self.rect.collidepoint(*event.pos) : self.update(True) + self.raiseNoteOn() @event_handler(pygame.MOUSEBUTTONUP) def onMouseUp(self, event) : self.update(False) + self.raiseNoteOff() + + def raiseNoteOn(self) : + evt = pygame.event.Event(events.NOTEON, tone=self.tone) + pygame.event.post(evt) + + def raiseNoteOff(self) : + evt = pygame.event.Event(events.NOTEOFF, tone=self.tone) + pygame.event.post(evt) + + -def hls_to_rgba_8bits(h, l, s) : +def hls_to_rgba_8bits(h, l, s, a=1) : #convert to rgb ranging from 0 to 255 - rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (1,)] + rgba = [floor(255 * i) for i in hls_to_rgb(h, l, s) + (a,)] return tuple(rgba)