X-Git-Url: https://svn.cri.ensmp.fr/git/minwii.git/blobdiff_plain/fdafbd41faa31dc4d3ffccbe8583db770f08d546..7517f56335128e279a36a5d9336a4d5d790b32d6:/src/app/widgets/playingscreen.py diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py index 1bf002c..9aeef24 100755 --- a/src/app/widgets/playingscreen.py +++ b/src/app/widgets/playingscreen.py @@ -9,27 +9,45 @@ $URL$ import pygame from colorsys import hls_to_rgb from gradients import gradients -# TODO : positionner cette constance en fonction de la résolution d'affichage -# externaliser la conf. -BORDER = 5 # 5px -FIRST_HUE = 0.6 -OFF_LUMINANCE = 0.1 -OFF_SATURATION = 1 -ON_TOP_LUMINANCE = 0.9 -ON_BOTTOM_LUMINANCE = 0.6 -ON_SATURATION = 1 - -class _PlayingScreenBase(object) : - def __init__(self, distinctNotes=[]) : +from cursors import WarpingCursor +import events +from eventutils import event_handler, EventDispatcher, EventHandlerMixin +from math import floor +import types +from musicxml import Tone +import fluidsynth + +from config import FRAMERATE +from config import BORDER +from config import FIRST_HUE +from config import OFF_LUMINANCE +from config import OFF_SATURATION +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 + +class _PlayingScreenBase(pygame.sprite.LayeredDirty, EventHandlerMixin) : + + 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 = [] + self.cursor = None self._initRects() - self.drawColumns() + self._initColumns() + self._running = False + self.draw(pygame.display.get_surface()) + self._initCursor() def _initRects(self) : @@ -63,14 +81,60 @@ class _PlayingScreenBase(object) : hueStep = FIRST_HUE / (self.keyboardLength - 1) for i, rect in enumerate(self.keyboardRects) : hue = FIRST_HUE - hueStep * i - c = Column(hue) - + tone = self.distinctNotes[i] + c = Column(self, hue, rect, tone) + self.add(c, layer=0) - def drawColumns(self) : - pass - - def highLightColumn(self) : + def _initCursor(self) : + self.cursor = WarpingCursor(blinkMode=False) + self.add(self.cursor, layer=2) + + 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(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 + + + @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) : @@ -80,18 +144,70 @@ class SongPlayingScreen(_PlayingScreenBase) : self.song = song - -class Column(pygame.sprite.Sprite) : +class Column(pygame.sprite.DirtySprite, EventHandlerMixin) : - def __init__(self, hue, rect) : - pygame.sprite.Sprite.__init__(self) - sur = Surface(rect.size) - rgba = hls_to_rgb(hue, OFF_LUMINANCE, OFF_SATURATION) + (255,) + 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, 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 + self.rect = rect + + def update(self, state) : + group = self.groups()[0] + if state : + group.change_layer(self, 1) + self.image = self.stateOn + self.rect = self.rectOn + else : + group.change_layer(self, 0) + self.image = self.stateOff + self.rect = self.rectOff + + @event_handler(pygame.MOUSEBUTTONDOWN) + 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) + + - topRgba = hls_to_rgb(hue, ON_TOP_LUMINANCE, ON_SATURATION) + (255,) - bottomRgba = hls_to_rgb(hue, ON_BOTTOM_LUMINANCE, ON_SATURATION) + (255,) - size = rect.inflate(2*rect.width,0).size - self.stateOn = gradients.vertical(size, topRgba, bottomRgba) - \ No newline at end of file +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) + (a,)] + return tuple(rgba)