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.
-BORDER = 0 # 5px
-FIRST_HUE = 0.6
-OFF_LUMINANCE = 0.2
-OFF_SATURATION = 1
-ON_TOP_LUMINANCE = 0.6
-ON_BOTTOM_LUMINANCE = 0.9
-ON_SATURATION = 1
-ON_COLUMN_OVERSIZING = 1.75
+from musicxml import Tone
+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.LayeredUpdates, EventHandlerMixin) :
hueStep = FIRST_HUE / (self.keyboardLength - 1)
for i, rect in enumerate(self.keyboardRects) :
hue = FIRST_HUE - hueStep * i
- c = Column(hue, rect)
+ tone = self.distinctNotes[i]
+ c = Column(self, hue, rect, tone)
self.add(c, layer=0)
def _initCursor(self) :
self.cursor = WarpingCursor(blinkMode=True)
self.add(self.cursor, layer=2)
-
- 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()
dirty = self.draw(pygame.display.get_surface())
pygame.display.update(dirty)
clock.tick(50)
-
+
@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) :
+ distinctNotes = []
+ for midi in self.scale :
+ tone = Tone(midi)
+ distinctNotes.append(tone)
+
+ super(PlayingScreen, self).__init__(distinctNotes)
+
class SongPlayingScreen(_PlayingScreenBase) :
class Column(pygame.sprite.Sprite, EventHandlerMixin) :
- def __init__(self, hue, rect) :
- pygame.sprite.Sprite.__init__(self)
+ def __init__(self, group, hue, rect, tone) :
+ pygame.sprite.Sprite.__init__(self, group)
sur = pygame.surface.Surface(rect.size)
rgba = hls_to_rgba_8bits(hue, OFF_LUMINANCE, OFF_SATURATION)
sur.fill(rgba)
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),
self.image = self.stateOff
self.rect = rect
+ self.toneName = FONT.render(tone.nom, True, (0,0,0))
def update(self, state) :
group = self.groups()[0]
@event_handler(pygame.MOUSEBUTTONUP)
def onMouseUp(self, event) :
self.update(False)
+
+ def raiseNoteOn(self) :
+ pass
+
+ def raiseNoteOff(self) :
+ pass
+
+
-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)