Ajout des soundfonts

[minwii.git] / src / app / widgets / playingscreen.py

diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py
index af02bba..f699a56 100755 (executable)
--- 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
 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
 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
 from config import BORDER
 from config import FIRST_HUE
 from config import OFF_LUMINANCE


@@ -23,16 +26,19 @@ 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_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) :

 
 

-class _PlayingScreenBase(pygame.sprite.LayeredUpdates, 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__()
         """
         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.distinctNotes = distinctNotes
         self.keyboardLength = 0
         self.keyboardRects = []


@@ -42,7 +48,6 @@ class _PlayingScreenBase(pygame.sprite.LayeredUpdates, EventHandlerMixin) :
         self._running = False
         self.draw(pygame.display.get_surface())
         self._initCursor()
         self._running = False
         self.draw(pygame.display.get_surface())
         self._initCursor()

-            

     
     
     def _initRects(self) :
     
     
     def _initRects(self) :


@@ -76,44 +81,61 @@ class _PlayingScreenBase(pygame.sprite.LayeredUpdates, EventHandlerMixin) :
         hueStep = FIRST_HUE / (self.keyboardLength - 1)
         for i, rect in enumerate(self.keyboardRects) :
             hue = FIRST_HUE - hueStep * i
         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.add(c, layer=0)
     
     def _initCursor(self) :

-        self.cursor = WarpingCursor(blinkMode=True)
+        self.cursor = WarpingCursor(blinkMode=False)

         self.add(self.cursor, layer=2)
         
         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()
         pygame.display.flip()
     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)
         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
     @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
         
         
     @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) :
     
 
 class SongPlayingScreen(_PlayingScreenBase) :
     


@@ -129,23 +151,32 @@ class SongPlayingScreenTest(_PlayingScreenBase) :
         super(SongPlayingScreenTest, self).__init__([o])
     
 
         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)
         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
         
         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)
         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.rectOn = rectOn
         
         self.image = self.stateOff


@@ -166,12 +197,24 @@ class Column(pygame.sprite.Sprite, EventHandlerMixin) :
     def onMouseDown(self, event) :
         if self.rect.collidepoint(*event.pos) :
             self.update(True)
     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)
 
     @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
     #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)
     return tuple(rgba)