affichage des noms de note.

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

diff --git a/src/app/widgets/playingscreen.py b/src/app/widgets/playingscreen.py
index f65d8e5..162f182 100755 (executable)
--- a/src/app/widgets/playingscreen.py
+++ b/src/app/widgets/playingscreen.py
@@ -7,19 +7,45 @@ $Id$
 $URL$
 """
 import pygame
 $URL$
 """
 import pygame

-# TODO : positionner cette constance en fonction de la résolution d'affichage
-BORDER = 5 # 5px
+from colorsys import hls_to_rgb
+from gradients import gradients
+from cursors import WarpingCursor
+from eventutils import event_handler, EventDispatcher, EventHandlerMixin
+from math import floor
+import types
+from musicxml import Tone
+
+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) :

 
 

-class _PlayingScreenBase(object) :

     def __init__(self, distinctNotes=[]) :
         """
         distinctNotes : notes disctinctes présentes dans la chanson
         triées du plus grave au plus aigu.
         """
     def __init__(self, distinctNotes=[]) :
         """
         distinctNotes : notes disctinctes présentes dans la chanson
         triées du plus grave au plus aigu.
         """

+        super(_PlayingScreenBase, self).__init__()

         self.distinctNotes = distinctNotes
         self.distinctNotes = distinctNotes

+        self.keyboardLength = 0

         self.keyboardRects = []
         self.keyboardRects = []

+        self.cursor = None

         self._initRects()
         self._initRects()

-        self.drawColumns()
+        self._initColumns()
+        self._running = False
+        self.draw(pygame.display.get_surface())
+        self._initCursor()
+            

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


@@ -28,9 +54,9 @@ class _PlayingScreenBase(object) :
         """
         ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi
         if ambitus <= 12 :
         """
         ambitus = self.distinctNotes[-1].midi - self.distinctNotes[0].midi
         if ambitus <= 12 :

-            keyboardLength = 8
+            self.keyboardLength = 8

         else :
         else :

-            keyboardLength = 11
+            self.keyboardLength = 11

         
         screen = pygame.display.get_surface()
 
         
         screen = pygame.display.get_surface()
 


@@ -38,33 +64,137 @@ class _PlayingScreenBase(object) :
         dispWidth = screen.get_width() - 2 * BORDER
         dispHeight = screen.get_height() - 2 * BORDER
         
         dispWidth = screen.get_width() - 2 * BORDER
         dispHeight = screen.get_height() - 2 * BORDER
         

-        columnWidth = int(round(float(dispWidth) / keyboardLength))
+        columnWidth = int(round(float(dispWidth) / self.keyboardLength))

 
         rects = []
 
         rects = []

-        for i in range(keyboardLength) :
+        for i in range(self.keyboardLength) :

             upperLeftCorner = (i*columnWidth + BORDER, BORDER)
             rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight))
             rects.append(rect)
         
         self.keyboardRects = rects
             upperLeftCorner = (i*columnWidth + BORDER, BORDER)
             rect = pygame.Rect(upperLeftCorner, (columnWidth, dispHeight))
             rects.append(rect)
         
         self.keyboardRects = rects

-            

     
     

-    def drawColumns(self) :
-        pass
+    def _initColumns(self) :
+        
+        hueStep = FIRST_HUE / (self.keyboardLength - 1)
+        for i, rect in enumerate(self.keyboardRects) :
+            hue = FIRST_HUE - hueStep * i
+            tone = self.distinctNotes[i]
+            c = Column(self, hue, rect, tone)
+            self.add(c, layer=0)

     
     

-    def highLightColumn(self) :
+    def _initCursor(self) :
+        self.cursor = WarpingCursor(blinkMode=True)
+        self.add(self.cursor, layer=2)
+        
+    def run(self):
+        self._running = True
+        clock = pygame.time.Clock()
+        pygame.display.flip()
+        while self._running :
+            EventDispatcher.dispatchEvents()
+            dirty = self.draw(pygame.display.get_surface())
+            pygame.display.update(dirty)
+            clock.tick(FRAMERATE)
+
+    @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
         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) :
     
     def __init__(self, song) :
 
 class SongPlayingScreen(_PlayingScreenBase) :
     
     def __init__(self, song) :

-        super(SongPlayingScreen, self).__init__(song.)
+        super(SongPlayingScreen, self).__init__(song.distinctNotes)

         self.song = song
         self.song = song

+
+class SongPlayingScreenTest(_PlayingScreenBase) :
+    def __init__(self) :
+        class C:pass
+        o = C()
+        o.midi=1
+        super(SongPlayingScreenTest, self).__init__([o])

     
 
     
 

+class Column(pygame.sprite.DirtySprite, EventHandlerMixin) :
+    
+    def __init__(self, group, hue, rect, tone) :
+        pygame.sprite.DirtySprite.__init__(self, group)
+        
+        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)

 
 

-class Column(pygame.sprite.Sprite) :
+    @event_handler(pygame.MOUSEBUTTONUP)
+    def onMouseUp(self, event) :
+        self.update(False)
+    
+    def raiseNoteOn(self) :
+        pass

     
     

-    def __init__(self, color) :
-        pass
\ No newline at end of file
+    def raiseNoteOff(self) :
+        pass
+
+
+        
+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)