From: pin Date: Mon, 22 Mar 2010 15:46:53 +0000 (+0000) Subject: agrandissement avec maintient du bon point de référence. X-Git-Url: https://scm.cri.ensmp.fr/git/minwii.git/commitdiff_plain/cffbf1ec343a63a3ca0edbcd4fdcd075ae85d50b agrandissement avec maintient du bon point de référence. git-svn-id: https://svn.cri.ensmp.fr/svn/minwii/trunk@104 fe552daf-6dbe-4428-90eb-1537e0879342 --- diff --git a/src/app/widgets/instrumentselector.py b/src/app/widgets/instrumentselector.py index 330d6cb..70654f6 100755 --- a/src/app/widgets/instrumentselector.py +++ b/src/app/widgets/instrumentselector.py @@ -5,11 +5,13 @@ $Id$ $URL$ """ +import os.path import pygame from eventutils import event_handler, EventDispatcher, EventHandlerMixin from cursors import WarpingCursor from config import FRAMERATE from globals import BACKGROUND_LAYER +from globals import FOREGROUND_LAYER from globals import CURSOR_LAYER from globals import hls_to_rgba_8bits @@ -18,33 +20,29 @@ class InstrumentSelector(pygame.sprite.LayeredDirty, EventHandlerMixin) : rows = 3 cols = 3 + instruments = ['accordeon', 'celesta', 'flute', 'guitare', 'orgue', 'piano', 'tuba', 'violon', 'violoncelle'] def __init__(self) : super(InstrumentSelector, self).__init__() - self._initCursor() - self._initRects() + #self._initRects() self._initTiles() + self._initCursor() - def _initRects(self) : + def _initTiles(self) : screen = pygame.display.get_surface() tileWidth = int(round(float(screen.get_width()) / self.cols)) tileHeight = int(round(float(screen.get_height()) / self.rows)) - - rects = [] + + self.tiles = [] + instrus = self.instruments[:] for y in range(self.cols) : for x in range(self.rows) : - upperLeftCorner = (y * tileWidth, x * tileHeight) + upperLeftCorner = (x * tileWidth, y * tileHeight) rect = pygame.Rect(upperLeftCorner, (tileWidth, tileHeight)) - rects.append(rect) - self.rects = rects + tile = InstrumentTile(instrus.pop(0), self, rect, (x,y)) + self.add(tile, layer=BACKGROUND_LAYER) + self.tiles.append(tile) - def _initTiles(self) : - for rect in self.rects : - tile = InstrumentTile(self, rect) - self.add(tile, layer=BACKGROUND_LAYER) - - - def _initCursor(self) : self.cursor = WarpingCursor(blinkMode=True) self.add(self.cursor, layer=CURSOR_LAYER) @@ -71,11 +69,92 @@ class InstrumentSelector(pygame.sprite.LayeredDirty, EventHandlerMixin) : if event.key == pygame.K_q: self.stop() + #@event_handler(pygame.MOUSEMOTION) + @event_handler(pygame.MOUSEBUTTONDOWN) + def onMouseMove(self, event) : + for tile in reversed(self.sprites()[:-1]) : + if tile.rect.collidepoint(*event.pos) : + self.raiseTileOver(tile) + break + + def raiseTileOver(self, tile) : + self.change_layer(tile, FOREGROUND_LAYER) + tile.inflate(tile.coords) + + class InstrumentTile(pygame.sprite.DirtySprite) : + + @staticmethod + def _get_instrument_image(name) : + imagePath = os.path.abspath(__file__).split(os.path.sep)[:-1] + imagePath.extend(['data', 'instruments']) + name, ext = os.path.splitext(name) + imagePath.append('%s%s' % (name, ext or '.jpg')) + return os.path.sep.join(imagePath) + + BORDER = 10 + INFLATE_ZOOM = 0.25 - def __init__(self, group, rect) : + def __init__(self, name, group, rect, coords) : pygame.sprite.DirtySprite.__init__(self, group) + self.name = name self.rect = rect - self.image = pygame.Surface(rect.size) - self.image.fill((0,255,255,64)) + self.coords = coords + + + innerWidth, innerHeight = [l-self.BORDER*2 for l in self.rect.size] + + imagePath = InstrumentTile._get_instrument_image(name) + img = pygame.image.load(imagePath) + iWidth, iHeight = img.get_size() + imgRatio = float(iWidth) / iHeight + + # adapts dimensions + iw = innerWidth + ih = int(round(innerWidth / imgRatio)) + + if ih > innerHeight: + ih = innerHeight + iw = int(round(innerHeight * imgRatio)) + + position = ((innerWidth - iw) / 2 + self.BORDER, (innerHeight - ih) / 2 + self.BORDER) + + img = pygame.transform.smoothscale(img, (iw, ih)) + + bg = pygame.Surface(self.rect.size) + bg.fill((255,255,255,255)) + bg.blit(img, pygame.Rect(position, (iw, ih))) + + self.image = bg + + def inflate(self, refPoint) : + keep = {} + for name in REF_POINTS[refPoint] : + keep[name] = getattr(self.rect, name) + + self.rect.inflate_ip(*[l*self.INFLATE_ZOOM for l in self.rect.size]) + + img = pygame.transform.smoothscale(self.image, self.rect.size) + self.image = img + + for k, v in keep.items() : + setattr(self.rect, k, v) + + self.dirty = 1 + + + +REF_POINTS = { + (0, 0) : ['top', 'left'], + (1, 0) : ['top'], + (2, 0) : ['top', 'right'], + + (0, 1) : ['left'], + (1, 1) : [], + (2, 1) : ['right'], + + (0, 2) : ['bottom', 'left'], + (1, 2) : ['bottom'], + (2, 2) : ['bottom', 'right'] +} \ No newline at end of file