Python transform.scale函数代码示例

 def _get_raw_shadow(self):
     target_img = self.target.get_image(self.capture_state)
     r = target_img.get_rect()
     #the shadow will be larger in order to make free space for fadeout.
     r.inflate_ip(2*self.shadow_radius, 2*self.shadow_radius)
     img = Surface(r.size)
     img.fill((255, 255, 255, 255))
     img.blit(target_img, (self.shadow_radius, self.shadow_radius))
     if self.sun_angle <= 0.:
         raise Exception("Sun angle must be greater than zero.")
     elif self.sun_angle != 45. and self.vertical:
         w, h = img.get_size()
         new_h = h / tan(self.sun_angle * pi / 180.)
         screen_size = functions.get_screen().get_size()
         new_h = abs(int(min(new_h, max(screen_size))))
         img = scale(img, (w, new_h))
     if self.angle_mode == "flip":
         img = flip(img, self.mode_value[0], self.mode_value[1])
     elif self.angle_mode == "rotate":
         img = rotate(img, self.mode_value)
     else:
         raise Exception("angle_mode not available: " + str(self.angle_mode))
     shadow = pilgraphics.get_shadow(img,
                                     radius=self.shadow_radius,
                                     black=self.black,
                                     alpha_factor=self.alpha_factor,
                                     decay_mode=self.decay_mode,
                                     color=self.color)
     return shadow

def preview_img(screen, img):
    # generate an image preview
    square_width = 200
    square_height = 175
    (img_width, img_height) = img.get_size()
    small_img = img
    # display a preview image in dimensions that won't distort it:
    if img_width > img_height:
        if (not img_width < square_width and not img_height < square_height) or (img_width > square_width) or (img_height > square_height) or (img_width > square_width and img_height > square_height):
            r = float(img_width) / float(img_height)
            new_width = square_width
            new_height = int(new_width / r)
            scale_val = new_width, new_height
            small_img = scale(img, scale_val)
    if img_width < img_height:
        if (not img_width < square_width and not img_height < square_height) or (img_width > square_width) or (img_height > square_height) or (img_width > square_width and img_height > square_height):
            r = float(img_height) / float(img_width)
            new_height = square_height
            new_width = int(new_height / r)
            scale_val = new_width, new_height
            small_img = scale(img, scale_val)
    if img_width == img_height: 
        if (not img_width < square_width and not img_height < square_height) or (img_width > square_width) or (img_height > square_height) or (img_width > square_width and img_height > square_height):
            r = float(img_width) / float(img_height)
            new_height = square_height
            new_width = square_width
            scale_val = new_width, new_height
            small_img = scale(img, scale_val)
    (img_width, img_height) = small_img.get_size()
    return (small_img, img_width, img_height)

def main():
    import pygame
    from pygame import surfarray,transform
    screen_size = (DIM[0]*4,DIM[1]*4)
    screen = pygame.display.set_mode(screen_size)
    pygame.display.init()
    pygame.init()
    board = create_board(*DIM)
    board = initialize_board(
        board,
        [[5,5],[5,6]],
    )
    rate = .25
    next = time.time() -1
    small = pygame.Surface( DIM )
    blitter = pygame.Surface( screen_size )
    while True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                raise SystemExit(0)
        if time.time() > next:
            next = time.time() + rate 
            board = cycle(board)
            surfarray.blit_array(small,board)
            transform.scale( small, screen_size, blitter )
        screen.blit( blitter, (0,0) )
        #surfarray.blit_array(screen,board)
        pygame.display.flip()

    def get_surface(self):
        W, H = functions.get_screen_size()
        if isinstance(self.img_path, str):  # load image
            surface = load_image(self.img_path)
        else:  # take image
            surface = self.img_path
        if 0 < self.alpha < 255:
            surface.set_alpha(self.alpha, RLEACCEL)
        if self.mode == "scale to screen":
            surface = scale(surface, (W, H))
            self.size = (W, H)
        elif self.mode == "cut to screen":
            new_surface = Surface((W, H))
            new_surface.blit(surface, (0, 0))
            self.size = (W, H)
        elif self._resized:
            surface = scale(surface, self._resized)
        elif self.mode:
            functions.debug_msg("Unrecognized mode : ", self.mode)
##        elif self._resized:
##            surface = scale(surface, self._resized)
        if self.colorkey:
            surface.set_colorkey(self.colorkey, RLEACCEL)
        surface.set_clip(self.clip)
        if self.alpha < 255:
            return surface.convert_alpha()
        else:
            return surface.convert()

 def drawMapView(self, surface, increment = 1):
     """Drawing the Map with Player and Beetles"""
     beetle_color_vect=["beetle_right.png","beetle_left.png","beetle_up.png","beetle_down.png"]
     life_imm=["./start_end/life_empty.png","./start_end/life_last.png","./start_end/life_mid.png","./start_end/life_full.png"]
     surface.blit(self.mp.getMapView(self.viewRect), ORIGIN)
     
     for i in range(number_beetles):
         imagePath_2=os.path.join("sprites", beetle_color_vect[beetle[i].color])
         img_2=pg.image.load(imagePath_2)
         image_2=scale(img_2, beetle[i].size)
         image_2.convert()
         surface.blit(image_2,beetle[i].position)
 
     imagePath = os.path.join("sprites", player.color)
     img = pg.image.load(imagePath)
     image=scale(img, player.size)
     image.convert()
             #surface.blit(image,player.position)
         #if(self.index_life>0):
     surface.blit(image,player.position)
         #else:
             #print 'todo: add image of damage'
         
     image_life = pg.image.load(life_imm[player.life])
     image_life.convert()
     surface.blit(image_life, ORIGIN)

    def activate(self):
        GameState.activate(self)

        w, h = sd.get_size()

        self.cr_open = scale(res.loadImage("open.png", 0, 1), (20,30))
        self.cr_grasp = scale(res.loadImage("grasp.png", 0, 1), (20, 25))
        self.cr_arrow = res.loadImage("next_arrow.png", 0, 1)

        self.cr = KeyCursor(self.cr_open)
        self.cr_state = HAND_OPEN

        self.cr_bounds = Rect(0,0,w,h).inflate(-w*.2, -h*.2)
        self.cr_bounds.height -= 30
        self.cr_bounds.width -= 20
        self.cr_pos = list(self.cr_bounds.center)
        self.cr_speed = 0
        self.cr.enable()

        self.map_pos = self.cr_pos[:]

        path = res.mapPath("overworld3.tmx")

        self.tilemap = BufferedTilemapRenderer(path,
                       (w,h), force_colorkey=(128,0,63))

        self.camera = OverworldCamera([], self.tilemap, ((0,0), (w,h)))
        self.camera.center(self.cr_pos)
        self.tilemap.redraw()


        self.cleared = 0

def fit_image(img, screen):
    "resize the image to fit the imgv window"
    rect = screen.get_rect()
    gl.SCALE_UP = 0
    if gl.REAL_WIDTH > gl.REAL_HEIGHT:
        r = float(gl.REAL_WIDTH) / float(gl.REAL_HEIGHT)
        new_width = screen.get_width()
        new_height = int(new_width / r)
        scale_val = new_width, new_height
        img = scale(img, scale_val)
        gl.SHRUNK = 1
    elif gl.REAL_WIDTH < gl.REAL_HEIGHT:
        r = float(gl.REAL_HEIGHT) / float(gl.REAL_WIDTH)
        new_height = screen.get_height()
        new_width = int(new_height / r)
        scale_val = new_width, new_height
        img = scale(img, scale_val)
        gl.SHRUNK = 1
    elif gl.REAL_WIDTH == gl.REAL_HEIGHT:
        r = float(gl.REAL_WIDTH) / float(gl.REAL_HEIGHT)
        new_height = screen.get_height()
        new_width = screen.get_width()
        if new_height > new_width:
            scale_val = int(new_width / r), int(new_width / r)
        elif new_width > new_height:
            scale_val = int(new_height / r), int(new_height / r)
        else:
            scale_val = new_width, new_height
        img = scale(img, scale_val)
    else:
        new_height = new_width = screen.get_width()
        scale_val = new_width, new_height
        img = scale(img, scale_val)
    return img

    def get_player_sprites(self, sprite_sheet):
        """Creates a dict containing all player sprites with grouped by facing. Not generally applicable."""

        # Order of sprites' facings in sprite sheet
        sprite_sheet_direction = [Direction.DOWN, Direction.LEFT, Direction.RIGHT, Direction.UP]

        sprites = {}
        for i in range(0, 12, 3):
            direction_sprites = []
            scaled_sprite_size = (self.sprite_width * self.scale_factor, self.sprite_height * self.scale_factor)

            # Get all sprites with certain alignment
            sprite_move_1 = Rect(self.get_sprite_location(i), (self.sprite_width, self.sprite_height))
            sprite_stationary = Rect(self.get_sprite_location(i + 1), (self.sprite_width, self.sprite_height))
            sprite_move_2 = Rect(self.get_sprite_location(i + 2), (self.sprite_width, self.sprite_height))

            current_direction = sprite_sheet_direction[i // 3]

            # Current sprite sheet has duplicate sprites for left and right facing, thus reordering to allow animation
            if current_direction == Direction.RIGHT or current_direction == Direction.LEFT:
                direction_sprites = [scale(sprite_sheet.subsurface(rect), scaled_sprite_size) for rect in
                                     [sprite_move_1, sprite_stationary, sprite_move_2]]
            else:
                direction_sprites = [scale(sprite_sheet.subsurface(rect), scaled_sprite_size) for rect in
                                     [sprite_move_1, sprite_move_2, sprite_stationary]]

            # Add sprites to sprite dict with alignment as key
            sprites[sprite_sheet_direction[i // 3]] = direction_sprites

        return sprites

 def __init__(self,imagefile,soundfile,trgtimg,trgtsnd):
     self.image = scale(image.load(imagefile), SIZE).convert()
     self.fill = scale(image.load(BASE),SIZE).convert()
     self.sound = mixer.Sound(soundfile)
     self.trgtimg = trgtimg
     self.trgtsnd = trgtsnd
     self.result = [not(self.trgtimg),not(self.trgtsnd)]

def update_display():
    if DOUBLE_SIZE:
        #group.clear(screen_buffer, background)
        #dirty = group.draw(screen_buffer)
        scale(screen_buffer, (644, 406), screen)
        #pygame.transform.scale2x(screen_buffer, screen)

    pygame.display.update()

 def __init__(self, width, client, **kwds):
     font = self.predict_font(kwds)
     h = font.get_linesize()
     d = 2 * self.predict(kwds, "margin")
     kwds["align"] = kwds.get("align", "l")
     ScrollPanel.__init__(self, inner_width=width, **kwds)
     self.icons = {
         True: scale(folder_image, (self.row_height, self.row_height)),
         False: scale(file_image, (self.row_height, self.row_height)),
     }
     self.client = client
     self.names = []

def update_display():
    if DOUBLE_SIZE:
        #group.clear(screen_buffer, background)
        #dirty = group.draw(screen_buffer)
        scale(screen_buffer, (644, 406), screen)
        #pygame.transform.scale2x(screen_buffer, screen)
    currSurf = pygame.display.get_surface()
    currSurf = pygame.Surface((644, 406), pygame.SRCALPHA, 32)
    #mask.fill
    #mask.set_alpha(255)
    #currSurf.blit(mask,(0,0),special_flags=(pygame.BLEND_RGBA_SUB))
    #self.world.view.set_background(pygame.Surface((644, 406), pygame.SRCALPHA, 32))
    pygame.display.update()

 def resize(self):
     if self.marker <= 1:
         charRow = self.charactor.sector.idNum / NUM_COLS
         baseW, baseH = self.image.get_rect().width*3/4, self.image.get_rect().height*3/4
         self.image = trans.scale(self.image,(baseW + (baseW/3) * charRow, baseH + (baseH/3) * charRow))
     elif self.marker == 2: #red closer, first player closer
         charCol = self.charactor.sector.idNum % NUM_COLS
         baseW, baseH = self.image.get_rect().width*3/4, self.image.get_rect().height*3/4
         self.image = trans.scale(self.image,(baseW + (baseW/3) * (NUM_COLS - charCol), baseH + (baseH/3) * (NUM_COLS - charCol)))
     elif self.marker == 3: #blue closer, 
         charCol = self.charactor.sector.idNum % NUM_COLS
         baseW, baseH = self.image.get_rect().width*3/4, self.image.get_rect().height*3/4
         self.image = trans.scale(self.image,(baseW + (baseW/3) * charCol, baseH + (baseH/3) * charCol))

def command_zoom_out(new_img, new_img_width, new_img_height, img, screen, file, num_imgs, rect, zoom_type):
    wait_cursor()
    start = start_timer()
    if new_img.get_width() >= gl.MIN_WIDTH and new_img.get_height() >= gl.MIN_HEIGHT:
        gl.ZOOM_EXP -= 1
        if zoom_type == "normal":
            gl.ZOOM_DOUBLE = 0
            new_img = scale(img, (new_img.get_width() / 1.1, new_img.get_height() / 1.1))
        else:
            gl.ZOOM_DOUBLE = 1
            new_img = scale(img, (new_img.get_width() / 2, new_img.get_height() / 2))
        rect = get_center(screen, new_img)
        my_update_screen(new_img, screen, rect, file, num_imgs, check_timer(start))
    normal_cursor()
    return (new_img, img, rect)

def test_scale(surface):
   """Simple scale tests"""
   obj = _make_object()

   surface.blit(obj, (20, 20))
   obj1 = transform.scale(obj, (100, 100))
   surface.blit(obj1, (80, 80))
   obj2 = transform.scale(obj1, (60, 60))
   surface.blit(obj2, (160, 160))
   obj3 = transform.scale(obj, (60, 60))
   surface.blit(obj3, (240, 160))
   obj1 = transform.scale2x(obj)
   surface.blit(obj1, (240, 240))
   obj1 = transform.scale2x(obj2)
   surface.blit(obj1, (320, 320))