circadiaPreview.py 文件源码

def updateScreen(self, canvas):
        """ update the image with a new canvas"""

        w = canvas.width
        h = canvas.height

        img = Image.new('RGB', (w, h))
        drw = ImageDraw.Draw(img)
        for x in xrange(w):
            for y in xrange(h):
                col = canvas.getPixel(x, y)
                drw.point((x,y), fill=(int(col[0]*255), int(col[1]*255), int(col[2]*255)))

        scl = img.resize( (87, 324), resample=Image.BILINEAR )
        self.lampSrc.paste(scl, (55,227))
        self.lampImg = ImageTk.PhotoImage(self.lampSrc)
        self.backgroundLabel.config(image=self.lampImg)