jicbioimage/illustrate/__init__.py
def text_at(self, text, position, color=(255, 255, 255),
                size=12, antialias=False, center=False):
        """Write text at x, y top left corner position.

        By default the x and y coordinates represent the top left hand corner
        of the text. The text can be centered vertically and horizontally by
        using setting the ``center`` option to ``True``.

        :param text: text to write
        :param position: (row, col) tuple
        :param color: RGB tuple
        :param size: font size
        :param antialias: whether or not the text should be antialiased
        :param center: whether or not the text should be centered on the
                       input coordinate
        """
        def antialias_value(value, normalisation):
            return int(round(value * normalisation))

        def antialias_rgb(color, normalisation):
            return tuple([antialias_value(v, normalisation) for v in color])

        def set_color(xpos, ypos, color):
            try:
                self[ypos, xpos] = color
            except IndexError:
                pass

        y, x = position
        font = PIL.ImageFont.truetype(DEFAULT_FONT_PATH, size=size)
        mask = font.getmask(text)
        width, height = mask.size
        if center:
            x = x - (width // 2)
            y = y - (height // 2)
        for ystep in range(height):
            for xstep in range(width):
                normalisation = mask[ystep * width + xstep] / 255.
                if antialias:
                    if normalisation != 0:
                        rgb_color = antialias_rgb(color, normalisation)
                        set_color(x + xstep, y+ystep, rgb_color)
                else:
                    if normalisation > .5:
                        set_color(x + xstep, y + ystep, color)
def text_at(self, text, position, color=(255, 255, 255),
                size=12, antialias=False, center=False):
        def antialias_value(value, normalisation):
            return int(round(value * normalisation))

        def antialias_rgb(color, normalisation):
            return tuple([antialias_value(v, normalisation) for v in color])

        def set_color(xpos, ypos, color):
            try:
                self[ypos, xpos] = color
            except IndexError:
                pass

        y, x = position
        font = PIL.ImageFont.truetype(DEFAULT_FONT_PATH, size=size)
        mask = font.getmask(text)
        width, height = mask.size
        if center:
            x = x - (width // 2)
            y = y - (height // 2)
        for ystep in range(height):
            for xstep in range(width):
                normalisation = mask[ystep * width + xstep] / 255.
                if antialias:
                    if normalisation != 0:
                        rgb_color = antialias_rgb(color, normalisation)
                        set_color(x + xstep, y+ystep, rgb_color)
                else:
                    if normalisation > .5:
                        set_color(x + xstep, y + ystep, color)
def text_at ( self , text , position , color = ( 255 , 255 , 255 ) , size = 12 , antialias = False , center = False ) : def antialias_value ( value , normalisation ) : return int ( round ( value * normalisation ) ) def antialias_rgb ( color , normalisation ) : return tuple ( [ antialias_value ( v , normalisation ) for v in color ] ) def set_color ( xpos , ypos , color ) : try : self [ ypos , xpos ] = color except IndexError : pass y , x = position font = PIL . ImageFont . truetype ( DEFAULT_FONT_PATH , size = size ) mask = font . getmask ( text ) width , height = mask . size if center : x = x - ( width // 2 ) y = y - ( height // 2 ) for ystep in range ( height ) : for xstep in range ( width ) : normalisation = mask [ ystep * width + xstep ] / 255. if antialias : if normalisation != 0 : rgb_color = antialias_rgb ( color , normalisation ) set_color ( x + xstep , y + ystep , rgb_color ) else : if normalisation > .5 : set_color ( x + xstep , y + ystep , color )
Write text at x, y top left corner position.

        By default the x and y coordinates represent the top left hand corner
        of the text. The text can be centered vertically and horizontally by
        using setting the ``center`` option to ``True``.

        :param text: text to write
        :param position: (row, col) tuple
        :param color: RGB tuple
        :param size: font size
        :param antialias: whether or not the text should be antialiased
        :param center: whether or not the text should be centered on the
                       input coordinate
Write text at x y top left corner position .