font.py 文件源码

def create_character(fontpath, size, c, bypp, crop, bpp):
    try:
        from PIL import Image
        from PIL import ImageDraw
        from PIL import ImageFont
        from PIL import ImageChops

    except:
        # we will get respawn hopefully after python-PIL is loaded
        print 'failed to load PIL to create fonts, aborting...'
        import time
        time.sleep(3)
        exit(1)

    ifont = ImageFont.truetype(fontpath, size)
    size = ifont.getsize(c)
    image = Image.new('RGBA', size)
    draw = ImageDraw.Draw(image)
    draw.text((0, 0), c, font=ifont)

    if crop:
        bg = Image.new(image.mode, image.size, image.getpixel((0, 0)))
        diff = ImageChops.difference(image, bg)
        bbox = diff.getbbox()
        if bbox:
            image = image.crop(bbox)

    if bpp:
        data = list(image.getdata())
        for i in range(len(data)):
            d = 255 / (1<<bpp)
            v = int(round(data[i][0] / (255 / (1<<bpp))) * (255 / ((1<<bpp)-1)))
            data[i] = (v,v,v,v)
        image.putdata(data)
    return ugfx.surface(image.size[0], image.size[1], bypp, image.tobytes())