mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-15 06:07:33 +03:00
112 lines
3.2 KiB
Python
112 lines
3.2 KiB
Python
#
|
|
# The Python Imaging Library
|
|
# $Id$
|
|
#
|
|
# WCK-style drawing interface operations
|
|
#
|
|
# History:
|
|
# 2003-12-07 fl created
|
|
# 2005-05-15 fl updated; added to PIL as ImageDraw2
|
|
# 2005-05-15 fl added text support
|
|
# 2005-05-20 fl added arc/chord/pieslice support
|
|
#
|
|
# Copyright (c) 2003-2005 by Secret Labs AB
|
|
# Copyright (c) 2003-2005 by Fredrik Lundh
|
|
#
|
|
# See the README file for information on usage and redistribution.
|
|
#
|
|
|
|
from . import Image, ImageColor, ImageDraw, ImageFont, ImagePath
|
|
|
|
|
|
class Pen(object):
|
|
def __init__(self, color, width=1, opacity=255):
|
|
self.color = ImageColor.getrgb(color)
|
|
self.width = width
|
|
|
|
|
|
class Brush(object):
|
|
def __init__(self, color, opacity=255):
|
|
self.color = ImageColor.getrgb(color)
|
|
|
|
|
|
class Font(object):
|
|
def __init__(self, color, file, size=12):
|
|
# FIXME: add support for bitmap fonts
|
|
self.color = ImageColor.getrgb(color)
|
|
self.font = ImageFont.truetype(file, size)
|
|
|
|
|
|
class Draw(object):
|
|
|
|
def __init__(self, image, size=None, color=None):
|
|
if not hasattr(image, "im"):
|
|
image = Image.new(image, size, color)
|
|
self.draw = ImageDraw.Draw(image)
|
|
self.image = image
|
|
self.transform = None
|
|
|
|
def flush(self):
|
|
return self.image
|
|
|
|
def render(self, op, xy, pen, brush=None):
|
|
# handle color arguments
|
|
outline = fill = None
|
|
width = 1
|
|
if isinstance(pen, Pen):
|
|
outline = pen.color
|
|
width = pen.width
|
|
elif isinstance(brush, Pen):
|
|
outline = brush.color
|
|
width = brush.width
|
|
if isinstance(brush, Brush):
|
|
fill = brush.color
|
|
elif isinstance(pen, Brush):
|
|
fill = pen.color
|
|
# handle transformation
|
|
if self.transform:
|
|
xy = ImagePath.Path(xy)
|
|
xy.transform(self.transform)
|
|
# render the item
|
|
if op == "line":
|
|
self.draw.line(xy, fill=outline, width=width)
|
|
else:
|
|
getattr(self.draw, op)(xy, fill=fill, outline=outline)
|
|
|
|
def settransform(self, offset):
|
|
(xoffset, yoffset) = offset
|
|
self.transform = (1, 0, xoffset, 0, 1, yoffset)
|
|
|
|
def arc(self, xy, start, end, *options):
|
|
self.render("arc", xy, start, end, *options)
|
|
|
|
def chord(self, xy, start, end, *options):
|
|
self.render("chord", xy, start, end, *options)
|
|
|
|
def ellipse(self, xy, *options):
|
|
self.render("ellipse", xy, *options)
|
|
|
|
def line(self, xy, *options):
|
|
self.render("line", xy, *options)
|
|
|
|
def pieslice(self, xy, start, end, *options):
|
|
self.render("pieslice", xy, start, end, *options)
|
|
|
|
def polygon(self, xy, *options):
|
|
self.render("polygon", xy, *options)
|
|
|
|
def rectangle(self, xy, *options):
|
|
self.render("rectangle", xy, *options)
|
|
|
|
def symbol(self, xy, symbol, *options):
|
|
raise NotImplementedError("not in this version")
|
|
|
|
def text(self, xy, text, font):
|
|
if self.transform:
|
|
xy = ImagePath.Path(xy)
|
|
xy.transform(self.transform)
|
|
self.draw.text(xy, text, font=font.font, fill=font.color)
|
|
|
|
def textsize(self, text, font):
|
|
return self.draw.textsize(text, font=font.font)
|