|
|
- #
- # 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 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)
|
