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+#
+# 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.
+#
+
+
+"""
+(Experimental) WCK-style drawing interface operations
+
+.. seealso:: :py:mod:`PIL.ImageDraw`
+"""
+from __future__ import annotations
+
+from typing import Any, AnyStr, BinaryIO
+
+from . import Image, ImageColor, ImageDraw, ImageFont, ImagePath
+from ._typing import Coords, StrOrBytesPath
+
+
+class Pen:
+ """Stores an outline color and width."""
+
+ def __init__(self, color: str, width: int = 1, opacity: int = 255) -> None:
+ self.color = ImageColor.getrgb(color)
+ self.width = width
+
+
+class Brush:
+ """Stores a fill color"""
+
+ def __init__(self, color: str, opacity: int = 255) -> None:
+ self.color = ImageColor.getrgb(color)
+
+
+class Font:
+ """Stores a TrueType font and color"""
+
+ def __init__(
+ self, color: str, file: StrOrBytesPath | BinaryIO, size: float = 12
+ ) -> None:
+ # FIXME: add support for bitmap fonts
+ self.color = ImageColor.getrgb(color)
+ self.font = ImageFont.truetype(file, size)
+
+
+class Draw:
+ """
+ (Experimental) WCK-style drawing interface
+ """
+
+ def __init__(
+ self,
+ image: Image.Image | str,
+ size: tuple[int, int] | list[int] | None = None,
+ color: float | tuple[float, ...] | str | None = None,
+ ) -> None:
+ if isinstance(image, str):
+ if size is None:
+ msg = "If image argument is mode string, size must be a list or tuple"
+ raise ValueError(msg)
+ image = Image.new(image, size, color)
+ self.draw = ImageDraw.Draw(image)
+ self.image = image
+ self.transform: tuple[float, float, float, float, float, float] | None = None
+
+ def flush(self) -> Image.Image:
+ return self.image
+
+ def render(
+ self,
+ op: str,
+ xy: Coords,
+ pen: Pen | Brush | None,
+ brush: Brush | Pen | None = None,
+ **kwargs: Any,
+ ) -> 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:
+ path = ImagePath.Path(xy)
+ path.transform(self.transform)
+ xy = path
+ # render the item
+ if op in ("arc", "line"):
+ kwargs.setdefault("fill", outline)
+ else:
+ kwargs.setdefault("fill", fill)
+ kwargs.setdefault("outline", outline)
+ if op == "line":
+ kwargs.setdefault("width", width)
+ getattr(self.draw, op)(xy, **kwargs)
+
+ def settransform(self, offset: tuple[float, float]) -> None:
+ """Sets a transformation offset."""
+ (xoffset, yoffset) = offset
+ self.transform = (1, 0, xoffset, 0, 1, yoffset)
+
+ def arc(
+ self,
+ xy: Coords,
+ pen: Pen | Brush | None,
+ start: float,
+ end: float,
+ *options: Any,
+ ) -> None:
+ """
+ Draws an arc (a portion of a circle outline) between the start and end
+ angles, inside the given bounding box.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.arc`
+ """
+ self.render("arc", xy, pen, *options, start=start, end=end)
+
+ def chord(
+ self,
+ xy: Coords,
+ pen: Pen | Brush | None,
+ start: float,
+ end: float,
+ *options: Any,
+ ) -> None:
+ """
+ Same as :py:meth:`~PIL.ImageDraw2.Draw.arc`, but connects the end points
+ with a straight line.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.chord`
+ """
+ self.render("chord", xy, pen, *options, start=start, end=end)
+
+ def ellipse(self, xy: Coords, pen: Pen | Brush | None, *options: Any) -> None:
+ """
+ Draws an ellipse inside the given bounding box.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.ellipse`
+ """
+ self.render("ellipse", xy, pen, *options)
+
+ def line(self, xy: Coords, pen: Pen | Brush | None, *options: Any) -> None:
+ """
+ Draws a line between the coordinates in the ``xy`` list.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.line`
+ """
+ self.render("line", xy, pen, *options)
+
+ def pieslice(
+ self,
+ xy: Coords,
+ pen: Pen | Brush | None,
+ start: float,
+ end: float,
+ *options: Any,
+ ) -> None:
+ """
+ Same as arc, but also draws straight lines between the end points and the
+ center of the bounding box.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.pieslice`
+ """
+ self.render("pieslice", xy, pen, *options, start=start, end=end)
+
+ def polygon(self, xy: Coords, pen: Pen | Brush | None, *options: Any) -> None:
+ """
+ Draws a polygon.
+
+ The polygon outline consists of straight lines between the given
+ coordinates, plus a straight line between the last and the first
+ coordinate.
+
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.polygon`
+ """
+ self.render("polygon", xy, pen, *options)
+
+ def rectangle(self, xy: Coords, pen: Pen | Brush | None, *options: Any) -> None:
+ """
+ Draws a rectangle.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.rectangle`
+ """
+ self.render("rectangle", xy, pen, *options)
+
+ def text(self, xy: tuple[float, float], text: AnyStr, font: Font) -> None:
+ """
+ Draws the string at the given position.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.text`
+ """
+ if self.transform:
+ path = ImagePath.Path(xy)
+ path.transform(self.transform)
+ xy = path
+ self.draw.text(xy, text, font=font.font, fill=font.color)
+
+ def textbbox(
+ self, xy: tuple[float, float], text: AnyStr, font: Font
+ ) -> tuple[float, float, float, float]:
+ """
+ Returns bounding box (in pixels) of given text.
+
+ :return: ``(left, top, right, bottom)`` bounding box
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.textbbox`
+ """
+ if self.transform:
+ path = ImagePath.Path(xy)
+ path.transform(self.transform)
+ xy = path
+ return self.draw.textbbox(xy, text, font=font.font)
+
+ def textlength(self, text: AnyStr, font: Font) -> float:
+ """
+ Returns length (in pixels) of given text.
+ This is the amount by which following text should be offset.
+
+ .. seealso:: :py:meth:`PIL.ImageDraw.ImageDraw.textlength`
+ """
+ return self.draw.textlength(text, font=font.font)