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617 lines
23 KiB
Python
617 lines
23 KiB
Python
# SPDX-License-Identifier: MIT
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# Copyright (c) 2018-2020 The Pybricks Authors
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"""Images and Sounds for Pybricks on ev3dev."""
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from ..parameters import Color
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class Image:
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"""Object representing a graphics image. This can either be an in-memory
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copy of an image or the image displayed on a screen."""
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# Documentation note: This class is also treated as the `screen` object
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# on EV3 so we use |this image| when it would make sense to say "the screen"
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# in that context and it is automatically replaced when the documentation
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# is generated.
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def __init__(self, source, sub=False):
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"""
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Arguments:
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source (str or Image):
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The source of the image.
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If ``source`` is a string, then the image will be loaded from
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the file path given by the string. Only ``.png`` files are
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supported. As a special case, if the string is ``_screen_``,
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the image will be configured to draw directly on the screen.
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If an :class:`Image` is given, the new object will contain a
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copy of the ``source`` image object.
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sub (bool):
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If ``sub`` is ``True``, then the image object will act as a
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sub-image of the ``source`` image (this only works if the type
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of ``source`` is :class:`Image` and not when it is a ``str``).
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Additional keyword arguments ``x1``, ``y1``, ``x2``, ``y2`` are
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needed when ``sub=True``. These specify the top-left and
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bottom-right coordinates in the ``source`` image that will be
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used as the bounds for the sub-image.
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"""
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pass
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@property
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def width(self):
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"""Gets the width of |this image| in pixels."""
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return 0
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@property
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def height(self):
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"""Gets the height of |this image| in pixels."""
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return 0
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def clear(self):
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"""Clears |this image|. All pixels on |this image| will be set to
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:attr:`Color.WHITE <pybricks.parameters.Color.WHITE>`.
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"""
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pass
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def draw_pixel(self, x, y, color=Color.BLACK):
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"""Draws a single pixel on |this image|.
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Arguments:
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x (int): The x coordinate of the pixel.
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y (int): The y coordinate of the pixel.
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color (Color): The color of the pixel.
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"""
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pass
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def draw_line(self, x1, y1, x2, y2, width=1, color=Color.BLACK):
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"""Draws a line on |this image|.
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Arguments:
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x1 (int): The x coordinate of the starting point of the line.
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y1 (int): The y coordinate of the starting point of the line.
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x2 (int): The x coordinate of the ending point of the line.
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y2 (int): The y coordinate of the ending point of the line.
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width (int): The width of the line in pixels.
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color (Color): The color of the line.
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"""
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pass
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def draw_box(self, x1, y1, x2, y2, r=0, fill=False, color=Color.BLACK):
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"""Draws a box on |this image|.
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Arguments:
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x1 (int): The x coordinate of the left side of the box.
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y1 (int): The y coordinate of the top of the box.
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x2 (int): The x coordinate of the right side of the box.
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y2 (int): The y coordinate of the bottom of the box.
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r (int): The radius of the corners of the box.
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fill (bool): If ``True``, the box will be filled with ``color``,
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otherwise only the outline of the box will be drawn.
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color (Color): The color of the box.
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"""
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pass
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def draw_circle(self, x, y, r=0, fill=False, color=Color.BLACK):
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"""Draws a circle on |this image|.
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Arguments:
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x (int): The x coordinate of the center of the circle.
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y (int): The y coordinate of the center of the circle.
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r (int): The radius of the circle.
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fill (bool): If ``True``, the circle will be filled with
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``color``, otherwise only the circumference will be drawn.
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color (Color): The color of the circle.
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"""
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pass
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def draw_image(self, x, y, source, transparent=None):
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"""Draws the ``source`` image on |this image|.
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Arguments:
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x (int):
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The x-axis value where the left side of the image will start.
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y (int):
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The y-axis value where the top of the image will start.
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source (Image or str):
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The source :class:`Image`. If the argument is a string, then
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the ``source`` image is loaded from file.
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transparent (Color):
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The color of ``image`` to treat as transparent or ``None`` for
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no transparency.
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"""
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def load_image(self, source):
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"""Clears this image, then draws the ``source`` image centered in
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|this image|.
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Arguments:
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source (Image or str):
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The source :class:`Image`. If the argument is a string, then
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the ``source`` image is loaded from file.
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"""
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def draw_text(self, x, y, text, text_color=Color.BLACK, background_color=None):
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"""Draws text on |this image|.
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The most recent font set using :meth:`set_font` will be used or
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:data:`Font.DEFAULT` if no font has been set yet.
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Arguments:
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x (int):
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The x-axis value where the left side of the text will start.
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y (int):
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The y-axis value where the top of the text will start.
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text (str):
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The text to draw.
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text_color (Color):
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The color used for drawing the text.
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background_color (Color):
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The color used to fill the rectangle behind the text or ``None``
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for transparent background.
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"""
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pass
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def print(self, *args, sep=' ', end='\n'):
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"""Prints a line of text on |this image|.
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This method works like the builtin ``print()`` function, but it writes
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on |this image| instead.
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You can set the font using :meth:`set_font`. If no font has been set,
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:data:`Font.DEFAULT` will be used. The text is always printed used
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black text with a white background.
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Unlike the builtin ``print()``, the text does not wrap if it is too
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wide to fit on |this image|. It just gets cut off. But if the text would
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go off of the bottom of |this image|, the entire image is scrolled up and
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the text is printed in the new blank area at the bottom of |this image|.
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Arguments:
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* (object):
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Zero or more objects to print.
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sep (str):
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Separator that will be placed between each object that is
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printed.
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end (str):
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End of line that will be printed after the last object.
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"""
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pass
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def set_font(self, font):
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"""Sets the font used for writing on |this image|.
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The font is used for both :meth:`draw_text` and :meth:`print`.
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Arguments:
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font (:class:`Font`):
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The font to use.
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"""
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pass
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@staticmethod
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def empty(width=178, height=128):
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"""empty(width=<screen width>, height=<screen height>)
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Creates a new empty :class:`Image` object.
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Arguments:
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width (int):
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The width of the image in pixels.
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height (int):
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The height of the image in pixels.
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Returns:
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Image:
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A new image with all pixels set to :attr:`Color.WHITE
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<pybricks.parameters.Color.WHITE>`.
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Raises:
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TypeError:
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``width`` or ``height`` is not a number.
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ValueError:
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``width`` or ``height`` is less than 1.
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RuntimeError:
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There was a problem allocating a new image.
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"""
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class Font:
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"""Object that represents a font for writing text."""
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DEFAULT = None # assigned later since we can't use Font() here
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"""The default font."""
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def __init__(self, family=None, size=12, bold=False, monospace=False,
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lang=None, scrip=None):
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"""The font object will be a font that is the "best" match based on the
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parameters given and available fonts installed.
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Arguments:
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family (str):
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The preferred font family or ``None`` to use the default value.
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size (int):
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The preferred font size. Most fonts have sizes between 6 and 24.
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This is the "point" size and not the same as :attr:`height`.
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bold (bool):
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When ``True``, prefer bold fonts.
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monospace (bool):
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When ``True`` prefer monospaced fonts. This is useful for
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aligning multiple rows of text.
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lang (str):
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A language code, such as ``'en'`` or ``'zh-cn'`` or ``None`` to
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use the default language. [#font_lang]_
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script (str):
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A unicode script identifier such as ``'Runr'`` or ``None``.
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.. [#font_lang]
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.. toggle-header::
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:header: Language codes
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Note: Languages depend on installed fonts. Additional language
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codes are possible and some listed language codes may not have
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a satisfactory font.
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- ``'aa'``: Afar
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- ``'af'``: Afrikaans
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- ``'an'``: Aragonese
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- ``'av'``: Avaric
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- ``'ay'``: Aymara
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- ``'az-az'``: Azerbaijani
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- ``'be'``: Belarusian
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- ``'bg'``: Bulgarian
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- ``'bi'``: Bislama
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- ``'bm'``: Bambara
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- ``'br'``: Breton
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- ``'bs'``: Bosnian
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- ``'bua'``: Buriat
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- ``'ca'``: Catalan
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- ``'ce'``: Chechen
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- ``'ch'``: Chamorro
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- ``'co'``: Corsican
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- ``'crh'``: Crimean
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- ``'cs'``: Czech
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- ``'csb'``: Kashubian
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- ``'cy'``: Welsh
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- ``'da'``: Danish
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- ``'de'``: German
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- ``'ee'``: Ewe
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- ``'el'``: Greek
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- ``'en'``: English
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- ``'eo'``: Esperanto
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- ``'es'``: Spanish
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- ``'et'``: Estonian
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- ``'eu'``: Basque
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- ``'ff'``: Fulah
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- ``'fi'``: Finnish
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- ``'fil'``: Filipino
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- ``'fj'``: Fijian
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- ``'fo'``: Faroese
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- ``'fr'``: French
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- ``'fur'``: Friulian
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- ``'fy'``: Western Frisian
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- ``'ga'``: Irish
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- ``'gd'``: Gaelic
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- ``'gl'``: Galician
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- ``'gv'``: Manx
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- ``'ha'``: Hausa
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- ``'haw'``: Hawaiian
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- ``'he'``: Hebrew
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- ``'ho'``: Hiri Motu
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- ``'hr'``: Croatian
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- ``'hsb'``: Upper Sorbian
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- ``'ht'``: Haitian
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- ``'hu'``: Hungarian
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- ``'ia'``: Interlingua
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- ``'id'``: Indonesian
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- ``'ie'``: Interlingue
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- ``'ik'``: Inupiaq
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- ``'io'``: Ido
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- ``'is'``: Icelandic
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- ``'it'``: Italian
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- ``'ja'``: Japanese
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- ``'jv'``: Javanese
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- ``'ki'``: Kikuyu
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- ``'kj'``: Kuanyama
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- ``'kl'``: Kalaallisut
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- ``'ko'``: Korean
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- ``'ku-tr'``: Kurdish
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- ``'kum'``: Kumyk
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- ``'kw'``: Cornish
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- ``'kwm'``: Kwambi
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- ``'la'``: Latin
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- ``'lb'``: Luxembourgish
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- ``'lez'``: Lezghian
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- ``'lg'``: Ganda
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- ``'li'``: Limburgan
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- ``'ln'``: Lingala
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- ``'lt'``: Lithuanian
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- ``'lv'``: Latvian
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- ``'mg'``: Malagasy
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- ``'mh'``: Marshallese
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- ``'mi'``: Maori
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- ``'mk'``: Macedonian
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- ``'mn-mn'``: Mongolian
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- ``'mo'``: Moldavian
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- ``'ms'``: Malay
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- ``'mt'``: Maltese
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- ``'na'``: Nauru
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- ``'nb'``: Norwegian Bokmål
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- ``'nds'``: Low German
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- ``'ng'``: Ndonga
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- ``'nl'``: Dutch
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- ``'nn'``: Norwegian Nynorsk
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- ``'no'``: Norwegian
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- ``'nr'``: South Ndebele
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- ``'nso'``: Northern Sotho
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- ``'nv'``: Navajo
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- ``'ny'``: Chichewa
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- ``'oc'``: Occitan
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- ``'om'``: Oromo
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- ``'os'``: Ossetian
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- ``'pap-an'``: Papiamento, Netherlands Antilles
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- ``'pap-aw'``: Papiamento, Aruba
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- ``'pl'``: Polish
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- ``'pt'``: Portuguese
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- ``'qu'``: Quechua
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- ``'quz'``: Cusco Quechua
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- ``'rm'``: Romansh
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- ``'rn'``: Rundi
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- ``'ro'``: Romanian
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- ``'ru'``: Russian
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- ``'rw'``: Kinyarwanda
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- ``'sc'``: Sardinian
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- ``'sco'``: Scots
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- ``'se'``: Northern Sami
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- ``'sel'``: Selkup
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- ``'sg'``: Sango
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- ``'sk'``: Slovak
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- ``'sl'``: Slovenian
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- ``'sm'``: Samoan
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- ``'sma'``: Southern Sami
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- ``'smj'``: Lule Sami
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- ``'smn'``: Inari Sami
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- ``'sms'``: Skolt Sami
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- ``'sn'``: Shona
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- ``'so'``: Somali
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- ``'sq'``: Albanian
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- ``'sr'``: Serbian
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- ``'ss'``: Swati
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- ``'st'``: Southern Sotho
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- ``'su'``: Sundanese
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- ``'sv'``: Swedish
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- ``'sw'``: Swahili
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- ``'tk'``: Turkmen
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- ``'tl'``: Tagalog
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- ``'tn'``: Tswana
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- ``'to'``: Tonga
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- ``'tr'``: Turkish
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- ``'ts'``: Tsonga
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- ``'ty'``: Tahitian
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- ``'uk'``: Ukrainian
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- ``'uz'``: Uzbek
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- ``'vo'``: Volapük
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- ``'vot'``: Votic
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- ``'wa'``: Walloon
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- ``'wen'``: Sorbian
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- ``'wo'``: Wolof
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- ``'xh'``: Xhosa
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- ``'yap'``: Yapese
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- ``'yi'``: Yiddish
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- ``'za'``: Zhuang
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- ``'zh-cn'``: Chinese, China
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- ``'zh-sg'``: Chinese, Singapore
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- ``'zh-tw'``: Chinese, Taiwan
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- ``'zu'``: Zulu
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"""
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@property
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def family(self):
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"""Gets the family name of the font."""
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return 'Lucida'
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@property
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def style(self):
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"""Gets a string describing the font style.
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Can be "Regular" or "Bold".
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"""
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return 'Regular'
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@property
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def width(self):
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"""Gets the width of the widest character of the font."""
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return 0
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@property
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def height(self):
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"""Gets the height of the font."""
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return 0
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def text_width(self, text):
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"""Gets the width of the text when the text is drawn using this font.
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Arguments:
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text (str):
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The text.
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Returns:
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int:
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The width in pixels.
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"""
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return 0
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def text_height(self, text):
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"""Gets the height of the text when the text is drawn using this font.
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Arguments:
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text (str):
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The text.
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Returns:
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int:
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The height in pixels.
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"""
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return 0
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Font.DEFAULT = Font('Lucida', 12)
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class SoundFile():
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"""Paths to standard EV3 sounds."""
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_BASE_PATH = '/usr/share/sounds/ev3dev/'
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SHOUTING = _BASE_PATH + 'expressions/shouting.wav'
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CHEERING = _BASE_PATH + 'expressions/cheering.wav'
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CRYING = _BASE_PATH + 'expressions/crying.wav'
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OUCH = _BASE_PATH + 'expressions/ouch.wav'
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LAUGHING_2 = _BASE_PATH + 'expressions/laughing_2.wav'
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SNEEZING = _BASE_PATH + 'expressions/sneezing.wav'
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SMACK = _BASE_PATH + 'expressions/smack.wav'
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BOING = _BASE_PATH + 'expressions/boing.wav'
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BOO = _BASE_PATH + 'expressions/boo.wav'
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UH_OH = _BASE_PATH + 'expressions/uh-oh.wav'
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SNORING = _BASE_PATH + 'expressions/snoring.wav'
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KUNG_FU = _BASE_PATH + 'expressions/kung_fu.wav'
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FANFARE = _BASE_PATH + 'expressions/fanfare.wav'
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CRUNCHING = _BASE_PATH + 'expressions/crunching.wav'
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MAGIC_WAND = _BASE_PATH + 'expressions/magic_wand.wav'
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LAUGHING_1 = _BASE_PATH + 'expressions/laughing_1.wav'
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LEFT = _BASE_PATH + 'information/left.wav'
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BACKWARDS = _BASE_PATH + 'information/backwards.wav'
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RIGHT = _BASE_PATH + 'information/right.wav'
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OBJECT = _BASE_PATH + 'information/object.wav'
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COLOR = _BASE_PATH + 'information/color.wav'
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FLASHING = _BASE_PATH + 'information/flashing.wav'
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ERROR = _BASE_PATH + 'information/error.wav'
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ERROR_ALARM = _BASE_PATH + 'information/error_alarm.wav'
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DOWN = _BASE_PATH + 'information/down.wav'
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FORWARD = _BASE_PATH + 'information/forward.wav'
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ACTIVATE = _BASE_PATH + 'information/activate.wav'
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SEARCHING = _BASE_PATH + 'information/searching.wav'
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TOUCH = _BASE_PATH + 'information/touch.wav'
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UP = _BASE_PATH + 'information/up.wav'
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ANALYZE = _BASE_PATH + 'information/analyze.wav'
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STOP = _BASE_PATH + 'information/stop.wav'
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DETECTED = _BASE_PATH + 'information/detected.wav'
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TURN = _BASE_PATH + 'information/turn.wav'
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START = _BASE_PATH + 'information/start.wav'
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MORNING = _BASE_PATH + 'communication/morning.wav'
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|
EV3 = _BASE_PATH + 'communication/ev3.wav'
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|
GO = _BASE_PATH + 'communication/go.wav'
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|
GOOD_JOB = _BASE_PATH + 'communication/good_job.wav'
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|
OKEY_DOKEY = _BASE_PATH + 'communication/okey-dokey.wav'
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|
GOOD = _BASE_PATH + 'communication/good.wav'
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NO = _BASE_PATH + 'communication/no.wav'
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|
THANK_YOU = _BASE_PATH + 'communication/thank_you.wav'
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|
YES = _BASE_PATH + 'communication/yes.wav'
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|
GAME_OVER = _BASE_PATH + 'communication/game_over.wav'
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|
OKAY = _BASE_PATH + 'communication/okay.wav'
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|
SORRY = _BASE_PATH + 'communication/sorry.wav'
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|
BRAVO = _BASE_PATH + 'communication/bravo.wav'
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|
GOODBYE = _BASE_PATH + 'communication/goodbye.wav'
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|
HI = _BASE_PATH + 'communication/hi.wav'
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|
HELLO = _BASE_PATH + 'communication/hello.wav'
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|
MINDSTORMS = _BASE_PATH + 'communication/mindstorms.wav'
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|
LEGO = _BASE_PATH + 'communication/lego.wav'
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|
FANTASTIC = _BASE_PATH + 'communication/fantastic.wav'
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|
SPEED_IDLE = _BASE_PATH + 'movements/speed_idle.wav'
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|
SPEED_DOWN = _BASE_PATH + 'movements/speed_down.wav'
|
|
SPEED_UP = _BASE_PATH + 'movements/speed_up.wav'
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|
BROWN = _BASE_PATH + 'colors/brown.wav'
|
|
GREEN = _BASE_PATH + 'colors/green.wav'
|
|
BLACK = _BASE_PATH + 'colors/black.wav'
|
|
WHITE = _BASE_PATH + 'colors/white.wav'
|
|
RED = _BASE_PATH + 'colors/red.wav'
|
|
BLUE = _BASE_PATH + 'colors/blue.wav'
|
|
YELLOW = _BASE_PATH + 'colors/yellow.wav'
|
|
TICK_TACK = _BASE_PATH + 'mechanical/tick_tack.wav'
|
|
HORN_1 = _BASE_PATH + 'mechanical/horn_1.wav'
|
|
BACKING_ALERT = _BASE_PATH + 'mechanical/backing_alert.wav'
|
|
MOTOR_IDLE = _BASE_PATH + 'mechanical/motor_idle.wav'
|
|
AIR_RELEASE = _BASE_PATH + 'mechanical/air_release.wav'
|
|
AIRBRAKE = _BASE_PATH + 'mechanical/airbrake.wav'
|
|
RATCHET = _BASE_PATH + 'mechanical/ratchet.wav'
|
|
MOTOR_STOP = _BASE_PATH + 'mechanical/motor_stop.wav'
|
|
HORN_2 = _BASE_PATH + 'mechanical/horn_2.wav'
|
|
LASER = _BASE_PATH + 'mechanical/laser.wav'
|
|
SONAR = _BASE_PATH + 'mechanical/sonar.wav'
|
|
MOTOR_START = _BASE_PATH + 'mechanical/motor_start.wav'
|
|
INSECT_BUZZ_2 = _BASE_PATH + 'animals/insect_buzz_2.wav'
|
|
ELEPHANT_CALL = _BASE_PATH + 'animals/elephant_call.wav'
|
|
SNAKE_HISS = _BASE_PATH + 'animals/snake_hiss.wav'
|
|
DOG_BARK_2 = _BASE_PATH + 'animals/dog_bark_2.wav'
|
|
DOG_WHINE = _BASE_PATH + 'animals/dog_whine.wav'
|
|
INSECT_BUZZ_1 = _BASE_PATH + 'animals/insect_buzz_1.wav'
|
|
DOG_SNIFF = _BASE_PATH + 'animals/dog_sniff.wav'
|
|
T_REX_ROAR = _BASE_PATH + 'animals/t-rex_roar.wav'
|
|
INSECT_CHIRP = _BASE_PATH + 'animals/insect_chirp.wav'
|
|
DOG_GROWL = _BASE_PATH + 'animals/dog_growl.wav'
|
|
SNAKE_RATTLE = _BASE_PATH + 'animals/snake_rattle.wav'
|
|
DOG_BARK_1 = _BASE_PATH + 'animals/dog_bark_1.wav'
|
|
CAT_PURR = _BASE_PATH + 'animals/cat_purr.wav'
|
|
EIGHT = _BASE_PATH + 'numbers/eight.wav'
|
|
SEVEN = _BASE_PATH + 'numbers/seven.wav'
|
|
SIX = _BASE_PATH + 'numbers/six.wav'
|
|
FOUR = _BASE_PATH + 'numbers/four.wav'
|
|
TEN = _BASE_PATH + 'numbers/ten.wav'
|
|
ONE = _BASE_PATH + 'numbers/one.wav'
|
|
TWO = _BASE_PATH + 'numbers/two.wav'
|
|
THREE = _BASE_PATH + 'numbers/three.wav'
|
|
ZERO = _BASE_PATH + 'numbers/zero.wav'
|
|
FIVE = _BASE_PATH + 'numbers/five.wav'
|
|
NINE = _BASE_PATH + 'numbers/nine.wav'
|
|
READY = _BASE_PATH + 'system/ready.wav'
|
|
CONFIRM = _BASE_PATH + 'system/confirm.wav'
|
|
GENERAL_ALERT = _BASE_PATH + 'system/general_alert.wav'
|
|
CLICK = _BASE_PATH + 'system/click.wav'
|
|
OVERPOWER = _BASE_PATH + 'system/overpower.wav'
|
|
|
|
|
|
class ImageFile():
|
|
"""Paths to standard EV3 images."""
|
|
|
|
_BASE_PATH = '/usr/share/images/ev3dev/mono/'
|
|
RIGHT = _BASE_PATH + 'information/right.png'
|
|
FORWARD = _BASE_PATH + 'information/forward.png'
|
|
ACCEPT = _BASE_PATH + 'information/accept.png'
|
|
QUESTION_MARK = _BASE_PATH + 'information/question_mark.png'
|
|
STOP_1 = _BASE_PATH + 'information/stop_1.png'
|
|
LEFT = _BASE_PATH + 'information/left.png'
|
|
DECLINE = _BASE_PATH + 'information/decline.png'
|
|
THUMBS_DOWN = _BASE_PATH + 'information/thumbs_down.png'
|
|
BACKWARD = _BASE_PATH + 'information/backward.png'
|
|
NO_GO = _BASE_PATH + 'information/no_go.png'
|
|
WARNING = _BASE_PATH + 'information/warning.png'
|
|
STOP_2 = _BASE_PATH + 'information/stop_2.png'
|
|
THUMBS_UP = _BASE_PATH + 'information/thumbs_up.png'
|
|
EV3 = _BASE_PATH + 'lego/ev3.png'
|
|
EV3_ICON = _BASE_PATH + 'lego/ev3_icon.png'
|
|
TARGET = _BASE_PATH + 'objects/target.png'
|
|
BOTTOM_RIGHT = _BASE_PATH + 'eyes/bottom_right.png'
|
|
BOTTOM_LEFT = _BASE_PATH + 'eyes/bottom_left.png'
|
|
EVIL = _BASE_PATH + 'eyes/evil.png'
|
|
CRAZY_2 = _BASE_PATH + 'eyes/crazy_2.png'
|
|
KNOCKED_OUT = _BASE_PATH + 'eyes/knocked_out.png'
|
|
PINCHED_RIGHT = _BASE_PATH + 'eyes/pinched_right.png'
|
|
WINKING = _BASE_PATH + 'eyes/winking.png'
|
|
DIZZY = _BASE_PATH + 'eyes/dizzy.png'
|
|
DOWN = _BASE_PATH + 'eyes/down.png'
|
|
TIRED_MIDDLE = _BASE_PATH + 'eyes/tired_middle.png'
|
|
MIDDLE_RIGHT = _BASE_PATH + 'eyes/middle_right.png'
|
|
SLEEPING = _BASE_PATH + 'eyes/sleeping.png'
|
|
MIDDLE_LEFT = _BASE_PATH + 'eyes/middle_left.png'
|
|
TIRED_RIGHT = _BASE_PATH + 'eyes/tired_right.png'
|
|
PINCHED_LEFT = _BASE_PATH + 'eyes/pinched_left.png'
|
|
PINCHED_MIDDLE = _BASE_PATH + 'eyes/pinched_middle.png'
|
|
CRAZY_1 = _BASE_PATH + 'eyes/crazy_1.png'
|
|
NEUTRAL = _BASE_PATH + 'eyes/neutral.png'
|
|
AWAKE = _BASE_PATH + 'eyes/awake.png'
|
|
UP = _BASE_PATH + 'eyes/up.png'
|
|
TIRED_LEFT = _BASE_PATH + 'eyes/tired_left.png'
|
|
ANGRY = _BASE_PATH + 'eyes/angry.png'
|