import colors
[docs]class Bitmap:
"""A rectangular area of colored pixels.
This class contains all the pixel-access functions (lines, fill, text, dots, etc).
Bitmaps are a 2D list of pixels. Each pixel is a tuple of 3 values: red, blue, green in
that order.
"""
def __init__(self, width, height, transparent_color=colors.TRANSPARENT):
"""Create a new bitmap.
Args:
width (int): Pixel width of the bitmap.
height (int): Pixel height of the bitmap.
transparent_color (bool, optional): The pixel value considered to be transparent (default is colors.TRANSPARENT).
"""
# Implemented in C
pass
@property
def width(self):
"""Get the width of the bitmap in pixels."""
# Implemented in C
pass
@property
def height(self):
"""Get the height of the bitmap in pixels."""
# Implemented in C
pass
@property
def transparent_color(self):
"""Get or set the transparent color value.
The default value is None for no-transparency.
"""
# Implemented in C
pass
[docs] def set_pixel(self, x, y, color):
"""Set a single pixel value in the bitmap.
Args:
x (int): The x coordinate,
y (int): The y coordinate,
color (tuple): The color value. Accepts either 24-bit or 16-bit RGB. Will truncate to 16-bit.
"""
# Implemented in C
pass
[docs] def get_pixel(self, x, y):
"""Get the color of a single pixel from the bitmap.
Note that this may be different than the color tuple
set by `set_pixel()` since colors are stored in 16-bit format natively. To compare the color returned
by this function with a 24-bit RGB color, use the `color16()` function.
Example:
::
set_pixel(35, 35, WHITE)
my_color = get_pixel(35, 35)
if my_color == color16(WHITE):
# Found my color!
Args:
x (int): The x coordinate.
y (int): The y coordinate.
Returns:
tuple: The color value.
"""
# Implemented in C
pass
[docs] def clear(self):
"""Clear the Bitmap to BLACK or transparent if set.
"""
# Implemented in C
pass
[docs] def fill(self, color):
"""Fill the Bitmap with the given color.
Args:
color (tuple): The fill color.
"""
# Implemented in C
pass
[docs] def draw_jpg(self, filename, start_x, start_y, x, y, width, height):
"""Draw a JPG file into the bitmap.
Note: JPG file format support is limited to
* Sampling: 4:4:4 (recommended), 4:2:0, or 4:2:2
* Cb/Cr sampling factor: 1
* Y/Cb/Cr or Grayscale
Args:
filename (str): name of the JPG file.
start_x (int, optional): starting corner in the JPG image. Default is 0.
start_y (int, optional): starting corner in the JPG image. Default is 0.
x (int, optional): starting corner on the bitmap. Default is 0.
y (int, optional): starting corner on the bitmap. Default is 0.
width (int, optional): width of the JPG area to use. Default is None for all.
height (int, optional): height of the JPG area to use. Default is None for all.
"""
# Implemented in C
pass
[docs] def draw_rect(self, x1, y1, width, height, color):
"""Draw a rectangle on the bitmap.
Args:
x1 (int): Upper left corner of rectangle.
y1 (int): Upper left corner of rectangle.
width (int): Width of rectangle.
height (int): Height of rectangle.
color (tuple): Color of the rectangle.
"""
# Implemented in C
pass
[docs] def fill_rect(self, x1, y1, width, height, color):
"""Draw a filled rectangle on the bitmap.
Args:
x1 (int): Upper left corner of rectangle.
y1 (int): Upper left corner of rectangle.
width (int): Width of rectangle.
height (int): Height of rectangle.
color (tuple): Color of the rectangle.
"""
# Implemented in C
pass
[docs] def draw_circle(self, x, y, radius, color):
"""Draw a circle on the Bitmap.
Args:
x (int): The starting x coordinate.
y (int): The starting y coordinate.
radius (int): The circle radius.
color (tuple): The circle color.
"""
# Implemented in C
pass
[docs] def fill_circle(self, x, y, radius, color):
"""Draw a filled circle on the Bitmap.
Args:
x (int): The starting x coordinate.
y (int): The starting y coordinate.
radius (int): The circle radius.
color (tuple): The circle color.
"""
# Implemented in C
pass
[docs] def draw_line(self, x1, y1, x2, y2, color):
"""Draw a line on the Bitmap.
Args:
x1 (int): The starting x coordinate.
y1 (int): The starting y coordinate.
x2 (int): The ending x coordinate.
y2 (int): The ending y coordinate.
color (tuple): The line color.
"""
# Implemented in C
pass
[docs] def draw_image(self, bitmap, x=0, y=0, start_x=0,start_y=0,end_x=None,end_y=None):
"""Copy one bitmap onto another.
Args:
bitmap (Bitmap): The bitmap to copy from.
x (int): The destination x coordinate.
y (int): The destination y coordinate.
start_x (int, optional): The starting window on the read-from bitmap. Default is 0.
start_y (int, optional): The starting window on the read-from bitmap. Default is 0.
end_x (int, optional): The ending corner on the read-from bitmap. Default is width.
end_y (int, optional): The ending corner
scale (int, optional): The scaling factor. Default is 1.
"""
# Implemented in C
pass
[docs] def draw_text(self, text, x=0, y=0, color=colors.WHITE, scale=1, background=None,):
"""Draw text or an image onto this Bitmap.
This doesn't do any scrolling or wrap-around if text won't fit.
Args:
text (object): The text to display.
x (int, optional): The x coordinate of upper left corner of text. Default is 0.
y (int, optional): The y coordinate of upper left corner of text. Default is 0.
color (tuple, optional): The text color. Default is (WHITE).
scale (int, optional): The scaling factor. Default is 1.
background (int, optional): The background color. Default is None (Transparent).
"""
# Implemented in C
pass
[docs] @staticmethod
def from_arr(data):
"""Create a Bitmap from a 2D array of integers.
Args:
data (list): 2D list of integers (default color mapping).
"""
# Implemented in C
pass
[docs] @staticmethod
def from_ascii(ascii_img, transparent_color, scale, color_map):
"""Create a Bitmap from a list of ASCII Art row-strings and a color map.
Note:
This function doesn't do error-checking, as it expects to be called with
a properly-formed input generated by ascii_art.py.
Args:
ascii_img (list): list of strings "....###..$$..." to be translated into pixels.
transparent_color (tuple): The pixel value considered to be transparent.
scale (int): The scaling factor.
color_map: dictionary mapping string chars to color tuples.
"""
# Implemented in C
pass