sprites_converter.py

Convert a sprite sheet image to python a module for use with indexed bitmap method. The Sprite sheet width and height should be a multiple of sprite width and height. There should be no extra pixels between sprites. All sprites will share the same palette.

See also

• tiny_toasters.py.

Example

# create a sprite sheet with 7 colored sprites 32x32 pixels each
./make_colorbars_bitmap.py 227 32 3 --png sprites.png

# convert the sprite sheet to a python module with 7 sprites
./sprites_converter.py sprites.png 32 32 4 > sprites.py

import tft_config
import sprites
tft = tft_config.config(1)
for i in range(sprites.BITMAPS):
    tft.bitmap(sprites, 0, 0, i)

Usage

usage: sprites_converter.py [-h] [-s] image_file sprite_width sprite_height bits_per_pixel

Convert image file to python module for use with bitmap method.

positional arguments:
image_file      Name of file containing image to convert
sprite_width    Width of sprites in pixels
sprite_height   Height of sprites in pixels
bits_per_pixel  The number of bits to use per pixel (1..8)

optional arguments:
-h, --help      show this help message and exit
-s, --swap      Swap color565 bytes