diff options
Diffstat (limited to 'src/resources/generate-img.py')
-rwxr-xr-x | src/resources/generate-img.py | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/resources/generate-img.py b/src/resources/generate-img.py new file mode 100755 index 00000000..cdbfc030 --- /dev/null +++ b/src/resources/generate-img.py @@ -0,0 +1,56 @@ +#!/usr/bin/env python + +import io +import sys +import json +import shutil +import typing +import os.path +import argparse +import subprocess + +def gen_lvconv_line(lv_img_conv: str, dest: str, color_format: str, output_format: str, binary_format: str, sources: str): + args = [lv_img_conv, sources, '--force', '--output-file', dest, '--color-format', color_format, '--output-format', output_format, '--binary-format', binary_format] + + return args + +def main(): + ap = argparse.ArgumentParser(description='auto generate LVGL font files from fonts') + ap.add_argument('config', type=str, help='config file to use') + ap.add_argument('-i', '--image', type=str, action='append', help='Choose specific images to generate (default: all)', default=[]) + ap.add_argument('--lv-img-conv', type=str, help='Path to "lv_img_conf" executable', default="lv_img_conv") + args = ap.parse_args() + + if not shutil.which(args.lv_img_conv): + sys.exit(f"Missing lv_img_conv. Make sure it's findable (in PATH) or specify it manually") + if not os.path.exists(args.config): + sys.exit(f'Error: the config file {args.config} does not exist.') + if not os.access(args.config, os.R_OK): + sys.exit(f'Error: the config file {args.config} is not accessible (permissions?).') + with open(args.config, 'r') as fd: + data = json.load(fd) + + images_to_run = set(data.keys()) + + if args.image: + enabled_images = set() + for image in args.image: + enabled_images.add(image[:-2] if image.endswith('.c') else image) + d = enabled_images.difference(images_to_run) + if d: + print(f'Warning: requested image{"s" if len(d)>1 else ""} missing: {" ".join(d)}') + images_to_run = images_to_run.intersection(enabled_images) + + for name in images_to_run: + image = data[name] + if not os.path.exists(image['sources']): + image['sources'] = os.path.join(os.path.dirname(sys.argv[0]), image['sources']) + extension = 'bin' + image.pop('target_path') + line = gen_lvconv_line(args.lv_img_conv, f'{name}.{extension}', **image) + subprocess.check_call(line) + + + +if __name__ == '__main__': + main() |