pebble/tools/resources/waftools/generate_fonts.py
2025-01-27 11:38:16 -08:00

81 lines
2.8 KiB
Python

# Copyright 2024 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
from waflib import Task, TaskGen
from resources.types.resource_ball import ResourceBall
def get_font_keys_from_resource_ball(resource_ball_node):
resource_ball = ResourceBall.load(resource_ball_node.abspath())
definitions = (o.definition for o in resource_ball.resource_objects)
font_keys = []
for d in definitions:
if d.type == 'font':
font_keys.append(d.name)
font_keys.extend(d.aliases)
return font_keys
@Task.update_outputs
class generate_font_header(Task.Task):
def run(self):
font_keys = get_font_keys_from_resource_ball(self.inputs[0])
with open(self.outputs[0].abspath(), 'w') as output_file:
output_file.write("#pragma once\n\n")
for key in font_keys:
output_file.write("#define FONT_KEY_{key} "
"\"RESOURCE_ID_{key}\"\n".format(key=key))
# See PBL-9335. We removed this define as it's no longer a complete font. It looked the
# same as Gothic 14, so going forward use that visual lookalike instead.
output_file.write('#define FONT_KEY_FONT_FALLBACK "RESOURCE_ID_GOTHIC_14"\n')
class generate_font_table(Task.Task):
def run(self):
font_keys = get_font_keys_from_resource_ball(self.inputs[0])
with open(self.outputs[0].abspath(), 'w') as output_file:
output_file.write("""
static const struct {
const char *key_name;
ResourceId resource_id;
ResourceId extension_id;
} s_font_resource_keys[] = {
""")
for key in font_keys:
output_file.write(" {{ FONT_KEY_{key}, "
"RESOURCE_ID_{key}, "
"RESOURCE_ID_{key}_EXTENDED }},\n".format(key=key))
output_file.write("};\n")
@TaskGen.feature('generate_fonts')
@TaskGen.before_method('process_source', 'process_rule')
def process_generate_fonts(self):
task = self.create_task('generate_font_header',
self.resource_ball,
self.font_key_header)
if self.font_key_table is not None:
task = self.create_task('generate_font_table',
self.resource_ball,
self.font_key_table)