Import of the watch repository from Pebble

tools/resources/waftools/generate_fonts.py

@@ -0,0 +1,81 @@
+# 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)