Import of the watch repository from Pebble

src/apps/draw_lines/appinfo.json

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+{
+  "uuid": "21475b26-299f-4194-8013-eb7ce0bb8e29",
+  "shortName": "draw_lines",
+  "longName": "draw_lines",
+  "companyName": "MakeAwesomeHappen",
+  "versionLabel": "1.0",
+  "sdkVersion": "3",
+  "targetPlatforms": ["basalt", "chalk", "emery"],
+  "watchapp": {
+    "watchface": false
+  },
+  "appKeys": {
+    "dummy": 0
+  },
+  "resources": {
+    "media": []
+  }
+}

src/apps/draw_lines/src/draw_lines.c

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+/*
+ * 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.
+ */
+
+#include <pebble.h>
+
+// Access profiler functions.
+extern void __profiler_init(void);
+extern void __profiler_print_stats(void);
+extern void __profiler_start(void);
+extern void __profiler_stop(void);
+
+static Window *window;
+
+typedef enum {
+  LineDirection_Horizontal,
+  LineDirection_Vertical,
+  LineDirection_Diagonal,
+} LineDirection;
+
+static void prv_draw_lines(GContext *ctx, GRect bounds, uint32_t num_lines, LineDirection dir) {
+  GPoint start, end;
+  switch (dir) {
+    case LineDirection_Horizontal:
+      APP_LOG(APP_LOG_LEVEL_INFO, "Horizontal lines");
+      start = GPoint(bounds.origin.x, bounds.size.h / 2);
+      end = GPoint(bounds.size.w, bounds.size.h / 2);
+      break;
+    case LineDirection_Vertical:
+      APP_LOG(APP_LOG_LEVEL_INFO, "Vertical lines");
+      start = GPoint(bounds.size.w / 2, bounds.origin.y);
+      end = GPoint(bounds.size.w / 2, bounds.size.h);
+      break;
+    case LineDirection_Diagonal:
+      APP_LOG(APP_LOG_LEVEL_INFO, "Diagonal lines");
+      start = bounds.origin;
+      end = GPoint(bounds.size.w, bounds.size.h);
+      break;
+  }
+
+  __profiler_start();
+  for (uint32_t i = 0; i < num_lines; ++i) {
+    graphics_draw_line(ctx, start, end);
+  }
+  __profiler_stop();
+  __profiler_print_stats();
+}
+
+static void prv_update_proc(Layer *layer, GContext *ctx) {
+  static const uint32_t NUM_LINES_TO_DRAW = 10000;
+  GRect bounds = layer_get_bounds(layer);
+
+  prv_draw_lines(ctx, bounds, NUM_LINES_TO_DRAW, LineDirection_Vertical);
+  prv_draw_lines(ctx, bounds, NUM_LINES_TO_DRAW, LineDirection_Horizontal);
+  prv_draw_lines(ctx, bounds, NUM_LINES_TO_DRAW, LineDirection_Diagonal);
+}
+
+static void window_load(Window *window) {
+  Layer *window_layer = window_get_root_layer(window);
+  layer_set_update_proc(window_layer, prv_update_proc);
+}
+
+static void init(void) {
+  __profiler_init();
+  window = window_create();
+  window_set_window_handlers(window, (WindowHandlers) {
+    .load = window_load,
+  });
+  window_stack_push(window, true);
+}
+
+static void deinit(void) {
+  window_destroy(window);
+}
+
+int main(void) {
+  init();
+  app_event_loop();
+  deinit();
+}

src/apps/draw_lines/wscript

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+
+#
+# This file is the default set of rules to compile a Pebble project.
+#
+# Feel free to customize this to your needs.
+#
+
+import os.path
+
+top = '.'
+out = 'build'
+
+def options(ctx):
+    ctx.load('pebble_sdk')
+
+def configure(ctx):
+    ctx.load('pebble_sdk')
+
+def build(ctx):
+    ctx.load('pebble_sdk')
+
+    build_worker = os.path.exists('worker_src')
+    binaries = []
+
+    for p in ctx.env.TARGET_PLATFORMS:
+        ctx.set_env(ctx.all_envs[p])
+        ctx.set_group(ctx.env.PLATFORM_NAME)
+        app_elf='{}/pebble-app.elf'.format(ctx.env.BUILD_DIR)
+        ctx.pbl_program(source=ctx.path.ant_glob('src/**/*.c'),
+        target=app_elf)
+
+        if build_worker:
+            worker_elf='{}/pebble-worker.elf'.format(ctx.env.BUILD_DIR)
+            binaries.append({'platform': p, 'app_elf': app_elf, 'worker_elf': worker_elf})
+            ctx.pbl_worker(source=ctx.path.ant_glob('worker_src/**/*.c'),
+            target=worker_elf)
+        else:
+            binaries.append({'platform': p, 'app_elf': app_elf})
+
+    ctx.set_group('bundle')
+    ctx.pbl_bundle(binaries=binaries, js=ctx.path.ant_glob('src/js/**/*.js'))