1 files changed, 16 insertions, 0 deletions
diff --git a/src/platform/graphics/web_canvas/WebCanvasRef.cpp b/src/platform/graphics/web_canvas/WebCanvasRef.cpp
new file mode 100644
index 00000000..c4f75626
--- /dev/null
+++ b/src/platform/graphics/web_canvas/WebCanvasRef.cpp
@@ -0,0 +1,16 @@
+#include "cru/platform/graphics/web_canvas/WebCanvasRef.h"
+#include "cru/platform/web/JsUtility.h"
+
+#include <cassert>
+#include <utility>
+
+namespace cru::platform::graphics::web_canvas {
+WebCanvasRef::WebCanvasRef(emscripten::val canvas_val)
+    : val_(std::move(canvas_val)) {
+  assert(web::IsNotNullAndInstanceOf(val_, "HTMLCanvasElement"));
+}
+
+int WebCanvasRef::GetWidth() const { return val_["width"].as<int>(); }
+
+int WebCanvasRef::GetHeight() const { return val_["height"].as<int>(); }
+}  // namespace cru::platform::graphics::web_canvas