| 91 | } |
| 92 | |
| 93 | static napi_value StartDrawLoop(napi_env, napi_callback_info) { |
| 94 | if (displayLink == nullptr) { |
| 95 | displayLink = std::make_shared<DisplayLink>([&]() { |
| 96 | Draw(static_cast<int>(drawIndex), static_cast<float>(zoomScale), |
| 97 | static_cast<float>(contentOffsetX), static_cast<float>(contentOffsetY)); |
| 98 | }); |
| 99 | } |
| 100 | displayLink->start(); |
| 101 | return nullptr; |
| 102 | } |
| 103 | |
| 104 | static napi_value StopDrawLoop(napi_env, napi_callback_info) { |
| 105 | if (displayLink != nullptr) { |