| 60 | } |
| 61 | |
| 62 | static void handleIpcPacket(const IpcPacket& packet, const shared_ptr<BackgroundImagesLoader>& imagesLoader) { |
| 63 | switch (packet.type()) { |
| 64 | case IpcPacket::OpenImage: |
| 65 | case IpcPacket::OpenImageV2: { |
| 66 | const auto info = packet.interpretAsOpenImage(); |
| 67 | imagesLoader->enqueue(toPath(info.imagePath), ensureUtf8(info.channelSelector), info.grabFocus); |
| 68 | break; |
| 69 | } |
| 70 | |
| 71 | case IpcPacket::ReloadImage: { |
| 72 | while (!imageViewerIsReady) {} |
| 73 | const auto info = packet.interpretAsReloadImage(); |
| 74 | sImageViewer->scheduleToUiThread([&, info] { sImageViewer->reloadImage(ensureUtf8(info.imageName), info.grabFocus); }); |
| 75 | |
| 76 | sImageViewer->redraw(); |
| 77 | break; |
| 78 | } |
| 79 | |
| 80 | case IpcPacket::CloseImage: { |
| 81 | while (!imageViewerIsReady) {} |
| 82 | const auto info = packet.interpretAsCloseImage(); |
| 83 | sImageViewer->scheduleToUiThread([&, info] { sImageViewer->removeImage(ensureUtf8(info.imageName)); }); |
| 84 | |
| 85 | sImageViewer->redraw(); |
| 86 | break; |
| 87 | } |
| 88 | |
| 89 | case IpcPacket::UpdateImage: |
| 90 | case IpcPacket::UpdateImageV2: |
| 91 | case IpcPacket::UpdateImageV3: { |
| 92 | while (!imageViewerIsReady) {} |
| 93 | const auto info = packet.interpretAsUpdateImage(); |
| 94 | sImageViewer->scheduleToUiThread([&, info] { |
| 95 | const string imageString = ensureUtf8(info.imageName); |
| 96 | const Box2i bounds = { |
| 97 | {info.x, info.y }, |
| 98 | {info.x + info.width, info.y + info.height}, |
| 99 | }; |
| 100 | |
| 101 | for (int i = 0; i < info.nChannels; ++i) { |
| 102 | sImageViewer->updateImage(imageString, info.grabFocus, info.channelNames[i], bounds, info.imageData[i]); |
| 103 | } |
| 104 | }); |
| 105 | |
| 106 | sImageViewer->redraw(); |
| 107 | break; |
| 108 | } |
| 109 | |
| 110 | case IpcPacket::CreateImage: { |
| 111 | while (!imageViewerIsReady) {} |
| 112 | const auto info = packet.interpretAsCreateImage(); |
| 113 | sImageViewer->scheduleToUiThread([&, info] { |
| 114 | stringstream imageStream; |
| 115 | imageStream << "empty" << " " << info.width << " " << info.height << " " << info.nChannels << " "; |
| 116 | for (int i = 0; i < info.nChannels; ++i) { |
| 117 | // The following lines encode strings by prefixing their length. The reason for using this encoding is to allow |
| 118 | // arbitrary characters, including whitespaces, in the channel names. |
| 119 | imageStream << info.channelNames[i].length() << info.channelNames[i]; |
no test coverage detected