Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | 2x 2x 2x 2x 2x 2x 2x 2x 1x 2x 2x 2x 2x 1x | import macro from 'vtk.js/Sources/macros';
import DefaultProtocol from 'vtk.js/Sources/IO/Core/ImageStream/DefaultProtocol';
import ViewStream from 'vtk.js/Sources/IO/Core/ImageStream/ViewStream';
function vtkImageStream(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkImageStream');
// --------------------------------------------------------------------------
// Internal private method
// --------------------------------------------------------------------------
function onImage(data) {
const message = data[0];
if (!message || !message.image) {
return;
}
for (let i = 0; i < model.viewStreams.length; i++) {
model.viewStreams[i].processMessage(message);
}
}
// --------------------------------------------------------------------------
// PublicAPI
// --------------------------------------------------------------------------
publicAPI.setServerAnimationFPS = (maxFPS = 30) => {
let changeDetected = false;
if (model.serverAnimationFPS !== maxFPS) {
model.serverAnimationFPS = maxFPS;
changeDetected = true;
}
if (!model.protocol) {
return Promise.resolve(true);
}
if (changeDetected) {
publicAPI.modified();
}
return model.protocol.setServerAnimationFPS(maxFPS);
};
// --------------------------------------------------------------------------
publicAPI.connect = (session, protocol = DefaultProtocol) => {
if (model.connected || !session || !protocol) {
return;
}
model.protocol = protocol(session);
model.protocol
.subscribeToImageStream(onImage)
.promise // new API in wslink 1.0.5+
.then((subscription) => {
model.renderTopicSubscription = subscription;
model.connected = true;
})
.catch((e) => {
model.connected = false;
console.error(e);
});
};
// --------------------------------------------------------------------------
publicAPI.disconnect = () => {
if (model.protocol && model.connected && model.renderTopicSubscription) {
model.protocol.unsubscribeToImageStream(model.renderTopicSubscription);
model.renderTopicSubscription = null;
}
model.connected = false;
};
// --------------------------------------------------------------------------
publicAPI.registerViewStream = (view) => {
model.viewStreams.push(view);
};
// --------------------------------------------------------------------------
publicAPI.unregisterViewStream = (view) => {
model.viewStreams = model.viewStreams.filter((v) => v !== view);
};
// --------------------------------------------------------------------------
publicAPI.createViewStream = (viewId = '-1', size = [400, 400]) => {
const {
setServerAnimationFPS,
getServerAnimationFPS,
unregisterViewStream,
} = publicAPI;
const viewStream = ViewStream.newInstance({
protocol: model.protocol,
unregisterViewStream,
sharedAPI: {
setServerAnimationFPS,
getServerAnimationFPS,
},
});
viewStream.setViewId(viewId);
viewStream.setSize(size[0], size[1]);
publicAPI.registerViewStream(viewStream);
return viewStream;
};
// --------------------------------------------------------------------------
publicAPI.delete = macro.chain(() => {
while (model.viewStreams.length) {
model.viewStreams.pop().delete();
}
publicAPI.disconnect();
}, publicAPI.delete);
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
// protocol: null,
viewStreams: [],
serverAnimationFPS: -1,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Object methods
macro.obj(publicAPI, model);
macro.get(publicAPI, model, ['serverAnimationFPS', 'protocol']);
// Object specific methods
vtkImageStream(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkImageStream');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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