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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 | 1x 1x 1x 1x 1x | import macro from 'vtk.js/Sources/macros';
import vtkRenderer from 'vtk.js/Sources/Rendering/Core/Renderer';
import vtkRenderWindow from 'vtk.js/Sources/Rendering/Core/RenderWindow';
import vtkRenderWindowInteractor from 'vtk.js/Sources/Rendering/Core/RenderWindowInteractor';
import vtkInteractorStyleTrackballCamera from 'vtk.js/Sources/Interaction/Style/InteractorStyleTrackballCamera';
import vtkURLExtract from 'vtk.js/Sources/Common/Core/URLExtract';
// Load basic classes for vtk() factory
import 'vtk.js/Sources/Common/Core/Points';
import 'vtk.js/Sources/Common/Core/DataArray';
import 'vtk.js/Sources/Common/DataModel/PolyData';
import 'vtk.js/Sources/Rendering/Core/Actor';
import 'vtk.js/Sources/Rendering/Core/Mapper';
import 'vtk.js/Sources/Rendering/Misc/RenderingAPIs';
// Process arguments from URL
const userParams = vtkURLExtract.extractURLParameters();
const STYLE_CONTAINER = {
margin: '0',
padding: '0',
position: 'absolute',
top: '0',
left: '0',
width: '100%',
height: '100%',
overflow: 'hidden',
};
const STYLE_CONTROL_PANEL = {
position: 'absolute',
left: '25px',
top: '25px',
backgroundColor: 'white',
borderRadius: '5px',
listStyle: 'none',
padding: '5px 10px',
margin: '0',
display: 'block',
border: 'solid 1px black',
maxWidth: 'calc(100% - 70px)',
maxHeight: 'calc(100% - 60px)',
overflow: 'auto',
};
function applyStyle(el, style) {
Object.keys(style).forEach((key) => {
el.style[key] = style[key];
});
}
function vtkFullScreenRenderWindow(publicAPI, model) {
model.classHierarchy.push('vtkFullScreenRenderWindow');
const body = document.querySelector('body');
// Full screen DOM handler
if (!model.rootContainer) {
model.rootContainer = body;
}
if (!model.container) {
model.container = document.createElement('div');
applyStyle(model.container, model.containerStyle || STYLE_CONTAINER);
model.rootContainer.appendChild(model.container);
}
// apply 100% to html and body for fullscreen
if (model.rootContainer === body) {
document.documentElement.style.height = '100%';
body.style.height = '100%';
body.style.padding = '0';
body.style.margin = '0';
}
// VTK renderWindow/renderer
model.renderWindow = vtkRenderWindow.newInstance();
model.renderer = vtkRenderer.newInstance();
model.renderWindow.addRenderer(model.renderer);
// apiSpecificRenderWindow
model.apiSpecificRenderWindow = model.renderWindow.newAPISpecificView(
userParams.viewAPI ?? model.defaultViewAPI
);
model.apiSpecificRenderWindow.setContainer(model.container);
model.renderWindow.addView(model.apiSpecificRenderWindow);
// Interactor
model.interactor = vtkRenderWindowInteractor.newInstance();
model.interactor.setInteractorStyle(
vtkInteractorStyleTrackballCamera.newInstance()
);
model.interactor.setView(model.apiSpecificRenderWindow);
model.interactor.initialize();
model.interactor.bindEvents(model.container);
// Expose background
publicAPI.setBackground = model.renderer.setBackground;
publicAPI.removeController = () => {
const el = model.controlContainer;
if (el) {
el.parentNode.removeChild(el);
}
};
publicAPI.setControllerVisibility = (visible) => {
model.controllerVisibility = visible;
if (model.controlContainer) {
if (visible) {
model.controlContainer.style.display = 'block';
} else {
model.controlContainer.style.display = 'none';
}
}
};
publicAPI.toggleControllerVisibility = () => {
publicAPI.setControllerVisibility(!model.controllerVisibility);
};
publicAPI.addController = (html) => {
model.controlContainer = document.createElement('div');
applyStyle(
model.controlContainer,
model.controlPanelStyle || STYLE_CONTROL_PANEL
);
model.rootContainer.appendChild(model.controlContainer);
model.controlContainer.innerHTML = html;
publicAPI.setControllerVisibility(model.controllerVisibility);
model.rootContainer.addEventListener('keypress', (e) => {
if (String.fromCharCode(e.charCode) === 'c') {
publicAPI.toggleControllerVisibility();
}
});
};
// Update BG color
publicAPI.setBackground(...model.background);
// Representation API
publicAPI.addRepresentation = (representation) => {
representation.getActors().forEach((actor) => {
model.renderer.addActor(actor);
});
};
publicAPI.removeRepresentation = (representation) => {
representation
.getActors()
.forEach((actor) => model.renderer.removeActor(actor));
};
// Properly release GL context
publicAPI.delete = macro.chain(
publicAPI.setContainer,
model.apiSpecificRenderWindow.delete,
publicAPI.delete
);
// Handle window resize
publicAPI.resize = () => {
const dims = model.container.getBoundingClientRect();
const devicePixelRatio = window.devicePixelRatio || 1;
model.apiSpecificRenderWindow.setSize(
Math.floor(dims.width * devicePixelRatio),
Math.floor(dims.height * devicePixelRatio)
);
if (model.resizeCallback) {
model.resizeCallback(dims);
}
model.renderWindow.render();
};
publicAPI.setResizeCallback = (cb) => {
model.resizeCallback = cb;
publicAPI.resize();
};
if (model.listenWindowResize) {
window.addEventListener('resize', publicAPI.resize);
}
publicAPI.resize();
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
background: [0.32, 0.34, 0.43],
containerStyle: null,
controlPanelStyle: null,
// defaultViewAPI: undefined,
listenWindowResize: true,
resizeCallback: null,
controllerVisibility: true,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Object methods
macro.obj(publicAPI, model);
macro.get(publicAPI, model, [
'renderWindow',
'renderer',
'apiSpecificRenderWindow',
'interactor',
'rootContainer',
'container',
'controlContainer',
]);
// Object specific methods
vtkFullScreenRenderWindow(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend);
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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