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| 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 | 139x 139x 139x 761x 761x 449x 312x 216x 96x 96x 96x 96x 1x 139x 139x 139x | import macro from 'vtk.js/Sources/macros';
import vtkMath from 'vtk.js/Sources/Common/Core/Math';
import { getPixelWorldHeightAtCoord } from 'vtk.js/Sources/Widgets/Core/WidgetManager';
// ----------------------------------------------------------------------------
function vtkOriginMixin(publicAPI, model) {
const superClass = { ...publicAPI };
publicAPI.translate = (dx, dy, dz) => {
const [x, y, z] = publicAPI.getOriginByReference();
publicAPI.setOrigin(x + dx, y + dy, z + dz);
};
publicAPI.getOrigin = (displayScaleParams) => {
const origin = superClass.getOrigin();
if (!model.offset) {
return origin;
}
if (!displayScaleParams) {
return vtkMath.add(origin, model.offset, origin);
}
const pixelWorldHeight = getPixelWorldHeightAtCoord(
origin,
displayScaleParams
);
const { rendererPixelDims } = displayScaleParams;
const totalSize = Math.min(rendererPixelDims[0], rendererPixelDims[1]);
return vtkMath.multiplyAccumulate(
origin,
model.offset,
totalSize * pixelWorldHeight,
origin
);
};
}
// ----------------------------------------------------------------------------
/**
* offset: optional offset that can be scaled to pixel screen space.
*/
const DEFAULT_VALUES = {
origin: null,
offset: null,
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
macro.setGetArray(publicAPI, model, ['origin', 'offset'], 3);
vtkOriginMixin(publicAPI, model);
}
// ----------------------------------------------------------------------------
export default { extend };
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