vtk-js/Sources/Rendering/Core/AbstractImageMapper/index.js at master · Kitware/vtk-js · GitHub

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import macro from 'vtk.js/Sources/macros';
import vtkAbstractMapper3D from 'vtk.js/Sources/Rendering/Core/AbstractMapper3D';
import { createUninitializedBounds } from 'vtk.js/Sources/Common/Core/Math';

// ----------------------------------------------------------------------------
// vtkAbstractImageMapper methods
// ----------------------------------------------------------------------------

function vtkAbstractImageMapper(publicAPI, model) {
  model.classHierarchy.push('vtkAbstractImageMapper');

  publicAPI.getIsOpaque = () => true;

  publicAPI.getCurrentImage = () => null;

  publicAPI.getBoundsForSlice = () => {
    macro.vtkErrorMacro(
      'vtkAbstractImageMapper.getBoundsForSlice - NOT IMPLEMENTED'
    );
    return createUninitializedBounds();
  };
}

// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------

const DEFAULT_VALUES = {
  slice: 0,
  customDisplayExtent: [0, 0, 0, 0, 0, 0],
  useCustomExtents: false,
  backgroundColor: [0, 0, 0, 1],
  colorTextureWidth: 1024,
  opacityTextureWidth: 1024,
  labelOutlineTextureWidth: 1024,
};

// ----------------------------------------------------------------------------

export function extend(publicAPI, model, initialValues = {}) {
  Object.assign(model, DEFAULT_VALUES, initialValues);

  // Build VTK API
  vtkAbstractMapper3D.extend(publicAPI, model, initialValues);

  macro.setGet(publicAPI, model, [
    'slice',
    'useCustomExtents',
    'colorTextureWidth',
    'opacityTextureWidth',
    'labelOutlineTextureWidth',
  ]);
  macro.setGetArray(publicAPI, model, ['customDisplayExtent'], 6);
  macro.setGetArray(publicAPI, model, ['backgroundColor'], 4);

  vtkAbstractImageMapper(publicAPI, model);
}

// ----------------------------------------------------------------------------
export default { extend };