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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 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 | 1x 54x 54x 54x 54x 204x 2x 202x 2x 200x 13x 200x 200x 200x 54x 54x 54x 1091x 45x 1091x 54x 69x 69x 69x 69x 7x 7x 7x 7x 360x 62x 180x 41x 246x 41x 41x 41x 41x 41x 62x 54x 54x 54x 54x 54x 54x 54x 54x 412x 412x 357x 357x 412x 54x 54x 1x 54x 54x 54x 54x 54x 54x 54x 54x 1x | import { mat4 } from 'gl-matrix';
import macro from 'vtk.js/Sources/macros';
import vtkBoundingBox from 'vtk.js/Sources/Common/DataModel/BoundingBox';
import vtkProp3D from 'vtk.js/Sources/Rendering/Core/Prop3D';
import vtkImageProperty from 'vtk.js/Sources/Rendering/Core/ImageProperty';
const { vtkDebugMacro } = macro;
// ----------------------------------------------------------------------------
// vtkImageSlice methods
// ----------------------------------------------------------------------------
function vtkImageSlice(publicAPI, model) {
// Set our className
model.classHierarchy.push('vtkImageSlice');
publicAPI.getActors = () => publicAPI;
publicAPI.getImages = () => publicAPI;
publicAPI.getIsOpaque = () => {
if (model.forceOpaque) {
return true;
}
if (model.forceTranslucent) {
return false;
}
// make sure we have a property
if (!model.property) {
// force creation of a property
publicAPI.getProperty();
}
let isOpaque = model.property.getOpacity() >= 1.0;
// are we using an opaque scalar array, if any?
isOpaque = isOpaque && (!model.mapper || model.mapper.getIsOpaque());
return isOpaque;
};
// Always render during opaque pass, to keep the behavior
// predictable and because depth-peeling kills alpha-blending.
// In the future, the Renderer should render images in layers,
// i.e. where each image will have a layer number assigned to it,
// and the Renderer will do the images in their own pass.
publicAPI.hasTranslucentPolygonalGeometry = () => false;
publicAPI.makeProperty = vtkImageProperty.newInstance;
publicAPI.getProperty = () => {
if (model.property === null) {
model.property = publicAPI.makeProperty();
}
return model.property;
};
publicAPI.getBounds = () => {
Iif (model.mapper === null) {
return model.bounds;
}
// Check for the special case when the mapper's bounds are unknown
const bds = model.mapper.getBounds();
Iif (!bds || bds.length !== 6) {
return bds;
}
// Check for the special case when the actor is empty.
if (bds[0] > bds[1]) {
model.mapperBounds = bds.concat(); // copy the mapper's bounds
model.bounds = [1, -1, 1, -1, 1, -1];
model.boundsMTime.modified();
return bds;
}
// Check if we have cached values for these bounds - we cache the
// values returned by model.mapper.getBounds() and we store the time
// of caching. If the values returned this time are different, or
// the modified time of this class is newer than the cached time,
// then we need to rebuild.
const zip = (rows) => rows[0].map((_, c) => rows.map((row) => row[c]));
if (
!model.mapperBounds ||
!zip([bds, model.mapperBounds]).reduce(
(a, b) => a && b[0] === b[1],
true
) ||
publicAPI.getMTime() > model.boundsMTime.getMTime()
) {
vtkDebugMacro('Recomputing bounds...');
model.mapperBounds = bds.map((x) => x);
publicAPI.computeMatrix();
const tmp4 = new Float64Array(16);
mat4.transpose(tmp4, model.matrix);
vtkBoundingBox.transformBounds(bds, tmp4, model.bounds);
model.boundsMTime.modified();
}
return model.bounds;
};
publicAPI.getBoundsForSlice = (slice, thickness) => {
// Check for the special case when the mapper's bounds are unknown
const bds = model.mapper.getBoundsForSlice(slice, thickness);
// Check for the special case when the actor is empty.
if (!vtkBoundingBox.isValid(bds)) {
return bds;
}
publicAPI.computeMatrix();
const tmp4 = new Float64Array(16);
mat4.transpose(tmp4, model.matrix);
const newBounds = vtkBoundingBox.transformBounds(bds, tmp4);
return newBounds;
};
//----------------------------------------------------------------------------
// Get the minimum X bound
publicAPI.getMinXBound = () => publicAPI.getBounds()[0];
// Get the maximum X bound
publicAPI.getMaxXBound = () => publicAPI.getBounds()[1];
// Get the minimum Y bound
publicAPI.getMinYBound = () => publicAPI.getBounds()[2];
// Get the maximum Y bound
publicAPI.getMaxYBound = () => publicAPI.getBounds()[3];
// Get the minimum Z bound
publicAPI.getMinZBound = () => publicAPI.getBounds()[4];
// Get the maximum Z bound
publicAPI.getMaxZBound = () => publicAPI.getBounds()[5];
publicAPI.getMTime = () => {
let mt = model.mtime;
if (model.property !== null) {
const time = model.property.getMTime();
mt = time > mt ? time : mt;
}
return mt;
};
publicAPI.getRedrawMTime = () => {
let mt = model.mtime;
if (model.mapper !== null) {
let time = model.mapper.getMTime();
mt = time > mt ? time : mt;
if (model.mapper.getInput() !== null) {
// FIXME !!! getInputAlgorithm / getInput
model.mapper.getInputAlgorithm().update();
time = model.mapper.getInput().getMTime();
mt = time > mt ? time : mt;
}
}
if (model.property !== null) {
let time = model.property.getMTime();
mt = time > mt ? time : mt;
if (model.property.getRGBTransferFunction() !== null) {
time = model.property.getRGBTransferFunction().getMTime();
mt = time > mt ? time : mt;
}
}
return mt;
};
publicAPI.getSupportsSelection = () =>
model.mapper ? model.mapper.getSupportsSelection() : false;
}
// ----------------------------------------------------------------------------
// Object factory
// ----------------------------------------------------------------------------
const DEFAULT_VALUES = {
mapper: null,
property: null,
forceOpaque: false,
forceTranslucent: false,
bounds: [...vtkBoundingBox.INIT_BOUNDS],
};
// ----------------------------------------------------------------------------
export function extend(publicAPI, model, initialValues = {}) {
Object.assign(model, DEFAULT_VALUES, initialValues);
// Inheritance
vtkProp3D.extend(publicAPI, model, initialValues);
// vtkTimeStamp
model.boundsMTime = {};
macro.obj(model.boundsMTime);
// Build VTK API
macro.set(publicAPI, model, ['property']);
macro.setGet(publicAPI, model, ['mapper', 'forceOpaque', 'forceTranslucent']);
macro.getArray(publicAPI, model, ['bounds'], 6);
// Object methods
vtkImageSlice(publicAPI, model);
}
// ----------------------------------------------------------------------------
export const newInstance = macro.newInstance(extend, 'vtkImageSlice');
// ----------------------------------------------------------------------------
export default { newInstance, extend };
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