molstar
Version:
A comprehensive macromolecular library.
171 lines • 8.53 kB
JavaScript
/**
* Copyright (c) 2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
import { __assign } from "tslib";
import { hashFnv32a } from '../../../mol-data/util';
import { LocationIterator } from '../../../mol-geo/util/location-iterator';
import { calculateTransformBoundingSphere, createTextureImage } from '../../../mol-gl/renderable/util';
import { Sphere3D } from '../../../mol-math/geometry';
import { Vec2, Vec4, Vec3 } from '../../../mol-math/linear-algebra';
import { ValueCell } from '../../../mol-util';
import { ParamDefinition as PD } from '../../../mol-util/param-definition';
import { BaseGeometry } from '../base';
import { createColors } from '../color-data';
import { createMarkers } from '../marker-data';
import { createEmptyOverpaint } from '../overpaint-data';
import { createEmptyTransparency } from '../transparency-data';
import { fillSerial } from '../../../mol-util/array';
import { createEmptyClipping } from '../clipping-data';
import { NullLocation } from '../../../mol-model/location';
import { QuadPositions } from '../../../mol-gl/compute/util';
var QuadIndices = new Uint32Array([
0, 1, 2,
1, 3, 2
]);
var QuadUvs = new Float32Array([
0, 1,
0, 0,
1, 1,
1, 0
]);
export var InterpolationTypes = {
'nearest': 'Nearest',
'catmulrom': 'Catmulrom (Cubic)',
'mitchell': 'Mitchell (Cubic)',
'bspline': 'B-Spline (Cubic)'
};
export var InterpolationTypeNames = Object.keys(InterpolationTypes);
export { Image };
var Image;
(function (Image) {
function create(imageTexture, corners, groupTexture, image) {
return image ?
update(imageTexture, corners, groupTexture, image) :
fromData(imageTexture, corners, groupTexture);
}
Image.create = create;
function hashCode(image) {
return hashFnv32a([
image.cornerBuffer.ref.version
]);
}
function fromData(imageTexture, corners, groupTexture) {
var boundingSphere = Sphere3D();
var currentHash = -1;
var width = imageTexture.width;
var height = imageTexture.height;
var image = {
kind: 'image',
imageTexture: ValueCell.create(imageTexture),
imageTextureDim: ValueCell.create(Vec2.create(width, height)),
cornerBuffer: ValueCell.create(corners),
groupTexture: ValueCell.create(groupTexture),
get boundingSphere() {
var newHash = hashCode(image);
if (newHash !== currentHash) {
var b = getBoundingSphere(image.cornerBuffer.ref.value);
Sphere3D.copy(boundingSphere, b);
currentHash = newHash;
}
return boundingSphere;
},
};
return image;
}
function update(imageTexture, corners, groupTexture, image) {
var width = imageTexture.width;
var height = imageTexture.height;
ValueCell.update(image.imageTexture, imageTexture);
ValueCell.update(image.imageTextureDim, Vec2.set(image.imageTextureDim.ref.value, width, height));
ValueCell.update(image.cornerBuffer, corners);
ValueCell.update(image.groupTexture, groupTexture);
return image;
}
function createEmpty(image) {
var imageTexture = createTextureImage(0, 4, Uint8Array);
var corners = image ? image.cornerBuffer.ref.value : new Float32Array(8 * 3);
var groupTexture = createTextureImage(0, 4, Uint8Array);
return create(imageTexture, corners, groupTexture, image);
}
Image.createEmpty = createEmpty;
Image.Params = __assign(__assign({}, BaseGeometry.Params), { interpolation: PD.Select('bspline', PD.objectToOptions(InterpolationTypes)) });
Image.Utils = {
Params: Image.Params,
createEmpty: createEmpty,
createValues: createValues,
createValuesSimple: createValuesSimple,
updateValues: updateValues,
updateBoundingSphere: updateBoundingSphere,
createRenderableState: createRenderableState,
updateRenderableState: updateRenderableState,
createPositionIterator: function () { return LocationIterator(1, 1, 1, function () { return NullLocation; }); }
};
function createValues(image, transform, locationIt, theme, props) {
var instanceCount = locationIt.instanceCount, groupCount = locationIt.groupCount;
var positionIt = Image.Utils.createPositionIterator(image, transform);
var color = createColors(locationIt, positionIt, theme.color);
var marker = createMarkers(instanceCount * groupCount);
var overpaint = createEmptyOverpaint();
var transparency = createEmptyTransparency();
var clipping = createEmptyClipping();
var counts = { drawCount: QuadIndices.length, vertexCount: QuadPositions.length / 3, groupCount: groupCount, instanceCount: instanceCount };
var invariantBoundingSphere = Sphere3D.clone(image.boundingSphere);
var boundingSphere = calculateTransformBoundingSphere(invariantBoundingSphere, transform.aTransform.ref.value, instanceCount);
return __assign(__assign(__assign(__assign(__assign(__assign(__assign(__assign({}, color), marker), overpaint), transparency), clipping), transform), BaseGeometry.createValues(props, counts)), { aPosition: image.cornerBuffer, aUv: ValueCell.create(QuadUvs), elements: ValueCell.create(QuadIndices),
// aGroup is used as a vertex index here, group id is in tGroupTex
aGroup: ValueCell.create(fillSerial(new Float32Array(4))), boundingSphere: ValueCell.create(boundingSphere), invariantBoundingSphere: ValueCell.create(invariantBoundingSphere), uInvariantBoundingSphere: ValueCell.create(Vec4.ofSphere(invariantBoundingSphere)), dInterpolation: ValueCell.create(props.interpolation), uImageTexDim: image.imageTextureDim, tImageTex: image.imageTexture, tGroupTex: image.groupTexture });
}
function createValuesSimple(image, props, colorValue, sizeValue, transform) {
var s = BaseGeometry.createSimple(colorValue, sizeValue, transform);
var p = __assign(__assign({}, PD.getDefaultValues(Image.Params)), props);
return createValues(image, s.transform, s.locationIterator, s.theme, p);
}
function updateValues(values, props) {
BaseGeometry.updateValues(values, props);
ValueCell.updateIfChanged(values.dInterpolation, props.interpolation);
}
function updateBoundingSphere(values, image) {
var invariantBoundingSphere = Sphere3D.clone(image.boundingSphere);
var boundingSphere = calculateTransformBoundingSphere(invariantBoundingSphere, values.aTransform.ref.value, values.instanceCount.ref.value);
if (!Sphere3D.equals(boundingSphere, values.boundingSphere.ref.value)) {
ValueCell.update(values.boundingSphere, boundingSphere);
}
if (!Sphere3D.equals(invariantBoundingSphere, values.invariantBoundingSphere.ref.value)) {
ValueCell.update(values.invariantBoundingSphere, invariantBoundingSphere);
ValueCell.update(values.uInvariantBoundingSphere, Vec4.fromSphere(values.uInvariantBoundingSphere.ref.value, invariantBoundingSphere));
}
}
function createRenderableState(props) {
var state = BaseGeometry.createRenderableState(props);
state.opaque = false;
return state;
}
function updateRenderableState(state, props) {
BaseGeometry.updateRenderableState(state, props);
state.opaque = false;
}
})(Image || (Image = {}));
//
function getBoundingSphere(corners) {
var center = Vec3();
var extrema = [];
for (var i = 0, il = corners.length; i < il; i += 3) {
var e = Vec3.fromArray(Vec3(), corners, i);
extrema.push(e);
Vec3.add(center, center, e);
}
Vec3.scale(center, center, 1 / (corners.length / 3));
var radius = 0;
for (var _i = 0, extrema_1 = extrema; _i < extrema_1.length; _i++) {
var e = extrema_1[_i];
var d = Vec3.distance(center, e);
if (d > radius)
radius = d;
}
var sphere = Sphere3D.create(center, radius);
Sphere3D.setExtrema(sphere, extrema);
return sphere;
}
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