molstar
Version:
A comprehensive macromolecular library.
174 lines • 9.61 kB
JavaScript
"use strict";
/**
* Copyright (c) 2020 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.Image = exports.InterpolationTypeNames = exports.InterpolationTypes = void 0;
var tslib_1 = require("tslib");
var util_1 = require("../../../mol-data/util");
var location_iterator_1 = require("../../../mol-geo/util/location-iterator");
var util_2 = require("../../../mol-gl/renderable/util");
var geometry_1 = require("../../../mol-math/geometry");
var linear_algebra_1 = require("../../../mol-math/linear-algebra");
var mol_util_1 = require("../../../mol-util");
var param_definition_1 = require("../../../mol-util/param-definition");
var base_1 = require("../base");
var color_data_1 = require("../color-data");
var marker_data_1 = require("../marker-data");
var overpaint_data_1 = require("../overpaint-data");
var transparency_data_1 = require("../transparency-data");
var array_1 = require("../../../mol-util/array");
var clipping_data_1 = require("../clipping-data");
var location_1 = require("../../../mol-model/location");
var util_3 = require("../../../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
]);
exports.InterpolationTypes = {
'nearest': 'Nearest',
'catmulrom': 'Catmulrom (Cubic)',
'mitchell': 'Mitchell (Cubic)',
'bspline': 'B-Spline (Cubic)'
};
exports.InterpolationTypeNames = Object.keys(exports.InterpolationTypes);
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 (0, util_1.hashFnv32a)([
image.cornerBuffer.ref.version
]);
}
function fromData(imageTexture, corners, groupTexture) {
var boundingSphere = (0, geometry_1.Sphere3D)();
var currentHash = -1;
var width = imageTexture.width;
var height = imageTexture.height;
var image = {
kind: 'image',
imageTexture: mol_util_1.ValueCell.create(imageTexture),
imageTextureDim: mol_util_1.ValueCell.create(linear_algebra_1.Vec2.create(width, height)),
cornerBuffer: mol_util_1.ValueCell.create(corners),
groupTexture: mol_util_1.ValueCell.create(groupTexture),
get boundingSphere() {
var newHash = hashCode(image);
if (newHash !== currentHash) {
var b = getBoundingSphere(image.cornerBuffer.ref.value);
geometry_1.Sphere3D.copy(boundingSphere, b);
currentHash = newHash;
}
return boundingSphere;
},
};
return image;
}
function update(imageTexture, corners, groupTexture, image) {
var width = imageTexture.width;
var height = imageTexture.height;
mol_util_1.ValueCell.update(image.imageTexture, imageTexture);
mol_util_1.ValueCell.update(image.imageTextureDim, linear_algebra_1.Vec2.set(image.imageTextureDim.ref.value, width, height));
mol_util_1.ValueCell.update(image.cornerBuffer, corners);
mol_util_1.ValueCell.update(image.groupTexture, groupTexture);
return image;
}
function createEmpty(image) {
var imageTexture = (0, util_2.createTextureImage)(0, 4, Uint8Array);
var corners = image ? image.cornerBuffer.ref.value : new Float32Array(8 * 3);
var groupTexture = (0, util_2.createTextureImage)(0, 4, Uint8Array);
return create(imageTexture, corners, groupTexture, image);
}
Image.createEmpty = createEmpty;
Image.Params = (0, tslib_1.__assign)((0, tslib_1.__assign)({}, base_1.BaseGeometry.Params), { interpolation: param_definition_1.ParamDefinition.Select('bspline', param_definition_1.ParamDefinition.objectToOptions(exports.InterpolationTypes)) });
Image.Utils = {
Params: Image.Params,
createEmpty: createEmpty,
createValues: createValues,
createValuesSimple: createValuesSimple,
updateValues: updateValues,
updateBoundingSphere: updateBoundingSphere,
createRenderableState: createRenderableState,
updateRenderableState: updateRenderableState,
createPositionIterator: function () { return (0, location_iterator_1.LocationIterator)(1, 1, 1, function () { return location_1.NullLocation; }); }
};
function createValues(image, transform, locationIt, theme, props) {
var instanceCount = locationIt.instanceCount, groupCount = locationIt.groupCount;
var positionIt = Image.Utils.createPositionIterator(image, transform);
var color = (0, color_data_1.createColors)(locationIt, positionIt, theme.color);
var marker = (0, marker_data_1.createMarkers)(instanceCount * groupCount);
var overpaint = (0, overpaint_data_1.createEmptyOverpaint)();
var transparency = (0, transparency_data_1.createEmptyTransparency)();
var clipping = (0, clipping_data_1.createEmptyClipping)();
var counts = { drawCount: QuadIndices.length, vertexCount: util_3.QuadPositions.length / 3, groupCount: groupCount, instanceCount: instanceCount };
var invariantBoundingSphere = geometry_1.Sphere3D.clone(image.boundingSphere);
var boundingSphere = (0, util_2.calculateTransformBoundingSphere)(invariantBoundingSphere, transform.aTransform.ref.value, instanceCount);
return (0, tslib_1.__assign)((0, tslib_1.__assign)((0, tslib_1.__assign)((0, tslib_1.__assign)((0, tslib_1.__assign)((0, tslib_1.__assign)((0, tslib_1.__assign)((0, tslib_1.__assign)({}, color), marker), overpaint), transparency), clipping), transform), base_1.BaseGeometry.createValues(props, counts)), { aPosition: image.cornerBuffer, aUv: mol_util_1.ValueCell.create(QuadUvs), elements: mol_util_1.ValueCell.create(QuadIndices),
// aGroup is used as a vertex index here, group id is in tGroupTex
aGroup: mol_util_1.ValueCell.create((0, array_1.fillSerial)(new Float32Array(4))), boundingSphere: mol_util_1.ValueCell.create(boundingSphere), invariantBoundingSphere: mol_util_1.ValueCell.create(invariantBoundingSphere), uInvariantBoundingSphere: mol_util_1.ValueCell.create(linear_algebra_1.Vec4.ofSphere(invariantBoundingSphere)), dInterpolation: mol_util_1.ValueCell.create(props.interpolation), uImageTexDim: image.imageTextureDim, tImageTex: image.imageTexture, tGroupTex: image.groupTexture });
}
function createValuesSimple(image, props, colorValue, sizeValue, transform) {
var s = base_1.BaseGeometry.createSimple(colorValue, sizeValue, transform);
var p = (0, tslib_1.__assign)((0, tslib_1.__assign)({}, param_definition_1.ParamDefinition.getDefaultValues(Image.Params)), props);
return createValues(image, s.transform, s.locationIterator, s.theme, p);
}
function updateValues(values, props) {
base_1.BaseGeometry.updateValues(values, props);
mol_util_1.ValueCell.updateIfChanged(values.dInterpolation, props.interpolation);
}
function updateBoundingSphere(values, image) {
var invariantBoundingSphere = geometry_1.Sphere3D.clone(image.boundingSphere);
var boundingSphere = (0, util_2.calculateTransformBoundingSphere)(invariantBoundingSphere, values.aTransform.ref.value, values.instanceCount.ref.value);
if (!geometry_1.Sphere3D.equals(boundingSphere, values.boundingSphere.ref.value)) {
mol_util_1.ValueCell.update(values.boundingSphere, boundingSphere);
}
if (!geometry_1.Sphere3D.equals(invariantBoundingSphere, values.invariantBoundingSphere.ref.value)) {
mol_util_1.ValueCell.update(values.invariantBoundingSphere, invariantBoundingSphere);
mol_util_1.ValueCell.update(values.uInvariantBoundingSphere, linear_algebra_1.Vec4.fromSphere(values.uInvariantBoundingSphere.ref.value, invariantBoundingSphere));
}
}
function createRenderableState(props) {
var state = base_1.BaseGeometry.createRenderableState(props);
state.opaque = false;
return state;
}
function updateRenderableState(state, props) {
base_1.BaseGeometry.updateRenderableState(state, props);
state.opaque = false;
}
})(Image || (Image = {}));
exports.Image = Image;
//
function getBoundingSphere(corners) {
var center = (0, linear_algebra_1.Vec3)();
var extrema = [];
for (var i = 0, il = corners.length; i < il; i += 3) {
var e = linear_algebra_1.Vec3.fromArray((0, linear_algebra_1.Vec3)(), corners, i);
extrema.push(e);
linear_algebra_1.Vec3.add(center, center, e);
}
linear_algebra_1.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 = linear_algebra_1.Vec3.distance(center, e);
if (d > radius)
radius = d;
}
var sphere = geometry_1.Sphere3D.create(center, radius);
geometry_1.Sphere3D.setExtrema(sphere, extrema);
return sphere;
}
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