molstar
Version:
A comprehensive macromolecular library.
116 lines (115 loc) • 5.11 kB
JavaScript
/**
* Copyright (c) 2019-2022 mol* contributors, licensed under MIT, See LICENSE file for more info.
*
* @author Alexander Rose <alexander.rose@weirdbyte.de>
*/
import { __assign } from "tslib";
import { ParamDefinition as PD } from '../../mol-util/param-definition';
import { DrawPass } from './draw';
import { PostprocessingParams } from './postprocessing';
import { MultiSamplePass, MultiSampleParams, MultiSampleHelper } from './multi-sample';
import { Camera } from '../camera';
import { Viewport } from '../camera/util';
import { PixelData } from '../../mol-util/image';
import { CameraHelper, CameraHelperParams } from '../helper/camera-helper';
import { MarkingParams } from './marking';
export var ImageParams = {
transparentBackground: PD.Boolean(false),
dpoitIterations: PD.Numeric(2, { min: 1, max: 10, step: 1 }),
multiSample: PD.Group(MultiSampleParams),
postprocessing: PD.Group(PostprocessingParams),
marking: PD.Group(MarkingParams),
cameraHelper: PD.Group(CameraHelperParams),
};
var ImagePass = /** @class */ (function () {
function ImagePass(webgl, assetManager, renderer, scene, camera, helper, enableWboit, enableDpoit, props) {
this.webgl = webgl;
this.renderer = renderer;
this.scene = scene;
this.camera = camera;
this._width = 0;
this._height = 0;
this._camera = new Camera();
this.props = __assign(__assign({}, PD.getDefaultValues(ImageParams)), props);
this.drawPass = new DrawPass(webgl, assetManager, 128, 128, enableWboit, enableDpoit);
this.multiSamplePass = new MultiSamplePass(webgl, this.drawPass);
this.multiSampleHelper = new MultiSampleHelper(this.multiSamplePass);
this.helper = {
camera: new CameraHelper(webgl, this.props.cameraHelper),
debug: helper.debug,
handle: helper.handle,
};
this.setSize(1024, 768);
}
Object.defineProperty(ImagePass.prototype, "colorTarget", {
get: function () { return this._colorTarget; },
enumerable: false,
configurable: true
});
Object.defineProperty(ImagePass.prototype, "width", {
get: function () { return this._width; },
enumerable: false,
configurable: true
});
Object.defineProperty(ImagePass.prototype, "height", {
get: function () { return this._height; },
enumerable: false,
configurable: true
});
ImagePass.prototype.updateBackground = function () {
var _this = this;
return new Promise(function (resolve) {
_this.drawPass.postprocessing.background.update(_this.camera, _this.props.postprocessing.background, function () {
resolve();
});
});
};
ImagePass.prototype.setSize = function (width, height) {
if (width === this._width && height === this._height)
return;
this._width = width;
this._height = height;
this.drawPass.setSize(width, height);
this.multiSamplePass.syncSize();
};
ImagePass.prototype.setProps = function (props) {
if (props === void 0) { props = {}; }
Object.assign(this.props, props);
if (props.cameraHelper)
this.helper.camera.setProps(props.cameraHelper);
};
ImagePass.prototype.render = function () {
Camera.copySnapshot(this._camera.state, this.camera.state);
Viewport.set(this._camera.viewport, 0, 0, this._width, this._height);
this._camera.update();
var ctx = { renderer: this.renderer, camera: this._camera, scene: this.scene, helper: this.helper };
if (MultiSamplePass.isEnabled(this.props.multiSample)) {
this.multiSampleHelper.render(ctx, this.props, false);
this._colorTarget = this.multiSamplePass.colorTarget;
}
else {
this.drawPass.render(ctx, this.props, false);
this._colorTarget = this.drawPass.getColorTarget(this.props.postprocessing);
}
};
ImagePass.prototype.getImageData = function (width, height, viewport) {
var _a, _b;
this.setSize(width, height);
this.render();
this.colorTarget.bind();
var w = (_a = viewport === null || viewport === void 0 ? void 0 : viewport.width) !== null && _a !== void 0 ? _a : width, h = (_b = viewport === null || viewport === void 0 ? void 0 : viewport.height) !== null && _b !== void 0 ? _b : height;
var array = new Uint8Array(w * h * 4);
if (!viewport) {
this.webgl.readPixels(0, 0, w, h, array);
}
else {
this.webgl.readPixels(viewport.x, height - viewport.y - viewport.height, w, h, array);
}
var pixelData = PixelData.create(array, w, h);
PixelData.flipY(pixelData);
PixelData.divideByAlpha(pixelData);
return new ImageData(new Uint8ClampedArray(array), w, h);
};
return ImagePass;
}());
export { ImagePass };