@itwin/core-frontend
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iTwin.js frontend components
89 lines • 3.68 kB
JavaScript
;
/*---------------------------------------------------------------------------------------------
* Copyright (c) Bentley Systems, Incorporated. All rights reserved.
* See LICENSE.md in the project root for license terms and full copyright notice.
*--------------------------------------------------------------------------------------------*/
/** @packageDocumentation
* @module IModelApp
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.NoRenderApp = exports.NullRenderSystem = exports.NullTarget = void 0;
const core_common_1 = require("@itwin/core-common");
const IModelApp_1 = require("./IModelApp");
const RenderSystem_1 = require("./render/RenderSystem");
const RenderTarget_1 = require("./render/RenderTarget");
const ViewRect_1 = require("./common/ViewRect");
const Symbols_1 = require("./common/internal/Symbols");
/**
* A RenderTarget for applications that must run in environments where WebGL is not present.
* This is typically used in tests.
* @internal
*/
class NullTarget extends RenderTarget_1.RenderTarget {
[Symbols_1._implementationProhibited] = undefined;
get analysisFraction() { return 0; }
set analysisFraction(_fraction) { }
get renderSystem() { return undefined; }
get viewRect() { return new ViewRect_1.ViewRect(); }
get wantInvertBlackBackground() { return false; }
get animationBranches() { return undefined; }
set animationBranches(_branches) { }
onDestroy() { }
reset(_realityMapLayerChanged) { }
changeScene() { }
changeDynamics() { }
changeDecorations() { }
changeRenderPlan() { }
drawFrame(_sceneMilSecElapsed) { }
overrideFeatureSymbology() { }
setHiliteSet() { }
setFlashed() { }
setViewRect() { }
onResized() { }
[Symbol.dispose]() { }
updateViewRect() { return false; }
readPixels() { }
get screenSpaceEffects() { return []; }
set screenSpaceEffects(_effects) { }
}
exports.NullTarget = NullTarget;
/**
* A RenderSystem for applications that must run in environments where WebGL is not present.
* This is typically used in tests.
* @internal
*/
class NullRenderSystem extends RenderSystem_1.RenderSystem {
get isValid() { return false; }
doIdleWork() { return false; }
createTarget() { return new NullTarget(); }
createOffscreenTarget() { return new NullTarget(); }
createGraphic() { return undefined; }
createGraphicList() { return undefined; }
createGraphicBranch() { return undefined; }
createBatch() { return undefined; }
dispose() { }
constructor() { super(); }
createRenderGraphic() { return undefined; }
createGraphicFromTemplate() { return undefined; }
}
exports.NullRenderSystem = NullRenderSystem;
/** A utility class intended for applications (primarily test-runners) that run in environments that lack support for WebGL.
* It installs a [[RenderSystem]] that produces no graphics.
* Use [[NoRenderApp.startup]] instead of [[IModelApp.startup]] to initialize your application frontend.
* You may then use the [[IModelApp]] API as normal.
* @public
*/
class NoRenderApp {
/** Initializes [[IModelApp]] with a [[RenderSystem]] that produces no graphics.
* Use this in place of [[IModelApp.startup]], then proceed to use [[IModelApp]]'s API as normal.
*/
static async startup(opts) {
opts = opts ? opts : {};
opts.renderSys = new NullRenderSystem();
opts.noRender = true;
opts.localization = opts.localization ?? new core_common_1.EmptyLocalization();
await IModelApp_1.IModelApp.startup(opts);
}
}
exports.NoRenderApp = NoRenderApp;
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