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bb76d6e12c
* fix: delete MarkerSvg (marker drawer) * fix: delete marker and cursor SVG elements * chore: format * chore: lint
92 lines
2.5 KiB
TypeScript
92 lines
2.5 KiB
TypeScript
/**
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* @license
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* Copyright 2019 Google LLC
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* SPDX-License-Identifier: Apache-2.0
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*/
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// Former goog.module ID: Blockly.zelos.Renderer
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import type {BlockSvg} from '../../block_svg.js';
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import type {BlockStyle} from '../../theme.js';
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import * as blockRendering from '../common/block_rendering.js';
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import type {RenderInfo as BaseRenderInfo} from '../common/info.js';
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import {Renderer as BaseRenderer} from '../common/renderer.js';
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import {ConstantProvider} from './constants.js';
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import {Drawer} from './drawer.js';
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import {RenderInfo} from './info.js';
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import {PathObject} from './path_object.js';
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/**
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* The zelos renderer. This renderer emulates Scratch-style and MakeCode-style
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* rendering.
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*
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* Zelos is the ancient Greek spirit of rivalry and emulation.
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*/
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export class Renderer extends BaseRenderer {
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protected override constants_!: ConstantProvider;
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/**
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* @param name The renderer name.
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*/
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constructor(name: string) {
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super(name);
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}
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/**
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* Create a new instance of the renderer's constant provider.
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*
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* @returns The constant provider.
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*/
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protected override makeConstants_(): ConstantProvider {
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return new ConstantProvider();
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}
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/**
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* Create a new instance of the renderer's render info object.
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*
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* @param block The block to measure.
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* @returns The render info object.
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*/
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protected override makeRenderInfo_(block: BlockSvg): RenderInfo {
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return new RenderInfo(this, block);
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}
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/**
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* Create a new instance of the renderer's drawer.
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*
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* @param block The block to render.
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* @param info An object containing all information needed to render this
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* block.
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* @returns The drawer.
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*/
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protected override makeDrawer_(
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block: BlockSvg,
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info: BaseRenderInfo,
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): Drawer {
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return new Drawer(block, info as RenderInfo);
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}
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/**
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* Create a new instance of a renderer path object.
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*
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* @param root The root SVG element.
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* @param style The style object to use for colouring.
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* @returns The renderer path object.
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*/
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override makePathObject(root: SVGElement, style: BlockStyle): PathObject {
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return new PathObject(root, style, this.getConstants() as ConstantProvider);
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}
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/**
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* Get the current renderer's constant provider. We assume that when this is
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* called, the renderer has already been initialized.
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*
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* @returns The constant provider.
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*/
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override getConstants(): ConstantProvider {
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return this.constants_;
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}
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}
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blockRendering.register('zelos', Renderer);
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