blockly/core/renderers/minimalist/renderer.js

Blockly is a library for building visual programming editors.

/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */

/**
 * @fileoverview Minimalist renderer.
 */
'use strict';

/**
 * Minimalist renderer.
 * @class
 */
goog.module('Blockly.minimalist.Renderer');

const blockRendering = goog.require('Blockly.blockRendering');
const object = goog.require('Blockly.utils.object');
/* eslint-disable-next-line no-unused-vars */
const {BlockSvg} = goog.requireType('Blockly.BlockSvg');
const {ConstantProvider} = goog.require('Blockly.minimalist.ConstantProvider');
const {Drawer} = goog.require('Blockly.minimalist.Drawer');
/* eslint-disable-next-line no-unused-vars */
const {RenderInfo: BaseRenderInfo} = goog.requireType('Blockly.blockRendering.RenderInfo');
const {RenderInfo} = goog.require('Blockly.minimalist.RenderInfo');
const {Renderer: BaseRenderer} = goog.require('Blockly.blockRendering.Renderer');


/**
 * The minimalist renderer.
 * @param {string} name The renderer name.
 * @package
 * @constructor
 * @extends {BaseRenderer}
 * @alias Blockly.minimalist.Renderer
 */
const Renderer = function(name) {
  Renderer.superClass_.constructor.call(this, name);
};
object.inherits(Renderer, BaseRenderer);

/**
 * Create a new instance of the renderer's constant provider.
 * @return {!ConstantProvider} The constant provider.
 * @protected
 * @override
 */
Renderer.prototype.makeConstants_ = function() {
  return new ConstantProvider();
};

/**
 * Create a new instance of the renderer's render info object.
 * @param {!BlockSvg} block The block to measure.
 * @return {!RenderInfo} The render info object.
 * @protected
 * @override
 */
Renderer.prototype.makeRenderInfo_ = function(block) {
  return new RenderInfo(this, block);
};

/**
 * Create a new instance of the renderer's drawer.
 * @param {!BlockSvg} block The block to render.
 * @param {!BaseRenderInfo} info An object containing all
 *   information needed to render this block.
 * @return {!Drawer} The drawer.
 * @protected
 * @override
 */
Renderer.prototype.makeDrawer_ = function(block, info) {
  return new Drawer(block, /** @type {!RenderInfo} */ (info));
};

blockRendering.register('minimalist', Renderer);

exports.Renderer = Renderer;