mirror of
https://github.com/google/blockly.git
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68 lines
1.9 KiB
JavaScript
68 lines
1.9 KiB
JavaScript
/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2019 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Base renderer.
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* @author fenichel@google.com (Rachel Fenichel)
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*/
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'use strict';
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goog.provide('Blockly.blockRendering.Renderer');
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goog.require('Blockly.blockRendering.ConstantProvider');
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goog.require('Blockly.blockRendering.Debug');
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goog.require('Blockly.blockRendering.Drawer');
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goog.require('Blockly.blockRendering.RenderInfo');
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/**
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* The base class for a block renderer.
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* @package
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* @constructor
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*/
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Blockly.blockRendering.Renderer = function() {
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this.constantProvider = Blockly.blockRendering.ConstantProvider;
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this.renderInfo = Blockly.blockRendering.RenderInfo;
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this.drawer = Blockly.blockRendering.Drawer;
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this.debugger = Blockly.blockRendering.Debugger;
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};
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/**
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* Initialize the renderer
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* @package
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*/
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Blockly.blockRendering.Renderer.prototype.init = function() {
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this.constants = new this.constantProvider();
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this.constants.init();
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};
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/**
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* Render the block.
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* @param {!Blockly.BlockSvg} block The block to render.
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* @package
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*/
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Blockly.blockRendering.Renderer.prototype.render = function(block) {
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if (!block.renderingDebugger) {
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block.renderingDebugger = new this.debugger();
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}
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var info = new this.renderInfo(block);
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info.measure();
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new this.drawer(block, info).draw();
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};
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