Current Dev State

static/js/ketcher2/script/render/options.js

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+/****************************************************************************
+ * Copyright 2017 EPAM Systems
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ***************************************************************************/
+
+var utils = require('../editor/tool/utils');
+var Vec2 = require('../util/vec2');
+
+function defaultOptions(opt) {
+	const scaleFactor = opt.scale || 100;
+
+	if (opt.rotationStep)
+		utils.setFracAngle(opt.rotationStep);
+
+	const labelFontSize = Math.ceil(1.9 * (scaleFactor / 6));
+	const subFontSize = Math.ceil(0.7 * labelFontSize);
+
+	const defaultOptions = {
+		// flags for debugging
+		showAtomIds: false,
+		showBondIds: false,
+		showHalfBondIds: false,
+		showLoopIds: false,
+		// rendering customization flags
+		hideChiralFlag: false,
+		showValenceWarnings: true,
+		autoScale: false, // scale structure to fit into the given view box, used in view mode
+		autoScaleMargin: 0,
+		maxBondLength: 0, // 0 stands for "not specified"
+		atomColoring: true,
+		hideImplicitHydrogen: false,
+		hideTerminalLabels: false,
+		// atoms
+		carbonExplicitly: false,
+		showCharge: true,
+		showHydrogenLabels: 'on',
+		showValence: true,
+		// bonds
+		aromaticCircle: true,
+
+		scale: scaleFactor,
+		zoom: 1.0,
+		offset: new Vec2(),
+
+		lineWidth: scaleFactor / 20,
+		bondSpace: opt.doubleBondWidth || scaleFactor / 7,
+		stereoBond: opt.stereoBondWidth || scaleFactor / 7,
+		subFontSize: subFontSize,
+		font: '30px Arial',
+		fontsz: labelFontSize,
+		fontszsub: subFontSize,
+		fontRLabel: labelFontSize * 1.2,
+		fontRLogic: labelFontSize * 0.7,
+
+		/* styles */
+		lineattr: {
+			'stroke': '#000',
+			'stroke-width': opt.bondThickness || scaleFactor / 20,
+			'stroke-linecap': 'round',
+			'stroke-linejoin': 'round'
+		},
+		/* eslint-enable quote-props */
+		selectionStyle: {
+			fill: '#7f7',
+			stroke: 'none'
+		},
+		highlightStyle: {
+			'stroke': '#0c0',
+			'stroke-width': 0.6 * scaleFactor / 20
+		},
+		sgroupBracketStyle: {
+			'stroke': 'darkgray',
+			'stroke-width': 0.5 * scaleFactor / 20
+		},
+		lassoStyle: {
+			'stroke': 'gray',
+			'stroke-width': '1px'
+		},
+		atomSelectionPlateRadius: labelFontSize * 1.2
+	};
+
+	return Object.assign({}, defaultOptions, opt);
+}
+
+module.exports = defaultOptions;