579 lines
12 KiB
JavaScript
579 lines
12 KiB
JavaScript
define([
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'core/ArrayUtilities',
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'svg/SVGUtilities',
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'svg/SVGShapes',
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'./HandleeFontData',
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], (
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array,
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svg,
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SVGShapes,
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Handlee
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) => {
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'use strict';
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// TODO:
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// * arrows
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// * fade starter/terminator sometimes does not fully cover line
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// * blocks (if/else/repeat/ref)
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const FONT = Handlee.name;
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const FONT_FAMILY = '"' + FONT + '",cursive';
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const LINE_HEIGHT = 1.5;
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function deepCopy(o) {
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if(typeof o !== 'object' || !o) {
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return o;
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}
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const r = {};
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for(let k in o) {
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if(o.hasOwnProperty(k)) {
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r[k] = deepCopy(o[k]);
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}
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}
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return r;
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}
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const SETTINGS = {
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titleMargin: 10,
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outerMargin: 5,
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agentMargin: 10,
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actionMargin: 10,
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minActionMargin: 3,
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agentLineHighlightRadius: 4,
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agentCap: {
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box: {
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padding: {
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top: 5,
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left: 10,
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right: 10,
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bottom: 5,
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},
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arrowBottom: 5 + 12 * 1.3 / 2,
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labelAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 12,
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'line-height': LINE_HEIGHT,
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'text-anchor': 'middle',
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},
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boxRenderer: null,
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},
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cross: {
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size: 15,
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render: null,
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},
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bar: {
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height: 6,
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render: null,
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},
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fade: {
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width: 8,
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height: 6,
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},
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none: {
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height: 10,
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},
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},
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connect: {
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loopbackRadius: 6,
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lineAttrs: {
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'solid': {
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'fill': 'none',
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'stroke': '#000000',
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'stroke-width': 1,
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},
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'dash': {
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'fill': 'none',
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'stroke': '#000000',
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'stroke-width': 1,
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'stroke-dasharray': '4, 2',
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},
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'wave': {
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'fill': 'none',
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'stroke': '#000000',
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'stroke-width': 1,
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'stroke-linejoin': 'round',
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'stroke-linecap': 'round',
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'wave-width': 6,
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'wave-height': 0.5,
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},
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},
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arrow: {
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single: {
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width: 5,
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height: 10,
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attrs: {
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'fill': '#000000',
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'stroke-width': 0,
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'stroke-linejoin': 'miter',
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},
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},
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double: {
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width: 4,
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height: 6,
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attrs: {
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'fill': 'none',
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'stroke': '#000000',
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'stroke-width': 1,
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'stroke-linejoin': 'miter',
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},
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},
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},
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label: {
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padding: 6,
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margin: {top: 2, bottom: 1},
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attrs: {
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'font-family': FONT_FAMILY,
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'font-size': 8,
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'line-height': LINE_HEIGHT,
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'text-anchor': 'middle',
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},
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loopbackAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 8,
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'line-height': LINE_HEIGHT,
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},
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},
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mask: {
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padding: {
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top: 0,
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left: 3,
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right: 3,
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bottom: 1,
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},
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},
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},
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block: {
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margin: {
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top: 0,
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bottom: 0,
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},
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modes: {
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'ref': {
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boxAttrs: {
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'fill': '#FFFFFF',
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'stroke': '#000000',
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'stroke-width': 1.5,
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'rx': 2,
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'ry': 2,
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},
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},
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'': {
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boxAttrs: {
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'fill': 'none',
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'stroke': '#000000',
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'stroke-width': 1.5,
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'rx': 2,
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'ry': 2,
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},
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},
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},
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section: {
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padding: {
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top: 3,
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bottom: 2,
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},
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mode: {
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padding: {
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top: 1,
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left: 3,
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right: 3,
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bottom: 0,
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},
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boxAttrs: {
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'fill': '#FFFFFF',
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'stroke': '#000000',
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'stroke-width': 1,
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'rx': 2,
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'ry': 2,
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},
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labelAttrs: {
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'font-family': FONT_FAMILY,
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'font-weight': 'bold',
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'font-size': 9,
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'line-height': LINE_HEIGHT,
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'text-anchor': 'left',
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},
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},
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label: {
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padding: {
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top: 1,
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left: 5,
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right: 3,
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bottom: 0,
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},
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labelAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 8,
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'line-height': LINE_HEIGHT,
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'text-anchor': 'left',
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},
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},
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},
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separator: {
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attrs: {
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'stroke': '#000000',
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'stroke-width': 1.5,
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'stroke-dasharray': '4, 2',
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},
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},
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},
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titleAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 20,
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'line-height': LINE_HEIGHT,
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'text-anchor': 'middle',
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'class': 'title',
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},
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agentLineAttrs: {
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'fill': 'none',
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'stroke': '#000000',
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'stroke-width': 1,
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},
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};
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const NOTES = {
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'text': {
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margin: {top: 0, left: 2, right: 2, bottom: 0},
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padding: {top: 2, left: 2, right: 2, bottom: 2},
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overlap: {left: 10, right: 10},
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boxRenderer: SVGShapes.renderBox.bind(null, {
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'fill': '#FFFFFF',
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}),
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labelAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 8,
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'line-height': LINE_HEIGHT,
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},
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},
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'note': {
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margin: {top: 0, left: 5, right: 5, bottom: 0},
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padding: {top: 5, left: 5, right: 10, bottom: 5},
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overlap: {left: 10, right: 10},
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boxRenderer: null,
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labelAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 8,
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'line-height': LINE_HEIGHT,
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},
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},
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'state': {
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margin: {top: 0, left: 5, right: 5, bottom: 0},
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padding: {top: 7, left: 7, right: 7, bottom: 7},
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overlap: {left: 10, right: 10},
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boxRenderer: null,
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labelAttrs: {
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'font-family': FONT_FAMILY,
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'font-size': 8,
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'line-height': LINE_HEIGHT,
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},
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},
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};
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class Random {
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// xorshift+ 64-bit random generator
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// https://en.wikipedia.org/wiki/Xorshift
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constructor() {
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this.s = new Uint32Array(4);
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}
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reset() {
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// Arbitrary random seed with roughly balanced 1s / 0s
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// (taken from running Math.random a few times)
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this.s[0] = 0x177E9C74;
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this.s[1] = 0xAE6FFDCE;
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this.s[2] = 0x3CF4F32B;
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this.s[3] = 0x46449F88;
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}
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nextFloat() {
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/* jshint -W016 */ // bit-operations are part of the algorithm
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const range = 0x100000000;
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let x0 = this.s[0];
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let x1 = this.s[1];
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const y0 = this.s[2];
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const y1 = this.s[3];
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this.s[0] = y0;
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this.s[1] = y1;
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x0 ^= (x0 << 23) | (x1 >>> 9);
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x1 ^= (x1 << 23);
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this.s[2] = x0 ^ y0 ^ (x0 >>> 17) ^ (y0 >>> 26);
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this.s[3] = (
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x1 ^ y1 ^
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(x0 << 15 | x1 >>> 17) ^
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(y0 << 6 | y1 >>> 26)
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);
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return (((this.s[3] + y1) >>> 0) % range) / range;
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}
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}
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const RIGHT = {};
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const LEFT = {};
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class SketchTheme {
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constructor(handedness = RIGHT) {
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if(handedness === RIGHT) {
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this.name = 'sketch';
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this.handedness = 1;
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} else {
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this.name = 'sketch left handed';
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this.handedness = -1;
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}
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this.random = new Random();
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Object.assign(this, deepCopy(SETTINGS));
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this.notes = deepCopy(NOTES);
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this.agentCap.cross.render = this.renderCross.bind(this);
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this.agentCap.bar.render = this.renderBar.bind(this);
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this.agentCap.box.boxRenderer = this.renderBox.bind(this);
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this.notes.note.boxRenderer = this.renderNote.bind(this);
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this.notes.state.boxRenderer = this.renderState.bind(this);
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}
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reset() {
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this.random.reset();
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}
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addDefs(builder) {
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builder('sketch_font', () => {
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const style = document.createElement('style');
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// For some uses, it is fine to load this font externally,
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// but this fails when exporting as SVG / PNG (svg tags must
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// have no external dependencies).
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// const url = 'https://fonts.googleapis.com/css?family=' + FONT;
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// style.innerText = '@import url("' + url + '")';
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style.innerText = (
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'@font-face{' +
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'font-family:"' + Handlee.name + '";' +
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'src:url("data:font/woff2;base64,' + Handlee.woff2 + '");' +
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'}'
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);
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return style;
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});
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}
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vary(range) {
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if(!range) {
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return 0;
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}
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// cosine distribution [-pi/2 pi/2] scaled to [-range range]
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// int(cos(x))dx = sin(x)
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// from -pi/2: sin(x) - sin(-pi/2) = sin(x) + 1
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// total: sin(pi/2) + 1 = 2
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// normalise to area 1: /2
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// (sin(x) + 1) / 2
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// inverse: p = (sin(x) + 1) / 2
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// asin(2p - 1) = x
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// normalise range
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// x = asin(2p - 1) * range / (pi/2)
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const rand = this.random.nextFloat(); // [0 1)
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return Math.asin(rand * 2 - 1) * 2 * range / Math.PI;
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}
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lineNodes(p1, p2, {var1 = 1, var2 = 1, move = true}) {
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const length = Math.sqrt(
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(p2.x - p1.x) * (p2.x - p1.x) +
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(p2.y - p1.y) * (p2.y - p1.y)
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);
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const rough = Math.min(Math.sqrt(length) * 0.2, 5);
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const x1 = p1.x + this.vary(var1 * rough);
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const y1 = p1.y + this.vary(var1 * rough);
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const x2 = p2.x + this.vary(var2 * rough);
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const y2 = p2.y + this.vary(var2 * rough);
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// -1 = p1 higher, 1 = p2 higher
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const upper = Math.max(-1, Math.min(1,
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(y1 - y2) / (Math.abs(x1 - x2) + 0.001)
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));
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const frac = upper / 6 + 0.5;
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// Line curve is to top / left (simulates right-handed drawing)
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// or top / right (left-handed)
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const curveX = (0.5 + this.vary(0.5)) * rough;
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const curveY = (0.5 + this.vary(0.5)) * rough;
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const xc = x1 * (1 - frac) + x2 * frac - curveX * this.handedness;
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const yc = y1 * (1 - frac) + y2 * frac - curveY;
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const nodes = (
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(move ? ('M' + x1 + ' ' + y1) : '') +
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'C' + xc + ' ' + yc +
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',' + x2 + ' ' + y2 +
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',' + x2 + ' ' + y2
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);
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return {
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nodes,
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p1: {x: x1, y: y1},
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p2: {x: x2, y: y2},
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};
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}
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renderLine(p1, p2, {var1 = 1, var2 = 1}) {
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const line = this.lineNodes(p1, p2, {var1, var2});
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const shape = svg.make('path', {
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'd': line.nodes,
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'stroke': 'rgba(0,0,0,0.7)',
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'stroke-width': 0.8,
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'fill': 'none',
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});
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return shape;
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}
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renderBox({x, y, width, height}, {fill = null} = {}) {
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const lT = this.lineNodes(
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{x, y},
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{x: x + width, y},
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{}
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);
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const lB = this.lineNodes(
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{x: x + width, y: y + height},
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{x, y: y + height},
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{move: false}
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);
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const lR = this.lineNodes(
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lT.p2,
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lB.p1,
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{var1: 0, var2: 0, move: false}
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);
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const lL = this.lineNodes(
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lB.p2,
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lT.p1,
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{var1: 0, var2: 0.3, move: false}
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);
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const shape = svg.make('path', {
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'd': lT.nodes + lR.nodes + lB.nodes + lL.nodes,
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'stroke': 'rgba(0,0,0,0.7)',
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'stroke-width': 0.8,
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'fill': fill || '#FFFFFF',
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});
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return shape;
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}
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renderNote({x, y, width, height}) {
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const flickSize = 5;
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const lT = this.lineNodes(
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{x, y},
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{x: x + width - flickSize, y},
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{}
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);
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const lF = this.lineNodes(
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lT.p2,
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{x: x + width, y: y + flickSize},
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{move: false, var1: 0}
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);
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const lB = this.lineNodes(
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{x: x + width, y: y + height},
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{x, y: y + height},
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{move: false}
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);
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const lR = this.lineNodes(
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lF.p2,
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lB.p1,
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{var1: 0, var2: 0, move: false}
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);
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const lL = this.lineNodes(
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lB.p2,
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lT.p1,
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{var1: 0, var2: 0.3, move: false}
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);
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const lF1 = this.lineNodes(
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lF.p1,
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{x: x + width - flickSize, y: y + flickSize},
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{var1: 0.3}
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);
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const lF2 = this.lineNodes(
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lF1.p2,
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lF.p2,
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{var1: 0, move: false}
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);
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const g = svg.make('g');
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g.appendChild(svg.make('path', {
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'd': (
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lT.nodes +
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lF.nodes +
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lR.nodes +
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lB.nodes +
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lL.nodes
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),
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'stroke': 'rgba(0,0,0,0.7)',
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'stroke-width': 0.8,
|
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'fill': '#FFFFFF',
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}));
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g.appendChild(svg.make('path', {
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'd': lF1.nodes + lF2.nodes,
|
|
'stroke': 'rgba(0,0,0,0.7)',
|
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'stroke-width': 0.8,
|
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'fill': 'none',
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}));
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return g;
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}
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renderState({x, y, width, height}) {
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// TODO: rounded corners
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return this.renderBox({x, y, width, height});
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}
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renderBar({x, y, width, height}) {
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return this.renderBox({x, y, width, height}, {fill: '#000000'});
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}
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renderCross({x, y, radius}) {
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const r1 = (this.vary(0.2) + 1) * radius;
|
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const l1 = this.lineNodes(
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{x: x - r1, y: y - r1},
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{x: x + r1, y: y + r1},
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{}
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|
);
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const r2 = (this.vary(0.2) + 1) * radius;
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const l2 = this.lineNodes(
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{x: x + r2, y: y - r2},
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{x: x - r2, y: y + r2},
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{}
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|
);
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return svg.make('path', {
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'd': l1.nodes + l2.nodes,
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'stroke': 'rgba(0,0,0,0.7)',
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'stroke-width': 0.8,
|
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'fill': 'none',
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});
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}
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getNote(type) {
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return this.notes[type];
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}
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|
|
drawAgentLine(container, {x, y0, y1, width, className}) {
|
|
if(width > 0) {
|
|
const shape = this.renderBox({
|
|
x: x - width / 2,
|
|
y: y0,
|
|
width,
|
|
height: y1 - y0,
|
|
}, {fill: 'none'});
|
|
shape.setAttribute('class', className);
|
|
container.appendChild(shape);
|
|
} else {
|
|
const shape = this.renderLine(
|
|
{x, y: y0},
|
|
{x, y: y1},
|
|
{}
|
|
);
|
|
shape.setAttribute('class', className);
|
|
container.appendChild(shape);
|
|
}
|
|
}
|
|
}
|
|
|
|
SketchTheme.RIGHT = RIGHT;
|
|
SketchTheme.LEFT = LEFT;
|
|
|
|
return SketchTheme;
|
|
});
|