website: major update
This commit is contained in:
Rasmus Andersson
parent
761638ef42
commit
9f367901ef
22 changed files with 2139 additions and 1030 deletions
262
docs/dynmetrics/index.css
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262
docs/dynmetrics/index.css
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body {
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padding-bottom: 0;
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}
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const {
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display: inline;
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font-size: 1.2em;
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font-style: italic;
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font-family: 'Times New Roman', Times, serif;
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}
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sup {
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/*background:lightpink;*/
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display: inline-block;
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font-size:0.92em;
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position: relative;
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top:-0.4em;
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letter-spacing: 0.001em;
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vertical-align: baseline;
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}
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.row.first {
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padding-bottom:1em;
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}
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formula {
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display: inline-flex;
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align-items: center;
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background: white;
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border-radius: 5px;
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padding: 0 1em;
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line-height: 3em;
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height: 3em;
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overflow: hidden;
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margin-right: 1em;
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margin-bottom: 1em;
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}
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.row.white formula {
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background: #f5f5f5;
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}
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formula:last-child {
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margin-right: 0;
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}
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formula.code {
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white-space: pre;
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font-family: "SFMono-Regular", Menlo, Consolas, Inconsolata, monospace;
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font-size:0.96em;
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}
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formula > * {
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margin: 0 0.2em 0 0.2em;
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}
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formula > const {
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margin-bottom: 0.11em;
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}
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formula > sup {
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margin-left: 0;
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}
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.samples {
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display: flex;
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flex-wrap: wrap;
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overflow: auto;
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overflow-wrap: break-word;
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word-break: break-word;
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}
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.samples .sample {
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/*background: lightpink;*/
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color: #111;
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flex: 0 1 auto;
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outline: none;
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margin-right: 50px;
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margin-bottom: 50px;
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}
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.samples .sample .di {
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display: block;
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background-color: #ccc;
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height: 1px;
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width: 100%;
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margin-bottom: 8px;
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}
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.samples .sample .di > span {
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display: block;
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background-color: #333;
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height: 100%;
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}
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.samples .sample .di.match > span {
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background-color: #0d3;
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}
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.samples .sample .di.unavailable {
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background-color: #eee;
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}
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.samples .sample .di.unavailable > span {
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visibility: hidden;
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}
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.samples .sample .info {
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display: block;
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font-size: 11px !important;
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line-height: 11px;
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margin-bottom: 9px;
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color: #bbb;
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}
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.font-style-regular { font-weight:400 !important; font-style:normal !important; }
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.font-style-italic { font-weight:400 !important; font-style:italic !important; }
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.font-style-medium { font-weight:500 !important; font-style:normal !important; }
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.font-style-medium-italic { font-weight:500 !important; font-style:italic !important; }
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.font-style-bold { font-weight:700 !important; font-style:normal !important; }
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.font-style-bold-italic { font-weight:700 !important; font-style:italic !important; }
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.font-style-black { font-weight:900 !important; font-style:normal !important; }
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.font-style-black-italic { font-weight:900 !important; font-style:italic !important; }
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.row.with-sidebar {
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padding: 0;
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}
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.row.with-sidebar > *:first-child {
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flex: 1 1 auto;
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padding: 50px 0 0 50px; /* note: samples have 50px right margin */
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}
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.row.with-sidebar > .sidebar {
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flex: 0 0 auto;
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}
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div.controls {
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box-sizing: border-box;
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width: 250px;
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max-width: 250px;
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flex: 0 0 auto;
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padding: 10px 0;
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border-left: 4px solid #f4f4f4;
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display: flex;
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flex-direction: column;
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overflow: hidden;
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}
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div.controls hr {
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border: none;
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height: 2px;
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background: #f4f4f4;
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margin-top: 10px;
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margin-bottom: 10px;
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}
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div.controls hr.without-bottom-margin { margin-bottom: 0; }
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div.controls hr.without-top-margin { margin-top: 0; }
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div.controls hr.without-margins { margin: 0; }
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div.controls .control {
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display: flex;
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justify-content: space-between;
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align-items: center;
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overflow: hidden;
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height: 30px;
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margin: 0 16px;
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}
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div.controls > h3 {
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margin: 0 16px;
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}
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div.controls > textarea {
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border: none;
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padding:16px;
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height: 400px;
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font-family: "SFMono-Regular", Menlo, Consolas, Inconsolata, monospace;
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outline: none;
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}
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div.controls .control > * {
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/*max-width: 50%;*/
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flex: 1 1 auto;
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margin:0;
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margin-right: 16px;
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box-sizing: border-box;
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}
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div.controls .control > :last-child {
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margin-right: 0;
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}
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div.controls .control > select {
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min-width: 6em;
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align-items: center;
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justify-content: center;
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}
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div.controls .control > input,
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div.controls .control > select {
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width: 0;
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outline: none;
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}
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div.controls .control > input[type="number"],
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div.controls .control > input[type="text"] {
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background: none;
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border: none;
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padding: 4px 0;
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font-size: 13px;
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}
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div.controls .control > input[type="number"] {
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max-width: 60px;
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-moz-font-feature-settings: 'calt' 1, 'zero' 1, 'tnum' 1;
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-ms-font-feature-settings: 'calt' 1, 'zero' 1, 'tnum' 1;
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-o-font-feature-settings: 'calt' 1, 'zero' 1, 'tnum' 1;
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-webkit-font-feature-settings: 'calt' 1, 'zero' 1, 'tnum' 1;
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font-feature-settings: 'calt' 1, 'zero' 1, 'tnum' 1;
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}
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div.controls .control > input[type=number]::-webkit-inner-spin-button,
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div.controls .control > input[type=number]::-webkit-outer-spin-button {
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-webkit-appearance: none;
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margin: 0;
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}
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div.controls .control > input[type="number"][readonly] {
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max-width: 40px;
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}
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div.controls .control > input.wide[type="number"] {
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max-width: 100%;
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}
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div.controls .control > input[type="range"] {
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/*max-width: 80%;*/
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flex: 1 1 auto;
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display: block;
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}
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div.controls .control > img.icon,
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div.controls .control > label {
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font-family: georgia, serif;
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font-style: italic;
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line-height: 16px;
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color: black;
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width: 16px;
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height: 16px;
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flex: 0 0 auto;
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margin-right: 16px;
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opacity: 0.6;
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}
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div.controls canvas {
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height: 200px;
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}
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.row.small-window {
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margin-top:0;
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padding-top:0;
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}
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@media only screen and (min-width: 541px) {
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.small-window {
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display: none;
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}
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}
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@media only screen and (max-width: 540px) {
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.row.with-sidebar {
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overflow: auto;
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}
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div.controls {
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display: none;
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}
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div.controls .graphplot,
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div.controls hr.without-top-margin,
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div.controls h3,
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div.controls #ideal-values
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{
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display: none;
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}
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.row.with-sidebar {
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flex-direction: column;
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}
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}
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522
docs/dynmetrics/index.html
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522
docs/dynmetrics/index.html
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@ -0,0 +1,522 @@
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---
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layout: default
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title: Dynamic Metrics
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---
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{%
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capture url_root
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%}{% if site.safe == false %}/{% else %}/inter/{% endif
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%}{%
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endcapture %}{%
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for file in site.static_files %}{%
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assign _path = file.path | remove_first: "/inter" %}{%
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if _path == "/dynmetrics/index.css" %}{%
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assign index_css_v = file.modified_time | date: "%Y%m%d%H%M%S" %}{%
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elsif _path == "/res/bindings.js" %}{%
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assign bindings_js_v = file.modified_time | date: "%Y%m%d%H%M%S" %}{%
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elsif _path == "/res/graphplot.js" %}{%
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assign graphplot_js_v = file.modified_time | date: "%Y%m%d%H%M%S" %}{%
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endif %}{%
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endfor
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%}
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<link rel="stylesheet" href="index.css?v={{ index_css_v }}">
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<script src="{{url_root}}res/bindings.js?v={{ bindings_js_v }}"></script>
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<script src="{{url_root}}res/graphplot.js?v={{ graphplot_js_v }}"></script>
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<div class="row first"><div>
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<h1>Dynamic Metrics</h1>
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<p>
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There's of course no absolute right or wrong when it comes to expressing
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yourself with typography, but Inter UI Dynamic Metrics provides guidelines
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for <em>good</em> typography.
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You simply provide the optical font size, and the tracking and leading
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(letter spacing and line height) will be calculated using the following
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formula:
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</p>
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<p>
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<formula>
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tracking =
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<const>a</const> + <const>b</const> ×
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<const>e</const><sup>(<const>c</const> × fontSize)</sup>
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</formula>
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<formula>
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leading = <const>l</const> × fontSize
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</formula>
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<formula>
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<const>e</const> ≈ <num>2.718</num>
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</formula>
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</p>
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<p class="small-window">
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<small>View this on a larger screen to enable interactive control.</small>
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</p>
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</div></div>
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<!-- <div class="row small-window"><div>
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Hello
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</div></div> -->
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<div class="white full-width row with-sidebar">
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<div class="samples">
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<p contenteditable class="sample">
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<span class="di"><span></span></span>
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<span class="info"
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title="size, tracking, (ideal tracking) — progress bar shows distance from ideal"
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>15 0.0 ( 0.0 )</span>
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Such a riot of sea and wind strews the whole extent of beach with whatever has been lost or thrown overboard, or torn out of sunken ships. Many a man has made a good week’s work in a single day by what he has found while walking along the Beach when the surf was down.
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</p>
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</div>
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<div class="sidebar controls">
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<div class="control">
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<label title="Number of ideal matches">ni</label>
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<input title="Number of ideal matches" type="number" readonly data-binding="ideal-count">
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<label title="Distance from ideal">di</label>
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<input title="Distance from ideal" type="number" class="wide" readonly data-binding="ideal-distance">
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</div>
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<div class="control">
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<img title="Style" class="icon" src="../samples/icons/style.svg">
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<select data-binding="style">
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<option value="regular" default>Regular</option>
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<option value="italic">Italic</option>
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<option value="medium" default>Medium</option>
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<option value="medium-italic">Medium Italic</option>
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<option value="bold" default>Bold</option>
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<option value="bold-italic">Bold Italic</option>
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<option value="black" default>Black</option>
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<option value="black-italic">Black Italic</option>
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</select>
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</div>
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<div class="control">
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<img title="Base tracking" class="icon" src="../samples/icons/letter-spacing.svg">
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<input type="range" min="-0.05" max="0.06" step="0.001" data-binding="base-tracking">
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<input type="number" min="-0.15" max="1" step="0.001" data-binding="base-tracking">
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</div>
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<hr>
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<div class="control">
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<label title="Constant a">a</label>
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<input type="range" min="-0.05" max="0" step="0.001" data-binding="var-a">
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<input type="number" min="-0.05" max="0" step="0.0001" data-binding="var-a">
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</div>
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<div class="control">
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<label title="Constant b">b</label>
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<input type="range" min="0" max="1" step="0.01" data-binding="var-b">
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<input type="number" min="0" max="1" step="0.001" data-binding="var-b">
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</div>
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<div class="control">
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<label title="Constant c">c</label>
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<input type="range" min="-1" max="0" step="0.01" data-binding="var-c">
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<input type="number" min="-1" max="0" step="0.001" data-binding="var-c">
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</div>
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<hr>
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<div class="control">
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<label title="Constant l controls line height">l</label>
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<input type="range" min="1" max="2" step="0.1" data-binding="var-l">
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<input type="number" min="1" max="2" step="0.1" data-binding="var-l">
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</div>
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<hr class="without-bottom-margin">
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<canvas class="graphplot">Canvas not Supported</canvas>
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<hr class="without-top-margin">
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<h3>Ideal values</h3>
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<textarea id="ideal-values"></textarea>
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<hr class="without-top-margin">
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</div>
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</div>
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<script type="text/javascript">(function(){
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// internal variables that are user-controllable, but are not part of
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// Dynamic Metrics
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var baseTracking = 0
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var weightClass = 400
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// Ideal values designed one by one, by hand.
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// font size => tracking
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var idealValues = {}
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var idealValuesList = []
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var idealValuesTextArea = $('textarea#ideal-values')
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function setIdealValues(valueMap) {
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idealValues = valueMap
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idealValuesList = []
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Object.keys(idealValues).forEach(function(fontSize) {
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idealValuesList.push([fontSize, idealValues[fontSize]])
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})
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if (idealValuesTextArea.value == '') {
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idealValuesTextArea.value = idealValuesList.map(function(t){
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return t[0] + '\t' + t[1]
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}).join('\n')
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}
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}
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function parseValues(s) {
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var values = {}
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s = s.replace(/^[\s\r\t\n]+|[\s\r\t\n]+$/g, '') // trim whitespace
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s.split(/\s*\r?\n\s*/).map(function(line) {
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var t = line.split(/\s+/)
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if (t.length == 2) {
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t[0] = parseInt(t[0])
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t[1] = parseFloat(t[1])
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values[t[0]] = t[1]
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}
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})
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return values
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}
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setIdealValues({
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// set-2018-02-20
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6: 0.055,
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7: 0.044,
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8: 0.034,
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9: 0.024,
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10: 0.018,
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11: 0.012,
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12: 0.007,
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13: 0.003,
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14: 0.001,
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15: -0.002,
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16: -0.004,
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17: -0.006,
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18: -0.008,
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20: -0.01,
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24: -0.013,
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})
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// setIdealValues({
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// // set-2018-02-19
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// 6: 0.059,
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// 7: 0.043,
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// 8: 0.032,
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// 9: 0.022,
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// 10: 0.014,
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// 11: 0.009,
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// 12: 0.004,
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// 13: 0,
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// 14: -0.003,
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// 15: -0.005,
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// 16: -0.0075,
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// 17: -0.0084,
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// 18: -0.0095,
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// 20: -0.012,
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// 24: -0.014,
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// })
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// setIdealValues({
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// // set-2018-02-18
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// 6: 0.06,
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// 7: 0.04,
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// 8: 0.03,
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// 9: 0.02,
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// 10: 0.01,
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// 11: 0.005,
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// 12: 0.002,
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// 13: 0.001,
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// 14: 0,
|
||||
// 15: -0.002,
|
||||
// 16: -0.005,
|
||||
// 17: -0.007,
|
||||
// 18: -0.009,
|
||||
// 20: -0.011,
|
||||
// 24: -0.011,
|
||||
// })
|
||||
|
||||
|
||||
// Variables for constants involved in Dynamic Metrics
|
||||
var a = -0.013
|
||||
// -0.0119
|
||||
// -0.0101
|
||||
// -0.0092
|
||||
// -0.012
|
||||
// -0.013
|
||||
|
||||
var b = 0.23
|
||||
// 0.455
|
||||
// 0.421
|
||||
// 0.26
|
||||
// 0.23
|
||||
// 0.251
|
||||
|
||||
var c = -0.21
|
||||
// -0.29
|
||||
// -0.23
|
||||
// -0.21
|
||||
// -0.222
|
||||
|
||||
// a = -0.012; b = 0.23; c = -0.21; // di=0.002514 on set-2018-02-18
|
||||
// a = -0.013; b = 0.251; c = -0.222 // di=0.001742 on set-2018-02-18
|
||||
// a = -0.015; b = 0.283; c = -0.23; // di=0.00221 on set-2018-02-18
|
||||
// a = -0.0149; b = 0.298; c = -0.23; // di=0.000484 on set-2018-02-19
|
||||
a = -0.016; b = 0.21; c = -0.18; // di=0.000532 on set-2018-02-20
|
||||
|
||||
|
||||
// these have a short di, but stray far away from larger font sizes
|
||||
// a = -0.0077
|
||||
// b = 0.377
|
||||
|
||||
var l = 1.4
|
||||
|
||||
|
||||
// InterUIDynamicTracking takes the font size in points or pixels and returns
|
||||
// the compensating tracking in EM.
|
||||
//
|
||||
function InterUIDynamicTracking(fontSize, weightClass) {
|
||||
// if (!weightClass) { -- currently unused
|
||||
// weightClass = 400
|
||||
// }
|
||||
//
|
||||
// y = -0.01021241 + 0.3720623 * e ^ (-0.2808687 * x)
|
||||
// [6-35] 0.05877 .. -0.0101309 (13==0; stops growing around 30-35)
|
||||
// See https://gist.github.com/rsms/8efdbca5f8145a584ed08a7c3d6e5788
|
||||
//
|
||||
return a + b * Math.pow(Math.E, c * fontSize)
|
||||
// [6 - 38] 0.05798 .. -0.01099 (midpoint = 12.533)
|
||||
|
||||
// y = 0.025 - (ln(x) * 0.01)
|
||||
// return 0.025 - Math.log(fontSize) * 0.01
|
||||
}
|
||||
|
||||
|
||||
function InterUIDynamicLineHeight(fontSize, weightClass) {
|
||||
return Math.round(fontSize * l)
|
||||
}
|
||||
|
||||
|
||||
var NPOS = Number.MAX_SAFE_INTEGER
|
||||
|
||||
function Sample(fontSize) {
|
||||
this.rootEl = sampleTemplate.cloneNode(true)
|
||||
this.infoEl = $('.info', this.rootEl)
|
||||
this.diEl = $('.di', this.rootEl)
|
||||
this.diEl.classList.add('unavailable')
|
||||
this.style = this.rootEl.style
|
||||
this.maxBoxWidth = 0
|
||||
this.fontSize = 0
|
||||
this.tracking = 0
|
||||
this.lineHeight = 0
|
||||
this.idealTracking = NPOS
|
||||
this.matchesIdeal = false
|
||||
this.setFontSize(fontSize)
|
||||
this.render()
|
||||
}
|
||||
|
||||
Sample.prototype.idealDistance = function(fontSize) {
|
||||
// returns the distance from the ideal (or NPOS if no "ideal" data available)
|
||||
if (this.idealTracking == NPOS) {
|
||||
return NPOS
|
||||
}
|
||||
return (
|
||||
Math.max(this.tracking, this.idealTracking) -
|
||||
Math.min(this.tracking, this.idealTracking)
|
||||
)
|
||||
}
|
||||
|
||||
Sample.prototype.setFontSize = function(fontSize) {
|
||||
this.fontSize = fontSize
|
||||
this.tracking = baseTracking + InterUIDynamicTracking(fontSize, weightClass)
|
||||
this.lineHeight = InterUIDynamicLineHeight(fontSize, weightClass)
|
||||
this.maxBoxWidth = Math.round(fontSize * (this.tracking + 1) * 25)
|
||||
|
||||
var idealTracking = idealValues[this.fontSize]
|
||||
if (idealTracking === undefined) {
|
||||
if (this.idealTracking != NPOS) {
|
||||
this.diEl.classList.add('unavailable')
|
||||
}
|
||||
this.idealTracking = NPOS
|
||||
this.matchesIdeal = false
|
||||
} else {
|
||||
if (this.idealTracking == NPOS) {
|
||||
this.diEl.classList.remove('unavailable')
|
||||
}
|
||||
this.idealTracking = idealTracking
|
||||
// match to a precision of 3
|
||||
this.matchesIdeal = this.tracking.toFixed(3) == idealTracking.toFixed(3)
|
||||
var di = 1
|
||||
if (this.matchesIdeal) {
|
||||
this.diEl.classList.add('match')
|
||||
} else {
|
||||
this.diEl.classList.remove('match')
|
||||
di = 1 - Math.min(1, this.idealDistance() * 50)
|
||||
}
|
||||
this.diEl.firstChild.style.width = (di * this.maxBoxWidth) + 'px'
|
||||
}
|
||||
}
|
||||
|
||||
Sample.prototype.render = function() {
|
||||
this.style.fontSize = this.fontSize + 'px'
|
||||
this.style.letterSpacing = this.tracking + 'em'
|
||||
this.style.lineHeight = this.lineHeight + 'px'
|
||||
|
||||
var SP = '\u00A0\u00A0\u00A0'
|
||||
this.infoEl.innerText = (
|
||||
this.fontSize +
|
||||
SP + this.tracking.toFixed(3) +
|
||||
// SP + this.lineHeight.toFixed(3) +
|
||||
(
|
||||
this.idealTracking != NPOS ? (
|
||||
SP + '( ' + this.idealTracking +
|
||||
(this.matchesIdeal ? ' \u2713' : '') +
|
||||
' )'
|
||||
) : ''
|
||||
)
|
||||
)
|
||||
|
||||
this.style.maxWidth = this.maxBoxWidth + 'px'
|
||||
}
|
||||
|
||||
|
||||
var bindings = new Bindings()
|
||||
var sampleTemplate
|
||||
var samples = [] // Sample[]
|
||||
var graph = new GraphPlot($('canvas.graphplot'))
|
||||
graph.setOrigin(-0.2, 0.8)
|
||||
graph.setScale(0.049, 5)
|
||||
|
||||
function addChildren(targetNode, children) {
|
||||
targetNode.style.visibility = 'hidden'
|
||||
var i = 0;
|
||||
for (; i < children.length; i++) {
|
||||
targetNode.appendChild(children[i])
|
||||
}
|
||||
targetNode.style.visibility = null
|
||||
}
|
||||
|
||||
function initSamples() {
|
||||
var samplesEl = $('.samples')
|
||||
sampleTemplate = $('.sample', samplesEl)
|
||||
samplesEl.removeChild(sampleTemplate)
|
||||
|
||||
// small and medium sizes
|
||||
var i, fontSize = 6, endFontSize = 16
|
||||
for (; fontSize <= endFontSize; fontSize++) {
|
||||
samples.push(new Sample(fontSize))
|
||||
}
|
||||
|
||||
// a few select large samples
|
||||
samples.push(new Sample(17))
|
||||
samples.push(new Sample(18))
|
||||
samples.push(new Sample(20))
|
||||
samples.push(new Sample(24))
|
||||
samples.push(new Sample(30))
|
||||
samples.push(new Sample(40))
|
||||
|
||||
// add to dom in one go
|
||||
addChildren(samplesEl, samples.map(function(s) { return s.rootEl }))
|
||||
}
|
||||
|
||||
|
||||
function updateSample(sample) {
|
||||
sample.setFontSize(sample.fontSize) // updates derived values
|
||||
sample.render()
|
||||
}
|
||||
|
||||
function updateSamples() {
|
||||
samples.forEach(updateSample)
|
||||
updateIdealMatches()
|
||||
updateGraphPlot()
|
||||
}
|
||||
|
||||
function updateIdealMatches() {
|
||||
// ideal-distance
|
||||
var idealCount = 0
|
||||
var distance = 0
|
||||
var ndistances = 0
|
||||
samples.forEach(function(sample) {
|
||||
if (sample.matchesIdeal) {
|
||||
idealCount++
|
||||
}
|
||||
var di = sample.idealDistance()
|
||||
if (di != NPOS) {
|
||||
distance += di
|
||||
ndistances++
|
||||
}
|
||||
})
|
||||
|
||||
distance = distance / ndistances
|
||||
|
||||
bindings.setValue('ideal-distance', distance.toFixed(6))
|
||||
bindings.setValue('ideal-count', idealCount)
|
||||
}
|
||||
|
||||
function updateGraphPlot() {
|
||||
graph.clear()
|
||||
graph.plotLine(idealValuesList, '#0d3')
|
||||
graph.plotf(function(x) {
|
||||
return InterUIDynamicTracking(x, weightClass)
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
bindings.configure('base-tracking', 0, 'float', function (tracking) {
|
||||
baseTracking = tracking
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
bindings.configure('var-a', a, 'float', function (v) {
|
||||
a = v
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
bindings.configure('var-b', b, 'float', function (v) {
|
||||
b = v
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
bindings.configure('var-c', c, 'float', function (v) {
|
||||
c = v
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
bindings.configure('var-l', l, 'float', function (v) {
|
||||
l = v
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
bindings.configure('ideal-count', 0, 'int', function (v) {})
|
||||
bindings.configure('ideal-distance', 0, 'float', function (v) {})
|
||||
|
||||
bindings.configure('style', null, null, function (style) {
|
||||
var cl = $('.samples').classList
|
||||
cl.remove('font-style-regular')
|
||||
cl.remove('font-style-italic')
|
||||
cl.remove('font-style-medium')
|
||||
cl.remove('font-style-medium-italic')
|
||||
cl.remove('font-style-bold')
|
||||
cl.remove('font-style-bold-italic')
|
||||
cl.remove('font-style-black')
|
||||
cl.remove('font-style-black-italic')
|
||||
cl.add('font-style-' + style)
|
||||
weightClass = (
|
||||
style.indexOf('black') != -1 ? 900 :
|
||||
style.indexOf('bold') != -1 ? 700 :
|
||||
style.indexOf('medium') != -1 ? 500 :
|
||||
400
|
||||
)
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
|
||||
bindings.bindAllInputs('.control input')
|
||||
bindings.bindAllInputs('.control select')
|
||||
|
||||
// double-click base tracking to reset
|
||||
$('input[type="range"][data-binding="base-tracking"]').addEventListener(
|
||||
'dblclick',
|
||||
function(ev) { bindings.setValue('base-tracking', 0) }
|
||||
)
|
||||
|
||||
// allow editing of ideal values
|
||||
idealValuesTextArea.addEventListener('input', function(ev) {
|
||||
setIdealValues(parseValues(idealValuesTextArea.value))
|
||||
updateSamples()
|
||||
})
|
||||
|
||||
|
||||
// start
|
||||
initSamples()
|
||||
updateSamples()
|
||||
|
||||
})();</script>
|
||||
Reference in a new issue