47 lines
810 B
JavaScript
47 lines
810 B
JavaScript
import {
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Event,
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VirtualDocument,
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} from '../../scripts/core/documents/VirtualDocument.mjs';
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import DOMWrapper from '../../scripts/core/DOMWrapper.mjs';
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export class UnitaryTextSizer {
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// Simplified text sizer, which assumes all characters render as
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// 1x1 px squares for repeatable renders in all browsers
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baseline() {
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return 1;
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}
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measureHeight({formatted}) {
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return formatted.length;
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}
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prepMeasurement(attrs, formatted) {
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return formatted;
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}
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prepComplete() {
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// No-op
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}
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performMeasurement(data) {
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return data.reduce((total, part) => total + part.text.length, 0);
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}
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teardown() {
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// No-op
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}
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}
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export function textSizerFactory() {
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return new UnitaryTextSizer();
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}
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export const dom = new DOMWrapper(new VirtualDocument());
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export {
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Event,
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VirtualDocument,
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DOMWrapper,
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};
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