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91 lines
3.8 KiB
TypeScript
91 lines
3.8 KiB
TypeScript
/**
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* Copyright 2023-present DreamNum Co., Ltd.
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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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import type { IDocumentSkeletonBoundingBox, IDocumentSkeletonFontStyle } from '../../../basics/i-document-skeleton-cached';
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import { DocumentFlavor } from '@univerjs/core';
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import { describe, expect, it } from 'vitest';
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import { applyFontMetricCompatibility, getDocumentCompatibilityPolicy } from '../document-compatibility';
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const fontStyle = {
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fontString: 'normal bold 24pt "Calibri", Arial',
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fontSize: 24,
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originFontSize: 24,
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fontFamily: '"Calibri", Arial',
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fontCache: 'normal bold 24pt "Calibri"',
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} as IDocumentSkeletonFontStyle;
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const bBox = {
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width: 16,
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ba: 30,
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bd: 9,
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aba: 30,
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abd: 9,
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sp: 0,
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sbr: 0.6,
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sbo: 1,
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spr: 0.6,
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spo: 1,
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} as IDocumentSkeletonBoundingBox;
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describe('document compatibility policy', () => {
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it('applies traditional Word font metric width rules without changing modern documents', () => {
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const traditional = getDocumentCompatibilityPolicy(DocumentFlavor.TRADITIONAL);
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const modern = getDocumentCompatibilityPolicy(DocumentFlavor.MODERN);
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expect(applyFontMetricCompatibility('5', fontStyle, bBox, traditional).width).toBeCloseTo(14.72);
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expect(applyFontMetricCompatibility('5', fontStyle, bBox, modern).width).toBe(16);
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});
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it('scales only non-bold primary Arial Latin glyphs in traditional documents', () => {
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const normalArial = {
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...fontStyle,
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fontString: 'normal normal 11.5pt Arial',
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fontSize: 11.5,
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originFontSize: 11.5,
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fontFamily: 'Arial',
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fontCache: 'normal normal 11.5pt Arial',
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} as IDocumentSkeletonFontStyle;
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const boldArial = {
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...normalArial,
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fontString: 'normal bold 11.5pt Arial',
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fontCache: 'normal bold 11.5pt Arial',
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} as IDocumentSkeletonFontStyle;
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const browserMeasuredGlyph = { ...bBox, width: 10 };
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const traditional = getDocumentCompatibilityPolicy(DocumentFlavor.TRADITIONAL);
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const modern = getDocumentCompatibilityPolicy(DocumentFlavor.MODERN);
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expect(applyFontMetricCompatibility('A', normalArial, browserMeasuredGlyph, traditional).width).toBeCloseTo(9.8);
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expect(applyFontMetricCompatibility('A', boldArial, browserMeasuredGlyph, traditional).width).toBe(10);
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expect(applyFontMetricCompatibility('A', normalArial, browserMeasuredGlyph, modern).width).toBe(10);
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expect(applyFontMetricCompatibility('中', normalArial, browserMeasuredGlyph, traditional).width).toBe(10);
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});
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it('applies the traditional SimSun width policy when it is the East Asia fallback family', () => {
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const simSunFallback = {
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...fontStyle,
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fontString: 'normal normal 12pt "Times New Roman", 宋体',
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fontSize: 12,
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originFontSize: 12,
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fontFamily: '"Times New Roman", 宋体',
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fontCache: 'normal normal 12pt "Times New Roman", 宋体',
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} as IDocumentSkeletonFontStyle;
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const traditional = getDocumentCompatibilityPolicy(DocumentFlavor.TRADITIONAL);
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expect(applyFontMetricCompatibility('中', simSunFallback, { ...bBox, width: 10 }, traditional).width)
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.toBeCloseTo(9.7);
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});
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});
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