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Commit Description:
fix wrong merge
Commit Description:
fix wrong merge
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node_modules/fontkit/src/layout/GlyphRun.js
| 108 lines
| 2.5 KiB
| application/javascript
| JavascriptLexer
|
| r789 | import BBox from '../glyph/BBox'; | |||
| import * as Script from '../layout/Script'; | ||||
| /** | ||||
| * Represents a run of Glyph and GlyphPosition objects. | ||||
| * Returned by the font layout method. | ||||
| */ | ||||
| export default class GlyphRun { | ||||
| constructor(glyphs, features, script, language, direction) { | ||||
| /** | ||||
| * An array of Glyph objects in the run | ||||
| * @type {Glyph[]} | ||||
| */ | ||||
| this.glyphs = glyphs; | ||||
| /** | ||||
| * An array of GlyphPosition objects for each glyph in the run | ||||
| * @type {GlyphPosition[]} | ||||
| */ | ||||
| this.positions = null; | ||||
| /** | ||||
| * The script that was requested for shaping. This was either passed in or detected automatically. | ||||
| * @type {string} | ||||
| */ | ||||
| this.script = script; | ||||
| /** | ||||
| * The language requested for shaping, as passed in. If `null`, the default language for the | ||||
| * script was used. | ||||
| * @type {string} | ||||
| */ | ||||
| this.language = language || null; | ||||
| /** | ||||
| * The direction requested for shaping, as passed in (either ltr or rtl). | ||||
| * If `null`, the default direction of the script is used. | ||||
| * @type {string} | ||||
| */ | ||||
| this.direction = direction || Script.direction(script); | ||||
| /** | ||||
| * The features requested during shaping. This is a combination of user | ||||
| * specified features and features chosen by the shaper. | ||||
| * @type {object} | ||||
| */ | ||||
| this.features = {}; | ||||
| // Convert features to an object | ||||
| if (Array.isArray(features)) { | ||||
| for (let tag of features) { | ||||
| this.features[tag] = true; | ||||
| } | ||||
| } else if (typeof features === 'object') { | ||||
| this.features = features; | ||||
| } | ||||
| } | ||||
| /** | ||||
| * The total advance width of the run. | ||||
| * @type {number} | ||||
| */ | ||||
| get advanceWidth() { | ||||
| let width = 0; | ||||
| for (let position of this.positions) { | ||||
| width += position.xAdvance; | ||||
| } | ||||
| return width; | ||||
| } | ||||
| /** | ||||
| * The total advance height of the run. | ||||
| * @type {number} | ||||
| */ | ||||
| get advanceHeight() { | ||||
| let height = 0; | ||||
| for (let position of this.positions) { | ||||
| height += position.yAdvance; | ||||
| } | ||||
| return height; | ||||
| } | ||||
| /** | ||||
| * The bounding box containing all glyphs in the run. | ||||
| * @type {BBox} | ||||
| */ | ||||
| get bbox() { | ||||
| let bbox = new BBox; | ||||
| let x = 0; | ||||
| let y = 0; | ||||
| for (let index = 0; index < this.glyphs.length; index++) { | ||||
| let glyph = this.glyphs[index]; | ||||
| let p = this.positions[index]; | ||||
| let b = glyph.bbox; | ||||
| bbox.addPoint(b.minX + x + p.xOffset, b.minY + y + p.yOffset); | ||||
| bbox.addPoint(b.maxX + x + p.xOffset, b.maxY + y + p.yOffset); | ||||
| x += p.xAdvance; | ||||
| y += p.yAdvance; | ||||
| } | ||||
| return bbox; | ||||
| } | ||||
| } | ||||