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opentype.js - npm Package Compare versions

Comparing version 0.6.4 to 0.6.5

externs/opentype.js

2

bower.json
{
"name": "opentype.js",
"version": "0.6.4",
"version": "0.6.5",
"main": "dist/opentype.js",

@@ -5,0 +5,0 @@ "keywords": [

@@ -64,2 +64,2 @@ # Contributing

4. Commit (`git commit -a`) and create a tag (e.g. `git tag 1.2.1`). Push and push tags (`git push && git push --tags`).
5. Run `npm publish` to publish the package to npm. Bower updates automatically.
5. Once published, [Travis](https://travis-ci.org/) will push the new tagged release to npm. Bower updates automatically.
{
"name": "opentype.js",
"description": "OpenType font parser",
"version": "0.6.4",
"version": "0.6.5",
"author": {

@@ -30,4 +30,4 @@ "name": "Frederik De Bleser",

"test": "mocha --recursive && jshint . && jscs .",
"browserify": "browserify src/opentype.js --bare --standalone opentype > dist/opentype.js",
"uglify": "browserify src/opentype.js --bare --standalone opentype -g uglifyify > dist/opentype.min.js",
"browserify": "browserify src/opentype.js -p licensify --bare --standalone opentype > dist/opentype.js",
"uglify": "browserify src/opentype.js -p licensify --bare --standalone opentype -g uglifyify > dist/opentype.min.js",
"dist": "rimraf build && rimraf dist && mkdirp build && mkdirp dist && npm run test && npm run browserify && npm run uglify"

@@ -40,7 +40,8 @@ },

"mkdirp": "^0.5.1",
"mocha": "^2.4.5",
"mocha": "^2.5.3",
"parallelshell": "^2.0.0",
"rimraf": "^2.5.2",
"uglifyify": "^3.0.1",
"watchify": "^3.7.0"
"watchify": "^3.7.0",
"licensify": "^3.1.2"
},

@@ -47,0 +48,0 @@ "browser": {

opentype.js
===========
[![Join the chat at https://gitter.im/nodebox/opentype.js](https://badges.gitter.im/nodebox/opentype.js.svg)](https://gitter.im/nodebox/opentype.js)
opentype.js is a JavaScript parser and writer for TrueType and OpenType fonts.

@@ -4,0 +6,0 @@

@@ -0,1 +1,8 @@

0.6.5 (September 9, 2016)
=========================
* GSUB reading and writing by @fpirsch. This is still missing a user-friendly API.
* Add support for cmap table format 12, which enables support for Unicode characters outside of the 0x0 - 0xFFFF range.
* Better API documentation using [JSDoc](http://usejsdoc.org/).
* Accessing xMin/... metrics works before path load.

0.6.4 (June 30, 2016)

@@ -2,0 +9,0 @@ =========================

@@ -5,2 +5,6 @@ // Run-time checking of preconditions.

exports.fail = function(message) {
throw new Error(message);
};
// Precondition function that checks if the given predicate is true.

@@ -10,3 +14,3 @@ // If not, it will throw an error.

if (!predicate) {
throw new Error(message);
exports.fail(message);
}

@@ -13,0 +17,0 @@ };

@@ -124,5 +124,11 @@ // Glyph encoding

// This is the encoding used for fonts created from scratch.
// It loops through all glyphs and finds the appropriate unicode value.
// Since it's linear time, other encodings will be faster.
/**
* This is the encoding used for fonts created from scratch.
* It loops through all glyphs and finds the appropriate unicode value.
* Since it's linear time, other encodings will be faster.
* @exports opentype.DefaultEncoding
* @class
* @constructor
* @param {opentype.Font}
*/
function DefaultEncoding(font) {

@@ -149,2 +155,8 @@ this.font = font;

/**
* @exports opentype.CmapEncoding
* @class
* @constructor
* @param {Object} cmap - a object with the cmap encoded data
*/
function CmapEncoding(cmap) {

@@ -154,2 +166,6 @@ this.cmap = cmap;

/**
* @param {string} c - the character
* @return {number} The glyph index.
*/
CmapEncoding.prototype.charToGlyphIndex = function(c) {

@@ -159,2 +175,9 @@ return this.cmap.glyphIndexMap[c.charCodeAt(0)] || 0;

/**
* @exports opentype.CffEncoding
* @class
* @constructor
* @param {string} encoding - The encoding
* @param {Array} charset - The charcater set.
*/
function CffEncoding(encoding, charset) {

@@ -165,2 +188,6 @@ this.encoding = encoding;

/**
* @param {string} s - The character
* @return {number} The index.
*/
CffEncoding.prototype.charToGlyphIndex = function(s) {

@@ -172,2 +199,8 @@ var code = s.charCodeAt(0);

/**
* @exports opentype.GlyphNames
* @class
* @constructor
* @param {Object} post
*/
function GlyphNames(post) {

@@ -203,2 +236,7 @@ var i;

/**
* Gets the index of a glyph by name.
* @param {string} name - The glyph name
* @return {number} The index
*/
GlyphNames.prototype.nameToGlyphIndex = function(name) {

@@ -208,2 +246,6 @@ return this.names.indexOf(name);

/**
* @param {number} gid
* @return {string}
*/
GlyphNames.prototype.glyphIndexToName = function(gid) {

@@ -213,2 +255,6 @@ return this.names[gid];

/**
* @alias opentype.addGlyphNames
* @param {opentype.Font}
*/
function addGlyphNames(font) {

@@ -230,3 +276,3 @@ var glyph;

glyph.name = font.cffEncoding.charset[i];
} else {
} else if (font.glyphNames.names) {
glyph.name = font.glyphNames.glyphIndexToName(i);

@@ -233,0 +279,0 @@ }

@@ -9,7 +9,41 @@ // The Font object

var glyphset = require('./glyphset');
var Substitution = require('./substitution');
var util = require('./util');
// A Font represents a loaded OpenType font file.
// It contains a set of glyphs and methods to draw text on a drawing context,
// or to get a path representing the text.
/**
* @typedef FontOptions
* @type Object
* @property {Boolean} empty - whether to create a new empty font
* @property {string} familyName
* @property {string} styleName
* @property {string=} fullName
* @property {string=} postScriptName
* @property {string=} designer
* @property {string=} designerURL
* @property {string=} manufacturer
* @property {string=} manufacturerURL
* @property {string=} license
* @property {string=} licenseURL
* @property {string=} version
* @property {string=} description
* @property {string=} copyright
* @property {string=} trademark
* @property {Number} unitsPerEm
* @property {Number} ascender
* @property {Number} descender
* @property {Number} createdTimestamp
* @property {string=} weightClass
* @property {string=} widthClass
* @property {string=} fsSelection
*/
/**
* A Font represents a loaded OpenType font file.
* It contains a set of glyphs and methods to draw text on a drawing context,
* or to get a path representing the text.
* @exports opentype.Font
* @class
* @param {FontOptions}
* @constructor
*/
function Font(options) {

@@ -58,6 +92,11 @@ options = options || {};

this.encoding = new encoding.DefaultEncoding(this);
this.substitution = new Substitution(this);
this.tables = this.tables || {};
}
// Check if the font has a glyph for the given character.
/**
* Check if the font has a glyph for the given character.
* @param {string}
* @return {Boolean}
*/
Font.prototype.hasChar = function(c) {

@@ -67,5 +106,9 @@ return this.encoding.charToGlyphIndex(c) !== null;

// Convert the given character to a single glyph index.
// Note that this function assumes that there is a one-to-one mapping between
// the given character and a glyph; for complex scripts this might not be the case.
/**
* Convert the given character to a single glyph index.
* Note that this function assumes that there is a one-to-one mapping between
* the given character and a glyph; for complex scripts this might not be the case.
* @param {string}
* @return {Number}
*/
Font.prototype.charToGlyphIndex = function(s) {

@@ -75,5 +118,9 @@ return this.encoding.charToGlyphIndex(s);

// Convert the given character to a single Glyph object.
// Note that this function assumes that there is a one-to-one mapping between
// the given character and a glyph; for complex scripts this might not be the case.
/**
* Convert the given character to a single Glyph object.
* Note that this function assumes that there is a one-to-one mapping between
* the given character and a glyph; for complex scripts this might not be the case.
* @param {string}
* @return {opentype.Glyph}
*/
Font.prototype.charToGlyph = function(c) {

@@ -90,6 +137,10 @@ var glyphIndex = this.charToGlyphIndex(c);

// Convert the given text to a list of Glyph objects.
// Note that there is no strict one-to-one mapping between characters and
// glyphs, so the list of returned glyphs can be larger or smaller than the
// length of the given string.
/**
* Convert the given text to a list of Glyph objects.
* Note that there is no strict one-to-one mapping between characters and
* glyphs, so the list of returned glyphs can be larger or smaller than the
* length of the given string.
* @param {string}
* @return {opentype.Glyph[]}
*/
Font.prototype.stringToGlyphs = function(s) {

@@ -105,2 +156,6 @@ var glyphs = [];

/**
* @param {string}
* @return {Number}
*/
Font.prototype.nameToGlyphIndex = function(name) {

@@ -110,2 +165,6 @@ return this.glyphNames.nameToGlyphIndex(name);

/**
* @param {string}
* @return {opentype.Glyph}
*/
Font.prototype.nameToGlyph = function(name) {

@@ -122,2 +181,6 @@ var glyphIndex = this.nametoGlyphIndex(name);

/**
* @param {Number}
* @return {String}
*/
Font.prototype.glyphIndexToName = function(gid) {

@@ -131,6 +194,11 @@ if (!this.glyphNames.glyphIndexToName) {

// Retrieve the value of the kerning pair between the left glyph (or its index)
// and the right glyph (or its index). If no kerning pair is found, return 0.
// The kerning value gets added to the advance width when calculating the spacing
// between glyphs.
/**
* Retrieve the value of the kerning pair between the left glyph (or its index)
* and the right glyph (or its index). If no kerning pair is found, return 0.
* The kerning value gets added to the advance width when calculating the spacing
* between glyphs.
* @param {opentype.Glyph} leftGlyph
* @param {opentype.Glyph} rightGlyph
* @return {Number}
*/
Font.prototype.getKerningValue = function(leftGlyph, rightGlyph) {

@@ -144,4 +212,18 @@ leftGlyph = leftGlyph.index || leftGlyph;

// Helper function that invokes the given callback for each glyph in the given text.
// The callback gets `(glyph, x, y, fontSize, options)`.
/**
* @typedef GlyphRenderOptions
* @type Object
* @property {boolean} [kerning] - whether to include kerning values
*/
/**
* Helper function that invokes the given callback for each glyph in the given text.
* The callback gets `(glyph, x, y, fontSize, options)`.* @param {string} text
* @param {string} text - The text to apply.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {GlyphRenderOptions=} options
* @param {Function} callback
*/
Font.prototype.forEachGlyph = function(text, x, y, fontSize, options, callback) {

@@ -169,12 +251,11 @@ x = x !== undefined ? x : 0;

// Create a Path object that represents the given text.
//
// text - The text to create.
// x - Horizontal position of the beginning of the text. (default: 0)
// y - Vertical position of the *baseline* of the text. (default: 0)
// fontSize - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. (default: 72)
// Options is an optional object that contains:
// - kerning - Whether to take kerning information into account. (default: true)
//
// Returns a Path object.
/**
* Create a Path object that represents the given text.
* @param {string} text - The text to create.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {GlyphRenderOptions=} options
* @return {opentype.Path}
*/
Font.prototype.getPath = function(text, x, y, fontSize, options) {

@@ -190,12 +271,11 @@ var fullPath = new path.Path();

// Create an array of Path objects that represent the glyps of a given text.
//
// text - The text to create.
// x - Horizontal position of the beginning of the text. (default: 0)
// y - Vertical position of the *baseline* of the text. (default: 0)
// fontSize - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. (default: 72)
// Options is an optional object that contains:
// - kerning - Whether to take kerning information into account. (default: true)
//
// Returns an array of Path objects.
/**
* Create an array of Path objects that represent the glyps of a given text.
* @param {string} text - The text to create.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {GlyphRenderOptions=} options
* @return {opentype.Path[]}
*/
Font.prototype.getPaths = function(text, x, y, fontSize, options) {

@@ -211,11 +291,11 @@ var glyphPaths = [];

// Draw the text on the given drawing context.
//
// ctx - A 2D drawing context, like Canvas.
// text - The text to create.
// x - Horizontal position of the beginning of the text. (default: 0)
// y - Vertical position of the *baseline* of the text. (default: 0)
// fontSize - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. (default: 72)
// Options is an optional object that contains:
// - kerning - Whether to take kerning information into account. (default: true)
/**
* Draw the text on the given drawing context.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas.
* @param {string} text - The text to create.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {GlyphRenderOptions=} options
*/
Font.prototype.draw = function(ctx, text, x, y, fontSize, options) {

@@ -225,12 +305,12 @@ this.getPath(text, x, y, fontSize, options).draw(ctx);

// Draw the points of all glyphs in the text.
// On-curve points will be drawn in blue, off-curve points will be drawn in red.
//
// ctx - A 2D drawing context, like Canvas.
// text - The text to create.
// x - Horizontal position of the beginning of the text. (default: 0)
// y - Vertical position of the *baseline* of the text. (default: 0)
// fontSize - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. (default: 72)
// Options is an optional object that contains:
// - kerning - Whether to take kerning information into account. (default: true)
/**
* Draw the points of all glyphs in the text.
* On-curve points will be drawn in blue, off-curve points will be drawn in red.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas.
* @param {string} text - The text to create.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {GlyphRenderOptions=} options
*/
Font.prototype.drawPoints = function(ctx, text, x, y, fontSize, options) {

@@ -242,14 +322,14 @@ this.forEachGlyph(text, x, y, fontSize, options, function(glyph, gX, gY, gFontSize) {

// Draw lines indicating important font measurements for all glyphs in the text.
// Black lines indicate the origin of the coordinate system (point 0,0).
// Blue lines indicate the glyph bounding box.
// Green line indicates the advance width of the glyph.
//
// ctx - A 2D drawing context, like Canvas.
// text - The text to create.
// x - Horizontal position of the beginning of the text. (default: 0)
// y - Vertical position of the *baseline* of the text. (default: 0)
// fontSize - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`. (default: 72)
// Options is an optional object that contains:
// - kerning - Whether to take kerning information into account. (default: true)
/**
* Draw lines indicating important font measurements for all glyphs in the text.
* Black lines indicate the origin of the coordinate system (point 0,0).
* Blue lines indicate the glyph bounding box.
* Green line indicates the advance width of the glyph.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas.
* @param {string} text - The text to create.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {GlyphRenderOptions=} options
*/
Font.prototype.drawMetrics = function(ctx, text, x, y, fontSize, options) {

@@ -261,2 +341,6 @@ this.forEachGlyph(text, x, y, fontSize, options, function(glyph, gX, gY, gFontSize) {

/**
* @param {string}
* @return {string}
*/
Font.prototype.getEnglishName = function(name) {

@@ -269,3 +353,5 @@ var translations = this.names[name];

// Validate
/**
* Validate
*/
Font.prototype.validate = function() {

@@ -298,8 +384,13 @@ var warnings = [];

// Convert the font object to a SFNT data structure.
// This structure contains all the necessary tables and metadata to create a binary OTF file.
/**
* Convert the font object to a SFNT data structure.
* This structure contains all the necessary tables and metadata to create a binary OTF file.
* @return {opentype.Table}
*/
Font.prototype.toTables = function() {
return sfnt.fontToTable(this);
};
/**
* @deprecated Font.toBuffer is deprecated. Use Font.toArrayBuffer instead.
*/
Font.prototype.toBuffer = function() {

@@ -309,3 +400,6 @@ console.warn('Font.toBuffer is deprecated. Use Font.toArrayBuffer instead.');

};
/**
* Converts a `opentype.Font` into an `ArrayBuffer`
* @return {ArrayBuffer}
*/
Font.prototype.toArrayBuffer = function() {

@@ -323,3 +417,5 @@ var sfntTable = this.toTables();

// Initiate a download of the OpenType font.
/**
* Initiate a download of the OpenType font.
*/
Font.prototype.download = function() {

@@ -348,3 +444,3 @@ var familyName = this.getEnglishName('fontFamily');

function(err) {
throw err;
throw new Error(err.name + ': ' + err.message);
});

@@ -357,3 +453,5 @@ } else {

};
/**
* @private
*/
Font.prototype.fsSelectionValues = {

@@ -372,2 +470,5 @@ ITALIC: 0x001, //1

/**
* @private
*/
Font.prototype.usWidthClasses = {

@@ -385,2 +486,5 @@ ULTRA_CONDENSED: 1,

/**
* @private
*/
Font.prototype.usWeightClasses = {

@@ -387,0 +491,0 @@ THIN: 100,

@@ -27,2 +27,14 @@ // The Glyph object

}
/**
* @typedef GlyphOptions
* @type Object
* @property {string} [name] - The glyph name
* @property {number} [unicode]
* @property {Array} [unicodes]
* @property {number} [xMin]
* @property {number} [yMin]
* @property {number} [xMax]
* @property {number} [yMax]
* @property {number} [advanceWidth]
*/

@@ -34,2 +46,8 @@ // A Glyph is an individual mark that often corresponds to a character.

// The `Glyph` class contains utility methods for drawing the path and its points.
/**
* @exports opentype.Glyph
* @class
* @param {GlyphOptions}
* @constructor
*/
function Glyph(options) {

@@ -41,2 +59,5 @@ // By putting all the code on a prototype function (which is only declared once)

/**
* @param {GlyphOptions}
*/
Glyph.prototype.bindConstructorValues = function(options) {

@@ -78,2 +99,5 @@ this.index = options.index || 0;

/**
* @param {number}
*/
Glyph.prototype.addUnicode = function(unicode) {

@@ -87,8 +111,10 @@ if (this.unicodes.length === 0) {

// Convert the glyph to a Path we can draw on a drawing context.
//
// x - Horizontal position of the glyph. (default: 0)
// y - Vertical position of the *baseline* of the glyph. (default: 0)
// fontSize - Font size, in pixels (default: 72).
// options - xScale and yScale to strech the glyph.
/**
* Convert the glyph to a Path we can draw on a drawing context.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {Object=} options - xScale, yScale to strech the glyph.
* @return {opentype.Path}
*/
Glyph.prototype.getPath = function(x, y, fontSize, options) {

@@ -126,5 +152,8 @@ x = x !== undefined ? x : 0;

// Split the glyph into contours.
// This function is here for backwards compatibility, and to
// provide raw access to the TrueType glyph outlines.
/**
* Split the glyph into contours.
* This function is here for backwards compatibility, and to
* provide raw access to the TrueType glyph outlines.
* @return {Array}
*/
Glyph.prototype.getContours = function() {

@@ -150,3 +179,6 @@ if (this.points === undefined) {

// Calculate the xMin/yMin/xMax/yMax/lsb/rsb for a Glyph.
/**
* Calculate the xMin/yMin/xMax/yMax/lsb/rsb for a Glyph.
* @return {Object}
*/
Glyph.prototype.getMetrics = function() {

@@ -202,9 +234,10 @@ var commands = this.path.commands;

// Draw the glyph on the given context.
//
// ctx - The drawing context.
// x - Horizontal position of the glyph. (default: 0)
// y - Vertical position of the *baseline* of the glyph. (default: 0)
// fontSize - Font size, in pixels (default: 72).
// options - xScale, yScale to strech the glyph
/**
* Draw the glyph on the given context.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
* @param {Object=} options - xScale, yScale to strech the glyph.
*/
Glyph.prototype.draw = function(ctx, x, y, fontSize, options) {

@@ -214,9 +247,10 @@ this.getPath(x, y, fontSize, options).draw(ctx);

// Draw the points of the glyph.
// On-curve points will be drawn in blue, off-curve points will be drawn in red.
//
// ctx - The drawing context.
// x - Horizontal position of the glyph. (default: 0)
// y - Vertical position of the *baseline* of the glyph. (default: 0)
// fontSize - Font size, in pixels (default: 72).
/**
* Draw the points of the glyph.
* On-curve points will be drawn in blue, off-curve points will be drawn in red.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
*/
Glyph.prototype.drawPoints = function(ctx, x, y, fontSize) {

@@ -265,11 +299,12 @@

// Draw lines indicating important font measurements.
// Black lines indicate the origin of the coordinate system (point 0,0).
// Blue lines indicate the glyph bounding box.
// Green line indicates the advance width of the glyph.
//
// ctx - The drawing context.
// x - Horizontal position of the glyph. (default: 0)
// y - Vertical position of the *baseline* of the glyph. (default: 0)
// fontSize - Font size, in pixels (default: 72).
/**
* Draw lines indicating important font measurements.
* Black lines indicate the origin of the coordinate system (point 0,0).
* Blue lines indicate the glyph bounding box.
* Green line indicates the advance width of the glyph.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context, like Canvas.
* @param {number} [x=0] - Horizontal position of the beginning of the text.
* @param {number} [y=0] - Vertical position of the *baseline* of the text.
* @param {number} [fontSize=72] - Font size in pixels. We scale the glyph units by `1 / unitsPerEm * fontSize`.
*/
Glyph.prototype.drawMetrics = function(ctx, x, y, fontSize) {

@@ -276,0 +311,0 @@ var scale;

@@ -7,5 +7,27 @@ // The GlyphSet object

// A GlyphSet represents all glyphs available in the font, but modelled using
// a deferred glyph loader, for retrieving glyphs only once they are absolutely
// necessary, to keep the memory footprint down.
// Define a property on the glyph that depends on the path being loaded.
function defineDependentProperty(glyph, externalName, internalName) {
Object.defineProperty(glyph, externalName, {
get: function() {
// Request the path property to make sure the path is loaded.
glyph.path; // jshint ignore:line
return glyph[internalName];
},
set: function(newValue) {
glyph[internalName] = newValue;
},
enumerable: true,
configurable: true
});
}
/**
* A GlyphSet represents all glyphs available in the font, but modelled using
* a deferred glyph loader, for retrieving glyphs only once they are absolutely
* necessary, to keep the memory footprint down.
* @exports opentype.GlyphSet
* @class
* @param {opentype.Font}
* @param {Array}
*/
function GlyphSet(font, glyphs) {

@@ -23,2 +45,6 @@ this.font = font;

/**
* @param {number} index
* @return {opentype.Glyph}
*/
GlyphSet.prototype.get = function(index) {

@@ -32,2 +58,6 @@ if (typeof this.glyphs[index] === 'function') {

/**
* @param {number} index
* @param {Object}
*/
GlyphSet.prototype.push = function(index, loader) {

@@ -38,2 +68,8 @@ this.glyphs[index] = loader;

/**
* @alias opentype.glyphLoader
* @param {opentype.Font} font
* @param {number} index
* @return {opentype.Glyph}
*/
function glyphLoader(font, index) {

@@ -47,4 +83,11 @@ return new _glyph.Glyph({index: index, font: font});

* the glyph's path is actually requested for text shaping.
* @alias opentype.ttfGlyphLoader
* @param {opentype.Font} font
* @param {number} index
* @param {Function} parseGlyph
* @param {Object} data
* @param {number} position
* @param {Function} buildPath
* @return {opentype.Glyph}
*/
function ttfGlyphLoader(font, index, parseGlyph, data, position, buildPath) {

@@ -61,6 +104,18 @@ return function() {

defineDependentProperty(glyph, 'xMin', '_xMin');
defineDependentProperty(glyph, 'xMax', '_xMax');
defineDependentProperty(glyph, 'yMin', '_yMin');
defineDependentProperty(glyph, 'yMax', '_yMax');
return glyph;
};
}
/**
* @alias opentype.cffGlyphLoader
* @param {opentype.Font} font
* @param {number} index
* @param {Function} parseCFFCharstring
* @param {string} charstring
* @return {opentype.Glyph}
*/
function cffGlyphLoader(font, index, parseCFFCharstring, charstring) {

@@ -67,0 +122,0 @@ return function() {

@@ -24,2 +24,3 @@ // opentype.js

var gpos = require('./tables/gpos');
var gsub = require('./tables/gsub');
var head = require('./tables/head');

@@ -35,5 +36,16 @@ var hhea = require('./tables/hhea');

var post = require('./tables/post');
var meta = require('./tables/meta');
/**
* The opentype library.
* @namespace opentype
*/
// File loaders /////////////////////////////////////////////////////////
/**
* Loads a font from a file. The callback throws an error message as the first parameter if it fails
* and the font as an ArrayBuffer in the second parameter if it succeeds.
* @param {string} path - The path of the file
* @param {Function} callback - The function to call when the font load completes
*/
function loadFromFile(path, callback) {

@@ -49,3 +61,8 @@ var fs = require('fs');

}
/**
* Loads a font from a URL. The callback throws an error message as the first parameter if it fails
* and the font as an ArrayBuffer in the second parameter if it succeeds.
* @param {string} url - The URL of the font file.
* @param {Function} callback - The function to call when the font load completes
*/
function loadFromUrl(url, callback) {

@@ -67,3 +84,8 @@ var request = new XMLHttpRequest();

// Table Directory Entries //////////////////////////////////////////////
/**
* Parses OpenType table entries.
* @param {DataView}
* @param {Number}
* @return {Object[]}
*/
function parseOpenTypeTableEntries(data, numTables) {

@@ -84,2 +106,8 @@ var tableEntries = [];

/**
* Parses WOFF table entries.
* @param {DataView}
* @param {Number}
* @return {Object[]}
*/
function parseWOFFTableEntries(data, numTables) {

@@ -108,2 +136,14 @@ var tableEntries = [];

/**
* @typedef TableData
* @type Object
* @property {DataView} data - The DataView
* @property {number} offset - The data offset.
*/
/**
* @param {DataView}
* @param {Object}
* @return {TableData}
*/
function uncompressTable(data, tableEntry) {

@@ -127,4 +167,8 @@ if (tableEntry.compression === 'WOFF') {

// Parse the OpenType file data (as an ArrayBuffer) and return a Font object.
// Throws an error if the font could not be parsed.
/**
* Parse the OpenType file data (as an ArrayBuffer) and return a Font object.
* Throws an error if the font could not be parsed.
* @param {ArrayBuffer}
* @return {opentype.Font}
*/
function parseBuffer(buffer) {

@@ -173,2 +217,3 @@ var indexToLocFormat;

var gposTableEntry;
var gsubTableEntry;
var hmtxTableEntry;

@@ -178,2 +223,3 @@ var kernTableEntry;

var nameTableEntry;
var metaTableEntry;

@@ -244,2 +290,8 @@ for (var i = 0; i < numTables; i += 1) {

break;
case 'GSUB':
gsubTableEntry = tableEntry;
break;
case 'meta':
metaTableEntry = tableEntry;
break;
}

@@ -281,2 +333,7 @@ }

if (gsubTableEntry) {
var gsubTable = uncompressTable(data, gsubTableEntry);
font.tables.gsub = gsub.parse(gsubTable.data, gsubTable.offset);
}
if (fvarTableEntry) {

@@ -287,11 +344,21 @@ var fvarTable = uncompressTable(data, fvarTableEntry);

if (metaTableEntry) {
var metaTable = uncompressTable(data, metaTableEntry);
font.tables.meta = meta.parse(metaTable.data, metaTable.offset);
font.metas = font.tables.meta;
}
return font;
}
// Asynchronously load the font from a URL or a filesystem. When done, call the callback
// with two arguments `(err, font)`. The `err` will be null on success,
// the `font` is a Font object.
//
// We use the node.js callback convention so that
// opentype.js can integrate with frameworks like async.js.
/**
* Asynchronously load the font from a URL or a filesystem. When done, call the callback
* with two arguments `(err, font)`. The `err` will be null on success,
* the `font` is a Font object.
* We use the node.js callback convention so that
* opentype.js can integrate with frameworks like async.js.
* @alias opentype.load
* @param {string} url - The URL of the font to load.
* @param {Function} callback - The callback.
*/
function load(url, callback) {

@@ -314,4 +381,9 @@ var isNode = typeof window === 'undefined';

// Synchronously load the font from a URL or file.
// When done, return the font object or throw an error.
/**
* Synchronously load the font from a URL or file.
* When done, returns the font object or throws an error.
* @alias opentype.loadSync
* @param {string} url - The URL of the font to load.
* @return {opentype.Font}
*/
function loadSync(url) {

@@ -318,0 +390,0 @@ var fs = require('fs');

@@ -5,2 +5,4 @@ // Parsing utility functions

var check = require('./check');
// Retrieve an unsigned byte from the DataView.

@@ -15,7 +17,7 @@ exports.getByte = function getByte(dataView, offset) {

// The value is stored in big endian.
exports.getUShort = function(dataView, offset) {
function getUShort(dataView, offset) {
return dataView.getUint16(offset, false);
};
}
exports.getCard16 = exports.getUShort;
exports.getUShort = exports.getCard16 = getUShort;

@@ -151,16 +153,2 @@ // Retrieve a signed 16-bit short from the DataView.

Parser.prototype.parseOffset16List =
Parser.prototype.parseUShortList = function(count) {
var offsets = new Array(count);
var dataView = this.data;
var offset = this.offset + this.relativeOffset;
for (var i = 0; i < count; i++) {
offsets[i] = exports.getUShort(dataView, offset);
offset += 2;
}
this.relativeOffset += count * 2;
return offsets;
};
Parser.prototype.parseString = function(length) {

@@ -188,3 +176,3 @@ var dataView = this.data;

var v = exports.getULong(this.data, this.offset + this.relativeOffset + 4);
// Substract seconds between 01/01/1904 and 01/01/1970
// Subtract seconds between 01/01/1904 and 01/01/1970
// to convert Apple Mac timstamp to Standard Unix timestamp

@@ -196,14 +184,8 @@ v -= 2082844800;

Parser.prototype.parseFixed = function() {
var v = exports.getULong(this.data, this.offset + this.relativeOffset);
this.relativeOffset += 4;
return v / 65536;
};
Parser.prototype.parseVersion = function() {
var major = exports.getUShort(this.data, this.offset + this.relativeOffset);
var major = getUShort(this.data, this.offset + this.relativeOffset);
// How to interpret the minor version is very vague in the spec. 0x5000 is 5, 0x1000 is 1
// This returns the correct number if minor = 0xN000 where N is 0-9
var minor = exports.getUShort(this.data, this.offset + this.relativeOffset + 2);
var minor = getUShort(this.data, this.offset + this.relativeOffset + 2);
this.relativeOffset += 4;

@@ -221,2 +203,253 @@ return major + minor / 0x1000 / 10;

///// Parsing lists and records ///////////////////////////////
// Parse a list of 16 bit integers. The length of the list can be read on the stream
// or provided as an argument.
Parser.prototype.parseOffset16List =
Parser.prototype.parseUShortList = function(count) {
if (count === undefined) { count = this.parseUShort(); }
var offsets = new Array(count);
var dataView = this.data;
var offset = this.offset + this.relativeOffset;
for (var i = 0; i < count; i++) {
offsets[i] = dataView.getUint16(offset);
offset += 2;
}
this.relativeOffset += count * 2;
return offsets;
};
/**
* Parse a list of items.
* Record count is optional, if omitted it is read from the stream.
* itemCallback is one of the Parser methods.
*/
Parser.prototype.parseList = function(count, itemCallback) {
if (!itemCallback) {
itemCallback = count;
count = this.parseUShort();
}
var list = new Array(count);
for (var i = 0; i < count; i++) {
list[i] = itemCallback.call(this);
}
return list;
};
/**
* Parse a list of records.
* Record count is optional, if omitted it is read from the stream.
* Example of recordDescription: { sequenceIndex: Parser.uShort, lookupListIndex: Parser.uShort }
*/
Parser.prototype.parseRecordList = function(count, recordDescription) {
// If the count argument is absent, read it in the stream.
if (!recordDescription) {
recordDescription = count;
count = this.parseUShort();
}
var records = new Array(count);
var fields = Object.keys(recordDescription);
for (var i = 0; i < count; i++) {
var rec = {};
for (var j = 0; j < fields.length; j++) {
var fieldName = fields[j];
var fieldType = recordDescription[fieldName];
rec[fieldName] = fieldType.call(this);
}
records[i] = rec;
}
return records;
};
// Parse a data structure into an object
// Example of description: { sequenceIndex: Parser.uShort, lookupListIndex: Parser.uShort }
Parser.prototype.parseStruct = function(description) {
if (typeof description === 'function') {
return description.call(this);
} else {
var fields = Object.keys(description);
var struct = {};
for (var j = 0; j < fields.length; j++) {
var fieldName = fields[j];
var fieldType = description[fieldName];
struct[fieldName] = fieldType.call(this);
}
return struct;
}
};
Parser.prototype.parsePointer = function(description) {
var structOffset = this.parseOffset16();
if (structOffset > 0) { // NULL offset => return indefined
return new Parser(this.data, this.offset + structOffset).parseStruct(description);
}
};
/**
* Parse a list of offsets to lists of 16-bit integers,
* or a list of offsets to lists of offsets to any kind of items.
* If itemCallback is not provided, a list of list of UShort is assumed.
* If provided, itemCallback is called on each item and must parse the item.
* See examples in tables/gsub.js
*/
Parser.prototype.parseListOfLists = function(itemCallback) {
var offsets = this.parseOffset16List();
var count = offsets.length;
var relativeOffset = this.relativeOffset;
var list = new Array(count);
for (var i = 0; i < count; i++) {
var start = offsets[i];
if (start === 0) { // NULL offset
list[i] = undefined; // Add i as owned property to list. Convenient with assert.
continue;
}
this.relativeOffset = start;
if (itemCallback) {
var subOffsets = this.parseOffset16List();
var subList = new Array(subOffsets.length);
for (var j = 0; j < subOffsets.length; j++) {
this.relativeOffset = start + subOffsets[j];
subList[j] = itemCallback.call(this);
}
list[i] = subList;
} else {
list[i] = this.parseUShortList();
}
}
this.relativeOffset = relativeOffset;
return list;
};
///// Complex tables parsing //////////////////////////////////
// Parse a coverage table in a GSUB, GPOS or GDEF table.
// https://www.microsoft.com/typography/OTSPEC/chapter2.htm
// parser.offset must point to the start of the table containing the coverage.
Parser.prototype.parseCoverage = function() {
var startOffset = this.offset + this.relativeOffset;
var format = this.parseUShort();
var count = this.parseUShort();
if (format === 1) {
return {
format: 1,
glyphs: this.parseUShortList(count)
};
} else if (format === 2) {
var ranges = new Array(count);
for (var i = 0; i < count; i++) {
ranges[i] = {
start: this.parseUShort(),
end: this.parseUShort(),
index: this.parseUShort()
};
}
return {
format: 2,
ranges: ranges
};
}
check.assert(false, '0x' + startOffset.toString(16) + ': Coverage format must be 1 or 2.');
};
// Parse a Class Definition Table in a GSUB, GPOS or GDEF table.
// https://www.microsoft.com/typography/OTSPEC/chapter2.htm
Parser.prototype.parseClassDef = function() {
var startOffset = this.offset + this.relativeOffset;
var format = this.parseUShort();
if (format === 1) {
return {
format: 1,
startGlyph: this.parseUShort(),
classes: this.parseUShortList()
};
} else if (format === 2) {
return {
format: 2,
ranges: this.parseRecordList({
start: Parser.uShort,
end: Parser.uShort,
classId: Parser.uShort
})
};
}
check.assert(false, '0x' + startOffset.toString(16) + ': ClassDef format must be 1 or 2.');
};
///// Static methods ///////////////////////////////////
// These convenience methods can be used as callbacks and should be called with "this" context set to a Parser instance.
Parser.list = function(count, itemCallback) {
return function() {
return this.parseList(count, itemCallback);
};
};
Parser.recordList = function(count, recordDescription) {
return function() {
return this.parseRecordList(count, recordDescription);
};
};
Parser.pointer = function(description) {
return function() {
return this.parsePointer(description);
};
};
Parser.tag = Parser.prototype.parseTag;
Parser.byte = Parser.prototype.parseByte;
Parser.uShort = Parser.offset16 = Parser.prototype.parseUShort;
Parser.uShortList = Parser.prototype.parseUShortList;
Parser.struct = Parser.prototype.parseStruct;
Parser.coverage = Parser.prototype.parseCoverage;
Parser.classDef = Parser.prototype.parseClassDef;
///// Script, Feature, Lookup lists ///////////////////////////////////////////////
// https://www.microsoft.com/typography/OTSPEC/chapter2.htm
var langSysTable = {
reserved: Parser.uShort,
reqFeatureIndex: Parser.uShort,
featureIndexes: Parser.uShortList
};
Parser.prototype.parseScriptList = function() {
return this.parsePointer(Parser.recordList({
tag: Parser.tag,
script: Parser.pointer({
defaultLangSys: Parser.pointer(langSysTable),
langSysRecords: Parser.recordList({
tag: Parser.tag,
langSys: Parser.pointer(langSysTable)
})
})
}));
};
Parser.prototype.parseFeatureList = function() {
return this.parsePointer(Parser.recordList({
tag: Parser.tag,
feature: Parser.pointer({
featureParams: Parser.offset16,
lookupListIndexes: Parser.uShortList
})
}));
};
Parser.prototype.parseLookupList = function(lookupTableParsers) {
return this.parsePointer(Parser.list(Parser.pointer(function() {
var lookupType = this.parseUShort();
check.argument(1 <= lookupType && lookupType <= 8, 'GSUB lookup type ' + lookupType + ' unknown.');
var lookupFlag = this.parseUShort();
var useMarkFilteringSet = lookupFlag & 0x10;
return {
lookupType: lookupType,
lookupFlag: lookupFlag,
subtables: this.parseList(Parser.pointer(lookupTableParsers[lookupType])),
markFilteringSet: useMarkFilteringSet ? this.parseUShort() : undefined
};
})));
};
exports.Parser = Parser;

@@ -5,4 +5,9 @@ // Geometric objects

// A bézier path containing a set of path commands similar to a SVG path.
// Paths can be drawn on a context using `draw`.
/**
* A bézier path containing a set of path commands similar to a SVG path.
* Paths can be drawn on a context using `draw`.
* @exports opentype.Path
* @class
* @constructor
*/
function Path() {

@@ -15,2 +20,6 @@ this.commands = [];

/**
* @param {number} x
* @param {number} y
*/
Path.prototype.moveTo = function(x, y) {

@@ -24,2 +33,6 @@ this.commands.push({

/**
* @param {number} x
* @param {number} y
*/
Path.prototype.lineTo = function(x, y) {

@@ -33,2 +46,28 @@ this.commands.push({

/**
* Draws cubic curve
* @function
* curveTo
* @memberof opentype.Path.prototype
* @param {number} x1 - x of control 1
* @param {number} y1 - y of control 1
* @param {number} x2 - x of control 2
* @param {number} y2 - y of control 2
* @param {number} x - x of path point
* @param {number} y - y of path point
*/
/**
* Draws cubic curve
* @function
* bezierCurveTo
* @memberof opentype.Path.prototype
* @param {number} x1 - x of control 1
* @param {number} y1 - y of control 1
* @param {number} x2 - x of control 2
* @param {number} y2 - y of control 2
* @param {number} x - x of path point
* @param {number} y - y of path point
* @see curveTo
*/
Path.prototype.curveTo = Path.prototype.bezierCurveTo = function(x1, y1, x2, y2, x, y) {

@@ -46,2 +85,23 @@ this.commands.push({

/**
* Draws quadratic curve
* @function
* quadraticCurveTo
* @memberof opentype.Path.prototype
* @param {number} x1 - x of control
* @param {number} y1 - y of control
* @param {number} x - x of path point
* @param {number} y - y of path point
*/
/**
* Draws quadratic curve
* @function
* quadTo
* @memberof opentype.Path.prototype
* @param {number} x1 - x of control
* @param {number} y1 - y of control
* @param {number} x - x of path point
* @param {number} y - y of path point
*/
Path.prototype.quadTo = Path.prototype.quadraticCurveTo = function(x1, y1, x, y) {

@@ -57,2 +117,13 @@ this.commands.push({

/**
* Closes the path
* @function closePath
* @memberof opentype.Path.prototype
*/
/**
* Close the path
* @function close
* @memberof opentype.Path.prototype
*/
Path.prototype.close = Path.prototype.closePath = function() {

@@ -64,3 +135,6 @@ this.commands.push({

// Add the given path or list of commands to the commands of this path.
/**
* Add the given path or list of commands to the commands of this path.
* @param {Array}
*/
Path.prototype.extend = function(pathOrCommands) {

@@ -74,3 +148,6 @@ if (pathOrCommands.commands) {

// Draw the path to a 2D context.
/**
* Draw the path to a 2D context.
* @param {CanvasRenderingContext2D} ctx - A 2D drawing context.
*/
Path.prototype.draw = function(ctx) {

@@ -105,6 +182,8 @@ ctx.beginPath();

// Convert the Path to a string of path data instructions
// See http://www.w3.org/TR/SVG/paths.html#PathData
// Parameters:
// - decimalPlaces: The amount of decimal places for floating-point values (default: 2)
/**
* Convert the Path to a string of path data instructions
* See http://www.w3.org/TR/SVG/paths.html#PathData
* @param {number} [decimalPlaces=2] - The amount of decimal places for floating-point values
* @return {string}
*/
Path.prototype.toPathData = function(decimalPlaces) {

@@ -154,5 +233,7 @@ decimalPlaces = decimalPlaces !== undefined ? decimalPlaces : 2;

// Convert the path to a SVG <path> element, as a string.
// Parameters:
// - decimalPlaces: The amount of decimal places for floating-point values (default: 2)
/**
* Convert the path to an SVG <path> element, as a string.
* @param {number} [decimalPlaces=2] - The amount of decimal places for floating-point values
* @return {string}
*/
Path.prototype.toSVG = function(decimalPlaces) {

@@ -162,3 +243,3 @@ var svg = '<path d="';

svg += '"';
if (this.fill & this.fill !== 'black') {
if (this.fill && this.fill !== 'black') {
if (this.fill === null) {

@@ -165,0 +246,0 @@ svg += ' fill="none"';

@@ -5,5 +5,13 @@ // Table metadata

var check = require('./check');
var encode = require('./types').encode;
var sizeOf = require('./types').sizeOf;
/**
* @exports opentype.Table
* @class
* @param {string} tableName
* @param {Array} fields
* @param {Object} options
* @constructor
*/
function Table(tableName, fields, options) {

@@ -30,2 +38,6 @@ var i;

/**
* Encodes the table and returns an array of bytes
* @return {Array}
*/
Table.prototype.encode = function() {

@@ -35,2 +47,6 @@ return encode.TABLE(this);

/**
* Get the size of the table.
* @return {number}
*/
Table.prototype.sizeOf = function() {

@@ -40,2 +56,149 @@ return sizeOf.TABLE(this);

/**
* @private
*/
function ushortList(itemName, list, count) {
if (count === undefined) {
count = list.length;
}
var fields = new Array(list.length + 1);
fields[0] = {name: itemName + 'Count', type: 'USHORT', value: count};
for (var i = 0; i < list.length; i++) {
fields[i + 1] = {name: itemName + i, type: 'USHORT', value: list[i]};
}
return fields;
}
/**
* @private
*/
function tableList(itemName, records, itemCallback) {
var count = records.length;
var fields = new Array(count + 1);
fields[0] = {name: itemName + 'Count', type: 'USHORT', value: count};
for (var i = 0; i < count; i++) {
fields[i + 1] = {name: itemName + i, type: 'TABLE', value: itemCallback(records[i], i)};
}
return fields;
}
/**
* @private
*/
function recordList(itemName, records, itemCallback) {
var count = records.length;
var fields = [];
fields[0] = {name: itemName + 'Count', type: 'USHORT', value: count};
for (var i = 0; i < count; i++) {
fields = fields.concat(itemCallback(records[i], i));
}
return fields;
}
// Common Layout Tables
/**
* @exports opentype.Coverage
* @class
* @param {opentype.Table}
* @constructor
* @extends opentype.Table
*/
function Coverage(coverageTable) {
if (coverageTable.format === 1) {
Table.call(this, 'coverageTable',
[{name: 'coverageFormat', type: 'USHORT', value: 1}]
.concat(ushortList('glyph', coverageTable.glyphs))
);
} else {
check.assert(false, 'Can\'t create coverage table format 2 yet.');
}
}
Coverage.prototype = Object.create(Table.prototype);
Coverage.prototype.constructor = Coverage;
function ScriptList(scriptListTable) {
Table.call(this, 'scriptListTable',
recordList('scriptRecord', scriptListTable, function(scriptRecord, i) {
var script = scriptRecord.script;
var defaultLangSys = script.defaultLangSys;
check.assert(!!defaultLangSys, 'Unable to write GSUB: script ' + scriptRecord.tag + ' has no default language system.');
return [
{name: 'scriptTag' + i, type: 'TAG', value: scriptRecord.tag},
{name: 'script' + i, type: 'TABLE', value: new Table('scriptTable', [
{name: 'defaultLangSys', type: 'TABLE', value: new Table('defaultLangSys', [
{name: 'lookupOrder', type: 'USHORT', value: 0},
{name: 'reqFeatureIndex', type: 'USHORT', value: defaultLangSys.reqFeatureIndex}]
.concat(ushortList('featureIndex', defaultLangSys.featureIndexes)))}
].concat(recordList('langSys', script.langSysRecords, function(langSysRecord, i) {
var langSys = langSysRecord.langSys;
return [
{name: 'langSysTag' + i, type: 'TAG', value: langSysRecord.tag},
{name: 'langSys' + i, type: 'TABLE', value: new Table('langSys', [
{name: 'lookupOrder', type: 'USHORT', value: 0},
{name: 'reqFeatureIndex', type: 'USHORT', value: langSys.reqFeatureIndex}
].concat(ushortList('featureIndex', langSys.featureIndexes)))}
];
})))}
];
})
);
}
ScriptList.prototype = Object.create(Table.prototype);
ScriptList.prototype.constructor = ScriptList;
/**
* @exports opentype.FeatureList
* @class
* @param {opentype.Table}
* @constructor
* @extends opentype.Table
*/
function FeatureList(featureListTable) {
Table.call(this, 'featureListTable',
recordList('featureRecord', featureListTable, function(featureRecord, i) {
var feature = featureRecord.feature;
return [
{name: 'featureTag' + i, type: 'TAG', value: featureRecord.tag},
{name: 'feature' + i, type: 'TABLE', value: new Table('featureTable', [
{name: 'featureParams', type: 'USHORT', value: feature.featureParams},
].concat(ushortList('lookupListIndex', feature.lookupListIndexes)))}
];
})
);
}
FeatureList.prototype = Object.create(Table.prototype);
FeatureList.prototype.constructor = FeatureList;
/**
* @exports opentype.LookupList
* @class
* @param {opentype.Table}
* @param {Object}
* @constructor
* @extends opentype.Table
*/
function LookupList(lookupListTable, subtableMakers) {
Table.call(this, 'lookupListTable', tableList('lookup', lookupListTable, function(lookupTable) {
var subtableCallback = subtableMakers[lookupTable.lookupType];
check.assert(!!subtableCallback, 'Unable to write GSUB lookup type ' + lookupTable.lookupType + ' tables.');
return new Table('lookupTable', [
{name: 'lookupType', type: 'USHORT', value: lookupTable.lookupType},
{name: 'lookupFlag', type: 'USHORT', value: lookupTable.lookupFlag}
].concat(tableList('subtable', lookupTable.subtables, subtableCallback)));
}));
}
LookupList.prototype = Object.create(Table.prototype);
LookupList.prototype.constructor = LookupList;
// Record = same as Table, but inlined (a Table has an offset and its data is further in the stream)
// Don't use offsets inside Records (probable bug), only in Tables.
exports.Record = exports.Table = Table;
exports.Coverage = Coverage;
exports.ScriptList = ScriptList;
exports.FeatureList = FeatureList;
exports.LookupList = LookupList;
exports.ushortList = ushortList;
exports.tableList = tableList;
exports.recordList = recordList;

@@ -10,34 +10,31 @@ // The `cmap` table stores the mappings from characters to glyphs.

// Parse the `cmap` table. This table stores the mappings from characters to glyphs.
// There are many available formats, but we only support the Windows format 4.
// This function returns a `CmapEncoding` object or null if no supported format could be found.
function parseCmapTable(data, start) {
function parseCmapTableFormat12(cmap, p) {
var i;
var cmap = {};
cmap.version = parse.getUShort(data, start);
check.argument(cmap.version === 0, 'cmap table version should be 0.');
// The cmap table can contain many sub-tables, each with their own format.
// We're only interested in a "platform 3" table. This is a Windows format.
cmap.numTables = parse.getUShort(data, start + 2);
var offset = -1;
for (i = 0; i < cmap.numTables; i += 1) {
var platformId = parse.getUShort(data, start + 4 + (i * 8));
var encodingId = parse.getUShort(data, start + 4 + (i * 8) + 2);
if (platformId === 3 && (encodingId === 1 || encodingId === 0)) {
offset = parse.getULong(data, start + 4 + (i * 8) + 4);
break;
//Skip reserved.
p.parseUShort();
// Length in bytes of the sub-tables.
cmap.length = p.parseULong();
cmap.language = p.parseULong();
var groupCount;
cmap.groupCount = groupCount = p.parseULong();
cmap.glyphIndexMap = {};
for (i = 0; i < groupCount; i += 1) {
var startCharCode = p.parseULong();
var endCharCode = p.parseULong();
var startGlyphId = p.parseULong();
for (var c = startCharCode; c <= endCharCode; c += 1) {
cmap.glyphIndexMap[c] = startGlyphId;
startGlyphId++;
}
}
}
if (offset === -1) {
// There is no cmap table in the font that we support, so return null.
// This font will be marked as unsupported.
return null;
}
function parseCmapTableFormat4(cmap, p, data, start, offset) {
var i;
var p = new parse.Parser(data, start + offset);
cmap.format = p.parseUShort();
check.argument(cmap.format === 4, 'Only format 4 cmap tables are supported.');
// Length in bytes of the sub-tables.

@@ -56,3 +53,2 @@ cmap.length = p.parseUShort();

cmap.glyphIndexMap = {};
var endCountParser = new parse.Parser(data, start + offset + 14);

@@ -91,3 +87,43 @@ var startCountParser = new parse.Parser(data, start + offset + 16 + segCount * 2);

}
}
// Parse the `cmap` table. This table stores the mappings from characters to glyphs.
// There are many available formats, but we only support the Windows format 4 and 12.
// This function returns a `CmapEncoding` object or null if no supported format could be found.
function parseCmapTable(data, start) {
var i;
var cmap = {};
cmap.version = parse.getUShort(data, start);
check.argument(cmap.version === 0, 'cmap table version should be 0.');
// The cmap table can contain many sub-tables, each with their own format.
// We're only interested in a "platform 3" table. This is a Windows format.
cmap.numTables = parse.getUShort(data, start + 2);
var offset = -1;
for (i = cmap.numTables - 1; i >= 0; i -= 1) {
var platformId = parse.getUShort(data, start + 4 + (i * 8));
var encodingId = parse.getUShort(data, start + 4 + (i * 8) + 2);
if (platformId === 3 && (encodingId === 0 || encodingId === 1 || encodingId === 10)) {
offset = parse.getULong(data, start + 4 + (i * 8) + 4);
break;
}
}
if (offset === -1) {
// There is no cmap table in the font that we support, so return null.
// This font will be marked as unsupported.
return null;
}
var p = new parse.Parser(data, start + offset);
cmap.format = p.parseUShort();
if (cmap.format === 12) {
parseCmapTableFormat12(cmap, p);
} else if (cmap.format === 4) {
parseCmapTableFormat4(cmap, p, data, start, offset);
} else {
throw new Error('Only format 4 and 12 cmap tables are supported.');
}
return cmap;

@@ -94,0 +130,0 @@ }

@@ -41,6 +41,6 @@ // The `glyf` table describes the glyphs in TrueType outline format.

glyph.numberOfContours = p.parseShort();
glyph.xMin = p.parseShort();
glyph.yMin = p.parseShort();
glyph.xMax = p.parseShort();
glyph.yMax = p.parseShort();
glyph._xMin = p.parseShort();
glyph._yMin = p.parseShort();
glyph._xMax = p.parseShort();
glyph._yMax = p.parseShort();
var flags;

@@ -133,8 +133,21 @@ var flag;

// The arguments are words
component.dx = p.parseShort();
component.dy = p.parseShort();
if ((flags & 2) > 0) {
// values are offset
component.dx = p.parseShort();
component.dy = p.parseShort();
} else {
// values are matched points
component.matchedPoints = [p.parseUShort(), p.parseUShort()];
}
} else {
// The arguments are bytes
component.dx = p.parseChar();
component.dy = p.parseChar();
if ((flags & 2) > 0) {
// values are offset
component.dx = p.parseChar();
component.dy = p.parseChar();
} else {
// values are matched points
component.matchedPoints = [p.parseByte(), p.parseByte()];
}
}

@@ -275,3 +288,24 @@

if (componentGlyph.points) {
var transformedPoints = transformPoints(componentGlyph.points, component);
var transformedPoints;
if (component.matchedPoints === undefined) {
// component positioned by offset
transformedPoints = transformPoints(componentGlyph.points, component);
} else {
// component positioned by matched points
if ((component.matchedPoints[0] > glyph.points.length - 1) ||
(component.matchedPoints[1] > componentGlyph.points.length - 1)) {
throw Error('Matched points out of range in ' + glyph.name);
}
var firstPt = glyph.points[component.matchedPoints[0]];
var secondPt = componentGlyph.points[component.matchedPoints[1]];
var transform = {
xScale: component.xScale, scale01: component.scale01,
scale10: component.scale10, yScale: component.yScale,
dx: 0, dy: 0
};
secondPt = transformPoints([secondPt], transform)[0];
transform.dx = firstPt.x - secondPt.x;
transform.dy = firstPt.y - secondPt.y;
transformedPoints = transformPoints(componentGlyph.points, transform);
}
glyph.points = glyph.points.concat(transformedPoints);

@@ -278,0 +312,0 @@ }

@@ -747,2 +747,7 @@ // The `name` naming table.

nameID = parseInt(id);
if (isNaN(nameID)) {
throw new Error('Name table entry "' + key + '" does not exist, see nameTableNames for complete list.');
}
namesWithNumericKeys[nameID] = names[key];

@@ -749,0 +754,0 @@ nameIDs.push(nameID);

@@ -22,2 +22,4 @@ // The `sfnt` wrapper provides organization for the tables in the font.

var post = require('./post');
var gsub = require('./gsub');
var meta = require('./meta');

@@ -302,2 +304,4 @@ function log2(v) {

var metaTable = (font.metas && Object.keys(font.metas).length > 0) ? meta.make(font.metas) : undefined;
// The order does not matter because makeSfntTable() will sort them.

@@ -308,2 +312,9 @@ var tables = [headTable, hheaTable, maxpTable, os2Table, nameTable, cmapTable, postTable, cffTable, hmtxTable];

}
// Optional tables
if (font.tables.gsub) {
tables.push(gsub.make(font.tables.gsub));
}
if (metaTable) {
tables.push(metaTable);
}

@@ -310,0 +321,0 @@ var sfntTable = makeSfntTable(tables);

@@ -13,4 +13,16 @@ // Data types used in the OpenType font file.

/**
* @exports opentype.decode
* @class
*/
var decode = {};
/**
* @exports opentype.encode
* @class
*/
var encode = {};
/**
* @exports opentype.sizeOf
* @class
*/
var sizeOf = {};

@@ -27,3 +39,7 @@

// Convert an 8-bit unsigned integer to a list of 1 byte.
/**
* Convert an 8-bit unsigned integer to a list of 1 byte.
* @param {number}
* @returns {Array}
*/
encode.BYTE = function(v) {

@@ -33,6 +49,13 @@ check.argument(v >= 0 && v <= 255, 'Byte value should be between 0 and 255.');

};
/**
* @constant
* @type {number}
*/
sizeOf.BYTE = constant(1);
// Convert a 8-bit signed integer to a list of 1 byte.
/**
* Convert a 8-bit signed integer to a list of 1 byte.
* @param {string}
* @returns {Array}
*/
encode.CHAR = function(v) {

@@ -42,9 +65,17 @@ return [v.charCodeAt(0)];

/**
* @constant
* @type {number}
*/
sizeOf.CHAR = constant(1);
// Convert an ASCII string to a list of bytes.
/**
* Convert an ASCII string to a list of bytes.
* @param {string}
* @returns {Array}
*/
encode.CHARARRAY = function(v) {
var b = [];
for (var i = 0; i < v.length; i += 1) {
b.push(v.charCodeAt(i));
b[i] = v.charCodeAt(i);
}

@@ -55,2 +86,6 @@

/**
* @param {Array}
* @returns {number}
*/
sizeOf.CHARARRAY = function(v) {

@@ -60,3 +95,7 @@ return v.length;

// Convert a 16-bit unsigned integer to a list of 2 bytes.
/**
* Convert a 16-bit unsigned integer to a list of 2 bytes.
* @param {number}
* @returns {Array}
*/
encode.USHORT = function(v) {

@@ -66,5 +105,13 @@ return [(v >> 8) & 0xFF, v & 0xFF];

/**
* @constant
* @type {number}
*/
sizeOf.USHORT = constant(2);
// Convert a 16-bit signed integer to a list of 2 bytes.
/**
* Convert a 16-bit signed integer to a list of 2 bytes.
* @param {number}
* @returns {Array}
*/
encode.SHORT = function(v) {

@@ -79,5 +126,13 @@ // Two's complement

/**
* @constant
* @type {number}
*/
sizeOf.SHORT = constant(2);
// Convert a 24-bit unsigned integer to a list of 3 bytes.
/**
* Convert a 24-bit unsigned integer to a list of 3 bytes.
* @param {number}
* @returns {Array}
*/
encode.UINT24 = function(v) {

@@ -87,5 +142,13 @@ return [(v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF];

/**
* @constant
* @type {number}
*/
sizeOf.UINT24 = constant(3);
// Convert a 32-bit unsigned integer to a list of 4 bytes.
/**
* Convert a 32-bit unsigned integer to a list of 4 bytes.
* @param {number}
* @returns {Array}
*/
encode.ULONG = function(v) {

@@ -95,5 +158,13 @@ return [(v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF];

/**
* @constant
* @type {number}
*/
sizeOf.ULONG = constant(4);
// Convert a 32-bit unsigned integer to a list of 4 bytes.
/**
* Convert a 32-bit unsigned integer to a list of 4 bytes.
* @param {number}
* @returns {Array}
*/
encode.LONG = function(v) {

@@ -108,2 +179,6 @@ // Two's complement

/**
* @constant
* @type {number}
*/
sizeOf.LONG = constant(4);

@@ -120,4 +195,7 @@

// FIXME Implement LONGDATETIME
// Convert a 32-bit Apple Mac timestamp integer to a list of 8 bytes, 64-bit timestamp.
/**
* Convert a 32-bit Apple Mac timestamp integer to a list of 8 bytes, 64-bit timestamp.
* @param {number}
* @returns {Array}
*/
encode.LONGDATETIME = function(v) {

@@ -127,5 +205,13 @@ return [0, 0, 0, 0, (v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF];

/**
* @constant
* @type {number}
*/
sizeOf.LONGDATETIME = constant(8);
// Convert a 4-char tag to a list of 4 bytes.
/**
* Convert a 4-char tag to a list of 4 bytes.
* @param {string}
* @returns {Array}
*/
encode.TAG = function(v) {

@@ -139,2 +225,6 @@ check.argument(v.length === 4, 'Tag should be exactly 4 ASCII characters.');

/**
* @constant
* @type {number}
*/
sizeOf.TAG = constant(4);

@@ -157,2 +247,7 @@

// Convert a numeric operand or charstring number to a variable-size list of bytes.
/**
* Convert a numeric operand or charstring number to a variable-size list of bytes.
* @param {number}
* @returns {Array}
*/
encode.NUMBER = function(v) {

@@ -174,2 +269,6 @@ if (v >= -107 && v <= 107) {

/**
* @param {number}
* @returns {number}
*/
sizeOf.NUMBER = function(v) {

@@ -179,4 +278,8 @@ return encode.NUMBER(v).length;

// Convert a signed number between -32768 and +32767 to a three-byte value.
// This ensures we always use three bytes, but is not the most compact format.
/**
* Convert a signed number between -32768 and +32767 to a three-byte value.
* This ensures we always use three bytes, but is not the most compact format.
* @param {number}
* @returns {Array}
*/
encode.NUMBER16 = function(v) {

@@ -186,7 +289,15 @@ return [28, (v >> 8) & 0xFF, v & 0xFF];

/**
* @constant
* @type {number}
*/
sizeOf.NUMBER16 = constant(3);
// Convert a signed number between -(2^31) and +(2^31-1) to a five-byte value.
// This is useful if you want to be sure you always use four bytes,
// at the expense of wasting a few bytes for smaller numbers.
/**
* Convert a signed number between -(2^31) and +(2^31-1) to a five-byte value.
* This is useful if you want to be sure you always use four bytes,
* at the expense of wasting a few bytes for smaller numbers.
* @param {number}
* @returns {Array}
*/
encode.NUMBER32 = function(v) {

@@ -196,4 +307,12 @@ return [29, (v >> 24) & 0xFF, (v >> 16) & 0xFF, (v >> 8) & 0xFF, v & 0xFF];

/**
* @constant
* @type {number}
*/
sizeOf.NUMBER32 = constant(5);
/**
* @param {number}
* @returns {Array}
*/
encode.REAL = function(v) {

@@ -235,2 +354,6 @@ var value = v.toString();

/**
* @param {number}
* @returns {number}
*/
sizeOf.REAL = function(v) {

@@ -246,2 +369,24 @@ return encode.REAL(v).length;

/**
* @param {DataView} data
* @param {number} offset
* @param {number} numBytes
* @returns {string}
*/
decode.UTF8 = function(data, offset, numBytes) {
var codePoints = [];
var numChars = numBytes;
for (var j = 0; j < numChars; j++, offset += 1) {
codePoints[j] = data.getUint8(offset);
}
return String.fromCharCode.apply(null, codePoints);
};
/**
* @param {DataView} data
* @param {number} offset
* @param {number} numBytes
* @returns {string}
*/
decode.UTF16 = function(data, offset, numBytes) {

@@ -257,3 +402,7 @@ var codePoints = [];

// Convert a JavaScript string to UTF16-BE.
/**
* Convert a JavaScript string to UTF16-BE.
* @param {string}
* @returns {Array}
*/
encode.UTF16 = function(v) {

@@ -263,4 +412,4 @@ var b = [];

var codepoint = v.charCodeAt(i);
b.push((codepoint >> 8) & 0xFF);
b.push(codepoint & 0xFF);
b[b.length] = (codepoint >> 8) & 0xFF;
b[b.length] = codepoint & 0xFF;
}

@@ -271,2 +420,6 @@

/**
* @param {string}
* @returns {number}
*/
sizeOf.UTF16 = function(v) {

@@ -286,2 +439,5 @@ return v.length * 2;

// print(s.encode('utf-8'))
/**
* @private
*/
var eightBitMacEncodings = {

@@ -322,6 +478,13 @@ 'x-mac-croatian': // Python: 'mac_croatian'

// Decodes an old-style Macintosh string. Returns either a Unicode JavaScript
// string, or 'undefined' if the encoding is unsupported. For example, we do
// not support Chinese, Japanese or Korean because these would need large
// mapping tables.
/**
* Decodes an old-style Macintosh string. Returns either a Unicode JavaScript
* string, or 'undefined' if the encoding is unsupported. For example, we do
* not support Chinese, Japanese or Korean because these would need large
* mapping tables.
* @param {DataView} dataView
* @param {number} offset
* @param {number} dataLength
* @param {string} encoding
* @returns {string}
*/
decode.MACSTRING = function(dataView, offset, dataLength, encoding) {

@@ -399,6 +562,11 @@ var table = eightBitMacEncodings[encoding];

// Encodes an old-style Macintosh string. Returns a byte array upon success.
// If the requested encoding is unsupported, or if the input string contains
// a character that cannot be expressed in the encoding, the function returns
// 'undefined'.
/**
* Encodes an old-style Macintosh string. Returns a byte array upon success.
* If the requested encoding is unsupported, or if the input string contains
* a character that cannot be expressed in the encoding, the function returns
* 'undefined'.
* @param {string} str
* @param {string} encoding
* @returns {Array}
*/
encode.MACSTRING = function(str, encoding) {

@@ -424,4 +592,4 @@ var table = getMacEncodingTable(encoding);

}
result.push(c);
result[i] = c;
// result.push(c);
}

@@ -432,2 +600,7 @@

/**
* @param {string} str
* @param {string} encoding
* @returns {number}
*/
sizeOf.MACSTRING = function(str, encoding) {

@@ -444,6 +617,10 @@ var b = encode.MACSTRING(str, encoding);

// The values should be objects containing name / type / value.
/**
* @param {Array} l
* @returns {Array}
*/
encode.INDEX = function(l) {
var i;
//var offset, offsets, offsetEncoder, encodedOffsets, encodedOffset, data,
// dataSize, i, v;
// i, v;
// Because we have to know which data type to use to encode the offsets,

@@ -455,7 +632,5 @@ // we have to go through the values twice: once to encode the data and

var data = [];
var dataSize = 0;
for (i = 0; i < l.length; i += 1) {
var v = encode.OBJECT(l[i]);
Array.prototype.push.apply(data, v);
dataSize += v.length;
offset += v.length;

@@ -470,3 +645,3 @@ offsets.push(offset);

var encodedOffsets = [];
var offSize = (1 + Math.floor(Math.log(dataSize) / Math.log(2)) / 8) | 0;
var offSize = (1 + Math.floor(Math.log(offset) / Math.log(2)) / 8) | 0;
var offsetEncoder = [undefined, encode.BYTE, encode.USHORT, encode.UINT24, encode.ULONG][offSize];

@@ -484,2 +659,6 @@ for (i = 0; i < offsets.length; i += 1) {

/**
* @param {Array}
* @returns {number}
*/
sizeOf.INDEX = function(v) {

@@ -489,5 +668,9 @@ return encode.INDEX(v).length;

// Convert an object to a CFF DICT structure.
// The keys should be numeric.
// The values should be objects containing name / type / value.
/**
* Convert an object to a CFF DICT structure.
* The keys should be numeric.
* The values should be objects containing name / type / value.
* @param {Object} m
* @returns {Array}
*/
encode.DICT = function(m) {

@@ -510,2 +693,6 @@ var d = [];

/**
* @param {Object}
* @returns {number}
*/
sizeOf.DICT = function(m) {

@@ -515,2 +702,6 @@ return encode.DICT(m).length;

/**
* @param {number}
* @returns {Array}
*/
encode.OPERATOR = function(v) {

@@ -524,2 +715,7 @@ if (v < 1200) {

/**
* @param {Array} v
* @param {string}
* @returns {Array}
*/
encode.OPERAND = function(v, type) {

@@ -557,3 +753,8 @@ var d = [];

var wmm = typeof WeakMap === 'function' && new WeakMap();
// Convert a list of CharString operations to bytes.
/**
* Convert a list of CharString operations to bytes.
* @param {Array}
* @returns {Array}
*/
encode.CHARSTRING = function(ops) {

@@ -583,2 +784,6 @@ // See encode.MACSTRING for why we don't do "if (wmm && wmm.has(ops))".

/**
* @param {Array}
* @returns {number}
*/
sizeOf.CHARSTRING = function(ops) {

@@ -590,3 +795,7 @@ return encode.CHARSTRING(ops).length;

// Convert an object containing name / type / value to bytes.
/**
* Convert an object containing name / type / value to bytes.
* @param {Object}
* @returns {Array}
*/
encode.OBJECT = function(v) {

@@ -598,2 +807,6 @@ var encodingFunction = encode[v.type];

/**
* @param {Object}
* @returns {number}
*/
sizeOf.OBJECT = function(v) {

@@ -605,5 +818,9 @@ var sizeOfFunction = sizeOf[v.type];

// Convert a table object to bytes.
// A table contains a list of fields containing the metadata (name, type and default value).
// The table itself has the field values set as attributes.
/**
* Convert a table object to bytes.
* A table contains a list of fields containing the metadata (name, type and default value).
* The table itself has the field values set as attributes.
* @param {opentype.Table}
* @returns {Array}
*/
encode.TABLE = function(table) {

@@ -648,2 +865,6 @@ var d = [];

/**
* @param {opentype.Table}
* @returns {number}
*/
sizeOf.TABLE = function(table) {

@@ -650,0 +871,0 @@ var numBytes = 0;

@@ -30,1 +30,4 @@ 'use strict';

exports.unhex = unhex;
exports.unhexArray = function(str) {
return Array.prototype.slice.call(new Uint8Array(unhex(str).buffer));
};

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