opentype.js - npm Package Compare versions

Comparing version 0.4.7 to 0.4.8

bower.json

 {
   "name": "opentype.js",
-  "version": "0.4.7",
+  "version": "0.4.8",
   "main": "dist/opentype.js",
@@ -5,0 +5,0 @@ "keywords": [

package.json

 {
   "name": "opentype.js",
   "description": "OpenType font parser",
-  "version": "0.4.7",
+  "version": "0.4.8",
   "author": {
@@ -6,0 +6,0 @@ "name": "Frederik De Bleser",

RELEASES.md

@@ -0,1 +1,5 @@
+0.4.8 (June 3, 2015)
+====================
+* Fix an issue with writing out fonts that have an UPM != 1000.
+
 0.4.6 (March 26, 2015)
@@ -2,0 +6,0 @@ ======================

src/tables/cff.js

@@ -1058,2 +1058,3 @@ // The `CFF` table contains the glyph outlines in PostScript format.
 
+    var fontScale = 1 / options.unitsPerEm;
     // We use non-zero values for the offsets so that the DICT encodes them.
@@ -1067,2 +1068,3 @@ // This is important because the size of the Top DICT plays a role in offset calculation,
         weight: options.weightName,
+        fontMatrix: [fontScale, 0, 0, fontScale, 0, 0],
         charset: 999,
@@ -1069,0 +1071,0 @@ encoding: 0,

src/tables/sfnt.js

@@ -268,3 +268,4 @@ // The `sfnt` wrapper provides organization for the tables in the font.
         weightName: font.styleName,
-        postScriptName: postScriptName
+        postScriptName: postScriptName,
+        unitsPerEm: font.unitsPerEm
     });
@@ -271,0 +272,0 @@ // Order the tables according to the the OpenType specification 1.4.

src/types.js

@@ -179,2 +179,42 @@ // Data types used in the OpenType font file.
 
+encode.REAL = function(v) {
+    var value = v.toString();
+
+    // Some numbers use an epsilon to encode the value. (e.g. JavaScript will store 0.0000001 as 1e-7)
+    // This code converts it back to a number without the epsilon.
+    var m = /\.(\d*?)(?:9{5,20}|0{5,20})\d{0,2}(?:e(.+)|$)/.exec(value);
+    if (m) {
+        var epsilon = parseFloat('1e' + ((m[2] ? +m[2] : 0) + m[1].length));
+        value = (Math.round(v * epsilon) / epsilon).toString();
+    }
+
+    var nibbles = '';
+    var i;
+    var ii;
+    for (i = 0, ii = value.length; i < ii; i += 1) {
+        var c = value[i];
+        if (c === 'e') {
+            nibbles += value[++i] === '-' ? 'c' : 'b';
+        } else if (c === '.') {
+            nibbles += 'a';
+        } else if (c === '-') {
+            nibbles += 'e';
+        } else {
+            nibbles += c;
+        }
+    }
+
+    nibbles += (nibbles.length & 1) ? 'f' : 'ff';
+    var out = [30];
+    for (i = 0, ii = nibbles.length; i < ii; i += 2) {
+        out.push(parseInt(nibbles.substr(i, 2), 16));
+    }
+
+    return out;
+};
+
+sizeOf.REAL = function(v) {
+    return encode.REAL(v).length;
+};
+
 encode.NAME = encode.CHARARRAY;
@@ -290,5 +330,9 @@ sizeOf.NAME = sizeOf.CHARARRAY;
             d = d.concat(encode.NUMBER32(v));
+        } else if (type === 'number') {
+            d = d.concat(encode.NUMBER(v));
+        } else if (type === 'real') {
+            d = d.concat(encode.REAL(v));
         } else {
+            throw new Error('Unknown operand type ' + type);
             // FIXME Add support for booleans
-            d = d.concat(encode.NUMBER(v));
         }
@@ -295,0 +339,0 @@ }

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Quality

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Found 1 instance in 1 package

Improved metrics

Total package byte prevSize

916701

increased by0.97%

Number of package files

51

increased by6.25%

Lines of code

14115

increased by3.47%

Number of low quality alerts

3

decreased by-25%

No dependency changes