From: notmasteryet <async.processingjs@yahoo.com>
Date: Thu, 29 Sep 2011 01:55:06 +0000 (-0500)
Subject: Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into cid0
X-Git-Url: https://git.parisson.com/?a=commitdiff_plain;h=078433fecd61f270530bcd71818f104332b7f698;p=pdf.js.git

Merge branch 'master' of https://github.com/andreasgal/pdf.js.git into cid0

Conflicts:
	pdf.js
---

078433fecd61f270530bcd71818f104332b7f698
diff --cc pdf.js
index 212769d,ff0488f..66e575a
--- a/pdf.js
+++ b/pdf.js
@@@ -4437,107 -4444,72 +4444,107 @@@ var PartialEvaluator = (function partia
                                                                properties) {
        var type = properties.type, encoding;
        if (properties.composite) {
 -        if (type == 'CIDFontType2') {
 -          var defaultWidth = xref.fetchIfRef(dict.get('DW')) || 1000;
 -          properties.defaultWidth = defaultWidth;
 -
 -          var glyphsWidths = {};
 -          var widths = xref.fetchIfRef(dict.get('W'));
 -          if (widths) {
 -            var start = 0, end = 0;
 -            for (var i = 0; i < widths.length; i++) {
 -              var code = widths[i];
 -              if (isArray(code)) {
 -                for (var j = 0; j < code.length; j++)
 -                  glyphsWidths[start++] = code[j];
 -                start = 0;
 -              } else if (start) {
 -                var width = widths[++i];
 -                for (var j = start; j <= code; j++)
 -                  glyphsWidths[j] = width;
 -                start = 0;
 -              } else {
 -                start = code;
 -              }
 +        var defaultWidth = xref.fetchIfRef(dict.get('DW')) || 1000;
 +        properties.defaultWidth = defaultWidth;
 +
 +        var glyphsWidths = {};
 +        var widths = xref.fetchIfRef(dict.get('W'));
 +        if (widths) {
 +          var start = 0, end = 0;
 +          for (var i = 0; i < widths.length; i++) {
 +            var code = widths[i];
-             if (IsArray(code)) {
++            if (isArray(code)) {
 +              for (var j = 0; j < code.length; j++)
 +                glyphsWidths[start++] = code[j];
 +              start = 0;
 +            } else if (start) {
 +              var width = widths[++i];
 +              for (var j = start; j <= code; j++)
 +                glyphsWidths[j] = width;
 +              start = 0;
 +            } else {
 +              start = code;
              }
            }
 -          properties.widths = glyphsWidths;
 -
 -          var cidToGidMap = dict.get('CIDToGIDMap');
 -          if (!cidToGidMap || !isRef(cidToGidMap)) {
 -            return Object.create(GlyphsUnicode);
 -          }
 -
 -          // Extract the encoding from the CIDToGIDMap
 -          var glyphsStream = xref.fetchIfRef(cidToGidMap);
 -          var glyphsData = glyphsStream.getBytes(0);
 -
 -          // Glyph ids are big-endian 2-byte values
 -          encoding = properties.encoding;
 -
 -          // Set encoding 0 to later verify the font has an encoding
 -          encoding[0] = { unicode: 0, width: 0 };
 -          for (var j = 0; j < glyphsData.length; j++) {
 -            var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
 -            if (glyphID == 0)
 -              continue;
 -
 -            var code = j >> 1;
 -            var width = glyphsWidths[code];
 -            encoding[code] = {
 -              unicode: glyphID,
 -              width: isNum(width) ? width : defaultWidth
 -            };
 +        }
 +        properties.widths = glyphsWidths;
 +
 +        // Glyph ids are big-endian 2-byte values
 +        encoding = properties.encoding;
 +
 +        var cidToGidMap = dict.get('CIDToGIDMap');
-         if (!cidToGidMap || !IsRef(cidToGidMap)) {
++        if (!cidToGidMap || !isRef(cidToGidMap)) {
 +          // trying to guess encoding from CIDSystemInfo
 +          var cidSystemInfo = dict.get('CIDSystemInfo');
 +          var cidToUnicode;
-           if (IsDict(cidSystemInfo)) {
++          if (isDict(cidSystemInfo)) {
 +            cidToUnicode = CIDToUnicodeMaps[
 +              cidSystemInfo.get('Registry') + '-' +
 +              cidSystemInfo.get('Ordering')];
            }
 -        } else if (type == 'CIDFontType0') {
 -          if (isName(encoding)) {
 -            // Encoding is a predefined CMap
 -            if (encoding.name == 'Identity-H') {
 -              TODO('Need to create an identity cmap');
 -            } else {
 -              TODO('Need to support predefined CMaps see PDF 32000-1:2008 ' +
 -                   '9.7.5.2 Predefined CMaps');
 +          if (cidToUnicode) {
 +            encoding[0] = { unicode: 0, width: 0 };
 +            var glyph = 1, i, j;
 +            for (i = 0; i < cidToUnicode.length; ++i) {
 +              var unicode = cidToUnicode[i];
-               if (IsArray(unicode)) {
++              if (isArray(unicode)) {
 +                var length = unicode.length;
 +                if (glyph in glyphsWidths) {
 +                  for (j = 0; j < length; j++) {
 +                    encoding[unicode[j]] = {
 +                      unicode: unicode[j],
 +                      width: glyphsWidths[glyph]
 +                    };
 +                  }
 +                }
 +                glyph++;
 +              } else if (typeof unicode === 'object') {
 +                var fillLength = unicode.f;
 +                if (fillLength) {
 +                  unicode = unicode.c;
 +                  for (j = 0; j < fillLength; ++j) {
 +                    if (!(glyph in glyphsWidths))
 +                      continue;
 +                    encoding[unicode] = {
 +                      unicode: unicode,
 +                      width: glyphsWidths[glyph]
 +                    };
 +                    unicode++;
 +                    glyph++;
 +                  }
 +                } else
 +                  glyph += unicode.s;
 +              } else if (unicode) {
 +                encoding[unicode] = {
 +                  unicode: unicode,
 +                  width: glyphsWidths[glyph++]
 +                };
 +              }
              }
 -          } else {
 -            TODO('Need to support encoding streams see PDF 32000-1:2008 ' +
 -                 '9.7.5.3');
            }
 +
 +          return Object.create(GlyphsUnicode);
          }
 +
 +        // Extract the encoding from the CIDToGIDMap
 +        var glyphsStream = xref.fetchIfRef(cidToGidMap);
 +        var glyphsData = glyphsStream.getBytes(0);
 +
 +        // Set encoding 0 to later verify the font has an encoding
 +        encoding[0] = { unicode: 0, width: 0 };
 +        for (var j = 0; j < glyphsData.length; j++) {
 +          var glyphID = (glyphsData[j++] << 8) | glyphsData[j];
 +          if (glyphID == 0)
 +            continue;
 +
 +          var code = j >> 1;
 +          var width = glyphsWidths[code];
 +          encoding[code] = {
 +            unicode: glyphID,
-             width: IsNum(width) ? width : defaultWidth
++            width: isNum(width) ? width : defaultWidth
 +          };
 +        }
 +
          return Object.create(GlyphsUnicode);
        }