Style/theme implementation

README.md

@@ -210,6 +210,7 @@ that does not start with `!` corresponds to a cell (using `A-1` notation).
 - `.c` : comments associated with the cell
 - `.z` : the number format string associated with the cell (if requested)
 - `.l` : the hyperlink of the cell (.Target holds link, .tooltip is tooltip)
+- `.s` : the style/theme of the cell (if applicable)
 
 For dates, `.v` holds the raw date code from the sheet and `.w` holds the text
 
@@ -222,6 +223,7 @@ The exported `read` and `readFile` functions accept an options argument:
 | cellFormula | true    | Save formulae to the .f field |
 | cellHTML    | true    | Parse rich text and save HTML to the .h field |
 | cellNF      | false   | Save number format string to the .z field |
+| cellStyles  | false   | Save style/theme info to the .s field |
 | sheetStubs  | false   | Create cell objects for stub cells |
 | sheetRows   | 0       | If >0, read the first `sheetRows` rows ** |
 | bookDeps    | false   | If true, parse calculation chains |

bits/56_stycommon.js

@@ -1,2 +1,4 @@
 var styles = {}; // shared styles
 
+var themes = {}; // shared themes
+

bits/57_styxml.js

@@ -1,3 +1,48 @@
+/* 18.8.21 fills CT_Fills */
+function parse_fills(t, opts) {
+	styles.Fills = [];
+	var fill = {};
+	t[0].match(/<[^>]*>/g).forEach(function(x) {
+		var y = parsexmltag(x);
+		switch(y[0]) {
+			case '<fills': case '<fills>': case '</fills>': break;
+
+			/* 18.8.20 fill CT_Fill */
+			case '<fill>': break;
+			case '</fill>': styles.Fills.push(fill); fill = {}; break;
+
+			/* 18.8.32 patternFill CT_PatternFill */
+			case '<patternFill':
+				if(y.patternType) fill.patternType = y.patternType;
+				break;
+			case '<patternFill/>': break;
+
+			/* 18.8.3 bgColor CT_Color */
+			case '<bgColor':
+				if(!fill.bgColor) fill.bgColor = {};
+				if(y.indexed) fill.bgColor.indexed = parseInt(y.indexed);
+				if(y.theme) fill.bgColor.theme = parseInt(y.theme);
+				if(y.tint) fill.bgColor.tint = Number(y.tint);
+				/* Excel uses 8 character RGB strings? */
+				if(y.rgb) fill.bgColor.rgb = y.rgb.substring(y.rgb.length - 6);
+				break;
+			case '</bgColor>': break;
+
+			/* 18.8.19 fgColor CT_Color */
+			case '<fgColor':
+				if(!fill.fgColor) fill.fgColor = {};
+				if(y.theme) fill.fgColor.theme = parseInt(y.theme);
+				if(y.tint) fill.fgColor.tint = Number(y.tint);
+				/* Excel uses 8 character RGB strings? */
+				if(y.rgb) fill.fgColor.rgb = y.rgb.substring(y.rgb.length - 6);
+				break;
+			case '</fgColor>': break;
+
+			default: if(opts.WTF) throw 'unrecognized ' + y[0] + ' in fills';
+		}
+	});
+}
+
 /* 18.8.31 numFmts CT_NumFmts */
 function parse_numFmts(t, opts) {
 	styles.NumberFmt = [];
@@ -38,6 +83,7 @@ function parse_cellXfs(t, opts) {
 			/* 18.8.45 xf CT_Xf */
 			case '<xf': delete y[0];
 				if(y.numFmtId) y.numFmtId = parseInt(y.numFmtId, 10);
+				if(y.fillId) y.fillId = parseInt(y.fillId, 10);
 				styles.CellXf.push(y); break;
 			case '</xf>': break;
 
@@ -73,7 +119,10 @@ function parse_sty_xml(data, opts) {
 	if((t=data.match(/<numFmts([^>]*)>.*<\/numFmts>/))) parse_numFmts(t, opts);
 
 	/* fonts CT_Fonts ? */
-	/* fills CT_Fills ? */
+
+	/* fills CT_Fills */
+	if((t=data.match(/<fills([^>]*)>.*<\/fills>/))) parse_fills(t, opts);
+
 	/* borders CT_Borders ? */
 	/* cellStyleXfs CT_CellStyleXfs ? */
 

bits/59_theme.js

@@ -1,3 +1,185 @@
 RELS.THEME = "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme";
 
+/* Various RGB/HSL utility functions - might want to put these elsewhere. */
+/* From http://www.javascripter.net/faq/hextorgb.htm, usage: var X = hexToX('FFFFFF') */
+function cutHex(h) {return (h.charAt(0)=="#") ? h.substring(1,7):h}
+function hexToR(h) {return parseInt((cutHex(h)).substring(0,2),16)}
+function hexToG(h) {return parseInt((cutHex(h)).substring(2,4),16)}
+function hexToB(h) {return parseInt((cutHex(h)).substring(4,6),16)}
+/* From http://www.javascripter.net/faq/rgbtohex.htm, usage: var RGB = rgbToHex(R, G, B) */
+function toHex(n) {
+ n = parseInt(n,10);
+ if (isNaN(n)) return "00";
+ n = Math.max(0,Math.min(n,255));
+ return "0123456789ABCDEF".charAt((n-n%16)/16)
+      + "0123456789ABCDEF".charAt(n%16);
+}
+function rgbToHex(R,G,B) {return toHex(R)+toHex(G)+toHex(B)}
+/* From the specification. */
+var HLSMAX = 255;
+/* From https://gist.github.com/mjackson/5311256 via http://stackoverflow.com/a/9493060 */
+/**
+ * Converts an RGB color value to HSL. Conversion formula
+ * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
+ * Assumes r, g, and b are contained in the set [0, 255] and
+ * returns h, s, and l in the set [0, 1].
+ *
+ * @param   Number  r       The red color value
+ * @param   Number  g       The green color value
+ * @param   Number  b       The blue color value
+ * @return  Array           The HSL representation
+ */
+function rgbToHsl(r, g, b){
+    r /= 255, g /= 255, b /= 255;
+    var max = Math.max(r, g, b), min = Math.min(r, g, b);
+    var h, s, l = (max + min) / 2;
+
+    if(max == min){
+        h = s = 0; // achromatic
+    }else{
+        var d = max - min;
+        s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
+        switch(max){
+            case r: h = (g - b) / d + (g < b ? 6 : 0); break;
+            case g: h = (b - r) / d + 2; break;
+            case b: h = (r - g) / d + 4; break;
+        }
+        h /= 6;
+    }
+
+    return [h, s, l];
+}
+/**
+ * Converts an HSL color value to RGB. Conversion formula
+ * adapted from http://en.wikipedia.org/wiki/HSL_color_space.
+ * Assumes h, s, and l are contained in the set [0, 1] and
+ * returns r, g, and b in the set [0, 255].
+ *
+ * @param   Number  h       The hue
+ * @param   Number  s       The saturation
+ * @param   Number  l       The lightness
+ * @return  Array           The RGB representation
+ */
+function hslToRgb(h, s, l){
+    var r, g, b;
+
+    if(s == 0){
+        r = g = b = l; // achromatic
+    }else{
+        function hue2rgb(p, q, t){
+            if(t < 0) t += 1;
+            if(t > 1) t -= 1;
+            if(t < 1/6) return p + (q - p) * 6 * t;
+            if(t < 1/2) return q;
+            if(t < 2/3) return p + (q - p) * (2/3 - t) * 6;
+            return p;
+        }
+
+        var q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+        var p = 2 * l - q;
+        r = hue2rgb(p, q, h + 1/3);
+        g = hue2rgb(p, q, h);
+        b = hue2rgb(p, q, h - 1/3);
+    }
+
+    return [Math.round(r * 255), Math.round(g * 255), Math.round(b * 255)];
+}
+/* Utility function to apply tint to an RGB color. */
+function rgb_tint(rgb, tint) {
+	var r = hexToR(rgb),
+	    g = hexToG(rgb),
+	    b = hexToB(rgb),
+	    hsl = rgbToHsl(r, g, b);
+
+	/* Apply tint as described in pages 1757-1758 of the ECMA Office Open XML specification. */
+	/* NOTE: This is totally messed up... see http://social.msdn.microsoft.com/Forums/en-US/e9d8c136-6d62-4098-9b1b-dac786149f43/excel-color-tint-algorithm-incorrect */
+	if (tint < 0) {
+		hsl[2] = hsl[2] * (1.0 + tint);
+	} else if (tint > 0) {
+		hsl[2] = hsl[2] * (1.0 + tint);
+
+		// XXX This doesn't work...
+		//hsl[2] = hsl[2] * (1.0 - tint) + (HLSMAX - HLSMAX * (1.0 - tint));
+	}
+
+	rgb = hslToRgb(hsl[0], hsl[1], hsl[2]);
+
+	return rgbToHex(rgb[0], rgb[1], rgb[2]);
+}
+
+function parse_clrScheme(t, opts) {
+	themes.themeElements.clrScheme = [];
+	var color = {};
+	t[0].match(/<[^>]*>/g).forEach(function(x) {
+		var y = parsexmltag(x);
+		switch(y[0]) {
+			case '<a:clrScheme': case '<<a:clrScheme>': case '</<a:clrScheme>': break;
+
+			/* 20.1.2.3.32 srgbClr CT_SRgbColor */
+			case '<a:srgbClr': color.rgb = y.val; break;
+
+			/* 20.1.2.3.33 sysClr CT_SystemColor */
+			case '<a:sysClr': color.rgb = y.lastClr; break;
+
+			/* 20.1.4.1.9 dk1 (Dark 1) */
+			case '<a:dk1>':
+			case '</a:dk1>':
+			/* 20.1.4.1.10 dk2 (Dark 2) */
+			case '<a:dk2>':
+			case '</a:dk2>':
+			/* 20.1.4.1.22 lt1 (Light 1) */
+			case '<a:lt1>':
+			case '</a:lt1>':
+			/* 20.1.4.1.23 lt2 (Light 2) */
+			case '<a:lt2>':
+			case '</a:lt2>':
+			/* 20.1.4.1.1 accent1 (Accent 1) */
+			case '<a:accent1>':
+			case '</a:accent1>':
+			/* 20.1.4.1.2 accent2 (Accent 2) */
+			case '<a:accent2>':
+			case '</a:accent2>':
+			/* 20.1.4.1.3 accent3 (Accent 3) */
+			case '<a:accent3>':
+			case '</a:accent3>':
+			/* 20.1.4.1.4 accent4 (Accent 4) */
+			case '<a:accent4>':
+			case '</a:accent4>':
+			/* 20.1.4.1.5 accent5 (Accent 5) */
+			case '<a:accent5>':
+			case '</a:accent5>':
+			/* 20.1.4.1.6 accent6 (Accent 6) */
+			case '<a:accent6>':
+			case '</a:accent6>':
+			/* 20.1.4.1.19 hlink (Hyperlink) */
+			case '<a:hlink>':
+			case '</a:hlink>':
+			/* 20.1.4.1.15 folHlink (Followed Hyperlink) */
+			case '<a:folHlink>':
+			case '</a:folHlink>':
+				if (y[0][1] === '/') {
+					themes.themeElements.clrScheme.push(color);
+					color = {};
+				} else {
+					color.name = y[0].substring(3, y[0].length - 1);
+				}
+				break;
+
+			default: if(opts.WTF) throw 'unrecognized ' + y[0] + ' in clrScheme';
+		}
+	});
+}
+
+/* 14.2.7 Theme Part */
+function parse_theme_xml(data, opts) {
+	themes.themeElements = {};
+
+	var t;
+
+	/* clrScheme */
+	if((t=data.match(/<a:clrScheme([^>]*)>.*<\/a:clrScheme>/))) parse_clrScheme(t, opts);
+
+	return themes;
+}
+
 function write_theme() { return '<?xml version="1.0" encoding="UTF-8" standalone="yes"?>\n<a:theme xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" name="Office Theme"><a:themeElements><a:clrScheme name="Office"><a:dk1><a:sysClr val="windowText" lastClr="000000"/></a:dk1><a:lt1><a:sysClr val="window" lastClr="FFFFFF"/></a:lt1><a:dk2><a:srgbClr val="1F497D"/></a:dk2><a:lt2><a:srgbClr val="EEECE1"/></a:lt2><a:accent1><a:srgbClr val="4F81BD"/></a:accent1><a:accent2><a:srgbClr val="C0504D"/></a:accent2><a:accent3><a:srgbClr val="9BBB59"/></a:accent3><a:accent4><a:srgbClr val="8064A2"/></a:accent4><a:accent5><a:srgbClr val="4BACC6"/></a:accent5><a:accent6><a:srgbClr val="F79646"/></a:accent6><a:hlink><a:srgbClr val="0000FF"/></a:hlink><a:folHlink><a:srgbClr val="800080"/></a:folHlink></a:clrScheme><a:fontScheme name="Office"><a:majorFont><a:latin typeface="Cambria"/><a:ea typeface=""/><a:cs typeface=""/><a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/><a:font script="Hang" typeface="맑은 고딕"/><a:font script="Hans" typeface="宋体"/><a:font script="Hant" typeface="新細明體"/><a:font script="Arab" typeface="Times New Roman"/><a:font script="Hebr" typeface="Times New Roman"/><a:font script="Thai" typeface="Tahoma"/><a:font script="Ethi" typeface="Nyala"/><a:font script="Beng" typeface="Vrinda"/><a:font script="Gujr" typeface="Shruti"/><a:font script="Khmr" typeface="MoolBoran"/><a:font script="Knda" typeface="Tunga"/><a:font script="Guru" typeface="Raavi"/><a:font script="Cans" typeface="Euphemia"/><a:font script="Cher" typeface="Plantagenet Cherokee"/><a:font script="Yiii" typeface="Microsoft Yi Baiti"/><a:font script="Tibt" typeface="Microsoft Himalaya"/><a:font script="Thaa" typeface="MV Boli"/><a:font script="Deva" typeface="Mangal"/><a:font script="Telu" typeface="Gautami"/><a:font script="Taml" typeface="Latha"/><a:font script="Syrc" typeface="Estrangelo Edessa"/><a:font script="Orya" typeface="Kalinga"/><a:font script="Mlym" typeface="Kartika"/><a:font script="Laoo" typeface="DokChampa"/><a:font script="Sinh" typeface="Iskoola Pota"/><a:font script="Mong" typeface="Mongolian Baiti"/><a:font script="Viet" typeface="Times New Roman"/><a:font script="Uigh" typeface="Microsoft Uighur"/><a:font script="Geor" typeface="Sylfaen"/></a:majorFont><a:minorFont><a:latin typeface="Calibri"/><a:ea typeface=""/><a:cs typeface=""/><a:font script="Jpan" typeface="ＭＳ Ｐゴシック"/><a:font script="Hang" typeface="맑은 고딕"/><a:font script="Hans" typeface="宋体"/><a:font script="Hant" typeface="新細明體"/><a:font script="Arab" typeface="Arial"/><a:font script="Hebr" typeface="Arial"/><a:font script="Thai" typeface="Tahoma"/><a:font script="Ethi" typeface="Nyala"/><a:font script="Beng" typeface="Vrinda"/><a:font script="Gujr" typeface="Shruti"/><a:font script="Khmr" typeface="DaunPenh"/><a:font script="Knda" typeface="Tunga"/><a:font script="Guru" typeface="Raavi"/><a:font script="Cans" typeface="Euphemia"/><a:font script="Cher" typeface="Plantagenet Cherokee"/><a:font script="Yiii" typeface="Microsoft Yi Baiti"/><a:font script="Tibt" typeface="Microsoft Himalaya"/><a:font script="Thaa" typeface="MV Boli"/><a:font script="Deva" typeface="Mangal"/><a:font script="Telu" typeface="Gautami"/><a:font script="Taml" typeface="Latha"/><a:font script="Syrc" typeface="Estrangelo Edessa"/><a:font script="Orya" typeface="Kalinga"/><a:font script="Mlym" typeface="Kartika"/><a:font script="Laoo" typeface="DokChampa"/><a:font script="Sinh" typeface="Iskoola Pota"/><a:font script="Mong" typeface="Mongolian Baiti"/><a:font script="Viet" typeface="Arial"/><a:font script="Uigh" typeface="Microsoft Uighur"/><a:font script="Geor" typeface="Sylfaen"/></a:minorFont></a:fontScheme><a:fmtScheme name="Office"><a:fillStyleLst><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:gradFill rotWithShape="1"><a:gsLst><a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="50000"/><a:satMod val="300000"/></a:schemeClr></a:gs><a:gs pos="35000"><a:schemeClr val="phClr"><a:tint val="37000"/><a:satMod val="300000"/></a:schemeClr></a:gs><a:gs pos="100000"><a:schemeClr val="phClr"><a:tint val="15000"/><a:satMod val="350000"/></a:schemeClr></a:gs></a:gsLst><a:lin ang="16200000" scaled="1"/></a:gradFill><a:gradFill rotWithShape="1"><a:gsLst><a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="100000"/><a:shade val="100000"/><a:satMod val="130000"/></a:schemeClr></a:gs><a:gs pos="100000"><a:schemeClr val="phClr"><a:tint val="50000"/><a:shade val="100000"/><a:satMod val="350000"/></a:schemeClr></a:gs></a:gsLst><a:lin ang="16200000" scaled="0"/></a:gradFill></a:fillStyleLst><a:lnStyleLst><a:ln w="9525" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"><a:shade val="95000"/><a:satMod val="105000"/></a:schemeClr></a:solidFill><a:prstDash val="solid"/></a:ln><a:ln w="25400" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:prstDash val="solid"/></a:ln><a:ln w="38100" cap="flat" cmpd="sng" algn="ctr"><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:prstDash val="solid"/></a:ln></a:lnStyleLst><a:effectStyleLst><a:effectStyle><a:effectLst><a:outerShdw blurRad="40000" dist="20000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="38000"/></a:srgbClr></a:outerShdw></a:effectLst></a:effectStyle><a:effectStyle><a:effectLst><a:outerShdw blurRad="40000" dist="23000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="35000"/></a:srgbClr></a:outerShdw></a:effectLst></a:effectStyle><a:effectStyle><a:effectLst><a:outerShdw blurRad="40000" dist="23000" dir="5400000" rotWithShape="0"><a:srgbClr val="000000"><a:alpha val="35000"/></a:srgbClr></a:outerShdw></a:effectLst><a:scene3d><a:camera prst="orthographicFront"><a:rot lat="0" lon="0" rev="0"/></a:camera><a:lightRig rig="threePt" dir="t"><a:rot lat="0" lon="0" rev="1200000"/></a:lightRig></a:scene3d><a:sp3d><a:bevelT w="63500" h="25400"/></a:sp3d></a:effectStyle></a:effectStyleLst><a:bgFillStyleLst><a:solidFill><a:schemeClr val="phClr"/></a:solidFill><a:gradFill rotWithShape="1"><a:gsLst><a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="40000"/><a:satMod val="350000"/></a:schemeClr></a:gs><a:gs pos="40000"><a:schemeClr val="phClr"><a:tint val="45000"/><a:shade val="99000"/><a:satMod val="350000"/></a:schemeClr></a:gs><a:gs pos="100000"><a:schemeClr val="phClr"><a:shade val="20000"/><a:satMod val="255000"/></a:schemeClr></a:gs></a:gsLst><a:path path="circle"><a:fillToRect l="50000" t="-80000" r="50000" b="180000"/></a:path></a:gradFill><a:gradFill rotWithShape="1"><a:gsLst><a:gs pos="0"><a:schemeClr val="phClr"><a:tint val="80000"/><a:satMod val="300000"/></a:schemeClr></a:gs><a:gs pos="100000"><a:schemeClr val="phClr"><a:shade val="30000"/><a:satMod val="200000"/></a:schemeClr></a:gs></a:gsLst><a:path path="circle"><a:fillToRect l="50000" t="50000" r="50000" b="50000"/></a:path></a:gradFill></a:bgFillStyleLst></a:fmtScheme></a:themeElements><a:objectDefaults><a:spDef><a:spPr/><a:bodyPr/><a:lstStyle/><a:style><a:lnRef idx="1"><a:schemeClr val="accent1"/></a:lnRef><a:fillRef idx="3"><a:schemeClr val="accent1"/></a:fillRef><a:effectRef idx="2"><a:schemeClr val="accent1"/></a:effectRef><a:fontRef idx="minor"><a:schemeClr val="lt1"/></a:fontRef></a:style></a:spDef><a:lnDef><a:spPr/><a:bodyPr/><a:lstStyle/><a:style><a:lnRef idx="2"><a:schemeClr val="accent1"/></a:lnRef><a:fillRef idx="0"><a:schemeClr val="accent1"/></a:fillRef><a:effectRef idx="1"><a:schemeClr val="accent1"/></a:effectRef><a:fontRef idx="minor"><a:schemeClr val="tx1"/></a:fontRef></a:style></a:lnDef></a:objectDefaults><a:extraClrSchemeLst/></a:theme>'; }

bits/72_wsxml.js

@@ -73,14 +73,24 @@ function parse_ws_xml(data, opts, rels) {
 			}
 
 			/* formatting */
-			var fmtid = 0;
+			var fmtid = 0, fillid = 0;
 			if(cell.s && styles.CellXf) {
 				var cf = styles.CellXf[cell.s];
 				if(cf && cf.numFmtId) fmtid = cf.numFmtId;
+				if(opts.cellStyles && cf && cf.fillId) fillid = cf.fillId;
 			}
 			try {
 				p.w = SSF.format(fmtid,p.v,_ssfopts);
 				if(opts.cellNF) p.z = SSF._table[fmtid];
+				if(fillid) {
+					p.s = styles.Fills[fillid];
+					if (p.s.fgColor && p.s.fgColor.theme) {
+						p.s.fgColor.rgb = rgb_tint(themes.themeElements.clrScheme[p.s.fgColor.theme].rgb, p.s.fgColor.tint || 0);
+					}
+					if (p.s.bgColor && p.s.bgColor.theme) {
+						p.s.bgColor.rgb = rgb_tint(themes.themeElements.clrScheme[p.s.bgColor.theme].rgb, p.s.bgColor.tint || 0);
+					}
+				}
 			} catch(e) { if(opts.WTF) throw e; }
 			s[cell.r] = p;
 		});

bits/79_xmlbin.js

@@ -10,6 +10,10 @@ function parse_sty(data, name, opts) {
 	return (name.substr(-4)===".bin" ? parse_sty_bin : parse_sty_xml)(data, opts);
 }
 
+function parse_theme(data, name, opts) {
+	return parse_theme_xml(data, opts);
+}
+
 function parse_sst(data, name, opts) {
 	return (name.substr(-4)===".bin" ? parse_sst_bin : parse_sst_xml)(data, opts);
 }

bits/84_defaults.js

@@ -11,6 +11,7 @@ var fix_read_opts = fix_opts([
 	['cellNF', false], /* emit cell number format string as .z */
 	['cellHTML', true], /* emit html string as .h */
 	['cellFormula', true], /* emit formulae as .f */
+	['cellStyles', false], /* emits style/theme as .s */
 
 	['sheetStubs', false], /* emit empty cells */
 	['sheetRows', 0, 'n'], /* read n rows (0 = read all rows) */

bits/85_parsezip.js

@@ -25,6 +25,9 @@ function parse_zip(zip, opts) {
 
 		styles = {};
 		if(dir.style) styles = parse_sty(getzipdata(zip, dir.style.replace(/^\//,'')),dir.style, opts);
+
+		themes = {};
+		if(opts.cellStyles && dir.themes) themes = parse_theme(getzipdata(zip, dir.themes[0].replace(/^\//,'')),dir.themes[0], opts);
 	}
 
 	var wb = parse_wb(getzipdata(zip, dir.workbooks[0].replace(/^\//,'')), dir.workbooks[0], opts);
@@ -105,6 +108,7 @@ function parse_zip(zip, opts) {
 		SheetNames: props.SheetNames,
 		Strings: strs,
 		Styles: styles,
+		Themes: themes,
 		SSF: SSF.get_table()
 	};
 	if(opts.bookFiles) {