From 12b799cd024f62861235d3b11a68ebf4020c0a52 Mon Sep 17 00:00:00 2001
From: Julian Viereck <julian.viereck@gmail.com>
Date: Sat, 23 Jun 2012 15:52:30 +0200
Subject: [PATCH 1/3] Use a canvas to measure the width of the text layer div
 instead of using the slow offsetWidth property

---
 web/viewer.js | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/web/viewer.js b/web/viewer.js
index d371c3242..05aec6075 100644
--- a/web/viewer.js
+++ b/web/viewer.js
@@ -1498,6 +1498,9 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv) {
     var renderInterval = 0;
     var resumeInterval = 500; // in ms
 
+    var canvas = document.createElement('canvas');
+    var ctx = canvas.getContext('2d');
+
     // Render the text layer, one div at a time
     function renderTextLayer() {
       if (textDivs.length === 0) {
@@ -1511,9 +1514,12 @@ var TextLayerBuilder = function textLayerBuilder(textLayerDiv) {
 
         if (textDiv.dataset.textLength > 1) { // avoid div by zero
           // Adjust div width to match canvas text
-          // Due to the .offsetWidth calls, this is slow
-          // This needs to come after appending to the DOM
-          var textScale = textDiv.dataset.canvasWidth / textDiv.offsetWidth;
+
+          ctx.font = textDiv.style.fontSize + ' sans-serif';
+          var width = ctx.measureText(textDiv.textContent).width;
+
+          var textScale = textDiv.dataset.canvasWidth / width;
+
           CustomStyle.setProp('transform' , textDiv,
             'scale(' + textScale + ', 1)');
           CustomStyle.setProp('transformOrigin' , textDiv, '0% 0%');

From e6b75f4a569de815074a45add212b4b23322c47a Mon Sep 17 00:00:00 2001
From: Brendan Dahl <brendan.dahl@gmail.com>
Date: Tue, 17 Jul 2012 13:42:49 -0700
Subject: [PATCH 2/3] Also check abbreviation for colorspace in jpegs.

---
 src/stream.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/stream.js b/src/stream.js
index 5e4b3a47e..bd239dacc 100644
--- a/src/stream.js
+++ b/src/stream.js
@@ -852,7 +852,7 @@ var JpegStream = (function JpegStreamClosure() {
    */
   JpegStream.prototype.isNativelySupported =
     function JpegStream_isNativelySupported(xref, res) {
-    var cs = ColorSpace.parse(this.dict.get('ColorSpace'), xref, res);
+    var cs = ColorSpace.parse(this.dict.get('ColorSpace', 'CS'), xref, res);
     // when bug 674619 lands, let's check if browser can do
     // normal cmyk and then we won't need to decode in JS
     if (cs.name === 'DeviceGray' || cs.name === 'DeviceRGB')
@@ -867,7 +867,7 @@ var JpegStream = (function JpegStreamClosure() {
    */
   JpegStream.prototype.isNativelyDecodable =
     function JpegStream_isNativelyDecodable(xref, res) {
-    var cs = ColorSpace.parse(this.dict.get('ColorSpace'), xref, res);
+    var cs = ColorSpace.parse(this.dict.get('ColorSpace', 'CS'), xref, res);
     var numComps = cs.numComps;
     if (numComps == 1 || numComps == 3)
       return true;

From 8705d8851fe44551160d6cda4ed830b38c436b61 Mon Sep 17 00:00:00 2001
From: Brendan Dahl <brendan.dahl@gmail.com>
Date: Thu, 19 Jul 2012 10:58:07 -0700
Subject: [PATCH 3/3] Add reftest for undefined colorspace.

---
 test/pdfs/issue1419.pdf.link | 1 +
 test/test_manifest.json      | 9 +++++++++
 2 files changed, 10 insertions(+)
 create mode 100644 test/pdfs/issue1419.pdf.link

diff --git a/test/pdfs/issue1419.pdf.link b/test/pdfs/issue1419.pdf.link
new file mode 100644
index 000000000..7fe9f28bc
--- /dev/null
+++ b/test/pdfs/issue1419.pdf.link
@@ -0,0 +1 @@
+http://www.meal-a-day.asia/sites/default/files/Meal-a-Day%20Asia-Pacific%20Biennial%20Report%202012%20v1.01.pdf
diff --git a/test/test_manifest.json b/test/test_manifest.json
index 4a0595348..ffcf10bed 100644
--- a/test/test_manifest.json
+++ b/test/test_manifest.json
@@ -604,6 +604,15 @@
       "link": true,
       "type": "eq"
     },
+    {  "id": "issue1419.pdf",
+       "file": "pdfs/issue1419.pdf",
+       "md5": "b5b6c6405d7b48418bccf97277957664",
+       "rounds": 1,
+       "link": true,
+       "pageLimit": 1,
+       "skipPages": [1],
+       "type": "eq"
+    },
     {  "id": "issue1317",
       "file": "pdfs/issue1317.pdf",
       "md5": "6fb46275b30c48c8985617d4f86199e3",