From 18512661b5fbca4abd7f79df8d8cec930a5e333d Mon Sep 17 00:00:00 2001
From: Devon Govett <devongovett@gmail.com>
Date: Mon, 17 Feb 2014 22:01:49 -0800
Subject: [PATCH] Apply current transformation to annotations

---
 lib/mixins/annotations.coffee | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/lib/mixins/annotations.coffee b/lib/mixins/annotations.coffee
index 26884c6..2e6581b 100644
--- a/lib/mixins/annotations.coffee
+++ b/lib/mixins/annotations.coffee
@@ -74,8 +74,19 @@ module.exports =
         options.DA = PDFObject.s ''
         @annotate x, y, w, h, options
         
-    _convertRect: (rect...) ->
-        rect[1] = @page.height - rect[1] - rect[3]
-        rect[2] += rect[0]
-        rect[3] += rect[1]
-        return rect
\ No newline at end of file
+    _convertRect: (x1, y1, w, h) ->
+        # flip y1 and y2
+        y2 = y1
+        y1 += h
+        
+        # make x2
+        x2 = x1 + w
+        
+        # apply current transformation matrix to points
+        [m0, m1, m2, m3, m4, m5] = @_ctm
+        x1 = m0 * x1 + m2 * y1 + m4
+        y1 = m1 * x1 + m3 * y1 + m5
+        x2 = m0 * x2 + m2 * y2 + m4
+        y2 = m1 * x2 + m3 * y2 + m5
+        
+        return [x1, y1, x2, y2]
\ No newline at end of file