$OpenBSD: patch-src_PDFDocument_cxx,v 1.4 2012/01/13 19:07:25 landry Exp $

Fixes a bug with poppler swapping the blue and red channels.
http://trac.emma-soft.com/epdfview/changeset/367 

--- src/PDFDocument.cxx.orig	Sat May 28 06:25:01 2011
+++ src/PDFDocument.cxx	Thu Jan 12 22:08:15 2012
@@ -20,6 +20,7 @@
 #include <time.h>
 #include <poppler.h>
 #include <unistd.h>
+#include <algorithm>
 #include "epdfview.h"
 
 using namespace ePDFView;
@@ -33,6 +34,24 @@ static PageLayout convertPageLayout (gint pageLayout);
 static PageMode convertPageMode (gint pageMode);
 static gchar *getAbsoluteFileName (const gchar *fileName);
 
+namespace
+{
+	void
+	convert_bgra_to_rgba (guint8 *data, int width, int height)
+	{
+		using std::swap;
+
+		for (int y = 0; y < height; y++)
+		{
+			for (int x = 0; x < width; x++)
+			{
+				swap(data[0], data[2]);
+				data += 4;
+			}
+		}
+	}
+}
+
 ///
 /// @brief Constructs a new PDFDocument object.
 ///
@@ -650,6 +669,7 @@ PDFDocument::renderPage (gint pageNum)
         poppler_page_render (page, context);
         cairo_destroy(context);
         cairo_surface_destroy (surface);
+	convert_bgra_to_rgba(renderedPage->getData (), width, height);
 #else // !HAVE_POPPLER_0_17_0
         // Create the pixbuf from the data and render to it.
         GdkPixbuf *pixbuf = gdk_pixbuf_new_from_data (renderedPage->getData (),
