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From d30496f52b85f82947bd07b9bd60f8482843ece8 Mon Sep 17 00:00:00 2001
From: jordi <jordi@cb4bfb15-1111-0410-82e2-95233c8f1c7e>
Date: Tue, 5 Jul 2011 09:23:38 +0000
Subject: [PATCH 1/2] When using Poppler 0.17.0, I needed to swap the blue and
red channels, otherwise the colors (other than black
and white) looked wierd.
git-svn-id: svn://svn.emma-soft.com/epdfview/trunk@367 cb4bfb15-1111-0410-82e2-95233c8f1c7e
---
src/PDFDocument.cxx | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/src/PDFDocument.cxx b/src/PDFDocument.cxx
index df5d75f..63b3513 100644
--- a/src/PDFDocument.cxx
+++ b/src/PDFDocument.cxx
@@ -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 (),
--
1.7.7
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