From d30496f52b85f82947bd07b9bd60f8482843ece8 Mon Sep 17 00:00:00 2001 From: jordi 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 --- src/PDFDocument.cxx +++ src/PDFDocument.cxx @@ -20,6 +20,7 @@ #include #include #include +#include #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