X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Ftiff%2Ftiff-document.c;h=86170e270b7f290d728cf9ba237086d52977ca8f;hb=b830be70dc7c81f93a5ebd76abcc0a55b65846b4;hp=34275c13d3886ba92b0000f27a360734362fa243;hpb=8954a5e9ac17c50cb01c3fcf2787daf40feb7a04;p=evince.git

diff --git a/backend/tiff/tiff-document.c b/backend/tiff/tiff-document.c
index 34275c13..86170e27 100644
--- a/backend/tiff/tiff-document.c
+++ b/backend/tiff/tiff-document.c
@@ -20,8 +20,12 @@
 /* FIXME: Should probably buffer calls to libtiff with TIFFSetWarningHandler
  */
 
+#include "config.h"
+
+#include <config.h>
 #include <stdio.h>
 #include <glib.h>
+#include <glib/gi18n.h>
 
 #include "tiffio.h"
 #include "tiff2ps.h"
@@ -29,6 +33,7 @@
 #include "ev-document-misc.h"
 #include "ev-document-thumbnails.h"
 #include "ev-file-exporter.h"
+#include "ev-file-helpers.h"
 
 struct _TiffDocumentClass
 {
@@ -52,9 +57,8 @@ static void tiff_document_document_iface_init (EvDocumentIface *iface);
 static void tiff_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
 static void tiff_document_document_file_exporter_iface_init (EvFileExporterIface *iface);
 
-G_DEFINE_TYPE_WITH_CODE (TiffDocument, tiff_document, G_TYPE_OBJECT,
-                         { G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
-						  tiff_document_document_iface_init);
+EV_BACKEND_REGISTER_WITH_CODE (TiffDocument, tiff_document,
+			 {
 			   G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
 						  tiff_document_document_thumbnails_iface_init);
 			   G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
@@ -211,9 +215,6 @@ tiff_document_render (EvDocument      *document,
 	gint rowstride, bytes;
 	guchar *pixels = NULL;
 	guchar *p;
-	GdkPixbuf *pixbuf;
-	GdkPixbuf *scaled_pixbuf;
-	GdkPixbuf *rotated_pixbuf;
 	cairo_surface_t *surface;
 	cairo_surface_t *rotated_surface;
 	static const cairo_user_data_key_t key;
@@ -245,11 +246,15 @@ tiff_document_render (EvDocument      *document,
 	if (width <= 0 || height <= 0)
 		return NULL;                
 
+#ifdef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
+	rowstride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, width);
+#else
 	rowstride = width * 4;
 	if (rowstride / 4 != width)
 		/* overflow */
 		return NULL;                
-        
+#endif
+	
 	bytes = height * rowstride;
 	if (bytes / rowstride != height)
 		/* overflow */