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=d8bee9e529c0654d105011669dee450f59cf64c9;hb=3e9c324a5f8be62b6e360cfc358bbd3d24986e22;hp=8247c2a269b9751bc222f07c7447f4d7ab4d05e8;hpb=217797d63b2d3b1c9a7a0511af1bbf3d99f0d482;p=evince.git

diff --git a/backend/tiff/tiff-document.c b/backend/tiff/tiff-document.c
index 8247c2a2..d8bee9e5 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,
@@ -210,9 +214,7 @@ tiff_document_render (EvDocument      *document,
 	float x_res, y_res;
 	gint rowstride, bytes;
 	guchar *pixels = NULL;
-	GdkPixbuf *pixbuf;
-	GdkPixbuf *scaled_pixbuf;
-	GdkPixbuf *rotated_pixbuf;
+	guchar *p;
 	cairo_surface_t *surface;
 	cairo_surface_t *rotated_surface;
 	static const cairo_user_data_key_t key;
@@ -259,7 +261,7 @@ tiff_document_render (EvDocument      *document,
 		return NULL;
 	
 	surface = cairo_image_surface_create_for_data (pixels,
-						       CAIRO_FORMAT_ARGB32,
+						       CAIRO_FORMAT_RGB24,
 						       width, height,
 						       rowstride);
 	cairo_surface_set_user_data (surface, &key,
@@ -271,6 +273,23 @@ tiff_document_render (EvDocument      *document,
 				   ORIENTATION_TOPLEFT, 1);
 	pop_handlers ();
 
+	/* Convert the format returned by libtiff to
+	* what cairo expects
+	*/
+	p = pixels;
+	while (p < pixels + bytes) {
+		uint32 pixel = *(uint32 *)p;
+		int r = TIFFGetR(pixel);
+		int g = TIFFGetG(pixel);
+		int b = TIFFGetB(pixel);
+		int a = TIFFGetA(pixel);
+		
+		*p++ = b;
+		*p++ = g;
+		*p++ = r;
+		*p++ = a;
+	}
+
 	rotated_surface = ev_document_misc_surface_rotate_and_scale (surface,
 								     (width * rc->scale) + 0.5,
 								     (height * rc->scale * (x_res / y_res)) + 0.5,
@@ -373,12 +392,6 @@ tiff_document_class_init (TiffDocumentClass *klass)
 	gobject_class->finalize = tiff_document_finalize;
 }
 
-static gboolean
-tiff_document_can_get_text (EvDocument *document)
-{
-	return FALSE;
-}
-
 static EvDocumentInfo *
 tiff_document_get_info (EvDocument *document)
 {
@@ -395,7 +408,6 @@ tiff_document_document_iface_init (EvDocumentIface *iface)
 {
 	iface->load = tiff_document_load;
 	iface->save = tiff_document_save;
-	iface->can_get_text = tiff_document_can_get_text;
 	iface->get_n_pages = tiff_document_get_n_pages;
 	iface->get_page_size = tiff_document_get_page_size;
 	iface->render = tiff_document_render;
@@ -450,27 +462,13 @@ tiff_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
 }
 
 /* postscript exporter implementation */
-
-static gboolean
-tiff_document_file_exporter_format_supported (EvFileExporter      *exporter,
-					      EvFileExporterFormat format)
-{
-	return (format == EV_FILE_FORMAT_PS);
-}
-
 static void
-tiff_document_file_exporter_begin (EvFileExporter      *exporter,
-				   EvFileExporterFormat format,
-				   const char          *filename,
-				   int                  first_page,
-				   int                  last_page,
-				   double               width,
-				   double               height,
-				   gboolean             duplex)
+tiff_document_file_exporter_begin (EvFileExporter        *exporter,
+				   EvFileExporterContext *fc)
 {
 	TiffDocument *document = TIFF_DOCUMENT (exporter);
 
-	document->ps_export_ctx = tiff2ps_context_new(filename);
+	document->ps_export_ctx = tiff2ps_context_new(fc->filename);
 }
 
 static void
@@ -496,13 +494,23 @@ tiff_document_file_exporter_end (EvFileExporter *exporter)
 	tiff2ps_context_finalize(document->ps_export_ctx);
 }
 
+static EvFileExporterCapabilities
+tiff_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+	return  EV_FILE_EXPORTER_CAN_PAGE_SET |
+		EV_FILE_EXPORTER_CAN_COPIES |
+		EV_FILE_EXPORTER_CAN_COLLATE |
+		EV_FILE_EXPORTER_CAN_REVERSE |
+		EV_FILE_EXPORTER_CAN_GENERATE_PS;
+}
+
 static void
 tiff_document_document_file_exporter_iface_init (EvFileExporterIface *iface)
 {
-	iface->format_supported = tiff_document_file_exporter_format_supported;
 	iface->begin = tiff_document_file_exporter_begin;
 	iface->do_page = tiff_document_file_exporter_do_page;
 	iface->end = tiff_document_file_exporter_end;
+	iface->get_capabilities = tiff_document_file_exporter_get_capabilities;
 }
 
 static void