inicial

4 files changed, 280 insertions, 0 deletions

diff --git a/backend/pixbuf/Makefile.am b/backend/pixbuf/Makefile.am
new file mode 100644
index 00000000..7a28e05b
--- /dev/null
+++ b/backend/pixbuf/Makefile.am
@@ -0,0 +1,30 @@
+INCLUDES =					\
+	-I$(top_srcdir)				\
+	-I$(top_srcdir)/libdocument		\
+	-DMATELOCALEDIR=\"$(datadir)/locale\"	\
+	-DEVINCE_COMPILATION			\
+	$(BACKEND_CFLAGS)			\
+	$(WARN_CFLAGS)				\
+	$(DISABLE_DEPRECATED)
+
+backend_LTLIBRARIES = libpixbufdocument.la
+
+libpixbufdocument_la_SOURCES =		\
+	pixbuf-document.c		\
+	pixbuf-document.h
+
+libpixbufdocument_la_LDFLAGS = $(BACKEND_LIBTOOL_FLAGS)
+libpixbufdocument_la_LIBADD =				\
+	$(top_builddir)/libdocument/libevdocument.la	\
+	$(BACKEND_LIBS)
+
+backend_in_files = pixbufdocument.evince-backend.in
+backend_DATA = $(backend_in_files:.evince-backend.in=.evince-backend)
+
+EXTRA_DIST = $(backend_in_files)
+
+CLEANFILES = $(backend_DATA)
+
+@EV_INTLTOOL_EVINCE_BACKEND_RULE@
+
+-include $(top_srcdir)/git.mk
diff --git a/backend/pixbuf/pixbuf-document.c b/backend/pixbuf/pixbuf-document.c
new file mode 100644
index 00000000..065fe498
--- /dev/null
+++ b/backend/pixbuf/pixbuf-document.c
@@ -0,0 +1,208 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/*
+ * Copyright (C) 2004, Anders Carlsson <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#include <config.h>
+#include <glib/gi18n-lib.h>
+
+#include "pixbuf-document.h"
+#include "ev-document-thumbnails.h"
+#include "ev-document-misc.h"
+#include "ev-file-helpers.h"
+
+struct _PixbufDocumentClass
+{
+	EvDocumentClass parent_class;
+};
+
+struct _PixbufDocument
+{
+	EvDocument parent_instance;
+
+	GdkPixbuf *pixbuf;
+	
+	gchar *uri;
+};
+
+typedef struct _PixbufDocumentClass PixbufDocumentClass;
+
+static void pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface);
+
+EV_BACKEND_REGISTER_WITH_CODE (PixbufDocument, pixbuf_document,
+                   {
+			 EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
+							 pixbuf_document_document_thumbnails_iface_init)				   
+		   });
+
+static gboolean
+pixbuf_document_load (EvDocument  *document,
+		      const char  *uri,
+		      GError     **error)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+	
+	gchar *filename;
+	GdkPixbuf *pixbuf;
+
+	/* FIXME: We could actually load uris  */
+	filename = g_filename_from_uri (uri, NULL, error);
+	if (!filename)
+		return FALSE;
+	
+	pixbuf = gdk_pixbuf_new_from_file (filename, error);
+
+	if (!pixbuf)
+		return FALSE;
+
+	pixbuf_document->pixbuf = pixbuf;
+	g_free (pixbuf_document->uri);
+	pixbuf_document->uri = g_strdup (uri);
+	
+	return TRUE;
+}
+
+static gboolean
+pixbuf_document_save (EvDocument  *document,
+		      const char  *uri,
+		      GError     **error)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+
+	return ev_xfer_uri_simple (pixbuf_document->uri, uri, error); 
+}
+
+static int
+pixbuf_document_get_n_pages (EvDocument  *document)
+{
+	return 1;
+}
+
+static void
+pixbuf_document_get_page_size (EvDocument   *document,
+			       EvPage       *page,
+			       double       *width,
+			       double       *height)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+
+	*width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
+	*height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
+}
+
+static cairo_surface_t *
+pixbuf_document_render (EvDocument      *document,
+			EvRenderContext *rc)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+	GdkPixbuf *scaled_pixbuf, *rotated_pixbuf;
+	cairo_surface_t *surface;
+
+	scaled_pixbuf = gdk_pixbuf_scale_simple (
+		pixbuf_document->pixbuf,
+		(gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale) + 0.5,
+		(gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale) + 0.5,
+		GDK_INTERP_BILINEAR);
+	
+        rotated_pixbuf = gdk_pixbuf_rotate_simple (scaled_pixbuf, 360 - rc->rotation);
+        g_object_unref (scaled_pixbuf);
+
+	surface = ev_document_misc_surface_from_pixbuf (rotated_pixbuf);
+	g_object_unref (rotated_pixbuf);
+
+	return surface;
+}
+
+static void
+pixbuf_document_finalize (GObject *object)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (object);
+
+	g_object_unref (pixbuf_document->pixbuf);
+	g_free (pixbuf_document->uri);
+	
+	G_OBJECT_CLASS (pixbuf_document_parent_class)->finalize (object);
+}
+
+static void
+pixbuf_document_class_init (PixbufDocumentClass *klass)
+{
+	GObjectClass    *gobject_class = G_OBJECT_CLASS (klass);
+	EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass);
+
+	gobject_class->finalize = pixbuf_document_finalize;
+
+	ev_document_class->load = pixbuf_document_load;
+	ev_document_class->save = pixbuf_document_save;
+	ev_document_class->get_n_pages = pixbuf_document_get_n_pages;
+	ev_document_class->get_page_size = pixbuf_document_get_page_size;
+	ev_document_class->render = pixbuf_document_render;
+}
+
+static GdkPixbuf *
+pixbuf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
+					  EvRenderContext      *rc,
+					  gboolean              border)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+	GdkPixbuf *pixbuf, *rotated_pixbuf;
+	gint width, height;
+	
+	width = (gint) (gdk_pixbuf_get_width (pixbuf_document->pixbuf) * rc->scale);
+	height = (gint) (gdk_pixbuf_get_height (pixbuf_document->pixbuf) * rc->scale);
+	
+	pixbuf = gdk_pixbuf_scale_simple (pixbuf_document->pixbuf,
+					  width, height,
+					  GDK_INTERP_BILINEAR);
+
+	rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
+        g_object_unref (pixbuf);
+
+        return rotated_pixbuf;
+}
+
+static void
+pixbuf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
+					   EvRenderContext      *rc, 
+					   gint                 *width,
+					   gint                 *height)
+{
+	PixbufDocument *pixbuf_document = PIXBUF_DOCUMENT (document);
+	gint p_width = gdk_pixbuf_get_width (pixbuf_document->pixbuf);
+	gint p_height = gdk_pixbuf_get_height (pixbuf_document->pixbuf);
+
+	if (rc->rotation == 90 || rc->rotation == 270) {
+		*width = (gint) (p_height * rc->scale);
+		*height = (gint) (p_width * rc->scale);
+	} else {
+		*width = (gint) (p_width * rc->scale);
+		*height = (gint) (p_height * rc->scale);
+	}
+}
+
+static void
+pixbuf_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface)
+{
+	iface->get_thumbnail = pixbuf_document_thumbnails_get_thumbnail;
+	iface->get_dimensions = pixbuf_document_thumbnails_get_dimensions;
+}
+
+
+static void
+pixbuf_document_init (PixbufDocument *pixbuf_document)
+{
+}
diff --git a/backend/pixbuf/pixbuf-document.h b/backend/pixbuf/pixbuf-document.h
new file mode 100644
index 00000000..6f34372d
--- /dev/null
+++ b/backend/pixbuf/pixbuf-document.h
@@ -0,0 +1,38 @@
+/* pdfdocument.h: Implementation of EvDocument for pixbufs
+ * Copyright (C) 2004, Anders Carlsson <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __PIXBUF_DOCUMENT_H__
+#define __PIXBUF_DOCUMENT_H__
+
+#include "ev-document.h"
+
+G_BEGIN_DECLS
+
+#define PIXBUF_TYPE_DOCUMENT             (pixbuf_document_get_type ())
+#define PIXBUF_DOCUMENT(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIXBUF_TYPE_DOCUMENT, PixbufDocument))
+#define PIXBUF_IS_DOCUMENT(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIXBUF_TYPE_DOCUMENT))
+
+typedef struct _PixbufDocument PixbufDocument;
+
+GType                 pixbuf_document_get_type (void) G_GNUC_CONST;
+
+G_MODULE_EXPORT GType register_evince_backend  (GTypeModule *module); 
+     
+G_END_DECLS
+
+#endif /* __PIXBUF_DOCUMENT_H__ */
diff --git a/backend/pixbuf/pixbufdocument.evince-backend.in b/backend/pixbuf/pixbufdocument.evince-backend.in
new file mode 100644
index 00000000..9beb526b
--- /dev/null
+++ b/backend/pixbuf/pixbufdocument.evince-backend.in
@@ -0,0 +1,4 @@
+[Evince Backend]
+Module=pixbufdocument
+_TypeDescription=Images
+MimeType=image/*;