Add a nautilus thumbnailer. Based on patch by Fernando Herrera

2005-03-03  Marco Pesenti Gritti  <marco@gnome.org>

        * Makefile.am:
        * configure.ac:
        * pdf/.cvsignore:
        * pdf/pdf-document.cc:
        * thumbnailer/Makefile.am:
        * thumbnailer/evince-thumbnailer.c: (evince_thumbnail_pngenc_get),
        (main):
        * thumbnailer/evince-thumbnailer.schemas:
        * thumbnailer/pdf-icon.png:

        Add a nautilus thumbnailer.
        Based on patch by Fernando Herrera <fherrera@onirica.com>.

9 files changed, 196 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index 97e27c0..61e8cc2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+2005-03-03  Marco Pesenti Gritti  <marco@gnome.org>
+
+	* Makefile.am:
+	* configure.ac:
+	* pdf/.cvsignore:
+	* pdf/pdf-document.cc:
+	* thumbnailer/Makefile.am:
+	* thumbnailer/evince-thumbnailer.c: (evince_thumbnail_pngenc_get),
+	(main):
+	* thumbnailer/evince-thumbnailer.schemas:
+	* thumbnailer/pdf-icon.png:
+
+	Add a nautilus thumbnailer.
+	Based on patch by Fernando Herrera <fherrera@onirica.com>.
+
 2005-03-02  Marco Pesenti Gritti  <marco@gnome.org>
 
 	* NEWS:
diff --git a/Makefile.am b/Makefile.am
index 5abdb3d..41d8abd 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = lib cut-n-paste data backend po pdf ps pixbuf shell
+SUBDIRS = lib cut-n-paste data backend po pdf ps pixbuf shell thumbnailer
 
 intltool_extra = intltool-extract.in intltool-merge.in intltool-update.in
 
diff --git a/configure.ac b/configure.ac
index f0d330a..27e757e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -34,6 +34,7 @@ AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE,"$GETTEXT_PACKAGE", [Gettext package.])
 PKG_CHECK_MODULES(LIBEVPRIVATE, gtk+-2.0 >= 2.4.0)
 PKG_CHECK_MODULES(RECENT_FILES, gtk+-2.0 >= 2.4.0 libgnomeui-2.0 >= 2.4.0)
 PKG_CHECK_MODULES(SHELL, gtk+-2.0 >= 2.6.0 libgnomeui-2.0 gnome-vfs-2.0 libgnomeprint-2.2 libgnomeprintui-2.2 libglade-2.0 gconf-2.0 poppler >= 0.1.1)
+PKG_CHECK_MODULES(THUMBNAILER, gtk+-2.0 >= 2.6.0 gnome-vfs-2.0 poppler >= 0.1.1)
 PKG_CHECK_MODULES(DVI, gtk+-2.0 >= 2.6.0)
 PKG_CHECK_MODULES(GTK, gtk+-2.0 >= 2.6.0)
 PKG_CHECK_MODULES(PS, gtk+-2.0 >= 2.6.0 gnome-vfs-2.0 libgnomeui-2.0)
@@ -166,4 +167,5 @@ ps/Makefile
 po/Makefile.in
 backend/Makefile
 shell/Makefile
+thumbnailer/Makefile
 ])
diff --git a/pdf/.cvsignore b/pdf/.cvsignore
index 282522d..96ef165 100644
--- a/pdf/.cvsignore
+++ b/pdf/.cvsignore
@@ -1,2 +1,3 @@
+test-gdk-output-dev
 Makefile
 Makefile.in
diff --git a/pdf/pdf-document.cc b/pdf/pdf-document.cc
index a749d36..57eafd1 100644
--- a/pdf/pdf-document.cc
+++ b/pdf/pdf-document.cc
@@ -140,7 +140,7 @@ document_display_page (PdfDocument *pdf_document)
 		pdf_document->doc->displayPage (pdf_document->out, pdf_document->page,
 						72 * pdf_document->scale,
 						72 * pdf_document->scale,
-						0, gTrue, gTrue);
+						90, gTrue, gTrue);
 
 		document_init_links (pdf_document);
 
diff --git a/thumbnailer/Makefile.am b/thumbnailer/Makefile.am
new file mode 100644
index 0000000..5013867
--- /dev/null
+++ b/thumbnailer/Makefile.am
@@ -0,0 +1,47 @@
+@INTLTOOL_SCHEMAS_RULE@
+
+NULL=
+
+INCLUDES=					\
+	-DDATADIR=\"$(pkgdatadir)\"		\
+	-I$(top_srcdir)/lib			\
+	-I$(top_srcdir)/pdf			\
+	-I$(top_srcdir)/backend			\
+	-DGNOMELOCALEDIR=\"$(datadir)/locale\"	\
+	-DGNOMEICONDIR=\""$(datadir)/pixmaps"\" \
+	$(THUMBNAILER_CFLAGS)			\
+	$(EVINCE_DISABLE_DEPRECATED)		\
+	$(NULL)
+
+bin_PROGRAMS=evince-thumbnailer
+
+evince_thumbnailer_SOURCES=	\
+	evince-thumbnailer.c
+	$(NULL)
+
+evince_thumbnailer_LDADD=						\
+	$(THUMBNAILER_LIBS)					\
+	$(top_builddir)/lib/libev.la			\
+	$(top_builddir)/pdf/libpdfdocument.la	 	\
+	$(top_builddir)/backend/libevbackend.la		\
+	$(NULL)
+
+pixmapdir = $(pkgdatadir)
+pixmap_DATA = pdf-icon.png
+
+schema_DATA = evince-thumbnailer.schemas
+schemadir = $(GCONF_SCHEMA_FILE_DIR)
+
+install-data-local:
+if GCONF_SCHEMAS_INSTALL
+	if test -z "$(DESTDIR)" ; then \
+	for p in $(schema_DATA) ; do \
+	GCONF_CONFIG_SOURCE=$(GCONF_SCHEMA_CONFIG_SOURCE) $(GCONFTOOL) --makefile-install-rule $(top_builddir)/thumbnailer/$$p >&1 > /dev/null; \
+	done \
+	fi
+endif
+
+EXTRA_DIST =         	\
+        $(pixmap_DATA)	\
+	$(schema_DATA)
+
diff --git a/thumbnailer/evince-thumbnailer.c b/thumbnailer/evince-thumbnailer.c
new file mode 100644
index 0000000..505f5f3
--- /dev/null
+++ b/thumbnailer/evince-thumbnailer.c
@@ -0,0 +1,99 @@
+#include <pdf-document.h>
+
+#include <libgnomevfs/gnome-vfs-mime-utils.h>
+#include <libgnomevfs/gnome-vfs-uri.h>
+#include <libgnomevfs/gnome-vfs-utils.h>
+#include <libgnomevfs/gnome-vfs-init.h>
+
+#include <ev-document.h>
+#include <ev-document-thumbnails.h>
+
+#include <string.h>
+
+static gboolean
+evince_thumbnail_pngenc_get (const char *uri, const char *thumbnail)
+{
+	EvDocument *document = NULL;
+	char *mime_type;
+	GError *error;
+	GdkPixbuf *pixbuf;
+
+	mime_type = gnome_vfs_get_mime_type (uri);
+	if (mime_type == NULL)
+		return FALSE;
+
+	if (!strcmp (mime_type, "application/pdf"))
+		document = g_object_new (PDF_TYPE_DOCUMENT, NULL);
+	else
+		return FALSE;
+
+	if (!ev_document_load (document, uri, &error)) {
+		if (error->domain == EV_DOCUMENT_ERROR &&
+            	    error->code == EV_DOCUMENT_ERROR_ENCRYPTED) {
+			/* FIXME: Create a thumb for cryp docs */
+		}
+		g_error_free (error);
+		return FALSE;
+	}
+
+	pixbuf = ev_document_thumbnails_get_thumbnail
+			(EV_DOCUMENT_THUMBNAILS (document), 1, 100);
+	
+	if (pixbuf != NULL) {
+		GdkPixbuf *pdflogo;
+
+		pdflogo = gdk_pixbuf_new_from_file (DATADIR"/pdf-icon.png", NULL);
+		if (pdflogo != NULL) {
+			int delta_height, delta_width;
+
+			delta_width = gdk_pixbuf_get_width (pixbuf) -
+			              gdk_pixbuf_get_width (pdflogo);
+			delta_height = gdk_pixbuf_get_height (pixbuf) -
+			               gdk_pixbuf_get_height (pdflogo);
+
+			gdk_pixbuf_composite (pdflogo, pixbuf,
+					      delta_width, delta_height,
+					      gdk_pixbuf_get_width (pdflogo),
+					      gdk_pixbuf_get_height (pdflogo),
+					      delta_width, delta_height,
+					      1, 1,
+					      GDK_INTERP_NEAREST, 100);
+
+			gdk_pixbuf_unref  (pdflogo);
+		}
+		if (gdk_pixbuf_save (pixbuf, thumbnail, "png", NULL, NULL)) {
+			gdk_pixbuf_unref  (pixbuf);
+			g_object_unref (document);
+			return TRUE;
+		} else {
+			gdk_pixbuf_unref  (pixbuf);
+			g_object_unref (document);
+		}
+	}
+	return FALSE;
+}
+
+int
+main (int argc, char *argv[])
+{
+	int res;
+	char *uri;
+
+	if (argc != 3) {
+		g_print ("%s: thumbnailer for Nautilus\n", argv[0]);
+		g_print ("usage: %s <input-filename> <output-filename>\n", argv[0]);
+		return -1;
+	}
+
+	res = gnome_vfs_init ();
+
+	uri = gnome_vfs_make_uri_from_shell_arg (argv[1]);
+
+	if (evince_thumbnail_pngenc_get (uri, argv[2])) {
+		g_free (uri);
+		return 0;
+	} else {
+		g_free (uri);
+		return -2;
+	}
+}
diff --git a/thumbnailer/evince-thumbnailer.schemas b/thumbnailer/evince-thumbnailer.schemas
new file mode 100644
index 0000000..2cc5f28
--- /dev/null
+++ b/thumbnailer/evince-thumbnailer.schemas
@@ -0,0 +1,30 @@
+<gconfschemafile>
+    <schemalist>
+
+        <schema>
+            <key>/schemas/desktop/gnome/thumbnailers/application@pdf/enable</key>
+            <applyto>/desktop/gnome/thumbnailers/application@pdf/enable</applyto>
+            <owner>evince</owner>
+            <type>bool</type>
+            <default>true</default>
+            <locale name="C">
+                <short></short>
+                <long></long>
+            </locale>
+        </schema>
+
+
+        <schema>
+            <key>/schemas/desktop/gnome/thumbnailers/application@pdf/command</key>
+            <applyto>/desktop/gnome/thumbnailers/application@pdf/command</applyto>
+            <owner>evince</owner>
+            <type>string</type>
+            <default>evince-thumbnailer %u %o</default>
+            <locale name="C">
+                <short></short>
+                <long></long>
+            </locale>
+        </schema>
+
+    </schemalist>
+</gconfschemafile>
diff --git a/thumbnailer/pdf-icon.png b/thumbnailer/pdf-icon.png
new file mode 100644
index 0000000..0768913
--- /dev/null
+++ b/thumbnailer/pdf-icon.png