[libchamplain] Follow the coding style

[Pierre-Luc Beaudoin <plbeaudoin src gnome org>]

commit ab1151c402a2b1bb241899209c35bc981640e758
Author: Emmanuel Rodriguez <emmanuel rodriguez gmail com>
Date:   Thu Apr 16 20:33:11 2009 +0200

    Follow the coding style

 demos/image.c |  259 +++++++++++++++++++++++++++++----------------------------
 1 files changed, 131 insertions(+), 128 deletions(-)
---
diff --git a/demos/image.c b/demos/image.c
index 6b5523c..abfbaed 100644
--- a/demos/image.c
+++ b/demos/image.c
@@ -30,149 +30,152 @@
 static GdkPixbuf*
 messge_to_pixbuf (SoupMessage *message, GError **error)
 {
-	const gchar *mime_type = NULL;
-	GdkPixbufLoader *loader = NULL;
-	GdkPixbuf *pixbuf = NULL;
-
-	error = NULL;
-
-	/*  Use a pixbuf loader that can load images of the same mime-type as the
-	    message.
-	*/
-	mime_type = soup_message_headers_get (message->response_headers, "Content-Type");
-	loader = gdk_pixbuf_loader_new_with_mime_type (mime_type, error);
-	if (error) {
-		if (loader) {gdk_pixbuf_loader_close (loader, NULL);}
-		goto cleanup;
-	}
-
-	gdk_pixbuf_loader_write (
-		loader, 
-		message->response_body->data,
-		message->response_body->length, 
-		error);
-	if (error) {
-		gdk_pixbuf_loader_close (loader, NULL);
-		goto cleanup;
-	}
-
-	gdk_pixbuf_loader_close (loader, error);
-	if (error) {
-		goto cleanup;
-	}
-
-	pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
-	if (pixbuf == NULL) {
-		goto cleanup;
-	}
-
-	/* Cleanup part, the function will always exit here even in case of error */
-	cleanup:
-		if (loader) {g_object_unref (G_OBJECT (loader));}
-	return pixbuf;
+  const gchar *mime_type = NULL;
+  GdkPixbufLoader *loader = NULL;
+  GdkPixbuf *pixbuf = NULL;
+
+  error = NULL;
+
+  /*  Use a pixbuf loader that can load images of the same mime-type as the
+      message.
+  */
+  mime_type = soup_message_headers_get (message->response_headers,
+      "Content-Type");
+  loader = gdk_pixbuf_loader_new_with_mime_type (mime_type, error);
+  if (error != NULL)
+	  {
+      if (loader != NULL) gdk_pixbuf_loader_close (loader, NULL);
+      goto cleanup;
+    }
+
+  gdk_pixbuf_loader_write (
+    loader, 
+    message->response_body->data,
+    message->response_body->length, 
+    error);
+  if (error != NULL)
+    {
+      gdk_pixbuf_loader_close (loader, NULL);
+      goto cleanup;
+    }
+
+  gdk_pixbuf_loader_close (loader, error);
+  if (error != NULL) goto cleanup;
+
+  pixbuf = gdk_pixbuf_loader_get_pixbuf (loader);
+  if (pixbuf == NULL) goto cleanup;
+  
+  /* Cleanup part, the function will always exit here even in case of error */
+  cleanup:
+    {
+      if (loader != NULL) g_object_unref (G_OBJECT (loader));
+    }
+  return pixbuf;
 }
 
 
 /**
  * Transforms a GdkPixbuf into a ClutterTexture.
- * If there's an error building the ClutterActor (the texture) the function will
- * return NULL and set error accordingly.
+ * If there's an error building the ClutterActor (the texture) the function
+ * will return NULL and set error accordingly.
  */
 static ClutterActor*
 pixbuf_to_texture (GdkPixbuf *pixbuf, GError **error)
 {
-	ClutterActor *texture = NULL;
-	const guchar *data;
-	gboolean has_alpha, success;
-	int width, height, rowstride;
-	ClutterTextureFlags flags = 0;
-
-	error = NULL;
-
-	data = gdk_pixbuf_get_pixels (pixbuf);
-	width = gdk_pixbuf_get_width (pixbuf);
-	height = gdk_pixbuf_get_height (pixbuf);
-	has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
-	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
-
-	texture = clutter_texture_new ();
-	success = clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (texture),
-		data,
-		has_alpha,
-		width,
-		height,
-		rowstride,
-		(has_alpha ? 4 : 3),
-		flags,
-		error);
-	if (! success) {
-		clutter_actor_destroy (CLUTTER_ACTOR (texture));
-		texture = NULL;
-	}
-
-	return texture;
+  ClutterActor *texture = NULL;
+  const guchar *data;
+  gboolean has_alpha, success;
+  int width, height, rowstride;
+  ClutterTextureFlags flags = 0;
+
+  error = NULL;
+
+  data = gdk_pixbuf_get_pixels (pixbuf);
+  width = gdk_pixbuf_get_width (pixbuf);
+  height = gdk_pixbuf_get_height (pixbuf);
+  has_alpha = gdk_pixbuf_get_has_alpha (pixbuf);
+  rowstride = gdk_pixbuf_get_rowstride (pixbuf);
+
+  texture = clutter_texture_new ();
+  success = clutter_texture_set_from_rgb_data (CLUTTER_TEXTURE (texture),
+    data,
+    has_alpha,
+    width,
+    height,
+    rowstride,
+    (has_alpha ? 4 : 3),
+    flags,
+    error);
+  if (! success)
+    {
+      clutter_actor_destroy (CLUTTER_ACTOR (texture));
+      texture = NULL;
+    }
+
+  return texture;
 }
 
 
 /**
  * Called when an image has been downloaded. This callback will transform the
  * image data (binary chunk sent by the remote web server) into a valid Clutter
- * actor (a texture) and will use this as the source image for a new marker. The
- * marker will then be added to an existing layer.
+ * actor (a texture) and will use this as the source image for a new marker. 
+ * The marker will then be added to an existing layer.
  *
  * This callback expects the parameter data to be a valid ChamplainLayer.
  */
 static void
 image_downloaded_cb (SoupSession *session,
                      SoupMessage *message,
-										 gpointer data)
+                     gpointer data)
 {
   ChamplainLayer *layer = NULL;
-	SoupURI *uri = NULL;
-	char *url = NULL;
-	GError *error = NULL;
-	GdkPixbuf *pixbuf = NULL;
-	ClutterActor *texture = NULL;
-	ClutterActor *marker = NULL;
-
-	if (data == NULL) {
-		goto cleanup;
-	}
-	
-	/* Deal only with finished messages */
-	uri = soup_message_get_uri (message);
-	url = soup_uri_to_string (uri, FALSE);
-	if (! SOUP_STATUS_IS_SUCCESSFUL(message->status_code)) {
-		g_print ("Download of %s failed with error code %d\n", url, message->status_code);
-		goto cleanup;
-	}
-
-	pixbuf = messge_to_pixbuf (message, &error);
-	if (error) {
-		g_print ("Failed to convert %s into an image: %s\n", url, error->message);
-		goto cleanup;
-	}
-
-	/* Then transform the pixbuf into a texture */
-	texture = pixbuf_to_texture (pixbuf, &error);
-	if (error) {
-		g_print ("Failed to convert %s into a texture %s: %s\n", url, error->message);
-		goto cleanup;
-	}
-
-	/* Finally create a marker with the texture */
-	layer = CHAMPLAIN_LAYER (data);
-	marker = champlain_marker_new_with_image (texture);
-	texture = NULL;
+  SoupURI *uri = NULL;
+  char *url = NULL;
+  GError *error = NULL;
+  GdkPixbuf *pixbuf = NULL;
+  ClutterActor *texture = NULL;
+  ClutterActor *marker = NULL;
+
+  if (data == NULL) goto cleanup;
+  
+  /* Deal only with finished messages */
+  uri = soup_message_get_uri (message);
+  url = soup_uri_to_string (uri, FALSE);
+  if (! SOUP_STATUS_IS_SUCCESSFUL(message->status_code)) {
+    g_print ("Download of %s failed with error code %d\n", url,
+        message->status_code);
+    goto cleanup;
+  }
+
+  pixbuf = messge_to_pixbuf (message, &error);
+  if (error != NULL) {
+    g_print ("Failed to convert %s into an image: %s\n", url, error->message);
+    goto cleanup;
+  }
+
+  /* Then transform the pixbuf into a texture */
+  texture = pixbuf_to_texture (pixbuf, &error);
+  if (error != NULL) {
+    g_print ("Failed to convert %s into a texture %s: %s\n", url,
+      error->message);
+    goto cleanup;
+  }
+
+  /* Finally create a marker with the texture */
+  layer = CHAMPLAIN_LAYER (data);
+  marker = champlain_marker_new_with_image (texture);
+  texture = NULL;
   champlain_base_marker_set_position (CHAMPLAIN_BASE_MARKER (marker), 45.466, -73.75);
   clutter_container_add (CLUTTER_CONTAINER (layer), marker, NULL);
-	clutter_actor_show_all (marker);
-
-	/* Cleanup part, the function will always exit here even in case of error */
-	cleanup:
-		g_free (url);
-		if (texture) {clutter_actor_destroy (CLUTTER_ACTOR (texture));}
-		return;
+  clutter_actor_show_all (marker);
+
+  /* Cleanup part, the function will always exit here even in case of error */
+  cleanup:
+    {
+      g_free (url);
+      if (texture != NULL) clutter_actor_destroy (CLUTTER_ACTOR (texture));
+    }
 }
 
 
@@ -182,10 +185,10 @@ create_marker_from_url (ChamplainLayer *layer,
                         const gchar *url)
 {
   SoupMessage *message;
-	
-	message = soup_message_new ("GET", url);
-	soup_session_queue_message (session, message, image_downloaded_cb, layer);
-	g_print ("Downloading %s\n",  url);
+  
+  message = soup_message_new ("GET", url);
+  soup_session_queue_message (session, message, image_downloaded_cb, layer);
+  g_print ("Downloading %s\n",  url);
 }
 
 
@@ -194,7 +197,7 @@ main (int argc, char *argv[])
 {
   ClutterActor* actor, *stage;
   ChamplainLayer *layer;
-	SoupSession *session;
+  SoupSession *session;
 
   g_thread_init (NULL);
   clutter_init (&argc, &argv);
@@ -210,18 +213,18 @@ main (int argc, char *argv[])
   /* Create the markers and marker layer */
   layer = champlain_layer_new ();
   champlain_view_add_layer (CHAMPLAIN_VIEW (actor), layer);
-	session = soup_session_async_new ();
-	create_marker_from_url (layer, session, "http://hexten.net/cpan-faces/potyl.jpg";);
+  session = soup_session_async_new ();
+  create_marker_from_url (layer, session, "http://hexten.net/cpan-faces/potyl.jpg";);
 
   /* Finish initialising the map view */
   g_object_set (G_OBJECT (actor), "zoom-level", 12,
       "scroll-mode", CHAMPLAIN_SCROLL_MODE_KINETIC, NULL);
   champlain_view_center_on (CHAMPLAIN_VIEW(actor), 45.466, -73.75);
 
-  clutter_actor_show (stage);
+  clutter_actor_show_all (stage);
   clutter_main ();
-	
-	g_object_unref (session);
+  
+  g_object_unref (session);
 
   return 0;
 }