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[libchamplain] Update demos to use Clutter 1.12 API

commit 4bf9388ae1697901913f8deb8eed18f14b3d41b1
Author: Jiří Techet <techet gmail com>
Date:   Sat Apr 13 00:42:17 2013 +0200

    Update demos to use Clutter 1.12 API

 demos/Makefile.am        |    8 ++--
 demos/animated-marker.c  |  132 +++++++++++++++++++++++++++++----------------
 demos/launcher-gtk.c     |    5 +--
 demos/launcher-vala.vala |   21 ++++----
 demos/local-rendering.c  |   10 ++--
 demos/minimal.py         |    2 -
 demos/polygons.py        |   19 ++++---
 demos/url-marker.c       |   59 +++++++--------------
 8 files changed, 136 insertions(+), 120 deletions(-)
---
diff --git a/demos/Makefile.am b/demos/Makefile.am
index 0126324..6433420 100644
--- a/demos/Makefile.am
+++ b/demos/Makefile.am
@@ -20,7 +20,7 @@ polygons_SOURCES = polygons.c
 polygons_LDADD = $(DEPS_LIBS) ../champlain/libchamplain- CHAMPLAIN_API_VERSION@.la
 
 url_marker_SOURCES = url-marker.c
-url_marker_CPPFLAGS = $(DEPS_CFLAGS) $(SOUP_CFLAGS)
+url_marker_CPPFLAGS = $(DEPS_CFLAGS) $(SOUP_CFLAGS) $(WARN_CFLAGS)
 url_marker_LDADD = $(SOUP_LIBS) $(DEPS_LIBS) ../champlain/libchamplain- CHAMPLAIN_API_VERSION@.la
 
 create_destroy_test_SOURCES = create-destroy-test.c
@@ -29,14 +29,14 @@ create_destroy_test_LDADD = $(DEPS_LIBS) ../champlain/libchamplain- CHAMPLAIN_AP
 if ENABLE_GTK
 noinst_PROGRAMS += minimal-gtk
 minimal_gtk_SOURCES = minimal-gtk.c
-minimal_gtk_CPPFLAGS = $(GTK_CFLAGS)
+minimal_gtk_CPPFLAGS = $(GTK_CFLAGS) $(WARN_CFLAGS)
 minimal_gtk_LDADD = $(GTK_LIBS) $(DEPS_LIBS) \
                ../champlain-gtk/libchamplain-gtk- CHAMPLAIN_API_VERSION@.la \
                ../champlain/libchamplain- CHAMPLAIN_API_VERSION@.la
 
 noinst_PROGRAMS += launcher-gtk
 launcher_gtk_SOURCES = launcher-gtk.c markers.c
-launcher_gtk_CPPFLAGS = $(GTK_CFLAGS)
+launcher_gtk_CPPFLAGS = $(GTK_CFLAGS) $(WARN_CFLAGS)
 launcher_gtk_LDADD = $(GTK_LIBS) $(DEPS_LIBS) \
                ../champlain-gtk/libchamplain-gtk- CHAMPLAIN_API_VERSION@.la \
                ../champlain/libchamplain- CHAMPLAIN_API_VERSION@.la
@@ -44,7 +44,7 @@ launcher_gtk_LDADD = $(GTK_LIBS) $(DEPS_LIBS) \
 if ENABLE_MEMPHIS
 noinst_PROGRAMS += local-rendering
 local_rendering_SOURCES = local-rendering.c
-local_rendering_CPPFLAGS = $(GTK_CFLAGS) $(MEMPHIS_CFLAGS)
+local_rendering_CPPFLAGS = $(GTK_CFLAGS) $(MEMPHIS_CFLAGS) $(WARN_CFLAGS)
 local_rendering_LDADD = $(GTK_LIBS) $(MEMPHIS_LIBS) $(DEPS_LIBS) \
                ../champlain-gtk/libchamplain-gtk- CHAMPLAIN_API_VERSION@.la \
                ../champlain/libchamplain- CHAMPLAIN_API_VERSION@.la
diff --git a/demos/animated-marker.c b/demos/animated-marker.c
index 8736298..4c2e334 100644
--- a/demos/animated-marker.c
+++ b/demos/animated-marker.c
@@ -21,24 +21,13 @@
 
 #define MARKER_SIZE 10
 
-/* The marker is drawn with cairo.  It is composed of 1 static filled circle
- * and 1 stroked circle animated as an echo.
- */
-static ClutterActor *
-create_marker ()
-{
-  ClutterActor *marker;
-  ClutterActor *bg;
-  ClutterTimeline *timeline;
-  cairo_t *cr;
-
-  /* Create the marker */
-  marker = champlain_custom_marker_new ();
-
-  /* Static filled circle ----------------------------------------------- */
-  bg = clutter_cairo_texture_new (MARKER_SIZE, MARKER_SIZE);
-  cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (bg));
 
+static gboolean
+draw_center (ClutterCanvas *canvas,
+    cairo_t *cr,
+    int width,
+    int height)
+{
   cairo_set_operator (cr, CAIRO_OPERATOR_CLEAR);
   cairo_paint(cr);
   cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
@@ -51,19 +40,18 @@ create_marker ()
   /* Fill the circle */
   cairo_set_source_rgba (cr, 0.1, 0.1, 0.9, 1.0);
   cairo_fill (cr);
+  
+  return TRUE;
+}
 
-  cairo_destroy (cr);
-
-  /* Add the circle to the marker */
-  clutter_actor_add_child (marker, bg);
-  clutter_actor_set_anchor_point_from_gravity (bg, CLUTTER_GRAVITY_CENTER);
-  clutter_actor_set_position (bg, 0, 0);
-
-  /* Echo circle -------------------------------------------------------- */
-  bg = clutter_cairo_texture_new (2 * MARKER_SIZE, 2 * MARKER_SIZE);
-  cr = clutter_cairo_texture_create (CLUTTER_CAIRO_TEXTURE (bg));
 
-  /* Draw the circle */
+static gboolean
+draw_circle (ClutterCanvas *canvas,
+    cairo_t *cr,
+    int width,
+    int height)
+{
+   /* Draw the circle */
   cairo_set_source_rgb (cr, 0, 0, 0);
   cairo_arc (cr, MARKER_SIZE, MARKER_SIZE, 0.9 * MARKER_SIZE, 0, 2 * M_PI);
   cairo_close_path (cr);
@@ -73,28 +61,78 @@ create_marker ()
   cairo_set_source_rgba (cr, 0.1, 0.1, 0.7, 1.0);
   cairo_stroke (cr);
 
-  cairo_destroy (cr);
+  return TRUE;
+}
+
+
+/* The marker is drawn with cairo.  It is composed of 1 static filled circle
+ * and 1 stroked circle animated as an echo.
+ */
+static ClutterActor *
+create_marker ()
+{
+  ClutterActor *marker;
+  ClutterActor *bg;
+  ClutterContent *canvas;
+  ClutterTransition *transition;
+
+  /* Create the marker */
+  marker = champlain_custom_marker_new ();
+
+  /* Static filled circle ----------------------------------------------- */
+  canvas = clutter_canvas_new ();
+  clutter_canvas_set_size (CLUTTER_CANVAS (canvas), MARKER_SIZE, MARKER_SIZE);
+  g_signal_connect (canvas, "draw", G_CALLBACK (draw_center), NULL);
+
+  bg = clutter_actor_new ();
+  clutter_actor_set_size (bg, MARKER_SIZE, MARKER_SIZE);
+  clutter_actor_set_content (bg, canvas);
+  clutter_content_invalidate (canvas);
+  g_object_unref (canvas);
+
+  /* Add the circle to the marker */
+  clutter_actor_add_child (marker, bg);
+  clutter_actor_set_position (bg, -0.5 * MARKER_SIZE, -0.5 * MARKER_SIZE);
+
+  /* Echo circle -------------------------------------------------------- */
+  canvas = clutter_canvas_new ();
+  clutter_canvas_set_size (CLUTTER_CANVAS (canvas), 2 * MARKER_SIZE, 2 * MARKER_SIZE);
+  g_signal_connect (canvas, "draw", G_CALLBACK (draw_circle), NULL);
+
+  bg = clutter_actor_new ();
+  clutter_actor_set_size (bg, 2 * MARKER_SIZE, 2 * MARKER_SIZE);
+  clutter_actor_set_content (bg, canvas);
+  clutter_content_invalidate (canvas);
+  g_object_unref (canvas);
 
   /* Add the circle to the marker */
   clutter_actor_add_child (marker, bg);
-  clutter_actor_lower_bottom (bg); /* Ensure it is under the previous circle */
-  clutter_actor_set_position (bg, 0, 0);
-  clutter_actor_set_anchor_point_from_gravity (bg, CLUTTER_GRAVITY_CENTER);
-
-  /* Animate the echo circle */
-  timeline = clutter_timeline_new (1000);
-  clutter_timeline_set_loop (timeline, TRUE);
-  clutter_actor_set_opacity (CLUTTER_ACTOR (bg), 255);
-  clutter_actor_set_scale (CLUTTER_ACTOR (bg), 0.5, 0.5);
-  clutter_actor_animate_with_timeline (CLUTTER_ACTOR (bg),
-      CLUTTER_EASE_OUT_SINE, 
-      timeline, 
-      "opacity", 0, 
-      "scale-x", 2.0, 
-      "scale-y", 2.0, 
-      NULL);
-
-  clutter_timeline_start (timeline);
+  clutter_actor_set_pivot_point (bg, 0.5, 0.5);
+  clutter_actor_set_position (bg, -MARKER_SIZE, -MARKER_SIZE);
+
+  transition = clutter_property_transition_new ("opacity");
+  clutter_actor_set_easing_mode (bg, CLUTTER_EASE_OUT_SINE);
+  clutter_timeline_set_duration (CLUTTER_TIMELINE (transition), 1000);
+  clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), -1);
+  clutter_transition_set_from (transition, G_TYPE_UINT, 255);
+  clutter_transition_set_to (transition, G_TYPE_UINT, 0);
+  clutter_actor_add_transition (bg, "animate-opacity", transition);
+
+  transition = clutter_property_transition_new ("scale-x");
+  clutter_actor_set_easing_mode (bg, CLUTTER_EASE_OUT_SINE);
+  clutter_timeline_set_duration (CLUTTER_TIMELINE (transition), 1000);
+  clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), -1);
+  clutter_transition_set_from (transition, G_TYPE_FLOAT, 0.5);
+  clutter_transition_set_to (transition, G_TYPE_FLOAT, 2.0);
+  clutter_actor_add_transition (bg, "animate-scale-x", transition);
+
+  transition = clutter_property_transition_new ("scale-y");
+  clutter_actor_set_easing_mode (bg, CLUTTER_EASE_OUT_SINE);
+  clutter_timeline_set_duration (CLUTTER_TIMELINE (transition), 1000);
+  clutter_timeline_set_repeat_count (CLUTTER_TIMELINE (transition), -1);
+  clutter_transition_set_from (transition, G_TYPE_FLOAT, 0.5);
+  clutter_transition_set_to (transition, G_TYPE_FLOAT, 2.0);
+  clutter_actor_add_transition (bg, "animate-scale-y", transition);
 
   return marker;
 }
diff --git a/demos/launcher-gtk.c b/demos/launcher-gtk.c
index e71ada8..d1d2125 100644
--- a/demos/launcher-gtk.c
+++ b/demos/launcher-gtk.c
@@ -63,7 +63,7 @@ toggle_layer (GtkToggleButton *widget,
 }
 
 
-gboolean
+static gboolean
 mouse_click_cb (ClutterActor *actor, ClutterButtonEvent *event, ChamplainView *view)
 {
   gdouble lat, lon;
@@ -165,7 +165,6 @@ build_combo_box (GtkComboBox *box)
 {
   ChamplainMapSourceFactory *factory;
   GSList *sources, *iter;
-  gint i = 0;
   GtkTreeStore *store;
   GtkTreeIter parent;
   GtkCellRenderer *cell;
@@ -266,8 +265,6 @@ main (int argc,
   ChamplainMarkerLayer *layer;
   ClutterActor *scale;
   ChamplainLicense *license_actor;
-  gint size;
-  ChamplainMapSource *map_source;
 
   if (gtk_clutter_init (&argc, &argv) != CLUTTER_INIT_SUCCESS)
     return 1;
diff --git a/demos/launcher-vala.vala b/demos/launcher-vala.vala
index 822a2b5..ed772f4 100644
--- a/demos/launcher-vala.vala
+++ b/demos/launcher-vala.vala
@@ -30,21 +30,21 @@ public class Launcher : GLib.Object
   {
     float width, total_width = 0;
 
-    stage = Clutter.Stage.get_default ();
+    stage = new Clutter.Stage ();
     stage.title = "Champlain Vala Example";
     stage.set_size (800, 600);
 
     /* Create the map view */
     view = new Champlain.View ();
     view.set_size (800, 600);
-    stage.add_actor (view);
+    stage.add_child (view);
 
     /* Create the buttons */
-    var buttons = new Clutter.Group ();
+    var buttons = new Clutter.Actor ();
     buttons.set_position (PADDING, PADDING);
 
     var button = make_button ("Zoom in");
-    buttons.add_actor (button);
+    buttons.add_child (button);
     button.reactive = true;
     button.get_size (out width, null);
     total_width += width + PADDING;
@@ -54,7 +54,7 @@ public class Launcher : GLib.Object
       });
 
     button = make_button ("Zoom out");
-    buttons.add_actor (button);
+    buttons.add_child (button);
     button.reactive = true;
     button.set_position (total_width, 0);
     button.get_size (out width, null);
@@ -64,7 +64,7 @@ public class Launcher : GLib.Object
         return true;
       });
 
-    stage.add_actor (buttons);
+    stage.add_child (buttons);
 
     /* Create the markers and marker layer */
     var layer = new  DemoLayer ();
@@ -106,14 +106,15 @@ public class Launcher : GLib.Object
     Clutter.Color black = { 0x00, 0x00, 0x00, 0xff };
     float width, height;
 
-    var button = new Clutter.Group ();
+    var button = new Clutter.Actor ();
 
-    var button_bg = new Clutter.Rectangle.with_color (white);
-    button.add_actor (button_bg);
+    var button_bg = new Clutter.Actor ();
+    button_bg.set_background_color (white);
+    button.add_child (button_bg);
     button_bg.opacity = 0xcc;
 
     var button_text = new Clutter.Text.full ("Sans 10", text, black);
-    button.add_actor (button_text);
+    button.add_child (button_text);
     button_text.get_size (out width, out height);
 
     button_bg.set_size (width + PADDING * 2, height + PADDING * 2);
diff --git a/demos/local-rendering.c b/demos/local-rendering.c
index 51b2ee4..3fc706b 100644
--- a/demos/local-rendering.c
+++ b/demos/local-rendering.c
@@ -22,6 +22,7 @@
 #include <champlain/champlain-memphis-renderer.h>
 #include <champlain-gtk/champlain-gtk.h>
 #include <clutter-gtk/clutter-gtk.h>
+#include <memphis/memphis.h>
 #include <string.h>
 #include <stdio.h>
 #include <unistd.h>
@@ -181,7 +182,7 @@ static void
 rule_window_close_cb (GtkWidget *widget, gpointer data)
 {
   gtk_widget_destroy (rule_edit_window);
-  memphis_rule_free (current_rule);
+  memphis_rule_free (MEMPHIS_RULE (current_rule));
   current_rule = NULL;
   rule_edit_window = NULL;
 }
@@ -238,7 +239,7 @@ rule_apply_cb (GtkWidget *widget, ChamplainMemphisRenderer *renderer)
 }
 
 
-GtkWidget *
+static GtkWidget *
 gtk_memphis_prop_new (gint type, ChamplainMemphisRuleAttr *attr)
 {
   GtkWidget *hbox, *cb, *sb1, *sb2, *sb3;
@@ -411,7 +412,7 @@ request_osm_data_cb (GtkWidget *widget, ChamplainView *view)
 }
 
 
-void
+static void
 bg_color_set_cb (GtkColorButton *widget, ChamplainView *view)
 {
   GdkRGBA gdk_color;
@@ -610,7 +611,6 @@ build_source_combo_box (GtkComboBox *box)
 {
   ChamplainMapSourceFactory *factory;
   GSList *sources, *iter;
-  gint i = 0;
   GtkTreeStore *store;
   GtkTreeIter parent;
   GtkCellRenderer *cell;
@@ -698,7 +698,7 @@ build_rules_combo_box (GtkComboBox *box)
 }
 
 
-void
+static void
 list_item_selected_cb (GtkTreeView *tree_view,
     GtkTreePath *path,
     GtkTreeViewColumn *column,
diff --git a/demos/minimal.py b/demos/minimal.py
index 6be224e..3d7a4c1 100755
--- a/demos/minimal.py
+++ b/demos/minimal.py
@@ -6,10 +6,8 @@
 # export GI_TYPELIB_PATH=$GI_TYPELIB_PATH:/usr/local/lib/girepository-1.0/
 
 from gi.repository import GtkClutter
-GtkClutter.init([])
 from gi.repository import GObject, Gtk, GtkChamplain 
 
-GObject.threads_init()
 GtkClutter.init([])
 
 window = Gtk.Window(type=Gtk.WindowType.TOPLEVEL)
diff --git a/demos/polygons.py b/demos/polygons.py
index a99a863..a888309 100755
--- a/demos/polygons.py
+++ b/demos/polygons.py
@@ -31,14 +31,15 @@ def make_button(text):
        black = Clutter.Color.new(0x00, 0x00, 0x00, 0xff)
        white = Clutter.Color.new(0xff, 0xff, 0xff, 0xff)
   
-       button = Clutter.Group()
+       button = Clutter.Actor()
        
-       button_bg = Clutter.Rectangle.new_with_color(white)
+       button_bg = Clutter.Actor()
+       button_bg.set_background_color(white)
        button_bg.set_opacity(0xcc)
-       button.add_actor(button_bg)
+       button.add_child(button_bg)
        
        button_text = Clutter.Text.new_full("Sans 10", text, black)
-       button.add_actor(button_text)
+       button.add_child(button_text)
        
        (width, height) = button_text.get_size()
        button_bg.set_size(width + PADDING * 2, height + PADDING * 2)
@@ -67,14 +68,14 @@ if __name__ == '__main__':
        # Create the map view
        view = Champlain.View()
        view.set_size(800, 600)
-       stage.add_actor(view)
+       stage.add_child(view)
 
        # Create the buttons
-       buttons = Clutter.Group()
+       buttons = Clutter.Actor()
        buttons.set_position(PADDING, PADDING)
 
        button = make_button('Zoom in')
-       buttons.add_actor(button)
+       buttons.add_child(button)
        button.set_reactive(True)
        (width, height) = button.get_size()
        total_width += width + PADDING;
@@ -82,13 +83,13 @@ if __name__ == '__main__':
        button.connect('button-release-event', zoom_in, view)
        
        button = make_button('Zoom out')
-       buttons.add_actor(button)
+       buttons.add_child(button)
        button.set_reactive(True)
        button.set_position(total_width, 0)
        (width, height) = button.get_size()
        button.connect('button-release-event', zoom_out, view)
 
-       stage.add_actor(buttons)
+       stage.add_child(buttons)
 
        # Draw a line
        layer = Champlain.PathLayer()
diff --git a/demos/url-marker.c b/demos/url-marker.c
index c9133be..73a13dd 100644
--- a/demos/url-marker.c
+++ b/demos/url-marker.c
@@ -88,49 +88,30 @@ cleanup:
 }
 
 
-/**
- * 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 you are using ClutterGtk, you can also use gtk_clutter_texture_set_from_pixbuf
- * instead of cluter_texture_set_from_rgb_data.
- *
- * The ClutterActor has to be freed with clutter_actor_destroy.
- */
 static ClutterActor *
 texture_new_from_pixbuf (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;
-    }
+  gfloat width, height;
+  ClutterContent *content;
+  
+  content = clutter_image_new ();
+  clutter_image_set_data (CLUTTER_IMAGE (content),
+                          gdk_pixbuf_get_pixels (pixbuf),
+                          gdk_pixbuf_get_has_alpha (pixbuf)
+                            ? COGL_PIXEL_FORMAT_RGBA_8888
+                            : COGL_PIXEL_FORMAT_RGB_888,
+                          gdk_pixbuf_get_width (pixbuf),
+                          gdk_pixbuf_get_height (pixbuf),
+                          gdk_pixbuf_get_rowstride (pixbuf),
+                          NULL);
+
+  texture = clutter_actor_new ();
+  clutter_content_get_preferred_size (content, &width, &height);
+  clutter_actor_set_size (texture, width, height);
+  clutter_actor_set_content (texture, content);
+  clutter_content_invalidate (content);
+  g_object_unref (content);
 
   return texture;
 }
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