static void
clutter_canvas_set_property (GObject *gobject,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
ClutterCanvasPrivate *priv = CLUTTER_CANVAS (gobject)->priv;
switch (prop_id)
{
case PROP_WIDTH:
{
gint new_size = g_value_get_int (value);
if (priv->width != new_size)
{
priv->width = new_size;
clutter_content_invalidate (CLUTTER_CONTENT (gobject));
}
}
break;
case PROP_HEIGHT:
{
gint new_size = g_value_get_int (value);
if (priv->height != new_size)
{
priv->height = new_size;
clutter_content_invalidate (CLUTTER_CONTENT (gobject));
}
}
break;
case PROP_SCALE_FACTOR:
clutter_canvas_set_scale_factor (CLUTTER_CANVAS (gobject),
g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
break;
}
}
void
bacon_video_osd_actor_set_content (BaconVideoOsdActor *osd,
const char *icon_name,
const char *message)
{
g_return_if_fail (BACON_IS_VIDEO_OSD_ACTOR (osd));
g_free (osd->priv->icon_name);
osd->priv->icon_name = g_strdup (icon_name);
g_free (osd->priv->message);
osd->priv->message = g_strdup (message);
if (icon_name != NULL || message != NULL)
clutter_content_invalidate (CLUTTER_CONTENT (osd->priv->canvas));
}
/**
* clutter_image_set_bytes:
* @image: a #ClutterImage
* @data: the image data, as a #GBytes
* @pixel_format: the Cogl pixel format of the image data
* @width: the width of the image data
* @height: the height of the image data
* @row_stride: the length of each row inside @data
* @error: return location for a #GError, or %NULL
*
* Sets the image data stored inside a #GBytes to be displayed by @image.
*
* If the image data was successfully loaded, the @image will be invalidated.
*
* In case of error, the @error value will be set, and this function will
* return %FALSE.
*
* The image data contained inside the #GBytes is copied in texture memory,
* and no additional reference is acquired on the @data.
*
* Return value: %TRUE if the image data was successfully loaded,
* and %FALSE otherwise.
*
* Since: 1.12
*/
gboolean
clutter_image_set_bytes (ClutterImage *image,
GBytes *data,
CoglPixelFormat pixel_format,
guint width,
guint height,
guint row_stride,
GError **error)
{
ClutterImagePrivate *priv;
CoglTextureFlags flags;
g_return_val_if_fail (CLUTTER_IS_IMAGE (image), FALSE);
g_return_val_if_fail (data != NULL, FALSE);
priv = image->priv;
if (priv->texture != NULL)
cogl_object_unref (priv->texture);
flags = COGL_TEXTURE_NONE;
if (width >= 512 && height >= 512)
flags |= COGL_TEXTURE_NO_ATLAS;
priv->texture = cogl_texture_new_from_data (width, height,
flags,
pixel_format,
COGL_PIXEL_FORMAT_ANY,
row_stride,
g_bytes_get_data (data, NULL));
if (priv->texture == NULL)
{
g_set_error_literal (error, CLUTTER_IMAGE_ERROR,
CLUTTER_IMAGE_ERROR_INVALID_DATA,
_("Unable to load image data"));
return FALSE;
}
clutter_content_invalidate (CLUTTER_CONTENT (image));
return TRUE;
}
/* Store image in cache */
static void _xfdashboard_image_content_store_in_cache(XfdashboardImageContent *self, const gchar *inKey)
{
XfdashboardImageContentPrivate *priv;
g_return_if_fail(XFDASHBOARD_IS_IMAGE_CONTENT(self));
g_return_if_fail(inKey && *inKey!=0);
priv=self->priv;
/* Create cache hashtable */
if(!_xfdashboard_image_content_cache) _xfdashboard_image_content_create_cache();
/* Set key */
if(priv->key)
{
g_critical(_("Image has already key '%s' set and will be replaced with '%s'"), priv->key, inKey);
g_free(priv->key);
priv->key=NULL;
}
priv->key=g_strdup(inKey);
/* Store image in cache */
if(g_hash_table_contains(_xfdashboard_image_content_cache, priv->key))
{
ClutterContent *content;
g_critical(_("An image with key '%s' is already cache and will be replaced."), priv->key);
/* Unreference current cached image */
content=CLUTTER_CONTENT(g_hash_table_lookup(_xfdashboard_image_content_cache, inKey));
if(content)
{
g_object_unref(content);
g_debug("Replacing image '%s' which had ref-count %u", priv->key, G_OBJECT(content)->ref_count);
}
}
/* Store new image in cache */
g_hash_table_insert(_xfdashboard_image_content_cache, priv->key, self);
g_debug("Added image '%s' with ref-count %d" , priv->key, G_OBJECT(self)->ref_count);
}
static gboolean
clutter_canvas_invalidate_internal (ClutterCanvas *canvas,
int width,
int height)
{
gboolean width_changed = FALSE, height_changed = FALSE;
gboolean res = FALSE;
GObject *obj;
obj = G_OBJECT (canvas);
g_object_freeze_notify (obj);
if (canvas->priv->width != width)
{
canvas->priv->width = width;
width_changed = TRUE;
g_object_notify_by_pspec (obj, obj_props[PROP_WIDTH]);
}
if (canvas->priv->height != height)
{
canvas->priv->height = height;
height_changed = TRUE;
g_object_notify_by_pspec (obj, obj_props[PROP_HEIGHT]);
}
if (width_changed || height_changed)
{
clutter_content_invalidate (CLUTTER_CONTENT (canvas));
res = TRUE;
}
g_object_thaw_notify (obj);
return res;
}
static void
bacon_video_osd_actor_init (BaconVideoOsdActor *osd)
{
ClutterActor *self;
GtkWidgetPath *widget_path;
self = CLUTTER_ACTOR (osd);
osd->priv = BACON_VIDEO_OSD_ACTOR_GET_PRIVATE (osd);
osd->priv->canvas = CLUTTER_CANVAS (clutter_canvas_new ());
g_object_bind_property (self, "width",
osd->priv->canvas, "width",
G_BINDING_DEFAULT);
g_object_bind_property (self, "height",
osd->priv->canvas, "height",
G_BINDING_DEFAULT);
clutter_actor_set_content (self, CLUTTER_CONTENT (osd->priv->canvas));
g_object_unref (osd->priv->canvas);
osd->priv->icon_name = NULL;
osd->priv->message = NULL;
osd->priv->ctx = g_new0 (GsdOsdDrawContext, 1);
widget_path = gtk_widget_path_new ();
gtk_widget_path_append_type (widget_path, GTK_TYPE_WINDOW);
osd->priv->style = gtk_style_context_new ();
gtk_style_context_set_path (osd->priv->style, widget_path);
gtk_widget_path_free (widget_path);
osd->priv->ctx->direction = clutter_get_default_text_direction ();
osd->priv->ctx->theme = gtk_icon_theme_get_default ();
osd->priv->ctx->style = osd->priv->style;
g_signal_connect (osd->priv->canvas, "draw", G_CALLBACK (bacon_video_osd_actor_draw), osd);
osd->priv->fade_out_alpha = 1.0;
}
/**
* clutter_canvas_set_scale_factor:
* @canvas: a #ClutterCanvas
* @scale: the scale factor, or -1 for the default
*
* Sets the scaling factor for the Cairo surface used by @canvas.
*
* This function should rarely be used.
*
* The default scaling factor of a #ClutterCanvas content uses the
* #ClutterSettings:window-scaling-factor property, which is set by
* the windowing system. By using this function it is possible to
* override that setting.
*
* Changing the scale factor will invalidate the @canvas.
*
* Since: 1.18
*/
void
clutter_canvas_set_scale_factor (ClutterCanvas *canvas,
int scale)
{
ClutterCanvasPrivate *priv;
GObject *obj;
g_return_if_fail (CLUTTER_IS_CANVAS (canvas));
g_return_if_fail (scale != 0);
priv = canvas->priv;
if (scale < 0)
{
if (!priv->scale_factor_set)
return;
priv->scale_factor_set = FALSE;
priv->scale_factor = -1;
}
else
{
if (priv->scale_factor_set && priv->scale_factor == scale)
return;
priv->scale_factor_set = TRUE;
priv->scale_factor = scale;
}
clutter_content_invalidate (CLUTTER_CONTENT (canvas));
obj = G_OBJECT (canvas);
g_object_notify_by_pspec (obj, obj_props[PROP_SCALE_FACTOR]);
g_object_notify_by_pspec (obj, obj_props[PROP_SCALE_FACTOR_SET]);
}
static void
on_monitors_changed (MetaScreen *screen,
MetaPlugin *plugin)
{
MetaDefaultPlugin *self = META_DEFAULT_PLUGIN (plugin);
__attribute__ ((unused)) ClutterAnimation *animation;
int i, n;
gchar *wallpaper = NULL;
GFile *wallpaper_file = NULL;
gchar *filename = NULL;
GDesktopBackgroundStyle style;
GDesktopBackgroundShading shading_direction;
ClutterColor primary_color;
ClutterColor secondary_color;
gboolean random_colour = FALSE;
clutter_actor_destroy_all_children (self->priv->background_group);
wallpaper = g_settings_get_string (self->priv->settings, PICTURE_URI_KEY);
/* We don't currently support slideshows */
if (!wallpaper || g_str_has_suffix(wallpaper, ".xml"))
random_colour = TRUE;
else {
gchar *color_str;
/* Shading direction*/
shading_direction = g_settings_get_enum (self->priv->settings, COLOR_SHADING_TYPE_KEY);
/* Primary color */
color_str = g_settings_get_string (self->priv->settings, PRIMARY_COLOR_KEY);
if (color_str)
{
clutter_color_from_string (&primary_color, color_str);
g_free (color_str);
color_str = NULL;
}
/* Secondary color */
color_str = g_settings_get_string (self->priv->settings, SECONDARY_COLOR_KEY);
if (color_str)
{
clutter_color_from_string (&secondary_color, color_str);
g_free (color_str);
color_str = NULL;
}
/* Picture options: "none", "wallpaper", "centered", "scaled", "stretched", "zoom", "spanned" */
style = g_settings_get_enum (self->priv->settings, BACKGROUND_STYLE_KEY);
wallpaper_file = g_file_new_for_uri(wallpaper);
filename = g_file_get_path(wallpaper_file);
}
n = meta_screen_get_n_monitors (screen);
for (i = 0; i < n; i++)
{
MetaBackground *content;
MetaRectangle rect;
ClutterActor *background;
background = meta_background_actor_new ();
content = meta_background_new (screen,
i,
META_BACKGROUND_EFFECTS_NONE);
// Don't use rand() here, mesa calls srand() internally when
// parsing the driconf XML, but it's nice if the colors are
// reproducible.
if (random_colour)
{
clutter_color_init (&primary_color,
g_random_int () % 255,
g_random_int () % 255,
g_random_int () % 255,
255);
meta_background_load_color (content, &primary_color);
} else {
if (style == G_DESKTOP_BACKGROUND_STYLE_NONE ||
g_str_has_suffix (filename, GNOME_COLOR_HACK))
{
if (shading_direction == G_DESKTOP_BACKGROUND_SHADING_SOLID)
meta_background_load_color (content, &primary_color);
else
meta_background_load_gradient (content,
shading_direction,
&primary_color,
&secondary_color);
} else {
/* Set the background */
meta_background_load_file_async (content,
filename,
style,
NULL, /*TODO use cancellable*/
background_load_file_cb,
self);
}
}
clutter_actor_set_content (background, CLUTTER_CONTENT (content));
g_object_unref (content);
meta_screen_get_monitor_geometry (screen, i, &rect);
clutter_actor_set_position (background, rect.x, rect.y);
clutter_actor_set_size (background, rect.width, rect.height);
clutter_actor_add_child (self->priv->background_group, background);
clutter_actor_set_scale (background, 0.0, 0.0);
clutter_actor_show (background);
clutter_actor_set_pivot_point (background, 0.5, 0.5);
/* Ease in the background using a scale effect */
animation = clutter_actor_animate (background, CLUTTER_EASE_IN_SINE,
BACKGROUND_TIMEOUT,
"scale-x", 1.0,
"scale-y", 1.0,
NULL);
}
if (wallpaper_file)
g_object_unref(wallpaper_file);
g_free(wallpaper);
g_free(filename);
}
/**
* clutter_image_set_area:
* @image: a #ClutterImage
* @data: (array): the image data, as an array of bytes
* @pixel_format: the Cogl pixel format of the image data
* @rect: a rectangle indicating the area that should be set
* @row_stride: the length of each row inside @data
* @error: return location for a #GError, or %NULL
*
* Sets the image data to be display by @image, using @rect to indicate
* the position and size of the image data to be set.
*
* If the @image does not have any image data set when this function is
* called, a new texture will be created with the size of the width and
* height of the rectangle, i.e. calling this function on a newly created
* #ClutterImage will be the equivalent of calling clutter_image_set_data().
*
* If the image data was successfully loaded, the @image will be invalidated.
*
* In case of error, the @error value will be set, and this function will
* return %FALSE.
*
* The image data is copied in texture memory.
*
* Return value: %TRUE if the image data was successfully loaded,
* and %FALSE otherwise.
*
* Since: 1.10
*/
gboolean
clutter_image_set_area (ClutterImage *image,
const guint8 *data,
CoglPixelFormat pixel_format,
const cairo_rectangle_int_t *area,
guint row_stride,
GError **error)
{
ClutterImagePrivate *priv;
g_return_val_if_fail (CLUTTER_IS_IMAGE (image), FALSE);
g_return_val_if_fail (data != NULL, FALSE);
g_return_val_if_fail (area != NULL, FALSE);
priv = image->priv;
if (priv->texture == NULL)
{
CoglTextureFlags flags = COGL_TEXTURE_NONE;
if (area->width >= 512 && area->height >= 512)
flags |= COGL_TEXTURE_NO_ATLAS;
priv->texture = cogl_texture_new_from_data (area->width,
area->height,
flags,
pixel_format,
COGL_PIXEL_FORMAT_ANY,
row_stride,
data);
}
else
{
gboolean res;
res = cogl_texture_set_region (priv->texture,
0, 0,
area->x, area->y,
area->width, area->height,
area->width, area->height,
pixel_format,
row_stride,
data);
if (!res)
{
cogl_object_unref (priv->texture);
priv->texture = NULL;
}
}
if (priv->texture == NULL)
{
g_set_error_literal (error, CLUTTER_IMAGE_ERROR,
CLUTTER_IMAGE_ERROR_INVALID_DATA,
_("Unable to load image data"));
return FALSE;
}
clutter_content_invalidate (CLUTTER_CONTENT (image));
return TRUE;
}
