/**
* gs_image_set_from_pixbuf_with_scale:
**/
void
gs_image_set_from_pixbuf_with_scale (GtkImage *image, const GdkPixbuf *pixbuf, gint scale)
{
cairo_surface_t *surface;
surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, scale, NULL);
gtk_image_set_from_surface (image, surface);
cairo_surface_destroy (surface);
}
static void
render_image (UmUserImage *image)
{
cairo_surface_t *surface;
gint scale, pixel_size;
if (image->priv->user == NULL)
return;
pixel_size = gtk_image_get_pixel_size (GTK_IMAGE (image));
scale = gtk_widget_get_scale_factor (GTK_WIDGET (image));
surface = render_user_icon (image->priv->user,
UM_ICON_STYLE_NONE,
pixel_size > 0 ? pixel_size : 48,
scale);
gtk_image_set_from_surface (GTK_IMAGE (image), surface);
cairo_surface_destroy (surface);
}
static void update_icon(ShowDesktopData* sdd)
{
GtkStyleContext *context;
GtkStateFlags state;
GtkBorder padding;
int width, height;
cairo_surface_t* icon;
cairo_surface_t* scaled;
int icon_size, icon_scale;
GError* error;
int thickness = 0;
if (!sdd->icon_theme)
return;
state = gtk_widget_get_state_flags (sdd->button);
context = gtk_widget_get_style_context (sdd->button);
gtk_style_context_get_padding (context, state, &padding);
switch (sdd->orient) {
case GTK_ORIENTATION_HORIZONTAL:
thickness = padding.top + padding.bottom;
break;
case GTK_ORIENTATION_VERTICAL:
thickness = padding.left + padding.right;
break;
}
icon_scale = gtk_widget_get_scale_factor (sdd->button);
icon_size = sdd->size * icon_scale - thickness;
if (icon_size < 22)
icon_size = 16;
else if (icon_size < 24)
icon_size = 22;
else if (icon_size < 32)
icon_size = 24;
else if (icon_size < 48)
icon_size = 32;
else if (icon_size < 64)
icon_size = 48;
else if (icon_size < 128)
icon_size = 64;
error = NULL;
icon = gtk_icon_theme_load_surface (sdd->icon_theme, SHOW_DESKTOP_ICON, icon_size, icon_scale, NULL, 0, &error);
if (icon == NULL)
{
g_printerr(_("Failed to load %s: %s\n"), SHOW_DESKTOP_ICON, error ? error->message : _("Icon not found"));
if (error)
{
g_error_free(error);
error = NULL;
}
gtk_image_set_from_icon_name (GTK_IMAGE (sdd->image), "image-missing", GTK_ICON_SIZE_SMALL_TOOLBAR);
return;
}
width = cairo_image_surface_get_width (icon);
height = cairo_image_surface_get_height (icon);
scaled = NULL;
/* Make it fit on the given panel */
switch (sdd->orient)
{
case GTK_ORIENTATION_HORIZONTAL:
width = (icon_size / icon_scale * width) / height;
height = icon_size / icon_scale;
break;
case GTK_ORIENTATION_VERTICAL:
height = (icon_size / icon_scale * height) / width;
width = icon_size / icon_scale;
break;
}
scaled = cairo_surface_create_similar (icon,
cairo_surface_get_content (icon),
width,
height);
if (scaled != NULL)
{
cairo_t *cr;
cr = cairo_create (scaled);
cairo_scale (cr, (double) width / icon_size, (double) height / icon_size);
cairo_set_source_surface (cr, icon, 0, 0);
cairo_paint (cr);
gtk_image_set_from_surface (GTK_IMAGE(sdd->image), scaled);
cairo_surface_destroy (scaled);
}
else
{
gtk_image_set_from_surface (GTK_IMAGE (sdd->image), icon);
}
cairo_surface_destroy (icon);
}