static void
expose_event_cb (GtkDrawingArea *drawing_area,
GdkEventExpose *eev,
gpointer user_data)
{
GtkWidget *widget;
EomPrintPreviewPrivate *priv;
cairo_t *cr;
widget = GTK_WIDGET (drawing_area);
priv = EOM_PRINT_PREVIEW (user_data)->priv;
update_relative_sizes (EOM_PRINT_PREVIEW (user_data));
cr = gdk_cairo_create (gtk_widget_get_window (widget));
eom_print_preview_draw (EOM_PRINT_PREVIEW (user_data), cr);
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
fprintf (stderr, "Cairo is unhappy: %s\n",
cairo_status_to_string (cairo_status (cr)));
}
cairo_destroy (cr);
gdk_window_get_pointer (gtk_widget_get_window (widget), NULL, NULL, NULL);
}
/**
* photos_print_preview_new_with_pixbuf:
* @pixbuf: a #GdkPixbuf
*
* Creates a new #PhotosPrintPreview widget, and sets the #GdkPixbuf to preview
* on it.
*
* Returns: A new #PhotosPrintPreview widget.
**/
GtkWidget *
photos_print_preview_new_with_pixbuf (GdkPixbuf *pixbuf)
{
PhotosPrintPreview *preview;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
preview = PHOTOS_PRINT_PREVIEW (photos_print_preview_new ());
preview->priv->pixbuf = g_object_ref (pixbuf);
update_relative_sizes (preview);
return GTK_WIDGET (preview);
}
/**
* eom_print_preview_new_with_pixbuf:
* @pixbuf: a #GdkPixbuf
*
* Creates a new #EomPrintPreview widget, and sets the #GdkPixbuf to preview
* on it.
*
* Returns: A new #EomPrintPreview widget.
**/
GtkWidget *
eom_print_preview_new_with_pixbuf (GdkPixbuf *pixbuf)
{
EomPrintPreview *preview;
g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
preview = EOM_PRINT_PREVIEW (eom_print_preview_new ());
preview->priv->image = g_object_ref (pixbuf);
update_relative_sizes (preview);
return GTK_WIDGET (preview);
}
static gboolean
draw_cb (GtkDrawingArea *drawing_area,
cairo_t *cr,
gpointer user_data)
{
update_relative_sizes (PHOTOS_PRINT_PREVIEW (user_data));
photos_print_preview_draw (PHOTOS_PRINT_PREVIEW (user_data), cr);
if (cairo_status (cr) != CAIRO_STATUS_SUCCESS) {
fprintf (stderr, "Cairo is unhappy: %s\n",
cairo_status_to_string (cairo_status (cr)));
}
return TRUE;
}
static void
size_allocate_cb (GtkWidget *widget, GtkAllocation *allocation, gpointer user_data)
{
PhotosPrintPreview *preview;
preview = PHOTOS_PRINT_PREVIEW (user_data);
update_relative_sizes (preview);
preview->priv->flag_create_surface = TRUE;
if (preview->priv->pixbuf_scaled != NULL)
{
g_object_unref (preview->priv->pixbuf_scaled);
preview->priv->pixbuf_scaled = NULL;
}
g_idle_add ((GSourceFunc) create_surface_when_idle, preview);
}
static void
photos_print_preview_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
PhotosPrintPreviewPrivate *priv = PHOTOS_PRINT_PREVIEW (object)->priv;
gboolean paper_size_changed = FALSE;
switch (prop_id) {
case PROP_PIXBUF:
if (priv->pixbuf) {
g_object_unref (priv->pixbuf);
}
priv->pixbuf = GDK_PIXBUF (g_value_dup_object (value));
if (priv->pixbuf_scaled) {
g_object_unref (priv->pixbuf_scaled);
priv->pixbuf_scaled = NULL;
}
priv->flag_create_surface = TRUE;
break;
case PROP_PIXBUF_X_ALIGN:
priv->pixbuf_x_align = g_value_get_float (value);
break;
case PROP_PIXBUF_Y_ALIGN:
priv->pixbuf_y_align = g_value_get_float (value);
break;
case PROP_PIXBUF_SCALE:
priv->i_scale = g_value_get_float (value);
priv->flag_create_surface = TRUE;
break;
case PROP_PAPER_WIDTH:
priv->p_width = g_value_get_float (value);
paper_size_changed = TRUE;
break;
case PROP_PAPER_HEIGHT:
priv->p_height = g_value_get_float (value);
paper_size_changed = TRUE;
break;
case PROP_PAGE_LEFT_MARGIN:
priv->l_margin = g_value_get_float (value);
break;
case PROP_PAGE_RIGHT_MARGIN:
priv->r_margin = g_value_get_float (value);
break;
case PROP_PAGE_TOP_MARGIN:
priv->t_margin = g_value_get_float (value);
break;
case PROP_PAGE_BOTTOM_MARGIN:
priv->b_margin = g_value_get_float (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
if (paper_size_changed) {
g_object_set (object,
"ratio", priv->p_width/priv->p_height,
NULL);
}
update_relative_sizes (PHOTOS_PRINT_PREVIEW (object));
gtk_widget_queue_draw (priv->area);
}
