C++ (Cpp) nova_center_coords_updateの例

コード例 #1

ファイル: nova.c プロジェクト: AjayRamanathan/gimp

static void
nova_center_update (GtkWidget  *widget,
                    NovaCenter *center,
                    gint        x,
                    gint        y)
{
  gint tx, ty;


  GimpPreviewArea *area = GIMP_PREVIEW_AREA (center->preview->area);
  GtkAllocation    allocation;

  gtk_widget_get_allocation (GTK_WIDGET (area), &allocation);

  x -= (allocation.width  - area->width)  / 2;
  y -= (allocation.height - area->height) / 2;

  gimp_preview_untransform (center->preview, x, y, &tx, &ty);

  g_signal_handlers_block_by_func (center->coords,
                                   nova_center_coords_update,
                                   center);

  gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (center->coords), 0, tx);
  gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (center->coords), 1, ty);

  g_signal_handlers_unblock_by_func (center->coords,
                                     nova_center_coords_update,
                                     center);

  nova_center_coords_update (GIMP_SIZE_ENTRY (center->coords), center);

  gtk_widget_queue_draw (center->preview->area);
}

コード例 #2

ファイル: nova.c プロジェクト: Amerekanets/gimp

static gboolean
nova_center_update (GtkWidget  *widget,
                    NovaCenter *center,
                    gint        x,
                    gint        y)
{
  gint tx, ty;

  gimp_preview_untransform (center->preview, x, y, &tx, &ty);

  nova_center_cursor_draw (center);

  g_signal_handlers_block_by_func (center->coords,
                                   nova_center_coords_update,
                                   center);

  gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (center->coords), 0, tx);
  gimp_size_entry_set_refval (GIMP_SIZE_ENTRY (center->coords), 1, ty);

  g_signal_handlers_unblock_by_func (center->coords,
                                     nova_center_coords_update,
                                     center);

  nova_center_coords_update (GIMP_SIZE_ENTRY (center->coords), center);

  return TRUE;
}