Esempio n. 1
0
/**
 * gimp_text_layer_new:
 * @image: the #GimpImage the layer should belong to
 * @text: a #GimpText object
 *
 * Creates a new text layer.
 *
 * Return value: a new #GimpTextLayer or %NULL in case of a problem
 **/
GimpLayer *
gimp_text_layer_new (GimpImage *image,
                     GimpText  *text)
{
  GimpTextLayer *layer;

  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
  g_return_val_if_fail (GIMP_IS_TEXT (text), NULL);

  if (! text->text && ! text->markup)
    return NULL;

  layer =
    GIMP_TEXT_LAYER (gimp_drawable_new (GIMP_TYPE_TEXT_LAYER,
                                        image, NULL,
                                        0, 0, 1, 1,
                                        gimp_image_get_layer_format (image,
                                                                     TRUE)));

  gimp_text_layer_set_text (layer, text);

  if (! gimp_text_layer_render (layer))
    {
      g_object_unref (layer);
      return NULL;
    }

  return GIMP_LAYER (layer);
}
Esempio n. 2
0
static GimpItem *
gimp_text_layer_duplicate (GimpItem *item,
                           GType     new_type)
{
  GimpItem *new_item;

  g_return_val_if_fail (g_type_is_a (new_type, GIMP_TYPE_DRAWABLE), NULL);

  new_item = GIMP_ITEM_CLASS (parent_class)->duplicate (item, new_type);

  if (GIMP_IS_TEXT_LAYER (new_item))
    {
      GimpTextLayer *layer     = GIMP_TEXT_LAYER (item);
      GimpTextLayer *new_layer = GIMP_TEXT_LAYER (new_item);

      gimp_config_sync (G_OBJECT (layer), G_OBJECT (new_layer), 0);

      if (layer->text)
        {
          GimpText *text = gimp_config_duplicate (GIMP_CONFIG (layer->text));

          gimp_text_layer_set_text (new_layer, text);

          g_object_unref (text);
        }

      /*  this is just the parasite name, not a pointer to the parasite  */
      if (layer->text_parasite)
        new_layer->text_parasite = layer->text_parasite;
    }

  return new_item;
}
Esempio n. 3
0
static void
gimp_text_layer_set_property (GObject      *object,
                              guint         property_id,
                              const GValue *value,
                              GParamSpec   *pspec)
{
  GimpTextLayer *text_layer = GIMP_TEXT_LAYER (object);

  switch (property_id)
    {
    case PROP_TEXT:
      gimp_text_layer_set_text (text_layer, g_value_get_object (value));
      break;
    case PROP_AUTO_RENAME:
      text_layer->auto_rename = g_value_get_boolean (value);
      break;
    case PROP_MODIFIED:
      text_layer->modified = g_value_get_boolean (value);
      break;

    default:
      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
      break;
    }
}
Esempio n. 4
0
/**
 * gimp_text_layer_new:
 * @image: the #GimpImage the layer should belong to
 * @text: a #GimpText object
 *
 * Creates a new text layer.
 *
 * Return value: a new #GimpTextLayer or %NULL in case of a problem
 **/
GimpLayer *
gimp_text_layer_new (GimpImage *image,
                     GimpText  *text)
{
  GimpTextLayer *layer;
  GimpImageType  type;

  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
  g_return_val_if_fail (GIMP_IS_TEXT (text), NULL);

  if (! text->text && ! text->markup)
    return NULL;

  type = gimp_image_base_type_with_alpha (image);

  layer = GIMP_TEXT_LAYER (gimp_drawable_new (GIMP_TYPE_TEXT_LAYER,
                                              image, NULL,
                                              0, 0, 1, 1,
                                              type));

  gimp_text_layer_set_text (layer, text);

  if (! gimp_text_layer_render (layer))
    {
      g_object_unref (layer);
      return NULL;
    }

  return GIMP_LAYER (layer);
}
Esempio n. 5
0
/**
 * gimp_text_layer_discard:
 * @layer: a #GimpTextLayer
 *
 * Discards the text information. This makes @layer behave like a
 * normal layer.
 */
void
gimp_text_layer_discard (GimpTextLayer *layer)
{
  g_return_if_fail (GIMP_IS_TEXT_LAYER (layer));
  g_return_if_fail (gimp_item_is_attached (GIMP_ITEM (layer)));

  if (! layer->text)
    return;

  gimp_image_undo_push_text_layer (gimp_item_get_image (GIMP_ITEM (layer)),
                                   _("Discard Text Information"),
                                   layer, NULL);

  gimp_text_layer_set_text (layer, NULL);
}
Esempio n. 6
0
/**
 * gimp_text_layer_from_layer:
 * @layer: a #GimpLayer object
 * @text: a #GimpText object
 *
 * Converts a standard #GimpLayer and a #GimpText object into a
 * #GimpTextLayer. The new text layer takes ownership of the @text and
 * @layer objects.  The @layer object is rendered unusable by this
 * function. Don't even try to use if afterwards!
 *
 * This is a gross hack that is needed in order to load text layers
 * from XCF files in a backwards-compatible way. Please don't use it
 * for anything else!
 *
 * Return value: a newly allocated #GimpTextLayer object
 **/
static GimpLayer *
gimp_text_layer_from_layer (GimpLayer *layer,
                            GimpText  *text)
{
  GimpTextLayer *text_layer;
  GimpDrawable  *drawable;

  g_return_val_if_fail (GIMP_IS_LAYER (layer), NULL);
  g_return_val_if_fail (GIMP_IS_TEXT (text), NULL);

  text_layer = g_object_new (GIMP_TYPE_TEXT_LAYER,
                             "image", gimp_item_get_image (GIMP_ITEM (layer)),
                             NULL);

  gimp_item_replace_item (GIMP_ITEM (text_layer), GIMP_ITEM (layer));

  drawable = GIMP_DRAWABLE (text_layer);

  gimp_drawable_steal_buffer (drawable, GIMP_DRAWABLE (layer));

  gimp_layer_set_opacity         (GIMP_LAYER (text_layer),
                                  gimp_layer_get_opacity (layer), FALSE);
  gimp_layer_set_mode            (GIMP_LAYER (text_layer),
                                  gimp_layer_get_mode (layer), FALSE);
  gimp_layer_set_blend_space     (GIMP_LAYER (text_layer),
                                  gimp_layer_get_blend_space (layer), FALSE);
  gimp_layer_set_composite_space (GIMP_LAYER (text_layer),
                                  gimp_layer_get_composite_space (layer), FALSE);
  gimp_layer_set_composite_mode  (GIMP_LAYER (text_layer),
                                  gimp_layer_get_composite_mode (layer), FALSE);
  gimp_layer_set_lock_alpha      (GIMP_LAYER (text_layer),
                                  gimp_layer_get_lock_alpha (layer), FALSE);

  gimp_text_layer_set_text (text_layer, text);

  g_object_unref (text);
  g_object_unref (layer);

  return GIMP_LAYER (text_layer);
}
Esempio n. 7
0
static void
gimp_text_undo_pop (GimpUndo            *undo,
                    GimpUndoMode         undo_mode,
                    GimpUndoAccumulator *accum)
{
  GimpTextUndo  *text_undo = GIMP_TEXT_UNDO (undo);
  GimpTextLayer *layer     = GIMP_TEXT_LAYER (GIMP_ITEM_UNDO (undo)->item);

  GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);

  switch (undo->undo_type)
    {
    case GIMP_UNDO_TEXT_LAYER:
      if (text_undo->pspec)
        {
          GValue *value;

          g_return_if_fail (layer->text != NULL);

          value = g_slice_new0 (GValue);
          g_value_init (value, text_undo->pspec->value_type);

          g_object_get_property (G_OBJECT (layer->text),
                                 text_undo->pspec->name, value);

          g_object_set_property (G_OBJECT (layer->text),
                                 text_undo->pspec->name, text_undo->value);

          g_value_unset (text_undo->value);
          g_slice_free (GValue, text_undo->value);

          text_undo->value = value;
        }
      else
        {
          GimpText *text;

          text = (layer->text ?
                  gimp_config_duplicate (GIMP_CONFIG (layer->text)) : NULL);

          if (layer->text && text_undo->text)
            gimp_config_sync (G_OBJECT (text_undo->text),
                              G_OBJECT (layer->text), 0);
          else
            gimp_text_layer_set_text (layer, text_undo->text);

          if (text_undo->text)
            g_object_unref (text_undo->text);

          text_undo->text = text;
        }
      break;

    case GIMP_UNDO_TEXT_LAYER_MODIFIED:
      {
        gboolean modified;

#if 0
        g_print ("setting layer->modified from %s to %s\n",
                 layer->modified ? "TRUE" : "FALSE",
                 text_undo->modified ? "TRUE" : "FALSE");
#endif

        modified = layer->modified;
        g_object_set (layer, "modified", text_undo->modified, NULL);
        text_undo->modified = modified;

        gimp_viewable_invalidate_preview (GIMP_VIEWABLE (layer));
      }
      break;

    case GIMP_UNDO_TEXT_LAYER_CONVERT:
      {
        const Babl *format;

        format = gimp_drawable_get_format (GIMP_DRAWABLE (layer));
        gimp_drawable_convert_type (GIMP_DRAWABLE (layer),
                                    gimp_item_get_image (GIMP_ITEM (layer)),
                                    gimp_babl_format_get_base_type (text_undo->format),
                                    gimp_babl_format_get_precision (text_undo->format),
                                    0, 0, FALSE);
        text_undo->format = format;
      }
      break;

    default:
      g_assert_not_reached ();
    }
}