GimpLayer *
gimp_image_merge_group_layer (GimpImage *image,
GimpGroupLayer *group)
{
GimpLayer *parent;
GimpLayer *layer;
gint index;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_GROUP_LAYER (group), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (group)), NULL);
g_return_val_if_fail (gimp_item_get_image (GIMP_ITEM (group)) == image, NULL);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
C_("undo-type", "Merge Layer Group"));
parent = gimp_layer_get_parent (GIMP_LAYER (group));
index = gimp_item_get_index (GIMP_ITEM (group));
layer = GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (group),
GIMP_TYPE_LAYER));
gimp_object_set_name (GIMP_OBJECT (layer), gimp_object_get_name (group));
gimp_image_remove_layer (image, GIMP_LAYER (group), TRUE, NULL);
gimp_image_add_layer (image, layer, parent, index, TRUE);
gimp_image_undo_group_end (image);
return layer;
}
GimpLayer *
gimp_layer_new (GimpImage *image,
gint width,
gint height,
const Babl *format,
const gchar *name,
gdouble opacity,
GimpLayerModeEffects mode)
{
GimpLayer *layer;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (width > 0, NULL);
g_return_val_if_fail (height > 0, NULL);
g_return_val_if_fail (format != NULL, NULL);
layer = GIMP_LAYER (gimp_drawable_new (GIMP_TYPE_LAYER,
image, name,
0, 0, width, height,
format));
opacity = CLAMP (opacity, GIMP_OPACITY_TRANSPARENT, GIMP_OPACITY_OPAQUE);
layer->opacity = opacity;
layer->mode = mode;
return layer;
}
static void
gimp_layer_prop_undo_constructed (GObject *object)
{
GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (object);
GimpLayer *layer;
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (GIMP_IS_LAYER (GIMP_ITEM_UNDO (object)->item));
layer = GIMP_LAYER (GIMP_ITEM_UNDO (object)->item);
switch (GIMP_UNDO (object)->undo_type)
{
case GIMP_UNDO_LAYER_MODE:
layer_prop_undo->mode = gimp_layer_get_mode (layer);
break;
case GIMP_UNDO_LAYER_OPACITY:
layer_prop_undo->opacity = gimp_layer_get_opacity (layer);
break;
case GIMP_UNDO_LAYER_LOCK_ALPHA:
layer_prop_undo->lock_alpha = gimp_layer_get_lock_alpha (layer);
break;
default:
g_assert_not_reached ();
}
}
static void
gimp_layer_mask_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpLayerMaskUndo *layer_mask_undo = GIMP_LAYER_MASK_UNDO (undo);
GimpLayer *layer = GIMP_LAYER (GIMP_ITEM_UNDO (undo)->item);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
if ((undo_mode == GIMP_UNDO_MODE_UNDO &&
undo->undo_type == GIMP_UNDO_LAYER_MASK_ADD) ||
(undo_mode == GIMP_UNDO_MODE_REDO &&
undo->undo_type == GIMP_UNDO_LAYER_MASK_REMOVE))
{
/* remove layer mask */
gimp_layer_apply_mask (layer, GIMP_MASK_DISCARD, FALSE);
}
else
{
/* restore layer mask */
gimp_layer_add_mask (layer, layer_mask_undo->layer_mask, FALSE, NULL);
}
}
/**
* 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);
}
void
floating_sel_activate_drawable (GimpLayer *layer)
{
GimpImage *image;
GimpDrawable *drawable;
g_return_if_fail (GIMP_IS_LAYER (layer));
g_return_if_fail (gimp_layer_is_floating_sel (layer));
image = gimp_item_get_image (GIMP_ITEM (layer));
drawable = gimp_layer_get_floating_sel_drawable (layer);
/* set the underlying drawable to active */
if (GIMP_IS_LAYER_MASK (drawable))
{
GimpLayerMask *mask = GIMP_LAYER_MASK (drawable);
gimp_image_set_active_layer (image, gimp_layer_mask_get_layer (mask));
}
else if (GIMP_IS_CHANNEL (drawable))
{
gimp_image_set_active_channel (image, GIMP_CHANNEL (drawable));
}
else
{
gimp_image_set_active_layer (image, GIMP_LAYER (drawable));
}
}
/**
* 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);
}
static void
gimp_layer_mask_prop_undo_constructed (GObject *object)
{
GimpLayerMaskPropUndo *layer_mask_prop_undo;
GimpLayer *layer;
layer_mask_prop_undo = GIMP_LAYER_MASK_PROP_UNDO (object);
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (GIMP_IS_LAYER (GIMP_ITEM_UNDO (object)->item));
layer = GIMP_LAYER (GIMP_ITEM_UNDO (object)->item);
switch (GIMP_UNDO (object)->undo_type)
{
case GIMP_UNDO_LAYER_MASK_APPLY:
layer_mask_prop_undo->apply = gimp_layer_get_apply_mask (layer);
break;
case GIMP_UNDO_LAYER_MASK_SHOW:
layer_mask_prop_undo->show = gimp_layer_get_show_mask (layer);
break;
default:
g_assert_not_reached ();
}
}
static void
gimp_view_renderer_layer_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
const gchar *icon_name = NULL;
if (gimp_layer_is_floating_sel (GIMP_LAYER (renderer->viewable)))
{
icon_name = GIMP_STOCK_FLOATING_SELECTION;
}
else if (gimp_item_is_text_layer (GIMP_ITEM (renderer->viewable)))
{
icon_name = gimp_viewable_get_icon_name (renderer->viewable);
}
else
{
GimpContainer *children = gimp_viewable_get_children (renderer->viewable);
if (children && gimp_container_get_n_children (children) == 0)
icon_name = "folder";
}
if (icon_name)
gimp_view_renderer_render_icon (renderer, widget, icon_name);
else
GIMP_VIEW_RENDERER_CLASS (parent_class)->render (renderer, widget);
}
void
gimp_text_layer_rotate (GimpItem *item,
GimpContext *context,
GimpRotationType rotate_type,
gdouble center_x,
gdouble center_y,
gboolean clip_result)
{
GimpTextLayer *layer = GIMP_TEXT_LAYER (item);
if (! gimp_text_layer_transform_rotate (layer,
rotate_type, center_x, center_y))
{
GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (layer));
if (mask)
gimp_item_rotate (GIMP_ITEM (mask), context,
rotate_type, center_x, center_y, clip_result);
}
else
{
gimp_text_layer_parent_class ()->rotate (item, context,
rotate_type, center_x, center_y,
clip_result);
}
}
static void
gimp_display_shell_drop_component (GtkWidget *widget,
gint x,
gint y,
GimpImage *image,
GimpChannelType component,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *dest_image = gimp_display_get_image (shell->display);
GimpChannel *channel;
GimpItem *new_item;
const gchar *desc;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! dest_image)
{
dest_image = gimp_image_new_from_component (image->gimp,
image, component);
gimp_create_display (dest_image->gimp, dest_image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (dest_image);
return;
}
channel = gimp_channel_new_from_component (image, component, NULL, NULL);
new_item = gimp_item_convert (GIMP_ITEM (channel),
dest_image, GIMP_TYPE_LAYER);
g_object_unref (channel);
if (new_item)
{
GimpLayer *new_layer = GIMP_LAYER (new_item);
gimp_enum_get_value (GIMP_TYPE_CHANNEL_TYPE, component,
NULL, NULL, &desc, NULL);
gimp_object_take_name (GIMP_OBJECT (new_layer),
g_strdup_printf (_("%s Channel Copy"), desc));
gimp_image_undo_group_start (dest_image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
gimp_display_shell_dnd_position_item (shell, image, new_item);
gimp_image_add_layer (dest_image, new_layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (dest_image);
gimp_display_shell_dnd_flush (shell, dest_image);
}
}
static void
gimp_layer_prop_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpLayerPropUndo *layer_prop_undo = GIMP_LAYER_PROP_UNDO (undo);
GimpLayer *layer = GIMP_LAYER (GIMP_ITEM_UNDO (undo)->item);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
switch (undo->undo_type)
{
case GIMP_UNDO_LAYER_REPOSITION:
{
gint position;
position = gimp_image_get_layer_index (undo->image, layer);
gimp_image_position_layer (undo->image, layer,
layer_prop_undo->position,
FALSE, NULL);
layer_prop_undo->position = position;
}
break;
case GIMP_UNDO_LAYER_MODE:
{
GimpLayerModeEffects mode;
mode = gimp_layer_get_mode (layer);
gimp_layer_set_mode (layer, layer_prop_undo->mode, FALSE);
layer_prop_undo->mode = mode;
}
break;
case GIMP_UNDO_LAYER_OPACITY:
{
gdouble opacity;
opacity = gimp_layer_get_opacity (layer);
gimp_layer_set_opacity (layer, layer_prop_undo->opacity, FALSE);
layer_prop_undo->opacity = opacity;
}
break;
case GIMP_UNDO_LAYER_LOCK_ALPHA:
{
gboolean lock_alpha;
lock_alpha = gimp_layer_get_lock_alpha (layer);
gimp_layer_set_lock_alpha (layer, layer_prop_undo->lock_alpha, FALSE);
layer_prop_undo->lock_alpha = lock_alpha;
}
break;
default:
g_assert_not_reached ();
}
}
static void
gimp_display_shell_drop_drawable (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = gimp_display_get_image (shell->display);
GType new_type;
GimpItem *new_item;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
{
image = gimp_image_new_from_drawable (shell->display->gimp,
GIMP_DRAWABLE (viewable));
gimp_create_display (shell->display->gimp, image, GIMP_UNIT_PIXEL, 1.0,
G_OBJECT (gtk_widget_get_screen (widget)),
gimp_widget_get_monitor (widget));
g_object_unref (image);
return;
}
if (GIMP_IS_LAYER (viewable))
new_type = G_TYPE_FROM_INSTANCE (viewable);
else
new_type = GIMP_TYPE_LAYER;
new_item = gimp_item_convert (GIMP_ITEM (viewable), image, new_type);
if (new_item)
{
GimpLayer *new_layer = GIMP_LAYER (new_item);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
gimp_display_shell_dnd_position_item (shell, image, new_item);
gimp_item_set_visible (new_item, TRUE, FALSE);
gimp_item_set_linked (new_item, FALSE, FALSE);
gimp_image_add_layer (image, new_layer,
GIMP_IMAGE_ACTIVE_PARENT, -1, TRUE);
gimp_image_undo_group_end (image);
gimp_display_shell_dnd_flush (shell, image);
}
}
GimpObject *
gimp_edit_cut (GimpImage *image,
GimpDrawable *drawable,
GimpContext *context,
GError **error)
{
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
if (GIMP_IS_LAYER (drawable) &&
gimp_channel_is_empty (gimp_image_get_mask (image)))
{
GimpImage *clip_image;
clip_image = gimp_image_new_from_drawable (image->gimp, drawable);
gimp_container_remove (image->gimp->images, GIMP_OBJECT (clip_image));
gimp_set_clipboard_image (image->gimp, clip_image);
g_object_unref (clip_image);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_CUT,
C_("undo-type", "Cut Layer"));
gimp_image_remove_layer (image, GIMP_LAYER (drawable),
TRUE, NULL);
gimp_image_undo_group_end (image);
return GIMP_OBJECT (gimp_get_clipboard_image (image->gimp));
}
else
{
GimpBuffer *buffer;
buffer = gimp_edit_extract (image, GIMP_PICKABLE (drawable),
context, TRUE, error);
if (buffer)
{
gimp_set_clipboard_buffer (image->gimp, buffer);
g_object_unref (buffer);
return GIMP_OBJECT (gimp_get_clipboard_buffer (image->gimp));
}
}
return NULL;
}
static gint64
gimp_layer_mask_undo_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpLayerMaskUndo *layer_mask_undo = GIMP_LAYER_MASK_UNDO (object);
GimpLayer *layer = GIMP_LAYER (GIMP_ITEM_UNDO (object)->item);
gint64 memsize = 0;
/* don't use !gimp_item_is_attached() here */
if (gimp_layer_get_mask (layer) != layer_mask_undo->layer_mask)
memsize += gimp_object_get_memsize (GIMP_OBJECT (layer_mask_undo->layer_mask),
gui_size);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static void
gimp_floating_sel_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpFloatingSelUndo *floating_sel_undo = GIMP_FLOATING_SEL_UNDO (undo);
GimpLayer *floating_layer = GIMP_LAYER (GIMP_ITEM_UNDO (undo)->item);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
switch (undo->undo_type)
{
case GIMP_UNDO_FS_TO_LAYER:
if (undo_mode == GIMP_UNDO_MODE_UNDO)
{
/* Update the preview for the floating sel */
gimp_viewable_invalidate_preview (GIMP_VIEWABLE (floating_layer));
gimp_layer_set_floating_sel_drawable (floating_layer,
floating_sel_undo->drawable);
gimp_image_set_active_layer (undo->image, floating_layer);
gimp_drawable_attach_floating_sel (gimp_layer_get_floating_sel_drawable (floating_layer),
floating_layer);
}
else
{
gimp_drawable_detach_floating_sel (gimp_layer_get_floating_sel_drawable (floating_layer));
gimp_layer_set_floating_sel_drawable (floating_layer, NULL);
}
/* When the floating selection is converted to/from a normal
* layer it does something resembling a name change, so emit the
* "name-changed" signal
*/
gimp_object_name_changed (GIMP_OBJECT (floating_layer));
gimp_drawable_update (GIMP_DRAWABLE (floating_layer),
0, 0,
gimp_item_get_width (GIMP_ITEM (floating_layer)),
gimp_item_get_height (GIMP_ITEM (floating_layer)));
break;
default:
g_assert_not_reached ();
}
}
static GObject *
gimp_layer_prop_undo_constructor (GType type,
guint n_params,
GObjectConstructParam *params)
{
GObject *object;
GimpLayerPropUndo *layer_prop_undo;
GimpImage *image;
GimpLayer *layer;
object = G_OBJECT_CLASS (parent_class)->constructor (type, n_params, params);
layer_prop_undo = GIMP_LAYER_PROP_UNDO (object);
g_assert (GIMP_IS_LAYER (GIMP_ITEM_UNDO (object)->item));
image = GIMP_UNDO (object)->image;
layer = GIMP_LAYER (GIMP_ITEM_UNDO (object)->item);
switch (GIMP_UNDO (object)->undo_type)
{
case GIMP_UNDO_LAYER_REPOSITION:
layer_prop_undo->position = gimp_image_get_layer_index (image, layer);
break;
case GIMP_UNDO_LAYER_MODE:
layer_prop_undo->mode = gimp_layer_get_mode (layer);
break;
case GIMP_UNDO_LAYER_OPACITY:
layer_prop_undo->opacity = gimp_layer_get_opacity (layer);
break;
case GIMP_UNDO_LAYER_LOCK_ALPHA:
layer_prop_undo->lock_alpha = gimp_layer_get_lock_alpha (layer);
break;
default:
g_assert_not_reached ();
}
return object;
}
static void
gimp_view_renderer_layer_render (GimpViewRenderer *renderer,
GtkWidget *widget)
{
const gchar *stock_id = NULL;
if (gimp_layer_is_floating_sel (GIMP_LAYER (renderer->viewable)))
{
stock_id = GIMP_STOCK_FLOATING_SELECTION;
}
else if (gimp_drawable_is_text_layer (GIMP_DRAWABLE (renderer->viewable)))
{
stock_id = gimp_viewable_get_stock_id (renderer->viewable);
}
if (stock_id)
gimp_view_renderer_default_render_stock (renderer, widget, stock_id);
else
GIMP_VIEW_RENDERER_CLASS (parent_class)->render (renderer, widget);
}
static void
gimp_floating_sel_undo_constructed (GObject *object)
{
GimpFloatingSelUndo *floating_sel_undo = GIMP_FLOATING_SEL_UNDO (object);
GimpLayer *layer;
G_OBJECT_CLASS (parent_class)->constructed (object);
g_assert (GIMP_IS_LAYER (GIMP_ITEM_UNDO (object)->item));
layer = GIMP_LAYER (GIMP_ITEM_UNDO (object)->item);
switch (GIMP_UNDO (object)->undo_type)
{
case GIMP_UNDO_FS_TO_LAYER:
floating_sel_undo->drawable = gimp_layer_get_floating_sel_drawable (layer);
break;
default:
g_assert_not_reached ();
}
}
void
gimp_text_layer_flip (GimpItem *item,
GimpContext *context,
GimpOrientationType flip_type,
gdouble axis,
gboolean clip_result)
{
GimpTextLayer *layer = GIMP_TEXT_LAYER (item);
if (gimp_text_layer_transform_flip (layer, flip_type, axis))
{
GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (layer));
if (mask)
gimp_item_flip (GIMP_ITEM (mask), context,
flip_type, axis, clip_result);
}
else
{
gimp_text_layer_parent_class ()->flip (item, context,
flip_type, axis, clip_result);
}
}
/**
* 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);
}
static GimpLayer *
gimp_image_duplicate_layers (GimpImage *image,
GimpImage *new_image)
{
GimpLayer *active_layer = NULL;
GList *list;
gint count;
for (list = gimp_image_get_layer_iter (image), count = 0;
list;
list = g_list_next (list))
{
GimpLayer *layer = list->data;
GimpLayer *new_layer;
if (gimp_layer_is_floating_sel (layer))
continue;
new_layer = GIMP_LAYER (gimp_image_duplicate_item (GIMP_ITEM (layer),
new_image));
/* Make sure that if the layer has a layer mask,
* its name isn't screwed up
*/
if (new_layer->mask)
gimp_object_set_name (GIMP_OBJECT (new_layer->mask),
gimp_object_get_name (layer->mask));
if (gimp_image_get_active_layer (image) == layer)
active_layer = new_layer;
gimp_image_add_layer (new_image, new_layer,
NULL, count++, FALSE);
}
return active_layer;
}
static void
gimp_layer_mask_prop_undo_pop (GimpUndo *undo,
GimpUndoMode undo_mode,
GimpUndoAccumulator *accum)
{
GimpLayerMaskPropUndo *layer_mask_prop_undo = GIMP_LAYER_MASK_PROP_UNDO (undo);
GimpLayer *layer = GIMP_LAYER (GIMP_ITEM_UNDO (undo)->item);
GIMP_UNDO_CLASS (parent_class)->pop (undo, undo_mode, accum);
switch (undo->undo_type)
{
case GIMP_UNDO_LAYER_MASK_APPLY:
{
gboolean apply;
apply = gimp_layer_get_apply_mask (layer);
gimp_layer_set_apply_mask (layer, layer_mask_prop_undo->apply, FALSE);
layer_mask_prop_undo->apply = apply;
}
break;
case GIMP_UNDO_LAYER_MASK_SHOW:
{
gboolean show;
show = gimp_layer_get_show_mask (layer);
gimp_layer_set_show_mask (layer, layer_mask_prop_undo->show, FALSE);
layer_mask_prop_undo->show = show;
}
break;
default:
g_assert_not_reached ();
}
}
static void
gimp_image_duplicate_floating_sel (GimpImage *image,
GimpImage *new_image)
{
GimpLayer *floating_sel;
GimpDrawable *floating_sel_drawable;
GList *floating_sel_path;
GimpItemStack *new_item_stack;
GimpLayer *new_floating_sel;
GimpDrawable *new_floating_sel_drawable;
floating_sel = gimp_image_get_floating_selection (image);
if (! floating_sel)
return;
floating_sel_drawable = gimp_layer_get_floating_sel_drawable (floating_sel);
if (GIMP_IS_LAYER_MASK (floating_sel_drawable))
{
GimpLayer *layer;
layer = gimp_layer_mask_get_layer (GIMP_LAYER_MASK (floating_sel_drawable));
floating_sel_path = gimp_item_get_path (GIMP_ITEM (layer));
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
}
else
{
floating_sel_path = gimp_item_get_path (GIMP_ITEM (floating_sel_drawable));
if (GIMP_IS_LAYER (floating_sel_drawable))
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_layers (new_image));
else
new_item_stack = GIMP_ITEM_STACK (gimp_image_get_channels (new_image));
}
/* adjust path[0] for the floating layer missing in new_image */
floating_sel_path->data =
GUINT_TO_POINTER (GPOINTER_TO_UINT (floating_sel_path->data) - 1);
if (GIMP_IS_LAYER (floating_sel_drawable))
{
new_floating_sel =
GIMP_LAYER (gimp_image_duplicate_item (GIMP_ITEM (floating_sel),
new_image));
}
else
{
/* can't use gimp_item_convert() for floating selections of channels
* or layer masks because they maybe don't have a normal layer's type
*/
new_floating_sel =
GIMP_LAYER (gimp_item_duplicate (GIMP_ITEM (floating_sel),
G_TYPE_FROM_INSTANCE (floating_sel)));
gimp_item_set_image (GIMP_ITEM (new_floating_sel), new_image);
gimp_object_set_name (GIMP_OBJECT (new_floating_sel),
gimp_object_get_name (floating_sel));
}
/* Make sure the copied layer doesn't say: "<old layer> copy" */
gimp_object_set_name (GIMP_OBJECT (new_floating_sel),
gimp_object_get_name (floating_sel));
new_floating_sel_drawable =
GIMP_DRAWABLE (gimp_item_stack_get_item_by_path (new_item_stack,
floating_sel_path));
if (GIMP_IS_LAYER_MASK (floating_sel_drawable))
new_floating_sel_drawable =
GIMP_DRAWABLE (gimp_layer_get_mask (GIMP_LAYER (new_floating_sel_drawable)));
floating_sel_attach (new_floating_sel, new_floating_sel_drawable);
g_list_free (floating_sel_path);
}
static void
gimp_display_shell_drop_drawable (GtkWidget *widget,
gint x,
gint y,
GimpViewable *viewable,
gpointer data)
{
GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data);
GimpImage *image = shell->display->image;
GType new_type;
GimpItem *new_item;
gboolean new_image = FALSE;
GIMP_LOG (DND, NULL);
if (shell->display->gimp->busy)
return;
if (! image)
{
GimpImage *src_image = gimp_item_get_image (GIMP_ITEM (viewable));
GimpDrawable *drawable = GIMP_DRAWABLE (viewable);
GimpImageBaseType type;
gdouble xres;
gdouble yres;
type = GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable));
image = gimp_create_image (shell->display->gimp,
gimp_item_width (GIMP_ITEM (viewable)),
gimp_item_height (GIMP_ITEM (viewable)),
type, TRUE);
gimp_image_undo_disable (image);
if (type == GIMP_INDEXED)
gimp_image_set_colormap (image,
gimp_image_get_colormap (src_image),
gimp_image_get_colormap_size (src_image),
FALSE);
gimp_image_get_resolution (src_image, &xres, &yres);
gimp_image_set_resolution (image, xres, yres);
gimp_image_set_unit (image, gimp_image_get_unit (src_image));
gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0);
g_object_unref (image);
new_image = TRUE;
}
if (GIMP_IS_LAYER (viewable))
new_type = G_TYPE_FROM_INSTANCE (viewable);
else
new_type = GIMP_TYPE_LAYER;
new_item = gimp_item_convert (GIMP_ITEM (viewable), image, new_type);
if (new_item)
{
GimpLayer *new_layer = GIMP_LAYER (new_item);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
_("Drop New Layer"));
if (! new_image)
gimp_display_shell_dnd_position_item (shell, new_item);
gimp_item_set_visible (new_item, TRUE, FALSE);
gimp_item_set_linked (new_item, FALSE, FALSE);
gimp_image_add_layer (image, new_layer, -1);
gimp_image_undo_group_end (image);
gimp_display_shell_dnd_flush (shell, image);
}
if (new_image)
gimp_image_undo_enable (image);
}
GimpDrawable *
gimp_drawable_transform_rotate (GimpDrawable *drawable,
GimpContext *context,
GimpRotationType rotate_type,
gdouble center_x,
gdouble center_y,
gboolean clip_result)
{
GimpImage *image;
GeglBuffer *orig_buffer;
gint orig_offset_x;
gint orig_offset_y;
gboolean new_layer;
GimpDrawable *result = NULL;
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
image = gimp_item_get_image (GIMP_ITEM (drawable));
/* Start a transform undo group */
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_TRANSFORM,
C_("undo-type", "Rotate"));
/* Cut/Copy from the specified drawable */
orig_buffer = gimp_drawable_transform_cut (drawable, context,
&orig_offset_x, &orig_offset_y,
&new_layer);
if (orig_buffer)
{
GeglBuffer *new_buffer;
gint new_offset_x;
gint new_offset_y;
/* always clip unfloated buffers so they keep their size */
if (GIMP_IS_CHANNEL (drawable) &&
! babl_format_has_alpha (gegl_buffer_get_format (orig_buffer)))
clip_result = TRUE;
/* also transform the mask if we are transforming an entire layer */
if (GIMP_IS_LAYER (drawable) &&
gimp_layer_get_mask (GIMP_LAYER (drawable)) &&
gimp_channel_is_empty (gimp_image_get_mask (image)))
{
GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (drawable));
gimp_item_rotate (GIMP_ITEM (mask), context,
rotate_type,
center_x,
center_y,
clip_result);
}
/* transform the buffer */
new_buffer = gimp_drawable_transform_buffer_rotate (drawable, context,
orig_buffer,
orig_offset_x,
orig_offset_y,
rotate_type,
center_x, center_y,
clip_result,
&new_offset_x,
&new_offset_y);
/* Free the cut/copied buffer */
g_object_unref (orig_buffer);
if (new_buffer)
{
result = gimp_drawable_transform_paste (drawable, new_buffer,
new_offset_x, new_offset_y,
new_layer);
g_object_unref (new_buffer);
}
}
/* push the undo group end */
gimp_image_undo_group_end (image);
return result;
}
GimpDrawable *
gimp_drawable_transform_affine (GimpDrawable *drawable,
GimpContext *context,
const GimpMatrix3 *matrix,
GimpTransformDirection direction,
GimpInterpolationType interpolation_type,
gint recursion_level,
GimpTransformResize clip_result,
GimpProgress *progress)
{
GimpImage *image;
GeglBuffer *orig_buffer;
gint orig_offset_x;
gint orig_offset_y;
gboolean new_layer;
GimpDrawable *result = NULL;
g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
g_return_val_if_fail (matrix != NULL, NULL);
g_return_val_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress), NULL);
image = gimp_item_get_image (GIMP_ITEM (drawable));
/* Start a transform undo group */
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_TRANSFORM,
C_("undo-type", "Transform"));
/* Cut/Copy from the specified drawable */
orig_buffer = gimp_drawable_transform_cut (drawable, context,
&orig_offset_x, &orig_offset_y,
&new_layer);
if (orig_buffer)
{
GeglBuffer *new_buffer;
gint new_offset_x;
gint new_offset_y;
/* always clip unfloated buffers so they keep their size */
if (GIMP_IS_CHANNEL (drawable) &&
! babl_format_has_alpha (gegl_buffer_get_format (orig_buffer)))
clip_result = GIMP_TRANSFORM_RESIZE_CLIP;
/* also transform the mask if we are transforming an entire layer */
if (GIMP_IS_LAYER (drawable) &&
gimp_layer_get_mask (GIMP_LAYER (drawable)) &&
gimp_channel_is_empty (gimp_image_get_mask (image)))
{
GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (drawable));
gimp_item_transform (GIMP_ITEM (mask), context,
matrix,
direction,
interpolation_type,
recursion_level,
clip_result,
progress);
}
/* transform the buffer */
new_buffer = gimp_drawable_transform_buffer_affine (drawable, context,
orig_buffer,
orig_offset_x,
orig_offset_y,
matrix,
direction,
interpolation_type,
recursion_level,
clip_result,
&new_offset_x,
&new_offset_y,
progress);
/* Free the cut/copied buffer */
g_object_unref (orig_buffer);
if (new_buffer)
{
result = gimp_drawable_transform_paste (drawable, new_buffer,
new_offset_x, new_offset_y,
new_layer);
g_object_unref (new_buffer);
}
}
/* push the undo group end */
gimp_image_undo_group_end (image);
return result;
}
GimpLayer *
gimp_image_merge_visible_layers (GimpImage *image,
GimpContext *context,
GimpMergeType merge_type,
gboolean merge_active_group,
gboolean discard_invisible)
{
GimpContainer *container;
GList *list;
GSList *merge_list = NULL;
GSList *invisible_list = NULL;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (GIMP_IS_CONTEXT (context), NULL);
if (merge_active_group)
{
GimpLayer *active_layer = gimp_image_get_active_layer (image);
/* if the active layer is the floating selection, get the
* underlying drawable, but only if it is a layer
*/
if (active_layer && gimp_layer_is_floating_sel (active_layer))
{
GimpDrawable *fs_drawable;
fs_drawable = gimp_layer_get_floating_sel_drawable (active_layer);
if (GIMP_IS_LAYER (fs_drawable))
active_layer = GIMP_LAYER (fs_drawable);
}
if (active_layer)
container = gimp_item_get_container (GIMP_ITEM (active_layer));
else
container = gimp_image_get_layers (image);
}
else
{
container = gimp_image_get_layers (image);
}
for (list = gimp_item_stack_get_item_iter (GIMP_ITEM_STACK (container));
list;
list = g_list_next (list))
{
GimpLayer *layer = list->data;
if (gimp_layer_is_floating_sel (layer))
continue;
if (gimp_item_get_visible (GIMP_ITEM (layer)))
{
merge_list = g_slist_append (merge_list, layer);
}
else if (discard_invisible)
{
invisible_list = g_slist_append (invisible_list, layer);
}
}
if (merge_list)
{
GimpLayer *layer;
gimp_set_busy (image->gimp);
gimp_image_undo_group_start (image,
GIMP_UNDO_GROUP_IMAGE_LAYERS_MERGE,
C_("undo-type", "Merge Visible Layers"));
/* if there's a floating selection, anchor it */
if (gimp_image_get_floating_selection (image))
floating_sel_anchor (gimp_image_get_floating_selection (image));
layer = gimp_image_merge_layers (image,
container,
merge_list, context, merge_type);
g_slist_free (merge_list);
if (invisible_list)
{
GSList *list;
for (list = invisible_list; list; list = g_slist_next (list))
gimp_image_remove_layer (image, list->data, TRUE, NULL);
g_slist_free (invisible_list);
}
gimp_image_undo_group_end (image);
gimp_unset_busy (image->gimp);
return layer;
}
return gimp_image_get_active_layer (image);
}
static gboolean
gimp_text_layer_render (GimpTextLayer *layer)
{
GimpDrawable *drawable;
GimpItem *item;
GimpImage *image;
GimpTextLayout *layout;
gdouble xres;
gdouble yres;
gint width;
gint height;
if (! layer->text)
return FALSE;
drawable = GIMP_DRAWABLE (layer);
item = GIMP_ITEM (layer);
image = gimp_item_get_image (item);
if (gimp_container_is_empty (image->gimp->fonts))
{
gimp_message_literal (image->gimp, NULL, GIMP_MESSAGE_ERROR,
_("Due to lack of any fonts, "
"text functionality is not available."));
return FALSE;
}
gimp_image_get_resolution (image, &xres, &yres);
layout = gimp_text_layout_new (layer->text, xres, yres);
g_object_freeze_notify (G_OBJECT (drawable));
if (gimp_text_layout_get_size (layout, &width, &height) &&
(width != gimp_item_get_width (item) ||
height != gimp_item_get_height (item)))
{
GeglBuffer *new_buffer;
new_buffer = gegl_buffer_new (GEGL_RECTANGLE (0, 0, width, height),
gimp_drawable_get_format (drawable));
gimp_drawable_set_buffer (drawable, FALSE, NULL, new_buffer);
g_object_unref (new_buffer);
if (gimp_layer_get_mask (GIMP_LAYER (layer)))
{
GimpLayerMask *mask = gimp_layer_get_mask (GIMP_LAYER (layer));
static GimpContext *unused_eek = NULL;
if (! unused_eek)
unused_eek = gimp_context_new (image->gimp, "eek", NULL);
gimp_item_resize (GIMP_ITEM (mask), unused_eek, width, height, 0, 0);
}
}
if (layer->auto_rename)
{
GimpItem *item = GIMP_ITEM (layer);
gchar *name = NULL;
if (layer->text->text)
{
name = gimp_utf8_strtrim (layer->text->text, 30);
}
else if (layer->text->markup)
{
gchar *tmp = gimp_markup_extract_text (layer->text->markup);
name = gimp_utf8_strtrim (tmp, 30);
g_free (tmp);
}
if (! name)
name = g_strdup (_("Empty Text Layer"));
if (gimp_item_is_attached (item))
{
gimp_item_tree_rename_item (gimp_item_get_tree (item), item,
name, FALSE, NULL);
g_free (name);
}
else
{
gimp_object_take_name (GIMP_OBJECT (layer), name);
}
}
gimp_text_layer_render_layout (layer, layout);
g_object_unref (layout);
g_object_thaw_notify (G_OBJECT (drawable));
return (width > 0 && height > 0);
}
GimpLayer *
gimp_edit_paste (GimpImage *image,
GimpDrawable *drawable,
GimpObject *paste,
GimpPasteType paste_type,
gint viewport_x,
gint viewport_y,
gint viewport_width,
gint viewport_height)
{
GimpLayer *layer = NULL;
const Babl *floating_format;
gint offset_x;
gint offset_y;
g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), NULL);
g_return_val_if_fail (drawable == NULL ||
gimp_item_is_attached (GIMP_ITEM (drawable)), NULL);
g_return_val_if_fail (GIMP_IS_IMAGE (paste) || GIMP_IS_BUFFER (paste), NULL);
/* change paste type to NEW_LAYER for cases where we can't attach a
* floating selection
*/
if (! drawable ||
gimp_viewable_get_children (GIMP_VIEWABLE (drawable)) ||
gimp_item_is_content_locked (GIMP_ITEM (drawable)))
{
paste_type = GIMP_PASTE_TYPE_NEW_LAYER;
}
/* floating pastes always have the pasted-to drawable's format with
* alpha; if drawable == NULL, user is pasting into an empty image
*/
if (drawable)
floating_format = gimp_drawable_get_format_with_alpha (drawable);
else
floating_format = gimp_image_get_layer_format (image, TRUE);
if (GIMP_IS_IMAGE (paste))
{
GType layer_type;
layer = gimp_image_get_layer_iter (GIMP_IMAGE (paste))->data;
switch (paste_type)
{
case GIMP_PASTE_TYPE_FLOATING:
case GIMP_PASTE_TYPE_FLOATING_INTO:
/* when pasting as floating selection, force creation of a
* plain layer, so gimp_item_convert() will collapse a
* group layer
*/
layer_type = GIMP_TYPE_LAYER;
break;
case GIMP_PASTE_TYPE_NEW_LAYER:
layer_type = G_TYPE_FROM_INSTANCE (layer);
break;
default:
g_return_val_if_reached (NULL);
}
layer = GIMP_LAYER (gimp_item_convert (GIMP_ITEM (layer),
image, layer_type));
switch (paste_type)
{
case GIMP_PASTE_TYPE_FLOATING:
case GIMP_PASTE_TYPE_FLOATING_INTO:
/* when pasting as floating selection, get rid of the layer mask,
* and make sure the layer has the right format
*/
if (gimp_layer_get_mask (layer))
gimp_layer_apply_mask (layer, GIMP_MASK_DISCARD, FALSE);
if (gimp_drawable_get_format (GIMP_DRAWABLE (layer)) !=
floating_format)
{
gimp_drawable_convert_type (GIMP_DRAWABLE (layer), image,
gimp_drawable_get_base_type (drawable),
gimp_drawable_get_precision (drawable),
TRUE,
NULL,
GEGL_DITHER_NONE, GEGL_DITHER_NONE,
FALSE, NULL);
}
break;
default:
break;
}
}
else if (GIMP_IS_BUFFER (paste))
{
layer = gimp_layer_new_from_buffer (GIMP_BUFFER (paste), image,
floating_format,
_("Pasted Layer"),
GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE);
}
if (! layer)
return NULL;
gimp_edit_get_paste_offset (image, drawable, GIMP_OBJECT (layer),
viewport_x,
viewport_y,
viewport_width,
viewport_height,
&offset_x,
&offset_y);
gimp_item_set_offset (GIMP_ITEM (layer), offset_x, offset_y);
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE,
C_("undo-type", "Paste"));
switch (paste_type)
{
case GIMP_PASTE_TYPE_FLOATING:
/* if there is a selection mask clear it - this might not
* always be desired, but in general, it seems like the correct
* behavior
*/
if (! gimp_channel_is_empty (gimp_image_get_mask (image)))
gimp_channel_clear (gimp_image_get_mask (image), NULL, TRUE);
/* fall thru */
case GIMP_PASTE_TYPE_FLOATING_INTO:
floating_sel_attach (layer, drawable);
break;
case GIMP_PASTE_TYPE_NEW_LAYER:
{
GimpLayer *parent = NULL;
gint position = 0;
/* always add on top of the passed layer, where we would
* attach a floating selection
*/
if (GIMP_IS_LAYER (drawable))
{
parent = gimp_layer_get_parent (GIMP_LAYER (drawable));
position = gimp_item_get_index (GIMP_ITEM (drawable));
}
gimp_image_add_layer (image, layer, parent, position, TRUE);
}
break;
}
gimp_image_undo_group_end (image);
return layer;
}
