Adding upstream version 2.10.34.upstream/2.10.34upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1354 insertions, 0 deletions

diff --git a/libgimp/gimplayer_pdb.c b/libgimp/gimplayer_pdb.c
new file mode 100644
index 0000000..7cd2d82
--- /dev/null
+++ b/libgimp/gimplayer_pdb.c
@@ -0,0 +1,1354 @@
+/* LIBGIMP - The GIMP Library
+ * Copyright (C) 1995-2003 Peter Mattis and Spencer Kimball
+ *
+ * gimplayer_pdb.c
+ *
+ * This library is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.  If not, see
+ * <https://www.gnu.org/licenses/>.
+ */
+
+/* NOTE: This file is auto-generated by pdbgen.pl */
+
+#include "config.h"
+
+#include "gimp.h"
+
+
+/**
+ * SECTION: gimplayer
+ * @title: gimplayer
+ * @short_description: Operations on a single layer.
+ *
+ * Operations on a single layer.
+ **/
+
+
+/**
+ * _gimp_layer_new:
+ * @image_ID: The image to which to add the layer.
+ * @width: The layer width.
+ * @height: The layer height.
+ * @type: The layer type.
+ * @name: The layer name.
+ * @opacity: The layer opacity.
+ * @mode: The layer combination mode.
+ *
+ * Create a new layer.
+ *
+ * This procedure creates a new layer with the specified width, height,
+ * and type. Name, opacity, and mode are also supplied parameters. The
+ * new layer still needs to be added to the image, as this is not
+ * automatic. Add the new layer with the gimp_image_insert_layer()
+ * command. Other attributes such as layer mask modes, and offsets
+ * should be set with explicit procedure calls.
+ *
+ * Returns: The newly created layer.
+ **/
+gint32
+_gimp_layer_new (gint32         image_ID,
+                 gint           width,
+                 gint           height,
+                 GimpImageType  type,
+                 const gchar   *name,
+                 gdouble        opacity,
+                 GimpLayerMode  mode)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 layer_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-new",
+                                    &nreturn_vals,
+                                    GIMP_PDB_IMAGE, image_ID,
+                                    GIMP_PDB_INT32, width,
+                                    GIMP_PDB_INT32, height,
+                                    GIMP_PDB_INT32, type,
+                                    GIMP_PDB_STRING, name,
+                                    GIMP_PDB_FLOAT, opacity,
+                                    GIMP_PDB_INT32, mode,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    layer_ID = return_vals[1].data.d_layer;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return layer_ID;
+}
+
+/**
+ * gimp_layer_new_from_visible:
+ * @image_ID: The source image from where the content is copied.
+ * @dest_image_ID: The destination image to which to add the layer.
+ * @name: The layer name.
+ *
+ * Create a new layer from what is visible in an image.
+ *
+ * This procedure creates a new layer from what is visible in the given
+ * image. The new layer still needs to be added to the destination
+ * image, as this is not automatic. Add the new layer with the
+ * gimp_image_insert_layer() command. Other attributes such as layer
+ * mask modes, and offsets should be set with explicit procedure calls.
+ *
+ * Returns: The newly created layer.
+ *
+ * Since: 2.6
+ **/
+gint32
+gimp_layer_new_from_visible (gint32       image_ID,
+                             gint32       dest_image_ID,
+                             const gchar *name)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 layer_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-new-from-visible",
+                                    &nreturn_vals,
+                                    GIMP_PDB_IMAGE, image_ID,
+                                    GIMP_PDB_IMAGE, dest_image_ID,
+                                    GIMP_PDB_STRING, name,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    layer_ID = return_vals[1].data.d_layer;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return layer_ID;
+}
+
+/**
+ * gimp_layer_new_from_drawable:
+ * @drawable_ID: The source drawable from where the new layer is copied.
+ * @dest_image_ID: The destination image to which to add the layer.
+ *
+ * Create a new layer by copying an existing drawable.
+ *
+ * This procedure creates a new layer as a copy of the specified
+ * drawable. The new layer still needs to be added to the image, as
+ * this is not automatic. Add the new layer with the
+ * gimp_image_insert_layer() command. Other attributes such as layer
+ * mask modes, and offsets should be set with explicit procedure calls.
+ *
+ * Returns: The newly copied layer.
+ **/
+gint32
+gimp_layer_new_from_drawable (gint32 drawable_ID,
+                              gint32 dest_image_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 layer_copy_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-new-from-drawable",
+                                    &nreturn_vals,
+                                    GIMP_PDB_DRAWABLE, drawable_ID,
+                                    GIMP_PDB_IMAGE, dest_image_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    layer_copy_ID = return_vals[1].data.d_layer;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return layer_copy_ID;
+}
+
+/**
+ * gimp_layer_group_new:
+ * @image_ID: The image to which to add the layer group.
+ *
+ * Create a new layer group.
+ *
+ * This procedure creates a new layer group. Attributes such as layer
+ * mode and opacity should be set with explicit procedure calls. Add
+ * the new layer group (which is a kind of layer) with the
+ * gimp_image_insert_layer() command.
+ * Other procedures useful with layer groups:
+ * gimp_image_reorder_item(), gimp_item_get_parent(),
+ * gimp_item_get_children(), gimp_item_is_group().
+ *
+ * Returns: The newly created layer group.
+ *
+ * Since: 2.8
+ **/
+gint32
+gimp_layer_group_new (gint32 image_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 layer_group_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-group-new",
+                                    &nreturn_vals,
+                                    GIMP_PDB_IMAGE, image_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    layer_group_ID = return_vals[1].data.d_layer;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return layer_group_ID;
+}
+
+/**
+ * _gimp_layer_copy:
+ * @layer_ID: The layer to copy.
+ * @add_alpha: Add an alpha channel to the copied layer.
+ *
+ * Copy a layer.
+ *
+ * This procedure copies the specified layer and returns the copy. The
+ * newly copied layer is for use within the original layer's image. It
+ * should not be subsequently added to any other image. The copied
+ * layer can optionally have an added alpha channel. This is useful if
+ * the background layer in an image is being copied and added to the
+ * same image.
+ *
+ * Returns: The newly copied layer.
+ **/
+gint32
+_gimp_layer_copy (gint32   layer_ID,
+                  gboolean add_alpha)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 layer_copy_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-copy",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, add_alpha,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    layer_copy_ID = return_vals[1].data.d_layer;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return layer_copy_ID;
+}
+
+/**
+ * gimp_layer_add_alpha:
+ * @layer_ID: The layer.
+ *
+ * Add an alpha channel to the layer if it doesn't already have one.
+ *
+ * This procedure adds an additional component to the specified layer
+ * if it does not already possess an alpha channel. An alpha channel
+ * makes it possible to clear and erase to transparency, instead of the
+ * background color. This transforms layers of type RGB to RGBA, GRAY
+ * to GRAYA, and INDEXED to INDEXEDA.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_add_alpha (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-add-alpha",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_flatten:
+ * @layer_ID: The layer.
+ *
+ * Remove the alpha channel from the layer if it has one.
+ *
+ * This procedure removes the alpha channel from a layer, blending all
+ * (partially) transparent pixels in the layer against the background
+ * color. This transforms layers of type RGBA to RGB, GRAYA to GRAY,
+ * and INDEXEDA to INDEXED.
+ *
+ * Returns: TRUE on success.
+ *
+ * Since: 2.4
+ **/
+gboolean
+gimp_layer_flatten (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-flatten",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_scale:
+ * @layer_ID: The layer.
+ * @new_width: New layer width.
+ * @new_height: New layer height.
+ * @local_origin: Use a local origin (as opposed to the image origin).
+ *
+ * Scale the layer using the default interpolation method.
+ *
+ * This procedure scales the layer so that its new width and height are
+ * equal to the supplied parameters. The 'local-origin' parameter
+ * specifies whether to scale from the center of the layer, or from the
+ * image origin. This operation only works if the layer has been added
+ * to an image. The interpolation method used can be set with
+ * gimp_context_set_interpolation().
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_scale (gint32   layer_ID,
+                  gint     new_width,
+                  gint     new_height,
+                  gboolean local_origin)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-scale",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, new_width,
+                                    GIMP_PDB_INT32, new_height,
+                                    GIMP_PDB_INT32, local_origin,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_scale_full:
+ * @layer_ID: The layer.
+ * @new_width: New layer width.
+ * @new_height: New layer height.
+ * @local_origin: Use a local origin (as opposed to the image origin).
+ * @interpolation: Type of interpolation.
+ *
+ * Deprecated: Use gimp_layer_scale() instead.
+ *
+ * Returns: TRUE on success.
+ *
+ * Since: 2.6
+ **/
+gboolean
+gimp_layer_scale_full (gint32                layer_ID,
+                       gint                  new_width,
+                       gint                  new_height,
+                       gboolean              local_origin,
+                       GimpInterpolationType interpolation)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-scale-full",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, new_width,
+                                    GIMP_PDB_INT32, new_height,
+                                    GIMP_PDB_INT32, local_origin,
+                                    GIMP_PDB_INT32, interpolation,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_resize:
+ * @layer_ID: The layer.
+ * @new_width: New layer width.
+ * @new_height: New layer height.
+ * @offx: x offset between upper left corner of old and new layers: (old - new).
+ * @offy: y offset between upper left corner of old and new layers: (old - new).
+ *
+ * Resize the layer to the specified extents.
+ *
+ * This procedure resizes the layer so that its new width and height
+ * are equal to the supplied parameters. Offsets are also provided
+ * which describe the position of the previous layer's content. This
+ * operation only works if the layer has been added to an image.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_resize (gint32 layer_ID,
+                   gint   new_width,
+                   gint   new_height,
+                   gint   offx,
+                   gint   offy)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-resize",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, new_width,
+                                    GIMP_PDB_INT32, new_height,
+                                    GIMP_PDB_INT32, offx,
+                                    GIMP_PDB_INT32, offy,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_resize_to_image_size:
+ * @layer_ID: The layer to resize.
+ *
+ * Resize a layer to the image size.
+ *
+ * This procedure resizes the layer so that it's new width and height
+ * are equal to the width and height of its image container.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_resize_to_image_size (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-resize-to-image-size",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_translate:
+ * @layer_ID: The layer.
+ * @offx: Offset in x direction.
+ * @offy: Offset in y direction.
+ *
+ * Translate the layer by the specified offsets.
+ *
+ * This procedure translates the layer by the amounts specified in the
+ * x and y arguments. These can be negative, and are considered offsets
+ * from the current position. This command only works if the layer has
+ * been added to an image. All additional layers contained in the image
+ * which have the linked flag set to TRUE w ill also be translated by
+ * the specified offsets.
+ *
+ * Deprecated: Use gimp_item_transform_translate() instead.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_translate (gint32 layer_ID,
+                      gint   offx,
+                      gint   offy)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-translate",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, offx,
+                                    GIMP_PDB_INT32, offy,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_set_offsets:
+ * @layer_ID: The layer.
+ * @offx: Offset in x direction.
+ * @offy: Offset in y direction.
+ *
+ * Set the layer offsets.
+ *
+ * This procedure sets the offsets for the specified layer. The offsets
+ * are relative to the image origin and can be any values. This
+ * operation is valid only on layers which have been added to an image.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_offsets (gint32 layer_ID,
+                        gint   offx,
+                        gint   offy)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-offsets",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, offx,
+                                    GIMP_PDB_INT32, offy,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_create_mask:
+ * @layer_ID: The layer to which to add the mask.
+ * @mask_type: The type of mask.
+ *
+ * Create a layer mask for the specified layer.
+ *
+ * This procedure creates a layer mask for the specified layer.
+ * Layer masks serve as an additional alpha channel for a layer.
+ * Different types of masks are allowed for initialisation:
+ * - white mask (leaves the layer fully visible);
+ * - black mask (gives the layer complete transparency);
+ * - the layer's alpha channel (either a copy, or a transfer, which
+ * leaves the layer fully visible, but which may be more useful than a
+ * white mask);
+ * - the current selection;
+ * - a grayscale copy of the layer;
+ * - or a copy of the active channel.
+ *
+ * The layer mask still needs to be added to the layer. This can be
+ * done with a call to gimp_layer_add_mask().
+ *
+ * gimp_layer_create_mask() will fail if there are no active channels
+ * on the image, when called with 'ADD-CHANNEL-MASK'. It will return a
+ * black mask when called with 'ADD-ALPHA-MASK' or
+ * 'ADD-ALPHA-TRANSFER-MASK' on a layer with no alpha channels, or with
+ * 'ADD-SELECTION-MASK' when there is no selection on the image.
+ *
+ * Returns: The newly created mask.
+ **/
+gint32
+gimp_layer_create_mask (gint32          layer_ID,
+                        GimpAddMaskType mask_type)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 mask_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-create-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, mask_type,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    mask_ID = return_vals[1].data.d_layer_mask;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return mask_ID;
+}
+
+/**
+ * gimp_layer_get_mask:
+ * @layer_ID: The layer.
+ *
+ * Get the specified layer's mask if it exists.
+ *
+ * This procedure returns the specified layer's mask, or -1 if none
+ * exists.
+ *
+ * Returns: The layer mask.
+ **/
+gint32
+gimp_layer_get_mask (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 mask_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    mask_ID = return_vals[1].data.d_layer_mask;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return mask_ID;
+}
+
+/**
+ * gimp_layer_from_mask:
+ * @mask_ID: Mask for which to return the layer.
+ *
+ * Get the specified mask's layer.
+ *
+ * This procedure returns the specified mask's layer , or -1 if none
+ * exists.
+ *
+ * Returns: The mask's layer.
+ *
+ * Since: 2.2
+ **/
+gint32
+gimp_layer_from_mask (gint32 mask_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gint32 layer_ID = -1;
+
+  return_vals = gimp_run_procedure ("gimp-layer-from-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_CHANNEL, mask_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    layer_ID = return_vals[1].data.d_layer;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return layer_ID;
+}
+
+/**
+ * gimp_layer_add_mask:
+ * @layer_ID: The layer to receive the mask.
+ * @mask_ID: The mask to add to the layer.
+ *
+ * Add a layer mask to the specified layer.
+ *
+ * This procedure adds a layer mask to the specified layer. Layer masks
+ * serve as an additional alpha channel for a layer. This procedure
+ * will fail if a number of prerequisites aren't met. The layer cannot
+ * already have a layer mask. The specified mask must exist and have
+ * the same dimensions as the layer. The layer must have been created
+ * for use with the specified image and the mask must have been created
+ * with the procedure 'gimp-layer-create-mask'.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_add_mask (gint32 layer_ID,
+                     gint32 mask_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-add-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_CHANNEL, mask_ID,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_remove_mask:
+ * @layer_ID: The layer from which to remove mask.
+ * @mode: Removal mode.
+ *
+ * Remove the specified layer mask from the layer.
+ *
+ * This procedure removes the specified layer mask from the layer. If
+ * the mask doesn't exist, an error is returned.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_remove_mask (gint32            layer_ID,
+                        GimpMaskApplyMode mode)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-remove-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, mode,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_is_floating_sel:
+ * @layer_ID: The layer.
+ *
+ * Is the specified layer a floating selection?
+ *
+ * This procedure returns whether the layer is a floating selection.
+ * Floating selections are special cases of layers which are attached
+ * to a specific drawable.
+ *
+ * Returns: TRUE if the layer is a floating selection.
+ **/
+gboolean
+gimp_layer_is_floating_sel (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean is_floating_sel = FALSE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-is-floating-sel",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    is_floating_sel = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return is_floating_sel;
+}
+
+/**
+ * gimp_layer_get_lock_alpha:
+ * @layer_ID: The layer.
+ *
+ * Get the lock alpha channel setting of the specified layer.
+ *
+ * This procedure returns the specified layer's lock alpha channel
+ * setting.
+ *
+ * Returns: The layer's lock alpha channel setting.
+ **/
+gboolean
+gimp_layer_get_lock_alpha (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean lock_alpha = FALSE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-lock-alpha",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    lock_alpha = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return lock_alpha;
+}
+
+/**
+ * gimp_layer_set_lock_alpha:
+ * @layer_ID: The layer.
+ * @lock_alpha: The new layer's lock alpha channel setting.
+ *
+ * Set the lock alpha channel setting of the specified layer.
+ *
+ * This procedure sets the specified layer's lock alpha channel
+ * setting.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_lock_alpha (gint32   layer_ID,
+                           gboolean lock_alpha)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-lock-alpha",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, lock_alpha,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_apply_mask:
+ * @layer_ID: The layer.
+ *
+ * Get the apply mask setting of the specified layer.
+ *
+ * This procedure returns the specified layer's apply mask setting. If
+ * the value is TRUE, then the layer mask for this layer is currently
+ * being composited with the layer's alpha channel.
+ *
+ * Returns: The layer's apply mask setting.
+ **/
+gboolean
+gimp_layer_get_apply_mask (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean apply_mask = FALSE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-apply-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    apply_mask = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return apply_mask;
+}
+
+/**
+ * gimp_layer_set_apply_mask:
+ * @layer_ID: The layer.
+ * @apply_mask: The new layer's apply mask setting.
+ *
+ * Set the apply mask setting of the specified layer.
+ *
+ * This procedure sets the specified layer's apply mask setting. This
+ * controls whether the layer's mask is currently affecting the alpha
+ * channel. If there is no layer mask, this function will return an
+ * error.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_apply_mask (gint32   layer_ID,
+                           gboolean apply_mask)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-apply-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, apply_mask,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_show_mask:
+ * @layer_ID: The layer.
+ *
+ * Get the show mask setting of the specified layer.
+ *
+ * This procedure returns the specified layer's show mask setting. This
+ * controls whether the layer or its mask is visible. TRUE indicates
+ * that the mask should be visible. If the layer has no mask, then this
+ * function returns an error.
+ *
+ * Returns: The layer's show mask setting.
+ **/
+gboolean
+gimp_layer_get_show_mask (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean show_mask = FALSE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-show-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    show_mask = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return show_mask;
+}
+
+/**
+ * gimp_layer_set_show_mask:
+ * @layer_ID: The layer.
+ * @show_mask: The new layer's show mask setting.
+ *
+ * Set the show mask setting of the specified layer.
+ *
+ * This procedure sets the specified layer's show mask setting. This
+ * controls whether the layer or its mask is visible. TRUE indicates
+ * that the mask should be visible. If there is no layer mask, this
+ * function will return an error.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_show_mask (gint32   layer_ID,
+                          gboolean show_mask)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-show-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, show_mask,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_edit_mask:
+ * @layer_ID: The layer.
+ *
+ * Get the edit mask setting of the specified layer.
+ *
+ * This procedure returns the specified layer's edit mask setting. If
+ * the value is TRUE, then the layer mask for this layer is currently
+ * active, and not the layer.
+ *
+ * Returns: The layer's edit mask setting.
+ **/
+gboolean
+gimp_layer_get_edit_mask (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean edit_mask = FALSE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-edit-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    edit_mask = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return edit_mask;
+}
+
+/**
+ * gimp_layer_set_edit_mask:
+ * @layer_ID: The layer.
+ * @edit_mask: The new layer's edit mask setting.
+ *
+ * Set the edit mask setting of the specified layer.
+ *
+ * This procedure sets the specified layer's edit mask setting. This
+ * controls whether the layer or it's mask is currently active for
+ * editing. If the specified layer has no layer mask, then this
+ * procedure will return an error.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_edit_mask (gint32   layer_ID,
+                          gboolean edit_mask)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-edit-mask",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, edit_mask,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_opacity:
+ * @layer_ID: The layer.
+ *
+ * Get the opacity of the specified layer.
+ *
+ * This procedure returns the specified layer's opacity.
+ *
+ * Returns: The layer opacity.
+ **/
+gdouble
+gimp_layer_get_opacity (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gdouble opacity = 0.0;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-opacity",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    opacity = return_vals[1].data.d_float;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return opacity;
+}
+
+/**
+ * gimp_layer_set_opacity:
+ * @layer_ID: The layer.
+ * @opacity: The new layer opacity.
+ *
+ * Set the opacity of the specified layer.
+ *
+ * This procedure sets the specified layer's opacity.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_opacity (gint32  layer_ID,
+                        gdouble opacity)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-opacity",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_FLOAT, opacity,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_mode:
+ * @layer_ID: The layer.
+ *
+ * Get the combination mode of the specified layer.
+ *
+ * This procedure returns the specified layer's combination mode.
+ *
+ * Returns: The layer combination mode.
+ **/
+GimpLayerMode
+gimp_layer_get_mode (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  GimpLayerMode mode = 0;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-mode",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    mode = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return mode;
+}
+
+/**
+ * gimp_layer_set_mode:
+ * @layer_ID: The layer.
+ * @mode: The new layer combination mode.
+ *
+ * Set the combination mode of the specified layer.
+ *
+ * This procedure sets the specified layer's combination mode.
+ *
+ * Returns: TRUE on success.
+ **/
+gboolean
+gimp_layer_set_mode (gint32        layer_ID,
+                     GimpLayerMode mode)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-mode",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, mode,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_blend_space:
+ * @layer_ID: The layer.
+ *
+ * Get the blend space of the specified layer.
+ *
+ * This procedure returns the specified layer's blend space.
+ *
+ * Returns: The layer blend space.
+ *
+ * Since: 2.10
+ **/
+GimpLayerColorSpace
+gimp_layer_get_blend_space (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  GimpLayerColorSpace blend_space = 0;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-blend-space",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    blend_space = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return blend_space;
+}
+
+/**
+ * gimp_layer_set_blend_space:
+ * @layer_ID: The layer.
+ * @blend_space: The new layer blend space.
+ *
+ * Set the blend space of the specified layer.
+ *
+ * This procedure sets the specified layer's blend space.
+ *
+ * Returns: TRUE on success.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_layer_set_blend_space (gint32              layer_ID,
+                            GimpLayerColorSpace blend_space)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-blend-space",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, blend_space,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_composite_space:
+ * @layer_ID: The layer.
+ *
+ * Get the composite space of the specified layer.
+ *
+ * This procedure returns the specified layer's composite space.
+ *
+ * Returns: The layer composite space.
+ *
+ * Since: 2.10
+ **/
+GimpLayerColorSpace
+gimp_layer_get_composite_space (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  GimpLayerColorSpace composite_space = 0;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-composite-space",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    composite_space = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return composite_space;
+}
+
+/**
+ * gimp_layer_set_composite_space:
+ * @layer_ID: The layer.
+ * @composite_space: The new layer composite space.
+ *
+ * Set the composite space of the specified layer.
+ *
+ * This procedure sets the specified layer's composite space.
+ *
+ * Returns: TRUE on success.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_layer_set_composite_space (gint32              layer_ID,
+                                GimpLayerColorSpace composite_space)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-composite-space",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, composite_space,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}
+
+/**
+ * gimp_layer_get_composite_mode:
+ * @layer_ID: The layer.
+ *
+ * Get the composite mode of the specified layer.
+ *
+ * This procedure returns the specified layer's composite mode.
+ *
+ * Returns: The layer composite mode.
+ *
+ * Since: 2.10
+ **/
+GimpLayerCompositeMode
+gimp_layer_get_composite_mode (gint32 layer_ID)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  GimpLayerCompositeMode composite_mode = 0;
+
+  return_vals = gimp_run_procedure ("gimp-layer-get-composite-mode",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_END);
+
+  if (return_vals[0].data.d_status == GIMP_PDB_SUCCESS)
+    composite_mode = return_vals[1].data.d_int32;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return composite_mode;
+}
+
+/**
+ * gimp_layer_set_composite_mode:
+ * @layer_ID: The layer.
+ * @composite_mode: The new layer composite mode.
+ *
+ * Set the composite mode of the specified layer.
+ *
+ * This procedure sets the specified layer's composite mode.
+ *
+ * Returns: TRUE on success.
+ *
+ * Since: 2.10
+ **/
+gboolean
+gimp_layer_set_composite_mode (gint32                 layer_ID,
+                               GimpLayerCompositeMode composite_mode)
+{
+  GimpParam *return_vals;
+  gint nreturn_vals;
+  gboolean success = TRUE;
+
+  return_vals = gimp_run_procedure ("gimp-layer-set-composite-mode",
+                                    &nreturn_vals,
+                                    GIMP_PDB_LAYER, layer_ID,
+                                    GIMP_PDB_INT32, composite_mode,
+                                    GIMP_PDB_END);
+
+  success = return_vals[0].data.d_status == GIMP_PDB_SUCCESS;
+
+  gimp_destroy_params (return_vals, nreturn_vals);
+
+  return success;
+}