Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 297 insertions, 0 deletions

diff --git a/app/core/gimplayermask.c b/app/core/gimplayermask.c
new file mode 100644
index 0000000..ec0dbfb
--- /dev/null
+++ b/app/core/gimplayermask.c
@@ -0,0 +1,297 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gdk-pixbuf/gdk-pixbuf.h>
+#include <gegl.h>
+
+#include "core-types.h"
+
+#include "gegl/gimp-babl.h"
+
+#include "gimperror.h"
+#include "gimpimage.h"
+#include "gimplayer.h"
+#include "gimplayermask.h"
+
+#include "gimp-intl.h"
+
+
+static void            gimp_layer_mask_preview_freeze       (GimpViewable      *viewable);
+static void            gimp_layer_mask_preview_thaw         (GimpViewable      *viewable);
+
+static gboolean        gimp_layer_mask_is_attached          (GimpItem          *item);
+static gboolean        gimp_layer_mask_is_content_locked    (GimpItem          *item);
+static gboolean        gimp_layer_mask_is_position_locked   (GimpItem          *item);
+static GimpItemTree  * gimp_layer_mask_get_tree             (GimpItem          *item);
+static GimpItem      * gimp_layer_mask_duplicate            (GimpItem          *item,
+                                                             GType              new_type);
+static gboolean        gimp_layer_mask_rename               (GimpItem          *item,
+                                                             const gchar       *new_name,
+                                                             const gchar       *undo_desc,
+                                                             GError           **error);
+
+static void            gimp_layer_mask_bounding_box_changed (GimpDrawable      *drawable);
+static void            gimp_layer_mask_convert_type         (GimpDrawable      *drawable,
+                                                             GimpImage         *dest_image,
+                                                             const Babl        *new_format,
+                                                             GimpColorProfile  *dest_profile,
+                                                             GeglDitherMethod   layer_dither_type,
+                                                             GeglDitherMethod   mask_dither_type,
+                                                             gboolean           push_undo,
+                                                             GimpProgress      *progress);
+
+
+G_DEFINE_TYPE (GimpLayerMask, gimp_layer_mask, GIMP_TYPE_CHANNEL)
+
+#define parent_class gimp_layer_mask_parent_class
+
+
+static void
+gimp_layer_mask_class_init (GimpLayerMaskClass *klass)
+{
+  GimpViewableClass *viewable_class = GIMP_VIEWABLE_CLASS (klass);
+  GimpItemClass     *item_class     = GIMP_ITEM_CLASS (klass);
+  GimpDrawableClass *drawable_class = GIMP_DRAWABLE_CLASS (klass);
+
+  viewable_class->default_icon_name = "gimp-layer-mask";
+
+  viewable_class->preview_freeze       = gimp_layer_mask_preview_freeze;
+  viewable_class->preview_thaw         = gimp_layer_mask_preview_thaw;
+
+  item_class->is_attached              = gimp_layer_mask_is_attached;
+  item_class->is_content_locked        = gimp_layer_mask_is_content_locked;
+  item_class->is_position_locked       = gimp_layer_mask_is_position_locked;
+  item_class->get_tree                 = gimp_layer_mask_get_tree;
+  item_class->duplicate                = gimp_layer_mask_duplicate;
+  item_class->rename                   = gimp_layer_mask_rename;
+  item_class->translate_desc           = C_("undo-type", "Move Layer Mask");
+  item_class->to_selection_desc        = C_("undo-type", "Layer Mask to Selection");
+
+  drawable_class->bounding_box_changed = gimp_layer_mask_bounding_box_changed;
+  drawable_class->convert_type         = gimp_layer_mask_convert_type;
+}
+
+static void
+gimp_layer_mask_init (GimpLayerMask *layer_mask)
+{
+  layer_mask->layer = NULL;
+}
+
+static void
+gimp_layer_mask_preview_freeze (GimpViewable *viewable)
+{
+  GimpLayerMask *mask  = GIMP_LAYER_MASK (viewable);
+  GimpLayer     *layer = gimp_layer_mask_get_layer (mask);
+
+  if (layer)
+    {
+      GimpViewable *parent = gimp_viewable_get_parent (GIMP_VIEWABLE (layer));
+
+      if (! parent && gimp_item_is_attached (GIMP_ITEM (layer)))
+        parent = GIMP_VIEWABLE (gimp_item_get_image (GIMP_ITEM (layer)));
+
+      if (parent)
+        gimp_viewable_preview_freeze (parent);
+    }
+}
+
+static void
+gimp_layer_mask_preview_thaw (GimpViewable *viewable)
+{
+  GimpLayerMask *mask  = GIMP_LAYER_MASK (viewable);
+  GimpLayer     *layer = gimp_layer_mask_get_layer (mask);
+
+  if (layer)
+    {
+      GimpViewable *parent = gimp_viewable_get_parent (GIMP_VIEWABLE (layer));
+
+      if (! parent && gimp_item_is_attached (GIMP_ITEM (layer)))
+        parent = GIMP_VIEWABLE (gimp_item_get_image (GIMP_ITEM (layer)));
+
+      if (parent)
+        gimp_viewable_preview_thaw (parent);
+    }
+}
+
+static gboolean
+gimp_layer_mask_is_content_locked (GimpItem *item)
+{
+  GimpLayerMask *mask  = GIMP_LAYER_MASK (item);
+  GimpLayer     *layer = gimp_layer_mask_get_layer (mask);
+
+  if (layer)
+    return gimp_item_is_content_locked (GIMP_ITEM (layer));
+
+  return FALSE;
+}
+
+static gboolean
+gimp_layer_mask_is_position_locked (GimpItem *item)
+{
+  GimpLayerMask *mask  = GIMP_LAYER_MASK (item);
+  GimpLayer     *layer = gimp_layer_mask_get_layer (mask);
+
+  if (layer)
+    return gimp_item_is_position_locked (GIMP_ITEM (layer));
+
+  return FALSE;
+}
+
+static gboolean
+gimp_layer_mask_is_attached (GimpItem *item)
+{
+  GimpLayerMask *mask  = GIMP_LAYER_MASK (item);
+  GimpLayer     *layer = gimp_layer_mask_get_layer (mask);
+
+  return (GIMP_IS_IMAGE (gimp_item_get_image (item)) &&
+          GIMP_IS_LAYER (layer)                      &&
+          gimp_layer_get_mask (layer) == mask        &&
+          gimp_item_is_attached (GIMP_ITEM (layer)));
+}
+
+static GimpItemTree *
+gimp_layer_mask_get_tree (GimpItem *item)
+{
+  return NULL;
+}
+
+static GimpItem *
+gimp_layer_mask_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);
+
+  return new_item;
+}
+
+static gboolean
+gimp_layer_mask_rename (GimpItem     *item,
+                        const gchar  *new_name,
+                        const gchar  *undo_desc,
+                        GError      **error)
+{
+  /* reject renaming, layer masks are always named "<layer name> mask"  */
+
+  g_set_error (error, GIMP_ERROR, GIMP_FAILED,
+               _("Cannot rename layer masks."));
+
+  return FALSE;
+}
+
+static void
+gimp_layer_mask_bounding_box_changed (GimpDrawable *drawable)
+{
+  GimpLayerMask *mask  = GIMP_LAYER_MASK (drawable);
+  GimpLayer     *layer = gimp_layer_mask_get_layer (mask);
+
+  if (GIMP_DRAWABLE_CLASS (parent_class)->bounding_box_changed)
+    GIMP_DRAWABLE_CLASS (parent_class)->bounding_box_changed (drawable);
+
+  if (layer)
+    gimp_drawable_update_bounding_box (GIMP_DRAWABLE (layer));
+}
+
+static void
+gimp_layer_mask_convert_type (GimpDrawable      *drawable,
+                              GimpImage         *dest_image,
+                              const Babl        *new_format,
+                              GimpColorProfile  *dest_profile,
+                              GeglDitherMethod   layer_dither_type,
+                              GeglDitherMethod   mask_dither_type,
+                              gboolean           push_undo,
+                              GimpProgress      *progress)
+{
+  new_format =
+    gimp_babl_mask_format (gimp_babl_format_get_precision (new_format));
+
+  GIMP_DRAWABLE_CLASS (parent_class)->convert_type (drawable, dest_image,
+                                                    new_format,
+                                                    dest_profile,
+                                                    layer_dither_type,
+                                                    mask_dither_type,
+                                                    push_undo,
+                                                    progress);
+}
+
+GimpLayerMask *
+gimp_layer_mask_new (GimpImage     *image,
+                     gint           width,
+                     gint           height,
+                     const gchar   *name,
+                     const GimpRGB *color)
+{
+  GimpLayerMask *layer_mask;
+
+  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 (color != NULL, NULL);
+
+  layer_mask =
+    GIMP_LAYER_MASK (gimp_drawable_new (GIMP_TYPE_LAYER_MASK,
+                                        image, name,
+                                        0, 0, width, height,
+                                        gimp_image_get_mask_format (image)));
+
+  /*  set the layer_mask color and opacity  */
+  gimp_channel_set_color (GIMP_CHANNEL (layer_mask), color, FALSE);
+  gimp_channel_set_show_masked (GIMP_CHANNEL (layer_mask), TRUE);
+
+  /*  selection mask variables  */
+  GIMP_CHANNEL (layer_mask)->x2 = width;
+  GIMP_CHANNEL (layer_mask)->y2 = height;
+
+  return layer_mask;
+}
+
+void
+gimp_layer_mask_set_layer (GimpLayerMask *layer_mask,
+                           GimpLayer     *layer)
+{
+  g_return_if_fail (GIMP_IS_LAYER_MASK (layer_mask));
+  g_return_if_fail (layer == NULL || GIMP_IS_LAYER (layer));
+
+  layer_mask->layer = layer;
+
+  if (layer)
+    {
+      gchar *mask_name;
+      gint   offset_x;
+      gint   offset_y;
+
+      gimp_item_get_offset (GIMP_ITEM (layer), &offset_x, &offset_y);
+      gimp_item_set_offset (GIMP_ITEM (layer_mask), offset_x, offset_y);
+
+      mask_name = g_strdup_printf (_("%s mask"), gimp_object_get_name (layer));
+
+      gimp_object_take_name (GIMP_OBJECT (layer_mask), mask_name);
+    }
+}
+
+GimpLayer *
+gimp_layer_mask_get_layer (GimpLayerMask *layer_mask)
+{
+  g_return_val_if_fail (GIMP_IS_LAYER_MASK (layer_mask), NULL);
+
+  return layer_mask->layer;
+}