Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 322 insertions, 0 deletions

diff --git a/app/display/gimpcanvaslayerboundary.c b/app/display/gimpcanvaslayerboundary.c
new file mode 100644
index 0000000..0e4b43b
--- /dev/null
+++ b/app/display/gimpcanvaslayerboundary.c
@@ -0,0 +1,322 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimpcanvaslayerboundary.c
+ * Copyright (C) 2010 Michael Natterer <mitch@gimp.org>
+ *
+ * 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 <gegl.h>
+#include <gtk/gtk.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpmath/gimpmath.h"
+
+#include "display-types.h"
+
+#include "core/gimpchannel.h"
+#include "core/gimplayer.h"
+#include "core/gimplayer-floating-selection.h"
+
+#include "gimpcanvas-style.h"
+#include "gimpcanvaslayerboundary.h"
+#include "gimpdisplayshell.h"
+
+
+enum
+{
+  PROP_0,
+  PROP_LAYER,
+  PROP_EDIT_MASK
+};
+
+
+typedef struct _GimpCanvasLayerBoundaryPrivate GimpCanvasLayerBoundaryPrivate;
+
+struct _GimpCanvasLayerBoundaryPrivate
+{
+  GimpLayer *layer;
+  gboolean   edit_mask;
+};
+
+#define GET_PRIVATE(layer_boundary) \
+        ((GimpCanvasLayerBoundaryPrivate *) gimp_canvas_layer_boundary_get_instance_private ((GimpCanvasLayerBoundary *) (layer_boundary)))
+
+
+/*  local function prototypes  */
+
+static void             gimp_canvas_layer_boundary_set_property (GObject        *object,
+                                                                 guint           property_id,
+                                                                 const GValue   *value,
+                                                                 GParamSpec     *pspec);
+static void             gimp_canvas_layer_boundary_get_property (GObject        *object,
+                                                                 guint           property_id,
+                                                                 GValue         *value,
+                                                                 GParamSpec     *pspec);
+static void             gimp_canvas_layer_boundary_finalize     (GObject        *object);
+static void             gimp_canvas_layer_boundary_draw         (GimpCanvasItem *item,
+                                                                 cairo_t        *cr);
+static cairo_region_t * gimp_canvas_layer_boundary_get_extents  (GimpCanvasItem *item);
+static void             gimp_canvas_layer_boundary_stroke       (GimpCanvasItem *item,
+                                                                 cairo_t        *cr);
+
+
+G_DEFINE_TYPE_WITH_PRIVATE (GimpCanvasLayerBoundary, gimp_canvas_layer_boundary,
+                            GIMP_TYPE_CANVAS_RECTANGLE)
+
+#define parent_class gimp_canvas_layer_boundary_parent_class
+
+
+static void
+gimp_canvas_layer_boundary_class_init (GimpCanvasLayerBoundaryClass *klass)
+{
+  GObjectClass        *object_class = G_OBJECT_CLASS (klass);
+  GimpCanvasItemClass *item_class   = GIMP_CANVAS_ITEM_CLASS (klass);
+
+  object_class->set_property = gimp_canvas_layer_boundary_set_property;
+  object_class->get_property = gimp_canvas_layer_boundary_get_property;
+  object_class->finalize     = gimp_canvas_layer_boundary_finalize;
+
+  item_class->draw           = gimp_canvas_layer_boundary_draw;
+  item_class->get_extents    = gimp_canvas_layer_boundary_get_extents;
+  item_class->stroke         = gimp_canvas_layer_boundary_stroke;
+
+  g_object_class_install_property (object_class, PROP_LAYER,
+                                   g_param_spec_object ("layer", NULL, NULL,
+                                                        GIMP_TYPE_LAYER,
+                                                        GIMP_PARAM_READWRITE));
+
+  g_object_class_install_property (object_class, PROP_EDIT_MASK,
+                                   g_param_spec_boolean ("edit-mask", NULL, NULL,
+                                                         FALSE,
+                                                         GIMP_PARAM_READWRITE));
+}
+
+static void
+gimp_canvas_layer_boundary_init (GimpCanvasLayerBoundary *layer_boundary)
+{
+}
+
+static void
+gimp_canvas_layer_boundary_finalize (GObject *object)
+{
+  GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (object);
+
+  if (private->layer)
+    g_object_remove_weak_pointer (G_OBJECT (private->layer),
+                                  (gpointer) &private->layer);
+
+  G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_canvas_layer_boundary_set_property (GObject      *object,
+                                         guint         property_id,
+                                         const GValue *value,
+                                         GParamSpec   *pspec)
+{
+  GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_LAYER:
+      if (private->layer)
+        g_object_remove_weak_pointer (G_OBJECT (private->layer),
+                                      (gpointer) &private->layer);
+      private->layer = g_value_get_object (value); /* don't ref */
+      if (private->layer)
+        g_object_add_weak_pointer (G_OBJECT (private->layer),
+                                   (gpointer) &private->layer);
+      break;
+    case PROP_EDIT_MASK:
+      private->edit_mask = g_value_get_boolean (value);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_canvas_layer_boundary_get_property (GObject    *object,
+                                         guint       property_id,
+                                         GValue     *value,
+                                         GParamSpec *pspec)
+{
+  GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (object);
+
+  switch (property_id)
+    {
+    case PROP_LAYER:
+      g_value_set_object (value, private->layer);
+      break;
+    case PROP_EDIT_MASK:
+      g_value_set_boolean (value, private->edit_mask);
+      break;
+
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+      break;
+    }
+}
+
+static void
+gimp_canvas_layer_boundary_draw (GimpCanvasItem *item,
+                                 cairo_t        *cr)
+{
+  GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (item);
+
+  if (private->layer)
+    GIMP_CANVAS_ITEM_CLASS (parent_class)->draw (item, cr);
+}
+
+static cairo_region_t *
+gimp_canvas_layer_boundary_get_extents (GimpCanvasItem *item)
+{
+  GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (item);
+
+  if (private->layer)
+    return GIMP_CANVAS_ITEM_CLASS (parent_class)->get_extents (item);
+
+  return NULL;
+}
+
+static void
+gimp_canvas_layer_boundary_stroke (GimpCanvasItem *item,
+                                   cairo_t        *cr)
+{
+  GimpCanvasLayerBoundaryPrivate *private = GET_PRIVATE (item);
+  GimpDisplayShell               *shell   = gimp_canvas_item_get_shell (item);
+
+  gimp_canvas_set_layer_style (gimp_canvas_item_get_canvas (item), cr,
+                               private->layer,
+                               shell->offset_x, shell->offset_y);
+  cairo_stroke (cr);
+}
+
+GimpCanvasItem *
+gimp_canvas_layer_boundary_new (GimpDisplayShell *shell)
+{
+  g_return_val_if_fail (GIMP_IS_DISPLAY_SHELL (shell), NULL);
+
+  return g_object_new (GIMP_TYPE_CANVAS_LAYER_BOUNDARY,
+                       "shell", shell,
+                       NULL);
+}
+
+void
+gimp_canvas_layer_boundary_set_layer (GimpCanvasLayerBoundary *boundary,
+                                      GimpLayer               *layer)
+{
+  GimpCanvasLayerBoundaryPrivate *private;
+
+  g_return_if_fail (GIMP_IS_CANVAS_LAYER_BOUNDARY (boundary));
+  g_return_if_fail (layer == NULL || GIMP_IS_LAYER (layer));
+
+  private = GET_PRIVATE (boundary);
+
+  if (layer && gimp_layer_is_floating_sel (layer))
+    {
+      GimpDrawable *drawable;
+
+      drawable = gimp_layer_get_floating_sel_drawable (layer);
+
+      if (GIMP_IS_CHANNEL (drawable))
+        {
+          /*  if the owner drawable is a channel, show no outline  */
+
+          layer = NULL;
+        }
+      else
+        {
+          /*  otherwise, set the layer to the owner drawable  */
+
+          layer = GIMP_LAYER (drawable);
+        }
+    }
+
+  if (layer != private->layer)
+    {
+      gboolean edit_mask = FALSE;
+
+      gimp_canvas_item_begin_change (GIMP_CANVAS_ITEM (boundary));
+
+      if (layer)
+        {
+          GimpItem *item = GIMP_ITEM (layer);
+
+          edit_mask = (gimp_layer_get_mask (layer) &&
+                       gimp_layer_get_edit_mask (layer));
+
+          g_object_set (boundary,
+                        "x",      (gdouble) gimp_item_get_offset_x (item),
+                        "y",      (gdouble) gimp_item_get_offset_y (item),
+                        "width",  (gdouble) gimp_item_get_width  (item),
+                        "height", (gdouble) gimp_item_get_height (item),
+                        NULL);
+        }
+
+      g_object_set (boundary,
+                    "layer",     layer,
+                    "edit-mask", edit_mask,
+                    NULL);
+
+      gimp_canvas_item_end_change (GIMP_CANVAS_ITEM (boundary));
+    }
+  else if (layer && layer == private->layer)
+    {
+      GimpItem *item = GIMP_ITEM (layer);
+      gint      lx, ly, lw, lh;
+      gdouble   x, y, w ,h;
+      gboolean  edit_mask;
+
+      lx = gimp_item_get_offset_x (item);
+      ly = gimp_item_get_offset_y (item);
+      lw = gimp_item_get_width  (item);
+      lh = gimp_item_get_height (item);
+
+      edit_mask = (gimp_layer_get_mask (layer) &&
+                   gimp_layer_get_edit_mask (layer));
+
+      g_object_get (boundary,
+                    "x",      &x,
+                    "y",      &y,
+                    "width",  &w,
+                    "height", &h,
+                    NULL);
+
+      if (lx        != (gint) x ||
+          ly        != (gint) y ||
+          lw        != (gint) w ||
+          lh        != (gint) h ||
+          edit_mask != private->edit_mask)
+        {
+          gimp_canvas_item_begin_change (GIMP_CANVAS_ITEM (boundary));
+
+          g_object_set (boundary,
+                        "x",         (gdouble) lx,
+                        "y",         (gdouble) ly,
+                        "width",     (gdouble) lw,
+                        "height",    (gdouble) lh,
+                        "edit-mask", edit_mask,
+                        NULL);
+
+          gimp_canvas_item_end_change (GIMP_CANVAS_ITEM (boundary));
+        }
+    }
+}