Adding upstream version 2.10.22.upstream/2.10.22upstream

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

1 files changed, 212 insertions, 0 deletions

diff --git a/app/core/gimpimage-quick-mask.c b/app/core/gimpimage-quick-mask.c
new file mode 100644
index 0000000..9473bde
--- /dev/null
+++ b/app/core/gimpimage-quick-mask.c
@@ -0,0 +1,212 @@
+/* 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 <cairo.h>
+#include <gegl.h>
+#include <gdk-pixbuf/gdk-pixbuf.h>
+
+#include "libgimpcolor/gimpcolor.h"
+
+#include "core-types.h"
+
+#include "gimp.h"
+#include "gimpchannel.h"
+#include "gimpimage.h"
+#include "gimpimage-private.h"
+#include "gimpimage-quick-mask.h"
+#include "gimpimage-undo.h"
+#include "gimpimage-undo-push.h"
+#include "gimplayer.h"
+#include "gimplayer-floating-selection.h"
+
+#include "gimp-intl.h"
+
+
+#define CHANNEL_WAS_ACTIVE (0x2)
+
+
+/*  public functions  */
+
+void
+gimp_image_set_quick_mask_state (GimpImage *image,
+                                 gboolean   active)
+{
+  GimpImagePrivate *private;
+  GimpChannel      *selection;
+  GimpChannel      *mask;
+  gboolean          channel_was_active;
+
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+
+  if (active == gimp_image_get_quick_mask_state (image))
+    return;
+
+  private = GIMP_IMAGE_GET_PRIVATE (image);
+
+  /*  Keep track of the state so that we can make the right drawable
+   *  active again when deactiviting quick mask (see bug #134371).
+   */
+  if (private->quick_mask_state)
+    channel_was_active = (private->quick_mask_state & CHANNEL_WAS_ACTIVE) != 0;
+  else
+    channel_was_active = gimp_image_get_active_channel (image) != NULL;
+
+  /*  Set private->quick_mask_state early so we can return early when
+   *  being called recursively.
+   */
+  private->quick_mask_state = (active
+                               ? TRUE | (channel_was_active ?
+                                         CHANNEL_WAS_ACTIVE : 0)
+                               : FALSE);
+
+  selection = gimp_image_get_mask (image);
+  mask      = gimp_image_get_quick_mask (image);
+
+  if (active)
+    {
+      if (! mask)
+        {
+          GimpLayer *floating_sel;
+
+          gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_QUICK_MASK,
+                                       C_("undo-type", "Enable Quick Mask"));
+
+          floating_sel = gimp_image_get_floating_selection (image);
+
+          if (floating_sel)
+            floating_sel_to_layer (floating_sel, NULL);
+
+          mask = GIMP_CHANNEL (gimp_item_duplicate (GIMP_ITEM (selection),
+                                                    GIMP_TYPE_CHANNEL));
+
+          if (! gimp_channel_is_empty (selection))
+            gimp_channel_clear (selection, NULL, TRUE);
+
+          gimp_channel_set_color (mask, &private->quick_mask_color, FALSE);
+          gimp_item_rename (GIMP_ITEM (mask), GIMP_IMAGE_QUICK_MASK_NAME,
+                            NULL);
+
+          if (private->quick_mask_inverted)
+            gimp_channel_invert (mask, FALSE);
+
+          gimp_image_add_channel (image, mask, NULL, 0, TRUE);
+
+          gimp_image_undo_group_end (image);
+        }
+    }
+  else
+    {
+      if (mask)
+        {
+          GimpLayer *floating_sel = gimp_image_get_floating_selection (image);
+
+          gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_QUICK_MASK,
+                                       C_("undo-type", "Disable Quick Mask"));
+
+          if (private->quick_mask_inverted)
+            gimp_channel_invert (mask, TRUE);
+
+          if (floating_sel &&
+              gimp_layer_get_floating_sel_drawable (floating_sel) == GIMP_DRAWABLE (mask))
+            floating_sel_anchor (floating_sel);
+
+          gimp_item_to_selection (GIMP_ITEM (mask),
+                                  GIMP_CHANNEL_OP_REPLACE,
+                                  TRUE, FALSE, 0.0, 0.0);
+          gimp_image_remove_channel (image, mask, TRUE, NULL);
+
+          if (! channel_was_active)
+            gimp_image_unset_active_channel (image);
+
+          gimp_image_undo_group_end (image);
+        }
+    }
+
+  gimp_image_quick_mask_changed (image);
+}
+
+gboolean
+gimp_image_get_quick_mask_state (GimpImage *image)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+  return GIMP_IMAGE_GET_PRIVATE (image)->quick_mask_state;
+}
+
+void
+gimp_image_set_quick_mask_color (GimpImage     *image,
+                                 const GimpRGB *color)
+{
+  GimpChannel *quick_mask;
+
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+  g_return_if_fail (color != NULL);
+
+  GIMP_IMAGE_GET_PRIVATE (image)->quick_mask_color = *color;
+
+  quick_mask = gimp_image_get_quick_mask (image);
+  if (quick_mask)
+    gimp_channel_set_color (quick_mask, color, TRUE);
+}
+
+void
+gimp_image_get_quick_mask_color (GimpImage *image,
+                                 GimpRGB   *color)
+{
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+  g_return_if_fail (color != NULL);
+
+  *color = GIMP_IMAGE_GET_PRIVATE (image)->quick_mask_color;
+}
+
+GimpChannel *
+gimp_image_get_quick_mask (GimpImage *image)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+  return gimp_image_get_channel_by_name (image, GIMP_IMAGE_QUICK_MASK_NAME);
+}
+
+void
+gimp_image_quick_mask_invert (GimpImage *image)
+{
+  GimpImagePrivate *private;
+
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+
+  private = GIMP_IMAGE_GET_PRIVATE (image);
+
+  if (private->quick_mask_state)
+    {
+      GimpChannel *quick_mask = gimp_image_get_quick_mask (image);
+
+      if (quick_mask)
+        gimp_channel_invert (quick_mask, TRUE);
+    }
+
+  private->quick_mask_inverted = ! private->quick_mask_inverted;
+}
+
+gboolean
+gimp_image_get_quick_mask_inverted (GimpImage *image)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), FALSE);
+
+  return GIMP_IMAGE_GET_PRIVATE (image)->quick_mask_inverted;
+}