Adding upstream version 2.10.36.upstream/2.10.36

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

1 files changed, 216 insertions, 0 deletions

diff --git a/app/core/gimpimage-guides.c b/app/core/gimpimage-guides.c
new file mode 100644
index 0000000..a265d1e
--- /dev/null
+++ b/app/core/gimpimage-guides.c
@@ -0,0 +1,216 @@
+/* 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 "gimp.h"
+#include "gimpimage.h"
+#include "gimpguide.h"
+#include "gimpimage-guides.h"
+#include "gimpimage-private.h"
+#include "gimpimage-undo-push.h"
+
+#include "gimp-intl.h"
+
+
+/*  public functions  */
+
+GimpGuide *
+gimp_image_add_hguide (GimpImage *image,
+                       gint       position,
+                       gboolean   push_undo)
+{
+  GimpGuide *guide;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+  g_return_val_if_fail (position >= 0 &&
+                        position <= gimp_image_get_height (image), NULL);
+
+  guide = gimp_guide_new (GIMP_ORIENTATION_HORIZONTAL,
+                          image->gimp->next_guide_ID++);
+
+  if (push_undo)
+    gimp_image_undo_push_guide (image,
+                                C_("undo-type", "Add Horizontal Guide"), guide);
+
+  gimp_image_add_guide (image, guide, position);
+  g_object_unref (G_OBJECT (guide));
+
+  return guide;
+}
+
+GimpGuide *
+gimp_image_add_vguide (GimpImage *image,
+                       gint       position,
+                       gboolean   push_undo)
+{
+  GimpGuide *guide;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+  g_return_val_if_fail (position >= 0 &&
+                        position <= gimp_image_get_width (image), NULL);
+
+  guide = gimp_guide_new (GIMP_ORIENTATION_VERTICAL,
+                          image->gimp->next_guide_ID++);
+
+  if (push_undo)
+    gimp_image_undo_push_guide (image,
+                                C_("undo-type", "Add Vertical Guide"), guide);
+
+  gimp_image_add_guide (image, guide, position);
+  g_object_unref (guide);
+
+  return guide;
+}
+
+void
+gimp_image_add_guide (GimpImage *image,
+                      GimpGuide *guide,
+                      gint       position)
+{
+  GimpImagePrivate *private;
+
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+  g_return_if_fail (GIMP_IS_GUIDE (guide));
+
+  private = GIMP_IMAGE_GET_PRIVATE (image);
+
+  private->guides = g_list_prepend (private->guides, guide);
+
+  gimp_guide_set_position (guide, position);
+  g_object_ref (guide);
+
+  gimp_image_guide_added (image, guide);
+}
+
+void
+gimp_image_remove_guide (GimpImage *image,
+                         GimpGuide *guide,
+                         gboolean   push_undo)
+{
+  GimpImagePrivate *private;
+
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+  g_return_if_fail (GIMP_IS_GUIDE (guide));
+
+  private = GIMP_IMAGE_GET_PRIVATE (image);
+
+  if (gimp_guide_is_custom (guide))
+    push_undo = FALSE;
+
+  if (push_undo)
+    gimp_image_undo_push_guide (image, C_("undo-type", "Remove Guide"), guide);
+
+  private->guides = g_list_remove (private->guides, guide);
+  gimp_aux_item_removed (GIMP_AUX_ITEM (guide));
+
+  gimp_image_guide_removed (image, guide);
+
+  gimp_guide_set_position (guide, GIMP_GUIDE_POSITION_UNDEFINED);
+  g_object_unref (guide);
+}
+
+void
+gimp_image_move_guide (GimpImage *image,
+                       GimpGuide *guide,
+                       gint       position,
+                       gboolean   push_undo)
+{
+  g_return_if_fail (GIMP_IS_IMAGE (image));
+  g_return_if_fail (GIMP_IS_GUIDE (guide));
+  g_return_if_fail (position >= 0);
+
+  if (gimp_guide_get_orientation (guide) == GIMP_ORIENTATION_HORIZONTAL)
+    g_return_if_fail (position <= gimp_image_get_height (image));
+  else
+    g_return_if_fail (position <= gimp_image_get_width (image));
+
+  if (gimp_guide_is_custom (guide))
+    push_undo = FALSE;
+
+  if (push_undo)
+    gimp_image_undo_push_guide (image, C_("undo-type", "Move Guide"), guide);
+
+  gimp_guide_set_position (guide, position);
+
+  gimp_image_guide_moved (image, guide);
+}
+
+GList *
+gimp_image_get_guides (GimpImage *image)
+{
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+  return GIMP_IMAGE_GET_PRIVATE (image)->guides;
+}
+
+GimpGuide *
+gimp_image_get_guide (GimpImage *image,
+                      guint32    id)
+{
+  GList *guides;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+
+  for (guides = GIMP_IMAGE_GET_PRIVATE (image)->guides;
+       guides;
+       guides = g_list_next (guides))
+    {
+      GimpGuide *guide = guides->data;
+
+      if (gimp_aux_item_get_ID (GIMP_AUX_ITEM (guide)) == id)
+        return guide;
+    }
+
+  return NULL;
+}
+
+GimpGuide *
+gimp_image_get_next_guide (GimpImage *image,
+                           guint32    id,
+                           gboolean  *guide_found)
+{
+  GList *guides;
+
+  g_return_val_if_fail (GIMP_IS_IMAGE (image), NULL);
+  g_return_val_if_fail (guide_found != NULL, NULL);
+
+  if (id == 0)
+    *guide_found = TRUE;
+  else
+    *guide_found = FALSE;
+
+  for (guides = GIMP_IMAGE_GET_PRIVATE (image)->guides;
+       guides;
+       guides = g_list_next (guides))
+    {
+      GimpGuide *guide = guides->data;
+
+      if (*guide_found) /* this is the first guide after the found one */
+        return guide;
+
+      if (gimp_aux_item_get_ID (GIMP_AUX_ITEM (guide)) == id) /* found it, next one will be returned */
+        *guide_found = TRUE;
+    }
+
+  return NULL;
+}