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;
}
static void
gimp_image_rotate_guides (GimpImage *image,
GimpRotationType rotate_type)
{
GList *list;
/* Rotate all Guides */
for (list = gimp_image_get_guides (image);
list;
list = g_list_next (list))
{
GimpGuide *guide = list->data;
GimpOrientationType orientation = gimp_guide_get_orientation (guide);
gint position = gimp_guide_get_position (guide);
switch (rotate_type)
{
case GIMP_ROTATE_90:
switch (orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_VERTICAL);
gimp_guide_set_position (guide,
gimp_image_get_height (image) - position);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_HORIZONTAL);
break;
default:
break;
}
break;
case GIMP_ROTATE_180:
switch (orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_move_guide (image, guide,
gimp_image_get_height (image) - position,
TRUE);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_move_guide (image, guide,
gimp_image_get_width (image) - position,
TRUE);
break;
default:
break;
}
break;
case GIMP_ROTATE_270:
switch (orientation)
{
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_VERTICAL);
break;
case GIMP_ORIENTATION_VERTICAL:
gimp_image_undo_push_guide (image, NULL, guide);
gimp_guide_set_orientation (guide, GIMP_ORIENTATION_HORIZONTAL);
gimp_guide_set_position (guide,
gimp_image_get_width (image) - position);
break;
default:
break;
}
break;
}
}
}
