static void
gimp_mandala_add_guide (GimpMandala *mandala,
GimpOrientationType orientation)
{
GimpSymmetry *sym = GIMP_SYMMETRY (mandala);
GimpImage *image;
Gimp *gimp;
GimpGuide *guide;
gint position;
image = sym->image;
gimp = image->gimp;
guide = gimp_guide_custom_new (orientation,
gimp->next_guide_ID++,
GIMP_GUIDE_STYLE_MANDALA);
if (orientation == GIMP_ORIENTATION_HORIZONTAL)
{
mandala->horizontal_guide = guide;
/* Mandala guide position at first activation is at canvas middle. */
if (mandala->center_y < 1.0)
mandala->center_y = (gdouble) gimp_image_get_height (image) / 2.0;
position = (gint) mandala->center_y;
}
else
{
mandala->vertical_guide = guide;
/* Mandala guide position at first activation is at canvas middle. */
if (mandala->center_x < 1.0)
mandala->center_x = (gdouble) gimp_image_get_width (image) / 2.0;
position = (gint) mandala->center_x;
}
g_signal_connect (guide, "removed",
G_CALLBACK (gimp_mandala_guide_removed_cb),
mandala);
gimp_image_add_guide (image, guide, position);
g_signal_connect (guide, "notify::position",
G_CALLBACK (gimp_mandala_guide_position_cb),
mandala);
}
static void
gimp_image_map_tool_add_guide (GimpImageMapTool *im_tool)
{
GimpImageMapOptions *options = GIMP_IMAGE_MAP_TOOL_GET_OPTIONS (im_tool);
GimpItem *item;
GimpImage *image;
GimpOrientationType orientation;
gint position;
if (im_tool->percent_guide)
return;
item = GIMP_ITEM (im_tool->drawable);
image = gimp_item_get_image (item);
if (options->preview_alignment == GIMP_ALIGN_LEFT ||
options->preview_alignment == GIMP_ALIGN_RIGHT)
{
orientation = GIMP_ORIENTATION_VERTICAL;
position = (gimp_item_get_offset_x (item) +
gimp_item_get_width (item) *
options->preview_position);
}
else
{
orientation = GIMP_ORIENTATION_HORIZONTAL;
position = (gimp_item_get_offset_y (item) +
gimp_item_get_height (item) *
options->preview_position);
}
im_tool->percent_guide = gimp_guide_custom_new (orientation,
image->gimp->next_guide_ID++,
GIMP_GUIDE_STYLE_SPLIT_VIEW);
gimp_image_add_guide (image, im_tool->percent_guide, position);
g_signal_connect (im_tool->percent_guide, "removed",
G_CALLBACK (gimp_image_map_tool_guide_removed),
im_tool);
g_signal_connect (im_tool->percent_guide, "notify::position",
G_CALLBACK (gimp_image_map_tool_guide_moved),
im_tool);
}
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;
}
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;
}