/* ---------------------------------------
* gap_image_remove_all_guides
* ---------------------------------------
*/
void
gap_image_remove_all_guides(gint32 image_id)
{
gint32 guide_id;
while(TRUE)
{
guide_id = 0; /* 0 starts find at 1st guide */
guide_id = gimp_image_find_next_guide(image_id, guide_id);
if (guide_id < 1)
{
break;
}
gimp_image_delete_guide(image_id, guide_id);
}
} /* end gap_image_remove_all_guides */
static void
guillotine (gint32 image_ID)
{
gint guide;
gint image_width;
gint image_height;
gboolean guides_found = FALSE;
GList *hguides, *hg;
GList *vguides, *vg;
image_width = gimp_image_width (image_ID);
image_height = gimp_image_height (image_ID);
hguides = g_list_append (NULL, GINT_TO_POINTER (0));
hguides = g_list_append (hguides, GINT_TO_POINTER (image_height));
vguides = g_list_append (NULL, GINT_TO_POINTER (0));
vguides = g_list_append (vguides, GINT_TO_POINTER (image_width));
for (guide = gimp_image_find_next_guide (image_ID, 0);
guide > 0;
guide = gimp_image_find_next_guide (image_ID, guide))
{
gint position = gimp_image_get_guide_position (image_ID, guide);
switch (gimp_image_get_guide_orientation (image_ID, guide))
{
case GIMP_ORIENTATION_HORIZONTAL:
if (! g_list_find (hguides, GINT_TO_POINTER (position)))
{
hguides = g_list_insert_sorted (hguides,
GINT_TO_POINTER (position),
guide_sort_func);
guides_found = TRUE;
}
break;
case GIMP_ORIENTATION_VERTICAL:
if (! g_list_find (vguides, GINT_TO_POINTER (position)))
{
vguides = g_list_insert_sorted (vguides,
GINT_TO_POINTER (position),
guide_sort_func);
guides_found = TRUE;
}
break;
case GIMP_ORIENTATION_UNKNOWN:
g_assert_not_reached ();
break;
}
}
if (guides_found)
{
gchar *filename;
gint h, v, hpad, vpad;
gint x, y;
gchar *hformat;
gchar *format;
filename = gimp_image_get_filename (image_ID);
if (!filename)
filename = g_strdup (_("Untitled"));
/* get the number horizontal and vertical slices */
h = g_list_length (hguides);
v = g_list_length (vguides);
/* need the number of digits of h and v for the padding */
hpad = log10(h) + 1;
vpad = log10(v) + 1;
/* format for the x-y coordinates in the filename */
hformat = g_strdup_printf ("%%0%i", MAX (hpad, vpad));
format = g_strdup_printf ("-%si-%si", hformat, hformat);
/* Do the actual dup'ing and cropping... this isn't a too naive a
* way to do this since we got copy-on-write tiles, either.
*/
for (y = 0, hg = hguides; hg && hg->next; y++, hg = hg->next)
{
for (x = 0, vg = vguides; vg && vg->next; x++, vg = vg->next)
{
gint32 new_image = gimp_image_duplicate (image_ID);
GString *new_filename;
gchar *fileextension;
gchar *fileindex;
gint pos;
if (new_image == -1)
{
g_warning ("Couldn't create new image.");
return;
}
gimp_image_undo_disable (new_image);
gimp_image_crop (new_image,
GPOINTER_TO_INT (vg->next->data) -
GPOINTER_TO_INT (vg->data),
GPOINTER_TO_INT (hg->next->data) -
GPOINTER_TO_INT (hg->data),
GPOINTER_TO_INT (vg->data),
GPOINTER_TO_INT (hg->data));
new_filename = g_string_new (filename);
/* show the rough coordinates of the image in the title */
fileindex = g_strdup_printf (format, x, y);
/* get the position of the file extension - last . in filename */
fileextension = strrchr (new_filename->str, '.');
pos = fileextension - new_filename->str;
/* insert the coordinates before the extension */
g_string_insert (new_filename, pos, fileindex);
g_free (fileindex);
gimp_image_set_filename (new_image, new_filename->str);
g_string_free (new_filename, TRUE);
while ((guide = gimp_image_find_next_guide (new_image, 0)))
gimp_image_delete_guide (new_image, guide);
gimp_image_undo_enable (new_image);
gimp_display_new (new_image);
}
}
g_free (filename);
g_free (hformat);
g_free (format);
}
g_list_free (hguides);
g_list_free (vguides);
}
/* The main rotate function */
static void
rotate (void)
{
GimpDrawable *drawable;
gint32 *layers;
gint i;
gint nlayers;
gint32 guide_ID;
GuideInfo *guide;
GList *guides = NULL;
GList *list;
if (rotvals.angle == 0) return;
/* if there's a selection and we try to rotate the whole image */
/* create an error message and exit */
if (rotvals.everything)
{
if (! gimp_selection_is_empty (image_ID))
{
gimp_message (_("You can not rotate the whole image if there's a selection."));
gimp_drawable_detach (active_drawable);
return;
}
if (gimp_item_is_layer (active_drawable->drawable_id) &&
gimp_layer_is_floating_sel (active_drawable->drawable_id))
{
gimp_message (_("You can not rotate the whole image if there's a floating selection."));
gimp_drawable_detach (active_drawable);
return;
}
}
else
/* if we are trying to rotate a channel or a mask,
create an error message and exit */
{
if (! gimp_item_is_layer (active_drawable->drawable_id))
{
gimp_message (_("Sorry, channels and masks can not be rotated."));
gimp_drawable_detach (active_drawable);
return;
}
}
gimp_progress_init (_("Rotating"));
gimp_image_undo_group_start (image_ID);
if (rotvals.everything) /* rotate the whole image */
{
gint32 width = gimp_image_width (image_ID);
gint32 height = gimp_image_height (image_ID);
gimp_drawable_detach (active_drawable);
layers = gimp_image_get_layers (image_ID, &nlayers);
for (i = 0; i < nlayers; i++)
{
drawable = gimp_drawable_get (layers[i]);
rotate_drawable (drawable);
gimp_drawable_detach (drawable);
}
g_free (layers);
/* build a list of all guides and remove them */
guide_ID = 0;
while ((guide_ID = gimp_image_find_next_guide (image_ID, guide_ID)) != 0)
{
guide = g_new (GuideInfo, 1);
guide->ID = guide_ID;
guide->orientation = gimp_image_get_guide_orientation (image_ID,
guide_ID);
guide->position = gimp_image_get_guide_position (image_ID, guide_ID);
guides = g_list_prepend (guides, guide);
}
for (list = guides; list; list = list->next)
{
guide = (GuideInfo *) list->data;
gimp_image_delete_guide (image_ID, guide->ID);
}
/* if rotation is not 180 degrees, resize the image */
/* Do it now after the guides are removed, since */
/* gimp_image_resize() moves the guides. */
if (rotvals.angle != 2)
gimp_image_resize (image_ID, height, width, 0, 0);
/* add the guides back to the image */
if (guides)
{
switch (rotvals.angle)
{
case 1:
for (list = guides; list; list = list->next)
{
guide = (GuideInfo *)list->data;
if (guide->orientation == GIMP_ORIENTATION_HORIZONTAL)
gimp_image_add_vguide (image_ID, height - guide->position);
else
gimp_image_add_hguide (image_ID, guide->position);
g_free (guide);
}
break;
case 2:
for (list = guides; list; list = list->next)
{
guide = (GuideInfo *)list->data;
if (guide->orientation == GIMP_ORIENTATION_HORIZONTAL)
gimp_image_add_hguide (image_ID, height - guide->position);
else
gimp_image_add_vguide (image_ID, width - guide->position);
g_free (guide);
}
break;
case 3:
for (list = guides; list; list = list->next)
{
guide = (GuideInfo *)list->data;
if (guide->orientation == GIMP_ORIENTATION_HORIZONTAL)
gimp_image_add_vguide (image_ID, guide->position);
else
gimp_image_add_hguide (image_ID, width - guide->position);
g_free (guide);
}
break;
default:
break;
}
g_list_free (guides);
}
}
else /* rotate only the active layer */
{
/* check for active selection and float it */
if (! gimp_selection_is_empty (image_ID) &&
! gimp_layer_is_floating_sel (active_drawable->drawable_id))
{
active_drawable =
gimp_drawable_get (gimp_selection_float (image_ID,
active_drawable->drawable_id,
0, 0));
}
rotate_drawable (active_drawable);
gimp_drawable_detach (active_drawable);
}
gimp_image_undo_group_end (image_ID);
return;
}
