Offsets(uint_t _key_len, uint_t _val_len, uint_t _reprobe_limit) :
key_len(_key_len),
val_len(_val_len),
reprobe_limit(_reprobe_limit),
reprobe_len(bitsize(reprobe_limit)),
lval_len(key_len + val_len - reprobe_len),
block(compute_offsets()),
bld(block.len)
{ }
void init(uint_t _key_len, uint_t _val_len, uint_t _reprobe_limit) {
key_len = _key_len;
val_len = _val_len;
reprobe_limit = _reprobe_limit;
reprobe_len = bitsize(_reprobe_limit);
lval_len = key_len + val_len - reprobe_len;
compute_offsets();
bld = divisor64(block_len);
}
static int
write_object(TERMTYPE *tp, char *buffer, unsigned *offset, unsigned limit)
{
char *namelist;
size_t namelen, boolmax, nummax, strmax;
char zero = '\0';
size_t i;
short nextfree;
short offsets[MAX_ENTRY_SIZE / 2];
unsigned char buf[MAX_ENTRY_SIZE];
unsigned last_bool = BOOLWRITE;
unsigned last_num = NUMWRITE;
unsigned last_str = STRWRITE;
#if NCURSES_XNAMES
/*
* Normally we limit the list of values to exclude the "obsolete"
* capabilities. However, if we are accepting extended names, add
* these as well, since they are used for supporting translation
* to/from termcap.
*/
if (_nc_user_definable) {
last_bool = BOOLCOUNT;
last_num = NUMCOUNT;
last_str = STRCOUNT;
}
#endif
namelist = tp->term_names;
namelen = strlen(namelist) + 1;
boolmax = 0;
for (i = 0; i < last_bool; i++) {
if (tp->Booleans[i] == TRUE)
boolmax = i + 1;
}
nummax = 0;
for (i = 0; i < last_num; i++) {
if (tp->Numbers[i] != ABSENT_NUMERIC)
nummax = i + 1;
}
strmax = 0;
for (i = 0; i < last_str; i++) {
if (tp->Strings[i] != ABSENT_STRING)
strmax = i + 1;
}
nextfree = compute_offsets(tp->Strings, strmax, offsets);
/* fill in the header */
LITTLE_ENDIAN(buf, MAGIC);
LITTLE_ENDIAN(buf + 2, min(namelen, MAX_NAME_SIZE + 1));
LITTLE_ENDIAN(buf + 4, boolmax);
LITTLE_ENDIAN(buf + 6, nummax);
LITTLE_ENDIAN(buf + 8, strmax);
LITTLE_ENDIAN(buf + 10, nextfree);
/* write out the header */
TRACE_OUT(("Header of %s @%d", namelist, *offset));
if (Write(buf, 12, 1) != 1
|| Write(namelist, sizeof(char), namelen) != namelen)
return (ERR);
for (i = 0; i < boolmax; i++)
if (tp->Booleans[i] == TRUE)
buf[i] = TRUE;
else
buf[i] = FALSE;
if (Write(buf, sizeof(char), boolmax) != boolmax)
return (ERR);
if (even_boundary(namelen + boolmax))
return (ERR);
TRACE_OUT(("Numerics begin at %04x", *offset));
/* the numerics */
convert_shorts(buf, tp->Numbers, nummax);
if (Write(buf, 2, nummax) != nummax)
return (ERR);
TRACE_OUT(("String offsets begin at %04x", *offset));
/* the string offsets */
convert_shorts(buf, offsets, strmax);
if (Write(buf, 2, strmax) != strmax)
return (ERR);
TRACE_OUT(("String table begins at %04x", *offset));
/* the strings */
for (i = 0; i < strmax; i++)
if (VALID_STRING(tp->Strings[i]))
if (!WRITE_STRING(tp->Strings[i]))
return (ERR);
#if NCURSES_XNAMES
if (extended_object(tp)) {
unsigned extcnt = NUM_EXT_NAMES(tp);
if (even_boundary(nextfree))
return (ERR);
nextfree = compute_offsets(tp->Strings + STRCOUNT,
tp->ext_Strings,
offsets);
TRACE_OUT(("after extended string capabilities, nextfree=%d", nextfree));
if (tp->ext_Strings >= SIZEOF(offsets))
return (ERR);
nextfree += compute_offsets(tp->ext_Names,
extcnt,
offsets + tp->ext_Strings);
TRACE_OUT(("after extended capnames, nextfree=%d", nextfree));
strmax = tp->ext_Strings + extcnt;
/*
* Write the extended header
*/
LITTLE_ENDIAN(buf + 0, tp->ext_Booleans);
LITTLE_ENDIAN(buf + 2, tp->ext_Numbers);
LITTLE_ENDIAN(buf + 4, tp->ext_Strings);
LITTLE_ENDIAN(buf + 6, strmax);
LITTLE_ENDIAN(buf + 8, nextfree);
TRACE_OUT(("WRITE extended-header @%d", *offset));
if (Write(buf, 10, 1) != 1)
return (ERR);
TRACE_OUT(("WRITE %d booleans @%d", tp->ext_Booleans, *offset));
if (tp->ext_Booleans
&& Write(tp->Booleans + BOOLCOUNT, sizeof(char),
tp->ext_Booleans) != tp->ext_Booleans)
return (ERR);
if (even_boundary(tp->ext_Booleans))
return (ERR);
TRACE_OUT(("WRITE %d numbers @%d", tp->ext_Numbers, *offset));
if (tp->ext_Numbers) {
convert_shorts(buf, tp->Numbers + NUMCOUNT, tp->ext_Numbers);
if (Write(buf, 2, tp->ext_Numbers) != tp->ext_Numbers)
return (ERR);
}
/*
* Convert the offsets for the ext_Strings and ext_Names tables,
* in that order.
*/
convert_shorts(buf, offsets, strmax);
TRACE_OUT(("WRITE offsets @%d", *offset));
if (Write(buf, 2, strmax) != strmax)
return (ERR);
/*
* Write the string table after the offset tables so we do not
* have to do anything about alignment.
*/
for (i = 0; i < tp->ext_Strings; i++) {
if (VALID_STRING(tp->Strings[i + STRCOUNT])) {
TRACE_OUT(("WRITE ext_Strings[%d]=%s", (int) i,
_nc_visbuf(tp->Strings[i + STRCOUNT])));
if (!WRITE_STRING(tp->Strings[i + STRCOUNT]))
return (ERR);
}
}
/*
* Write the extended names
*/
for (i = 0; i < extcnt; i++) {
TRACE_OUT(("WRITE ext_Names[%d]=%s", (int) i, tp->ext_Names[i]));
if (!WRITE_STRING(tp->ext_Names[i]))
return (ERR);
}
}
#endif /* NCURSES_XNAMES */
total_written++;
return (OK);
}
/**
* gimp_image_arrange_objects:
* @image: The #GimpImage to which the objects belong.
* @list: A #GList of objects to be aligned.
* @alignment: The point on each target object to bring into alignment.
* @reference: The #GObject to align the targets with, or #NULL.
* @reference_alignment: The point on the reference object to align the target item with..
* @offset: How much to shift the target from perfect alignment..
*
* This function shifts the positions of a set of target objects, which can be
* "items" or guides, to bring them into a specified type of alignment with a
* reference object, which can be an item, guide, or image. If the requested
* alignment does not make sense (i.e., trying to align a vertical guide vertically),
* nothing happens and no error message is generated.
*
* The objects in the list are sorted into increasing order before
* being arranged, where the order is defined by the type of alignment
* being requested. If the @reference argument is #NULL, then the first
* object in the sorted list is used as reference.
*
* When there are multiple target objects, they are arranged so that the spacing
* between consecutive ones is given by the argument @offset.
*/
void
gimp_image_arrange_objects (GimpImage *image,
GList *list,
GimpAlignmentType alignment,
GObject *reference,
GimpAlignmentType reference_alignment,
gint offset)
{
gboolean do_x = FALSE;
gboolean do_y = FALSE;
gint z0 = 0;
GList *object_list;
g_return_if_fail (GIMP_IS_IMAGE (image));
g_return_if_fail (G_IS_OBJECT (reference) || reference == NULL);
/* get offsets used for sorting */
switch (alignment)
{
/* order vertically for horizontal alignment */
case GIMP_ALIGN_LEFT:
case GIMP_ALIGN_HCENTER:
case GIMP_ALIGN_RIGHT:
do_x = TRUE;
compute_offsets (list, GIMP_ALIGN_TOP);
break;
/* order horizontally for horizontal arrangement */
case GIMP_ARRANGE_LEFT:
case GIMP_ARRANGE_HCENTER:
case GIMP_ARRANGE_RIGHT:
do_x = TRUE;
compute_offsets (list, alignment);
break;
/* order horizontally for vertical alignment */
case GIMP_ALIGN_TOP:
case GIMP_ALIGN_VCENTER:
case GIMP_ALIGN_BOTTOM:
do_y = TRUE;
compute_offsets (list, GIMP_ALIGN_LEFT);
break;
/* order vertically for vertical arrangement */
case GIMP_ARRANGE_TOP:
case GIMP_ARRANGE_VCENTER:
case GIMP_ARRANGE_BOTTOM:
do_y = TRUE;
compute_offsets (list, alignment);
break;
}
object_list = sort_by_offset (list);
/* now get offsets used for aligning */
compute_offsets (list, alignment);
if (reference == NULL)
{
reference = G_OBJECT (object_list->data);
object_list = g_list_next (object_list);
}
else
compute_offset (reference, reference_alignment);
z0 = GPOINTER_TO_INT (g_object_get_data (reference, "align-offset"));
if (object_list)
{
GList *l;
gint n;
/* FIXME: undo group type is wrong */
gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_ITEM_DISPLACE,
C_("undo-type", "Arrange Objects"));
for (l = object_list, n = 1; l; l = g_list_next (l), n++)
{
GObject *target = G_OBJECT (l->data);
gint xtranslate = 0;
gint ytranslate = 0;
gint z1;
z1 = GPOINTER_TO_INT (g_object_get_data (target,
"align-offset"));
if (do_x)
xtranslate = z0 - z1 + n * offset;
if (do_y)
ytranslate = z0 - z1 + n * offset;
/* now actually align the target object */
if (GIMP_IS_ITEM (target))
{
gimp_item_translate (GIMP_ITEM (target),
xtranslate, ytranslate, TRUE);
}
else if (GIMP_IS_GUIDE (target))
{
GimpGuide *guide = GIMP_GUIDE (target);
switch (gimp_guide_get_orientation (guide))
{
case GIMP_ORIENTATION_VERTICAL:
gimp_image_move_guide (image, guide, z1 + xtranslate, TRUE);
break;
case GIMP_ORIENTATION_HORIZONTAL:
gimp_image_move_guide (image, guide, z1 + ytranslate, TRUE);
break;
default:
break;
}
}
}
gimp_image_undo_group_end (image);
}
g_list_free (object_list);
}
