/**
* _cairo_array_append:
*
* Append a single item onto the array by growing the array by at
* least one element, then copying element_size bytes from @element
* into the array. The address of the resulting object within the
* array can be determined with:
*
* _cairo_array_index (array, _cairo_array_num_elements (array) - 1);
*
* Return value: %CAIRO_STATUS_SUCCESS if successful or
* %CAIRO_STATUS_NO_MEMORY if insufficient memory is available for the
* operation.
**/
cairo_status_t
_cairo_array_append (cairo_array_t *array,
const void *element)
{
assert (! array->is_snapshot);
return _cairo_array_append_multiple (array, element, 1);
}
static cairo_status_t
cairo_truetype_font_write (cairo_truetype_font_t *font,
const void *data,
size_t length)
{
cairo_status_t status;
status = _cairo_array_append_multiple (&font->output, data, length);
if (status)
return status;
return CAIRO_STATUS_SUCCESS;
}
static void
cairo_truetype_font_write (cairo_truetype_font_t *font,
const void *data,
size_t length)
{
cairo_status_t status;
if (font->status)
return;
status = _cairo_array_append_multiple (&font->output, data, length);
if (unlikely (status))
status = _cairo_truetype_font_set_error (font, status);
}
cairo_status_t
_cairo_user_data_array_copy (cairo_user_data_array_t *dst,
const cairo_user_data_array_t *src)
{
/* discard any existing user-data */
if (dst->num_elements != 0) {
_cairo_user_data_array_fini (dst);
_cairo_user_data_array_init (dst);
}
return _cairo_array_append_multiple (dst,
_cairo_array_index_const (src, 0),
src->num_elements);
}
cairo_status_t
_cairo_user_data_array_copy (cairo_user_data_array_t *dst,
cairo_user_data_array_t *src)
{
/* discard any existing user-data */
if (dst->num_elements != 0) {
_cairo_user_data_array_fini (dst);
_cairo_user_data_array_init (dst);
}
if (src->num_elements == 0)
return CAIRO_STATUS_SUCCESS;
return _cairo_array_append_multiple (dst,
_cairo_array_index (src, 0),
src->num_elements);
}
/* Before calling this function, the caller must allocate sufficient
* space in data (see _cairo_array_grow_by). The maximum number of
* bytes that will be used is 2.
*/
static void
charstring_encode_command (cairo_array_t *data, int command)
{
cairo_status_t status;
int orig_size;
unsigned char buf[5];
unsigned char *p = buf;
if (command & 0xff00)
*p++ = command >> 8;
*p++ = command & 0x00ff;
/* Ensure the array doesn't grow, which allows this function to
* have no possibility of failure. */
orig_size = _cairo_array_size (data);
status = _cairo_array_append_multiple (data, buf, p - buf);
assert (status == CAIRO_STATUS_SUCCESS);
assert (_cairo_array_size (data) == orig_size);
}
/**
* _cairo_array_append:
* @array: a #cairo_array_t
*
* Append a single item onto the array by growing the array by at
* least one element, then copying element_size bytes from @element
* into the array. The address of the resulting object within the
* array can be determined with:
*
* _cairo_array_index (array, _cairo_array_num_elements (array) - 1);
*
* Return value: %CAIRO_STATUS_SUCCESS if successful or
* %CAIRO_STATUS_NO_MEMORY if insufficient memory is available for the
* operation.
**/
cairo_status_t
_cairo_array_append (cairo_array_t *array,
const void *element)
{
return _cairo_array_append_multiple (array, element, 1);
}