/**
* hb_buffer_serialize_list_formats:
*
- * Returns a list of supported buffer serialization formats.
+ *
*
* Return value: (transfer none):
- * A string array of buffer serialization formats. Should not be freed.
*
- * Since: 0.9.7
+ * Since: 1.0
**/
const char **
hb_buffer_serialize_list_formats (void)
/**
* hb_buffer_serialize_format_from_string:
- * @str: (array length=len) (element-type uint8_t): a string to parse
- * @len: length of @str, or -1 if string is %NULL terminated
+ * @str:
+ * @len:
*
- * Parses a string into an #hb_buffer_serialize_format_t. Does not check if
- * @str is a valid buffer serialization format, use
- * hb_buffer_serialize_list_formats() to get the list of supported formats.
+ *
*
* Return value:
- * The parsed #hb_buffer_serialize_format_t.
*
- * Since: 0.9.7
+ * Since: 1.0
**/
hb_buffer_serialize_format_t
hb_buffer_serialize_format_from_string (const char *str, int len)
/**
* hb_buffer_serialize_format_to_string:
- * @format: an #hb_buffer_serialize_format_t to convert.
+ * @format:
*
- * Converts @format to the string corresponding it, or %NULL if it is not a valid
- * #hb_buffer_serialize_format_t.
+ *
*
- * Return value: (transfer none):
- * A %NULL terminated string corresponding to @format. Should not be freed.
+ * Return value:
*
- * Since: 0.9.7
+ * Since: 1.0
**/
const char *
hb_buffer_serialize_format_to_string (hb_buffer_serialize_format_t format)
hb_buffer_serialize_flags_t flags)
{
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
- hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
- NULL : hb_buffer_get_glyph_positions (buffer, NULL);
+ hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
*buf_consumed = 0;
for (unsigned int i = start; i < end; i++)
pos[i].x_advance, pos[i].y_advance);
}
- if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
- {
- hb_glyph_extents_t extents;
- hb_font_get_glyph_extents(font, info[i].codepoint, &extents);
- p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"xb\":%d,\"yb\":%d",
- extents.x_bearing, extents.y_bearing));
- p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",\"w\":%d,\"h\":%d",
- extents.width, extents.height));
- }
-
*p++ = '}';
unsigned int l = p - b;
hb_buffer_serialize_flags_t flags)
{
hb_glyph_info_t *info = hb_buffer_get_glyph_infos (buffer, NULL);
- hb_glyph_position_t *pos = (flags & HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS) ?
- NULL : hb_buffer_get_glyph_positions (buffer, NULL);
+ hb_glyph_position_t *pos = hb_buffer_get_glyph_positions (buffer, NULL);
*buf_consumed = 0;
for (unsigned int i = start; i < end; i++)
p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), ",%d", pos[i].y_advance));
}
- if (flags & HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS)
- {
- hb_glyph_extents_t extents;
- hb_font_get_glyph_extents(font, info[i].codepoint, &extents);
- p += MAX (0, snprintf (p, ARRAY_LENGTH (b) - (p - b), "<%d,%d,%d,%d>", extents.x_bearing, extents.y_bearing, extents.width, extents.height));
- }
-
unsigned int l = p - b;
if (buf_size > l)
{
return end - start;
}
+/* Returns number of items, starting at start, that were serialized. */
/**
* hb_buffer_serialize_glyphs:
- * @buffer: an #hb_buffer_t buffer.
- * @start: the first item in @buffer to serialize.
- * @end: the last item in @buffer to serialize.
- * @buf: (out) (array length=buf_size) (element-type uint8_t): output string to
- * write serialized buffer into.
- * @buf_size: the size of @buf.
- * @buf_consumed: (out) (allow-none): if not %NULL, will be set to the number of byes written into @buf.
- * @font: (allow-none): the #hb_font_t used to shape this buffer, needed to
- * read glyph names and extents. If %NULL, and empty font will be used.
- * @format: the #hb_buffer_serialize_format_t to use for formatting the output.
- * @flags: the #hb_buffer_serialize_flags_t that control what glyph properties
- * to serialize.
- *
- * Serializes @buffer into a textual representation of its glyph content,
- * useful for showing the contents of the buffer, for example during debugging.
- * There are currently two supported serialization formats:
- *
- * ## text
- * A human-readable, plain text format.
- * The serialized glyphs will look something like:
- *
- * ```
- * [uni0651=0@518,0+0|uni0628=0+1897]
- * ```
- * - The serialized glyphs are delimited with `[` and `]`.
- * - Glyphs are separated with `|`
- * - Each glyph starts with glyph name, or glyph index if
- * #HB_BUFFER_SERIALIZE_FLAG_NO_GLYPH_NAMES flag is set. Then,
- * - If #HB_BUFFER_SERIALIZE_FLAG_NO_CLUSTERS is not set, `=` then #hb_glyph_info_t.cluster.
- * - If #HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS is not set, the #hb_glyph_position_t in the format:
- * - If both #hb_glyph_position_t.x_offset and #hb_glyph_position_t.y_offset are not 0, `@x_offset,y_offset`. Then,
- * - `+x_advance`, then `,y_advance` if #hb_glyph_position_t.y_advance is not 0. Then,
- * - If #HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS is set, the
- * #hb_glyph_extents_t in the format
- * `<x_bearing,y_bearing,width,height>`
+ * @buffer: a buffer.
+ * @start:
+ * @end:
+ * @buf: (array length=buf_size):
+ * @buf_size:
+ * @buf_consumed: (out):
+ * @font:
+ * @format:
+ * @flags:
*
- * ## json
- * TODO.
+ *
*
* Return value:
- * The number of serialized items.
*
- * Since: 0.9.7
+ * Since: 1.0
**/
unsigned int
hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
unsigned int end,
char *buf,
unsigned int buf_size,
- unsigned int *buf_consumed,
- hb_font_t *font,
+ unsigned int *buf_consumed, /* May be NULL */
+ hb_font_t *font, /* May be NULL */
hb_buffer_serialize_format_t format,
hb_buffer_serialize_flags_t flags)
{
assert ((!buffer->len && buffer->content_type == HB_BUFFER_CONTENT_TYPE_INVALID) ||
buffer->content_type == HB_BUFFER_CONTENT_TYPE_GLYPHS);
- if (!buffer->have_positions)
- flags |= HB_BUFFER_SERIALIZE_FLAG_NO_POSITIONS;
-
if (unlikely (start == end))
return 0;
/**
* hb_buffer_deserialize_glyphs:
- * @buffer: an #hb_buffer_t buffer.
+ * @buffer: a buffer.
* @buf: (array length=buf_len):
* @buf_len:
* @end_ptr: (out):
*
* Return value:
*
- * Since: 0.9.7
+ * Since: 1.0
**/
hb_bool_t
hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
projects / platform / upstream / harfbuzz.git / blobdiff