[docs] Add gtkdoc comments to hb-blob

This commit is contained in:
Nathan Willis 2019-04-21 20:31:31 +01:00 committed by Khaled Hosny
parent 4cdb12a3fa
commit d13b7eaaf1
2 changed files with 53 additions and 30 deletions

View File

@ -156,7 +156,7 @@ hb_blob_create_sub_blob (hb_blob_t *parent,
*
* Makes a writable copy of @blob.
*
* Return value: New blob, or nullptr if allocation failed.
* Return value: The new blob, or nullptr if allocation failed
*
* Since: 1.8.0
**/
@ -182,7 +182,7 @@ hb_blob_copy_writable_or_fail (hb_blob_t *blob)
*
* See TODO:link object types for more information.
*
* Return value: (transfer full): the empty blob.
* Return value: (transfer full): The empty blob.
*
* Since: 0.9.2
**/
@ -234,13 +234,15 @@ hb_blob_destroy (hb_blob_t *blob)
/**
* hb_blob_set_user_data: (skip)
* @blob: a blob.
* @key: key for data to set.
* @data: data to set.
* @destroy: callback to call when @data is not needed anymore.
* @replace: whether to replace an existing data with the same key.
* @blob: a blob
* @key: The user-data key to set
* @data: A pointer to the user data to set
* @destroy: A callback to call when @data is not needed anymore
* @replace: Whether to replace an existing data with the same key
*
* Return value:
* Attaches a user-data key/data pair to the specified blob.
*
* Return value: %true if success, false otherwise
*
* Since: 0.9.2
**/
@ -256,12 +258,13 @@ hb_blob_set_user_data (hb_blob_t *blob,
/**
* hb_blob_get_user_data: (skip)
* @blob: a blob.
* @key: key for data to get.
* @blob: a blob
* @key: The user-data key to query
*
* Fetches the user data associated with the specified key,
* attached to the specified font-functions structure.
*
*
* Return value: (transfer none):
* Return value: (transfer none): A pointer to the user data
*
* Since: 0.9.2
**/
@ -275,9 +278,9 @@ hb_blob_get_user_data (hb_blob_t *blob,
/**
* hb_blob_make_immutable:
* @blob: a blob.
*
* @blob: a blob
*
* Makes a blob immutable.
*
* Since: 0.9.2
**/
@ -294,9 +297,9 @@ hb_blob_make_immutable (hb_blob_t *blob)
* hb_blob_is_immutable:
* @blob: a blob.
*
* Tests whether a blob is immutable.
*
*
* Return value: TODO
* Return value: %true if @blob is immutable, false otherwise
*
* Since: 0.9.2
**/
@ -311,9 +314,9 @@ hb_blob_is_immutable (hb_blob_t *blob)
* hb_blob_get_length:
* @blob: a blob.
*
* Fetches the length of a blob's data.
*
*
* Return value: the length of blob data in bytes.
* Return value: the length of @blob data in bytes.
*
* Since: 0.9.2
**/
@ -326,9 +329,9 @@ hb_blob_get_length (hb_blob_t *blob)
/**
* hb_blob_get_data:
* @blob: a blob.
* @length: (out):
*
* @length: (out): The length in bytes of the data retrieved
*
* Fetches the data from a blob.
*
* Returns: (transfer none) (array length=length):
*
@ -558,7 +561,10 @@ _open_resource_fork (const char *file_name, hb_mapped_file_t *file)
/**
* hb_blob_create_from_file:
* @file_name: font filename.
* @file_name: A font filename
*
* Creates a new blob containing the data from the
* specified binary font file.
*
* Returns: A hb_blob_t pointer with the content of the file
*

View File

@ -36,25 +36,34 @@
HB_BEGIN_DECLS
/*
* Note re various memory-modes:
/**
* hb_memory_mode_t:
* @HB_MEMORY_MODE_DUPLICATE
* @HB_MEMORY_MODE_READONLY
* @HB_MEMORY_MODE_WRITABLE
* @HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE
*
* Data type holding the memory modes available to
* client programs.
*
* Regarding these various memory-modes:
*
* - In no case shall the HarfBuzz client modify memory
* that is passed to HarfBuzz in a blob. If there is
* any such possibility, MODE_DUPLICATE should be used
* any such possibility, @HB_MEMORY_MODE_DUPLICATE should be used
* such that HarfBuzz makes a copy immediately,
*
* - Use MODE_READONLY otherwise, unless you really really
* - Use @HB_MEMORY_MODE_READONLY otherwise, unless you really really
* really know what you are doing,
*
* - MODE_WRITABLE is appropriate if you really made a
* - @HB_MEMORY_MODE_WRITABLE is appropriate if you really made a
* copy of data solely for the purpose of passing to
* HarfBuzz and doing that just once (no reuse!),
*
* - If the font is mmap()ed, it's ok to use
* READONLY_MAY_MAKE_WRITABLE, however, using that mode
* correctly is very tricky. Use MODE_READONLY instead.
*/
* - If the font is mmap()ed, it's okay to use
* @HB_MEMORY_READONLY_MAY_MAKE_WRITABLE, however, using that mode
* correctly is very tricky. Use @HB_MEMORY_MODE_READONLY instead.
**/
typedef enum {
HB_MEMORY_MODE_DUPLICATE,
HB_MEMORY_MODE_READONLY,
@ -62,6 +71,14 @@ typedef enum {
HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE
} hb_memory_mode_t;
/**
* hb_blob_t:
*
* Data type for blobs. A blob wraps a chunk of binary
* data and facilitates its lifecycle management between
* a client program and HarfBuzz.
*
**/
typedef struct hb_blob_t hb_blob_t;
HB_EXTERN hb_blob_t *