[docs] Add gtkdoc comments to hb-blob
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Nathan Willis
Khaled Hosny
parent
4cdb12a3fa
commit
d13b7eaaf1
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@ -156,7 +156,7 @@ hb_blob_create_sub_blob (hb_blob_t *parent,
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*
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* Makes a writable copy of @blob.
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*
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* Return value: New blob, or nullptr if allocation failed.
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* Return value: The new blob, or nullptr if allocation failed
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*
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* Since: 1.8.0
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**/
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@ -182,7 +182,7 @@ hb_blob_copy_writable_or_fail (hb_blob_t *blob)
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*
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* See TODO:link object types for more information.
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*
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* Return value: (transfer full): the empty blob.
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* Return value: (transfer full): The empty blob.
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*
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* Since: 0.9.2
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**/
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@ -234,13 +234,15 @@ hb_blob_destroy (hb_blob_t *blob)
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/**
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* hb_blob_set_user_data: (skip)
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* @blob: a blob.
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* @key: key for data to set.
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* @data: data to set.
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* @destroy: callback to call when @data is not needed anymore.
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* @replace: whether to replace an existing data with the same key.
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* @blob: a blob
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* @key: The user-data key to set
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* @data: A pointer to the user data to set
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* @destroy: A callback to call when @data is not needed anymore
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* @replace: Whether to replace an existing data with the same key
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*
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* Return value:
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* Attaches a user-data key/data pair to the specified blob.
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*
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* Return value: %true if success, false otherwise
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*
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* Since: 0.9.2
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**/
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@ -256,12 +258,13 @@ hb_blob_set_user_data (hb_blob_t *blob,
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/**
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* hb_blob_get_user_data: (skip)
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* @blob: a blob.
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* @key: key for data to get.
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* @blob: a blob
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* @key: The user-data key to query
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*
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* Fetches the user data associated with the specified key,
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* attached to the specified font-functions structure.
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*
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*
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* Return value: (transfer none):
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* Return value: (transfer none): A pointer to the user data
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*
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* Since: 0.9.2
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**/
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@ -275,9 +278,9 @@ hb_blob_get_user_data (hb_blob_t *blob,
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/**
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* hb_blob_make_immutable:
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* @blob: a blob.
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*
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* @blob: a blob
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*
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* Makes a blob immutable.
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*
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* Since: 0.9.2
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**/
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@ -294,9 +297,9 @@ hb_blob_make_immutable (hb_blob_t *blob)
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* hb_blob_is_immutable:
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* @blob: a blob.
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*
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* Tests whether a blob is immutable.
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*
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*
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* Return value: TODO
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* Return value: %true if @blob is immutable, false otherwise
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*
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* Since: 0.9.2
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**/
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@ -311,9 +314,9 @@ hb_blob_is_immutable (hb_blob_t *blob)
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* hb_blob_get_length:
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* @blob: a blob.
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*
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* Fetches the length of a blob's data.
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*
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*
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* Return value: the length of blob data in bytes.
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* Return value: the length of @blob data in bytes.
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*
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* Since: 0.9.2
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**/
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@ -326,9 +329,9 @@ hb_blob_get_length (hb_blob_t *blob)
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/**
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* hb_blob_get_data:
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* @blob: a blob.
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* @length: (out):
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*
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* @length: (out): The length in bytes of the data retrieved
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*
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* Fetches the data from a blob.
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*
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* Returns: (transfer none) (array length=length):
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*
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@ -558,7 +561,10 @@ _open_resource_fork (const char *file_name, hb_mapped_file_t *file)
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/**
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* hb_blob_create_from_file:
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* @file_name: font filename.
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* @file_name: A font filename
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*
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* Creates a new blob containing the data from the
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* specified binary font file.
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*
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* Returns: A hb_blob_t pointer with the content of the file
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*
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@ -36,25 +36,34 @@
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HB_BEGIN_DECLS
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/*
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* Note re various memory-modes:
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/**
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* hb_memory_mode_t:
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* @HB_MEMORY_MODE_DUPLICATE
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* @HB_MEMORY_MODE_READONLY
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* @HB_MEMORY_MODE_WRITABLE
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* @HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE
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*
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* Data type holding the memory modes available to
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* client programs.
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*
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* Regarding these various memory-modes:
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*
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* - In no case shall the HarfBuzz client modify memory
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* that is passed to HarfBuzz in a blob. If there is
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* any such possibility, MODE_DUPLICATE should be used
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* any such possibility, @HB_MEMORY_MODE_DUPLICATE should be used
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* such that HarfBuzz makes a copy immediately,
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*
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* - Use MODE_READONLY otherwise, unless you really really
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* - Use @HB_MEMORY_MODE_READONLY otherwise, unless you really really
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* really know what you are doing,
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*
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* - MODE_WRITABLE is appropriate if you really made a
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* - @HB_MEMORY_MODE_WRITABLE is appropriate if you really made a
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* copy of data solely for the purpose of passing to
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* HarfBuzz and doing that just once (no reuse!),
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*
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* - If the font is mmap()ed, it's ok to use
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* READONLY_MAY_MAKE_WRITABLE, however, using that mode
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* correctly is very tricky. Use MODE_READONLY instead.
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*/
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* - If the font is mmap()ed, it's okay to use
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* @HB_MEMORY_READONLY_MAY_MAKE_WRITABLE, however, using that mode
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* correctly is very tricky. Use @HB_MEMORY_MODE_READONLY instead.
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**/
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typedef enum {
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HB_MEMORY_MODE_DUPLICATE,
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HB_MEMORY_MODE_READONLY,
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@ -62,6 +71,14 @@ typedef enum {
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HB_MEMORY_MODE_READONLY_MAY_MAKE_WRITABLE
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} hb_memory_mode_t;
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/**
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* hb_blob_t:
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*
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* Data type for blobs. A blob wraps a chunk of binary
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* data and facilitates its lifecycle management between
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* a client program and HarfBuzz.
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*
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**/
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typedef struct hb_blob_t hb_blob_t;
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HB_EXTERN hb_blob_t *
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