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authorEvan Nemerson <evan@nemerson.com>2014-05-30 19:21:11 -0700
committerEvan Nemerson <evan@nemerson.com>2014-10-16 13:09:34 -0700
commitfa6ded9b0d065634481d8ae4126fdea0b88e3558 (patch)
tree151efb6762bf467ada2ac104770fdefd293b7248 /pango
parentadb5a4e86b09b0935ec1dd71bf05ac41807c84a2 (diff)
downloadpango-fa6ded9b0d065634481d8ae4126fdea0b88e3558.tar.gz
Add many missing nullability annotations.
https://bugzilla.gnome.org/show_bug.cgi?id=731022
Diffstat (limited to 'pango')
-rw-r--r--pango/break.c2
-rw-r--r--pango/fonts.c49
-rw-r--r--pango/glyphstring.c20
-rw-r--r--pango/modules.c4
-rw-r--r--pango/pango-attributes.c22
-rw-r--r--pango/pango-color.c13
-rw-r--r--pango/pango-context.c15
-rw-r--r--pango/pango-coverage.c4
-rw-r--r--pango/pango-engine.h20
-rw-r--r--pango/pango-fontmap.c8
-rw-r--r--pango/pango-glyph-item.c12
-rw-r--r--pango/pango-gravity.c2
-rw-r--r--pango/pango-item.c10
-rw-r--r--pango/pango-language.c22
-rw-r--r--pango/pango-layout.c47
-rw-r--r--pango/pango-matrix.c16
-rw-r--r--pango/pango-ot-buffer.c6
-rw-r--r--pango/pango-ot-info.c13
-rw-r--r--pango/pango-ot-ruleset.c6
-rw-r--r--pango/pango-ot-tag.c2
-rw-r--r--pango/pango-ot.h13
-rw-r--r--pango/pango-renderer.c21
-rw-r--r--pango/pango-renderer.h5
-rw-r--r--pango/pango-utils.c16
-rw-r--r--pango/pangocairo-context.c19
-rw-r--r--pango/pangocairo-font.c2
-rw-r--r--pango/pangocairo-fontmap.c10
-rw-r--r--pango/pangofc-font.c6
-rw-r--r--pango/pangofc-font.h13
-rw-r--r--pango/pangofc-fontmap.c4
-rw-r--r--pango/pangofc-fontmap.h30
-rw-r--r--pango/pangoft2-render.c3
-rw-r--r--pango/pangoft2.c5
-rw-r--r--pango/pangowin32-fontcache.c8
-rw-r--r--pango/pangowin32.c3
-rw-r--r--pango/pangoxft-font.c5
-rw-r--r--pango/pangoxft-render.c3
37 files changed, 241 insertions, 218 deletions
diff --git a/pango/break.c b/pango/break.c
index 5f3c339a..1f4aafd7 100644
--- a/pango/break.c
+++ b/pango/break.c
@@ -468,7 +468,7 @@ typedef enum
* pango_default_break:
* @text: text to break
* @length: length of text in bytes (may be -1 if @text is nul-terminated)
- * @analysis: a #PangoAnalysis for the @text
+ * @analysis: (nullable): a #PangoAnalysis for the @text
* @attrs: logical attributes to fill in
* @attrs_len: size of the array passed as @attrs
*
diff --git a/pango/fonts.c b/pango/fonts.c
index d92a9033..52ef72df 100644
--- a/pango/fonts.c
+++ b/pango/fonts.c
@@ -164,9 +164,10 @@ pango_font_description_set_family_static (PangoFontDescription *desc,
* Gets the family name field of a font description. See
* pango_font_description_set_family().
*
- * Return value: the family name field for the font description, or
- * %NULL if not previously set. This has the same life-time
- * as the font description itself and should not be freed.
+ * Return value: (nullable): the family name field for the font
+ * description, or %NULL if not previously set. This
+ * has the same life-time as the font description itself
+ * and should not be freed.
**/
const char *
pango_font_description_get_family (const PangoFontDescription *desc)
@@ -669,13 +670,14 @@ pango_font_description_better_match (const PangoFontDescription *desc,
/**
* pango_font_description_copy:
- * @desc: a #PangoFontDescription, may be %NULL
+ * @desc: (nullable): a #PangoFontDescription, may be %NULL
*
* Make a copy of a #PangoFontDescription.
*
- * Return value: the newly allocated #PangoFontDescription, which should
- * be freed with pango_font_description_free(), or %NULL
- * if @desc was %NULL.
+ * Return value: (nullable): the newly allocated
+ * #PangoFontDescription, which should be freed with
+ * pango_font_description_free(), or %NULL if @desc was
+ * %NULL.
**/
PangoFontDescription *
pango_font_description_copy (const PangoFontDescription *desc)
@@ -700,16 +702,17 @@ pango_font_description_copy (const PangoFontDescription *desc)
/**
* pango_font_description_copy_static:
- * @desc: a #PangoFontDescription, may be %NULL
+ * @desc: (nullable): a #PangoFontDescription, may be %NULL
*
* Like pango_font_description_copy(), but only a shallow copy is made
* of the family name and other allocated fields. The result can only
* be used until @desc is modified or freed. This is meant to be used
* when the copy is only needed temporarily.
*
- * Return value: the newly allocated #PangoFontDescription, which should
- * be freed with pango_font_description_free(), or %NULL
- * if @desc was %NULL.
+ * Return value: (nullable): the newly allocated
+ * #PangoFontDescription, which should be freed with
+ * pango_font_description_free(), or %NULL if @desc was
+ * %NULL.
**/
PangoFontDescription *
pango_font_description_copy_static (const PangoFontDescription *desc)
@@ -810,7 +813,7 @@ pango_font_description_hash (const PangoFontDescription *desc)
/**
* pango_font_description_free:
- * @desc: a #PangoFontDescription, may be %NULL
+ * @desc: (nullable): a #PangoFontDescription, may be %NULL
*
* Frees a font description.
**/
@@ -1564,7 +1567,7 @@ pango_font_find_shaper (PangoFont *font,
/**
* pango_font_get_glyph_extents:
- * @font: a #PangoFont
+ * @font: (nullable): a #PangoFont
* @glyph: the glyph index
* @ink_rect: (out) (allow-none): rectangle used to store the extents of the glyph
* as drawn or %NULL to indicate that the result is not needed.
@@ -1612,7 +1615,7 @@ pango_font_get_glyph_extents (PangoFont *font,
/**
* pango_font_get_metrics:
- * @font: a #PangoFont
+ * @font: (nullable): a #PangoFont
* @language: (allow-none): language tag used to determine which script to get the metrics
* for, or %NULL to indicate to get the metrics for the entire font.
*
@@ -1652,7 +1655,7 @@ pango_font_get_metrics (PangoFont *font,
/**
* pango_font_get_font_map:
- * @font: a #PangoFont, or %NULL
+ * @font: (nullable): a #PangoFont, or %NULL
*
* Gets the font map for which the font was created.
*
@@ -1664,8 +1667,8 @@ pango_font_get_metrics (PangoFont *font,
* alive. In most uses this is not an issue as a #PangoContext holds
* a reference to the font map.
*
- * Return value: (transfer none): the #PangoFontMap for the font, or %NULL
- * if @font is %NULL.
+ * Return value: (transfer none) (nullable): the #PangoFontMap for the
+ * font, or %NULL if @font is %NULL.
*
* Since: 1.10
**/
@@ -1706,11 +1709,11 @@ pango_font_metrics_new (void)
/**
* pango_font_metrics_ref:
- * @metrics: a #PangoFontMetrics structure, may be %NULL
+ * @metrics: (nullable): a #PangoFontMetrics structure, may be %NULL
*
* Increase the reference count of a font metrics structure by one.
*
- * Return value: @metrics
+ * Return value: (nullable): @metrics
**/
PangoFontMetrics *
pango_font_metrics_ref (PangoFontMetrics *metrics)
@@ -1725,7 +1728,7 @@ pango_font_metrics_ref (PangoFontMetrics *metrics)
/**
* pango_font_metrics_unref:
- * @metrics: a #PangoFontMetrics structure, may be %NULL
+ * @metrics: (nullable): a #PangoFontMetrics structure, may be %NULL
*
* Decrease the reference count of a font metrics structure by one. If
* the result is zero, frees the structure and any associated
@@ -2073,9 +2076,9 @@ pango_font_face_get_face_name (PangoFontFace *face)
/**
* pango_font_face_list_sizes:
* @face: a #PangoFontFace.
- * @sizes: (out) (array length=n_sizes): location to store a pointer
- * to an array of int. This array should be freed with
- * g_free().
+ * @sizes: (out) (array length=n_sizes) (nullable) (optional):
+ * location to store a pointer to an array of int. This array
+ * should be freed with g_free().
* @n_sizes: location to store the number of elements in @sizes
*
* List the available sizes for a font. This is only applicable to bitmap
diff --git a/pango/glyphstring.c b/pango/glyphstring.c
index 651907a2..007f8a34 100644
--- a/pango/glyphstring.c
+++ b/pango/glyphstring.c
@@ -97,12 +97,12 @@ G_DEFINE_BOXED_TYPE (PangoGlyphString, pango_glyph_string,
/**
* pango_glyph_string_copy:
- * @string: a #PangoGlyphString, may be %NULL
+ * @string: (nullable): a #PangoGlyphString, may be %NULL
*
* Copy a glyph string and associated storage.
*
- * Return value: the newly allocated #PangoGlyphString, which
- * should be freed with pango_glyph_string_free(),
+ * Return value: (nullable): the newly allocated #PangoGlyphString,
+ * which should be freed with pango_glyph_string_free(),
* or %NULL if @string was %NULL.
*/
PangoGlyphString *
@@ -127,7 +127,7 @@ pango_glyph_string_copy (PangoGlyphString *string)
/**
* pango_glyph_string_free:
- * @string: a #PangoGlyphString, may be %NULL
+ * @string: (nullable): a #PangoGlyphString, may be %NULL
*
* Free a glyph string and associated storage.
*/
@@ -149,12 +149,12 @@ pango_glyph_string_free (PangoGlyphString *string)
* @end: end index (the range is the set of bytes with
indices such that start <= index < end)
* @font: a #PangoFont
- * @ink_rect: (out caller-allocates): rectangle used to store the
- * extents of the glyph string range as drawn or %NULL to
- * indicate that the result is not needed.
- * @logical_rect: (out caller-allocates): rectangle used to store the
- * logical extents of the glyph string range or %NULL to
- * indicate that the result is not needed.
+ * @ink_rect: (out caller-allocates) (optional): rectangle used to
+ * store the extents of the glyph string range as drawn or
+ * %NULL to indicate that the result is not needed.
+ * @logical_rect: (out caller-allocates) (optional): rectangle used to
+ * store the logical extents of the glyph string range or
+ * %NULL to indicate that the result is not needed.
*
* Computes the extents of a sub-portion of a glyph string. The extents are
* relative to the start of the glyph string range (the origin of their
diff --git a/pango/modules.c b/pango/modules.c
index 73935bdc..d8ff79c1 100644
--- a/pango/modules.c
+++ b/pango/modules.c
@@ -734,8 +734,8 @@ build_map (PangoMapInfo *info)
*
* Returns the best engine listed in the map for a given script
*
- * Return value: the best engine, if one is listed for the script,
- * or %NULL. The lookup may cause the engine to be loaded;
+ * Return value: (nullable): the best engine, if one is listed for the
+ * script, or %NULL. The lookup may cause the engine to be loaded;
* once an engine is loaded, it won't be unloaded. If multiple
* engines are exact for the script, the choice of which is
* returned is arbitrary.
diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c
index 9059b1de..09dcbbde 100644
--- a/pango/pango-attributes.c
+++ b/pango/pango-attributes.c
@@ -110,8 +110,8 @@ pango_attr_type_register (const gchar *name)
* The returned value is an interned string (see g_intern_string() for what
* that means) that should not be modified or freed.
*
- * Return value: the type ID name (which may be %NULL), or %NULL if @type is
- * a built-in Pango attribute type or invalid.
+ * Return value: (nullable): the type ID name (which may be %NULL), or
+ * %NULL if @type is a built-in Pango attribute type or invalid.
*
* Since: 1.22
**/
@@ -1132,7 +1132,7 @@ pango_attr_list_new (void)
/**
* pango_attr_list_ref:
- * @list: a #PangoAttrList, may be %NULL
+ * @list: (nullable): a #PangoAttrList, may be %NULL
*
* Increase the reference count of the given attribute list by one.
*
@@ -1153,7 +1153,7 @@ pango_attr_list_ref (PangoAttrList *list)
/**
* pango_attr_list_unref:
- * @list: a #PangoAttrList, may be %NULL
+ * @list: (nullable): a #PangoAttrList, may be %NULL
*
* Decrease the reference count of the given attribute list by one.
* If the result is zero, free the attribute list and the attributes
@@ -1188,11 +1188,11 @@ pango_attr_list_unref (PangoAttrList *list)
/**
* pango_attr_list_copy:
- * @list: a #PangoAttrList, may be %NULL
+ * @list (nullable): a #PangoAttrList, may be %NULL
*
* Copy @list and return an identical new list.
*
- * Return value: the newly allocated #PangoAttrList, with a
+ * Return value: (nullable): the newly allocated #PangoAttrList, with a
* reference count of one, which should
* be freed with pango_attr_list_unref().
* Returns %NULL if @list was %NULL.
@@ -1770,9 +1770,9 @@ pango_attr_iterator_destroy (PangoAttrIterator *iterator)
* the attribute whose range starts closest to the current location
* is used.
*
- * Return value: the current attribute of the given type, or %NULL if
- * no attribute of that type applies to the current
- * location.
+ * Return value: (nullable): the current attribute of the given type,
+ * or %NULL if no attribute of that type applies to the
+ * current location.
**/
PangoAttribute *
pango_attr_iterator_get (PangoAttrIterator *iterator,
@@ -1966,8 +1966,8 @@ pango_attr_iterator_get_font (PangoAttrIterator *iterator,
* of @list for which @func returns %TRUE and inserts them into
* a new list.
*
- * Return value: (transfer full): the new #PangoAttrList or %NULL if
- * no attributes of the given types were found.
+ * Return value: (transfer full) (nullable): the new #PangoAttrList or
+ * %NULL if no attributes of the given types were found.
*
* Since: 1.2
**/
diff --git a/pango/pango-color.c b/pango/pango-color.c
index e54eb0d3..47a98236 100644
--- a/pango/pango-color.c
+++ b/pango/pango-color.c
@@ -33,16 +33,16 @@ G_DEFINE_BOXED_TYPE (PangoColor, pango_color,
/**
* pango_color_copy:
- * @src: color to copy, may be %NULL
+ * @src: (nullable): color to copy, may be %NULL
*
* Creates a copy of @src, which should be freed with
* pango_color_free(). Primarily used by language bindings,
* not that useful otherwise (since colors can just be copied
* by assignment in C).
*
- * Return value: the newly allocated #PangoColor, which should
- * be freed with pango_color_free(), or %NULL
- * if @src was %NULL.
+ * Return value: (nullable): the newly allocated #PangoColor, which
+ * should be freed with pango_color_free(), or %NULL if
+ * @src was %NULL.
**/
PangoColor*
pango_color_copy (const PangoColor *src)
@@ -61,7 +61,7 @@ pango_color_copy (const PangoColor *src)
/**
* pango_color_free:
- * @color: an allocated #PangoColor, may be %NULL
+ * @color: (nullable): an allocated #PangoColor, may be %NULL
*
* Frees a color allocated by pango_color_copy().
**/
@@ -207,7 +207,8 @@ hex (const char *spec,
/**
* pango_color_parse:
- * @color: a #PangoColor structure in which to store the result, or %NULL
+ * @color: (nullable): a #PangoColor structure in which to store the
+ * result, or %NULL
* @spec: a string specifying the new color
*
* Fill in the fields of a color from a string specification. The
diff --git a/pango/pango-context.c b/pango/pango-context.c
index ff95b5c2..6f72653b 100644
--- a/pango/pango-context.c
+++ b/pango/pango-context.c
@@ -203,10 +203,9 @@ pango_context_set_matrix (PangoContext *context,
* Gets the transformation matrix that will be applied when
* rendering with this context. See pango_context_set_matrix().
*
- * Return value: the matrix, or %NULL if no matrix has been set
- * (which is the same as the identity matrix). The returned
- * matrix is owned by Pango and must not be modified or
- * freed.
+ * Return value: (nullable): the matrix, or %NULL if no matrix has
+ * been set (which is the same as the identity matrix). The returned
+ * matrix is owned by Pango and must not be modified or freed.
*
* Since: 1.6
**/
@@ -309,8 +308,8 @@ pango_context_list_families (PangoContext *context,
* Loads the font in one of the fontmaps in the context
* that is the closest match for @desc.
*
- * Returns: (transfer full): the newly allocated #PangoFont that
- * was loaded, or %NULL if no font matched.
+ * Returns: (transfer full) (nullable): the newly allocated #PangoFont
+ * that was loaded, or %NULL if no font matched.
**/
PangoFont *
pango_context_load_font (PangoContext *context,
@@ -331,8 +330,8 @@ pango_context_load_font (PangoContext *context,
* Load a set of fonts in the context that can be used to render
* a font matching @desc.
*
- * Returns: (transfer full): the newly allocated #PangoFontset loaded,
- * or %NULL if no font matched.
+ * Returns: (transfer full) (nullable): the newly allocated
+ * #PangoFontset loaded, or %NULL if no font matched.
**/
PangoFontset *
pango_context_load_fontset (PangoContext *context,
diff --git a/pango/pango-coverage.c b/pango/pango-coverage.c
index eccd4f99..80fded2b 100644
--- a/pango/pango-coverage.c
+++ b/pango/pango-coverage.c
@@ -457,8 +457,8 @@ pango_coverage_get_uint32 (guchar **ptr)
* Convert data generated from pango_coverage_to_bytes() back
* to a #PangoCoverage
*
- * Return value: (transfer full): a newly allocated #PangoCoverage, or
- * %NULL if the data was invalid.
+ * Return value: (transfer full) (nullable): a newly allocated
+ * #PangoCoverage, or %NULL if the data was invalid.
**/
PangoCoverage *
pango_coverage_from_bytes (guchar *bytes,
diff --git a/pango/pango-engine.h b/pango/pango-engine.h
index 0b8abbe3..dc146c00 100644
--- a/pango/pango-engine.h
+++ b/pango/pango-engine.h
@@ -114,12 +114,12 @@ struct _PangoEngineLang
/**
* PangoEngineLangClass:
- * @script_break: Provides a custom implementation of pango_break().
- * If %NULL, pango_default_break() is used instead. If not %NULL, for
- * Pango versions before 1.16 (module interface version before 1.6.0),
- * this was called instead of pango_default_break(), but in newer versions,
- * pango_default_break() is always called and this is called after that to
- * allow tailoring the breaking results.
+ * @script_break: (nullable): Provides a custom implementation of
+ * pango_break(). If %NULL, pango_default_break() is used instead. If
+ * not %NULL, for Pango versions before 1.16 (module interface version
+ * before 1.6.0), this was called instead of pango_default_break(),
+ * but in newer versions, pango_default_break() is always called and
+ * this is called after that to allow tailoring the breaking results.
*
* Class structure for #PangoEngineLang
**/
@@ -347,8 +347,8 @@ prefix ## _register_type (GTypeModule *module) \
* PANGO_ENGINE_LANG_DEFINE_TYPE:
* @name: Name of the the type to register (for example:, <literal>ArabicEngineFc</literal>
* @prefix: Prefix for symbols that will be defined (for example:, <literal>arabic_engine_fc</literal>
- * @class_init: Class initialization function for the new type, or %NULL
- * @instance_init: Instance initialization function for the new type, or %NULL
+ * @class_init: (nullable): Class initialization function for the new type, or %NULL
+ * @instance_init: (nullable): Instance initialization function for the new type, or %NULL
*
* Outputs the necessary code for GObject type registration for a
* #PangoEngineLang class defined in a module. Two static symbols
@@ -377,8 +377,8 @@ prefix ## _register_type (GTypeModule *module) \
* PANGO_ENGINE_SHAPE_DEFINE_TYPE:
* @name: Name of the the type to register (for example:, <literal>ArabicEngineFc</literal>
* @prefix: Prefix for symbols that will be defined (for example:, <literal>arabic_engine_fc</literal>
- * @class_init: Class initialization function for the new type, or %NULL
- * @instance_init: Instance initialization function for the new type, or %NULL
+ * @class_init: (nullable): Class initialization function for the new type, or %NULL
+ * @instance_init: (nullable): Instance initialization function for the new type, or %NULL
*
* Outputs the necessary code for GObject type registration for a
* #PangoEngineShape class defined in a module. Two static symbols
diff --git a/pango/pango-fontmap.c b/pango/pango-fontmap.c
index 50e23df0..2a2804b6 100644
--- a/pango/pango-fontmap.c
+++ b/pango/pango-fontmap.c
@@ -82,8 +82,8 @@ pango_font_map_create_context (PangoFontMap *fontmap)
*
* Load the font in the fontmap that is the closest match for @desc.
*
- * Returns: (transfer full): the newly allocated #PangoFont loaded,
- * or %NULL if no font matched.
+ * Returns: (transfer full) (nullable): the newly allocated #PangoFont
+ * loaded, or %NULL if no font matched.
**/
PangoFont *
pango_font_map_load_font (PangoFontMap *fontmap,
@@ -124,8 +124,8 @@ pango_font_map_list_families (PangoFontMap *fontmap,
* Load a set of fonts in the fontmap that can be used to render
* a font matching @desc.
*
- * Returns: (transfer full): the newly allocated #PangoFontset
- * loaded, or %NULL if no font matched.
+ * Returns: (transfer full) (nullable): the newly allocated
+ * #PangoFontset loaded, or %NULL if no font matched.
**/
PangoFontset *
pango_font_map_load_fontset (PangoFontMap *fontmap,
diff --git a/pango/pango-glyph-item.c b/pango/pango-glyph-item.c
index 647a31f3..1d4ff8ea 100644
--- a/pango/pango-glyph-item.c
+++ b/pango/pango-glyph-item.c
@@ -131,11 +131,11 @@ pango_glyph_item_split (PangoGlyphItem *orig,
/**
* pango_glyph_item_copy:
- * @orig: a #PangoGlyphItem, may be %NULL
+ * @orig: (nullable): a #PangoGlyphItem, may be %NULL
*
* Make a deep copy of an existing #PangoGlyphItem structure.
*
- * Return value: the newly allocated #PangoGlyphItem, which should
+ * Return value: (nullable): the newly allocated #PangoGlyphItem, which should
* be freed with pango_glyph_item_free(), or %NULL
* if @orig was %NULL.
*
@@ -159,7 +159,7 @@ pango_glyph_item_copy (PangoGlyphItem *orig)
/**
* pango_glyph_item_free:
- * @glyph_item: a #PangoGlyphItem, may be %NULL
+ * @glyph_item: (nullable): a #PangoGlyphItem, may be %NULL
*
* Frees a #PangoGlyphItem and resources to which it points.
*
@@ -186,11 +186,11 @@ G_DEFINE_BOXED_TYPE (PangoGlyphItem, pango_glyph_item,
/**
* pango_glyph_item_iter_copy:
- * @orig: a #PangoGlyphItemIter, may be %NULL
+ * @orig: (nullable): a #PangoGlyphItemIter, may be %NULL
*
* Make a shallow copy of an existing #PangoGlyphItemIter structure.
*
- * Return value: the newly allocated #PangoGlyphItemIter, which should
+ * Return value: (nullable): the newly allocated #PangoGlyphItemIter, which should
* be freed with pango_glyph_item_iter_free(), or %NULL
* if @orig was %NULL.
*
@@ -213,7 +213,7 @@ pango_glyph_item_iter_copy (PangoGlyphItemIter *orig)
/**
* pango_glyph_item_iter_free:
- * @iter: a #PangoGlyphItemIter, may be %NULL
+ * @iter: (nullable): a #PangoGlyphItemIter, may be %NULL
*
* Frees a #PangoGlyphItemIter created by pango_glyph_item_iter_copy().
*
diff --git a/pango/pango-gravity.c b/pango/pango-gravity.c
index a72b67bc..ebaf17e6 100644
--- a/pango/pango-gravity.c
+++ b/pango/pango-gravity.c
@@ -120,7 +120,7 @@ pango_gravity_to_rotation (PangoGravity gravity)
/**
* pango_gravity_get_for_matrix:
- * @matrix: a #PangoMatrix
+ * @matrix: (nullable): a #PangoMatrix
*
* Finds the gravity that best matches the rotation component
* in a #PangoMatrix.
diff --git a/pango/pango-item.c b/pango/pango-item.c
index 0437d9ce..8c368874 100644
--- a/pango/pango-item.c
+++ b/pango/pango-item.c
@@ -42,13 +42,13 @@ pango_item_new (void)
/**
* pango_item_copy:
- * @item: a #PangoItem, may be %NULL
+ * @item: (nullable): a #PangoItem, may be %NULL
*
* Copy an existing #PangoItem structure.
*
- * Return value: the newly allocated #PangoItem, which should
- * be freed with pango_item_free(), or %NULL if
- * @item was NULL.
+ * Return value: (nullable): the newly allocated #PangoItem, which
+ * should be freed with pango_item_free(), or %NULL if
+ * @item was %NULL.
**/
PangoItem *
pango_item_copy (PangoItem *item)
@@ -84,7 +84,7 @@ pango_item_copy (PangoItem *item)
/**
* pango_item_free:
- * @item: a #PangoItem, may be %NULL
+ * @item: (nullable): a #PangoItem, may be %NULL
*
* Free a #PangoItem and all associated memory.
**/
diff --git a/pango/pango-language.c b/pango/pango-language.c
index e9c9d1f4..1247ae72 100644
--- a/pango/pango-language.c
+++ b/pango/pango-language.c
@@ -301,7 +301,7 @@ pango_language_get_default (void)
* Use pango_language_get_default() if you want to get the #PangoLanguage for
* the current locale of the process.
*
- * Return value: (transfer none): an opaque pointer to a
+ * Return value: (transfer none) (nullable): an opaque pointer to a
* #PangoLanguage structure, or %NULL if @language was
* %NULL. The returned pointer will be valid forever
* after, and should not be freed.
@@ -368,7 +368,7 @@ const char *
/**
* pango_language_matches:
- * @language: a language tag (see pango_language_from_string()),
+ * @language: (nullable): a language tag (see pango_language_from_string()),
* %NULL is allowed and matches nothing but '*'
* @range_list: a list of language ranges, separated by ';', ':',
* ',', or space characters.
@@ -542,7 +542,7 @@ static const LangInfo lang_texts[] = {
/**
* pango_language_get_sample_string:
- * @language: a #PangoLanguage, or %NULL
+ * @language: (nullable): a #PangoLanguage, or %NULL
*
* Get a string that is representative of the characters needed to
* render a particular language.
@@ -619,12 +619,12 @@ pango_language_get_sample_string (PangoLanguage *language)
* The pango_language_includes_script() function uses this function
* internally.
*
- * Return value: (array length=num_scripts): An array of #PangoScript
- * values, with the number of entries in the array stored in
- * @num_scripts, or %NULL if Pango does not have any information about
- * this particular language tag (also the case if @language is %NULL).
- * The returned array is owned by Pango and should not be modified or
- * freed.
+ * Return value: (array length=num_scripts) (nullable): An array of
+ * #PangoScript values, with the number of entries in the array stored
+ * in @num_scripts, or %NULL if Pango does not have any information
+ * about this particular language tag (also the case if @language is
+ * %NULL). The returned array is owned by Pango and should not be
+ * modified or freed.
* Since: 1.22
**/
@@ -663,7 +663,7 @@ pango_language_get_scripts (PangoLanguage *language,
/**
* pango_language_includes_script:
- * @language: a #PangoLanguage, or %NULL
+ * @language: (nullable): a #PangoLanguage, or %NULL
* @script: a #PangoScript
*
* Determines if @script is one of the scripts used to
@@ -846,7 +846,7 @@ out:
* choose a default language for %PANGO_SCRIPT_HAN when setting
* context language is not feasible.
*
- * Return value: a #PangoLanguage that is representative
+ * Return value: (nullable): a #PangoLanguage that is representative
* of the script, or %NULL if no such language exists.
*
* Since: 1.4
diff --git a/pango/pango-layout.c b/pango/pango-layout.c
index 607a5f0e..68c50f0a 100644
--- a/pango/pango-layout.c
+++ b/pango/pango-layout.c
@@ -727,10 +727,10 @@ pango_layout_set_font_description (PangoLayout *layout,
*
* Gets the font description for the layout, if any.
*
- * Return value: a pointer to the layout's font description,
- * or %NULL if the font description from the layout's
- * context is inherited. This value is owned by the layout
- * and must not be modified or freed.
+ * Return value: (nullable): a pointer to the layout's font
+ * description, or %NULL if the font description from the layout's
+ * context is inherited. This value is owned by the layout and must
+ * not be modified or freed.
*
* Since: 1.8
**/
@@ -923,7 +923,8 @@ pango_layout_set_tabs (PangoLayout *layout,
* and %NULL is returned. Default tabs are every 8 spaces.
* The return value should be freed with pango_tab_array_free().
*
- * Return value: a copy of the tabs for this layout, or %NULL.
+ * Return value: (nullable): a copy of the tabs for this layout, or
+ * %NULL.
**/
PangoTabArray*
pango_layout_get_tabs (PangoLayout *layout)
@@ -1532,10 +1533,11 @@ pango_layout_get_lines_readonly (PangoLayout *layout)
* Use the faster pango_layout_get_line_readonly() if you do not plan
* to modify the contents of the line (glyphs, glyph widths, etc.).
*
- * Return value: (transfer none): the requested #PangoLayoutLine, or %NULL if the
- * index is out of range. This layout line can
- * be ref'ed and retained, but will become invalid
- * if changes are made to the #PangoLayout.
+ * Return value: (transfer none) (nullable): the requested
+ * #PangoLayoutLine, or %NULL if the index is out of
+ * range. This layout line can be ref'ed and retained,
+ * but will become invalid if changes are made to the
+ * #PangoLayout.
**/
PangoLayoutLine *
pango_layout_get_line (PangoLayout *layout,
@@ -1574,11 +1576,11 @@ pango_layout_get_line (PangoLayout *layout,
* but the user is not expected
* to modify the contents of the line (glyphs, glyph widths, etc.).
*
- * Return value: (transfer none): the requested #PangoLayoutLine, or %NULL if the
- * index is out of range. This layout line can
- * be ref'ed and retained, but will become invalid
- * if changes are made to the #PangoLayout.
- * No changes should be made to the line.
+ * Return value: (transfer none) (nullable): the requested
+ * #PangoLayoutLine, or %NULL if the index is out of
+ * range. This layout line can be ref'ed and retained,
+ * but will become invalid if changes are made to the
+ * #PangoLayout. No changes should be made to the line.
*
* Since: 1.16
**/
@@ -4062,7 +4064,7 @@ pango_layout_check_lines (PangoLayout *layout)
/**
* pango_layout_line_ref:
- * @line: a #PangoLayoutLine, may be %NULL
+ * @line: (nullable): a #PangoLayoutLine, may be %NULL
*
* Increase the reference count of a #PangoLayoutLine by one.
*
@@ -5592,13 +5594,13 @@ update_run (PangoLayoutIter *iter,
/**
* pango_layout_iter_copy:
- * @iter: a #PangoLayoutIter, may be %NULL
+ * @iter: (nullable): a #PangoLayoutIter, may be %NULL
*
* Copies a #PangoLayoutIter.
*
- * Return value: the newly allocated #PangoLayoutIter, which should
- * be freed with pango_layout_iter_free(), or %NULL if
- * @iter was %NULL.
+ * Return value: (nullable): the newly allocated #PangoLayoutIter,
+ * which should be freed with pango_layout_iter_free(),
+ * or %NULL if @iter was %NULL.
*
* Since: 1.20
**/
@@ -5711,7 +5713,7 @@ pango_layout_get_iter (PangoLayout *layout)
/**
* pango_layout_iter_free:
- * @iter: a #PangoLayoutIter, may be %NULL
+ * @iter: (nullable): a #PangoLayoutIter, may be %NULL
*
* Frees an iterator that's no longer in use.
**/
@@ -5760,7 +5762,7 @@ pango_layout_iter_get_index (PangoLayoutIter *iter)
* Use the faster pango_layout_iter_get_run_readonly() if you do not plan
* to modify the contents of the run (glyphs, glyph widths, etc.).
*
- * Return value: (transfer none): the current run.
+ * Return value: (transfer none) (nullable): the current run.
**/
PangoLayoutRun*
pango_layout_iter_get_run (PangoLayoutIter *iter)
@@ -5786,7 +5788,8 @@ pango_layout_iter_get_run (PangoLayoutIter *iter)
* but the user is not expected
* to modify the contents of the run (glyphs, glyph widths, etc.).
*
- * Return value: (transfer none): the current run, that should not be modified.
+ * Return value: (transfer none) (nullable): the current run, that
+ * should not be modified.
*
* Since: 1.16
**/
diff --git a/pango/pango-matrix.c b/pango/pango-matrix.c
index 50a4c800..b4c27d71 100644
--- a/pango/pango-matrix.c
+++ b/pango/pango-matrix.c
@@ -32,12 +32,12 @@ G_DEFINE_BOXED_TYPE (PangoMatrix, pango_matrix,
/**
* pango_matrix_copy:
- * @matrix: a #PangoMatrix, may be %NULL
+ * @matrix: (nullable): a #PangoMatrix, may be %NULL
*
* Copies a #PangoMatrix.
*
- * Return value: the newly allocated #PangoMatrix, which should
- * be freed with pango_matrix_free(), or %NULL if
+ * Return value: (nullable): the newly allocated #PangoMatrix, which
+ * should be freed with pango_matrix_free(), or %NULL if
* @matrix was %NULL.
*
* Since: 1.6
@@ -59,7 +59,7 @@ pango_matrix_copy (const PangoMatrix *matrix)
/**
* pango_matrix_free:
- * @matrix: a #PangoMatrix, may be %NULL
+ * @matrix: (nullable): a #PangoMatrix, may be %NULL
*
* Free a #PangoMatrix created with pango_matrix_copy().
*
@@ -243,7 +243,7 @@ pango_matrix_get_font_scale_factor (const PangoMatrix *matrix)
/**
* pango_matrix_transform_distance:
- * @matrix: a #PangoMatrix, or %NULL
+ * @matrix: (nullable): a #PangoMatrix, or %NULL
* @dx: (inout): in/out X component of a distance vector
* @dy: (inout): in/out Y component of a distance vector
*
@@ -283,7 +283,7 @@ pango_matrix_transform_distance (const PangoMatrix *matrix,
/**
* pango_matrix_transform_point:
- * @matrix: a #PangoMatrix, or %NULL
+ * @matrix: (nullable): a #PangoMatrix, or %NULL
* @x: (inout): in/out X position
* @y: (inout): in/out Y position
*
@@ -307,7 +307,7 @@ pango_matrix_transform_point (const PangoMatrix *matrix,
/**
* pango_matrix_transform_rectangle:
- * @matrix: a #PangoMatrix, or %NULL
+ * @matrix: (nullable): a #PangoMatrix, or %NULL
* @rect: (inout) (allow-none): in/out bounding box in Pango units, or %NULL
*
* First transforms @rect using @matrix, then calculates the bounding box
@@ -387,7 +387,7 @@ pango_matrix_transform_rectangle (const PangoMatrix *matrix,
/**
* pango_matrix_transform_pixel_rectangle:
- * @matrix: a #PangoMatrix, or %NULL
+ * @matrix: (nullable): a #PangoMatrix, or %NULL
* @rect: (inout) (allow-none): in/out bounding box in device units, or %NULL
*
* First transforms the @rect using @matrix, then calculates the bounding box
diff --git a/pango/pango-ot-buffer.c b/pango/pango-ot-buffer.c
index 35d66bce..142b2f17 100644
--- a/pango/pango-ot-buffer.c
+++ b/pango/pango-ot-buffer.c
@@ -134,8 +134,10 @@ pango_ot_buffer_set_zero_width_marks (PangoOTBuffer *buffer,
/**
* pango_ot_buffer_get_glyphs
* @buffer: a #PangoOTBuffer
- * @glyphs: location to store the array of glyphs, or %NULL
- * @n_glyphs: location to store the number of glyphs, or %NULL
+ * @glyphs: (array length=n_glyphs) (out) (optional): location to
+ * store the array of glyphs, or %NULL
+ * @n_glyphs: (out) (optional): location to store the number of
+ * glyphs, or %NULL
*
* Gets the glyph array contained in a #PangoOTBuffer. The glyphs are
* owned by the buffer and should not be freed, and are only valid as long
diff --git a/pango/pango-ot-info.c b/pango/pango-ot-info.c
index d494d7f4..28f5dbc9 100644
--- a/pango/pango-ot-info.c
+++ b/pango/pango-ot-info.c
@@ -123,7 +123,8 @@ get_hb_table_type (PangoOTTableType table_type)
* @info: a #PangoOTInfo.
* @table_type: the table type to obtain information about.
* @script_tag: the tag of the script to find.
- * @script_index: location to store the index of the script, or %NULL.
+ * @script_index: (out) (optional): location to store the index of the
+ * script, or %NULL.
*
* Finds the index of a script. If not found, tries to find the 'DFLT'
* and then 'dflt' scripts and return the index of that in @script_index.
@@ -156,9 +157,10 @@ pango_ot_info_find_script (PangoOTInfo *info,
* @table_type: the table type to obtain information about.
* @script_index: the index of the script whose languages are searched.
* @language_tag: the tag of the language to find.
- * @language_index: location to store the index of the language, or %NULL.
- * @required_feature_index: location to store the required feature index of
- * the language, or %NULL.
+ * @language_index: (out) (optional): location to store the index of
+ * the language, or %NULL.
+ * @required_feature_index: (out) (optional): location to store the
+ * required feature index of the language, or %NULL.
*
* Finds the index of a language and its required feature index.
* If the language is not found, sets @language_index to
@@ -205,7 +207,8 @@ pango_ot_info_find_language (PangoOTInfo *info,
* @script_index: the index of the script.
* @language_index: the index of the language whose features are searched,
* or %PANGO_OT_DEFAULT_LANGUAGE to use the default language of the script.
- * @feature_index: location to store the index of the feature, or %NULL.
+ * @feature_index: (out) (optional): location to store the index of
+ * the feature, or %NULL.
*
* Finds the index of a feature. If the feature is not found, sets
* @feature_index to PANGO_OT_NO_FEATURE, which is safe to pass to
diff --git a/pango/pango-ot-ruleset.c b/pango/pango-ot-ruleset.c
index 2d8f1503..40e46254 100644
--- a/pango/pango-ot-ruleset.c
+++ b/pango/pango-ot-ruleset.c
@@ -267,8 +267,10 @@ pango_ot_ruleset_maybe_add_features (PangoOTRuleset *ruleset,
/**
* pango_ot_ruleset_get_feature_count:
* @ruleset: a #PangoOTRuleset.
- * @n_gsub_features: location to store number of GSUB features, or %NULL.
- * @n_gpos_features: location to store number of GPOS features, or %NULL.
+ * @n_gsub_featuresL: (out) (optional): location to store number of
+ * GSUB features, or %NULL.
+ * @n_gpos_features: (out) (optional): location to store number of
+ * GPOS features, or %NULL.
*
* Gets the number of GSUB and GPOS features in the ruleset.
*
diff --git a/pango/pango-ot-tag.c b/pango/pango-ot-tag.c
index 711e36eb..610b59d7 100644
--- a/pango/pango-ot-tag.c
+++ b/pango/pango-ot-tag.c
@@ -81,7 +81,7 @@ pango_ot_tag_to_script (PangoOTTag script_tag)
/**
* pango_ot_tag_from_language:
- * @language: A #PangoLanguage, or %NULL
+ * @language: (nullable): A #PangoLanguage, or %NULL
*
* Finds the OpenType language-system tag best describing @language.
*
diff --git a/pango/pango-ot.h b/pango/pango-ot.h
index a27ed201..c60c3014 100644
--- a/pango/pango-ot.h
+++ b/pango/pango-ot.h
@@ -212,13 +212,16 @@ struct _PangoOTFeatureMap
* PangoOTRulesetDescription:
* @script: a #PangoScript.
* @language: a #PangoLanguage.
- * @static_gsub_features: static map of GSUB features, or %NULL.
+ * @static_gsub_features: (nullable): static map of GSUB features,
+ * or %NULL.
* @n_static_gsub_features: length of @static_gsub_features, or 0.
- * @static_gpos_features: static map of GPOS features, or %NULL.
+ * @static_gpos_features: (nullable): static map of GPOS features,
+ * or %NULL.
* @n_static_gpos_features: length of @static_gpos_features, or 0.
- * @other_features: map of extra features to add to both GSUB and GPOS, or %NULL.
- * Unlike the static maps, this pointer need not live beyond
- * the life of function calls taking this struct.
+ * @other_features: (nullable): map of extra features to add to both
+ * GSUB and GPOS, or %NULL. Unlike the static maps, this pointer
+ * need not live beyond the life of function calls taking this
+ * struct.
* @n_other_features: length of @other_features, or 0.
*
* The #PangoOTRuleset structure holds all the information needed
diff --git a/pango/pango-renderer.c b/pango/pango-renderer.c
index e30af474..d7dfa037 100644
--- a/pango/pango-renderer.c
+++ b/pango/pango-renderer.c
@@ -1181,9 +1181,9 @@ pango_renderer_set_color (PangoRenderer *renderer,
*
* Gets the current rendering color for the specified part.
*
- * Return value: (transfer none): the color for the specified part, or
- * %NULL if it hasn't been set and should be inherited from the
- * environment.
+ * Return value: (transfer none) (nullable): the color for the
+ * specified part, or %NULL if it hasn't been set and should be
+ * inherited from the environment.
*
* Since: 1.8
**/
@@ -1340,10 +1340,9 @@ pango_renderer_set_matrix (PangoRenderer *renderer,
* Gets the transformation matrix that will be applied when
* rendering. See pango_renderer_set_matrix().
*
- * Return value: the matrix, or %NULL if no matrix has been set
- * (which is the same as the identity matrix). The returned
- * matrix is owned by Pango and must not be modified or
- * freed.
+ * Return value: (nullable): the matrix, or %NULL if no matrix has
+ * been set (which is the same as the identity matrix). The returned
+ * matrix is owned by Pango and must not be modified or freed.
*
* Since: 1.8
**/
@@ -1366,8 +1365,8 @@ pango_renderer_get_matrix (PangoRenderer *renderer)
* The returned layout should not be modified while still being
* rendered.
*
- * Return value: (transfer none): the layout, or %NULL if no layout is being
- * rendered using @renderer at this time.
+ * Return value: (transfer none) (nullable): the layout, or %NULL if
+ * no layout is being rendered using @renderer at this time.
*
* Since: 1.20
**/
@@ -1391,8 +1390,8 @@ pango_renderer_get_layout (PangoRenderer *renderer)
* The returned layout line should not be modified while still being
* rendered.
*
- * Return value: (transfer none): the layout line, or %NULL if no
- * layout line is being rendered using @renderer at this time.
+ * Return value: (transfer none) (nullable): the layout line, or %NULL
+ * if no layout line is being rendered using @renderer at this time.
*
* Since: 1.20
**/
diff --git a/pango/pango-renderer.h b/pango/pango-renderer.h
index 5410a9fe..63d9e656 100644
--- a/pango/pango-renderer.h
+++ b/pango/pango-renderer.h
@@ -59,8 +59,9 @@ typedef enum
/**
* PangoRenderer:
- * @matrix: the current transformation matrix for the Renderer; may
- * be %NULL, which should be treated the same as the identity matrix.
+ * @matrix: (nullable): the current transformation matrix for
+ * the Renderer; may be %NULL, which should be treated the
+ * same as the identity matrix.
*
* #PangoRenderer is a base class for objects that are used to
* render Pango objects such as #PangoGlyphString and
diff --git a/pango/pango-utils.c b/pango/pango-utils.c
index 3dfcebde..591ac5bd 100644
--- a/pango/pango-utils.c
+++ b/pango/pango-utils.c
@@ -128,10 +128,10 @@ pango_version_string (void)
*
* For compile-time version checking use PANGO_VERSION_CHECK().
*
- * Return value: %NULL if the Pango library is compatible with the
- * given version, or a string describing the version mismatch.
- * The returned string is owned by Pango and should not be modified
- * or freed.
+ * Return value: (nullable): %NULL if the Pango library is compatible
+ * with the given version, or a string describing the version
+ * mismatch. The returned string is owned by Pango and should not
+ * be modified or freed.
*
* Since: 1.16
**/
@@ -666,8 +666,8 @@ read_config (void)
* Looks up a key, consulting only the Pango system config database
* in $sysconfdir/pango/pangorc.
*
- * Return value: the value, if found, otherwise %NULL. The value is a
- * newly-allocated string and must be freed with g_free().
+ * Return value: (nullable): the value, if found, otherwise %NULL. The
+ * value is a newly-allocated string and must be freed with g_free().
**/
char *
pango_config_key_get_system (const char *key)
@@ -692,8 +692,8 @@ pango_config_key_get_system (const char *key)
* (pseudo-win.ini style, read from $sysconfdir/pango/pangorc,
* $XDG_CONFIG_HOME/pango/pangorc, and getenv (PANGO_RC_FILE).)
*
- * Return value: the value, if found, otherwise %NULL. The value is a
- * newly-allocated string and must be freed with g_free().
+ * Return value: (nullable): the value, if found, otherwise %NULL. The
+ * value is a newly-allocated string and must be freed with g_free().
**/
char *
pango_config_key_get (const char *key)
diff --git a/pango/pangocairo-context.c b/pango/pangocairo-context.c
index 9750fb03..9dd02351 100644
--- a/pango/pangocairo-context.c
+++ b/pango/pangocairo-context.c
@@ -218,8 +218,8 @@ pango_cairo_context_get_resolution (PangoContext *context)
/**
* pango_cairo_context_set_font_options:
* @context: a #PangoContext, from a pangocairo font map
- * @options: a #cairo_font_options_t, or %NULL to unset any previously set
- * options. A copy is made.
+ * @options: (nullable): a #cairo_font_options_t, or %NULL to unset
+ * any previously set options. A copy is made.
*
* Sets the font options used when rendering text with this context.
* These options override any options that pango_cairo_update_context()
@@ -263,9 +263,9 @@ pango_cairo_context_set_font_options (PangoContext *context,
* pango_cairo_context_set_font_options(). This function does not report options
* that are derived from the target surface by pango_cairo_update_context()
*
- * Return value: the font options previously set on the context, or %NULL
- * if no options have been set. This value is owned by the context
- * and must not be modified or freed.
+ * Return value: (nullable): the font options previously set on the
+ * context, or %NULL if no options have been set. This value is
+ * owned by the context and must not be modified or freed.
*
* Since: 1.10
**/
@@ -316,8 +316,8 @@ _pango_cairo_context_get_merged_font_options (PangoContext *context)
/**
* pango_cairo_context_set_shape_renderer:
* @context: a #PangoContext, from a pangocairo font map
- * @func: Callback function for rendering attributes of type
- * %PANGO_ATTR_SHAPE, or %NULL to disable shape rendering.
+ * @func: (nullable): Callback function for rendering attributes of
+ * type %PANGO_ATTR_SHAPE, or %NULL to disable shape rendering.
* @data: User data that will be passed to @func.
* @dnotify: Callback that will be called when the
* context is freed to release @data, or %NULL.
@@ -361,8 +361,9 @@ pango_cairo_context_set_shape_renderer (PangoContext *context,
* attributes of type %PANGO_ATTR_SHAPE as set by
* pango_cairo_context_set_shape_renderer(), if any.
*
- * Return value: the shape rendering callback previously set on the context, or %NULL
- * if no shape rendering callback have been set.
+ * Return value: (nullable): the shape rendering callback previously
+ * set on the context, or %NULL if no shape rendering callback have
+ * been set.
*
* Since: 1.18
*/
diff --git a/pango/pangocairo-font.c b/pango/pangocairo-font.c
index 97281012..8164840e 100644
--- a/pango/pangocairo-font.c
+++ b/pango/pangocairo-font.c
@@ -142,7 +142,7 @@ done:
* The scaled font can be referenced and kept using
* cairo_scaled_font_reference().
*
- * Return value: the #cairo_scaled_font_t used by @font,
+ * Return value: (nullable): the #cairo_scaled_font_t used by @font,
* or %NULL if @font is %NULL.
*
* Since: 1.18
diff --git a/pango/pangocairo-fontmap.c b/pango/pangocairo-fontmap.c
index 1a529fca..177dbbce 100644
--- a/pango/pangocairo-fontmap.c
+++ b/pango/pangocairo-fontmap.c
@@ -121,10 +121,10 @@ pango_cairo_font_map_new (void)
* or in fact in most of those cases, just use
* @pango_cairo_font_map_get_default().
*
- * Return value: (transfer full) : the newly allocated #PangoFontMap
- * of suitable type which should be freed with
- * g_object_unref(), or %NULL if the requested cairo
- * font backend is not supported / compiled in.
+ * Return value: (transfer full) (nullable): the newly allocated
+ * #PangoFontMap of suitable type which should be freed
+ * with g_object_unref(), or %NULL if the requested
+ * cairo font backend is not supported / compiled in.
*
* Since: 1.18
**/
@@ -196,7 +196,7 @@ pango_cairo_font_map_get_default (void)
/**
* pango_cairo_font_map_set_default:
- * @fontmap: The new default font map, or %NULL
+ * @fontmap: (nullable): The new default font map, or %NULL
*
* Sets a default #PangoCairoFontMap to use with Cairo.
*
diff --git a/pango/pangofc-font.c b/pango/pangofc-font.c
index 7056bca9..9ae2f56c 100644
--- a/pango/pangofc-font.c
+++ b/pango/pangofc-font.c
@@ -958,8 +958,10 @@ get_per_char (FT_Face face,
* @fcfont: a #PangoFcFont
* @load_flags: flags to pass to FT_Load_Glyph()
* @glyph: the glyph index to load
- * @ink_rect: location to store ink extents of the glyph, or %NULL
- * @logical_rect: location to store logical extents of the glyph or %NULL
+ * @ink_rect: (out) (optional): location to store ink extents of the
+ * glyph, or %NULL
+ * @logical_rect: (out) (optional): location to store logical extents
+ * of the glyph or %NULL
*
* Gets the extents of a single glyph from a font. The extents are in
* user space; that is, they are not transformed by any matrix in effect
diff --git a/pango/pangofc-font.h b/pango/pangofc-font.h
index e9738295..51a6e952 100644
--- a/pango/pangofc-font.h
+++ b/pango/pangofc-font.h
@@ -93,13 +93,12 @@ struct _PangoFcFont
* corresponding to the specified character.
* @get_glyph: Gets the glyph that corresponds to the given
* Unicode character.
- * @get_unknown_glyph: Gets the glyph that should be used to
- * display an unknown-glyph indication for the specified
- * Unicode character.
- * May be %NULL.
- * @shutdown: Performs any font-specific shutdown code that
- * needs to be done when pango_fc_font_map_shutdown is called.
- * May be %NULL.
+ * @get_unknown_glyph: (nullable): Gets the glyph that
+ * should be used to display an unknown-glyph indication
+ * for the specified Unicode character. May be %NULL.
+ * @shutdown: (nullable): Performs any font-specific
+ * shutdown code that needs to be done when
+ * pango_fc_font_map_shutdown is called. May be %NULL.
*
* Class structure for #PangoFcFont.
**/
diff --git a/pango/pangofc-fontmap.c b/pango/pangofc-fontmap.c
index e7034589..d12ead6c 100644
--- a/pango/pangofc-fontmap.c
+++ b/pango/pangofc-fontmap.c
@@ -1190,8 +1190,8 @@ pango_fc_font_map_add_decoder_find_func (PangoFcFontMap *fcfontmap,
* Finds the decoder to use for @pattern. Decoders can be added to
* a font map using pango_fc_font_map_add_decoder_find_func().
*
- * Returns: a newly created #PangoFcDecoder object or %NULL if
- * no decoder is set for @pattern.
+ * Returns: (nullable): a newly created #PangoFcDecoder object or
+ * %NULL if no decoder is set for @pattern.
*
* Since: 1.26
**/
diff --git a/pango/pangofc-fontmap.h b/pango/pangofc-fontmap.h
index 3948b1f1..612996c8 100644
--- a/pango/pangofc-fontmap.h
+++ b/pango/pangofc-fontmap.h
@@ -102,10 +102,10 @@ struct _PangoFcFontMap
/**
* PangoFcFontMapClass:
- * @default_substitute: Substitutes in default values for
- * unspecified fields in a #FcPattern. This will be called
- * prior to creating a font for the pattern. May be %NULL.
- * Deprecated in favor of @font_key_substitute().
+ * @default_substitute: (nullable): Substitutes in default
+ * values for unspecified fields in a #FcPattern. This will
+ * be called prior to creating a font for the pattern. May be
+ * %NULL. Deprecated in favor of @font_key_substitute().
* @new_font: Creates a new #PangoFcFont for the specified
* pattern of the appropriate type for this font map. The
* @pattern argument must be passed to the "pattern" property
@@ -128,17 +128,17 @@ struct _PangoFcFontMap
* @context_key_copy.
* @context_key_hash: Gets a hash value for a context key
* @context_key_equal: Compares two context keys for equality.
- * @fontset_key_substitute: Substitutes in default values for
- * unspecified fields in a #FcPattern. This will be called
- * prior to creating a font for the pattern. May be %NULL.
- * (Since: 1.24)
- * @create_font: Creates a new #PangoFcFont for the specified
- * pattern of the appropriate type for this font map using
- * information from the font key that is passed in. The
- * @pattern member of @font_key can be retrieved using
- * pango_fc_font_key_get_pattern() and must be passed to
- * the "pattern" property of #PangoFcFont when you call
- * g_object_new(). If %NULL, new_font() is used.
+ * @fontset_key_substitute: (nullable): Substitutes in
+ * default values for unspecified fields in a
+ * #FcPattern. This will be called prior to creating a font
+ * for the pattern. May be %NULL. (Since: 1.24)
+ * @create_font: (nullable): Creates a new #PangoFcFont for
+ * the specified pattern of the appropriate type for this
+ * font map using information from the font key that is
+ * passed in. The @pattern member of @font_key can be
+ * retrieved using pango_fc_font_key_get_pattern() and must
+ * be passed to the "pattern" property of #PangoFcFont when
+ * you call g_object_new(). If %NULL, new_font() is used.
* (Since: 1.24)
*
* Class structure for #PangoFcFontMap.
diff --git a/pango/pangoft2-render.c b/pango/pangoft2-render.c
index 2b0ebd53..131b1da7 100644
--- a/pango/pangoft2-render.c
+++ b/pango/pangoft2-render.c
@@ -699,7 +699,8 @@ pango_ft2_render_layout_line (FT_Bitmap *bitmap,
* pango_ft2_render_transformed:
* @bitmap: the FreeType2 bitmap onto which to draw the string
* @font: the font in which to draw the string
- * @matrix: a #PangoMatrix, or %NULL to use an identity transformation
+ * @matrix: (nullable): a #PangoMatrix, or %NULL to use an identity
+ * transformation
* @glyphs: the glyph string to draw
* @x: the x position of the start of the string (in Pango
* units in user space coordinates)
diff --git a/pango/pangoft2.c b/pango/pangoft2.c
index 3ada81c9..186424d4 100644
--- a/pango/pangoft2.c
+++ b/pango/pangoft2.c
@@ -169,8 +169,9 @@ set_transform (PangoFT2Font *ft2font)
* face from pango_fc_font_lock_face() you must call
* pango_fc_font_unlock_face().
*
- * Return value: a pointer to a <type>FT_Face</type> structure, with the size set correctly,
- * or %NULL if @font is %NULL.
+ * Return value: (nullable): a pointer to a <type>FT_Face</type>
+ * structure, with the size set correctly, or %NULL if
+ * @font is %NULL.
**/
FT_Face
pango_ft2_font_get_face (PangoFont *font)
diff --git a/pango/pangowin32-fontcache.c b/pango/pangowin32-fontcache.c
index a7cfec69..b8bc92dc 100644
--- a/pango/pangowin32-fontcache.c
+++ b/pango/pangowin32-fontcache.c
@@ -185,8 +185,8 @@ cache_entry_unref (PangoWin32FontCache *cache,
* result may be newly loaded, or it may have been previously
* stored
*
- * Return value: The font structure, or %NULL if the font could
- * not be loaded. In order to free this structure, you must call
+ * Return value: (nullable): The font structure, or %NULL if the font
+ * could not be loaded. In order to free this structure, you must call
* pango_win32_font_cache_unload().
**/
HFONT
@@ -215,8 +215,8 @@ pango_win32_font_cache_load (PangoWin32FontCache *cache,
* result may be newly loaded, or it may have been previously
* stored
*
- * Return value: The font structure, or %NULL if the font could
- * not be loaded. In order to free this structure, you must call
+ * Return value: (nullable): The font structure, or %NULL if the font
+ * could not be loaded. In order to free this structure, you must call
* pango_win32_font_cache_unload().
*
* Since: 1.16
diff --git a/pango/pangowin32.c b/pango/pangowin32.c
index 6948037f..be64f7dc 100644
--- a/pango/pangowin32.c
+++ b/pango/pangowin32.c
@@ -382,7 +382,8 @@ pango_win32_render (HDC hdc,
/**
* pango_win32_render_transformed:
* @hdc: a windows device context
- * @matrix: a #PangoMatrix, or %NULL to use an identity transformation
+ * @matrix: (nullable): a #PangoMatrix, or %NULL to use an identity
+ * transformation
* @font: the font in which to draw the string
* @glyphs: the glyph string to draw
* @x: the x position of the start of the string (in Pango
diff --git a/pango/pangoxft-font.c b/pango/pangoxft-font.c
index 4e5dcb7b..91856304 100644
--- a/pango/pangoxft-font.c
+++ b/pango/pangoxft-font.c
@@ -501,11 +501,12 @@ pango_xft_font_real_shutdown (PangoFcFont *fcfont)
/**
* pango_xft_font_get_font:
- * @font: a #PangoFont.
+ * @font: (nullable): a #PangoFont.
*
* Returns the XftFont of a font.
*
- * Return value: the XftFont associated to @font, or %NULL if @font is %NULL.
+ * Return value: (nullable): the XftFont associated to @font, or %NULL
+ * if @font is %NULL.
**/
XftFont *
pango_xft_font_get_font (PangoFont *font)
diff --git a/pango/pangoxft-render.c b/pango/pangoxft-render.c
index 855d3328..9b3c936f 100644
--- a/pango/pangoxft-render.c
+++ b/pango/pangoxft-render.c
@@ -786,7 +786,8 @@ pango_xft_render_layout_line (XftDraw *draw,
* @draw: an #XftDraw
* @color: the color in which to draw the glyphs
* @font: the font in which to draw the string
- * @matrix: a #PangoMatrix, or %NULL to use an identity transformation
+ * @matrix: (nullable): a #PangoMatrix, or %NULL to use an identity
+ * transformation
* @glyphs: the glyph string to draw
* @x: the x position of the start of the string (in Pango
* units in user space coordinates)