diff options
Diffstat (limited to 'pango/pango-attr.h')
| -rw-r--r-- | pango/pango-attr.h | 50 |
1 files changed, 44 insertions, 6 deletions
diff --git a/pango/pango-attr.h b/pango/pango-attr.h index 7258d3ff..aa63960b 100644 --- a/pango/pango-attr.h +++ b/pango/pango-attr.h @@ -60,6 +60,27 @@ typedef enum } PangoAttrValueType; /** + * PangoAttrAffects: + * @PANGO_ATTR_AFFECTS_ITEMIZATION: the attribute affecs itemization + * @PANGO_ATTR_AFFECTS_BREAKING: the attribute affects `PangoLogAttr` determination + * @PANGO_ATTR_AFFECTS_SHAPING: the attribute affects shaping + * @PANGO_ATTR_AFFECTS_RENDERING: the attribute affects rendering + * + * Flags to indicate what part of Pangos processing pipeline is + * affected by an attribute. + * + * Marking an attribute with `PANGO_ATTR_AFFECTS_ITEMIZATION` ensures + * that the attribute values are constant across items. + */ +typedef enum +{ + PANGO_ATTR_AFFECTS_ITEMIZATION = 1 << 0, + PANGO_ATTR_AFFECTS_BREAKING = 1 << 1, + PANGO_ATTR_AFFECTS_SHAPING = 1 << 2, + PANGO_ATTR_AFFECTS_RENDERING = 1 << 3 +} PangoAttrAffects; + +/** * PANGO_ATTR_TYPE_VALUE_TYPE: * @type: an attribute type * @@ -68,6 +89,14 @@ typedef enum #define PANGO_ATTR_TYPE_VALUE_TYPE(type) ((PangoAttrValueType)((type) & 0xff)) /** + * PANGO_ATTR_TYPE_AFFECTS: + * @type: an attribute type + * + * Extracts the `PangoAttrAffects` flags from an attribute type. + */ +#define PANGO_ATTR_TYPE_AFFECTS(type) ((PangoAttrAffects)(((type) >> 8) & 0xff)) + +/** * PANGO_ATTR_VALUE_TYPE: * @attr: a `PangoAttribute` * @@ -76,6 +105,14 @@ typedef enum #define PANGO_ATTR_VALUE_TYPE(attr) PANGO_ATTR_TYPE_VALUE_TYPE ((attr)->type) /** + * PANGO_ATTR_AFFECTS: + * @attr: a `PangoAttribute` + * + * Obtains the `PangoAttrAffects` flags of a `PangoAttribute`. + */ +#define PANGO_ATTR_AFFECTS(attr) PANGO_ATTR_TYPE_AFFECTS ((attr)->type) + +/** * PANGO_ATTR_INDEX_FROM_TEXT_BEGINNING: * * Value for @start_index in `PangoAttribute` that indicates @@ -97,7 +134,7 @@ typedef enum /** * PangoAttribute: - * @klass: the class structure holding information about the type of the attribute + * @type: the type of the attribute * @start_index: the start index of the range (in bytes). * @end_index: end index of the range (in bytes). The character at this index * is not included in the range. @@ -116,7 +153,7 @@ typedef enum * The common portion of the attribute holds the range to which * the value in the type-specific part of the attribute applies. * By default, an attribute will have an all-inclusive range of - * [0,%G_MAXUINT]. + * `[0,G_MAXUINT]`. * * Which of the values is used depends on the value type of the * attribute, which can be obtained with `PANGO_ATTR_VALUE_TYPE()`. @@ -162,10 +199,12 @@ PANGO_AVAILABLE_IN_ALL GType pango_attribute_get_type (void) G_GNUC_CONST; PANGO_AVAILABLE_IN_ALL -guint pango_attr_type_register (PangoAttrDataCopyFunc copy, +guint pango_attr_type_register (const char *name, + PangoAttrValueType value_type, + PangoAttrAffects affects, + PangoAttrDataCopyFunc copy, GDestroyNotify destroy, GEqualFunc equal, - const char *name, PangoAttrDataSerializeFunc serialize); PANGO_AVAILABLE_IN_1_22 @@ -179,8 +218,7 @@ gboolean pango_attribute_equal (const PangoAttr const PangoAttribute *attr2) G_GNUC_PURE; PANGO_AVAILABLE_IN_1_52 -PangoAttribute * pango_attr_custom_new (guint type, - gpointer user_data); +PangoAttribute * pango_attribute_new (guint type); PANGO_AVAILABLE_IN_1_52 gboolean pango_attribute_get_string (PangoAttribute *attribute, |