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author | Matthias Clasen <mclasen@redhat.com> | 2015-08-11 15:48:25 -0400 |
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committer | Matthias Clasen <mclasen@redhat.com> | 2015-08-11 20:39:14 -0400 |
commit | 5dd3585270746fd88b267d06ce20eb9c19cab5e5 (patch) | |
tree | 0c290d402e6fafe3ad2e86da131666ab58a07ef5 | |
parent | 6489105c20bdebc720c223894d947fd5e3cebe49 (diff) | |
download | pango-5dd3585270746fd88b267d06ce20eb9c19cab5e5.tar.gz |
Add attribute types for fg and bg alpha
Add attributes types for foreground and background alpha.
-rw-r--r-- | docs/pango-sections.txt | 2 | ||||
-rw-r--r-- | pango/pango-attributes.c | 48 | ||||
-rw-r--r-- | pango/pango-attributes.h | 8 |
3 files changed, 57 insertions, 1 deletions
diff --git a/docs/pango-sections.txt b/docs/pango-sections.txt index 0401a158..fa45b245 100644 --- a/docs/pango-sections.txt +++ b/docs/pango-sections.txt @@ -381,6 +381,8 @@ pango_attr_fallback_new pango_attr_gravity_new pango_attr_gravity_hint_new pango_attr_font_features_new +pango_attr_foreground_alpha_new +pango_attr_background_alpha_new PangoColor PANGO_TYPE_COLOR pango_color_parse diff --git a/pango/pango-attributes.c b/pango/pango-attributes.c index da9fefeb..b8544316 100644 --- a/pango/pango-attributes.c +++ b/pango/pango-attributes.c @@ -1127,6 +1127,54 @@ pango_attr_font_features_new (const gchar *features) return pango_attr_string_new (&klass, features); } +/** + * pango_attr_foreground_alpha_new: + * @alpha: the alpha value, between 1 and 65536 + * + * Create a new foreground alpha attribute. + * + * Return value: (transfer full): the new allocated #PangoAttribute, + * which should be freed with pango_attribute_destroy(). + * + * Since: 1.38 + */ +PangoAttribute * +pango_attr_foreground_alpha_new (guint16 alpha) +{ + static const PangoAttrClass klass = { + PANGO_ATTR_FOREGROUND_ALPHA, + pango_attr_int_copy, + pango_attr_int_destroy, + pango_attr_int_equal + }; + + return pango_attr_int_new (&klass, (int)alpha); +} + +/** + * pango_attr_background_alpha_new: + * @alpha: the alpha value, between 1 and 65536 + * + * Create a new background alpha attribute. + * + * Return value: (transfer full): the new allocated #PangoAttribute, + * which should be freed with pango_attribute_destroy(). + * + * Since: 1.38 + */ +PangoAttribute * +pango_attr_background_alpha_new (guint16 alpha) +{ + static const PangoAttrClass klass = { + PANGO_ATTR_BACKGROUND_ALPHA, + pango_attr_int_copy, + pango_attr_int_destroy, + pango_attr_int_equal + }; + + return pango_attr_int_new (&klass, (int)alpha); +} + /* * Attribute List */ diff --git a/pango/pango-attributes.h b/pango/pango-attributes.h index 3f783e45..1844fcde 100644 --- a/pango/pango-attributes.h +++ b/pango/pango-attributes.h @@ -137,6 +137,8 @@ typedef struct _PangoAttrIterator PangoAttrIterator; * @PANGO_ATTR_GRAVITY: base text gravity (#PangoAttrInt) * @PANGO_ATTR_GRAVITY_HINT: gravity hint (#PangoAttrInt) * @PANGO_ATTR_FONT_FEATURES: OpenType font features (#PangoAttrString). Since 1.38 + * @PANGO_ATTR_FOREGROUND_ALPHA: foreground alpha (#PangoAttrInt). Since 1.38 + * @PANGO_ATTR_BACKGROUND_ALPHA: background alpha (#PangoAttrInt). Since 1.38 * * The #PangoAttrType * distinguishes between different types of attributes. Along with the @@ -170,7 +172,9 @@ typedef enum PANGO_ATTR_ABSOLUTE_SIZE, /* PangoAttrSize */ PANGO_ATTR_GRAVITY, /* PangoAttrInt */ PANGO_ATTR_GRAVITY_HINT, /* PangoAttrInt */ - PANGO_ATTR_FONT_FEATURES /* PangoAttrString */ + PANGO_ATTR_FONT_FEATURES, /* PangoAttrString */ + PANGO_ATTR_FOREGROUND_ALPHA, /* PangoAttrInt */ + PANGO_ATTR_BACKGROUND_ALPHA /* PangoAttrInt */ } PangoAttrType; /** @@ -476,6 +480,8 @@ PangoAttribute *pango_attr_shape_new_with_data (const PangoRectangle *ink_ PangoAttribute *pango_attr_gravity_new (PangoGravity gravity); PangoAttribute *pango_attr_gravity_hint_new (PangoGravityHint hint); PangoAttribute *pango_attr_font_features_new (const gchar *features); +PangoAttribute *pango_attr_foreground_alpha_new (guint16 alpha); +PangoAttribute *pango_attr_background_alpha_new (guint16 alpha); GType pango_attr_list_get_type (void) G_GNUC_CONST; PangoAttrList * pango_attr_list_new (void); |