[pango/small-caps: 4/7] Add more casing variants

[Matthias Clasen <matthiasc src gnome org>]

commit 6b7b3e9adb92bf10ab3c27466eb5276428865c0a
Author: Matthias Clasen <mclasen redhat com>
Date:   Sat Nov 6 21:31:26 2021 -0400

    Add more casing variants
    
    Add values for all the css casing variants to
    the PangoVariant enum.

 pango/fonts.c      |  7 ++++++-
 pango/pango-font.h | 26 ++++++++++++++++++++++++--
 2 files changed, 30 insertions(+), 3 deletions(-)
---
diff --git a/pango/fonts.c b/pango/fonts.c
index fd98d91e..70a987e6 100644
--- a/pango/fonts.c
+++ b/pango/fonts.c
@@ -1019,7 +1019,12 @@ static const FieldMap style_map[] = {
 
 static const FieldMap variant_map[] = {
   { PANGO_VARIANT_NORMAL, "" },
-  { PANGO_VARIANT_SMALL_CAPS, "Small-Caps" }
+  { PANGO_VARIANT_SMALL_CAPS, "Small-Caps" },
+  { PANGO_VARIANT_ALL_SMALL_CAPS, "All-Small-Caps" },
+  { PANGO_VARIANT_PETITE_CAPS, "Petite-Caps" },
+  { PANGO_VARIANT_ALL_PETITE_CAPS, "All-Petite-Caps" },
+  { PANGO_VARIANT_UNICASE, "Unicase" },
+  { PANGO_VARIANT_TITLE_CAPS, "Title-Caps" }
 };
 
 static const FieldMap weight_map[] = {
diff --git a/pango/pango-font.h b/pango/pango-font.h
index d4bded86..6f3284fa 100644
--- a/pango/pango-font.h
+++ b/pango/pango-font.h
@@ -81,13 +81,35 @@ typedef enum {
  * PangoVariant:
  * @PANGO_VARIANT_NORMAL: A normal font.
  * @PANGO_VARIANT_SMALL_CAPS: A font with the lower case characters
- * replaced by smaller variants of the capital characters.
+ *   replaced by smaller variants of the capital characters.
+ * @PANGO_VARIANT_ALL_SMALL_CAPS: A font with all characters
+ *   replaced by smaller variants of the capital characters.
+ *   Since: 1.50
+ * @PANGO_VARIANT_PETITE_CAPS: A font with the lower case characters
+ *   replaced by smaller variants of the capital characters.
+ *   Petite Caps can be even smaller than Small Caps.
+ *   Since: 1.50
+ * @PANGO_VARIANT_ALL_PETITE_CAPS: A font with all characters
+ *   replaced by smaller variants of the capital characters.
+ *   Petite Caps can be even smaller than Small Caps.
+ *   Since: 1.50
+ * @PANGO_VARIANT_UNICASE: A font with the upper case characters
+ *   replaced by smaller variants of the capital letters.
+ *   Since: 1.50
+ * @PANGO_VARIANT_TITLE_CAPS: A font with capital letters that
+ *   are more suitable for all-uppercase titles.
+ *   Since: 1.50
  *
  * An enumeration specifying capitalization variant of the font.
  */
 typedef enum {
   PANGO_VARIANT_NORMAL,
-  PANGO_VARIANT_SMALL_CAPS
+  PANGO_VARIANT_SMALL_CAPS,
+  PANGO_VARIANT_ALL_SMALL_CAPS,
+  PANGO_VARIANT_PETITE_CAPS,
+  PANGO_VARIANT_ALL_PETITE_CAPS,
+  PANGO_VARIANT_UNICASE,
+  PANGO_VARIANT_TITLE_CAPS
 } PangoVariant;
 
 /**