libeek: define new boxed type EekColor for colors

eek/eek-types.c

@@ -145,3 +145,46 @@ eek_outline_get_type (void)
                                           (GBoxedFreeFunc)eek_outline_free);
     return our_type;
 }
+
+/* EekColor */
+static EekColor *
+eek_color_copy (const EekColor *color)
+{
+    return g_slice_dup (EekColor, color);
+}
+
+static void
+eek_color_free (EekColor *color)
+{
+    g_slice_free (EekColor, color);
+}
+
+GType
+eek_color_get_type (void)
+{
+    static GType our_type = 0;
+
+    if (our_type == 0)
+        our_type =
+            g_boxed_type_register_static ("EekColor",
+                                          (GBoxedCopyFunc)eek_color_copy,
+                                          (GBoxedFreeFunc)eek_color_free);
+    return our_type;
+}
+
+EekColor *
+eek_color_new (gdouble red,
+               gdouble green,
+               gdouble blue,
+               gdouble alpha)
+{
+    EekColor *color;
+
+    color = g_slice_new (EekColor);
+    color->red = red;
+    color->green = green;
+    color->blue = blue;
+    color->alpha = alpha;
+
+    return color;
+}

eek/eek-types.h

@@ -28,6 +28,7 @@ G_BEGIN_DECLS
 #define EEK_TYPE_POINT (eek_point_get_type ())
 #define EEK_TYPE_BOUNDS (eek_bounds_get_type ())
 #define EEK_TYPE_OUTLINE (eek_outline_get_type ())
+#define EEK_TYPE_COLOR (eek_color_get_type ())
 
 
 /**
@@ -55,6 +56,7 @@ typedef struct _EekKeysymMatrix EekKeysymMatrix;
 typedef struct _EekPoint EekPoint;
 typedef struct _EekBounds EekBounds;
 typedef struct _EekOutline EekOutline;
+typedef struct _EekColor EekColor;
 
 /**
  * EekKeysymMatrix:
@@ -133,5 +135,29 @@ struct _EekOutline
 
 GType eek_outline_get_type (void) G_GNUC_CONST;
 
+/**
+ * EekColor:
+ * @red: red component of color, between 0.0 and 1.0
+ * @green: green component of color, between 0.0 and 1.0
+ * @blue: blue component of color, between 0.0 and 1.0
+ * @alpha: alpha component of color, between 0.0 and 1.0
+ *
+ * Color used for drawing.
+ */
+struct _EekColor
+{
+    gdouble red;
+    gdouble green;
+    gdouble blue;
+    gdouble alpha;
+};
+
+GType     eek_color_get_type (void) G_GNUC_CONST;
+
+EekColor *eek_color_new      (gdouble red,
+                              gdouble green,
+                              gdouble blue,
+                              gdouble alpha);
+
 G_END_DECLS
 #endif  /* EEK_TYPES_H */