* Added some of the rgb_color methods from Dano/Zeta.

* The private general_info structure is now setup - that fixes a part of bug #502;
  NetPositive's bar remains black, though.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@17160 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/GraphicsDefs.h

@@ -80,6 +80,16 @@ typedef struct rgb_color {
 #if defined(__cplusplus)
 	// some convenient additions
 
+	inline rgb_color&
+	set_to(uint8 r, uint8 g, uint8 b, uint8 a = 255)
+	{
+		red = r;
+		green = g;
+		blue = b;
+		alpha = a;
+		return *this;
+	}
+
 	inline bool
 	operator==(const rgb_color& other) const
 	{
@@ -94,6 +104,15 @@ typedef struct rgb_color {
 #endif
 } rgb_color;
 
+#if defined(__cplusplus)
+inline rgb_color
+make_color(uint8 red, uint8 green, uint8 blue, uint8 alpha = 255)
+{
+	rgb_color color = {red, green, blue, alpha};
+	return color;
+}
+#endif
+
 //------------------------------------------------------------------------------
 
 extern _IMPEXP_BE const rgb_color 	B_TRANSPARENT_COLOR;