From 4acd97fe0d3b9c079d72098dfb492060e4ec7795 Mon Sep 17 00:00:00 2001
From: cxl <cxl@f0d560ea-af0d-0410-9eb7-867de7ffcac7>
Date: Wed, 12 Dec 2012 20:01:29 +0000
Subject: [PATCH] .rainbow gtk InvertColor

git-svn-id: svn://ultimatepp.org/upp/trunk@5648 f0d560ea-af0d-0410-9eb7-867de7ffcac7
---
 rainbow/Gtk/DrawOp.cpp   | 12 ++++++++++--
 rainbow/GtkMain/main.cpp |  1 +
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/rainbow/Gtk/DrawOp.cpp b/rainbow/Gtk/DrawOp.cpp
index 0e1ccdb17..241c95a7c 100644
--- a/rainbow/Gtk/DrawOp.cpp
+++ b/rainbow/Gtk/DrawOp.cpp
@@ -105,9 +105,17 @@ void SystemDraw::DrawRectOp(int x, int y, int cx, int cy, Color color)
 {
 	if(IsNull(color))
 		return;
-	SetColor(color);
 	cairo_rectangle(cr, x, y, cx, cy);
-	cairo_fill(cr);
+	if(color == InvertColor()) {
+		SetColor(White());
+		cairo_set_operator(cr, CAIRO_OPERATOR_DIFFERENCE);
+		cairo_fill(cr);
+		cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
+	}
+	else {
+		SetColor(color);
+		cairo_fill(cr);
+	}
 }
 
 void SystemDraw::DrawLineOp(int x1, int y1, int x2, int y2, int width, Color color)
diff --git a/rainbow/GtkMain/main.cpp b/rainbow/GtkMain/main.cpp
index 300e71eee..59b7488df 100644
--- a/rainbow/GtkMain/main.cpp
+++ b/rainbow/GtkMain/main.cpp
@@ -105,6 +105,7 @@ struct MyApp : TopWindow {
 			w.DrawText(100, y, log[i]);
 			y += fcy;
 		}
+		w.DrawRect(0, 0, 50, fcy * 3, InvertColor());
 	}
 	
 	MyApp() {