From 7fad840bbbde36bdb13c766f6dcecdc3ced4cfcf Mon Sep 17 00:00:00 2001
From: Lars Krecklau <krecklau@informatik.rwth-aachen.de>
Date: Fri, 19 Aug 2011 15:52:41 +0200
Subject: [PATCH] -Added setters to the viewport to change the size and the
 offset

---
 include/ACGL/OpenGL/Objects/State.hh    |  2 +-
 include/ACGL/OpenGL/Objects/Viewport.hh | 20 ++++++++++++++++----
 2 files changed, 17 insertions(+), 5 deletions(-)

diff --git a/include/ACGL/OpenGL/Objects/State.hh b/include/ACGL/OpenGL/Objects/State.hh
index be8c9e3..fcdf672 100644
--- a/include/ACGL/OpenGL/Objects/State.hh
+++ b/include/ACGL/OpenGL/Objects/State.hh
@@ -88,7 +88,7 @@ public:
     // ============================================================================================ METHODS \/
     // ==================================================================================================== \/
 public:
-    void updateMappings            (void);
+    void updateMappings (void);
 
     void useViewport               (void) const;
     void useShaderProgramObject    (void) const;
diff --git a/include/ACGL/OpenGL/Objects/Viewport.hh b/include/ACGL/OpenGL/Objects/Viewport.hh
index b96a033..525b647 100644
--- a/include/ACGL/OpenGL/Objects/Viewport.hh
+++ b/include/ACGL/OpenGL/Objects/Viewport.hh
@@ -27,10 +27,10 @@ class Viewport
     // ============================================================================================ CONSTRUCTORS \/
     // ========================================================================================================= \/
 public:
-    Viewport(GLint   _offsetX,
-             GLint   _offsetY,
-             GLsizei _width,
-             GLsizei _height)
+    Viewport(GLint   _offsetX = 0,
+             GLint   _offsetY = 0,
+             GLsizei _width = 0,
+             GLsizei _height = 0)
     :   mOffsetX(_offsetX),
         mOffsetY(_offsetY),
         mWidth(_width),
@@ -57,6 +57,18 @@ public:
         glViewport(mOffsetX, mOffsetY, mWidth, mHeight);
     }
 
+    inline void setOffset (GLint _offsetX, GLint _offsetY)
+    {
+        mOffsetX = _offsetX;
+        mOffsetY = _offsetY;
+    }
+
+    inline void setSize (GLsizei _width, GLsizei _height)
+    {
+        mWidth = _width;
+        mHeight = _height;
+    }
+
     // =================================================================================================== \/
     // ============================================================================================ FIELDS \/
     // =================================================================================================== \/
-- 
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