Initial commit of ResInsight version 0.4.8

VisualizationModules/LibRender/cvfViewport.h

@@ -0,0 +1,84 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library is free software: you can redistribute it and/or modify 
+//   it under the terms of the GNU General Public License as published by 
+//   the Free Software Foundation, either version 3 of the License, or 
+//   (at your option) any later version. 
+//    
+//   This library is distributed in the hope that it will be useful, but WITHOUT ANY 
+//   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
+//   FITNESS FOR A PARTICULAR PURPOSE.   
+//    
+//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#pragma once
+
+#include "cvfObject.h"
+#include "cvfColor4.h"
+#include "cvfOpenGLTypes.h"
+#include "cvfString.h"
+
+namespace cvf {
+
+class OpenGLContext;
+
+
+//==================================================================================================
+//
+// An OpenGL viewport
+//
+//==================================================================================================
+class Viewport : public Object
+{
+public:
+    enum ClearMode
+    {
+        DO_NOT_CLEAR,
+        CLEAR_COLOR,
+        CLEAR_DEPTH,
+        CLEAR_STENCIL,
+        CLEAR_COLOR_DEPTH,
+        CLEAR_COLOR_STENCIL,
+        CLEAR_DEPTH_STENCIL,
+        CLEAR_COLOR_DEPTH_STENCIL
+    };
+
+public:
+    Viewport();
+
+    void        set(uint x, uint y, uint width, uint height);
+
+    uint        x() const;
+    uint        y() const;
+    uint        width() const;
+    uint        height() const;
+    double      aspectRatio() const;
+
+    void        setClearColor(Color4f color);
+    Color4f     clearColor() const;
+
+    void        applyOpenGL(OpenGLContext* oglContext, ClearMode clearMode);
+
+    String      toString() const;
+
+private:
+    cvfGLbitfield clearFlagsOpenGL(ClearMode clearMode);
+
+private:
+    uint         m_x;
+    uint         m_y;
+    uint         m_width;
+    uint         m_height;
+
+    Color4f     m_clearColor;
+    double      m_clearDepth;
+    int         m_clearStencil;
+};
+
+}