introduction of video namespace
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James Turk
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include/video/Color.hpp
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include/video/Color.hpp
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//This file is part of Photon (http://photon.sourceforge.net)
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//Copyright (C) 2004-2005 James Turk
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//
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// Author:
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// James Turk (jpt2433@rit.edu)
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//
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// Version:
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// $Id: Color.hpp,v 1.1 2005/03/02 08:40:11 cozman Exp $
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#ifndef PHOTON_VIDEO_COLOR_HPP
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#define PHOTON_VIDEO_COLOR_HPP
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#include <ostream>
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#include "types.hpp"
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namespace photon
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{
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namespace video
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{
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// Class: Color
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// Class for storing components of a color.
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//
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// Operators:
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// - ostream& << Color
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class Color
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{
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// Group: Variables
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public:
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// Variable: red
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// Red component of color. (0-255)
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ubyte red;
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// Variable: green
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// Green component of color. (0-255)
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ubyte green;
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// Variable: blue
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// Blue component of color. (0-255)
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ubyte blue;
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// Variable: alpha
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// Alpha component of color. (0-255)
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ubyte alpha;
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// Group: (Con/De)structors
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public:
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// Function: Color
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// Initializes all components to 255. (Solid White)
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Color();
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// Function: Color
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// Initializes color, component by component.
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//
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// Parameters:
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// r - Value for red component.
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// g - Value for green component.
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// b - Value for blue component.
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// a - Value for alpha component. [default: 255]
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//
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// See Also:
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// <setColor>
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Color(ubyte r, ubyte g, ubyte b, ubyte a=255);
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// Group: Utility
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public:
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// Functions: setColor
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// Creates color, component by component.
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//
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// Parameters:
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// r - Value for red component.
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// g - Value for green component.
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// b - Value for blue component.
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// a - Value for alpha component. [default: 255]
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void setColor(ubyte r, ubyte g, ubyte b, ubyte a=255);
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// Functions: makeGLColor
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// Makes the Color the current openGL color. (glColor4ub)
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void makeGLColor() const;
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friend std::ostream& operator<<(std::ostream &o, const Color &rhs);
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};
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}
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}
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#endif //PHOTON_VIDEO_COLOR_HPP
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153
include/video/VideoCore.hpp
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include/video/VideoCore.hpp
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//This file is part of Photon (http://photon.sourceforge.net)
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//Copyright (C) 2004-2005 James Turk
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//
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// Author:
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// James Turk (jpt2433@rit.edu)
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//
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// Version:
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// $Id: VideoCore.hpp,v 1.1 2005/03/02 08:40:11 cozman Exp $
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#ifndef PHOTON_VIDEO_VIDEOCORE_HPP
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#define PHOTON_VIDEO_VIDEOCORE_HPP
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#include "types.hpp"
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#include "AppCore.hpp"
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#include "util/Singleton.hpp"
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namespace photon
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{
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namespace video
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{
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// Class: VideoCore
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// Photon's <Singleton> core for graphics behavior. Defines the interface
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// through which all graphics related functions are performed.
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//
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// VideoCore is the Core that interfaces with the actual drawing/updating of
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// the display.
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//
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// See Also:
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// <AppCore>
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//
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// Parent:
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// <Singleton>
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class VideoCore : public util::Singleton<VideoCore>
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{
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// Group: Display Management
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public:
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// Function: clearDisplay
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// Clears the display.
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void clear();
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// Function: update
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// Updates the video display.
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void update();
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// Group: Viewport
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// Functions to set the working viewport and perspective. Orthographic and
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// standard 3D perspective modes are available.
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public:
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// Function: setOrthoView
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// Sets new ortho viewport within a rectangular portion of the screen.
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// All drawing is relative to the rectangle, x,y becomes 0,0 and anything
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// drawn outside rect is clipped.
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//
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// Parameters:
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// x - X coord for top left corner of new viewport.
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// y - Y coord for top left corner of new viewport.
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// viewWidth - Width of new viewport.
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// viewHeight - Height of new viewport.
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// orthoWidth - Width of ortho perspective.
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// orthoHeight - Height of ortho perspective.
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void setOrthoView(int x, int y, int viewWidth, int viewHeight,
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scalar orthoWidth, scalar orthoHeight);
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// Function: setOrthoView
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// Sets entire screen as current viewport with a given ortho perspective.
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//
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// Parameters:
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// width - Width of view.
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// height - Height of view.
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void setOrthoView(scalar width, scalar height);
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// Function: setOrthoView
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// Sets entire screen as current viewport with a given ortho perspective.
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void setOrthoView();
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// Group: Perspective
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public:
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// Function: setPerspectiveView
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// Creates a viewport with a given 3D perspective inside of a rectangular
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// portion of the screen.
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//
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// Parameters:
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// x - X coord for top left corner of new viewport.
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// y - Y coord for top left corner of new viewport.
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// width - Width of new viewport.
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// height - Height of new viewport.
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// fovy - The y axis field of view angle, in degrees.
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// zNear - Distance from viewer to near clipping plane.
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// zFar - Distance from viewer to far clipping plane.
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void setPerspectiveView(int x, int y, int width, int height,
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scalar fovy, scalar zNear, scalar zFar);
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// Function: setPerspectiveView
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// Sets entire screen as current viewport with a given 3D perspective.
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//
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// Same as call to setPerspective
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//
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// Parameters:
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// fovy - The y axis field of view angle, in degrees.
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// zNear - Distance from viewer to near clipping plane.
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// zFar - Distance from viewer to far clipping plane.
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void setPerspectiveView(scalar fovy, scalar zNear, scalar zFar);
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// Group: Viewport/Projection
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// These functions are called by the above Ortho/Perspective functions, very
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// rarely do they need to be called directly.
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public:
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// Function: setViewport
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// Set the current viewport rectangle within the screen.
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void setViewport(int x, int y, int width, int height);
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// Function: setOrthoProjection
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// Sets an orthographic projection matrix.
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//
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// Parameters:
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// width - Width of view.
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// height - Height of view.
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void setOrthoProjection(scalar width, scalar height);
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// Function: setPerspectiveProjection
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// Sets a perspective projection matrix.
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//
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// Parameters:
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// fovy - The y axis field of view angle, in degrees.
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// zNear - Distance from viewer to near clipping plane.
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// zFar - Distance from viewer to far clipping plane.
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void setPerspectiveProjection(scalar fovy, scalar zNear, scalar zFar);
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// behind the scenes
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private:
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void initOpenGL();
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// data members
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private:
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AppCore& appCore_;
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uint viewportWidth_;
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uint viewportHeight_;
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// Singleton-required code
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private:
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VideoCore();
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~VideoCore();
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friend class util::Singleton<VideoCore>;
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friend class std::auto_ptr<VideoCore>;
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};
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}
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}
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#endif //PHOTON_VIDEO_VIDEOCORE_HPP
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