133 lines
4.0 KiB
Plaintext
133 lines
4.0 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSG_DisplaySettings
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#define OSG_DisplaySettings 1
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#include <osg/Referenced>
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#include <string>
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#include <vector>
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namespace osg {
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/** DisplaySettings class for encapsulating what visuals are required and
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* have been set up, and the status of stereo viewing.*/
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class SG_EXPORT DisplaySettings : public osg::Referenced
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{
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public:
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/** Maintain a DisplaySettings singleton for objects to querry at runtime.*/
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static DisplaySettings* instance();
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DisplaySettings()
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{
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setDefaults();
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readEnvironmentalVariables();
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}
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DisplaySettings(std::vector<std::string>& commandLine)
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{
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setDefaults();
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readEnvironmentalVariables();
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readCommandLine(commandLine);
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}
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DisplaySettings(const DisplaySettings& vs);
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virtual ~DisplaySettings();
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DisplaySettings& operator = (const DisplaySettings& vs);
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void merge(const DisplaySettings& vs);
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void setDefaults();
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void readEnvironmentalVariables();
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/** read the command line string list, removing any matched control sequences.*/
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void readCommandLine(std::vector<std::string>& commandLine);
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void setStereo(const bool on) { _stereo = on; }
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const bool getStereo() const { return _stereo; }
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enum StereoMode
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{
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QUAD_BUFFER,
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ANAGLYPHIC,
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HORIZONTAL_SPLIT,
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VERTICAL_SPLIT
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};
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void setStereoMode(const StereoMode mode) { _stereoMode = mode; }
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const StereoMode getStereoMode() const { return _stereoMode; }
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void setEyeSeperation(const float eyeSeperation) { _eyeSeperation = eyeSeperation; }
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const float getEyeSeperation() const { return _eyeSeperation; }
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void setScreenDistance(const float distance) { _screenDistance = distance; }
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const float getScreenDistance() const { return _screenDistance; }
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void setScreenHeight(const float height) { _screenHeight = height; }
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const float getScreenHeight() const { return _screenHeight; }
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void setDoubleBuffer(const bool flag) { _doubleBuffer = flag; }
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const bool getDoubleBuffer() const { return _doubleBuffer; }
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void setRGB(const bool flag) { _RGB = flag; }
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const bool getRGB() const { return _RGB; }
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void setDepthBuffer(const bool flag) { _depthBuffer = flag; }
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const bool getDepthBuffer() const { return _depthBuffer; }
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void setMinimumNumAlphaBits(const unsigned int bits) { _minimumNumberAlphaBits = bits; }
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const unsigned int getMinimumNumAlphaBits() const { return _minimumNumberAlphaBits; }
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const bool getAlphaBuffer() const { return _minimumNumberAlphaBits!=0; }
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void setMinimumNumStencilBits(const unsigned int bits) { _minimumNumberStencilBits = bits; }
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const unsigned int getMinimumNumStencilBits() const { return _minimumNumberStencilBits; }
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const bool getStencilBuffer() const { return _minimumNumberStencilBits!=0; }
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void setMaxNumberOfGraphicsContexts(const int num) { _maxNumOfGraphicsContexts = num; }
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const int getMaxNumberOfGraphicsContexts() const { return _maxNumOfGraphicsContexts; }
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protected:
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void copy(const DisplaySettings& vs);
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bool _stereo;
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StereoMode _stereoMode;
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float _eyeSeperation;
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float _screenDistance;
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float _screenHeight;
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bool _doubleBuffer;
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bool _RGB;
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bool _depthBuffer;
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unsigned int _minimumNumberAlphaBits;
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unsigned int _minimumNumberStencilBits;
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int _maxNumOfGraphicsContexts;
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};
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}
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# endif
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