#ifndef OPENGLCANVAS_H #define OPENGLCANVAS_H // GLew might not be needed if a recent version of OpenGL is present #include #if (!defined GLEW_VERSION_1_5) || (!defined GL_VERSION_3_1) #error GLEW 1.5.2 is required #endif #define GL_GLEXT_PROTOTYPES 1 #ifdef __APPLE__ #include #include #include #include #else #include #include #include #include #endif #include #include #include #include #include #include #include "chronos.h" extern "C" { #include #include #include } class OpenGLCanvas : public QGLWidget { Q_OBJECT public: explicit OpenGLCanvas(QWidget *parent = 0); protected: void read_config_file(); void load_image(const char *new_image); void initializeGL(); void resizeGL(int w, int h); void paintGL(); void define_texture_coordinates(float *texCoord, int m, int n, float min_phi, float max_phi, float min_lambda, float max_lambda); void vertex_transformation(float *positions, int m, int n, float center_lambda, float center_phi, float fov_rads, float scale); void load_sphere_mesh(float *positions, int m, int n); float calculate_extent(float fov_rads); void define_triangle_indices(unsigned int * indices, int m, int n); int getTextureSize(const char * const progname, const char * texturePath); void readTextureBytes(const char * const progname, const char * texturePath,unsigned char * textureBytes,int * outImageWidth, int * outImageHeight); char *textFileRead(char *fn); void setShaders(); signals: void fps(QString newFPS); public slots: void change_fov(double f); // void change_scale(double s); void change_center_lambda(double lambda); void change_center_phi(double phi); void change_fov_scale_relation(QString name); void change_visualization(QString name); void change_input_image(); void slotTimer(); private: double fov; double scale; double center_lambda; double center_phi; QString fov_scale_relation; QString visualization; Chronos time_time; QTimer time_timer; int time_frames; double time_start; double time_fps; unsigned int numberOfIndices; unsigned int * triangleIndices; float * verticesPositions; float * textureCoordinates; //float windowWidth; //float windowHeight; // options set in the rc file char* shader_dir; char* input_image_file; }; #endif // OPENGLCANVAS_H