00001 /* 00002 * LadybugVirtualCamera.h 00003 * 00004 * Created on: Aug 5, 2010 00005 * Author: petrito1@cmp.felk.cvut.cz 00006 */ 00007 00008 #ifndef NIFTI_LADYBUG_LADYBUGVIRTUALCAMERA_H_ 00009 #define NIFTI_LADYBUG_LADYBUGVIRTUALCAMERA_H_ 00010 00011 #include <GL/glew.h> 00012 #include <GL/gl.h> 00013 00014 #include <opencv2/core/core.hpp> 00015 00016 namespace nifti { 00017 namespace ladybug { 00018 00026 class LadybugVirtualCamera { 00027 private: 00028 static const int NUM_CAMERAS = 6; 00029 00033 int viewportWidth; 00037 int viewportHeight; 00038 00042 double pan; 00046 double tilt; 00050 double horizontalFov; 00054 double verticalFov; 00055 00059 int meshCols; 00063 int meshRows; 00069 double* mesh[NUM_CAMERAS]; 00070 00074 bool alphamaskAvailable; 00078 int alphaMaskWidths[NUM_CAMERAS]; 00082 int alphaMaskHeights[NUM_CAMERAS]; 00088 unsigned char* alphamasks[NUM_CAMERAS]; 00089 00093 int imageWidths[NUM_CAMERAS]; 00097 int imageHeights[NUM_CAMERAS]; 00098 00102 GLuint glTextures[NUM_CAMERAS]; 00106 int glTextureWidths[NUM_CAMERAS]; 00110 int glTextureHeights[NUM_CAMERAS]; 00114 bool initialized; 00118 bool offScreenRendering; 00122 GLuint frameBuffer; 00126 GLuint colorRenderBuffer; 00130 GLuint depthRenderBuffer; 00131 00135 int getMinimumPowerOfTwo(int n); 00136 00140 void updateBuffers(); 00141 00145 void deleteBuffers(); 00149 void initializeTextures(); 00153 void initializeFramebuffers(); 00154 00155 public: 00156 LadybugVirtualCamera(); 00157 virtual ~LadybugVirtualCamera(); 00158 00164 void initialize(bool offScreenRendering); 00165 00169 void loadMesh(const std::string& meshFile); 00173 void clearMesh(); 00174 00179 void loadAlphamask(const std::string& alphamaskFilePrefix); 00180 00185 void clearAlphamask(); 00186 00190 void setImage(const int& i, const cv::Mat& image); 00194 void setImages(const cv::Mat(&images)[NUM_CAMERAS]); 00198 void setImages(const cv::Mat& composite); 00199 00203 void renderView(cv::Mat& image); 00204 00205 void getViewport(int* viewportWidth, int* viewportHeight); 00206 void setViewport(int viewportWidth, int viewportHeight); 00207 00208 double getPan(); 00209 void setPan(double pan); 00210 double getTilt(); 00211 void setTilt(double tilt); 00212 double getHorizontalFov(); 00213 void setHorizontalFov(double horizontalFov); 00214 double getVerticalFov(); 00215 void setVerticalFov(double verticalFov); 00216 00217 // Made public so the they can be used as GLUT callbacks: 00221 void updateViewport(); 00222 00226 void updateProjection(); 00227 00231 void updateModelView(); 00232 00236 void render(); 00237 00241 void clearBuffers(); 00242 00246 bool isInitialized(); 00247 00248 }; 00249 00250 } 00251 } 00252 00253 #endif /* NIFTI_LADYBUG_LADYBUGVIRTUALCAMERA_H_ */
