Section 3: library functions
glutSetWindow – Select the <i>current window</i> Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutSetWindow int ID Parameters Bf Em ID Ef Window identifier Description Sets the Bf Li current window Ef to Bf Sy ID. Ef All OpenGL rendering goes to the Bf Li current window Ef . Many OpenGLUT functions…
glutSetOption – Allows you to set some general state/option variables. Library OpenGLUT – state Synopsis In openglut.h Ft void Fn glutSetOption GLenum eWhat int value Parameters Bf Em eWhat Ef Enumerated parameter ID. Bf Em value Ef New value. Description Stores the Bf Sy value Ef into a state variable named by Bf Sy eWhat….
glutSetMenuData – Store menu user data pointer Library OpenGLUT – menus Synopsis In openglut.h Ft void Fn glutSetMenuData void *data Parameters Bf Em data Ef Client pointer data Description glutSetMenuData() associates an arbitrary user data pointer, Bf Sy data, Ef with the Bf Li current menu Ef . OpenGLUT does not interpret this pointer in…
glutSetMenu – Set the current menu ID. Library OpenGLUT – menus Synopsis In openglut.h Ft void Fn glutSetMenu int menuID Parameters Bf Em menuID Ef Selected menu Description Set the Bf Li current menu Ef to the specified Bf Sy menuID. Ef See Also glutGetMenu(3)
glutSetKeyRepeat – Sets autorepeat behavior for all OpenGLUT windows. Library OpenGLUT – inputstate Synopsis In openglut.h Ft void Fn glutSetKeyRepeat int repeatMode Parameters Bf Em repeatMode Ef On, Off or Default. Description glutSetKeyRepeat() is similar to glutIgnoreKeyRepeat() but sets the behavior for OpenGLUT in general, rather than for a particular window. The options for Bf…
glutSetIconTitle – Requests changing the iconified title of the current window Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutSetIconTitle const char* title Parameters Bf Em title Ef New window title Description Requests that the window system change the title of the icon (or whatever) that is displayed when the Bf Li current…
glutSetCursor – Set the cursor image to be used for the current window Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutSetCursor int cursorID Parameters Bf Em cursorID Ef Name of desired cursor. Description For the Bf Li current window Ef , sets the mouse-cursor to one of a set of predefined images….
glutSetColor – Sets an indexed color-mode entry. Library OpenGLUT – colormap Synopsis In openglut.h Ft void Fn glutSetColor int nColor GLfloat red GLfloat green GLfloat blue Parameters Bf Em nColor Ef The palette entry to change. Bf Em red Ef New red value for palette entry. Bf Em green Ef New green value for palette…
glutReshapeWindow – Request changing the size of the current window Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutReshapeWindow int width int height Parameters Bf Em width Ef Requested width of the current window Bf Em height Ef Requested height of the current window Description The glutReshapeWindow() function adjusts the width and height…
glutReshapeFunc – Sets the Reshape callback for the current window. Library OpenGLUT – windowcallback Synopsis In openglut.h Ft void Fn glutReshapeFunc void( *callback )( int w int h ) Parameters Bf Em callback Ef Client function for reshape-window event. Description This registers a function with OpenGLUT, which OpenGLUT will invoke whenever the window is reshaped…
glutReportErrors – Reports all available OpenGL errors. Library OpenGLUT – opengl Synopsis In openglut.h Ft void Fn glutReportErrors void Description Displays as an OpenGLUT warning every OpenGL error that OpenGL remembers giving to us and which we have not processed. Uses gluErrorString(). This is forcibly done by OpenGLUT periodically if "-gldebug" is one of the…
glutRemoveOverlay – Removes an overlay. Library OpenGLUT – overlays Synopsis In openglut.h Ft void Fn glutRemoveOverlay void Description Removes the overlay associated with the Bf Li current window Ef . Caveats Unimplemented. See Also glutEstablishOverlay(3) glutUseLayer(3) glutPostOverlayRedisplay(3) glutPostWindowOverlayRedisplay(3) glutShowOverlay(3) glutHideOverlay(3)
glutRemoveMenuItem – Remove a given menu item. Library OpenGLUT – menus Synopsis In openglut.h Ft void Fn glutRemoveMenuItem int item Parameters Bf Em item Ef Integer position down the list Description Walks the list of the menu items and deletes the numbered Bf Sy item Ef in the list. See Also glutAddMenuEntry(3) glutAddSubMenu(3) glutChangeToMenuEntry(3) glutChangeToSubMenu(3)
glutPushWindow – Request to lower the current window to the bottom. Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutPushWindow void Description This function requests that the Bf Li current window Ef be “pushed” to the back. A window can be in front of or behind other windows, as determined by the z-order from…
glutPostWindowRedisplay – Mark an indicated window as needing a redisplay. Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutPostWindowRedisplay int windowID Parameters Bf Em windowID Ef The OpenGLUT window id to be affected. Description Similar to glutPostRedisplay(), except that instead of affecting the Bf Li current window Ef , this function affects an…
glutPostWindowOverlayRedisplay – Posts a redisplay to the indicated window’s layer. Library OpenGLUT – overlays Synopsis In openglut.h Ft void Fn glutPostWindowOverlayRedisplay int ID Parameters Bf Em ID Ef A window ID. Description This function lets you post an overlay update to the overlay of any arbitrary window. Caveats Unimplemented. See Also glutEstablishOverlay(3) glutRemoveOverlay(3) glutUseLayer(3) glutPostOverlayRedisplay(3)…
glutPostRedisplay – Mark the current window as needing a redisplay. Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutPostRedisplay void Description Whenever circumstances indicate that your window is in need of being redisplayed, you may call glutPostRedisplay() to tell OpenGLUT that you want to redraw your graphics. Multiple calls to this function may…
glutPostOverlayRedisplay – Posts a redispaly against the layer for the current window. Library OpenGLUT – overlays Synopsis In openglut.h Ft void Fn glutPostOverlayRedisplay void Description For the Bf Li current window Ef , tells OpenGLUT that you wish to have your OverlayDisplay callback invoked. Caveats Unimplemented. See Also glutEstablishOverlay(3) glutRemoveOverlay(3) glutUseLayer(3) glutPostWindowOverlayRedisplay(3) glutShowOverlay(3) glutHideOverlay(3) glutOverlayDisplayFunc(3)…
glutPositionWindow – Request to change the position of the current window Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutPositionWindow int x int y Parameters Bf Em x Ef Requested horizontal position of the current window Bf Em y Ef Requested vertical position of the current window Description The glutPositionWindow() function requests that…
glutPopWindow – Request to raise the current window to the top Library OpenGLUT – window Synopsis In openglut.h Ft void Fn glutPopWindow void Description Request that the Bf Li current window Ef be brought to the top. A window can be in front of or behind other windows, as determined by the z-order from front…