// // GLUT emulation header file for the Fast Light Tool Kit (FLTK). // // Copyright 1998-2015 by Bill Spitzak and others. // // This library is free software. Distribution and use rights are outlined in // the file "COPYING" which should have been included with this file. If this // file is missing or damaged, see the license at: // // https://www.fltk.org/COPYING.php // // Please see the following page on how to report bugs and issues: // // https://www.fltk.org/bugs.php // // Emulation of GLUT using fltk. // GLUT is Copyright (c) Mark J. Kilgard, 1994, 1995, 1996: // "This program is freely distributable without licensing fees and is // provided without guarantee or warrantee expressed or implied. This // program is -not- in the public domain." // Although I have copied the GLUT API, none of my code is based on // any GLUT implementation details and is therefore covered by the LGPL. // Commented out lines indicate parts of GLUT that are not emulated. #ifndef Fl_glut_H # define Fl_glut_H # include "gl.h" # include "Fl.H" # include "Fl_Gl_Window.H" /** GLUT is emulated using this window class and these static variables (plus several more static variables hidden in glut_compatibility.cxx): */ class FL_EXPORT Fl_Glut_Window : public Fl_Gl_Window { void _init(); int mouse_down; protected: void draw(); void draw_overlay(); int handle(int); public: // so the inline functions work int number; int menu[3]; void make_current(); void (*display)(); void (*overlaydisplay)(); void (*reshape)(int w, int h); void (*keyboard)(uchar, int x, int y); void (*mouse)(int b, int state, int x, int y); void (*motion)(int x, int y); void (*passivemotion)(int x, int y); void (*entry)(int); void (*visibility)(int); void (*special)(int, int x, int y); Fl_Glut_Window(int w, int h, const char *t=0); Fl_Glut_Window(int x, int y, int w, int h, const char *t=0); ~Fl_Glut_Window(); }; extern FL_EXPORT Fl_Glut_Window *glut_window; // the current window extern FL_EXPORT int glut_menu; // the current menu // function pointers that are not per-window: extern FL_EXPORT void (*glut_idle_function)(); extern FL_EXPORT void (*glut_menustate_function)(int); extern FL_EXPORT void (*glut_menustatus_function)(int,int,int); //////////////////////////////////////////////////////////////// //# define GLUT_API_VERSION This does not match any version of GLUT exactly... FL_EXPORT void glutInit(int *argcp, char **argv); // creates first window FL_EXPORT void glutInitDisplayMode(unsigned int mode); // the FL_ symbols have the same value as the GLUT ones: # define GLUT_RGB FL_RGB # define GLUT_RGBA FL_RGB # define GLUT_INDEX FL_INDEX # define GLUT_SINGLE FL_SINGLE # define GLUT_DOUBLE FL_DOUBLE # define GLUT_ACCUM FL_ACCUM # define GLUT_ALPHA FL_ALPHA # define GLUT_DEPTH FL_DEPTH # define GLUT_STENCIL FL_STENCIL # define GLUT_MULTISAMPLE FL_MULTISAMPLE # define GLUT_STEREO FL_STEREO // # define GLUT_LUMINANCE 512 FL_EXPORT void glutInitWindowPosition(int x, int y); FL_EXPORT void glutInitWindowSize(int w, int h); FL_EXPORT void glutMainLoop(); FL_EXPORT int glutCreateWindow(char *title); FL_EXPORT int glutCreateWindow(const char *title); FL_EXPORT int glutCreateSubWindow(int win, int x, int y, int width, int height); FL_EXPORT void glutDestroyWindow(int win); inline void glutPostRedisplay() {glut_window->redraw();} FL_EXPORT void glutPostWindowRedisplay(int win); FL_EXPORT void glutSwapBuffers(); inline int glutGetWindow() {return glut_window->number;} FL_EXPORT void glutSetWindow(int win); inline void glutSetWindowTitle(char *t) {glut_window->label(t);} inline void glutSetIconTitle(char *t) {glut_window->iconlabel(t);} inline void glutPositionWindow(int x, int y) {glut_window->position(x,y);} inline void glutReshapeWindow(int w, int h) {glut_window->size(w,h);} inline void glutPopWindow() {glut_window->show();} inline void glutPushWindow() { /* do nothing */ } inline void glutIconifyWindow() {glut_window->iconize();} inline void glutShowWindow() {glut_window->show();} inline void glutHideWindow() {glut_window->hide();} inline void glutFullScreen() {glut_window->fullscreen();} inline void glutSetCursor(Fl_Cursor cursor) {glut_window->cursor(cursor);} // notice that the numeric values are different than glut: # define GLUT_CURSOR_RIGHT_ARROW ((Fl_Cursor)2) # define GLUT_CURSOR_LEFT_ARROW ((Fl_Cursor)67) # define GLUT_CURSOR_INFO FL_CURSOR_HAND # define GLUT_CURSOR_DESTROY ((Fl_Cursor)45) # define GLUT_CURSOR_HELP FL_CURSOR_HELP # define GLUT_CURSOR_CYCLE ((Fl_Cursor)26) # define GLUT_CURSOR_SPRAY ((Fl_Cursor)63) # define GLUT_CURSOR_WAIT FL_CURSOR_WAIT # define GLUT_CURSOR_TEXT FL_CURSOR_INSERT # define GLUT_CURSOR_CROSSHAIR FL_CURSOR_CROSS # define GLUT_CURSOR_UP_DOWN FL_CURSOR_NS # define GLUT_CURSOR_LEFT_RIGHT FL_CURSOR_WE # define GLUT_CURSOR_TOP_SIDE FL_CURSOR_N # define GLUT_CURSOR_BOTTOM_SIDE FL_CURSOR_S # define GLUT_CURSOR_LEFT_SIDE FL_CURSOR_W # define GLUT_CURSOR_RIGHT_SIDE FL_CURSOR_E # define GLUT_CURSOR_TOP_LEFT_CORNER FL_CURSOR_NW # define GLUT_CURSOR_TOP_RIGHT_CORNER FL_CURSOR_NE # define GLUT_CURSOR_BOTTOM_RIGHT_CORNER FL_CURSOR_SE # define GLUT_CURSOR_BOTTOM_LEFT_CORNER FL_CURSOR_SW # define GLUT_CURSOR_INHERIT FL_CURSOR_DEFAULT # define GLUT_CURSOR_NONE FL_CURSOR_NONE # define GLUT_CURSOR_FULL_CROSSHAIR FL_CURSOR_CROSS inline void glutWarpPointer(int, int) { /* do nothing */ } inline void glutEstablishOverlay() {glut_window->make_overlay_current();} inline void glutRemoveOverlay() {glut_window->hide_overlay();} inline void glutUseLayer(GLenum layer) { layer ? glut_window->make_overlay_current() : glut_window->make_current();} enum {GLUT_NORMAL, GLUT_OVERLAY}; inline void glutPostOverlayRedisplay() {glut_window->redraw_overlay();} inline void glutShowOverlay() {glut_window->redraw_overlay();} inline void glutHideOverlay() {glut_window->hide_overlay();} FL_EXPORT int glutCreateMenu(void (*)(int)); FL_EXPORT void glutDestroyMenu(int menu); inline int glutGetMenu() {return glut_menu;} inline void glutSetMenu(int m) {glut_menu = m;} FL_EXPORT void glutAddMenuEntry(const char *label, int value); FL_EXPORT void glutAddSubMenu(char *label, int submenu); FL_EXPORT void glutChangeToMenuEntry(int item, char *labela, int value); FL_EXPORT void glutChangeToSubMenu(int item, char *label, int submenu); FL_EXPORT void glutRemoveMenuItem(int item); inline void glutAttachMenu(int b) {glut_window->menu[b] = glut_menu;} inline void glutDetachMenu(int b) {glut_window->menu[b] = 0;} inline void glutDisplayFunc(void (*f)()) {glut_window->display = f;} inline void glutReshapeFunc(void (*f)(int w, int h)) {glut_window->reshape=f;} inline void glutKeyboardFunc(void (*f)(uchar key, int x, int y)) { glut_window->keyboard = f;} inline void glutMouseFunc(void (*f)(int b, int state, int x, int y)) { glut_window->mouse = f;} # define GLUT_LEFT_BUTTON 0 # define GLUT_MIDDLE_BUTTON 1 # define GLUT_RIGHT_BUTTON 2 # define GLUT_DOWN 0 # define GLUT_UP 1 inline void glutMotionFunc(void (*f)(int x, int y)) {glut_window->motion= f;} inline void glutPassiveMotionFunc(void (*f)(int x, int y)) { glut_window->passivemotion= f;} inline void glutEntryFunc(void (*f)(int s)) {glut_window->entry = f;} enum {GLUT_LEFT, GLUT_ENTERED}; inline void glutVisibilityFunc(void (*f)(int s)) {glut_window->visibility=f;} enum {GLUT_NOT_VISIBLE, GLUT_VISIBLE}; FL_EXPORT void glutIdleFunc(void (*f)()); inline void glutTimerFunc(unsigned int msec, void (*f)(int), int value) { Fl::add_timeout(msec*.001, (void (*)(void *))f, (void *)(fl_intptr_t)value); } inline void glutMenuStateFunc(void (*f)(int state)) { glut_menustate_function = f;} inline void glutMenuStatusFunc(void (*f)(int status, int x, int y)) { glut_menustatus_function = f;} enum {GLUT_MENU_NOT_IN_USE, GLUT_MENU_IN_USE}; inline void glutSpecialFunc(void (*f)(int key, int x, int y)) { glut_window->special = f;} # define GLUT_KEY_F1 1 # define GLUT_KEY_F2 2 # define GLUT_KEY_F3 3 # define GLUT_KEY_F4 4 # define GLUT_KEY_F5 5 # define GLUT_KEY_F6 6 # define GLUT_KEY_F7 7 # define GLUT_KEY_F8 8 # define GLUT_KEY_F9 9 # define GLUT_KEY_F10 10 # define GLUT_KEY_F11 11 # define GLUT_KEY_F12 12 // WARNING: Different values than GLUT uses: # define GLUT_KEY_LEFT FL_Left # define GLUT_KEY_UP FL_Up # define GLUT_KEY_RIGHT FL_Right # define GLUT_KEY_DOWN FL_Down # define GLUT_KEY_PAGE_UP FL_Page_Up # define GLUT_KEY_PAGE_DOWN FL_Page_Down # define GLUT_KEY_HOME FL_Home # define GLUT_KEY_END FL_End # define GLUT_KEY_INSERT FL_Insert //inline void glutSpaceballMotionFunc(void (*)(int x, int y, int z)); //inline void glutSpaceballRotateFunc(void (*)(int x, int y, int z)); //inline void glutSpaceballButtonFunc(void (*)(int button, int state)); //inline void glutButtonBoxFunc(void (*)(int button, int state)); //inline void glutDialsFunc(void (*)(int dial, int value)); //inline void glutTabletMotionFunc(void (*)(int x, int y)); //inline void glutTabletButtonFunc(void (*)(int button, int state, int x, int y)); inline void glutOverlayDisplayFunc(void (*f)()) { glut_window->overlaydisplay = f;} //inline void glutWindowStatusFunc(void (*)(int state)); //enum {GLUT_HIDDEN, GLUT_FULLY_RETAINED, GLUT_PARTIALLY_RETAINED, // GLUT_FULLY_COVERED}; //inline void glutSetColor(int, GLfloat red, GLfloat green, GLfloat blue); //inline GLfloat glutGetColor(int ndx, int component); //#define GLUT_RED 0 //#define GLUT_GREEN 1 //#define GLUT_BLUE 2 //inline void glutCopyColormap(int win); // Warning: values are changed from GLUT! // Also relies on the GL_ symbols having values greater than 100 FL_EXPORT int glutGet(GLenum type); enum { GLUT_RETURN_ZERO = 0, GLUT_WINDOW_X, GLUT_WINDOW_Y, GLUT_WINDOW_WIDTH, GLUT_WINDOW_HEIGHT, GLUT_WINDOW_PARENT, GLUT_SCREEN_WIDTH, GLUT_SCREEN_HEIGHT, GLUT_MENU_NUM_ITEMS, GLUT_DISPLAY_MODE_POSSIBLE, GLUT_INIT_WINDOW_X, GLUT_INIT_WINDOW_Y, GLUT_INIT_WINDOW_WIDTH, GLUT_INIT_WINDOW_HEIGHT, GLUT_INIT_DISPLAY_MODE, GLUT_WINDOW_BUFFER_SIZE, GLUT_VERSION //GLUT_WINDOW_NUM_CHILDREN, //GLUT_WINDOW_CURSOR, //GLUT_SCREEN_WIDTH_MM, //GLUT_SCREEN_HEIGHT_MM, //GLUT_ELAPSED_TIME, }; # define GLUT_WINDOW_STENCIL_SIZE GL_STENCIL_BITS # define GLUT_WINDOW_DEPTH_SIZE GL_DEPTH_BITS # define GLUT_WINDOW_RED_SIZE GL_RED_BITS # define GLUT_WINDOW_GREEN_SIZE GL_GREEN_BITS # define GLUT_WINDOW_BLUE_SIZE GL_BLUE_BITS # define GLUT_WINDOW_ALPHA_SIZE GL_ALPHA_BITS # define GLUT_WINDOW_ACCUM_RED_SIZE GL_ACCUM_RED_BITS # define GLUT_WINDOW_ACCUM_GREEN_SIZE GL_ACCUM_GREEN_BITS # define GLUT_WINDOW_ACCUM_BLUE_SIZE GL_ACCUM_BLUE_BITS # define GLUT_WINDOW_ACCUM_ALPHA_SIZE GL_ACCUM_ALPHA_BITS # define GLUT_WINDOW_DOUBLEBUFFER GL_DOUBLEBUFFER # define GLUT_WINDOW_RGBA GL_RGBA # define GLUT_WINDOW_COLORMAP_SIZE GL_INDEX_BITS # ifdef GL_SAMPLES_SGIS # define GLUT_WINDOW_NUM_SAMPLES GL_SAMPLES_SGIS # else # define GLUT_WINDOW_NUM_SAMPLES GLUT_RETURN_ZERO # endif # define GLUT_WINDOW_STEREO GL_STEREO # define GLUT_HAS_KEYBOARD 600 # define GLUT_HAS_MOUSE 601 # define GLUT_HAS_SPACEBALL 602 # define GLUT_HAS_DIAL_AND_BUTTON_BOX 603 # define GLUT_HAS_TABLET 604 # define GLUT_NUM_MOUSE_BUTTONS 605 # define GLUT_NUM_SPACEBALL_BUTTONS 606 # define GLUT_NUM_BUTTON_BOX_BUTTONS 607 # define GLUT_NUM_DIALS 608 # define GLUT_NUM_TABLET_BUTTONS 609 FL_EXPORT int glutDeviceGet(GLenum type); // WARNING: these values are different than GLUT uses: # define GLUT_ACTIVE_SHIFT FL_SHIFT # define GLUT_ACTIVE_CTRL FL_CTRL # define GLUT_ACTIVE_ALT FL_ALT inline int glutGetModifiers() {return Fl::event_state() & (GLUT_ACTIVE_SHIFT | GLUT_ACTIVE_CTRL | GLUT_ACTIVE_ALT);} FL_EXPORT int glutLayerGet(GLenum); # define GLUT_OVERLAY_POSSIBLE 800 //#define GLUT_LAYER_IN_USE 801 //#define GLUT_HAS_OVERLAY 802 # define GLUT_TRANSPARENT_INDEX 803 # define GLUT_NORMAL_DAMAGED 804 # define GLUT_OVERLAY_DAMAGED 805 extern "C" { typedef void (*GLUTproc)(); } FL_EXPORT GLUTproc glutGetProcAddress(const char *procName); //inline int glutVideoResizeGet(GLenum param); //#define GLUT_VIDEO_RESIZE_POSSIBLE 900 //#define GLUT_VIDEO_RESIZE_IN_USE 901 //#define GLUT_VIDEO_RESIZE_X_DELTA 902 //#define GLUT_VIDEO_RESIZE_Y_DELTA 903 //#define GLUT_VIDEO_RESIZE_WIDTH_DELTA 904 //#define GLUT_VIDEO_RESIZE_HEIGHT_DELTA 905 //#define GLUT_VIDEO_RESIZE_X 906 //#define GLUT_VIDEO_RESIZE_Y 907 //#define GLUT_VIDEO_RESIZE_WIDTH 908 //#define GLUT_VIDEO_RESIZE_HEIGHT 909 //inline void glutSetupVideoResizing(); //inline void glutStopVideoResizing(); //inline void glutVideoResize(int x, int y, int width, int height); //inline void glutVideoPan(int x, int y, int width, int height); // Font argument must be a void* for compatibility, so... /** fltk glut font/size attributes used in the glutXXX functions */ struct Fl_Glut_Bitmap_Font {Fl_Font font; Fl_Fontsize size;}; extern FL_EXPORT struct Fl_Glut_Bitmap_Font glutBitmap9By15, glutBitmap8By13, glutBitmapTimesRoman10, glutBitmapTimesRoman24, glutBitmapHelvetica10, glutBitmapHelvetica12, glutBitmapHelvetica18; # define GLUT_BITMAP_9_BY_15 (&glutBitmap9By15) # define GLUT_BITMAP_8_BY_13 (&glutBitmap8By13) # define GLUT_BITMAP_TIMES_ROMAN_10 (&glutBitmapTimesRoman10) # define GLUT_BITMAP_TIMES_ROMAN_24 (&glutBitmapTimesRoman24) # define GLUT_BITMAP_HELVETICA_10 (&glutBitmapHelvetica10) # define GLUT_BITMAP_HELVETICA_12 (&glutBitmapHelvetica12) # define GLUT_BITMAP_HELVETICA_18 (&glutBitmapHelvetica18) FL_EXPORT void glutBitmapCharacter(void *font, int character); FL_EXPORT int glutBitmapHeight(void *font); FL_EXPORT int glutBitmapLength(void *font, const unsigned char *string); FL_EXPORT void glutBitmapString(void *font, const unsigned char *string); FL_EXPORT int glutBitmapWidth(void *font, int character); FL_EXPORT int glutExtensionSupported(char *name); /* GLUT stroked font sub-API */ struct Fl_Glut_StrokeVertex { GLfloat X, Y; }; struct Fl_Glut_StrokeStrip { int Number; const Fl_Glut_StrokeVertex* Vertices; }; struct Fl_Glut_StrokeChar { GLfloat Right; int Number; const Fl_Glut_StrokeStrip* Strips; }; struct Fl_Glut_StrokeFont { char* Name; // The source font name int Quantity; // Number of chars in font GLfloat Height; // Height of the characters const Fl_Glut_StrokeChar** Characters;// The characters mapping }; extern FL_EXPORT Fl_Glut_StrokeFont glutStrokeRoman; extern FL_EXPORT Fl_Glut_StrokeFont glutStrokeMonoRoman; # define GLUT_STROKE_ROMAN (&glutStrokeRoman) # define GLUT_STROKE_MONO_ROMAN (&glutStrokeMonoRoman) FL_EXPORT void glutStrokeCharacter(void *font, int character); FL_EXPORT GLfloat glutStrokeHeight(void *font); FL_EXPORT int glutStrokeLength(void *font, const unsigned char *string); FL_EXPORT void glutStrokeString(void *font, const unsigned char *string); FL_EXPORT int glutStrokeWidth(void *font, int character); /* GLUT pre-built models sub-API */ FL_EXPORT void glutWireSphere(GLdouble radius, GLint slices, GLint stacks); FL_EXPORT void glutSolidSphere(GLdouble radius, GLint slices, GLint stacks); FL_EXPORT void glutWireCone(GLdouble base, GLdouble height, GLint slices, GLint stacks); FL_EXPORT void glutSolidCone(GLdouble base, GLdouble height, GLint slices, GLint stacks); FL_EXPORT void glutWireCube(GLdouble size); FL_EXPORT void glutSolidCube(GLdouble size); FL_EXPORT void glutWireTorus(GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings); FL_EXPORT void glutSolidTorus(GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings); FL_EXPORT void glutWireDodecahedron(); FL_EXPORT void glutSolidDodecahedron(); FL_EXPORT void glutWireTeapot(GLdouble size); FL_EXPORT void glutSolidTeapot(GLdouble size); FL_EXPORT void glutWireOctahedron(); FL_EXPORT void glutSolidOctahedron(); FL_EXPORT void glutWireTetrahedron(); FL_EXPORT void glutSolidTetrahedron(); FL_EXPORT void glutWireIcosahedron(); FL_EXPORT void glutSolidIcosahedron(); #endif // !Fl_glut_H