static int _s52_draw_cb (gpointer user_data) // return TRUE for the signal to be called again { s52engine *engine = (s52engine*)user_data; //g_print("s52egl:_s52_draw_cb(): begin .. \n"); if (NULL == engine) { g_print("_s52_draw_cb(): no engine ..\n"); goto exit; } // wait for libS52 to init - no use to go further - bailout if (TRUE == engine->do_S52init) { g_print("s52egl:_s52_draw_cb(): re-starting .. waiting for S52_init() to finish\n"); goto exit; } if ((NULL==engine->eglDisplay) || (EGL_NO_DISPLAY==engine->eglDisplay)) { g_print("_s52_draw_cb(): no display ..\n"); goto exit; } // no draw at all, the window is not visible if ((FALSE==engine->do_S52draw) && (FALSE==engine->do_S52drawLast)) { //g_print("s52egl:_s52_draw_cb(): nothing to draw (do_S52draw & do_S52drawLast FALSE)\n"); goto exit; } #ifndef S52_USE_EGL _egl_beg(engine); #endif // draw background if (TRUE == engine->do_S52draw) { if (TRUE == engine->do_S52setViewPort) { eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_WIDTH, &engine->width); eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_HEIGHT, &engine->height); S52_setViewPort(0, 0, engine->width, engine->height); engine->do_S52setViewPort = FALSE; } S52_draw(); engine->do_S52draw = FALSE; } // draw AIS if (TRUE == engine->do_S52drawLast) { #ifdef USE_FAKE_AIS _s52_updTimeTag(engine); #endif S52_drawLast(); } #ifndef S52_USE_EGL _egl_end(engine); #endif exit: // debug //g_print("s52egl:_s52_draw_cb(): end .. \n"); return EGL_TRUE; }
static int _s52_draw_cb(GtkWidget *widget, GdkEventExpose *event, gpointer user_data) // return TRUE for the signal to be called again { (void)widget; (void)event; struct s52engine *engine = (struct s52engine*)user_data; //g_print("s52egl:_s52_draw_cb(): begin .. \n"); /* GTimeVal now; // 2 glong (at least 32 bits each - but amd64 !? g_get_current_time(&now); if (0 == (now.tv_sec - engine->timeLastDraw.tv_sec)) goto exit; //*/ if (NULL == engine) { g_print("_s52_draw_cb(): no engine ..\n"); goto exit; } if ((NULL==engine->eglDisplay) || (EGL_NO_DISPLAY==engine->eglDisplay)) { g_print("_s52_draw_cb(): no display ..\n"); goto exit; } // wait for libS52 to init - no use to go further - bailout if (TRUE == engine->state.do_S52init) { g_print("s52egl:_s52_draw_cb(): re-starting .. waiting for S52_init() to finish\n"); goto exit; } // no draw at all, the window is not visible if ((FALSE==engine->do_S52draw) && (FALSE==engine->do_S52drawLast)) { //g_print("s52egl:_s52_draw_cb(): nothing to draw (do_S52draw & do_S52drawLast FALSE)\n"); goto exit; } #if !defined(S52_USE_EGL) _egl_beg(engine, "test"); #endif // draw background if (TRUE == engine->do_S52draw) { if (TRUE == engine->do_S52setViewPort) { eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_WIDTH, &engine->width); eglQuerySurface(engine->eglDisplay, engine->eglSurface, EGL_HEIGHT, &engine->height); S52_setViewPort(0, 0, engine->width, engine->height); engine->do_S52setViewPort = FALSE; } S52_draw(); engine->do_S52draw = FALSE; } // draw AIS if (TRUE == engine->do_S52drawLast) { #ifdef USE_FAKE_AIS _s52_updTimeTag(engine); #endif S52_drawLast(); } #if !defined(S52_USE_EGL) _egl_end(engine); #endif exit: // debug //g_print("s52egl:_s52_draw_cb(): end .. \n"); return EGL_TRUE; }