OZ++ Class: RenderingTimer |
/****************************************************************************** * * Copyright (c) 2016 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * RenderingTimer.h * *****************************************************************************/ //2016/03/27 Simple renderingTimer thread classs. // This thread sends the Expose event to the view periodically // specified by interal(msec). #pragma once #include <oz++/Thread.h> #include <oz++/motif/View.h> namespace OZ { const char* XmNrenderingInterval = "renderingInterval"; class RenderingTimer :public Thread { private: bool looping; View* view; int interval; //msec public: RenderingTimer(View* view, int msec) :looping(true), view(view), interval(msec) { if (view == NULL) { throw IException("Invalid argument. view is NULL."); } } public: ~RenderingTimer() { terminate(); } public: void terminate() { view = NULL; looping = false; } public: void run() { int microsec = interval*1000; while(looping) { //Sleep for microsec. usleep(microsec); if (view) { //Send Expose event to the view. view -> sendExposeEvent(); view -> flush(); } } } }; }