?? fl_animator.cxx
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#include <FL/Fl.H>#include <FL/Fl_Animator.H>void Fl_Animator::run_animation(void *data){ Fl_Animator *ani = (Fl_Animator *) data; ani->_curframe++; if (ani->_curframe == ani->_fcount) ani->_curframe = 0; ani->redraw(); if (ani->_playing) Fl::add_timeout(ani->_interval, run_animation, data);} void Fl_Animator::draw_frame(){ int swidth = _curframe * _fwidth; _image->draw(_xpos, _ypos, _fwidth, _fheight, swidth, 0);}Fl_Animator::Fl_Animator(char * const *image, int X, int Y, int fcount, int fwidth, int fheight, int interval, const char *label = 0) : Fl_Widget(X,Y,fwidth,fheight,label) { int x, y; _image = new Fl_Pixmap(image); _xpos = X; _ypos = Y; _fcount = fcount; _fwidth = fwidth; _fheight = fheight; _interval = ((double) interval / 1000); _curframe = 0; _playing = false;}void Fl_Animator::draw() { /* Draw the current frame */ if (_image) draw_frame();}Fl_Animator::~Fl_Animator(){ delete(_image);}void Fl_Animator::start_animation(){ if (_playing == true) return; _playing = true; Fl::add_timeout(_interval, run_animation, (void *) this);}void Fl_Animator::stop_animation(){ if (_playing == false) return; _playing = false; Fl::remove_timeout(run_animation, (void *) this);}?? 快捷鍵說明
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