100 lines
2.6 KiB
Text
100 lines
2.6 KiB
Text
/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file frameRateMeter.I
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* @author drose
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* @date 2003-12-23
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*/
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/**
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* Returns the GraphicsOutput that was passed to setup_window(), or NULL if
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* setup_window() has not been called.
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*/
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INLINE GraphicsOutput *FrameRateMeter::
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get_window() const {
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return _window;
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}
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/**
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* Returns the DisplayRegion that the meter has created to render itself into
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* the window to setup_window(), or NULL if setup_window() has not been
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* called.
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*/
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INLINE DisplayRegion *FrameRateMeter::
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get_display_region() const {
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return _display_region;
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}
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/**
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* Specifies the number of seconds that should elapse between updates to the
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* frame rate indication. This should be reasonably slow (e.g. 0.2 to 1.0)
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* so that the calculation of the frame rate text does not itself dominate the
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* frame rate.
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*/
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INLINE void FrameRateMeter::
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set_update_interval(double update_interval) {
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_update_interval = update_interval;
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}
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/**
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* Returns the number of seconds that will elapse between updates to the frame
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* rate indication.
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*/
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INLINE double FrameRateMeter::
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get_update_interval() const {
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return _update_interval;
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}
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/**
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* Sets the sprintf() pattern that is used to format the text. The string
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* "%f" or some variant will be replaced with the current frame rate in frames
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* per second.
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*/
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INLINE void FrameRateMeter::
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set_text_pattern(const std::string &text_pattern) {
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_text_pattern = text_pattern;
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Thread *current_thread = Thread::get_current_thread();
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do_update(current_thread);
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}
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/**
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* Returns the sprintf() pattern that is used to format the text.
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*/
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INLINE const std::string &FrameRateMeter::
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get_text_pattern() const {
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return _text_pattern;
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}
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/**
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* Sets the clock that is used to determine the frame rate. The default is
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* the application's global clock (ClockObject::get_global_clock()).
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*/
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INLINE void FrameRateMeter::
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set_clock_object(ClockObject *clock_object) {
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_clock_object = clock_object;
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_last_update = 0.0f;
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}
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/**
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* Returns the clock that is used to determine the frame rate.
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*/
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INLINE ClockObject *FrameRateMeter::
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get_clock_object() const {
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return _clock_object;
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}
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/**
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* You can call this to explicitly force the FrameRateMeter to update itself
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* with the latest frame rate information. Normally, it is not necessary to
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* call this explicitly.
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*/
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INLINE void FrameRateMeter::
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update() {
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Thread *current_thread = Thread::get_current_thread();
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do_update(current_thread);
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}
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