Carla/source/modules/juce_gui_extra/misc/juce_AnimatedAppComponent.cpp

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2015 - ROLI Ltd.

   Permission is granted to use this software under the terms of either:
   a) the GPL v2 (or any later version)
   b) the Affero GPL v3

   Details of these licenses can be found at: www.gnu.org/licenses

   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.

   ------------------------------------------------------------------------------

   To release a closed-source product which uses JUCE, commercial licenses are
   available: visit www.juce.com for more information.

  ==============================================================================
*/

AnimatedAppComponent::AnimatedAppComponent()
    : lastUpdateTime (Time::getCurrentTime()), totalUpdates (0)
{
    setOpaque (true);
}

void AnimatedAppComponent::setFramesPerSecond (int framesPerSecond)
{
    jassert (framesPerSecond > 0 && framesPerSecond < 1000);
    startTimerHz (framesPerSecond);
}

int AnimatedAppComponent::getMillisecondsSinceLastUpdate() const noexcept
{
    return (int) (Time::getCurrentTime() - lastUpdateTime).inMilliseconds();
}

void AnimatedAppComponent::timerCallback()
{
    ++totalUpdates;
    update();
    repaint();
    lastUpdateTime = Time::getCurrentTime();
}