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/**
******************************************************************************
* This file is part of the TouchGFX 4.10.0 distribution.
*
* @attention
*
* Copyright (c) 2018 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
#include <gui/common/ZoomAnimationBox.hpp>
ZoomAnimationBox::ZoomAnimationBox() :
Box(),
currentState(NO_ANIMATION),
animationCounter(0),
animationEndedAction(0)
{
}
ZoomAnimationBox::~ZoomAnimationBox()
{
}
void ZoomAnimationBox::startZoomAnimation(int16_t endWidth, int16_t endHeight, uint16_t duration, touchgfx::EasingEquation widthProgressionEquation /*= &touchgfx::EasingEquations::linearEaseNone*/, EasingEquation heightProgressionEquation /*= &touchgfx::EasingEquations::linearEaseNone*/)
{
touchgfx::Application::getInstance()->registerTimerWidget(this);
zoomAnimationStartX = getX();
zoomAnimationStartY = getY();
zoomAnimationStartWidth = getWidth();
zoomAnimationStartHeight = getHeight();
zoomAnimationEndWidth = endWidth;
zoomAnimationEndHeight = endHeight;
animationDuration = duration;
zoomAnimationWidthEquation = widthProgressionEquation;
zoomAnimationHeightEquation = heightProgressionEquation;
zoomAnimationDeltaX = (zoomAnimationStartWidth - zoomAnimationEndWidth) / 2;
zoomAnimationDeltaY = (zoomAnimationStartHeight - zoomAnimationEndHeight) / 2;
setCurrentState(ANIMATE_ZOOM);
}
void ZoomAnimationBox::handleTickEvent()
{
if (currentState == ANIMATE_ZOOM)
{
if (animationCounter <= animationDuration)
{
int16_t deltaWidth = zoomAnimationWidthEquation(animationCounter, 0, zoomAnimationEndWidth - zoomAnimationStartWidth, animationDuration);
int16_t deltaHeight = zoomAnimationHeightEquation(animationCounter, 0, zoomAnimationEndHeight - zoomAnimationStartHeight, animationDuration);
invalidate();
int16_t newWidth = zoomAnimationStartWidth + deltaWidth;
if (newWidth < 0)
{
newWidth = 0;
}
int16_t newHeight = zoomAnimationStartHeight + deltaHeight;
if (newHeight < 0)
{
newHeight = 0;
}
setWidth(newWidth);
setHeight(newHeight);
moveTo(zoomAnimationStartX - (deltaWidth/2), zoomAnimationStartY - (deltaHeight/2));
invalidate();
animationCounter++;
}
else
{
touchgfx::Application::getInstance()->unregisterTimerWidget(this);
setCurrentState(NO_ANIMATION);
if (animationEndedAction && animationEndedAction->isValid())
{
animationEndedAction->execute(*this);
}
}
}
}
void ZoomAnimationBox::setCurrentState(States state)
{
currentState = state;
animationCounter = 0;
}