HRESULT CarouselThumbnailAnimation::Setup(D2D1_POINT_2F keyFramePoint, D2D1_POINT_2F targetPoint, double duration)
{
// Animation objects
ComPtr<IUIAnimationManager> animationManager;
ComPtr<IUIAnimationTimer> animationTimer;
ComPtr<IUIAnimationTransitionLibrary> transitionLibrary;
ComPtr<IUIAnimationStoryboard> storyboard;
// Transition objects
ComPtr<IUIAnimationTransition> transitionX1;
ComPtr<IUIAnimationTransition> transitionY1;
ComPtr<IUIAnimationTransition> transitionX2;
ComPtr<IUIAnimationTransition> transitionY2;
// Retrieve animation objects
HRESULT hr = AnimationUtility::GetAnimationManager(&animationManager);
if (SUCCEEDED(hr))
{
hr = AnimationUtility::GetTransitionLibrary(&transitionLibrary);
}
if (SUCCEEDED(hr))
{
hr = AnimationUtility::GetAnimationTimer(&animationTimer);
}
// Initialize storyboard
if (SUCCEEDED(hr))
{
hr = animationManager->CreateStoryboard(&storyboard);
// Add keyframe to increase the time of the first transition
UI_ANIMATION_SECONDS keyFrameStartTime = duration * 0.2;
UI_ANIMATION_KEYFRAME keyframe1;
hr = storyboard->AddKeyframeAtOffset(
UI_ANIMATION_KEYFRAME_STORYBOARD_START,
keyFrameStartTime,
&keyframe1);
// Use initial point to determine whether or not to do first transition
double initialPointY;
hr = m_pointY->GetValue(&initialPointY);
if (initialPointY > keyFramePoint.y)
{
if (SUCCEEDED(hr))
{
hr = transitionLibrary->CreateAccelerateDecelerateTransition(
keyFrameStartTime,
keyFramePoint.x,
0.0,
1.0,
&transitionX1);
}
if (SUCCEEDED(hr))
{
hr = storyboard->AddTransition(m_pointX, transitionX1);
}
if (SUCCEEDED(hr))
{
hr = transitionLibrary->CreateAccelerateDecelerateTransition(
keyFrameStartTime,
keyFramePoint.y,
1.0,
0.0,
&transitionY1);
if (SUCCEEDED(hr))
{
hr = storyboard->AddTransition(m_pointY, transitionY1);
}
}
}
else
{
keyFrameStartTime = 0.0;
}
if (SUCCEEDED(hr))
{
hr = transitionLibrary->CreateAccelerateDecelerateTransition(
duration - keyFrameStartTime,
targetPoint.x,
1.0,
0.0,
&transitionX2);
if (SUCCEEDED(hr))
{
if (initialPointY > keyFramePoint.y)
{
hr = storyboard->AddTransitionAtKeyframe(m_pointX, transitionX2, keyframe1);
}
else
{
hr = storyboard->AddTransition(m_pointX, transitionX2);
}
}
}
if (SUCCEEDED(hr))
{
hr = transitionLibrary->CreateAccelerateDecelerateTransition(
duration - keyFrameStartTime,
targetPoint.y,
0.0,
1.0,
&transitionY2);
if (SUCCEEDED(hr))
{
if (initialPointY > keyFramePoint.y)
{
hr = storyboard->AddTransitionAtKeyframe(m_pointY, transitionY2, keyframe1);
}
else
{
hr = storyboard->AddTransition(m_pointY, transitionY2);
}
}
}
if (SUCCEEDED(hr))
{
hr = AnimationUtility::ScheduleStoryboard(storyboard);
}
}
return hr;
}
