private void SetupFlyinAnim()
{
flyinAnim = new Animator()
{
OnCompleted = () =>
{
currentIndex = newIndex;
drawPrev = imgs.Count > 0 && currentIndex > 0;
drawNext = currentIndex < imgs.Count - 1;
opacityBrush.Color = Color.FromArgb(0, Color.Black);
RecalcImageRect();
}
};
flyinAnim.Add(new Step
{
Interval = 20, // ms
TotalStep = step,
AnimAction = (stepI) =>
{
// current
currentImgRect = currentImgRect.AdjustXF(direction * vCurrentHor);
opacityBrush.Color = Color.FromArgb(255 - stepI * opacityStep, Color.Black);
// next
newImgRect = newImgRect.AdjustSizeFromCenter(vNewHor, vNewVer);
Invalidate();
}
});
}
private void FlyOut()
{
// setup to reduce size of new image
currentImgRect = ImageDisplayModeHelper.GetImageRect(
this.ClientRectangle,
new Rectangle(Point.Empty, imgs[currentIndex].Size),
DisplayMode.ScaleLossLessCenter);
int offsetSizeHor = 40;
int offsetSizeVer = (int)(offsetSizeHor * 1f * currentImgRect.Height / currentImgRect.Width);
vNewHor = -1f * offsetSizeHor / step;
vNewVer = -1f * offsetSizeVer / step;
//
newImgRect = ImageDisplayModeHelper.GetImageRect(
this.ClientRectangle,
new Rectangle(Point.Empty, imgs[newIndex].Size),
DisplayMode.ScaleLossLessCenter);
// setup prev image on the left
newImgRect = newImgRect.AdjustXF(-newImgRect.Right);
// and move direction is to the right
direction = 1;
s = (int)(0.5 * (this.Width + newImgRect.Width));
vCurrentHor = s / step;
flyoutAnim.Start();
}
