public async Task ReturnContainerRev(ImgContainer container)
{
container.Cts?.Cancel();
CancellationTokenSource cts = new CancellationTokenSource();
container.Cts = cts;
Containers.ForEach(c => c.CurrentIndex += 1);
container.CurrentIndex = -numofBackwardContainer;
container.InitPos(CurrentSlideDirection);
ReleaseContainerImage(container);
ImagePool.ShiftForwardIndex(-container.NumofImage);
MapImageFileContextToContainer(container, true);
MainWindow.Current.UpdatePageInfo();
await container.LoadImage(cts.Token);
}
public async Task ReturnContainer(ImgContainer container)
{
// まだコンテナにTaskが残っているならキャンセル
container.Cts?.Cancel();
// キャンセルトークン作成
CancellationTokenSource cts = new CancellationTokenSource();
container.Cts = cts;
Containers.ForEach(c => c.CurrentIndex -= 1);
container.CurrentIndex = numofForwardContainer;
container.InitPos(CurrentSlideDirection);
ReleaseContainerImage(container);
ImagePool.ShiftBackwardIndex(container.NumofImage);
MapImageFileContextToContainer(container, false);
MainWindow.Current.UpdatePageInfo();
await container.LoadImage(cts.Token);
}
public void ReleaseContainerImage(ImgContainer container)
{
foreach (var child in container.MainGrid.Children)
{
Image image = child as Image;
if (image != null)
{
image.Source = null;
}
}
container.ImageFileContextMapList.ForEach(context =>
{
context.RefCount--;
if (context.RefCount <= 0)
{
context.RefCount = 0;
context.BitmapImage = null;
}
});
}
/* ---------------------------------------------------- */
// コンストラクタ
/* ---------------------------------------------------- */
public ImgContainerAnimation(ImgContainer container)
{
this.container = container;
}
public void MapImageFileContextToContainer(ImgContainer container, bool isBackward)
{
container.ImageFileContextMapList.Clear();
bool bReachToEnd = false;
// 見開き用に一時変更されたコンテナだったら、標準に戻す
if (TempProfile.DetectionOfSpread.Value != DetectionOfSpread.None && container.NumofGrid == 1 && TempProfile.NumofMatrix.Grid != 1)
{
container.InitGrid(TempProfile.NumofMatrix.Col, TempProfile.NumofMatrix.Row);
container.SetImageElementToGrid();
container.InitBitmapDecodePixelOfTile();
}
for (int i = 0; i < container.NumofGrid; i++)
{
// 自動見開き対応
if (TempProfile.DetectionOfSpread.Value != DetectionOfSpread.None && !bReachToEnd && TempProfile.NumofMatrix.Grid != 1)
{
if ((!isBackward && ImagePool.IsNextPickImageSpreaded(false)) || (isBackward && ImagePool.IsNextPickImageSpreaded(true))) // 見開きの検出
{
if (i == 0)
{
// 見開きページとして表示
container.CombineAllGrid();
if (!isBackward)
{
container.ImageFileContextMapList.Add(ImagePool.PickForward());
}
else
{
container.ImageFileContextMapList.Insert(0, ImagePool.PickBackward());
}
return;
}
else
{
bReachToEnd = true; // 次のコンテナで見開きとして表示
}
}
}
// 前方向
if (!isBackward)
{
if (bReachToEnd)
{
container.ImageFileContextMapList.Add(ImagePool.DummyImageContext);
}
else
{
container.ImageFileContextMapList.Add(ImagePool.PickForward());
}
if (!bReachToEnd && ImagePool.ForwardIndex == 0)
{
bReachToEnd = true;
}
}
// 巻き戻し方向
else
{
if (bReachToEnd)
{
container.ImageFileContextMapList.Insert(0, ImagePool.DummyImageContext);
}
else
{
container.ImageFileContextMapList.Insert(0, ImagePool.PickBackward());
}
if (!bReachToEnd && ImagePool.BackwardIndex == ImagePool.ImageFileContextList.Count - 1)
{
bReachToEnd = true;
}
}
}
}