//----------------------------------------------------------------------------------------------------------------------
void DrawPreviewImage(ref PreviewDrawInfo drawInfo, TimelineClip clip, StreamingImageSequencePlayableAsset sisAsset)
{
int imageIndex = sisAsset.LocalTimeToImageIndex(clip, drawInfo.LocalTime);
IList <string> imageFileNames = sisAsset.GetImageFileNames();
//Load
string imagePath = sisAsset.GetImageFilePath(imageIndex);
ImageLoader.GetImageDataInto(imagePath, StreamingImageSequenceConstants.IMAGE_TYPE_PREVIEW
, out ImageData readResult);
switch (readResult.ReadStatus)
{
case StreamingImageSequenceConstants.READ_STATUS_LOADING:
break;
case StreamingImageSequenceConstants.READ_STATUS_SUCCESS: {
Texture2D tex = PreviewTextureFactory.GetOrCreate(imagePath, ref readResult);
if (null != tex)
{
Graphics.DrawTexture(drawInfo.DrawRect, tex);
}
break;
}
default: {
ImageLoader.RequestLoadPreviewImage(imagePath, (int)drawInfo.DrawRect.width, (int)drawInfo.DrawRect.height);
break;
}
}
}
//----------------------------------------------------------------------------------------------------------------------
void DrawPreviewImage(ref PreviewDrawInfo drawInfo, TimelineClip clip,
RenderCachePlayableAsset renderCachePlayableAsset)
{
double normalizedLocalTime = drawInfo.LocalTime / clip.duration;
IList <string> imageFileNames = renderCachePlayableAsset.GetImageFileNames();
Assert.IsNotNull(imageFileNames);
int count = imageFileNames.Count;
Assert.IsTrue(imageFileNames.Count > 0);
int index = Mathf.RoundToInt(count * (float)normalizedLocalTime);
index = Mathf.Clamp(index, 0, count - 1);
//Load
string imagePath = renderCachePlayableAsset.GetImageFilePath(index);
if (!File.Exists(imagePath))
{
return;
}
ImageLoader.GetImageDataInto(imagePath, StreamingImageSequenceConstants.IMAGE_TYPE_PREVIEW
, out ImageData imageData);
switch (imageData.ReadStatus)
{
case StreamingImageSequenceConstants.READ_STATUS_LOADING:
break;
case StreamingImageSequenceConstants.READ_STATUS_SUCCESS: {
Texture2D tex = PreviewTextureFactory.GetOrCreate(imagePath, ref imageData);
if (null != tex)
{
Graphics.DrawTexture(drawInfo.DrawRect, tex);
}
break;
}
default: {
ImageLoader.RequestLoadPreviewImage(imagePath, (int)drawInfo.DrawRect.width, (int)drawInfo.DrawRect.height);
break;
}
}
}