public static unsafe DllImports.StoryboardData GetStoryboardData(long position, int tileId)
{
const float TilePreviewTimeScale = 10.0f / 3.0f;
if (!GetInstance().storyboardReaders.ContainsKey(tileId))
{
return new DllImports.StoryboardData
{
isStoryboardReaderReady = 0,
isFrameReady = 0,
duration = 0
}
}
;
var subSkBitmap = GetInstance().storyboardReaders[tileId]
.GetFrame(TimeSpan.FromMilliseconds(position) * TilePreviewTimeScale);
if (subSkBitmap == null)
{
return new DllImports.StoryboardData
{
isStoryboardReaderReady = 1,
isFrameReady = 0,
duration = (long)(GetInstance().storyboardReaders[tileId].Duration().TotalMilliseconds /
TilePreviewTimeScale)
}
}
;
return(new DllImports.StoryboardData
{
isStoryboardReaderReady = 1,
isFrameReady = 1,
frame = new DllImports.SubBitmap
{
rectLeft = subSkBitmap.SkRect.Left,
rectRight = subSkBitmap.SkRect.Right,
rectTop = subSkBitmap.SkRect.Top,
rectBottom = subSkBitmap.SkRect.Bottom,
bitmapWidth = subSkBitmap.Bitmap.Width,
bitmapHeight = subSkBitmap.Bitmap.Height,
bitmapInfoColorType = (int)SkiaUtils.ConvertToFormat(subSkBitmap.Bitmap.Info.ColorType),
bitmapBytes = (byte *)subSkBitmap.Bitmap.GetPixels(),
bitmapHash = subSkBitmap.SkRect.GetHashCode()
},
duration = (long)(GetInstance().storyboardReaders[tileId].Duration().TotalMilliseconds /
TilePreviewTimeScale)
});
}
}
}
private static unsafe DllImports.SubBitmap GetFrame(SubSkBitmap subSkBitmap)
{
return(new DllImports.SubBitmap
{
rectLeft = subSkBitmap.SkRect.Left,
rectRight = subSkBitmap.SkRect.Right,
rectTop = subSkBitmap.SkRect.Top,
rectBottom = subSkBitmap.SkRect.Bottom,
bitmapWidth = subSkBitmap.Bitmap.Width,
bitmapHeight = subSkBitmap.Bitmap.Height,
bitmapInfoColorType = (int)SkiaUtils.ConvertToFormat(subSkBitmap.Bitmap.Info.ColorType),
bitmapBytes = (byte *)subSkBitmap.Bitmap.GetPixels(),
bitmapHash = subSkBitmap.SkRect.GetHashCode() % (int.MaxValue - 1) + 1 // let 0 be invalid hash value
});
}
