/// <summary>
/// Возврашает массив CoreImageInfo содержащихся в переданной группе.
/// </summary>
/// <param name="groupId"></param>
/// <param name="startFrom"></param>
/// <param name="size"></param>
/// <returns></returns>
public CoreImageInfo[] GetImageInfo(int groupId, uint startFrom, uint size)
{
uint imageInfoSize = GetImageInfoSize(groupId);
if (imageInfoSize > startFrom)
{
object imageInfoObject = new CoreDll.adImageInfoW();
int sizeOfImageInfo = Marshal.SizeOf(imageInfoObject);
byte[] buffer = new byte[sizeOfImageInfo * PAGE_SIZE];
size = Math.Min(imageInfoSize - startFrom, size);
CoreImageInfo[] imageInfos = new CoreImageInfo[size];
uint pageCount = (uint)(size / PAGE_SIZE + (size % PAGE_SIZE > 0 ? 1 : 0));
for (uint page = 0; page < pageCount; ++page)
{
UIntPtr[] pStartFrom = new UIntPtr[1];
pStartFrom[0] = new UIntPtr(startFrom + page * PAGE_SIZE);
UIntPtr[] pSize = new UIntPtr[1];
pSize[0] = new UIntPtr(PAGE_SIZE);
if (m_dll.adImageInfoGetW(m_handle, new IntPtr(groupId), Marshal.UnsafeAddrOfPinnedArrayElement(pStartFrom, 0),
Marshal.UnsafeAddrOfPinnedArrayElement(buffer, 0),
Marshal.UnsafeAddrOfPinnedArrayElement(pSize, 0)) == CoreDll.Error.Ok)
{
for (uint i = 0; i < pSize[0].ToUInt32(); ++i)
{
IntPtr pImageInfo = Marshal.UnsafeAddrOfPinnedArrayElement(buffer, (int)(i * sizeOfImageInfo));
CoreDll.adImageInfoW imageInfo = (CoreDll.adImageInfoW)Marshal.PtrToStructure(pImageInfo, imageInfoObject.GetType());
imageInfos[page * PAGE_SIZE + i] = new CoreImageInfo(ref imageInfo);
}
}
}
return(imageInfos);
}
return(null);
}
