private unsafe void ReadRegionInternal(int level, long x, long y, long width, long height, void *pointer)
{
var handle = EnsureNotDisposed();
OpenSlideInterop.ReadRegion(handle, pointer, x, y, level, width, height);
ThrowHelper.CheckAndThrowError(handle);
}
private unsafe void ReadAssociatedImageInternal(string name, void *pointer)
{
var handle = EnsureNotDisposed();
OpenSlideInterop.ReadAssociatedImage(handle, name, pointer);
ThrowHelper.CheckAndThrowError(handle);
}
/// <summary>
/// Get the array of property names.
/// </summary>
/// <returns></returns>
public IReadOnlyList <string> GetAllPropertyNames()
{
EnsureNotDisposed();
string[] properties = Interop.GetPropertyNames(_handle);
ThrowHelper.CheckAndThrowError(_handle);
return(properties);
}
public IReadOnlyCollection <string> GetAllAssociatedImageNames()
{
EnsureNotDisposed();
var associatedImages = Interop.GetAssociatedImageNames(_handle);
ThrowHelper.CheckAndThrowError(_handle);
return(associatedImages);
}
public string this[string name]
{
get
{
EnsureNotDisposed();
string value = Interop.GetPropertyValue(_handle, name);
ThrowHelper.CheckAndThrowError(_handle);
return(value);
}
}
/// <summary>
/// Get a (width, height) tuple for level k of the slide.
/// </summary>
/// <param name="level">the k level</param>
/// <returns>A (width, height) tuple for level k of the slide.</returns>
public ImageDimensions GetLevelDimensions(int level)
{
EnsureNotDisposed();
Interop.GetLevelDimensions(_handle, level, out long w, out long h);
if (w == -1 || h == -1)
{
ThrowHelper.CheckAndThrowError(_handle);
}
return(new ImageDimensions(w, h));
}
public string?this[string name]
{
get
{
var handle = EnsureNotDisposed();
string?value = OpenSlideInterop.GetPropertyValue(handle, name);
ThrowHelper.CheckAndThrowError(handle);
return(value);
}
}
private void EnsureDimensionsCached()
{
if (_dimensionsCache == null)
{
Interop.GetLevel0Dimensions(_handle, out long w, out long h);
if (w == -1 || h == -1)
{
ThrowHelper.CheckAndThrowError(_handle);
}
_dimensionsCache = new ImageDimensions(w, h);
}
}
/// <summary>
/// Get the downsample factor for level k of the slide.
/// </summary>
/// <param name="level">the k level</param>
/// <returns>The downsample factor for level k of the slide.</returns>
public double GetLevelDownsample(int level)
{
EnsureNotDisposed();
double result = Interop.GetLevelDownsample(_handle, level);
if (result == -1.0d)
{
ThrowHelper.CheckAndThrowError(_handle);
}
return(result);
}
private ImageDimensions EnsureDimensionsCached()
{
var handle = EnsureNotDisposed();
if (_dimensionsCache == null)
{
OpenSlideInterop.GetLevel0Dimensions(handle, out long w, out long h);
if (w == -1 || h == -1)
{
ThrowHelper.CheckAndThrowError(handle);
}
var dimensions = new ImageDimensions(w, h);
_dimensionsCache = dimensions;
return(dimensions);
}
return(_dimensionsCache.GetValueOrDefault());;
}
private unsafe void ReadRegionInternal(int level, long x, long y, long width, long height, void *pointer)
{
Interop.ReadRegion(_handle, pointer, x, y, level, width, height);
ThrowHelper.CheckAndThrowError(_handle);
}
private unsafe void ReadAssociatedImageInternal(string name, void *pointer)
{
Interop.ReadAssociatedImage(_handle, name, pointer);
ThrowHelper.CheckAndThrowError(_handle);
}
