private async Task GetCapabilitiesAsync(int capabilityLevel = 1)
{
var request = PrepareCommand <CommandCameraCapabilities>();
var response = await request.SendAsync(false);
_capabilities = CameraCapabilities.Parse(response.RawResponse, capabilityLevel);
}
internal static CameraCapabilities Parse(byte[] bytes, int capabilityLevel=1)
{
if (bytes == null || bytes.Length == 0)
return null;
var status = bytes[bytes.Length - 1];
if (status == 0)
return null;
var cameraCapabilities = new CameraCapabilities();
var type = cameraCapabilities.GetType();
var properties=type.GetProperties();
foreach (var property in properties)
{
var attributes = property.GetCustomAttributes(typeof(CapabilityAttribute), true);
if (attributes.Length == 0)
continue;
var capability = attributes[0] as CapabilityAttribute;
SetCapability(bytes, capabilityLevel, cameraCapabilities, property, capability);
}
return cameraCapabilities;
}
internal static CameraCapabilities Parse(byte[] bytes, int capabilityLevel = 1)
{
if (bytes == null || bytes.Length == 0)
{
return(null);
}
var status = bytes[bytes.Length - 1];
if (status == 0)
{
return(null);
}
var cameraCapabilities = new CameraCapabilities();
var type = cameraCapabilities.GetType();
var properties = type.GetProperties();
foreach (var property in properties)
{
var attributes = property.GetCustomAttributes(typeof(CapabilityAttribute), true);
if (attributes.Length == 0)
{
continue;
}
var capability = attributes[0] as CapabilityAttribute;
SetCapability(bytes, capabilityLevel, cameraCapabilities, property, capability);
}
return(cameraCapabilities);
}
private static void SetCapability
(
byte[] bytes, int capabilityLevel,
CameraCapabilities cameraCapabilities,
PropertyInfo property,
CapabilityAttribute capability
)
{
if (capabilityLevel + capability.LocalIndex < bytes.Length &&
(bytes[capabilityLevel + capability.LocalIndex] & capability.Mask) == capability.Mask)
property.SetValue(cameraCapabilities, true, null);
}
private static void SetCapability
(
byte[] bytes, int capabilityLevel,
CameraCapabilities cameraCapabilities,
PropertyInfo property,
CapabilityAttribute capability
)
{
if (capabilityLevel + capability.LocalIndex < bytes.Length &&
(bytes[capabilityLevel + capability.LocalIndex] & capability.Mask) == capability.Mask)
{
property.SetValue(cameraCapabilities, true, null);
}
}