private void InitExposureCompensation()
{
try
{
string property = "exposureCompensation";
var response = GetProperty(property);
// response =
// "{\"name\":\"camera.getOptions\",\"state\":\"done\",\"results\":{\"options\":{\"exposureCompensation\":0.0,\"exposureCompensationSupport\":[-2.0,-1.7,-1.3,-1.0,-0.7,-0.3,0.0,0.3,0.7,1.0,1.3,1.7,2.0]}}}";
var json = Initialize(response);
var val = json["results"]["options"][property].Value <string>();
var vals = json["results"]["options"][property + "Support"].Values <string>();
foreach (string s in vals)
{
ExposureCompensation.AddValues(s, 0);
}
ExposureCompensation.Value = val;
ExposureCompensation.ReloadValues();
ExposureCompensation.ValueChanged += (o, s, i) => SetProperty(property, double.Parse(s, CultureInfo.InvariantCulture));
}
catch (Exception ex)
{
Log.Debug("Unable to get exposureCompensation", ex);
}
}
public override bool Init(DeviceDescriptor deviceDescriptor)
{
IsBusy = false;
//the device not connected
try
{
ConnectToWiaDevice(deviceDescriptor);
}
catch (Exception exception)
{
Log.Error("Unable to connect camera using wia driver", exception);
return(false);
}
DeviceManager = new DeviceManager();
DeviceManager.RegisterEvent(Conts.wiaEventItemCreated, deviceDescriptor.WiaId);
DeviceManager.OnEvent += DeviceManager_OnEvent;
try
{
Device = deviceDescriptor.WiaDevice;
DeviceName = Device.Properties["Description"].get_Value();
Manufacturer = Device.Properties["Manufacturer"].get_Value();
SerialNumber = StaticHelper.GetSerial(Device.Properties["PnP ID String"].get_Value());
}
catch (Exception ex)
{
Log.Debug("Init error", ex);
}
IsConnected = true;
try
{
try
{
Property apertureProperty = Device.Properties[Conts.CONST_PROP_F_Number];
if (apertureProperty != null)
{
foreach (var subTypeValue in apertureProperty.SubTypeValues)
{
double d = (int)subTypeValue;
string s = (d / 100).ToString("0.0");
FNumber.AddValues(s, (int)d);
FNumber.ReloadValues();
if ((int)subTypeValue == (int)apertureProperty.get_Value())
{
FNumber.SetValue((int)d);
}
}
}
}
catch (COMException)
{
FNumber.IsEnabled = false;
}
try
{
Property isoProperty = Device.Properties[Conts.CONST_PROP_ISO_Number];
if (isoProperty != null)
{
foreach (var subTypeValue in isoProperty.SubTypeValues)
{
IsoNumber.AddValues(subTypeValue.ToString(), (int)subTypeValue);
IsoNumber.ReloadValues();
if ((int)subTypeValue == (int)isoProperty.get_Value())
{
IsoNumber.SetValue((int)subTypeValue);
}
}
}
}
catch (COMException)
{
IsoNumber.IsEnabled = false;
}
try
{
Property shutterProperty = Device.Properties[Conts.CONST_PROP_Exposure_Time];
if (shutterProperty != null)
{
foreach (int subTypeValue in shutterProperty.SubTypeValues)
{
if (ShutterTable.ContainsKey((int)subTypeValue))
{
ShutterSpeed.AddValues(ShutterTable[(int)subTypeValue], (int)subTypeValue);
}
}
ShutterSpeed.ReloadValues();
ShutterSpeed.SetValue(shutterProperty.get_Value());
}
}
catch (COMException)
{
ShutterSpeed.IsEnabled = false;
}
try
{
Property wbProperty = Device.Properties[Conts.CONST_PROP_WhiteBalance];
if (wbProperty != null)
{
foreach (var subTypeValue in wbProperty.SubTypeValues)
{
if (WbTable.ContainsKey((int)subTypeValue))
{
WhiteBalance.AddValues(WbTable[(int)subTypeValue], (int)subTypeValue);
}
}
WhiteBalance.ReloadValues();
WhiteBalance.SetValue(wbProperty.get_Value());
}
}
catch (COMException)
{
WhiteBalance.IsEnabled = false;
}
try
{
Property modeProperty = Device.Properties[Conts.CONST_PROP_ExposureMode];
if (modeProperty != null)
{
foreach (var subTypeValue in modeProperty.SubTypeValues)
{
if (ExposureModeTable.ContainsKey((int)subTypeValue))
{
Mode.AddValues(ExposureModeTable[(int)subTypeValue], Convert.ToUInt32(subTypeValue));
}
}
Mode.ReloadValues();
Mode.SetValue(Convert.ToUInt32(modeProperty.get_Value()));
}
Mode.IsEnabled = false;
}
catch (COMException)
{
Mode.IsEnabled = false;
}
try
{
Property ecProperty = Device.Properties[Conts.CONST_PROP_ExposureCompensation];
if (ecProperty != null)
{
foreach (var subTypeValue in ecProperty.SubTypeValues)
{
decimal d = (int)subTypeValue;
string s = decimal.Round(d / 1000, 1).ToString();
if (d > 0)
{
s = "+" + s;
}
ExposureCompensation.AddValues(s, (int)subTypeValue);
}
ExposureCompensation.ReloadValues();
ExposureCompensation.SetValue(ecProperty.get_Value());
}
}
catch (COMException)
{
ExposureCompensation.IsEnabled = false;
}
try
{
Property csProperty = Device.Properties[Conts.CONST_PROP_CompressionSetting];
if (csProperty != null)
{
foreach (var subTypeValue in csProperty.SubTypeValues)
{
if (CSTable.ContainsKey((int)subTypeValue))
{
CompressionSetting.AddValues(CSTable[(int)subTypeValue], (int)subTypeValue);
}
}
CompressionSetting.ReloadValues();
CompressionSetting.SetValue(csProperty.get_Value());
}
}
catch (COMException)
{
CompressionSetting.IsEnabled = false;
}
try
{
Property emmProperty = Device.Properties[Conts.CONST_PROP_ExposureMeteringMode];
if (emmProperty != null)
{
foreach (var subTypeValue in emmProperty.SubTypeValues)
{
if (EMMTable.ContainsKey((int)subTypeValue))
{
ExposureMeteringMode.AddValues(EMMTable[(int)subTypeValue], (int)subTypeValue);
}
}
ExposureMeteringMode.ReloadValues();
ExposureMeteringMode.SetValue(emmProperty.get_Value());
}
}
catch (COMException)
{
CompressionSetting.IsEnabled = false;
}
try
{
Property fmProperty = Device.Properties[Conts.CONST_PROP_FocusMode];
if (fmProperty != null)
{
foreach (int subTypeValue in fmProperty.SubTypeValues)
{
uint subval = Convert.ToUInt16(subTypeValue);
if (FMTable.ContainsKey(subval))
{
FocusMode.AddValues(FMTable[subval], subval);
}
}
FocusMode.ReloadValues();
FocusMode.SetValue(Convert.ToUInt16((int)fmProperty.get_Value()));
}
}
catch (COMException)
{
FocusMode.IsEnabled = false;
}
try
{
Battery = Device.Properties[Conts.CONST_PROP_BatteryStatus].get_Value();
}
catch (COMException)
{
Battery = 0;
}
IsConnected = true;
}
catch (Exception exception)
{
Log.Error(exception);
IsConnected = false;
}
HaveLiveView = true;
//Capabilities.Add(CapabilityEnum.LiveView);
return(true);
}