private void FillSignatureHelperTopaz(string keyData, string signature)
{
if (!CheckTopaz())
{
return;
}
//According to Jeff Robertson from Topaz, the method SetKeyString() should be used to clear out the key string before loading a signature.
//For that reason, it should only be called with 16 zeros as its arguments. The actual data that the signature will be bound to should be passed
//to the method SetAutoKeyData().
sigBox.Visible = false;
sigBoxTopaz.Visible = true;
labelInvalidSig.Visible = false;
TopazWrapper.ClearTopaz(sigBoxTopaz);
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 0);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 0);
TopazWrapper.SetTopazKeyString(sigBoxTopaz, "0000000000000000"); //Clear out the key string
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 2); //high encryption
TopazWrapper.SetTopazCompressionMode(sigBoxTopaz, 2); //high compression
string hashedKeyData;
switch (_signatureMode)
{
case SigMode.TreatPlan:
hashedKeyData = TreatPlans.GetHashStringForSignature(keyData); //Passed in key data has not been hashed yet.
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, hashedKeyData);
break;
case SigMode.OrthoChart:
hashedKeyData = OrthoCharts.GetHashStringForSignature(keyData); //Passed in key data has not been hashed yet.
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, hashedKeyData);
break;
case SigMode.Document:
case SigMode.Default:
default:
TopazWrapper.SetTopazAutoKeyData(sigBoxTopaz, keyData);
break;
}
TopazWrapper.SetTopazSigString(sigBoxTopaz, signature);
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
//Try reading in the signature using the old way that we used to handle signatures.
FillSignatureTopazOld(keyData, signature);
}
//If sig still not showing it must be invalid.
if (TopazWrapper.GetTopazNumberOfTabletPoints(sigBoxTopaz) == 0)
{
labelInvalidSig.Visible = true;
}
TopazWrapper.SetTopazState(sigBoxTopaz, 0);
}
///<summary>If this is called externally, then the event SignatureChanged will also fire.</summary>
public void ClearSignature()
{
sigBox.Enabled = true;
sigBox.ClearTablet();
sigBox.Visible = true;
//if(allowTopaz) {
TopazWrapper.ClearTopaz(sigBoxTopaz);
sigBoxTopaz.Visible = false; //until user explicitly starts it.
//}
sigBox.SetTabletState(1); //on-screen box is now accepting input.
sigChanged = true;
labelInvalidSig.Visible = false;
OnSignatureChanged();
}
private void butTopazSign_Click(object sender, EventArgs e)
{
//this button is not even visible if Topaz is not allowed
if (SignTopazClicked != null)
{
SignTopazClicked(this, new EventArgs());
}
sigBox.Visible = false;
sigBoxTopaz.Visible = true;
//if(allowTopaz){
TopazWrapper.ClearTopaz(sigBoxTopaz);
TopazWrapper.SetTopazEncryptionMode(sigBoxTopaz, 0);
TopazWrapper.SetTopazState(sigBoxTopaz, 1);
//}
labelInvalidSig.Visible = false;
sigBoxTopaz.Focus();
OnSignatureChanged();
}
///<summary>If this is called externally, then the event SignatureChanged will also fire.</summary>
public void ClearSignature(bool clearTopazTablet = true)
{
sigBox.Enabled = true;
sigBox.ClearTablet();
sigBox.Visible = true;
if (sigBoxTopaz != null)
{
if (clearTopazTablet)
{
TopazWrapper.ClearTopaz(sigBoxTopaz);
}
sigBoxTopaz.Visible = false; //until user explicitly starts it.
}
sigBox.SetTabletState(1); //on-screen box is now accepting input.
SigChanged = true;
labelInvalidSig.Visible = false;
OnSignatureChanged();
}