float GetKeysAction::GetFloat()
{
double fValue;
DescriptorUnitID units;
OSErr iErr = m_pReadProcs->getUnitFloatProc(m_Token, &units, &fValue);
if(iErr)
throw ExceptionSPErr(StringUtil::ssprintf("GetKeysAction::GetFloat(%08x)", m_CurKey), iErr);
return (float) fValue;
}
//-------------------------------------------------------------------------------
//
// ReadScriptParameters
//
// See if we were called by the Photoshop scripting system and return the value
// in displayDialog if the user wants to see our dialog.
//
//-------------------------------------------------------------------------------
OSErr ReadScriptParameters(Boolean* displayDialog)
{
OSErr err = noErr;
PIReadDescriptor token = NULL;
DescriptorKeyID key = 0;
DescriptorTypeID type = 0;
DescriptorUnitID units;
int32 flags = 0;
double percent;
DescriptorEnumID disposition;
Boolean ignoreSelection;
DescriptorKeyIDArray array = { keyAmount, keyDisposition, 0 };
if (displayDialog != NULL)
*displayDialog = gData->queryForParameters;
else
return errMissingParameter;
PIDescriptorParameters* descParams = gFilterRecord->descriptorParameters;
if (descParams == NULL) return err;
ReadDescriptorProcs* readProcs = gFilterRecord->descriptorParameters->readDescriptorProcs;
if (readProcs == NULL) return err;
if (descParams->descriptor != NULL)
{
token = readProcs->openReadDescriptorProc(descParams->descriptor, array);
if (token != NULL)
{
while(readProcs->getKeyProc(token, &key, &type, &flags) && !err)
{
switch (key)
{
case keyAmount:
err = readProcs->getUnitFloatProc(token, &units, &percent);
if (!err)
gParams->percent = (int16)percent;
break;
case keyDisposition:
err = readProcs->getEnumeratedProc(token, &disposition);
if (!err)
{
gParams->disposition = ScriptToDialog(disposition);
CopyColor(gData->color,
gData->colorArray[gParams->disposition]);
}
break;
case keyIgnoreSelection:
err = readProcs->getBooleanProc(token, &ignoreSelection);
if (!err)
gParams->ignoreSelection = ignoreSelection;
break;
default:
err = readErr;
break;
}
}
err = readProcs->closeReadDescriptorProc(token);
gFilterRecord->handleProcs->disposeProc(descParams->descriptor);
descParams->descriptor = NULL;
}
*displayDialog = descParams->playInfo == plugInDialogDisplay;
}
return err;
}