private void ProcessSPLRecord(SPLRecord record, BinaryReader fileReader)
{
Int64 recSeek = record.RecSeek;
Int32 recSize = record.RecSize;
if (recSize <= 0)
{
recSize = 8;
}
switch (record.RecType)
{
case SPLRecordTypeEnum.SRT_JOB_INFO:
fileReader.BaseStream.Seek(recSeek + recSize, SeekOrigin.Begin);
break;
case SPLRecordTypeEnum.SRT_EOF:
// Final de arquivo, não faz nada
break;
case SPLRecordTypeEnum.SRT_DEVMODE:
devModeRecord = new DevMode(fileReader);
fileReader.BaseStream.Seek(recSeek + 8 + recSize, SeekOrigin.Begin);
break;
case SPLRecordTypeEnum.SRT_PAGE:
case SPLRecordTypeEnum.SRT_EXT_PAGE:
ProcessEMFPage(record, fileReader);
break;
case SPLRecordTypeEnum.SRT_EOPAGE1:
case SPLRecordTypeEnum.SRT_EOPAGE2:
Byte[] bytes = fileReader.ReadBytes(recSize);
if (recSize == 0x08)
{
fileReader.BaseStream.Seek(recSeek + recSize + 8, SeekOrigin.Begin);
}
break;
case SPLRecordTypeEnum.SRT_EXT_FONT2:
fileReader.BaseStream.Seek(recSeek + 4, SeekOrigin.Begin);
break;
default:
fileReader.BaseStream.Seek(recSeek + recSize, SeekOrigin.Begin);
break;
}
}
private void ProcessEMFPage(SPLRecord record, BinaryReader fileReader)
{
Int64 nextRecordStart = record.RecSeek + 8;
fileReader.BaseStream.Seek(nextRecordStart, SeekOrigin.Begin);
EMFPage emfPage = new EMFPage(fileReader, listener);
Pages.Add(emfPage);
if (listener != null)
{
listener.NotifyObject("Adicionada página EMF número " + Pages.Count);
}
nextRecordStart = nextRecordStart + emfPage.Header.FileSize;
fileReader.BaseStream.Seek(nextRecordStart, SeekOrigin.Begin);
}
public EMFSpoolFile(BinaryReader fileReader, IListener listener) : base(fileReader)
{
this.listener = listener;
// Aborta caso não consiga obter informações do job (arquivo mal formado)
if (!GetJobInfo(fileReader))
{
malformedFile = true;
return;
}
SPLRecord nextRecord = new SPLRecord(fileReader);
while (nextRecord.RecType != SPLRecordTypeEnum.SRT_EOF)
{
ProcessSPLRecord(nextRecord, fileReader);
nextRecord = new SPLRecord(fileReader);
}
}
private Boolean GetJobInfo(BinaryReader fileReader)
{
SPLRecord record = new SPLRecord(fileReader);
Int64 recSeek = record.RecSeek;
if (record.RecType != SPLRecordTypeEnum.SRT_JOB_INFO)
{
return(false);
}
fileReader.ReadBytes(8);
Char[] jobDescriptionArray = StringResource.Get(fileReader);
jobDescription = new String(jobDescriptionArray);
fileReader.BaseStream.Seek(recSeek, SeekOrigin.Begin);
if (String.IsNullOrEmpty(jobDescription))
{
return(false);
}
return(true);
}