Herwig Birke
73 lines
1.2 KiB
C++
73 lines
1.2 KiB
C++
/*!
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\file common.cpp
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*/
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#include "common.h"
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#include <QBuffer>
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QString uncompressText(const QByteArray& compressed)
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{
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if(compressed.isNull() || compressed.isEmpty())
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return("");
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return(qUncompress(compressed));
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}
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QByteArray compressText(const QString& uncompressed)
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{
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if(uncompressed.isNull() || uncompressed.isEmpty())
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return(QByteArray());
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return(qCompress(uncompressed.toUtf8()));
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}
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QPixmap blob2Image(const QByteArray& ba)
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{
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QPixmap image;
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if(!ba.isEmpty())
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{
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if(!image.loadFromData(ba))
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myDebug << "image load error.";
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}
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return(image);
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}
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QByteArray image2Blob(const QPixmap &image)
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{
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QByteArray ba;
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QBuffer buffer(&ba);
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buffer.open(QIODevice::WriteOnly);
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image.save(&buffer, "JPG");
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buffer.close();
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return(ba);
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}
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cTextDocument* blob2TextDocument(const QByteArray& ba)
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{
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cTextDocument* lpTextDocument = new cTextDocument;
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if(ba.isEmpty())
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{
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lpTextDocument->setHtml("");
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return(lpTextDocument);
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}
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lpTextDocument->setHtml(uncompressText(ba));
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return(lpTextDocument);
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}
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QByteArray textDocument2Blob(cTextDocument* lpTextDocument)
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{
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QByteArray ba;
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if(!lpTextDocument)
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return(ba);
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ba = compressText(lpTextDocument->toHtml());
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return(ba);
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}
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