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refs #452, misc. functions for pixmap and hex value handling

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This commit is contained in:
Klaus Basan
2015-09-23 15:44:13 +02:00
committed by Mathew Sutcliffe
parent 38c92c5676
commit e6eac2333d
2 changed files with 115 additions and 0 deletions
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32
src/blackmisc/blackmiscfreefunctions.h
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@@ -35,6 +35,11 @@ inline void initBlackMiscResources()
// cannot be declared within namespace, see docu
// hence BlackMisc::initResources() calls this inline function
Q_INIT_RESOURCE(blackmisc);
// set seed for random number if ever used
// that is needed only once on application startup
QTime time = QTime::currentTime();
qsrand((uint)time.msec());
}
//! Free functions in BlackMisc
@@ -328,6 +333,33 @@ namespace BlackMisc
//! Merges an incremental json object into an existing one
BLACKMISC_EXPORT QJsonObject applyIncrementalObject(const QJsonObject &previousObject, const QJsonObject &incrementalObject);
//! Int to hex value
BLACKMISC_EXPORT QString intToHex(int value, int digits = 2);
//! Int to hex value (per byte, 2 digits)
BLACKMISC_EXPORT QString bytesToHexString(const QByteArray &bytes);
//! Byte array from hex value string per byte, 2 digits
BLACKMISC_EXPORT QByteArray byteArrayFromHexString(const QString &hexString);
//! Pixmap to PNG byte array
BLACKMISC_EXPORT bool pixmapToPngByteArray(const QPixmap &pixmap, QByteArray &array);
//! Pixmap from PNG byte array
BLACKMISC_EXPORT QPixmap pngByteArrayToPixmap(const QByteArray &array);
//! Pixmap from PNG byte array
BLACKMISC_EXPORT bool pngByteArrayToPixmapRef(const QByteArray &array, QPixmap &pixmap);
//! Pixmap as HEX string (for PNG image)
BLACKMISC_EXPORT QString pixmapToPngHexString(const QPixmap &pixmap);
//! Hex encoded pixmap string to Pixmap
BLACKMISC_EXPORT QPixmap pngHexStringToPixmap(const QString &hexString);
//! Hex encoded pixmap string to Pixmap
BLACKMISC_EXPORT bool pngHexStringToPixmapRef(const QString &hexString, QPixmap &pixmap);
} // BlackMisc
#endif // guard