/usr/include/zbar/QZBarImage.h is in libzbarqt-dev 0.10+doc-10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Copyright 2008-2009 (c) Jeff Brown <spadix@users.sourceforge.net>
//
// This file is part of the ZBar Bar Code Reader.
//
// The ZBar Bar Code Reader is free software; you can redistribute it
// and/or modify it under the terms of the GNU Lesser Public License as
// published by the Free Software Foundation; either version 2.1 of
// the License, or (at your option) any later version.
//
// The ZBar Bar Code Reader is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty
// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser Public License for more details.
//
// You should have received a copy of the GNU Lesser Public License
// along with the ZBar Bar Code Reader; if not, write to the Free
// Software Foundation, Inc., 51 Franklin St, Fifth Floor,
// Boston, MA 02110-1301 USA
//
// http://sourceforge.net/projects/zbar
//------------------------------------------------------------------------
#ifndef _QZBARIMAGE_H_
#define _QZBARIMAGE_H_
/// @file
/// QImage to Image type conversion wrapper
#include <qimage.h>
#include <zbar.h>
namespace zbar {
/// wrap a QImage and convert into a format suitable for scanning.
class QZBarImage
: public Image
{
public:
/// construct a zbar library image based on an existing QImage.
QZBarImage (const QImage &qimg)
: qimg(qimg)
{
QImage::Format fmt = qimg.format();
if(fmt != QImage::Format_RGB32 &&
fmt != QImage::Format_ARGB32 &&
fmt != QImage::Format_ARGB32_Premultiplied)
throw FormatError();
unsigned bpl = qimg.bytesPerLine();
unsigned width = bpl / 4;
unsigned height = qimg.height();
set_size(width, height);
set_format('B' | ('G' << 8) | ('R' << 16) | ('4' << 24));
unsigned long datalen = qimg.numBytes();
set_data(qimg.bits(), datalen);
if((width * 4 != bpl) ||
(width * height * 4 > datalen))
throw FormatError();
}
private:
QImage qimg;
};
};
#endif
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