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125 | /* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 2005-06-14
* Description : digiKam 8/16 bits image management API.
* QImage accessors.
*
* SPDX-FileCopyrightText: 2005-2025 by Gilles Caulier <caulier dot gilles at gmail dot com>
* SPDX-FileCopyrightText: 2006-2013 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* ============================================================ */
#include "dimg_p.h"
namespace Digikam
{
QImage DImg::copyQImage() const
{
if (isNull())
{
return QImage();
}
QImage::Format format = sixteenBit() ? QImage::Format_RGBA64<--- Shadow variable
: QImage::Format_ARGB32;
QImage img(width(), height(), format);
if (img.isNull())
{
qCDebug(DIGIKAM_DIMG_LOG) << "Failed to allocate memory to copy DImg of size"
<< size() << "to QImage";
return QImage();
}
if (!sixteenBit())
{
uchar* sptr = bits();
QRgb* dptr = reinterpret_cast<QRgb*>(img.bits());
for (uint i = 0 ; i < width() * height() ; ++i)
{
*dptr++ = qRgba(sptr[2], sptr[1], sptr[0], sptr[3]);
sptr += 4;
}
}
else
{
ushort* sptr = reinterpret_cast<ushort*>(bits());
QRgba64* dptr = reinterpret_cast<QRgba64*>(img.bits());
for (uint i = 0 ; i < width() * height() ; ++i)
{
*dptr++ = qRgba64(sptr[2], sptr[1], sptr[0], sptr[3]);
sptr += 4;
}
}
QByteArray iccProfile = getIccProfile().data();
if (!iccProfile.isEmpty())
{
img.setColorSpace(QColorSpace::fromIccProfile(iccProfile));
}
return img;
}
QImage DImg::copyQImage32() const
{
if (isNull())
{
return QImage();
}
if (!sixteenBit())
{
return copyQImage();
}
DImg img(*this);
img.detach();
img.convertDepth(32);
return img.copyQImage();
}
QImage DImg::copyQImage(const QRect& rect) const
{
return (copyQImage(rect.x(), rect.y(), rect.width(), rect.height()));
}
QImage DImg::copyQImage(const QRectF& rel) const
{
if (isNull() || !rel.isValid())
{
return QImage();
}
return copyQImage(QRectF(rel.x() * m_priv->width,
rel.y() * m_priv->height,
rel.width() * m_priv->width,
rel.height() * m_priv->height)
.toRect());
}
QImage DImg::copyQImage(int x, int y, int w, int h) const
{
if (isNull())
{
return QImage();
}
DImg img = copy(x, y, w, h);
return img.copyQImage();
}
} // namespace Digikam
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