/* ============================================================
*
* This file is a part of digiKam project
* https://www.digikam.org
*
* Date : 2005-03-02
* Description : methods to access on pixels color
*
* SPDX-FileCopyrightText: 2005-2025 by Gilles Caulier <caulier dot gilles at gmail dot com>
* SPDX-FileCopyrightText: 2006-2012 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* SPDX-License-Identifier: GPL-2.0-or-later
*
* ============================================================ */
#pragma once
namespace Digikam
{
/**
* These methods are used in quite a few image effects,
* typically in loops iterating the data.
* Providing them as inline methods allows the compiler to optimize better.
*/
inline void DColor::setColor(uchar* const data, bool sixteenBit)
{
m_sixteenBit = sixteenBit;
if (!sixteenBit) // 8 bits image
{
setBlue (data[0]);
setGreen(data[1]);
setRed (data[2]);
setAlpha(data[3]);
}
else // 16 bits image
{
unsigned short* data16 = reinterpret_cast<unsigned short*>(data);<--- Variable 'data16' can be declared as pointer to const
setBlue (data16[0]);
setGreen(data16[1]);
setRed (data16[2]);
setAlpha(data16[3]);
}
}
inline void DColor::setPixel(uchar* const data) const
{
if (sixteenBit()) // 16 bits image.
{
unsigned short* data16 = reinterpret_cast<unsigned short*>(data);
data16[0] = (unsigned short)blue();
data16[1] = (unsigned short)green();
data16[2] = (unsigned short)red();
data16[3] = (unsigned short)alpha();
}
else // 8 bits image.
{
data[0] = (uchar)blue();
data[1] = (uchar)green();
data[2] = (uchar)red();
data[3] = (uchar)alpha();
}
}
} // namespace Digikam