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/* ============================================================
*
* This file is a part of digiKam project
* http://www.digikam.org
*
* Date : 2005-03-02
* Description : methods to access on pixels color
*
* Copyright (C) 2005-2007 by Gilles Caulier <caulier dot gilles at gmail dot com>
* Copyright (C) 2006-2007 by Marcel Wiesweg <marcel dot wiesweg at gmx dot de>
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software Foundation;
* either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* ============================================================ */
#ifndef DCOLORPIXELACCESS_H
#define DCOLORPIXELACCESS_H
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(const uchar *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 = (unsigned short*)data;
setBlue (data16[0]);
setGreen(data16[1]);
setRed (data16[2]);
setAlpha(data16[3]);
}
}
inline void DColor::setPixel(uchar *data) const
{
if (sixteenBit()) // 16 bits image.
{
unsigned short *data16 = (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
#endif // DCOLORPIXELACCESS_H
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