diff options
Diffstat (limited to 'digikam/utilities/imageeditor/rawimport/rawpostprocessing.cpp')
-rw-r--r-- | digikam/utilities/imageeditor/rawimport/rawpostprocessing.cpp | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/digikam/utilities/imageeditor/rawimport/rawpostprocessing.cpp b/digikam/utilities/imageeditor/rawimport/rawpostprocessing.cpp new file mode 100644 index 0000000..de6d6c5 --- /dev/null +++ b/digikam/utilities/imageeditor/rawimport/rawpostprocessing.cpp @@ -0,0 +1,137 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2008-13-08 + * Description : Raw post processing corrections. + * + * Copyright (C) 2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * 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. + * + * ============================================================ */ + +// Local includes. + +#include "ddebug.h" +#include "imagehistogram.h" +#include "imagecurves.h" +#include "imagelevels.h" +#include "bcgmodifier.h" +#include "whitebalance.h" +#include "dimgimagefilters.h" +#include "rawpostprocessing.h" + +namespace Digikam +{ + +RawPostProcessing::RawPostProcessing(DImg *orgImage, QObject *parent, const DRawDecoding& settings) + : DImgThreadedFilter(orgImage, parent, "RawPostProcessing") +{ + m_customRawSettings = settings; + initFilter(); +} + +RawPostProcessing::RawPostProcessing(DImgThreadedFilter *parentFilter, + const DImg &orgImage, const DImg &destImage, + int progressBegin, int progressEnd, const DRawDecoding& settings) + : DImgThreadedFilter(parentFilter, orgImage, destImage, progressBegin, progressEnd, + parentFilter->filterName() + ": RawPostProcessing") +{ + m_customRawSettings = settings; + filterImage(); +} + +void RawPostProcessing::filterImage() +{ + rawPostProcessing(); +} + +void RawPostProcessing::rawPostProcessing() +{ + if (!m_orgImage.bits() || !m_orgImage.width() || !m_orgImage.height()) + { + DWarning() << ("RawPostProcessing::rawPostProcessing: no image m_orgImage.bits() available!") + << endl; + return; + } + + if (!m_customRawSettings.postProcessingSettingsIsDirty()) + { + m_destImage = m_orgImage; + return; + } + + postProgress(15); + + if (m_customRawSettings.exposureComp != 0.0 || m_customRawSettings.saturation != 1.0) + { + WhiteBalance wb(m_orgImage.sixteenBit()); + wb.whiteBalance(m_orgImage.bits(), m_orgImage.width(), m_orgImage.height(), m_orgImage.sixteenBit(), + 0.0, // black + m_customRawSettings.exposureComp, // exposure + 6500.0, // temperature (neutral) + 1.0, // green + 0.5, // dark + 1.0, // gamma + m_customRawSettings.saturation); // saturation + } + postProgress(30); + + if (m_customRawSettings.lightness != 0.0 || m_customRawSettings.contrast != 1.0 || m_customRawSettings.gamma != 1.0) + { + BCGModifier bcg; + bcg.setBrightness(m_customRawSettings.lightness); + bcg.setContrast(m_customRawSettings.contrast); + bcg.setGamma(m_customRawSettings.gamma); + bcg.applyBCG(m_orgImage.bits(), m_orgImage.width(), m_orgImage.height(), m_orgImage.sixteenBit()); + } + postProgress(45); + + if (!m_customRawSettings.curveAdjust.isEmpty()) + { + DImg tmp(m_orgImage.width(), m_orgImage.height(), m_orgImage.sixteenBit()); + ImageCurves curves(m_orgImage.sixteenBit()); + curves.setCurvePoints(ImageHistogram::ValueChannel, m_customRawSettings.curveAdjust); + curves.curvesCalculateCurve(ImageHistogram::ValueChannel); + curves.curvesLutSetup(ImageHistogram::AlphaChannel); + curves.curvesLutProcess(m_orgImage.bits(), tmp.bits(), m_orgImage.width(), m_orgImage.height()); + memcpy(m_orgImage.bits(), tmp.bits(), tmp.numBytes()); + } + postProgress(60); + + if (!m_customRawSettings.levelsAdjust.isEmpty()) + { + DImg tmp(m_orgImage.width(), m_orgImage.height(), m_orgImage.sixteenBit()); + ImageLevels levels(m_orgImage.sixteenBit()); + int j=0; + for (int i = 0 ; i < 4; i++) + { + levels.setLevelLowInputValue(i, m_customRawSettings.levelsAdjust[j++]); + levels.setLevelHighInputValue(i, m_customRawSettings.levelsAdjust[j++]); + levels.setLevelLowOutputValue(i, m_customRawSettings.levelsAdjust[j++]); + levels.setLevelHighOutputValue(i, m_customRawSettings.levelsAdjust[j++]); + } + + levels.levelsLutSetup(ImageHistogram::AlphaChannel); + levels.levelsLutProcess(m_orgImage.bits(), tmp.bits(), m_orgImage.width(), m_orgImage.height()); + memcpy(m_orgImage.bits(), tmp.bits(), tmp.numBytes()); + } + postProgress(75); + + m_destImage = m_orgImage; + + postProgress(100); +} + +} // NameSpace Digikam |