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
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+++ b/digikam/utilities/imageeditor/rawimport/rawpostprocessing.cpp
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+/* ============================================================
+ *
+ * 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