X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Ffilters%2Fgrey%2Fgreyfilter.cpp;h=ce240e48559d6f22b549dfffde51a81d247783ce;hb=c07dab61760f81428091900e482e4a9d2b8c3234;hp=e69de29bb2d1d6434b8b29ae775ad8c2e48c5391;hpb=f3e560c0dd50219a3c13275b73ccf40bc4128bc8;p=photoenhancer

diff --git a/src/filters/grey/greyfilter.cpp b/src/filters/grey/greyfilter.cpp
index e69de29..ce240e4 100644
--- a/src/filters/grey/greyfilter.cpp
+++ b/src/filters/grey/greyfilter.cpp
@@ -0,0 +1,30 @@
+#include "sepiafilter.h"
+#include <QImage>
+#include <QColor>
+#include <QDebug>
+SepiaFilter::SepiaFilter()
+{
+}
+void SepiaFilter::applyFilter(QImage &image)
+{
+    int inputRed,inputGreen,inputBlue;
+    int outputRed,outputGreen,outputBlue;
+
+    for(int i=0;i<image.width();i++)
+        for(int j=0;j<image.height();j++)
+        {
+            QColor inPixel(image.pixel(i,j));
+            inputRed=inPixel.red();
+            inputBlue=inPixel.blue();
+            inputGreen=inPixel.green();
+            outputRed = (inputRed * .393) + (inputGreen *.769) + (inputBlue * .189);
+            outputGreen = (inputRed * .349) + (inputGreen *.686) + (inputBlue * .168);
+            outputBlue = (inputRed * .272) + (inputGreen *.534) + (inputBlue * .131);
+            if(outputBlue>255) outputBlue=255;
+            if(outputGreen>255) outputGreen=255;
+            if(outputRed>255) outputRed=255;
+            QColor outPixel(outputRed,outputGreen,outputBlue);
+            image.setPixel(i,j,outPixel.rgb());
+    }
+
+}