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Issue 2143: restored initialGain to use as-shot-wb as reference

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torger
2013-12-19 21:00:13 +01:00
parent cc3bbe4e78
commit 6de659b2f0
2 changed files with 3 additions and 1 deletions
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3
rtengine/rawimagesource.cc
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@@ -234,7 +234,7 @@ void RawImageSource::getImage (ColorTemp ctemp, int tran, Imagefloat* image, Pre
defGain=0.0;// = log(initialGain) / log(2.0);
//printf(" Initial gain=%f defgain=%f min=%f\n",initialGain,defGain,min);
//printf(" rm=%f gm=%f bm=%f\n",rm,gm,bm);
min/=initialGain;
min/=refInitialGain;
//min=(float)1.0/min;
//else {
//defGain = 0.0;
@@ -882,6 +882,7 @@ int RawImageSource::load (Glib::ustring fname, bool batch) {
double camwb_red = ri->get_pre_mul(0) / pre_mul[0];
double camwb_green = ri->get_pre_mul(1) / pre_mul[1];
double camwb_blue = ri->get_pre_mul(2) / pre_mul[2];
refInitialGain = 1.0 / min(pre_mul[0], pre_mul[1], pre_mul[2]);
double cam_r = imatrices.rgb_cam[0][0]*camwb_red + imatrices.rgb_cam[0][1]*camwb_green + imatrices.rgb_cam[0][2]*camwb_blue;
double cam_g = imatrices.rgb_cam[1][0]*camwb_red + imatrices.rgb_cam[1][1]*camwb_green + imatrices.rgb_cam[1][2]*camwb_blue;
double cam_b = imatrices.rgb_cam[2][0]*camwb_red + imatrices.rgb_cam[2][1]*camwb_green + imatrices.rgb_cam[2][2]*camwb_blue;

1
rtengine/rawimagesource.h
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@@ -95,6 +95,7 @@ class RawImageSource : public ImageSource {
int max_3[3];
float chmax[4],hlmax[4];
double initialGain; // initial gain calculated after scale_colors
double refInitialGain;
double defGain;
bool full;
cmsHPROFILE camProfile;