Basic support for some foveon cams (SD1, SD1 Merrill, DP1 Merrill, DP2 Merrill, DP3 Merrill, SD14), Issue 2729

AUTHORS.txt

@@ -38,6 +38,7 @@ Other contributors (profiles, ideas, mockups, testing, forum activity, translati
   Thorsten Bartolomäus
   Patrik Brunner
   Fernando Carello
+  Rodrigo Nuno Bragança da Cunha
   Pat David
   Reine Edvardsson
   André Gauthier

rtengine/camconst.json

@@ -1139,6 +1139,38 @@ Quality X: unknown, ie we knowing to little about the camera properties to know
                   }
     },
 
+   { // Quality c, corrections for frame size, black level not declared properly
+        "make_model": "Sigma SD14",
+        "dcraw_matrix": [ 16411,-4764,-2383,8110,2603,-645,3135,3878,1984 ], // experimental inverted icc wp12 - build with BL=15
+      //  "dcraw_matrix": [ 13804,-4156,-1896,6917,1909,-431,2768,2989,1741 ], // experimental inverted icc wp10 - build with BL=15
+        "ranges": { "black": 15, "white": 4080 },// peripheral black stripes give BL around 37 
+        "raw_crop": [ 18, 12, 2652, 1768 ]
+    },
+
+    { // Quality c, correction for frame width
+        "make_model": "Sigma SD1",
+        "dcraw_matrix": [ 5270,42,-814,3737,5506,124,1112,9714,4510 ], // experimental from icm 1.04477,-0.74838,1.01617, -0.54028,2.52690,-3.83257, 0.54869,-0.69556,3.73746
+        "ranges": { "black": 16, "white": 4070 },// BL is 16 or 31, should be measured at the horizontal black stripe at the top 
+        "raw_crop": [ 12, 52, -110, -8 ]
+    },
+    { // Quality C, correction for frame width, color matrix investigated ..
+        "make_model": "Sigma SD1 Merrill",
+        "dcraw_matrix": [ 7211,-1577,-769,4996,3428,440,2717,7117,4699 ], // experimental inverted icc cloudy8140 d65
+      //  "dcraw_matrix": [ 5666,139,-892,3780,5428,270,1366,9757,4526 ], // experimental inverted icc sunny8161
+      // "dcraw_matrix": [ 10288,-2449,-1718,8976,1868,-1608,7011,5039,-249 ], // experimental inverted icc tungsten8130 wp11
+      // "dcraw_matrix": [ 5864,679,-1491,2963,7635,-919,-640,13738,2790 ], // experimental inverted icc sunny8160
+      //  "dcraw_matrix": [ 14032,-2231,-1016,-5263,14816,170,-112,183,9113 ], //  hardcoded 
+        "ranges": { "black": 16, "white": 4070 }, // BL is 16 or 31, should be measured at the horizontal black stripe at the top 
+        "raw_crop": [ 12, 52, -110, -8 ] // for small size all numbers/2 
+    },
+    { // Quality C, correction for frame width, color matrix guessed ..
+        "make_model": [ "Sigma DP1 Merrill", "Sigma DP2 Merrill", "Sigma DP3 Merrill" ],
+        "dcraw_matrix": [ 7211,-1577,-769,4996,3428,440,2717,7117,4699 ], // copy fron SD1 Merrill icc cloudy8140 d65
+        "ranges": { "black": 16, "white": 4070 }, // BL is 16 or 31, should be measured at the horizontal black stripe at the bottom 
+        "raw_crop": [ 12, 0, -110, -62 ] // for small size all numbers/2 
+    },
+
+
     { // Quality A, correction for color matrix from Colin Walker's d50 to dng d65
         "make_model": "Sony NEX-C3",
       //  "dcraw_matrix": [ 5130,-1055,-269,-4473,11797,3050,-701,1310,7121 ], // Colin walker's d50 kept for possible consistency issues

rtengine/dcraw.cc

@@ -3255,7 +3255,7 @@ void CLASS foveon_sd_load_raw()
 	pred[c] += diff[dindex->leaf];
 	if (pred[c] >> 16 && ~pred[c] >> 16) derror();
       }
-      FORC3 image[row*width+col][c] = pred[c];
+      FORC3 image[row*width+col][c] = pred[c] < 0 ? 0 : pred[c];
     }
   }
 }
@@ -8306,6 +8306,7 @@ void CLASS identify()
     if (height   > width) pixel_aspect = 2;
     filters = 0;
     simple_coeff(0);
+   	adobe_coeff (make, model);
   } else if (!strcmp(make,"Canon") && tiff_bps == 15) {
     switch (width) {
       case 3344: width -= 66;

rtengine/dcraw.patch

@@ -1,5 +1,5 @@
---- dcraw.c	2014-07-24 16:15:36.700261700 +0200
-+++ dcraw.cc	2015-02-10 18:21:01.213732653 +0100
+--- dcraw.c	2015-04-17 13:02:57 +0000
++++ dcraw.cc	2015-04-17 13:09:41 +0000
 @@ -1,3 +1,15 @@
 +/*RT*/#include <glib.h>
 +/*RT*/#include <glib/gstdio.h>
@@ -647,6 +647,15 @@
    struct decode *cur;
    int i, len;
  
+@@ -2960,7 +3255,7 @@
+ 	pred[c] += diff[dindex->leaf];
+ 	if (pred[c] >> 16 && ~pred[c] >> 16) derror();
+       }
+-      FORC3 image[row*width+col][c] = pred[c];
++      FORC3 image[row*width+col][c] = pred[c] < 0 ? 0 : pred[c];
+     }
+   }
+ }
 @@ -3571,6 +3866,8 @@
    if (load_raw == &CLASS phase_one_load_raw ||
        load_raw == &CLASS phase_one_load_raw_c)
@@ -1375,7 +1384,15 @@
        case 34892: load_raw = &CLASS    lossy_dng_load_raw;  break;
        default:    load_raw = 0;
      }
-@@ -8347,7 +8385,7 @@
+@@ -8268,6 +8306,7 @@
+     if (height   > width) pixel_aspect = 2;
+     filters = 0;
+     simple_coeff(0);
++   	adobe_coeff (make, model);
+   } else if (!strcmp(make,"Canon") && tiff_bps == 15) {
+     switch (width) {
+       case 3344: width -= 66;
+@@ -8347,7 +8386,7 @@
      width -= 44;
    } else if (!strcmp(model,"D3200") ||
  	     !strcmp(model,"D600")  ||
@@ -1384,7 +1401,7 @@
      width -= 46;
    } else if (!strcmp(model,"D4") ||
  	     !strcmp(model,"Df")) {
-@@ -8567,24 +8605,53 @@
+@@ -8567,24 +8606,53 @@
      if (load_raw == &CLASS lossless_jpeg_load_raw)
        load_raw = &CLASS hasselblad_load_raw;
      if (raw_width == 7262) {
@@ -1440,7 +1457,7 @@
      } else if (raw_width == 4090) {
        strcpy (model, "V96C");
        height -= (top_margin = 6);
-@@ -8637,6 +8704,7 @@
+@@ -8637,6 +8705,7 @@
        filters = 0x16161616;
      }
    } else if (!strcmp(make,"Leica") || !strcmp(make,"Panasonic")) {
@@ -1448,7 +1465,7 @@
      if ((flen - data_offset) / (raw_width*8/7) == raw_height)
        load_raw = &CLASS panasonic_load_raw;
      if (!load_raw) {
-@@ -8654,6 +8722,7 @@
+@@ -8654,6 +8723,7 @@
        }
      filters = 0x01010101 * (uchar) "\x94\x61\x49\x16"
  	[((filters-1) ^ (left_margin & 1) ^ (top_margin << 1)) & 3];
@@ -1456,7 +1473,7 @@
    } else if (!strcmp(model,"C770UZ")) {
      height = 1718;
      width  = 2304;
-@@ -8883,6 +8952,14 @@
+@@ -8883,6 +8953,14 @@
      memcpy (rgb_cam, cmatrix, sizeof cmatrix);
      raw_color = 0;
    }
@@ -1471,7 +1488,7 @@
    if (raw_color) adobe_coeff (make, model);
    if (load_raw == &CLASS kodak_radc_load_raw)
      if (raw_color) adobe_coeff ("Apple","Quicktake");
-@@ -8899,7 +8976,7 @@
+@@ -8899,7 +8977,7 @@
    if (!tiff_bps) tiff_bps = 12;
    if (!maximum) maximum = (1 << tiff_bps) - 1;
    if (!load_raw || height < 22 || width < 22 ||
@@ -1480,7 +1497,7 @@
      is_raw = 0;
  #ifdef NO_JASPER
    if (load_raw == &CLASS redcine_load_raw) {
-@@ -8978,195 +9055,250 @@
+@@ -8978,195 +9056,250 @@
  }
  #endif
  
@@ -1906,7 +1923,7 @@
  struct tiff_tag {
    ushort tag, type;
    int count;
-@@ -9188,585 +9320,12 @@
+@@ -9188,585 +9321,12 @@
    unsigned gps[26];
    char desc[512], make[64], model[64], soft[32], date[20], artist[64];
  };

rtengine/dfmanager.cc

@@ -121,7 +121,7 @@ void dfInfo::updateRawImage()
 			int H = ri->get_height();
 			int W = ri->get_width();
 			ri->compress_image();
-            int rSize = W*((ri->getSensorType()!=ST_NONE)?1:3);
+            int rSize = W*((ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS)?1:3);
 			acc_t **acc = new acc_t*[H];
 			for( int row=0; row<H;row++)
 				acc[row] = new acc_t[rSize ];
@@ -137,7 +137,7 @@ void dfInfo::updateRawImage()
 				if( !temp->loadRaw(true)){
 					temp->compress_image();		//\ TODO would be better working on original, because is temporary
 					nFiles++;
-					if( ri->getSensorType()!=ST_NONE ){
+					if( ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS ){
 						for( int row=0; row<H;row++){
 							for( int col=0; col < W;col++)
 								acc[row][col] += temp->data[row][col];
@@ -174,7 +174,7 @@ void dfInfo::updateRawImage()
 void dfInfo::updateBadPixelList( RawImage *df )
 {
 	const float threshold=10.f/8.f;
-	if( ri->getSensorType()!=ST_NONE ){
+	if( ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS ){
 		std::vector<badPix> badPixelsTemp;
 
 #pragma omp parallel

rtengine/expo_before_b.cc

@@ -57,7 +57,7 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
     if (fabs(preser)<0.001f) {
         // No highlight protection - simple mutiplication
 
-        if (ri->getSensorType()!=ST_NONE)
+        if (ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS)
 			#pragma omp parallel for
 			for (int row=0;row<height;row++)
 				for (int col=0;col<width;col++)
@@ -71,7 +71,7 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
 					rawData[row][col*3+2] *= expos;
 				}
     } else {
-        if (ri->getSensorType()!=ST_NONE) {
+        if (ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS) {
 			// Demosaic to allow calculation of luminosity.
 			if(ri->getSensorType()==ST_BAYER)
 				fast_demosaic (0,0,W,H);
@@ -84,7 +84,7 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
 #pragma omp parallel
 {
 		float maxValFloatThr = 0.f;
-        if (ri->getSensorType()!=ST_NONE)
+        if (ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS)
 #pragma omp for schedule(dynamic,16) nowait
 			for(int row=0;row<height;row++)
 				for (int col=0;col<width;col++) {
@@ -95,7 +95,8 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
 #pragma omp for schedule(dynamic,16) nowait
 			for(int row=0;row<height;row++)
 				for (int col=0;col<width;col++) {
-                    for (int c=0;c<3;c++) if (rawData[row][col*3+c]>maxValFloatThr)
+                    for (int c=0;c<3;c++)
+						if (rawData[row][col*3+c]>maxValFloatThr)
 							maxValFloatThr = rawData[row][col*3+c];
                 }
 
@@ -124,7 +125,7 @@ void RawImageSource::processRawWhitepoint(float expos, float preser) {
                 lut[(int)j] = exp(EV*((float)maxVal-j) / ((float)maxVal-K) * log(2.0));
         }	
 
-		if (ri->getSensorType()!=ST_NONE)
+		if (ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS)
 			#pragma omp parallel for schedule(dynamic,16)
 			for(int row=0;row<height;row++)
 				for(int col=0;col<width;col++){

rtengine/ffmanager.cc

@@ -115,7 +115,7 @@ void ffInfo::updateRawImage()
 			int H = ri->get_height();
 			int W = ri->get_width();
 			ri->compress_image();
-            int rSize = W*((ri->getSensorType()!=ST_NONE)?1:3);
+            int rSize = W*((ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS)?1:3);
 			acc_t **acc = new acc_t*[H];
 			for( int row=0; row<H;row++)
 				acc[row] = new acc_t[rSize ];
@@ -131,7 +131,7 @@ void ffInfo::updateRawImage()
 				if( !temp->loadRaw(true)){
 					temp->compress_image();		//\ TODO would be better working on original, because is temporary
 					nFiles++;
-					if( ri->getSensorType()!=ST_NONE ){
+					if( ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS ){
 						for( int row=0; row<H;row++){
 							for( int col=0; col < W;col++)
 								acc[row][col] += temp->data[row][col];

rtengine/imageio.h

@@ -63,7 +63,7 @@ namespace rtengine {
         ST_NONE,   // use this value if the image is already demosaiced (i.e. not a raw file)
         ST_BAYER,
         ST_FUJI_XTRANS,
-        //ST_FOVEON,
+        ST_FOVEON,
         //ST_FUJI_EXR
     } eSensorType;
 

rtengine/rawimage.cc

@@ -50,6 +50,8 @@ eSensorType RawImage::getSensorType() {
 		return ST_BAYER;
 	else if (isXtrans())
 		return ST_FUJI_XTRANS;
+	else if (isFoveon())
+		return ST_FOVEON;
 
 	return ST_NONE;
 }
@@ -403,6 +405,25 @@ int RawImage::loadRaw (bool loadData, bool closeFile, ProgressListener *plistene
 		  crop_masked_pixels();
 		  free (raw_image);
 		  raw_image=NULL;
+	  } else {
+		  if (cc && cc->has_rawCrop()) { // foveon images
+			  int lm, tm, w, h;
+			  cc->get_rawCrop(lm, tm, w, h);
+			  left_margin = lm;
+			  top_margin = tm;
+			  if (w < 0) {
+				  width += w;
+				  width -= left_margin;
+			  } else if (w > 0) {
+				  width = min((int)width,w);
+			  }
+			  if (h < 0) {
+				  height += h;
+				  height -= top_margin;
+			  } else if (h > 0) {
+				  height = min((int)height,h);
+			  }
+		  }
 	  }
 
 	  // Load embedded profile
@@ -534,9 +555,9 @@ float** RawImage::compress_image()
         #pragma omp parallel for
 		for (int row = 0; row < height; row++)
 			for (int col = 0; col < width; col++) {
-				this->data[row][3 * col + 0] = image[row * width + col][0];
-				this->data[row][3 * col + 1] = image[row * width + col][1];
-				this->data[row][3 * col + 2] = image[row * width + col][2];
+				this->data[row][3 * col + 0] = image[(row+top_margin) * iwidth + col+left_margin][0];
+				this->data[row][3 * col + 1] = image[(row+top_margin) * iwidth + col+left_margin][1];
+				this->data[row][3 * col + 2] = image[(row+top_margin) * iwidth + col+left_margin][2];
 			}
 	}
 	free(image); // we don't need this anymore

rtengine/rawimage.h

@@ -110,6 +110,7 @@ protected:
   int maximum_c4[4];
   bool isBayer() const { return (filters!=0 && filters!=9); }
   bool isXtrans() const { return filters==9; }
+  bool isFoveon() const { return is_foveon; }
 
 public:
 
@@ -117,6 +118,10 @@ public:
   std::string get_filename() const { return filename;}
   int get_width()  const { return width; }
   int get_height() const { return height; }
+  int get_iwidth()  const { return iwidth; }
+  int get_iheight()  const { return iheight; }
+  int get_leftmargin()  const { return left_margin; }
+  int get_topmargin() const { return top_margin; }
   int get_FujiWidth() const { return fuji_width; }
   eSensorType getSensorType();
 

rtengine/rawimagesource.cc

@@ -330,7 +330,7 @@ void RawImageSource::getImage (ColorTemp ctemp, int tran, Imagefloat* image, Pre
 #pragma omp for
 #endif
 	for (int ix=0; ix<imheight; ix++) { int i=sy1+skip*ix;if (i>=maxy-skip) i=maxy-skip-1; // avoid trouble
-		if (ri->getSensorType()!=ST_NONE || ri->get_colors() == 1) {
+		if (ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS || ri->get_colors() == 1) {
             for (int j=0,jx=sx1; j<imwidth; j++,jx+=skip) {if (jx>=maxx-skip) jx=maxx-skip-1; // avoid trouble
             	float rtot,gtot,btot;
             	rtot=gtot=btot=0;
@@ -1118,6 +1118,8 @@ int RawImageSource::load (Glib::ustring fname, bool batch) {
 
     if(ri->getSensorType()==ST_FUJI_XTRANS)
 		border = 7;
+    else if(ri->getSensorType()==ST_FOVEON)
+		border = 0;
 
     if ( ri->get_profile() )
         embProfile = cmsOpenProfileFromMem (ri->get_profile(), ri->get_profileLen());
@@ -1390,7 +1392,7 @@ void RawImageSource::preprocess  (const RAWParams &raw, const LensProfParams &le
 		cfa_linedn(0.00002*(raw.bayersensor.linenoise));
 	}
 	
-	if ( (raw.ca_autocorrect || fabs(raw.cared)>0.001 || fabs(raw.cablue)>0.001) && ri->getSensorType()!=ST_FUJI_XTRANS ) {  // Auto CA correction disabled for X-Trans, for now...
+	if ( (raw.ca_autocorrect || fabs(raw.cared)>0.001 || fabs(raw.cablue)>0.001) && ri->getSensorType() == ST_BAYER ) {  // Auto CA correction disabled for X-Trans, for now...
 		if (plistener) {
 			plistener->setProgressStr ("CA Auto Correction...");
 			plistener->setProgress (0.0);
@@ -1707,7 +1709,7 @@ void RawImageSource::copyOriginalPixels(const RAWParams &raw, RawImage *src, Raw
 {
 	unsigned short black[4]={ri->get_cblack(0),ri->get_cblack(1),ri->get_cblack(2),ri->get_cblack(3)};
 
-	if (ri->getSensorType()!=ST_NONE) {
+	if (ri->getSensorType()==ST_BAYER || ri->getSensorType()==ST_FUJI_XTRANS) {
 		if (!rawData)
 			rawData(W,H);
 		if (riDark && W == riDark->get_width() && H == riDark->get_height()) { // This works also for xtrans-sensors, because black[0] to black[4] are equal for these
@@ -1953,7 +1955,7 @@ void RawImageSource::scaleColors(int winx,int winy,int winw,int winh, const RAWP
 
 	//adjust black level  (eg Canon)
 	bool isMono = false;
-	if (getSensorType()==ST_BAYER) {
+	if (getSensorType()==ST_BAYER || getSensorType()==ST_FOVEON ) {
 
 		black_lev[0]=raw.bayersensor.black1;//R
 		black_lev[1]=raw.bayersensor.black0;//G1

rtengine/rtthumbnail.cc

@@ -330,7 +330,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 	unsigned filter = ri->get_filters();
 	int firstgreen = 1;
 	// locate first green location in the first row
-	if(ri->getSensorType()!=ST_FUJI_XTRANS)
+	if(ri->getSensorType()==ST_BAYER)
 		while (!FISGREEN(filter,1,firstgreen))
 			firstgreen++;
 
@@ -415,9 +415,14 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 				}
 			}
 		} else {
-			for (int row = 1, y = 0; row < height - 1 && y < tmph; row += vskip, y++) {
-				rofs = row * width;
-				for (int col = firstgreen, x = 0; col < width - 1 && x < tmpw; col += hskip, x++) {
+			int iwidth = ri->get_iwidth();
+			int iheight = ri->get_iheight();
+			int left_margin = ri->get_leftmargin();
+			firstgreen += left_margin;
+			int top_margin = ri->get_topmargin();
+			for (int row = 1 + top_margin, y = 0; row < iheight + top_margin  - 1 && y < tmph; row += vskip, y++) {
+				rofs = row * iwidth;
+				for (int col = firstgreen, x = 0; col < iwidth + left_margin - 1 && x < tmpw; col += hskip, x++) {
 					int ofs = rofs + col;
 					tmpImg->r(y,x) = image[ofs][0];
 					tmpImg->g(y,x) = image[ofs][1];
@@ -493,7 +498,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 				tpp->aeHistogram[((int)(image[i* width+j][0]))>>tpp->aeHistCompression]+=gadd;
 				tpp->aeHistogram[((int)(image[i* width+j][0]))>>tpp->aeHistCompression]+=badd;
 			}
-		} else if(ri->getSensorType()!=ST_FUJI_XTRANS) {
+		} else if(ri->getSensorType()==ST_BAYER) {
 			for (int j = start; j < end; j++)
 				if (FISGREEN(filter,i,j))
 					tpp->aeHistogram[((int)(tpp->camwbGreen*image[i* width+j][1]))>>tpp->aeHistCompression]+=gadd;
@@ -501,7 +506,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 					tpp->aeHistogram[((int)(tpp->camwbRed * image[i* width+j][0]))>>tpp->aeHistCompression]+=radd;
 				else if (FISBLUE(filter,i,j))
 					tpp->aeHistogram[((int)(tpp->camwbBlue *image[i* width+j][2]))>>tpp->aeHistCompression]+=badd;
-		} else {
+		} else if(ri->getSensorType()==ST_FUJI_XTRANS) {
 			for (int j = start; j < end; j++)
 				if (ri->ISXTRANSGREEN(i,j))
 					tpp->aeHistogram[((int)(tpp->camwbGreen*image[i* width+j][1]))>>tpp->aeHistCompression]+=gadd;
@@ -509,6 +514,12 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 					tpp->aeHistogram[((int)(tpp->camwbRed * image[i* width+j][0]))>>tpp->aeHistCompression]+=radd;
 				else if (ri->ISXTRANSBLUE(i,j))
 					tpp->aeHistogram[((int)(tpp->camwbBlue *image[i* width+j][2]))>>tpp->aeHistCompression]+=badd;
+		} else /* if(ri->getSensorType()==ST_FOVEON) */{
+			for (int j = start; j < end; j++) {
+				tpp->aeHistogram[((int)(image[i* width+j][0]*2.f))>>tpp->aeHistCompression]+=radd;
+				tpp->aeHistogram[((int)(image[i* width+j][1]))>>tpp->aeHistCompression]+=gadd;
+				tpp->aeHistogram[((int)(image[i* width+j][2]*0.5f))>>tpp->aeHistCompression]+=badd;
+			}
 		}
 	}
 
@@ -530,7 +541,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 			start = 32;
 			end = width - 32;
 		}
-		if(ri->getSensorType()!=ST_FUJI_XTRANS) {
+		if(ri->getSensorType()==ST_BAYER) {
 			for (int j = start; j < end; j++) {
 				if (!filter) {
 					double d = tpp->defGain * image[i * width + j][0];
@@ -560,7 +571,7 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 					bn++;
 				}
 			}
-		} else  {
+		} else if(ri->getSensorType()==ST_FUJI_XTRANS) {
 			for (int j = start; j < end; j++) {
 				if (ri->ISXTRANSGREEN(i,j)) {
 					double d = tpp->defGain * image[i * width + j][1];
@@ -584,6 +595,24 @@ Thumbnail* Thumbnail::loadFromRaw (const Glib::ustring& fname, RawMetaDataLocati
 					bn++;
 				}
 			}
+		} else /* if(ri->getSensorType()==ST_FOVEON) */ {
+			for (int j = start; j < end; j++) {
+				double d = tpp->defGain * image[i * width + j][0];
+				if (d <= 64000.) {
+					avg_r += d;
+					rn++;
+				}
+				d = tpp->defGain * image[i * width + j][1];
+				if (d <= 64000.) {
+					avg_g += d;
+					gn++;
+				}
+				d = tpp->defGain * image[i * width + j][2];
+				if (d <= 64000.) {
+					avg_b += d;
+					bn++;
+				}
+			}
 		}
 	}