Issue 2134: removed obsolete raw highlight preservation setting from GUI (still left in procparams for backwards compatilibility)

2015-07-10 12:00:36 +02:00
commit d5ca351c20
1751 changed files with 441944 additions and 0 deletions
--- a/rtengine/klt/pyramid.cc
+++ b/rtengine/klt/pyramid.cc
@@ -0,0 +1,149 @@
+/*********************************************************************
+ * pyramid.c
+ *
+ *********************************************************************/
+
+/* Standard includes */
+#include <cassert>
+#include <cstdlib>		/* malloc() ? */
+#include <cstring>		/* memset() ? */
+#include <cmath>		/* */
+
+/* Our includes */
+#include "base.h"
+#include "error.h"
+#include "convolve.h"	/* for computing pyramid */
+#include "pyramid.h"
+
+
+/*********************************************************************
+ *
+ */
+
+_KLT_Pyramid _KLTCreatePyramid(
+  int ncols,
+  int nrows,
+  int subsampling,
+  int nlevels)
+{
+  _KLT_Pyramid pyramid;
+  int nbytes = sizeof(_KLT_PyramidRec) +	
+    nlevels * sizeof(_KLT_FloatImage *) +
+    nlevels * sizeof(int) +
+    nlevels * sizeof(int);
+  int i;
+
+  if (subsampling != 2 && subsampling != 4 && 
+      subsampling != 8 && subsampling != 16 && subsampling != 32) {
+    KLTError("(_KLTCreatePyramid)  Pyramid's subsampling must "
+             "be either 2, 4, 8, 16, or 32");
+    exit(1);
+  }
+
+     
+  /* Allocate memory for structure and set parameters */
+  pyramid = (_KLT_Pyramid)  malloc(nbytes);
+  if (pyramid == NULL) {
+    KLTError("(_KLTCreatePyramid)  Out of memory");
+    exit(1);
+  }
+     
+  /* Set parameters */
+  pyramid->subsampling = subsampling;
+  pyramid->nLevels = nlevels;
+  pyramid->img = (_KLT_FloatImage *) (pyramid + 1);
+  pyramid->ncols = (int *) (pyramid->img + nlevels);
+  pyramid->nrows = (int *) (pyramid->ncols + nlevels);
+
+  /* Allocate memory for each level of pyramid and assign pointers */
+  for (i = 0 ; i < nlevels ; i++)  {
+    pyramid->img[i] =  _KLTCreateFloatImage(ncols, nrows);
+    pyramid->ncols[i] = ncols;  pyramid->nrows[i] = nrows;
+    ncols /= subsampling;  nrows /= subsampling;
+  }
+
+  return pyramid;
+}
+
+
+/*********************************************************************
+ *
+ */
+
+void _KLTFreePyramid(
+  _KLT_Pyramid pyramid)
+{
+  int i;
+
+  /* Free images */
+  for (i = 0 ; i < pyramid->nLevels ; i++)
+    _KLTFreeFloatImage(pyramid->img[i]);
+
+  /* Free structure */
+  free(pyramid);
+}
+
+
+/*********************************************************************
+ *
+ */
+
+void _KLTComputePyramid(
+  _KLT_FloatImage img, 
+  _KLT_Pyramid pyramid,
+  float sigma_fact)
+{
+  _KLT_FloatImage currimg, tmpimg;
+  int ncols = img->ncols, nrows = img->nrows;
+  int subsampling = pyramid->subsampling;
+  int subhalf = subsampling / 2;
+  float sigma = subsampling * sigma_fact;  /* empirically determined */
+  int oldncols;
+  int i, x, y;
+	
+  if (subsampling != 2 && subsampling != 4 && 
+      subsampling != 8 && subsampling != 16 && subsampling != 32) {
+    KLTError("(_KLTComputePyramid)  Pyramid's subsampling must "
+             "be either 2, 4, 8, 16, or 32");
+    exit(1);
+  }
+
+  assert(pyramid->ncols[0] == img->ncols);
+  assert(pyramid->nrows[0] == img->nrows);
+
+  /* Copy original image to level 0 of pyramid */
+  memcpy(pyramid->img[0]->data, img->data, ncols*nrows*sizeof(float));
+
+  currimg = img;
+  for (i = 1 ; i < pyramid->nLevels ; i++)  {
+    tmpimg = _KLTCreateFloatImage(ncols, nrows);
+    _KLTComputeSmoothedImage(currimg, sigma, tmpimg);
+
+
+    /* Subsample */
+    oldncols = ncols;
+    ncols /= subsampling;  nrows /= subsampling;
+    for (y = 0 ; y < nrows ; y++)
+      for (x = 0 ; x < ncols ; x++)
+        pyramid->img[i]->data[y*ncols+x] = 
+          tmpimg->data[(subsampling*y+subhalf)*oldncols +
+                      (subsampling*x+subhalf)];
+
+    /* Reassign current image */
+    currimg = pyramid->img[i];
+				
+    _KLTFreeFloatImage(tmpimg);
+  }
+}
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