From aee7c4c4ae9a594f490bb28f12576fbcb6cefef6 Mon Sep 17 00:00:00 2001
From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sun, 20 Jun 2021 11:50:14 -0700
Subject: [PATCH] remove unused color_blend_rgb

---
 lib/edgepaint/lab.c | 88 ---------------------------------------------
 lib/edgepaint/lab.h |  2 --
 2 files changed, 90 deletions(-)

diff --git a/lib/edgepaint/lab.c b/lib/edgepaint/lab.c
index 299b77112..f2bb2b3b4 100644
--- a/lib/edgepaint/lab.c
+++ b/lib/edgepaint/lab.c
@@ -283,91 +283,3 @@ void color_blend_rgb2lab(char *color_list, const int maxpoints, double **colors0
   FREE(dists);
   FREE(lab);  
 }
-
-
-
-
-
-color_rgb color_blend_rgb(char *color_list, real ratio, int *flag){
-  /* give a color list of the form "#ff0000,#00ff00,...", get a blend at ratio*100 percent of the position in that list and return in string color0 of the form #abcdef
-     If *colors0 is NULL, it will be allocated.
-     color_list: either "#ff0000,#00ff00,...", or "pastel"
-  */
-
-  int nc = 1, r, g, b, i, ii;
-  char *cl;
-  color_lab *lab = NULL;
-  color_rgb rgb;
-  double *dists = NULL;
-  char *cp;
-  color_lab clab;
-  double color[3];
-
-  *flag = 0;
-
-  ratio = MAX(ratio, 0);
-  ratio = MIN(ratio, 1);
-
-  cp = color_palettes_get(color_list);
-  if (cp){
-    color_list = cp;
-  }
-
-  cl = color_list;
-  while ((cl=strstr(cl, ",")) != NULL){
-    cl++; nc++;
-  }
-
-  lab = malloc(sizeof(color_lab)*MAX(nc,1));
-
-  cl = color_list - 1;
-  nc = 0;
-  do {
-    cl++;
-    if (sscanf(cl,"#%02X%02X%02X", &r, &g, &b) != 3) break;
-    rgb.r = r; rgb.g = g; rgb.b = b;
-    lab[nc++] = RGB2LAB(rgb);
-  } while ((cl=strstr(cl, ",")) != NULL);
-
-  if (nc == 1 || ratio == 0){
-    rgb = LAB2RGB(lab[0]);
-    goto RETURN;
-  } else if (nc == 0){
-    fprintf(stderr, "no color\n");
-    *flag = -1;
-    goto RETURN;
-  }
-
-  dists = malloc(sizeof(double)*MAX(1, nc));
-  dists[0] = 0;
-  for (i = 0; i < nc - 1; i++){
-    dists[i+1] = lab_dist(lab[i], lab[i+1]);
-  }
-  /* dists[i] is now the summed color distance from  the 0-th color to the i-th color */
-  for (i = 0; i < nc - 1; i++){
-    dists[i+1] += dists[i];
-  }
-  if (dists[nc-1] == 0){/* same color in the list */
-    rgb = LAB2RGB(lab[0]);
-    goto RETURN;
-  }
-  for (i = 0; i < nc; i++){
-    dists[i] /= dists[nc - 1];
-  }
-
-  ii = 0;
-  while (dists[ii] < ratio) ii++;
-    
-  assert(ii < nc && ii > 0);
-
-  lab_interpolate(lab[ii - 1], lab[ii], (ratio - dists[ii - 1])/MAX(0.001, (dists[ii] - dists[ii - 1])), color);
-  clab = color_lab_init(color[0], color[1], color[2]);
-  rgb = LAB2RGB(clab);
-
-  
-
-  RETURN:
-  if (dists) FREE(dists);
-  if (lab) FREE(lab);  
-  return rgb;
-}
diff --git a/lib/edgepaint/lab.h b/lib/edgepaint/lab.h
index 41067c6ce..b42e0d9a3 100644
--- a/lib/edgepaint/lab.h
+++ b/lib/edgepaint/lab.h
@@ -38,7 +38,5 @@ double *lab_gamut(const char *lightness, int *n);  /* give a list of n points  i
 void color_blend_rgb2lab(char *color_list, const int maxpoints, double **colors); /* give a color list of the form "#ff0000,#00ff00,...", get a list of around maxpoints
 										     colors in an array colors0 of size [maxpoints*3] of the form {{l,a,b},...}.
 										     If *colors0 is NULL, it will be allocated. */
- 
-color_rgb color_blend_rgb(char *color_list, const real ratio, int *flag);/* blend a color list to get one color at ratio*100 percent of the list */
 
 #endif
-- 
2.40.0