Restore original saturation and brightness

native/test_color_boost.c

@@ -5,16 +5,16 @@ int main(void){
  unsigned char out[3];
  for(unsigned v=0;v<256;v++){
   unsigned char gray[3]={v,v,v};boost_color(gray,out);
-  unsigned expected=(v*133+50)/100;if(expected>255)expected=255;
+  unsigned expected=v;
   assert(out[0]==expected && out[1]==expected && out[2]==expected);
  }
  unsigned char cyan[3]={93,224,242};boost_color(cyan,out);
- assert(out[0]<93 && out[1]>out[0] && out[1]<out[2] && out[2]==255);
+ assert(out[0]==93 && out[1]==224 && out[2]==242);
  for(unsigned c=0;c<3;c++){
   unsigned char primary[3]={0};primary[c]=255;boost_color(primary,out);
   for(unsigned j=0;j<3;j++)assert(out[j]==primary[j]);
  }
  unsigned char warm[3]={171,82,0};boost_color(warm,out);
- assert(out[0]==227 && out[1]>82 && out[2]==0);
- puts("PASS: neutral grays, stronger cyan, brighter warm color, clamped primaries");
+ assert(out[0]==171 && out[1]==82 && out[2]==0);
+ puts("PASS: neutral grays, unchanged cyan, warm color and primaries");
 }