1 files changed, 0 insertions, 79 deletions
diff --git a/src/gamma.c b/src/gamma.c
deleted file mode 100644
index 79a50f7..0000000
--- a/src/gamma.c
+++ /dev/null
@@ -1,79 +0,0 @@
-/**
- * crt-calibrator – Calibration utility for CRT monitors
- * Copyright © 2014  Mattias Andrée (maandree@member.fsf.org)
- * 
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- * 
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- * 
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-#include "gamma.h"
-
-#include <math.h>
-
-
-/**
- * Analyse a gamma ramp
- * 
- * @param  stops       The number of stops in the gamma ramp
- * @param  ramp        The gamma ramp
- * @param  gamma       Output parameter for the gamma
- * @param  contrast    Output parameter for the contrast
- * @param  brightness  Output parameter for the brightness
- */
-void gamma_analyse(size_t stops, const uint16_t* restrict ramp, double* restrict gamma,
-		   double* restrict contrast, double* restrict brightness)
-{
-  double min, middle, max;
-  *brightness = min = (double)(ramp[0])         / (double)0xFFFF;
-  *contrast   = max = (double)(ramp[stops - 1]) / (double)0xFFFF;
-  middle            = (double)(ramp[stops / 2]) / (double)0xFFFF;
-  
-  if (stops % 2 == 0)
-    {
-      middle += (double)(ramp[stops / 2 - 1]) / (double)0xFFFF;
-      middle /= (double)2;
-    }
-  
-  middle = (middle - min) / (max - min);
-  *gamma = -log((double)2) / log(middle);
-}
-
-
-/**
- * Generate a gamma ramp
- * 
- * @param  stops       The number of stops in the gamma ramp
- * @param  ramp        Memory area to where to write the gamma ramp
- * @param  gamma       The gamma
- * @param  contrast    The contrast
- * @param  brightness  The brightness
- */
-void gamma_generate(size_t stops, uint16_t* restrict ramp, double gamma,
-		    double contrast, double brightness)
-{
-  double diff = contrast - brightness;
-  double gamma_ = (double)1 / gamma;
-  size_t i;
-  int32_t y;
-  double y_;
-  
-  for (i = 0; i < stops; i++)
-    {
-      y_ = (double)i / (double)stops;
-      y_ = pow(y_, gamma_) * diff + brightness;
-      y = (int32_t)(y_ * 0xFFFF);
-      if (y < 0x0000)  y = 0x0000;
-      if (y > 0xFFFF)  y = 0xFFFF;
-      ramp[i] = (uint16_t)y;
-    }
-}
-