libs/filters/GP_BrightnessContrast.gen.c.t

   1 @ include source.t
   2 /*
   3  * Brightness and Contrast Point filter
   4  *
   5  * Copyright (C) 2009-2014 Cyril Hrubis <metan@ucw.cz>
   6  */
   7
   8 #include "core/GP_Clamp.h"
   9
  10 @ include point_filter.t
  11 @ def filter_op_brightness_contrast(val, val_max):
  12 GP_CLAMP_GENERIC(c * {{ val }} + b * {{ val_max }} + 0.5, 0, {{ val_max }})
  13 @ end
  14
  15 {@ filter_point('BrightnessContrast', filter_op_brightness_contrast, 'float b, float c', 'b, c') @}