/* !!!! AUTOGENERATED FILE generated by math.rb !!!!!
*
* This file is an image processing operation for GEGL
*
* GEGL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* GEGL 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GEGL; if not, see .
*
* Copyright 2006 Øyvind Kolås
*
* !!!! AUTOGENERATED FILE !!!!!
*/
#include "config.h"
#include
#ifdef GEGL_CHANT_PROPERTIES
gegl_chant_double (value, _("Value"), -G_MAXDOUBLE, G_MAXDOUBLE, 1.0, _("global value used if aux doesn't contain data"))
#else
#define GEGL_CHANT_TYPE_POINT_COMPOSER
#define GEGL_CHANT_C_FILE "gamma.c"
#include "gegl-chant.h"
#include
#ifdef _MSC_VER
#define powf(a,b) ((gfloat)pow(a,b))
#endif
static void prepare (GeglOperation *operation)
{
const Babl *format = babl_format ("RGBA float");
gegl_operation_set_format (operation, "input", format);
gegl_operation_set_format (operation, "aux", babl_format ("RGB float"));
gegl_operation_set_format (operation, "output", format);
}
static gboolean
process (GeglOperation *op,
void *in_buf,
void *aux_buf,
void *out_buf,
glong n_pixels,
const GeglRectangle *roi,
gint level)
{
gfloat * GEGL_ALIGNED in = in_buf;
gfloat * GEGL_ALIGNED out = out_buf;
gfloat * GEGL_ALIGNED aux = aux_buf;
gint i;
if (aux == NULL)
{
gfloat value = GEGL_CHANT_PROPERTIES (op)->value;
for (i=0; iprocess = process;
operation_class->prepare = prepare;
gegl_operation_class_set_keys (operation_class,
"name" , "gegl:gamma",
"categories" , "compositors:math",
"description" ,
_("Math operation gamma (c = powf (c, value))"),
NULL);
}
#endif