gimp/libgimp/gimpgradient.c

144 lines
3.7 KiB
C

/* LIBGIMP - The GIMP Library
* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "gimp.h"
char **
gimp_gradients_get_list(gint *num_gradients)
{
GParam *return_vals;
int nreturn_vals;
char **gradient_names;
int i;
return_vals = gimp_run_procedure ("gimp_gradients_get_list",
&nreturn_vals,
PARAM_END);
*num_gradients = 0;
gradient_names = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
{
*num_gradients = return_vals[1].data.d_int32;
gradient_names = g_new (char *, *num_gradients);
for (i = 0; i < *num_gradients; i++)
gradient_names[i] = g_strdup (return_vals[2].data.d_stringarray[i]);
}
gimp_destroy_params (return_vals, nreturn_vals);
return gradient_names;
}
char *
gimp_gradients_get_active(void)
{
GParam *return_vals;
int nreturn_vals;
char *result;
return_vals = gimp_run_procedure ("gimp_gradients_get_active",
&nreturn_vals,
PARAM_END);
result = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
result = g_strdup (return_vals[1].data.d_string);
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
void
gimp_gradients_set_active(char *name)
{
GParam *return_vals;
int nreturn_vals;
return_vals = gimp_run_procedure ("gimp_gradients_set_active",
&nreturn_vals,
PARAM_STRING, name,
PARAM_END);
gimp_destroy_params (return_vals, nreturn_vals);
}
gdouble *
gimp_gradients_sample_uniform(gint num_samples)
{
GParam *return_vals;
int nreturn_vals;
gdouble *result;
int nresult;
int i;
return_vals = gimp_run_procedure ("gimp_gradients_sample_uniform",
&nreturn_vals,
PARAM_INT32, num_samples,
PARAM_END);
result = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
{
nresult = return_vals[1].data.d_int32;
result = g_new(gdouble, nresult);
for (i = 0; i < nresult; i++)
result[i] = return_vals[2].data.d_floatarray[i];
}
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}
gdouble *
gimp_gradients_sample_custom(gint num_samples, gdouble *positions)
{
GParam *return_vals;
int nreturn_vals;
gdouble *result;
int nresult;
int i;
return_vals = gimp_run_procedure ("gimp_gradients_sample_custom",
&nreturn_vals,
PARAM_INT32, num_samples,
PARAM_FLOATARRAY, positions,
PARAM_END);
result = NULL;
if (return_vals[0].data.d_status == STATUS_SUCCESS)
{
nresult = return_vals[1].data.d_int32;
result = g_new (gdouble, nresult);
for (i = 0; i < nresult; i++)
result[i] = return_vals[2].data.d_floatarray[i];
}
gimp_destroy_params (return_vals, nreturn_vals);
return result;
}