gimp/app/pdb/gradients-cmds.c

484 lines
20 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995-2003 Spencer Kimball and Peter Mattis
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/* NOTE: This file is auto-generated by pdbgen.pl. */
#include "config.h"
#include <string.h>
#include <gegl.h>
#include "pdb-types.h"
#include "core/gimp.h"
#include "core/gimpcontainer-filter.h"
#include "core/gimpcontext.h"
#include "core/gimpdatafactory.h"
#include "core/gimpgradient.h"
#include "core/gimpparamspecs.h"
#include "gimppdb.h"
#include "gimppdb-utils.h"
#include "gimpprocedure.h"
#include "internal-procs.h"
static GValueArray *
gradients_refresh_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gimp_data_factory_data_refresh (gimp->gradient_factory);
return gimp_procedure_get_return_values (procedure, TRUE, NULL);
}
static GValueArray *
gradients_get_list_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GValueArray *return_vals;
const gchar *filter;
gint32 num_gradients = 0;
gchar **gradient_list = NULL;
filter = g_value_get_string (&args->values[0]);
if (success)
{
gradient_list = gimp_container_get_filtered_name_array (gimp_data_factory_get_container (gimp->gradient_factory),
filter, &num_gradients);
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
{
g_value_set_int (&return_vals->values[1], num_gradients);
gimp_value_take_stringarray (&return_vals->values[2], gradient_list, num_gradients);
}
return return_vals;
}
static GValueArray *
gradients_sample_uniform_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GValueArray *return_vals;
gint32 num_samples;
gboolean reverse;
gint32 array_length = 0;
gdouble *color_samples = NULL;
num_samples = g_value_get_int (&args->values[0]);
reverse = g_value_get_boolean (&args->values[1]);
if (success)
{
GimpGradient *gradient;
GimpGradientSegment *seg = NULL;
gdouble pos, delta;
GimpRGB color;
gdouble *pv;
pos = 0.0;
delta = 1.0 / (num_samples - 1);
array_length = num_samples * 4;
pv = color_samples = g_new (gdouble, array_length);
gradient = gimp_context_get_gradient (context);
while (num_samples--)
{
seg = gimp_gradient_get_color_at (gradient, context, seg,
pos, reverse, &color);
*pv++ = color.r;
*pv++ = color.g;
*pv++ = color.b;
*pv++ = color.a;
pos += delta;
}
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
{
g_value_set_int (&return_vals->values[1], array_length);
gimp_value_take_floatarray (&return_vals->values[2], color_samples, array_length);
}
return return_vals;
}
static GValueArray *
gradients_sample_custom_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GValueArray *return_vals;
gint32 num_samples;
const gdouble *positions;
gboolean reverse;
gint32 array_length = 0;
gdouble *color_samples = NULL;
num_samples = g_value_get_int (&args->values[0]);
positions = gimp_value_get_floatarray (&args->values[1]);
reverse = g_value_get_boolean (&args->values[2]);
if (success)
{
GimpGradient *gradient;
GimpGradientSegment *seg = NULL;
GimpRGB color;
gdouble *pv;
array_length = num_samples * 4;
pv = color_samples = g_new (gdouble, array_length);
gradient = gimp_context_get_gradient (context);
while (num_samples--)
{
seg = gimp_gradient_get_color_at (gradient, context, seg,
*positions, reverse, &color);
*pv++ = color.r;
*pv++ = color.g;
*pv++ = color.b;
*pv++ = color.a;
positions++;
}
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
{
g_value_set_int (&return_vals->values[1], array_length);
gimp_value_take_floatarray (&return_vals->values[2], color_samples, array_length);
}
return return_vals;
}
static GValueArray *
gradients_get_gradient_data_invoker (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
const GValueArray *args,
GError **error)
{
gboolean success = TRUE;
GValueArray *return_vals;
const gchar *name;
gint32 sample_size;
gboolean reverse;
gchar *actual_name = NULL;
gint32 width = 0;
gdouble *grad_data = NULL;
name = g_value_get_string (&args->values[0]);
sample_size = g_value_get_int (&args->values[1]);
reverse = g_value_get_boolean (&args->values[2]);
if (success)
{
GimpGradient *gradient;
if (sample_size < 1 || sample_size > 10000)
sample_size = GIMP_GRADIENT_DEFAULT_SAMPLE_SIZE;
if (name && strlen (name))
gradient = gimp_pdb_get_gradient (gimp, name, FALSE, error);
else
gradient = gimp_context_get_gradient (context);
if (gradient)
{
GimpGradientSegment *seg = NULL;
gdouble *pv;
gdouble pos, delta;
GimpRGB color;
pos = 0.0;
delta = 1.0 / (sample_size - 1);
actual_name = g_strdup (gimp_object_get_name (GIMP_OBJECT (gradient)));
grad_data = g_new (gdouble, sample_size * 4);
width = sample_size * 4;
pv = grad_data;
while (sample_size)
{
seg = gimp_gradient_get_color_at (gradient, context, seg,
pos, reverse, &color);
*pv++ = color.r;
*pv++ = color.g;
*pv++ = color.b;
*pv++ = color.a;
pos += delta;
}
}
else
success = FALSE;
}
return_vals = gimp_procedure_get_return_values (procedure, success,
error ? *error : NULL);
if (success)
{
g_value_take_string (&return_vals->values[1], actual_name);
g_value_set_int (&return_vals->values[2], width);
gimp_value_take_floatarray (&return_vals->values[3], grad_data, width);
}
return return_vals;
}
void
register_gradients_procs (GimpPDB *pdb)
{
GimpProcedure *procedure;
/*
* gimp-gradients-refresh
*/
procedure = gimp_procedure_new (gradients_refresh_invoker);
gimp_object_set_static_name (GIMP_OBJECT (procedure),
"gimp-gradients-refresh");
gimp_procedure_set_static_strings (procedure,
"gimp-gradients-refresh",
"Refresh current gradients. This function always succeeds.",
"This procedure retrieves all gradients currently in the user's gradient path and updates the gradient dialogs accordingly.",
"Michael Natterer <mitch@gimp.org>",
"Michael Natterer",
"2002",
NULL);
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
/*
* gimp-gradients-get-list
*/
procedure = gimp_procedure_new (gradients_get_list_invoker);
gimp_object_set_static_name (GIMP_OBJECT (procedure),
"gimp-gradients-get-list");
gimp_procedure_set_static_strings (procedure,
"gimp-gradients-get-list",
"Retrieve the list of loaded gradients.",
"This procedure returns a list of the gradients that are currently loaded. You can later use the 'gimp-context-set-gradient' function to set the active gradient.",
"Federico Mena Quintero",
"Federico Mena Quintero",
"1997",
NULL);
gimp_procedure_add_argument (procedure,
gimp_param_spec_string ("filter",
"filter",
"An optional regular expression used to filter the list",
FALSE, TRUE, FALSE,
NULL,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_int32 ("num-gradients",
"num gradients",
"The number of loaded gradients",
0, G_MAXINT32, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_string_array ("gradient-list",
"gradient list",
"The list of gradient names",
GIMP_PARAM_READWRITE));
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
/*
* gimp-gradients-sample-uniform
*/
procedure = gimp_procedure_new (gradients_sample_uniform_invoker);
gimp_object_set_static_name (GIMP_OBJECT (procedure),
"gimp-gradients-sample-uniform");
gimp_procedure_set_static_strings (procedure,
"gimp-gradients-sample-uniform",
"This procedure is deprecated! Use 'gimp-gradient-get-uniform-samples' instead.",
"This procedure is deprecated! Use 'gimp-gradient-get-uniform-samples' instead.",
"",
"",
"",
"gimp-gradient-get-uniform-samples");
gimp_procedure_add_argument (procedure,
gimp_param_spec_int32 ("num-samples",
"num samples",
"The number of samples to take",
2, G_MAXINT32, 2,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
g_param_spec_boolean ("reverse",
"reverse",
"Use the reverse gradient",
FALSE,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_int32 ("array-length",
"array length",
"Length of the color_samples array (4 * num_samples)",
0, G_MAXINT32, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_float_array ("color-samples",
"color samples",
"Color samples: { R1, G1, B1, A1, ..., Rn, Gn, Bn, An }",
GIMP_PARAM_READWRITE));
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
/*
* gimp-gradients-sample-custom
*/
procedure = gimp_procedure_new (gradients_sample_custom_invoker);
gimp_object_set_static_name (GIMP_OBJECT (procedure),
"gimp-gradients-sample-custom");
gimp_procedure_set_static_strings (procedure,
"gimp-gradients-sample-custom",
"This procedure is deprecated! Use 'gimp-gradient-get-custom-samples' instead.",
"This procedure is deprecated! Use 'gimp-gradient-get-custom-samples' instead.",
"",
"",
"",
"gimp-gradient-get-custom-samples");
gimp_procedure_add_argument (procedure,
gimp_param_spec_int32 ("num-samples",
"num samples",
"The number of samples to take",
0, G_MAXINT32, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
gimp_param_spec_float_array ("positions",
"positions",
"The list of positions to sample along the gradient",
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
g_param_spec_boolean ("reverse",
"reverse",
"Use the reverse gradient",
FALSE,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_int32 ("array-length",
"array length",
"Length of the color_samples array (4 * num_samples)",
0, G_MAXINT32, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_float_array ("color-samples",
"color samples",
"Color samples: { R1, G1, B1, A1, ..., Rn, Gn, Bn, An }",
GIMP_PARAM_READWRITE));
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
/*
* gimp-gradients-get-gradient-data
*/
procedure = gimp_procedure_new (gradients_get_gradient_data_invoker);
gimp_object_set_static_name (GIMP_OBJECT (procedure),
"gimp-gradients-get-gradient-data");
gimp_procedure_set_static_strings (procedure,
"gimp-gradients-get-gradient-data",
"This procedure is deprecated! Use 'gimp-gradient-get-uniform-samples' instead.",
"This procedure is deprecated! Use 'gimp-gradient-get-uniform-samples' instead.",
"",
"",
"",
"gimp-gradient-get-uniform-samples");
gimp_procedure_add_argument (procedure,
gimp_param_spec_string ("name",
"name",
"The gradient name (\"\" means current active gradient)",
FALSE, TRUE, FALSE,
NULL,
GIMP_PARAM_READWRITE));
gimp_procedure_add_argument (procedure,
gimp_param_spec_int32 ("sample-size",
"sample size",
"Size of the sample to return when the gradient is changed",
1, 10000, 1,
GIMP_PARAM_READWRITE | GIMP_PARAM_NO_VALIDATE));
gimp_procedure_add_argument (procedure,
g_param_spec_boolean ("reverse",
"reverse",
"Use the reverse gradient",
FALSE,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_string ("actual-name",
"actual name",
"The gradient name",
FALSE, FALSE, FALSE,
NULL,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_int32 ("width",
"width",
"The gradient sample width (r,g,b,a)",
0, G_MAXINT32, 0,
GIMP_PARAM_READWRITE));
gimp_procedure_add_return_value (procedure,
gimp_param_spec_float_array ("grad-data",
"grad data",
"The gradient sample data",
GIMP_PARAM_READWRITE));
gimp_pdb_register_procedure (pdb, procedure);
g_object_unref (procedure);
}