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gimp/plug-ins/script-fu/scheme-wrapper.c

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/* The GIMP -- an image manipulation program
* Copyright (C) 1995 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.
*/
#include "config.h"
#include <string.h> /* memcpy, strcpy, strlen */
#include <glib.h>
#include "libgimp/gimp.h"
#include "siod/siod.h"
#include "script-fu-constants.h"
#include "script-fu-enums.h"
#include "script-fu-scripts.h"
#include "script-fu-server.h"
#include "siod-wrapper.h"
/* global variables declared by the scheme interpreter */
extern FILE * siod_output;
extern int siod_verbose_level;
extern gchar siod_err_msg[];
extern LISP repl_return_val;
/* defined in regex.c. not exported by regex.h */
extern void init_regex (void);
/* defined in siodp.h but this file cannot be imported... */
extern long nlength (LISP obj);
extern LISP leval_define (LISP args, LISP env);
/* wrapper functions */
FILE *
siod_get_output_file (void)
{
return siod_output;
}
void
siod_set_output_file (FILE *file)
{
siod_output = file;
}
int
siod_get_verbose_level (void)
{
return siod_verbose_level;
}
void
siod_set_verbose_level (gint verbose_level)
{
siod_verbose_level = verbose_level;
}
void
siod_print_welcome (void)
{
print_welcome ();
}
gint
siod_interpret_string (const gchar *expr)
{
return repl_c_string ((char *)expr, 0, 0, 1);
}
const char *
siod_get_error_msg (void)
{
return siod_err_msg;
}
const gchar *
siod_get_success_msg (void)
{
if (TYPEP (repl_return_val, tc_string))
return get_c_string (repl_return_val);
else
return "Success";
}
static void init_constants (void);
static void init_procedures (void);
static gboolean register_scripts = FALSE;
void
siod_init (gboolean local_register_scripts)
{
char *siod_argv[] =
{
"siod",
"-h100000:10",
"-g0",
"-o1000",
"-s200000",
"-n2048",
"-v0",
};
register_scripts = local_register_scripts;
/* init the interpreter */
process_cla (G_N_ELEMENTS (siod_argv), siod_argv, 1);
init_storage ();
init_subrs ();
init_trace ();
init_regex ();
/* register in the interpreter the gimp functions and types. */
init_procedures ();
init_constants ();
}
static void convert_string (gchar *str);
static gint sputs_fcn (gchar *st,
gpointer dest);
static LISP lprin1s (LISP exp,
gchar *dest);
static LISP marshall_proc_db_call (LISP a);
static LISP script_fu_register_call (LISP a);
static LISP script_fu_quit_call (LISP a);
/*
* Below can be found the functions responsible for registering the
* gimp functions and types against the scheme interpreter.
*/
static void
init_procedures (void)
{
gchar **proc_list;
gchar *proc_name;
gchar *arg_name;
gchar *proc_blurb;
gchar *proc_help;
gchar *proc_author;
gchar *proc_copyright;
gchar *proc_date;
GimpPDBProcType proc_type;
gint nparams;
gint nreturn_vals;
GimpParamDef *params;
GimpParamDef *return_vals;
gint num_procs;
gint i;
/* register the database execution procedure */
init_lsubr ("gimp-proc-db-call", marshall_proc_db_call);
init_lsubr ("script-fu-register", script_fu_register_call);
init_lsubr ("script-fu-quit", script_fu_quit_call);
gimp_procedural_db_query (".*", ".*", ".*", ".*", ".*", ".*", ".*",
&num_procs, &proc_list);
/* Register each procedure as a scheme func */
for (i = 0; i < num_procs; i++)
{
proc_name = g_strdup (proc_list[i]);
/* lookup the procedure */
if (gimp_procedural_db_proc_info (proc_name,
&proc_blurb,
&proc_help,
&proc_author,
&proc_copyright,
&proc_date,
&proc_type,
&nparams, &nreturn_vals,
&params, &return_vals))
{
LISP args = NIL;
LISP code = NIL;
gint j;
/* convert the names to scheme-like naming conventions */
convert_string (proc_name);
/* create a new scheme func that calls gimp-proc-db-call */
for (j = 0; j < nparams; j++)
{
arg_name = g_strdup (params[j].name);
convert_string (arg_name);
args = cons (cintern (arg_name), args);
code = cons (cintern (arg_name), code);
}
/* reverse the list */
args = nreverse (args);
code = nreverse (code);
/* set the scheme-based procedure name */
args = cons (cintern (proc_name), args);
/* set the acture pdb procedure name */
code = cons (cons (cintern ("quote"),
cons (cintern (proc_list[i]), NIL)),
code);
code = cons (cintern ("gimp-proc-db-call"), code);
leval_define (cons (args, cons (code, NIL)), NIL);
/* free the queried information */
g_free (proc_blurb);
g_free (proc_help);
g_free (proc_author);
g_free (proc_copyright);
g_free (proc_date);
gimp_destroy_paramdefs (params, nparams);
gimp_destroy_paramdefs (return_vals, nreturn_vals);
}
}
g_free (proc_list);
}
static void
init_constants (void)
{
gchar *gimp_plugin_dir;
setvar (cintern ("gimp-data-dir"),
strcons (-1, (gchar *) gimp_data_directory ()), NIL);
gimp_plugin_dir = gimp_gimprc_query ("gimp_plugin_dir");
if (gimp_plugin_dir)
{
setvar (cintern ("gimp-plugin-dir"),
strcons (-1, gimp_plugin_dir), NIL);
g_free (gimp_plugin_dir);
}
/* Generated constants */
init_generated_constants ();
/* These are for backwards compatibility; they should be removed sometime */
setvar (cintern ("NORMAL"), flocons (GIMP_NORMAL_MODE), NIL);
setvar (cintern ("DISSOLVE"), flocons (GIMP_DISSOLVE_MODE), NIL);
setvar (cintern ("BEHIND"), flocons (GIMP_BEHIND_MODE), NIL);
setvar (cintern ("MULTIPLY"), flocons (GIMP_MULTIPLY_MODE), NIL);
setvar (cintern ("SCREEN"), flocons (GIMP_SCREEN_MODE), NIL);
setvar (cintern ("OVERLAY"), flocons (GIMP_OVERLAY_MODE), NIL);
setvar (cintern ("DIFFERENCE"), flocons (GIMP_DIFFERENCE_MODE), NIL);
setvar (cintern ("ADDITION"), flocons (GIMP_ADDITION_MODE), NIL);
setvar (cintern ("SUBTRACT"), flocons (GIMP_SUBTRACT_MODE), NIL);
setvar (cintern ("DARKEN-ONLY"), flocons (GIMP_DARKEN_ONLY_MODE), NIL);
setvar (cintern ("LIGHTEN-ONLY"), flocons (GIMP_LIGHTEN_ONLY_MODE), NIL);
setvar (cintern ("HUE"), flocons (GIMP_HUE_MODE), NIL);
setvar (cintern ("SATURATION"), flocons (GIMP_SATURATION_MODE), NIL);
setvar (cintern ("COLOR"), flocons (GIMP_COLOR_MODE), NIL);
setvar (cintern ("VALUE"), flocons (GIMP_VALUE_MODE), NIL);
setvar (cintern ("DIVIDE"), flocons (GIMP_DIVIDE_MODE), NIL);
setvar (cintern ("BLUR"), flocons (GIMP_BLUR_CONVOLVE), NIL);
setvar (cintern ("SHARPEN"), flocons (GIMP_SHARPEN_CONVOLVE), NIL);
setvar (cintern ("RGB-IMAGE"), flocons (GIMP_RGB_IMAGE), NIL);
setvar (cintern ("RGBA-IMAGE"), flocons (GIMP_RGBA_IMAGE), NIL);
setvar (cintern ("GRAY-IMAGE"), flocons (GIMP_GRAY_IMAGE), NIL);
setvar (cintern ("GRAYA-IMAGE"), flocons (GIMP_GRAYA_IMAGE), NIL);
setvar (cintern ("INDEXED-IMAGE"), flocons (GIMP_INDEXED_IMAGE), NIL);
setvar (cintern ("INDEXEDA-IMAGE"), flocons (GIMP_INDEXEDA_IMAGE), NIL);
setvar (cintern ("WHITE-MASK"), flocons (GIMP_ADD_WHITE_MASK), NIL);
setvar (cintern ("BLACK-MASK"), flocons (GIMP_ADD_BLACK_MASK), NIL);
setvar (cintern ("ALPHA-MASK"), flocons (GIMP_ADD_ALPHA_MASK), NIL);
setvar (cintern ("ADD"), flocons (GIMP_CHANNEL_OP_ADD), NIL);
setvar (cintern ("SUB"), flocons (GIMP_CHANNEL_OP_SUBTRACT), NIL);
setvar (cintern ("REPLACE"), flocons (GIMP_CHANNEL_OP_REPLACE), NIL);
setvar (cintern ("INTERSECT"), flocons (GIMP_CHANNEL_OP_INTERSECT), NIL);
setvar (cintern ("FG-BG-RGB"), flocons (GIMP_FG_BG_RGB_MODE), NIL);
setvar (cintern ("FG-BG-HSV"), flocons (GIMP_FG_BG_HSV_MODE), NIL);
setvar (cintern ("FG-TRANS"), flocons (GIMP_FG_TRANSPARENT_MODE), NIL);
setvar (cintern ("CUSTOM"), flocons (GIMP_CUSTOM_MODE), NIL);
setvar (cintern ("FG-IMAGE-FILL"), flocons (GIMP_FOREGROUND_FILL), NIL);
setvar (cintern ("BG-IMAGE-FILL"), flocons (GIMP_BACKGROUND_FILL), NIL);
setvar (cintern ("WHITE-IMAGE-FILL"), flocons (GIMP_WHITE_FILL), NIL);
setvar (cintern ("TRANS-IMAGE-FILL"), flocons (GIMP_TRANSPARENT_FILL), NIL);
setvar (cintern ("APPLY"), flocons (GIMP_MASK_APPLY), NIL);
setvar (cintern ("DISCARD"), flocons (GIMP_MASK_DISCARD), NIL);
setvar (cintern ("HARD"), flocons (GIMP_BRUSH_HARD), NIL);
setvar (cintern ("SOFT"), flocons (GIMP_BRUSH_SOFT), NIL);
setvar (cintern ("CONTINUOUS"), flocons (GIMP_PAINT_CONSTANT), NIL);
setvar (cintern ("INCREMENTAL"), flocons (GIMP_PAINT_INCREMENTAL), NIL);
setvar (cintern ("HORIZONTAL"), flocons (GIMP_ORIENTATION_HORIZONTAL), NIL);
setvar (cintern ("VERTICAL"), flocons (GIMP_ORIENTATION_VERTICAL), NIL);
setvar (cintern ("UNKNOWN"), flocons (GIMP_ORIENTATION_UNKNOWN), NIL);
setvar (cintern ("LINEAR"), flocons (GIMP_GRADIENT_LINEAR), NIL);
setvar (cintern ("BILINEAR"), flocons (GIMP_GRADIENT_BILINEAR), NIL);
setvar (cintern ("RADIAL"), flocons (GIMP_GRADIENT_RADIAL), NIL);
setvar (cintern ("SQUARE"), flocons (GIMP_GRADIENT_SQUARE), NIL);
setvar (cintern ("CONICAL-SYMMETRIC"), flocons (GIMP_GRADIENT_CONICAL_SYMMETRIC), NIL);
setvar (cintern ("CONICAL-ASYMMETRIC"), flocons (GIMP_GRADIENT_CONICAL_ASYMMETRIC), NIL);
setvar (cintern ("SHAPEBURST-ANGULAR"), flocons (GIMP_GRADIENT_SHAPEBURST_ANGULAR), NIL);
setvar (cintern ("SHAPEBURST-SPHERICAL"), flocons (GIMP_GRADIENT_SHAPEBURST_SPHERICAL), NIL);
setvar (cintern ("SHAPEBURST-DIMPLED"), flocons (GIMP_GRADIENT_SHAPEBURST_DIMPLED), NIL);
setvar (cintern ("SPIRAL-CLOCKWISE"), flocons (GIMP_GRADIENT_SPIRAL_CLOCKWISE), NIL);
setvar (cintern ("SPIRAL-ANTICLOCKWISE"), flocons (GIMP_GRADIENT_SPIRAL_ANTICLOCKWISE), NIL);
setvar (cintern ("VALUE-LUT"), flocons (GIMP_HISTOGRAM_VALUE), NIL);
setvar (cintern ("RED-LUT"), flocons (GIMP_HISTOGRAM_RED), NIL);
setvar (cintern ("GREEN-LUT"), flocons (GIMP_HISTOGRAM_GREEN), NIL);
setvar (cintern ("BLUE-LUT"), flocons (GIMP_HISTOGRAM_BLUE), NIL);
setvar (cintern ("ALPHA-LUT"), flocons (GIMP_HISTOGRAM_ALPHA), NIL);
/* Useful misc stuff */
setvar (cintern ("TRUE"), flocons (TRUE), NIL);
setvar (cintern ("FALSE"), flocons (FALSE), NIL);
/* Script-fu types */
setvar (cintern ("SF-IMAGE"), flocons (SF_IMAGE), NIL);
setvar (cintern ("SF-DRAWABLE"), flocons (SF_DRAWABLE), NIL);
setvar (cintern ("SF-LAYER"), flocons (SF_LAYER), NIL);
setvar (cintern ("SF-CHANNEL"), flocons (SF_CHANNEL), NIL);
setvar (cintern ("SF-COLOR"), flocons (SF_COLOR), NIL);
setvar (cintern ("SF-TOGGLE"), flocons (SF_TOGGLE), NIL);
setvar (cintern ("SF-VALUE"), flocons (SF_VALUE), NIL);
setvar (cintern ("SF-STRING"), flocons (SF_STRING), NIL);
setvar (cintern ("SF-FILENAME"), flocons (SF_FILENAME), NIL);
setvar (cintern ("SF-DIRNAME"), flocons (SF_DIRNAME), NIL);
setvar (cintern ("SF-ADJUSTMENT"), flocons (SF_ADJUSTMENT), NIL);
setvar (cintern ("SF-FONT"), flocons (SF_FONT), NIL);
setvar (cintern ("SF-PATTERN"), flocons (SF_PATTERN), NIL);
setvar (cintern ("SF-BRUSH"), flocons (SF_BRUSH), NIL);
setvar (cintern ("SF-GRADIENT"), flocons (SF_GRADIENT), NIL);
setvar (cintern ("SF-OPTION"), flocons (SF_OPTION), NIL);
/* for SF_ADJUSTMENT */
setvar (cintern ("SF-SLIDER"), flocons (SF_SLIDER), NIL);
setvar (cintern ("SF-SPINNER"), flocons (SF_SPINNER), NIL);
}
static void
convert_string (gchar *str)
{
while (*str)
{
if (*str == '_') *str = '-';
str++;
}
}
static gboolean
sputs_fcn (gchar *st,
gpointer dest)
{
strcpy (*((gchar**)dest), st);
*((gchar**)dest) += strlen (st);
return TRUE;
}
static LISP
lprin1s (LISP exp,
gchar *dest)
{
struct gen_printio s;
s.putc_fcn = NULL;
s.puts_fcn = sputs_fcn;
s.cb_argument = &dest;
lprin1g (exp, &s);
return (NIL);
}
static LISP
marshall_proc_db_call (LISP a)
{
GimpParam *args;
GimpParam *values = NULL;
gint nvalues;
gchar *proc_name;
gchar *proc_blurb;
gchar *proc_help;
gchar *proc_author;
gchar *proc_copyright;
gchar *proc_date;
GimpPDBProcType proc_type;
gint nparams;
gint nreturn_vals;
GimpParamDef *params;
GimpParamDef *return_vals;
gchar error_str[256];
gint i;
gint success = TRUE;
LISP intermediate_val;
LISP return_val = NIL;
gchar *string;
gint string_len;
LISP a_saved;
/* Save a in case it is needed for an error message. */
a_saved = a;
/* Make sure there are arguments */
if (a == NIL)
return my_err ("Procedure database argument marshaller was called with no arguments. "
"The procedure to be executed and the arguments it requires "
"(possibly none) must be specified.", NIL);
/* Derive the pdb procedure name from the argument
or first argument of a list */
if (TYPEP (a, tc_cons))
proc_name = get_c_string (car (a));
else
proc_name = get_c_string (a);
/* report the current command */
script_fu_report_cc (proc_name);
/* Attempt to fetch the procedure from the database */
if (! gimp_procedural_db_proc_info (proc_name,
&proc_blurb,
&proc_help,
&proc_author,
&proc_copyright,
&proc_date,
&proc_type,
&nparams, &nreturn_vals,
&params, &return_vals))
{
convert_string (proc_name);
g_snprintf (error_str, sizeof (error_str),
"Invalid procedure name %s specified", proc_name);
return my_err (error_str, NIL);
}
/* Free the name and the description which are of no use here. */
for (i = 0; i < nparams; i++)
{
g_free (params[i].name);
g_free (params[i].description);
}
for (i = 0; i < nreturn_vals; i++)
{
g_free (return_vals[i].name);
g_free (return_vals[i].description);
}
/* Check the supplied number of arguments */
if ((nlength (a) - 1) != nparams)
{
convert_string (proc_name);
g_snprintf (error_str, sizeof (error_str),
"Invalid arguments supplied to %s -- "
"(# args: %ld, expecting: %d)",
proc_name, (nlength (a) - 1), nparams);
return my_err (error_str, NIL);
}
/* Marshall the supplied arguments */
if (nparams)
args = g_new (GimpParam, nparams);
else
args = NULL;
a = cdr (a);
for (i = 0; i < nparams; i++)
{
switch (params[i].type)
{
case GIMP_PDB_INT32:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_INT32;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_INT16:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_INT16;
args[i].data.d_int16 = (gint16) get_c_long (car (a));
}
break;
case GIMP_PDB_INT8:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_INT8;
args[i].data.d_int8 = (gint8) get_c_long (car (a));
}
break;
case GIMP_PDB_FLOAT:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_FLOAT;
args[i].data.d_float = get_c_double (car (a));
}
break;
case GIMP_PDB_STRING:
if (!TYPEP (car (a), tc_string))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_STRING;
args[i].data.d_string = get_c_string (car (a));
}
break;
case GIMP_PDB_INT32ARRAY:
if (!TYPEP (car (a), tc_long_array))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_INT32ARRAY;
args[i].data.d_int32array =
(gint32*) (car (a))->storage_as.long_array.data;
}
break;
case GIMP_PDB_INT16ARRAY:
if (!TYPEP (car (a), tc_long_array))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_INT16ARRAY;
args[i].data.d_int16array =
(gint16*) (car (a))->storage_as.long_array.data;
}
break;
case GIMP_PDB_INT8ARRAY:
if (!TYPEP (car (a), tc_byte_array))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_INT8ARRAY;
args[i].data.d_int8array =
(gint8*) (car (a))->storage_as.string.data;
}
break;
case GIMP_PDB_FLOATARRAY:
if (!TYPEP (car (a), tc_double_array))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_FLOATARRAY;
args[i].data.d_floatarray =
(car (a))->storage_as.double_array.data;
}
break;
case GIMP_PDB_STRINGARRAY:
if (!TYPEP (car (a), tc_cons))
success = FALSE;
if (success)
{
gint j;
gint num_strings;
gchar **array;
LISP list;
args[i].type = GIMP_PDB_STRINGARRAY;
list = car (a);
num_strings = args[i - 1].data.d_int32;
if (nlength (list) != num_strings)
{
convert_string (proc_name);
g_snprintf (error_str, sizeof (error_str),
"String array (argument %d) for function %s has "
"incorrect length (got %ld, expected %d)",
i+1, proc_name, nlength(list), num_strings);
return my_err (error_str, NIL);
}
array = args[i].data.d_stringarray = g_new (gchar *,
num_strings);
for (j = 0; j < num_strings; j++)
{
array[j] = get_c_string (car (list));
list = cdr (list);
}
}
break;
case GIMP_PDB_COLOR:
if (!TYPEP (car (a), tc_cons))
success = FALSE;
if (success)
{
LISP color_list;
guchar r, g, b;
args[i].type = GIMP_PDB_COLOR;
color_list = car (a);
r = CLAMP (get_c_long (car (color_list)), 0, 255);
color_list = cdr (color_list);
g = CLAMP (get_c_long (car (color_list)), 0, 255);
color_list = cdr (color_list);
b = CLAMP (get_c_long (car (color_list)), 0, 255);
gimp_rgba_set_uchar (&args[i].data.d_color, r, g, b, 255);
}
break;
case GIMP_PDB_REGION:
return my_err ("Regions are currently unsupported as arguments",
car (a));
break;
case GIMP_PDB_DISPLAY:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_DISPLAY;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_IMAGE:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_IMAGE;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_LAYER:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_LAYER;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_CHANNEL:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_CHANNEL;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_DRAWABLE:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_DRAWABLE;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_SELECTION:
if (!TYPEP (car (a), tc_flonum))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_SELECTION;
args[i].data.d_int32 = get_c_long (car (a));
}
break;
case GIMP_PDB_BOUNDARY:
return my_err ("Boundaries are currently unsupported as arguments",
car (a));
break;
case GIMP_PDB_PATH:
return my_err ("Paths are currently unsupported as arguments",
car (a));
break;
case GIMP_PDB_PARASITE:
if (!TYPEP (car (a), tc_cons))
success = FALSE;
if (success)
{
args[i].type = GIMP_PDB_PARASITE;
/* parasite->name */
intermediate_val = car (a);
if (!TYPEP (car (intermediate_val), tc_string))
{
success = FALSE;
break;
}
args[i].data.d_parasite.name =
get_c_string (car (intermediate_val));
/* parasite->flags */
intermediate_val = cdr (intermediate_val);
if (!TYPEP (car (intermediate_val), tc_flonum))
{
success = FALSE;
break;
}
args[i].data.d_parasite.flags =
get_c_long (car (intermediate_val));
/* parasite->size */
intermediate_val = cdr (intermediate_val);
if (!TYPEP (car (intermediate_val), tc_string) &&
!TYPEP (car (intermediate_val), tc_byte_array))
{
success = FALSE;
break;
}
args[i].data.d_parasite.size =
(car (intermediate_val))->storage_as.string.dim;
/* parasite->data */
args[i].data.d_parasite.data =
(car (intermediate_val))->storage_as.string.data;
}
break;
case GIMP_PDB_STATUS:
return my_err ("Status is for return types, not arguments", car (a));
break;
default:
convert_string (proc_name);
g_snprintf (error_str, sizeof (error_str),
"Argument %d for %s is an unknown type",
i+1, proc_name);
return my_err (error_str, NIL);
}
if (!success)
break;
a = cdr (a);
}
if (success)
{
values = gimp_run_procedure2 (proc_name, &nvalues, nparams, args);
}
else
{
g_snprintf (error_str, sizeof (error_str),
"Invalid type for argument %d to %s", i+1, proc_name);
return my_err (error_str, NIL);
}
/* Check the return status */
if (! values)
{
strcpy (error_str,
"Procedural database execution did not return a status:\n ");
lprin1s (a_saved, error_str + strlen (error_str));
return my_err (error_str, NIL);
}
switch (values[0].data.d_status)
{
case GIMP_PDB_EXECUTION_ERROR:
strcpy (error_str,
"Procedural database execution failed:\n ");
lprin1s (a_saved, error_str + strlen (error_str));
return my_err (error_str, NIL);
break;
case GIMP_PDB_CALLING_ERROR:
strcpy (error_str,
"Procedural database execution failed on invalid input arguments:\n ");
lprin1s (a_saved, error_str + strlen (error_str));
return my_err (error_str, NIL);
break;
case GIMP_PDB_SUCCESS:
return_val = NIL;
for (i = 0; i < nvalues - 1; i++)
{
switch (return_vals[i].type)
{
case GIMP_PDB_INT32:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_INT16:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_INT8:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_FLOAT:
return_val = cons (flocons (values[i + 1].data.d_float),
return_val);
break;
case GIMP_PDB_STRING:
string = values[i + 1].data.d_string;
if (! string)
string = "";
string_len = strlen (string);
return_val = cons (strcons (string_len, string), return_val);
break;
case GIMP_PDB_INT32ARRAY:
{
LISP array;
gint j;
array = arcons (tc_long_array, values[i].data.d_int32, 0);
for (j = 0; j < values[i].data.d_int32; j++)
{
array->storage_as.long_array.data[j] =
values[i + 1].data.d_int32array[j];
}
return_val = cons (array, return_val);
}
break;
case GIMP_PDB_INT16ARRAY:
return my_err ("Arrays are currently unsupported as return values", NIL);
break;
case GIMP_PDB_INT8ARRAY:
{
LISP array;
gint j;
array = arcons (tc_byte_array, values[i].data.d_int32, 0);
for (j = 0; j < values[i].data.d_int32; j++)
{
array->storage_as.string.data[j] =
values[i + 1].data.d_int8array[j];
}
return_val = cons (array, return_val);
}
break;
case GIMP_PDB_FLOATARRAY:
{
LISP array;
gint j;
array = arcons (tc_double_array, values[i].data.d_int32, 0);
for (j = 0; j < values[i].data.d_int32; j++)
{
array->storage_as.double_array.data[j] =
values[i + 1].data.d_floatarray[j];
}
return_val = cons (array, return_val);
}
break;
case GIMP_PDB_STRINGARRAY:
/* string arrays are always implemented such that the previous
* return value contains the number of strings in the array
*/
{
gint j;
gint num_strings = values[i].data.d_int32;
LISP string_array = NIL;
gchar **array = (gchar **) values[i + 1].data.d_stringarray;
for (j = 0; j < num_strings; j++)
{
if (array[j])
{
string_len = strlen (array[j]);
string_array = cons (strcons (string_len, array[j]),
string_array);
}
else
{
string_array = cons (strcons (0, ""), string_array);
}
}
return_val = cons (nreverse (string_array), return_val);
}
break;
case GIMP_PDB_COLOR:
{
guchar r, g, b;
gimp_rgb_get_uchar (&values[i + 1].data.d_color, &r, &g, &b);
intermediate_val = cons (flocons (r),
cons (flocons (g),
cons (flocons (b),
NIL)));
return_val = cons (intermediate_val, return_val);
break;
}
case GIMP_PDB_REGION:
return my_err ("Regions are currently unsupported as return values", NIL);
break;
case GIMP_PDB_DISPLAY:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_IMAGE:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_LAYER:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_CHANNEL:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_DRAWABLE:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_SELECTION:
return_val = cons (flocons (values[i + 1].data.d_int32),
return_val);
break;
case GIMP_PDB_BOUNDARY:
return my_err ("Boundaries are currently unsupported as return values", NIL);
break;
case GIMP_PDB_PATH:
return my_err ("Paths are currently unsupported as return values", NIL);
break;
case GIMP_PDB_PARASITE:
{
LISP name, flags, data;
if (values[i + 1].data.d_parasite.name == NULL)
{
return_val = my_err("Error: null parasite", NIL);
}
else
{
string_len = strlen (values[i + 1].data.d_parasite.name);
name = strcons (string_len,
values[i + 1].data.d_parasite.name);
flags = flocons (values[i + 1].data.d_parasite.flags);
data = arcons (tc_byte_array,
values[i+1].data.d_parasite.size, 0);
memcpy(data->storage_as.string.data,
values[i+1].data.d_parasite.data,
values[i+1].data.d_parasite.size);
intermediate_val = cons (name,
cons(flags, cons(data, NIL)));
return_val = cons (intermediate_val, return_val);
}
}
break;
case GIMP_PDB_STATUS:
return my_err ("Procedural database execution returned multiple status values", NIL);
break;
default:
return my_err ("Unknown return type", NIL);
}
}
break;
case GIMP_PDB_PASS_THROUGH:
case GIMP_PDB_CANCEL: /* should we do something here? */
break;
}
/* free up the executed procedure return values */
gimp_destroy_params (values, nvalues);
/* free up arguments and values */
g_free (args);
/* free the query information */
g_free (proc_blurb);
g_free (proc_help);
g_free (proc_author);
g_free (proc_copyright);
g_free (proc_date);
g_free (params);
g_free (return_vals);
/* reverse the return values */
return_val = nreverse (return_val);
#ifndef G_OS_WIN32
/* if we're in server mode, listen for additional commands for 10 ms */
if (script_fu_server_get_mode ())
script_fu_server_listen (10);
#endif
#ifdef GDK_WINDOWING_WIN32
/* This seems to help a lot on Windoze. */
while (gtk_events_pending ())
gtk_main_iteration ();
#endif
return return_val;
}
static LISP
script_fu_register_call (LISP a)
{
if (register_scripts)
return script_fu_add_script (a);
else
return NIL;
}
static LISP
script_fu_quit_call (LISP a)
{
#ifdef G_OS_WIN32
g_warning ("script_fu_server not available.");
#else
script_fu_server_quit ();
#endif
return NIL;
}
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