diff options
Diffstat (limited to 'app/core/gimp-batch.c')
| -rw-r--r-- | app/core/gimp-batch.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/app/core/gimp-batch.c b/app/core/gimp-batch.c new file mode 100644 index 0000000..e7908a2 --- /dev/null +++ b/app/core/gimp-batch.c @@ -0,0 +1,203 @@ +/* GIMP - The GNU 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 3 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, see <https://www.gnu.org/licenses/>. + */ + +#include "config.h" + +#include <string.h> +#include <stdlib.h> + +#include <gdk-pixbuf/gdk-pixbuf.h> +#include <gegl.h> + +#include "libgimpbase/gimpbase.h" + +#include "core-types.h" + +#include "gimp.h" +#include "gimp-batch.h" +#include "gimpparamspecs.h" + +#include "pdb/gimppdb.h" +#include "pdb/gimpprocedure.h" + +#include "gimp-intl.h" + + +#define BATCH_DEFAULT_EVAL_PROC "plug-in-script-fu-eval" + + +static void gimp_batch_exit_after_callback (Gimp *gimp) G_GNUC_NORETURN; + +static void gimp_batch_run_cmd (Gimp *gimp, + const gchar *proc_name, + GimpProcedure *procedure, + GimpRunMode run_mode, + const gchar *cmd); + + +void +gimp_batch_run (Gimp *gimp, + const gchar *batch_interpreter, + const gchar **batch_commands) +{ + gulong exit_id; + + if (! batch_commands || ! batch_commands[0]) + return; + + exit_id = g_signal_connect_after (gimp, "exit", + G_CALLBACK (gimp_batch_exit_after_callback), + NULL); + + if (! batch_interpreter) + { + batch_interpreter = g_getenv ("GIMP_BATCH_INTERPRETER"); + + if (! batch_interpreter) + { + batch_interpreter = BATCH_DEFAULT_EVAL_PROC; + + if (gimp->be_verbose) + g_printerr ("No batch interpreter specified, using the default " + "'%s'.\n", batch_interpreter); + } + } + + /* script-fu text console, hardcoded for backward compatibility */ + + if (strcmp (batch_interpreter, "plug-in-script-fu-eval") == 0 && + strcmp (batch_commands[0], "-") == 0) + { + const gchar *proc_name = "plug-in-script-fu-text-console"; + GimpProcedure *procedure = gimp_pdb_lookup_procedure (gimp->pdb, + proc_name); + + if (procedure) + gimp_batch_run_cmd (gimp, proc_name, procedure, + GIMP_RUN_NONINTERACTIVE, NULL); + else + g_message (_("The batch interpreter '%s' is not available. " + "Batch mode disabled."), proc_name); + } + else + { + GimpProcedure *eval_proc = gimp_pdb_lookup_procedure (gimp->pdb, + batch_interpreter); + + if (eval_proc) + { + gint i; + + for (i = 0; batch_commands[i]; i++) + gimp_batch_run_cmd (gimp, batch_interpreter, eval_proc, + GIMP_RUN_NONINTERACTIVE, batch_commands[i]); + } + else + { + g_message (_("The batch interpreter '%s' is not available. " + "Batch mode disabled."), batch_interpreter); + } + } + + g_signal_handler_disconnect (gimp, exit_id); +} + + +/* + * The purpose of this handler is to exit GIMP cleanly when the batch + * procedure calls the gimp-exit procedure. Without this callback, the + * message "batch command experienced an execution error" would appear + * and gimp would hang forever. + */ +static void +gimp_batch_exit_after_callback (Gimp *gimp) +{ + if (gimp->be_verbose) + g_print ("EXIT: %s\n", G_STRFUNC); + + gegl_exit (); + + exit (EXIT_SUCCESS); +} + +static void +gimp_batch_run_cmd (Gimp *gimp, + const gchar *proc_name, + GimpProcedure *procedure, + GimpRunMode run_mode, + const gchar *cmd) +{ + GimpValueArray *args; + GimpValueArray *return_vals; + GError *error = NULL; + gint i = 0; + + args = gimp_procedure_get_arguments (procedure); + + if (procedure->num_args > i && + GIMP_IS_PARAM_SPEC_INT32 (procedure->args[i])) + g_value_set_int (gimp_value_array_index (args, i++), run_mode); + + if (procedure->num_args > i && + GIMP_IS_PARAM_SPEC_STRING (procedure->args[i])) + g_value_set_static_string (gimp_value_array_index (args, i++), cmd); + + return_vals = + gimp_pdb_execute_procedure_by_name_args (gimp->pdb, + gimp_get_user_context (gimp), + NULL, &error, + proc_name, args); + + switch (g_value_get_enum (gimp_value_array_index (return_vals, 0))) + { + case GIMP_PDB_EXECUTION_ERROR: + if (error) + { + g_printerr ("batch command experienced an execution error:\n" + "%s\n", error->message); + } + else + { + g_printerr ("batch command experienced an execution error\n"); + } + break; + + case GIMP_PDB_CALLING_ERROR: + if (error) + { + g_printerr ("batch command experienced a calling error:\n" + "%s\n", error->message); + } + else + { + g_printerr ("batch command experienced a calling error\n"); + } + break; + + case GIMP_PDB_SUCCESS: + g_printerr ("batch command executed successfully\n"); + break; + } + + gimp_value_array_unref (return_vals); + gimp_value_array_unref (args); + + if (error) + g_error_free (error); + + return; +} |