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-rw-r--r--app/core/gimp-batch.c203
1 files changed, 203 insertions, 0 deletions
diff --git a/app/core/gimp-batch.c b/app/core/gimp-batch.c
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+/* 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;
+}