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gimp/app/plug-in/gimppluginprocedure.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimppluginprocedure.c
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gdk-pixbuf/gdk-pixbuf.h>
#include "libgimpbase/gimpbase.h"
#include "plug-in-types.h"
#include "core/gimp.h"
#include "core/gimp-utils.h"
#include "core/gimpdrawable.h"
#include "core/gimpmarshal.h"
#include "core/gimpparamspecs.h"
#define __YES_I_NEED_GIMP_PLUG_IN_MANAGER_CALL__
#include "gimppluginmanager-call.h"
#include "gimppluginerror.h"
#include "gimppluginprocedure.h"
#include "plug-in-menu-path.h"
#include "gimp-intl.h"
enum
{
MENU_PATH_ADDED,
LAST_SIGNAL
};
static void gimp_plug_in_procedure_finalize (GObject *object);
static gint64 gimp_plug_in_procedure_get_memsize (GimpObject *object,
gint64 *gui_size);
static GValueArray * gimp_plug_in_procedure_execute (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *args,
GError **error);
static void gimp_plug_in_procedure_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *args,
GimpObject *display);
const gchar * gimp_plug_in_procedure_real_get_progname (const GimpPlugInProcedure *procedure);
G_DEFINE_TYPE (GimpPlugInProcedure, gimp_plug_in_procedure,
GIMP_TYPE_PROCEDURE)
#define parent_class gimp_plug_in_procedure_parent_class
static guint gimp_plug_in_procedure_signals[LAST_SIGNAL] = { 0 };
static void
gimp_plug_in_procedure_class_init (GimpPlugInProcedureClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
GimpObjectClass *gimp_object_class = GIMP_OBJECT_CLASS (klass);
GimpProcedureClass *proc_class = GIMP_PROCEDURE_CLASS (klass);
gimp_plug_in_procedure_signals[MENU_PATH_ADDED] =
g_signal_new ("menu-path-added",
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GimpPlugInProcedureClass, menu_path_added),
NULL, NULL,
gimp_marshal_VOID__STRING,
G_TYPE_NONE, 1,
G_TYPE_STRING);
object_class->finalize = gimp_plug_in_procedure_finalize;
gimp_object_class->get_memsize = gimp_plug_in_procedure_get_memsize;
proc_class->execute = gimp_plug_in_procedure_execute;
proc_class->execute_async = gimp_plug_in_procedure_execute_async;
klass->get_progname = gimp_plug_in_procedure_real_get_progname;
klass->menu_path_added = NULL;
}
static void
gimp_plug_in_procedure_init (GimpPlugInProcedure *proc)
{
GIMP_PROCEDURE (proc)->proc_type = GIMP_PLUGIN;
proc->label = NULL;
proc->icon_data_length = -1;
}
static void
gimp_plug_in_procedure_finalize (GObject *object)
{
GimpPlugInProcedure *proc = GIMP_PLUG_IN_PROCEDURE (object);
g_free (proc->prog);
g_free (proc->menu_label);
g_list_foreach (proc->menu_paths, (GFunc) g_free, NULL);
g_list_free (proc->menu_paths);
g_free (proc->label);
g_free (proc->icon_data);
g_free (proc->image_types);
g_free (proc->extensions);
g_free (proc->prefixes);
g_free (proc->magics);
g_free (proc->mime_type);
g_slist_foreach (proc->extensions_list, (GFunc) g_free, NULL);
g_slist_free (proc->extensions_list);
g_slist_foreach (proc->prefixes_list, (GFunc) g_free, NULL);
g_slist_free (proc->prefixes_list);
g_slist_foreach (proc->magics_list, (GFunc) g_free, NULL);
g_slist_free (proc->magics_list);
g_free (proc->thumb_loader);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
static gint64
gimp_plug_in_procedure_get_memsize (GimpObject *object,
gint64 *gui_size)
{
GimpPlugInProcedure *proc = GIMP_PLUG_IN_PROCEDURE (object);
gint64 memsize = 0;
GList *list;
GSList *slist;
memsize += gimp_string_get_memsize (proc->prog);
memsize += gimp_string_get_memsize (proc->menu_label);
for (list = proc->menu_paths; list; list = g_list_next (list))
memsize += sizeof (GList) + gimp_string_get_memsize (list->data);
switch (proc->icon_type)
{
case GIMP_ICON_TYPE_STOCK_ID:
case GIMP_ICON_TYPE_IMAGE_FILE:
memsize += gimp_string_get_memsize ((const gchar *) proc->icon_data);
break;
case GIMP_ICON_TYPE_INLINE_PIXBUF:
memsize += proc->icon_data_length;
break;
}
memsize += gimp_string_get_memsize (proc->extensions);
memsize += gimp_string_get_memsize (proc->prefixes);
memsize += gimp_string_get_memsize (proc->magics);
memsize += gimp_string_get_memsize (proc->mime_type);
memsize += gimp_string_get_memsize (proc->thumb_loader);
for (slist = proc->extensions_list; slist; slist = g_slist_next (slist))
memsize += sizeof (GSList) + gimp_string_get_memsize (slist->data);
for (slist = proc->prefixes_list; slist; slist = g_slist_next (slist))
memsize += sizeof (GSList) + gimp_string_get_memsize (slist->data);
for (slist = proc->magics_list; slist; slist = g_slist_next (slist))
memsize += sizeof (GSList) + gimp_string_get_memsize (slist->data);
return memsize + GIMP_OBJECT_CLASS (parent_class)->get_memsize (object,
gui_size);
}
static GValueArray *
gimp_plug_in_procedure_execute (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *args,
GError **error)
{
if (procedure->proc_type == GIMP_INTERNAL)
return GIMP_PROCEDURE_CLASS (parent_class)->execute (procedure, gimp,
context, progress,
args, error);
return gimp_plug_in_manager_call_run (gimp->plug_in_manager,
context, progress,
GIMP_PLUG_IN_PROCEDURE (procedure),
args, TRUE, NULL);
}
static void
gimp_plug_in_procedure_execute_async (GimpProcedure *procedure,
Gimp *gimp,
GimpContext *context,
GimpProgress *progress,
GValueArray *args,
GimpObject *display)
{
GimpPlugInProcedure *plug_in_procedure = GIMP_PLUG_IN_PROCEDURE (procedure);
GValueArray *return_vals;
return_vals = gimp_plug_in_manager_call_run (gimp->plug_in_manager,
context, progress,
plug_in_procedure,
args, FALSE, display);
if (return_vals)
{
gimp_plug_in_procedure_handle_return_values (plug_in_procedure,
gimp, progress,
return_vals);
g_value_array_free (return_vals);
}
}
const gchar *
gimp_plug_in_procedure_real_get_progname (const GimpPlugInProcedure *procedure)
{
return procedure->prog;
}
/* public functions */
GimpProcedure *
gimp_plug_in_procedure_new (GimpPDBProcType proc_type,
const gchar *prog)
{
GimpPlugInProcedure *proc;
g_return_val_if_fail (proc_type == GIMP_PLUGIN ||
proc_type == GIMP_EXTENSION, NULL);
g_return_val_if_fail (prog != NULL, NULL);
proc = g_object_new (GIMP_TYPE_PLUG_IN_PROCEDURE, NULL);
proc->prog = g_strdup (prog);
GIMP_PROCEDURE (proc)->proc_type = proc_type;
return GIMP_PROCEDURE (proc);
}
GimpPlugInProcedure *
gimp_plug_in_procedure_find (GSList *list,
const gchar *proc_name)
{
GSList *l;
for (l = list; l; l = g_slist_next (l))
{
GimpObject *object = l->data;
if (! strcmp (proc_name, object->name))
return GIMP_PLUG_IN_PROCEDURE (object);
}
return NULL;
}
const gchar *
gimp_plug_in_procedure_get_progname (const GimpPlugInProcedure *proc)
{
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
return GIMP_PLUG_IN_PROCEDURE_GET_CLASS (proc)->get_progname (proc);
}
void
gimp_plug_in_procedure_set_locale_domain (GimpPlugInProcedure *proc,
const gchar *locale_domain)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
proc->locale_domain = locale_domain ? g_quark_from_string (locale_domain) : 0;
}
const gchar *
gimp_plug_in_procedure_get_locale_domain (const GimpPlugInProcedure *proc)
{
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
return g_quark_to_string (proc->locale_domain);
}
void
gimp_plug_in_procedure_set_help_domain (GimpPlugInProcedure *proc,
const gchar *help_domain)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
proc->help_domain = help_domain ? g_quark_from_string (help_domain) : 0;
}
const gchar *
gimp_plug_in_procedure_get_help_domain (const GimpPlugInProcedure *proc)
{
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
return g_quark_to_string (proc->help_domain);
}
gboolean
gimp_plug_in_procedure_add_menu_path (GimpPlugInProcedure *proc,
const gchar *menu_path,
GError **error)
{
GimpProcedure *procedure;
gchar *basename = NULL;
const gchar *required = NULL;
gchar *p;
gchar *mapped_path;
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), FALSE);
g_return_val_if_fail (menu_path != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
procedure = GIMP_PROCEDURE (proc);
p = strchr (menu_path, '>');
if (p == NULL || (*(++p) && *p != '/'))
{
basename = g_filename_display_basename (proc->prog);
g_set_error (error, GIMP_PLUG_IN_ERROR, GIMP_PLUG_IN_FAILED,
"Plug-In \"%s\"\n(%s)\n"
"attempted to install procedure \"%s\"\n"
"in the invalid menu location \"%s\".\n"
"The menu path must look like either \"<Prefix>\" "
"or \"<Prefix>/path/to/item\".",
basename, gimp_filename_to_utf8 (proc->prog),
GIMP_OBJECT (proc)->name,
menu_path);
goto failure;
}
if (g_str_has_prefix (menu_path, "<Toolbox>") ||
g_str_has_prefix (menu_path, "<Image>"))
{
if ((procedure->num_args < 1) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]))
{
required = "INT32";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Layers>"))
{
if ((procedure->num_args < 3) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]) ||
! (G_TYPE_FROM_INSTANCE (procedure->args[2])
== GIMP_TYPE_PARAM_LAYER_ID ||
G_TYPE_FROM_INSTANCE (procedure->args[2])
== GIMP_TYPE_PARAM_DRAWABLE_ID))
{
required = "INT32, IMAGE, (LAYER | DRAWABLE)";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Channels>"))
{
if ((procedure->num_args < 3) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]) ||
! (G_TYPE_FROM_INSTANCE (procedure->args[2])
== GIMP_TYPE_PARAM_CHANNEL_ID ||
G_TYPE_FROM_INSTANCE (procedure->args[2])
== GIMP_TYPE_PARAM_DRAWABLE_ID))
{
required = "INT32, IMAGE, (CHANNEL | DRAWABLE)";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Vectors>"))
{
if ((procedure->num_args < 3) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]) ||
! GIMP_IS_PARAM_SPEC_VECTORS_ID (procedure->args[2]))
{
required = "INT32, IMAGE, VECTORS";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Colormap>"))
{
if ((procedure->num_args < 2) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]))
{
required = "INT32, IMAGE";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Load>"))
{
if ((procedure->num_args < 3) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
! G_IS_PARAM_SPEC_STRING (procedure->args[1]) ||
! G_IS_PARAM_SPEC_STRING (procedure->args[2]))
{
required = "INT32, STRING, STRING";
goto failure;
}
if ((procedure->num_values < 1) ||
! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->values[0]))
{
required = "IMAGE";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Save>"))
{
if ((procedure->num_args < 5) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]) ||
! GIMP_IS_PARAM_SPEC_IMAGE_ID (procedure->args[1]) ||
! GIMP_IS_PARAM_SPEC_DRAWABLE_ID (procedure->args[2]) ||
! G_IS_PARAM_SPEC_STRING (procedure->args[3]) ||
! G_IS_PARAM_SPEC_STRING (procedure->args[4]))
{
required = "INT32, IMAGE, DRAWABLE, STRING, STRING";
goto failure;
}
}
else if (g_str_has_prefix (menu_path, "<Brushes>") ||
g_str_has_prefix (menu_path, "<Gradients>") ||
g_str_has_prefix (menu_path, "<Palettes>") ||
g_str_has_prefix (menu_path, "<Patterns>") ||
g_str_has_prefix (menu_path, "<Fonts>") ||
g_str_has_prefix (menu_path, "<Buffers>"))
{
if ((procedure->num_args < 1) ||
! GIMP_IS_PARAM_SPEC_INT32 (procedure->args[0]))
{
required = "INT32";
goto failure;
}
}
else
{
basename = g_filename_display_basename (proc->prog);
g_set_error (error, GIMP_PLUG_IN_ERROR, GIMP_PLUG_IN_FAILED,
"Plug-In \"%s\"\n(%s)\n"
"attempted to install procedure \"%s\" "
"in the invalid menu location \"%s\".\n"
"Use either \"<Toolbox>\", \"<Image>\", "
"\"<Layers>\", \"<Channels>\", \"<Vectors>\", "
"\"<Colormap>\", \"<Load>\", \"<Save>\", "
"\"<Brushes>\", \"<Gradients>\", \"<Palettes>\", "
"\"<Patterns>\" or \"<Buffers>\".",
basename, gimp_filename_to_utf8 (proc->prog),
GIMP_OBJECT (proc)->name,
menu_path);
goto failure;
}
g_free (basename);
mapped_path = plug_in_menu_path_map (menu_path, NULL);
proc->menu_paths = g_list_append (proc->menu_paths, mapped_path);
g_signal_emit (proc, gimp_plug_in_procedure_signals[MENU_PATH_ADDED], 0,
mapped_path);
return TRUE;
failure:
if (required)
{
gchar *prefix = g_strdup (menu_path);
p = strchr (prefix, '>') + 1;
*p = '\0';
basename = g_filename_display_basename (proc->prog);
g_set_error (error, GIMP_PLUG_IN_ERROR, GIMP_PLUG_IN_FAILED,
"Plug-In \"%s\"\n(%s)\n\n"
"attempted to install %s procedure \"%s\" "
"which does not take the standard %s Plug-In "
"arguments: (%s).",
basename, gimp_filename_to_utf8 (proc->prog),
prefix, GIMP_OBJECT (proc)->name, prefix,
required);
g_free (prefix);
}
g_free (basename);
return FALSE;
}
const gchar *
gimp_plug_in_procedure_get_label (GimpPlugInProcedure *proc)
{
const gchar *path;
gchar *stripped;
gchar *ellipsis;
gchar *label;
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
if (proc->label)
return proc->label;
if (proc->menu_label)
path = dgettext (gimp_plug_in_procedure_get_locale_domain (proc),
proc->menu_label);
else if (proc->menu_paths)
path = dgettext (gimp_plug_in_procedure_get_locale_domain (proc),
proc->menu_paths->data);
else
return NULL;
stripped = gimp_strip_uline (path);
if (proc->menu_label)
label = g_strdup (stripped);
else
label = g_path_get_basename (stripped);
g_free (stripped);
ellipsis = strstr (label, "...");
if (! ellipsis)
ellipsis = strstr (label, "\342\200\246" /* U+2026 HORIZONTAL ELLIPSIS */);
if (ellipsis && ellipsis == (label + strlen (label) - 3))
*ellipsis = '\0';
proc->label = label;
return proc->label;
}
const gchar *
gimp_plug_in_procedure_get_blurb (const GimpPlugInProcedure *proc)
{
GimpProcedure *procedure;
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
procedure = GIMP_PROCEDURE (proc);
/* do not to pass the empty string to gettext() */
if (procedure->blurb && strlen (procedure->blurb))
return dgettext (gimp_plug_in_procedure_get_locale_domain (proc),
procedure->blurb);
return NULL;
}
void
gimp_plug_in_procedure_set_icon (GimpPlugInProcedure *proc,
GimpIconType icon_type,
const guint8 *icon_data,
gint icon_data_length)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
g_return_if_fail (icon_type == -1 || icon_data != NULL);
g_return_if_fail (icon_type == -1 || icon_data_length > 0);
if (proc->icon_data)
{
g_free (proc->icon_data);
proc->icon_data_length = -1;
proc->icon_data = NULL;
}
proc->icon_type = icon_type;
switch (proc->icon_type)
{
case GIMP_ICON_TYPE_STOCK_ID:
case GIMP_ICON_TYPE_IMAGE_FILE:
proc->icon_data_length = -1;
proc->icon_data = (guint8 *) g_strdup ((gchar *) icon_data);
break;
case GIMP_ICON_TYPE_INLINE_PIXBUF:
proc->icon_data_length = icon_data_length;
proc->icon_data = g_memdup (icon_data, icon_data_length);
break;
}
}
const gchar *
gimp_plug_in_procedure_get_stock_id (const GimpPlugInProcedure *proc)
{
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
switch (proc->icon_type)
{
case GIMP_ICON_TYPE_STOCK_ID:
return (gchar *) proc->icon_data;
default:
return NULL;
}
}
GdkPixbuf *
gimp_plug_in_procedure_get_pixbuf (const GimpPlugInProcedure *proc)
{
GdkPixbuf *pixbuf = NULL;
GError *error = NULL;
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
switch (proc->icon_type)
{
case GIMP_ICON_TYPE_INLINE_PIXBUF:
pixbuf = gdk_pixbuf_new_from_inline (proc->icon_data_length,
proc->icon_data, TRUE, &error);
break;
case GIMP_ICON_TYPE_IMAGE_FILE:
pixbuf = gdk_pixbuf_new_from_file ((gchar *) proc->icon_data,
&error);
break;
default:
break;
}
if (! pixbuf && error)
{
g_printerr ("%s\n", error->message);
g_clear_error (&error);
}
return pixbuf;
}
gchar *
gimp_plug_in_procedure_get_help_id (const GimpPlugInProcedure *proc)
{
const gchar *domain;
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), NULL);
domain = gimp_plug_in_procedure_get_help_domain (proc);
if (domain)
return g_strconcat (domain, "?", GIMP_OBJECT (proc)->name, NULL);
return g_strdup (GIMP_OBJECT (proc)->name);
}
gboolean
gimp_plug_in_procedure_get_sensitive (const GimpPlugInProcedure *proc,
GimpDrawable *drawable)
{
GimpImageType image_type = -1;
gboolean sensitive = FALSE;
g_return_val_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc), FALSE);
g_return_val_if_fail (drawable == NULL || GIMP_IS_DRAWABLE (drawable), FALSE);
if (drawable)
image_type = gimp_drawable_type (drawable);
switch (image_type)
{
case GIMP_RGB_IMAGE:
sensitive = proc->image_types_val & GIMP_PLUG_IN_RGB_IMAGE;
break;
case GIMP_RGBA_IMAGE:
sensitive = proc->image_types_val & GIMP_PLUG_IN_RGBA_IMAGE;
break;
case GIMP_GRAY_IMAGE:
sensitive = proc->image_types_val & GIMP_PLUG_IN_GRAY_IMAGE;
break;
case GIMP_GRAYA_IMAGE:
sensitive = proc->image_types_val & GIMP_PLUG_IN_GRAYA_IMAGE;
break;
case GIMP_INDEXED_IMAGE:
sensitive = proc->image_types_val & GIMP_PLUG_IN_INDEXED_IMAGE;
break;
case GIMP_INDEXEDA_IMAGE:
sensitive = proc->image_types_val & GIMP_PLUG_IN_INDEXEDA_IMAGE;
break;
default:
break;
}
return sensitive ? TRUE : FALSE;
}
static GimpPlugInImageType
image_types_parse (const gchar *name,
const gchar *image_types)
{
const gchar *type_spec = image_types;
GimpPlugInImageType types = 0;
/* If the plug_in registers with image_type == NULL or "", return 0
* By doing so it won't be touched by plug_in_set_menu_sensitivity()
*/
if (! image_types)
return types;
while (*image_types)
{
while (*image_types &&
((*image_types == ' ') ||
(*image_types == '\t') ||
(*image_types == ',')))
image_types++;
if (*image_types)
{
if (g_str_has_prefix (image_types, "RGBA"))
{
types |= GIMP_PLUG_IN_RGBA_IMAGE;
image_types += strlen ("RGBA");
}
else if (g_str_has_prefix (image_types, "RGB*"))
{
types |= GIMP_PLUG_IN_RGB_IMAGE | GIMP_PLUG_IN_RGBA_IMAGE;
image_types += strlen ("RGB*");
}
else if (g_str_has_prefix (image_types, "RGB"))
{
types |= GIMP_PLUG_IN_RGB_IMAGE;
image_types += strlen ("RGB");
}
else if (g_str_has_prefix (image_types, "GRAYA"))
{
types |= GIMP_PLUG_IN_GRAYA_IMAGE;
image_types += strlen ("GRAYA");
}
else if (g_str_has_prefix (image_types, "GRAY*"))
{
types |= GIMP_PLUG_IN_GRAY_IMAGE | GIMP_PLUG_IN_GRAYA_IMAGE;
image_types += strlen ("GRAY*");
}
else if (g_str_has_prefix (image_types, "GRAY"))
{
types |= GIMP_PLUG_IN_GRAY_IMAGE;
image_types += strlen ("GRAY");
}
else if (g_str_has_prefix (image_types, "INDEXEDA"))
{
types |= GIMP_PLUG_IN_INDEXEDA_IMAGE;
image_types += strlen ("INDEXEDA");
}
else if (g_str_has_prefix (image_types, "INDEXED*"))
{
types |= GIMP_PLUG_IN_INDEXED_IMAGE | GIMP_PLUG_IN_INDEXEDA_IMAGE;
image_types += strlen ("INDEXED*");
}
else if (g_str_has_prefix (image_types, "INDEXED"))
{
types |= GIMP_PLUG_IN_INDEXED_IMAGE;
image_types += strlen ("INDEXED");
}
else if (g_str_has_prefix (image_types, "*"))
{
types |= (GIMP_PLUG_IN_RGB_IMAGE | GIMP_PLUG_IN_RGBA_IMAGE |
GIMP_PLUG_IN_GRAY_IMAGE | GIMP_PLUG_IN_GRAYA_IMAGE |
GIMP_PLUG_IN_INDEXED_IMAGE | GIMP_PLUG_IN_INDEXEDA_IMAGE);
image_types += strlen ("*");
}
else
{
g_printerr ("%s: image-type contains unrecognizable parts:"
"'%s'\n", name, type_spec);
while (*image_types &&
((*image_types != ' ') ||
(*image_types != '\t') ||
(*image_types != ',')))
{
image_types++;
}
}
}
}
return types;
}
void
gimp_plug_in_procedure_set_image_types (GimpPlugInProcedure *proc,
const gchar *image_types)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
if (proc->image_types)
g_free (proc->image_types);
proc->image_types = g_strdup (image_types);
proc->image_types_val = image_types_parse (gimp_object_get_name (GIMP_OBJECT (proc)),
proc->image_types);
}
static GSList *
extensions_parse (gchar *extensions)
{
GSList *list = NULL;
/* extensions can be NULL. Avoid calling strtok if it is. */
if (extensions)
{
gchar *extension;
gchar *next_token;
/* work on a copy */
extensions = g_strdup (extensions);
next_token = extensions;
extension = strtok (next_token, " \t,");
while (extension)
{
list = g_slist_prepend (list, g_strdup (extension));
extension = strtok (NULL, " \t,");
}
g_free (extensions);
}
return g_slist_reverse (list);
}
void
gimp_plug_in_procedure_set_file_proc (GimpPlugInProcedure *proc,
const gchar *extensions,
const gchar *prefixes,
const gchar *magics)
{
GSList *list;
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
proc->file_proc = TRUE;
/* extensions */
if (proc->extensions != extensions)
{
if (proc->extensions)
g_free (proc->extensions);
proc->extensions = g_strdup (extensions);
}
if (proc->extensions_list)
{
g_slist_foreach (proc->extensions_list, (GFunc) g_free, NULL);
g_slist_free (proc->extensions_list);
}
proc->extensions_list = extensions_parse (proc->extensions);
/* prefixes */
if (proc->prefixes != prefixes)
{
if (proc->prefixes)
g_free (proc->prefixes);
proc->prefixes = g_strdup (prefixes);
}
if (proc->prefixes_list)
{
g_slist_foreach (proc->prefixes_list, (GFunc) g_free, NULL);
g_slist_free (proc->prefixes_list);
}
proc->prefixes_list = extensions_parse (proc->prefixes);
/* don't allow "file:" to be registered as prefix */
for (list = proc->prefixes_list; list; list = g_slist_next (list))
{
const gchar *prefix = list->data;
if (prefix && strcmp (prefix, "file:") == 0)
{
g_free (list->data);
proc->prefixes_list = g_slist_delete_link (proc->prefixes_list, list);
break;
}
}
/* magics */
if (proc->magics != magics)
{
if (proc->magics)
g_free (proc->magics);
proc->magics = g_strdup (magics);
}
if (proc->magics_list)
{
g_slist_foreach (proc->magics_list, (GFunc) g_free, NULL);
g_slist_free (proc->magics_list);
}
proc->magics_list = extensions_parse (proc->magics);
}
void
gimp_plug_in_procedure_set_mime_type (GimpPlugInProcedure *proc,
const gchar *mime_type)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
proc->file_proc = TRUE;
if (proc->mime_type)
g_free (proc->mime_type);
proc->mime_type = g_strdup (mime_type);
}
void
gimp_plug_in_procedure_set_thumb_loader (GimpPlugInProcedure *proc,
const gchar *thumb_loader)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
proc->file_proc = TRUE;
if (proc->thumb_loader)
g_free (proc->thumb_loader);
proc->thumb_loader = g_strdup (thumb_loader);
}
void
gimp_plug_in_procedure_handle_return_values (GimpPlugInProcedure *proc,
Gimp *gimp,
GimpProgress *progress,
GValueArray *return_vals)
{
g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (proc));
g_return_if_fail (return_vals != NULL);
if (! return_vals->n_values > 0 ||
G_VALUE_TYPE (&return_vals->values[0]) != GIMP_TYPE_PDB_STATUS_TYPE)
{
return;
}
switch (g_value_get_enum (&return_vals->values[0]))
{
case GIMP_PDB_SUCCESS:
break;
case GIMP_PDB_CALLING_ERROR:
if (return_vals->n_values > 1 &&
G_VALUE_HOLDS_STRING (&return_vals->values[1]))
{
gimp_message (gimp, G_OBJECT (progress), GIMP_MESSAGE_ERROR,
_("Calling error for '%s':\n"
"%s"),
gimp_plug_in_procedure_get_label (proc),
g_value_get_string (&return_vals->values[1]));
}
break;
case GIMP_PDB_EXECUTION_ERROR:
if (return_vals->n_values > 1 &&
G_VALUE_HOLDS_STRING (&return_vals->values[1]))
{
gimp_message (gimp, G_OBJECT (progress), GIMP_MESSAGE_ERROR,
_("Execution error for '%s':\n"
"%s"),
gimp_plug_in_procedure_get_label (proc),
g_value_get_string (&return_vals->values[1]));
}
break;
}
}
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