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gimp/plug-ins/common/metadata.c

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/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* metadata.c
* Copyright (C) 2013 Hartmut Kuhse
*
* 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 <gegl.h>
#include <gtk/gtk.h>
#include <gexiv2/gexiv2.h>
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#define PLUG_IN_PROC "plug-in-metadata-editor"
#define PLUG_IN_BINARY "metadata"
#define PLUG_IN_ROLE "gimp-metadata"
#define EXIF_PREFIX "Exif."
#define IPTC_PREFIX "Iptc."
#define XMP_PREFIX "Xmp."
enum
{
C_XMP_TAG = 0,
C_XMP_VALUE,
NUM_XMP_COLS
};
enum
{
C_EXIF_TAG = 0,
C_EXIF_VALUE,
NUM_EXIF_COLS
};
typedef struct
{
gchar *tag;
gchar *mode;
} iptc_tag;
/* local function prototypes */
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gboolean metadata_dialog (gint32 image_id,
GExiv2Metadata *metadata);
static void metadata_dialog_set_metadata (GExiv2Metadata *metadata,
GtkBuilder *builder);
static void metadata_dialog_iptc_callback (GtkWidget *dialog,
GtkBuilder *builder);
/* local variables */
const GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
static const iptc_tag const iptc_tags[] =
{
{ "Iptc.Application2.Byline", "single" },
{ "Iptc.Application2.BylineTitle", "single" },
{ "Iptc.Application2.Caption", "multi" },
{ "Iptc.Application2.Category", "single" },
{ "Iptc.Application2.City", "single" },
{ "Iptc.Application2.Copyright", "single" },
{ "Iptc.Application2.CountryName", "single" },
{ "Iptc.Application2.Credit", "single" },
{ "Iptc.Application2.Headline", "multi" },
{ "Iptc.Application2.Keywords", "multi" },
{ "Iptc.Application2.ObjectName", "single" },
{ "Iptc.Application2.ProvinceState", "single" },
{ "Iptc.Application2.Source", "single" },
{ "Iptc.Application2.SpecialInstructions", "multi" },
{ "Iptc.Application2.SubLocation", "single" },
{ "Iptc.Application2.SuppCategory", "multi" },
{ "Iptc.Application2.TransmissionReference", "single" },
{ "Iptc.Application2.Urgency", "single" },
{ "Iptc.Application2.Writer", "single" }
};
/* functions */
MAIN ()
static void
query (void)
{
static const GimpParamDef metadata_args[] =
{
{ GIMP_PDB_INT32, "run-mode", "Run mode { RUN-INTERACTIVE (0) }" },
{ GIMP_PDB_IMAGE, "image", "Input image" }
};
gimp_install_procedure (PLUG_IN_PROC,
N_("View and edit metadata (Exif, IPTC, XMP)"),
"View and edit metadata information attached to the "
"current image. This can include Exif, IPTC and/or "
"XMP information. Some or all of this metadata "
"will be saved in the file, depending on the output "
"file format.",
"Hartmut Kuhse, Michael Natterer",
"Hartmut Kuhse, Michael Natterer",
"2013",
N_("Image Metadata"),
"*",
GIMP_PLUGIN,
G_N_ELEMENTS (metadata_args), 0,
metadata_args, NULL);
gimp_plugin_menu_register (PLUG_IN_PROC, "<Image>/Image");
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
static GimpParam values[1];
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = GIMP_PDB_EXECUTION_ERROR;
INIT_I18N();
gimp_ui_init (PLUG_IN_BINARY, TRUE);
if (! strcmp (name, PLUG_IN_PROC))
{
GimpMetadata *metadata;
gint32 image_ID = param[1].data.d_image;
metadata = gimp_image_get_metadata (image_ID);
if (metadata)
{
metadata_dialog (image_ID, metadata);
}
else
{
g_message (_("This image has no metadata attached to it."));
}
status = GIMP_PDB_SUCCESS;
}
else
{
status = GIMP_PDB_CALLING_ERROR;
}
values[0].data.d_status = status;
}
static gboolean
metadata_dialog (gint32 image_id,
GExiv2Metadata *metadata)
{
GtkBuilder *builder;
GtkWidget *dialog;
GtkWidget *metadata_vbox;
GtkWidget *content_area;
GObject *write_button;
gchar *ui_file;
gchar *title;
gchar *fname;
GError *error = NULL;
builder = gtk_builder_new ();
ui_file = g_build_filename (gimp_data_directory (),
"ui", "plug-ins", "plug-in-metadata.ui", NULL);
if (! gtk_builder_add_from_file (builder, ui_file, &error))
{
g_printerr ("Error occured while loading UI file!\n");
g_printerr ("Message: %s\n", error->message);
g_clear_error (&error);
g_free (ui_file);
g_object_unref (builder);
return FALSE;
}
g_free (ui_file);
fname = g_filename_display_basename (gimp_image_get_uri (image_id));
title = g_strdup_printf ("Metadata: %s", fname);
g_free (fname);
dialog = gimp_dialog_new (title,
"gimp-metadata-dialog",
NULL, 0,
gimp_standard_help_func, PLUG_IN_PROC,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
g_free (title);
gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
GTK_RESPONSE_CLOSE,
-1);
content_area = gtk_dialog_get_content_area (GTK_DIALOG (dialog));
metadata_vbox = GTK_WIDGET (gtk_builder_get_object (builder,
"metadata-vbox"));
gtk_container_set_border_width (GTK_CONTAINER (metadata_vbox), 12);
gtk_box_pack_start (GTK_BOX (content_area), metadata_vbox, TRUE, TRUE, 0);
write_button = gtk_builder_get_object (builder, "iptc-write-button");
g_signal_connect (write_button, "clicked",
G_CALLBACK (metadata_dialog_iptc_callback),
builder);
metadata_dialog_set_metadata (metadata, builder);
gtk_dialog_run (GTK_DIALOG (dialog));
return TRUE;
}
/* private functions */
static void
metadata_dialog_set_metadata (GExiv2Metadata *metadata,
GtkBuilder *builder)
{
GtkListStore *exif_store;
GtkListStore *xmp_store;
gchar **exif_data;
gchar **iptc_data;
gchar **xmp_data;
gchar *value;
gchar *value_utf;
GtkTreeIter iter;
gint i;
exif_store = GTK_LIST_STORE (gtk_builder_get_object (builder,
"exif-liststore"));
xmp_store = GTK_LIST_STORE (gtk_builder_get_object (builder,
"xmp-liststore"));
exif_data = gexiv2_metadata_get_exif_tags (metadata);
for (i = 0; exif_data[i] != NULL; i++)
{
gtk_list_store_append (exif_store, &iter);
value = gexiv2_metadata_get_tag_interpreted_string (metadata,
exif_data[i]);
value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
gtk_list_store_set (exif_store, &iter,
C_EXIF_TAG, exif_data[i],
C_EXIF_VALUE, value_utf,
-1);
}
xmp_data = gexiv2_metadata_get_xmp_tags (metadata);
for (i = 0; xmp_data[i] != NULL; i++)
{
gtk_list_store_append (xmp_store, &iter);
value = gexiv2_metadata_get_tag_interpreted_string (metadata,
xmp_data[i]);
value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
gtk_list_store_set (xmp_store, &iter,
C_XMP_TAG, xmp_data[i],
C_XMP_VALUE, value_utf,
-1);
}
iptc_data = gexiv2_metadata_get_iptc_tags (metadata);
for (i = 0; iptc_data[i] != NULL; i++)
{
GtkWidget *widget;
widget = GTK_WIDGET (gtk_builder_get_object (builder, iptc_data[i]));
value = gexiv2_metadata_get_tag_interpreted_string (metadata,
iptc_data[i]);
value_utf = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
if (GTK_IS_ENTRY (widget))
{
GtkEntry *entry_widget = GTK_ENTRY (widget);
gtk_entry_set_text (entry_widget, value_utf);
}
else if (GTK_IS_TEXT_VIEW (widget))
{
GtkTextView *text_view = GTK_TEXT_VIEW (widget);
GtkTextBuffer *buffer;
buffer = gtk_text_view_get_buffer (text_view);
gtk_text_buffer_set_text (buffer, value_utf, -1);
}
}
}
static void
metadata_dialog_iptc_callback (GtkWidget *dialog,
GtkBuilder *builder)
{
#if 0
GExiv2Metadata *metadata;
gint i;
metadata = gimp_image_get_metadata (handler->image);
for (i = 0; i < G_N_ELEMENTS (iptc_tags); i++)
{
GObject *object = gtk_builder_get_object (handler->builder,
iptc_tags[i].tag);
if (! strcmp ("single", iptc_tags[i].mode))
{
GtkEntry *entry = GTK_ENTRY (object);
gexiv2_metadata_set_tag_string (metadata, iptc_tags[i].tag,
gtk_entry_get_text (entry));
}
else if (!strcmp ("multi", iptc_tags[i].mode))
{
GtkTextView *text_view = GTK_TEXT_VIEW (object);
GtkTextBuffer *buffer;
GtkTextIter start;
GtkTextIter end;
gchar *text;
buffer = gtk_text_view_get_buffer (text_view);
gtk_text_buffer_get_start_iter (buffer, &start);
gtk_text_buffer_get_end_iter (buffer, &end);
text = gtk_text_buffer_get_text (buffer, &start, &end, TRUE);
gexiv2_metadata_set_tag_string (metadata, iptc_tags[i].tag, text);
g_free (text);
}
}
#endif
}
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