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eog/libeog/eog-info-view-exif.c
Lucas Rocha bbef6be219 replace GNOME_CLASS_BOILERPLATE macros in libeog with the G_DEFINE_TYPE 
2005-01-07  Lucas Rocha  <lucasr@gnome.org>

        * libeog/eog-canvas-pixbuf.c, libeog/eog-collection-item.c,
        libeog/eog-full-screen.c, libeog/eog-image-cache.c,
        libeog/eog-image-list.c, libeog/eog-image-save-info.c,
        libeog/eog-image.c, libeog/eog-info-view-detail.c,
        libeog/eog-info-view-exif.c, libeog/eog-info-view-file.c,
        libeog/eog-info-view.c, libeog/eog-job.c,
        libeog/eog-metadata-reader.c, libeog/eog-scroll-view.c,
        libeog/eog-transform.c, libeog/eog-uri-converter.c,
        libeog/eog-wrap-list.c, shell/eog-file-chooser.c,
        shell/eog-window.c: replace GNOME_CLASS_BOILERPLATE macros in
        libeog with the G_DEFINE_TYPE macros. Patch by Felix Riemann
        <felix@hsgheli.de>.
2006-01-07 04:54:57 +00:00

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#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <libgnome/gnome-macros.h>
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include "eog-info-view-exif.h"
#if HAVE_EXIF
#include <libexif/exif-entry.h>
#include <libexif/exif-utils.h>
typedef enum {
EXIF_CATEGORY_CAMERA,
EXIF_CATEGORY_IMAGE_DATA,
EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS,
EXIF_CATEGORY_MAKER_NOTE,
EXIF_CATEGORY_OTHER
} ExifCategory;
typedef struct {
char *label;
char *path;
} ExifCategoryInfo;
static ExifCategoryInfo exif_categories[] = {
{ N_("Camera"), "0" },
{ N_("Image Data"), "1" },
{ N_("Image Taking Conditions"), "2" },
{ N_("Maker Note"), "3" },
{ N_("Other"), "4" },
{ NULL, NULL }
};
typedef struct {
int id;
ExifCategory category;
} ExifTagCategory;
static ExifTagCategory exif_tag_category_map[] = {
{ EXIF_TAG_INTEROPERABILITY_INDEX, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_INTEROPERABILITY_VERSION, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_IMAGE_WIDTH, EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_IMAGE_LENGTH , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_BITS_PER_SAMPLE ,EXIF_CATEGORY_CAMERA },
{ EXIF_TAG_COMPRESSION , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_PHOTOMETRIC_INTERPRETATION , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_FILL_ORDER , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_DOCUMENT_NAME , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_IMAGE_DESCRIPTION , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_MAKE , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_MODEL , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_STRIP_OFFSETS , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_ORIENTATION , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_SAMPLES_PER_PIXEL , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_ROWS_PER_STRIP , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_STRIP_BYTE_COUNTS , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_X_RESOLUTION , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_Y_RESOLUTION , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_PLANAR_CONFIGURATION , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_RESOLUTION_UNIT , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_TRANSFER_FUNCTION , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_SOFTWARE , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_DATE_TIME , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_ARTIST , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_WHITE_POINT , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_PRIMARY_CHROMATICITIES, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_TRANSFER_RANGE , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_JPEG_PROC , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_JPEG_INTERCHANGE_FORMAT, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LENGTH, },
{ EXIF_TAG_YCBCR_COEFFICIENTS , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_YCBCR_SUB_SAMPLING , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_YCBCR_POSITIONING , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_REFERENCE_BLACK_WHITE, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_RELATED_IMAGE_FILE_FORMAT,EXIF_CATEGORY_OTHER},
{ EXIF_TAG_RELATED_IMAGE_WIDTH , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_RELATED_IMAGE_LENGTH , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_CFA_REPEAT_PATTERN_DIM, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_CFA_PATTERN , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_BATTERY_LEVEL , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_COPYRIGHT , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_EXPOSURE_TIME , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_FNUMBER , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_IPTC_NAA , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_EXIF_IFD_POINTER , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_INTER_COLOR_PROFILE , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_EXPOSURE_PROGRAM , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_SPECTRAL_SENSITIVITY , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_GPS_INFO_IFD_POINTER , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_ISO_SPEED_RATINGS , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_OECF , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_EXIF_VERSION , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_DATE_TIME_ORIGINAL , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_DATE_TIME_DIGITIZED , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_COMPONENTS_CONFIGURATION , EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_COMPRESSED_BITS_PER_PIXEL, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_SHUTTER_SPEED_VALUE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_APERTURE_VALUE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_BRIGHTNESS_VALUE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_EXPOSURE_BIAS_VALUE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_MAX_APERTURE_VALUE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_SUBJECT_DISTANCE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_METERING_MODE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_LIGHT_SOURCE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_FLASH , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_FOCAL_LENGTH , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_SUBJECT_AREA , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_MAKER_NOTE , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_USER_COMMENT , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_SUBSEC_TIME , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_SUB_SEC_TIME_ORIGINAL, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_SUB_SEC_TIME_DIGITIZED, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_FLASH_PIX_VERSION , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_COLOR_SPACE , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_PIXEL_X_DIMENSION , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_PIXEL_Y_DIMENSION , EXIF_CATEGORY_IMAGE_DATA},
{ EXIF_TAG_RELATED_SOUND_FILE , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_INTEROPERABILITY_IFD_POINTER, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_FLASH_ENERGY ,EXIF_CATEGORY_OTHER },
{ EXIF_TAG_SPATIAL_FREQUENCY_RESPONSE, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_FOCAL_PLANE_X_RESOLUTION, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_FOCAL_PLANE_Y_RESOLUTION, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_FOCAL_PLANE_RESOLUTION_UNIT, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_SUBJECT_LOCATION, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_EXPOSURE_INDEX, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_SENSING_METHOD, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_FILE_SOURCE , EXIF_CATEGORY_OTHER},
{ EXIF_TAG_SCENE_TYPE, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_NEW_CFA_PATTERN, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_CUSTOM_RENDERED, EXIF_CATEGORY_OTHER},
{ EXIF_TAG_EXPOSURE_MODE, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_WHITE_BALANCE, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_DIGITAL_ZOOM_RATIO, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_FOCAL_LENGTH_IN_35MM_FILM, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_SCENE_CAPTURE_TYPE , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_GAIN_CONTROL , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_CONTRAST , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_SATURATION , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_SHARPNESS , EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_DEVICE_SETTING_DESCRIPTION, EXIF_CATEGORY_CAMERA},
{ EXIF_TAG_SUBJECT_DISTANCE_RANGE, EXIF_CATEGORY_IMAGE_TAKING_CONDITIONS},
{ EXIF_TAG_IMAGE_UNIQUE_ID , EXIF_CATEGORY_IMAGE_DATA},
{ -1, -1 }
};
#define MODEL_COLUMN_ATTRIBUTE 0
#define MODEL_COLUMN_VALUE 1
struct _EogInfoViewExifPrivate
{
GtkTreeModel *model;
GHashTable *id_path_hash; /* saves the stringified GtkTreeModel path
for a given EXIF entry id */
};
G_DEFINE_TYPE (EogInfoViewExif, eog_info_view_exif, EOG_TYPE_INFO_VIEW_DETAIL)
static char* set_row_data (GtkTreeStore *store, char *path, char *parent, const char *attribute, const char *value);
static void
eog_info_view_exif_finalize (GObject *object)
{
EogInfoViewExif *instance = EOG_INFO_VIEW_EXIF (object);
g_free (instance->priv);
instance->priv = NULL;
}
static void
eog_info_view_exif_dispose (GObject *object)
{
EogInfoViewExif *view;
EogInfoViewExifPrivate *priv;
view = EOG_INFO_VIEW_EXIF (object);
priv = view->priv;
if (priv->model) {
g_object_unref (priv->model);
priv->model = NULL;
}
if (priv->id_path_hash) {
g_hash_table_destroy (priv->id_path_hash);
priv->id_path_hash = NULL;
}
}
static void
eog_info_view_exif_init (EogInfoViewExif *view)
{
EogInfoViewExifPrivate *priv;
GtkTreeViewColumn *column;
GtkCellRenderer *cell;
int i;
priv = g_new0 (EogInfoViewExifPrivate, 1);
view->priv = priv;
priv->model = GTK_TREE_MODEL (gtk_tree_store_new (2, G_TYPE_STRING, G_TYPE_STRING));
priv->id_path_hash = g_hash_table_new_full (g_direct_hash, g_direct_equal, NULL, g_free);
/* tag column */
cell = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("Tag"),
cell,
"text", MODEL_COLUMN_ATTRIBUTE,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
/* value column */
cell = gtk_cell_renderer_text_new ();
column = gtk_tree_view_column_new_with_attributes (_("Value"),
cell,
"text", MODEL_COLUMN_VALUE,
NULL);
gtk_tree_view_append_column (GTK_TREE_VIEW (view), column);
gtk_tree_view_set_rules_hint (GTK_TREE_VIEW (view), TRUE);
for (i = 0; exif_categories [i].label != NULL; i++) {
char *translated_string;
translated_string = gettext (exif_categories[i].label);
set_row_data (GTK_TREE_STORE (priv->model), exif_categories[i].path, NULL,
translated_string, NULL);
}
gtk_tree_view_set_model (GTK_TREE_VIEW (view), GTK_TREE_MODEL (priv->model));
}
static void
eog_info_view_exif_class_init (EogInfoViewExifClass *klass)
{
GObjectClass *object_class = (GObjectClass*) klass;
object_class->finalize = eog_info_view_exif_finalize;
object_class->dispose = eog_info_view_exif_dispose;
}
static ExifCategory
get_exif_category (ExifEntry *entry)
{
ExifCategory cat = EXIF_CATEGORY_OTHER;
int i;
for (i = 0; exif_tag_category_map [i].id != -1; i++) {
if (exif_tag_category_map[i].id == (int) entry->tag) {
cat = exif_tag_category_map[i].category;
break;
}
}
return cat;
}
static char*
set_row_data (GtkTreeStore *store, char *path, char *parent, const char *attribute, const char *value)
{
GtkTreeIter iter;
char *utf_attribute = NULL;
char *utf_value = NULL;
gboolean iter_valid = FALSE;
if (!attribute) return NULL;
if (path != NULL) {
iter_valid = gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (store), &iter, path);
}
if (!iter_valid) {
GtkTreePath *tree_path;
GtkTreeIter parent_iter;
gboolean parent_valid = FALSE;
if (parent != NULL) {
parent_valid = gtk_tree_model_get_iter_from_string (GTK_TREE_MODEL (store), &parent_iter, parent);
}
gtk_tree_store_append (store, &iter, parent_valid ? &parent_iter : NULL);
if (path == NULL) {
tree_path = gtk_tree_model_get_path (GTK_TREE_MODEL (store), &iter);
if (tree_path != NULL) {
path = gtk_tree_path_to_string (tree_path);
gtk_tree_path_free (tree_path);
}
}
}
if (g_utf8_validate (attribute, -1, NULL)) {
utf_attribute = g_strdup (attribute);
}
else {
utf_attribute = g_locale_to_utf8 (attribute, -1, NULL, NULL, NULL);
}
gtk_tree_store_set (store, &iter, MODEL_COLUMN_ATTRIBUTE, utf_attribute, -1);
g_free (utf_attribute);
if (value != NULL) {
if (g_utf8_validate (value, -1, NULL)) {
utf_value = g_strdup (value);
}
else {
utf_value = g_locale_to_utf8 (value, -1, NULL, NULL, NULL);
}
gtk_tree_store_set (store, &iter, MODEL_COLUMN_VALUE, utf_value, -1);
g_free (utf_value);
}
return path;
}
static void
exif_entry_cb (ExifEntry *entry, gpointer data)
{
GtkTreeStore *store;
EogInfoViewExif *view;
EogInfoViewExifPrivate *priv;
ExifCategory cat;
char *path;
char b[1024];
view = EOG_INFO_VIEW_EXIF (data);
priv = view->priv;
store = GTK_TREE_STORE (gtk_tree_view_get_model (GTK_TREE_VIEW (view)));
path = g_hash_table_lookup (priv->id_path_hash, GINT_TO_POINTER (entry->tag));
if (path != NULL) {
set_row_data (store, path, NULL, exif_tag_get_name (entry->tag), exif_entry_get_value (entry, b, sizeof(b)));
}
else {
cat = get_exif_category (entry);
path = set_row_data (store, NULL, exif_categories[cat].path,
exif_tag_get_name (entry->tag), exif_entry_get_value (entry, b, sizeof(b)));
g_hash_table_insert (priv->id_path_hash,
GINT_TO_POINTER (entry->tag),
path);
}
}
static void
exif_content_cb (ExifContent *content, gpointer data)
{
exif_content_foreach_entry (content, exif_entry_cb, data);
}
static gboolean
clear_single_value (GtkTreeModel *model, GtkTreePath *path, GtkTreeIter *iter, gpointer data)
{
gtk_tree_store_set (GTK_TREE_STORE (model), iter, MODEL_COLUMN_VALUE, " ", -1);
return FALSE;
}
void
eog_info_view_exif_show_data (EogInfoViewExif *view, ExifData *data)
{
EogInfoViewExifPrivate *priv;
g_return_if_fail (EOG_IS_INFO_VIEW_EXIF (view));
priv = view->priv;
if (data == NULL) {
gtk_tree_model_foreach (GTK_TREE_MODEL (priv->model), clear_single_value, NULL);
}
else {
exif_data_foreach_content (data, exif_content_cb, view);
}
}
#endif /* HAVE_EXIF */
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