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Copy pathmetadata.c
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429 lines (404 loc) · 13.6 KB
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/*
This file is part of darktable,
copyright (c) 2010 tobias ellinghaus.
darktable 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.
darktable 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 darktable. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common/metadata.h"
#include "common/debug.h"
#include <stdlib.h>
static void dt_metadata_set_xmp(int id, const char* key, const char* value)
{
sqlite3_stmt *stmt;
int keyid = dt_metadata_get_keyid(key);
if(keyid == -1) // unknown key
return;
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"delete from meta_data where id in (select imgid from selected_images) "
"and key = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, keyid);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
if(value != NULL && value[0] != '\0')
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"insert into meta_data (id, key, value) select imgid, ?1, ?2 from "
"selected_images", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, keyid);
DT_DEBUG_SQLITE3_BIND_TEXT(stmt, 2, value, -1, SQLITE_TRANSIENT);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
}
else
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"delete from meta_data where id = ?1 and key = ?2", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 2, keyid);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
if(value != NULL && value[0] != '\0')
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"insert into meta_data (id, key, value) values (?1, ?2, ?3)", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 2, keyid);
DT_DEBUG_SQLITE3_BIND_TEXT(stmt, 3, value, -1, SQLITE_TRANSIENT);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
}
}
static void dt_metadata_set_exif(int id, const char* key, const char* value) {} //TODO Is this useful at all?
static GList* dt_metadata_get_xmp(int id, const char* key, uint32_t* count)
{
GList *result = NULL;
sqlite3_stmt *stmt;
uint32_t local_count = 0;
int keyid = dt_metadata_get_keyid(key);
// key not found in db. Maybe it's one of our "special" keys (rating, tags and colorlabels)?
if(keyid == -1)
{
if(strncmp(key, "Xmp.xmp.Rating", 14) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select flags from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select flags from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
int stars = sqlite3_column_int(stmt, 0);
stars = (stars & 0x7) - 1;
result = g_list_append(result, GINT_TO_POINTER(stars));
}
sqlite3_finalize(stmt);
}
else if(strncmp(key, "Xmp.dc.subject", 14) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select name from tags join tagged_images on "
"tagged_images.tagid = tags.id where imgid in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select name from tags join tagged_images on "
"tagged_images.tagid = tags.id where imgid = ?1",
-1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
result = g_list_append(result,
g_strdup((char *)sqlite3_column_text(stmt, 0)));
}
sqlite3_finalize(stmt);
}
else if(strncmp(key, "Xmp.darktable.colorlabels", 25) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select color from color_labels where imgid in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select color from color_labels where imgid=?1 order by color",
-1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
result = g_list_append(result, GINT_TO_POINTER(sqlite3_column_int(stmt, 0)));
}
sqlite3_finalize(stmt);
}
if(count != NULL)
*count = local_count;
return result;
}
// So we got this far -- it has to be a generic key-value entry from meta_data
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select value from meta_data where id in "
"(select imgid from selected_images) and key = ?1 order by value",
-1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, keyid);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select value from meta_data where id = ?1 and key = ?2 order by value",
-1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 2, keyid);
}
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
result = g_list_append(result, g_strdup((char *)sqlite3_column_text(stmt, 0)));
}
sqlite3_finalize(stmt);
if(count != NULL)
*count = local_count;
return result;
}
/*
Dear Mister Dijkstra,
I hereby make a formal apology for using goto statements in the following
function. While I am fully aware that I will rot in the deepest hells for
this ultimate sin and that I'm not worth to be called a "programmer" from
now on, I have one excuse to bring up: I never did so before, and this way
the code gets a lot smaller and less repetitive. And since you are dead
while I am not (yet) I will stick with my gotos.
See you in hell
houz
*/
static GList* dt_metadata_get_exif(int id, const char* key, uint32_t* count)
{
GList *result = NULL;
sqlite3_stmt *stmt;
uint32_t local_count = 0;
// the doubles
if(strncmp(key, "Exif.Photo.ExposureTime", 23) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select exposure from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select exposure from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else if(strncmp(key, "Exif.Photo.ApertureValue", 24) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select aperture from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select aperture from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else if(strncmp(key, "Exif.Photo.ISOSpeedRatings", 26) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select iso from images where id in (select imgid from selected_images)",
-1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select iso from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else if(strncmp(key, "Exif.Photo.FocalLength", 22) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select focal_length from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select focal_length from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else
{
// the strings
if(strncmp(key, "Exif.Photo.DateTimeOriginal", 27) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select datetime_taken from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select datetime_taken from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else if(strncmp(key, "Exif.Image.Make", 15) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select maker from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select maker from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else if(strncmp(key, "Exif.Image.Model", 16) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select model from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select model from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
}
else
{
goto END;
}
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
result = g_list_append(result, g_strdup((char *)sqlite3_column_text(stmt, 0)));
}
sqlite3_finalize(stmt);
goto END;
}
// the double queries
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
double *tmp = (double*)malloc(sizeof(double));
*tmp = sqlite3_column_double(stmt, 0);
result = g_list_append(result, tmp);
}
sqlite3_finalize(stmt);
END:
if(count != NULL)
*count = local_count;
return result;
}
// for everything which doesn't fit anywhere else (our made up stuff)
static GList* dt_metadata_get_dt(int id, const char* key, uint32_t* count)
{
GList *result = NULL;
sqlite3_stmt *stmt;
uint32_t local_count = 0;
if(strncmp(key, "darktable.Lens", 14) == 0)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select lens from images where id in "
"(select imgid from selected_images)", -1, &stmt, NULL);
}
else // single image under mouse cursor
{
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"select lens from images where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
}
while(sqlite3_step(stmt) == SQLITE_ROW)
{
local_count++;
result = g_list_append(result, g_strdup((char *)sqlite3_column_text(stmt, 0)));
}
sqlite3_finalize(stmt);
}
else if(strncmp(key, "darktable.Name", 14) == 0)
{
result = g_list_append(result, g_strdup(PACKAGE_NAME));
local_count = 1;
}
else if(strncmp(key, "darktable.Version", 17) == 0)
{
result = g_list_append(result, g_strdup(PACKAGE_VERSION));
local_count = 1;
}
if(count != NULL)
*count = local_count;
return result;
}
void dt_metadata_set(int id, const char* key, const char* value)
{
if(strncmp(key, "Xmp.", 4) == 0)
dt_metadata_set_xmp(id, key, value);
else if(strncmp(key, "Exif.", 5) == 0)
dt_metadata_set_exif(id, key, value);
}
GList* dt_metadata_get(int id, const char* key, uint32_t* count)
{
if(strncmp(key, "Xmp.", 4) == 0)
return dt_metadata_get_xmp(id, key, count);
if(strncmp(key, "Exif.", 5) == 0)
return dt_metadata_get_exif(id, key, count);
if(strncmp(key, "darktable.", 10) == 0)
return dt_metadata_get_dt(id, key, count);
return NULL;
}
// TODO: Also clear exif data? I don't think it makes sense.
void dt_metadata_clear(int id)
{
if(id == -1)
{
DT_DEBUG_SQLITE3_EXEC(dt_database_get(darktable.db),
"delete from meta_data where id in "
"(select imgid from selected_images)", NULL, NULL, NULL);
}
else
{
sqlite3_stmt *stmt;
DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db),
"delete from meta_data where id = ?1", -1, &stmt, NULL);
DT_DEBUG_SQLITE3_BIND_INT(stmt, 1, id);
sqlite3_step(stmt);
sqlite3_finalize(stmt);
}
}
// modelines: These editor modelines have been set for all relevant files by tools/update_modelines.sh
// vim: shiftwidth=2 expandtab tabstop=2 cindent
// kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-space on;