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Merge pull request #17346 from zisoft/exposure-bias-filter
Add collection and filter for exposure bias
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| /* | ||
| This file is part of darktable, | ||
| Copyright (C) 2024 darktable developers. | ||
| 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/>. | ||
| */ | ||
|
|
||
| /* | ||
| This file contains the necessary routines to implement a filter for the filtering module | ||
| */ | ||
|
|
||
| #include "common/utility.h" | ||
|
|
||
| static gboolean _exposure_bias_update(dt_lib_filtering_rule_t *rule) | ||
| { | ||
| if(!rule->w_specific) return FALSE; | ||
|
|
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| dt_lib_filtering_t *d = rule->lib; | ||
| _widgets_range_t *special = (_widgets_range_t *)rule->w_specific; | ||
| _widgets_range_t *specialtop = (_widgets_range_t *)rule->w_specific_top; | ||
| GtkDarktableRangeSelect *range = DTGTK_RANGE_SELECT(special->range_select); | ||
| GtkDarktableRangeSelect *rangetop = (specialtop) ? DTGTK_RANGE_SELECT(specialtop->range_select) : NULL; | ||
|
|
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| rule->manual_widget_set++; | ||
| // first, we update the graph | ||
| char query[1024] = { 0 }; | ||
| // clang-format off | ||
| g_snprintf(query, sizeof(query), | ||
| "SELECT ROUND(exposure_bias,2), COUNT(*) AS count" | ||
| " FROM main.images AS mi" | ||
| " WHERE %s" | ||
| " GROUP BY ROUND(exposure_bias,2)", | ||
| d->last_where_ext); | ||
| // clang-format on | ||
| sqlite3_stmt *stmt; | ||
| DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), query, -1, &stmt, NULL); | ||
| dtgtk_range_select_reset_blocks(range); | ||
| if(rangetop) dtgtk_range_select_reset_blocks(rangetop); | ||
| while(sqlite3_step(stmt) == SQLITE_ROW) | ||
| { | ||
| const double val = sqlite3_column_double(stmt, 0); | ||
| const int count = sqlite3_column_int(stmt, 1); | ||
| dtgtk_range_select_add_block(range, val, count); | ||
| if(rangetop) dtgtk_range_select_add_block(rangetop, val, count); | ||
| } | ||
| sqlite3_finalize(stmt); | ||
|
|
||
| // and setup the selection | ||
| dtgtk_range_select_set_selection_from_raw_text(range, rule->raw_text, FALSE); | ||
| if(rangetop) dtgtk_range_select_set_selection_from_raw_text(rangetop, rule->raw_text, FALSE); | ||
| rule->manual_widget_set--; | ||
|
|
||
| dtgtk_range_select_redraw(range); | ||
| if(rangetop) dtgtk_range_select_redraw(rangetop); | ||
| return TRUE; | ||
| } | ||
|
|
||
| static gchar *_exposure_bias_print_func(const double value, const gboolean detailled) | ||
| { | ||
| if(detailled) | ||
| { | ||
| return g_strdup_printf("%+.2f EV", value); | ||
| } | ||
| else | ||
| { | ||
| return dt_util_float_to_str("%+.2f", value); | ||
| } | ||
| } | ||
|
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| static void _exposure_bias_widget_init(dt_lib_filtering_rule_t *rule, | ||
| const dt_collection_properties_t prop, | ||
| const gchar *text, | ||
| dt_lib_module_t *self, | ||
| const gboolean top) | ||
| { | ||
| _widgets_range_t *special = (_widgets_range_t *)g_malloc0(sizeof(_widgets_range_t)); | ||
|
|
||
| special->range_select | ||
| = dtgtk_range_select_new(dt_collection_name_untranslated(prop), !top, DT_RANGE_TYPE_NUMERIC); | ||
| if(top) gtk_widget_set_size_request(special->range_select, 160, -1); | ||
| GtkDarktableRangeSelect *range = DTGTK_RANGE_SELECT(special->range_select); | ||
| range->step_bd = 1.0/3.0; | ||
| dtgtk_range_select_set_selection_from_raw_text(range, text, FALSE); | ||
| range->print = _exposure_bias_print_func; | ||
|
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| char query[1024] = { 0 }; | ||
| // clang-format off | ||
| g_snprintf(query, sizeof(query), | ||
| "SELECT MIN(exposure_bias), MAX(exposure_bias)" | ||
| " FROM main.images"); | ||
| // clang-format on | ||
| sqlite3_stmt *stmt; | ||
| DT_DEBUG_SQLITE3_PREPARE_V2(dt_database_get(darktable.db), query, -1, &stmt, NULL); | ||
| double min = -5.0; | ||
| double max = 5.0; | ||
| if(sqlite3_step(stmt) == SQLITE_ROW) | ||
| { | ||
| min = sqlite3_column_double(stmt, 0); | ||
| max = sqlite3_column_double(stmt, 1); | ||
| } | ||
| sqlite3_finalize(stmt); | ||
| range->min_r = floor(min * 100.0) / 100.0; | ||
| range->max_r = (floor(max * 100.0) + 1.0) / 100.0; | ||
|
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| _range_widget_add_to_rule(rule, special, top); | ||
| } | ||
|
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||
| // clang-format off | ||
| // modelines: These editor modelines have been set for all relevant files by tools/update_modelines.py | ||
| // vim: shiftwidth=2 expandtab tabstop=2 cindent | ||
| // kate: tab-indents: off; indent-width 2; replace-tabs on; indent-mode cstyle; remove-trailing-spaces modified; | ||
| // clang-format on |