Here is a list of all struct and union fields with links to the structures/unions they belong to:
- c -
- c : dt_draw_curve_t
- C_c : dt_iop_restorescans_gui_data_t, dt_iop_restorescans_t
- c_clut : dt_iop_lut3d_params_t
- C_m : dt_iop_restorescans_gui_data_t, dt_iop_restorescans_t
- c_marshaller : dt_signal_description
- C_o : dt_iop_restorescans_gui_data_t, dt_iop_restorescans_t
- C_y : dt_iop_restorescans_gui_data_t, dt_iop_restorescans_t
- cache : dt_image_cache_t, dt_lib_histogram_t, dt_mipmap_cache_one_t
- cache_entry : _cache_lru_t, dt_image_t, dt_mipmap_buffer_t
- cached_dirname : dt_imageio_gallery_t
- cachedir : darktable_t, dt_mipmap_cache_t
- call_auto_exposure : dt_iop_basicadj_gui_data_t
- call_auto_levels : dt_iop_rgblevels_gui_data_t
- callback : _connection_t, dt_accels_t::scroll, dt_gui_presets_edit_dialog_t
- callback_params : dt_lib_location_t
- CAM_to_RGB : dt_iop_demosaic_data_t, dt_iop_invert_gui_data_t
- CAM_to_XYZ : dt_iop_temperature_gui_data_t
- camera : dt_iop_lensfun_gui_data_t, dt_iop_lensfun_params_t, dt_thumbnail_t
- camera_alias : dt_image_t, dt_variables_data_t
- camera_legacy_makermodel : dt_image_t
- camera_maker : dt_image_t, dt_variables_data_t
- camera_makermodel : dt_control_merge_hdr_t, dt_image_t
- camera_menu : dt_iop_lensfun_gui_data_t
- camera_missing_sample : dt_image_t
- camera_model : dt_image_t, dt_iop_lensfun_gui_data_t
- can : dt_iop_colorreconstruct_gui_data_t
- cancel : _dt_progress_t
- cancel_data : _dt_progress_t
- cancellable : dt_control_t
- canonical : PermutohedralLattice< D, VD >
- canvas : _GtkDarktableButton, _GtkDarktableToggleButton
- capabilities : darktable_t
- capabilities_threadsafe : darktable_t
- capacity : HashTablePermutohedral< KD, VD >
- capacity_bits : HashTablePermutohedral< KD, VD >
- category_pos : dt_colorspaces_color_profile_t
- Catmull_Rom_spline() : interpol::Catmull_Rom_spline< T >
- cb : async_call_data, dt_iop_ashift_data_t, dt_iop_ashift_params3_t, dt_iop_ashift_params4_t, dt_iop_ashift_params_t, dt_prtctl_t, string_call_data
- cb_data : async_call_data, string_call_data
- cbe : dt_iop_lensfun_gui_data_t
- center : dt_iop_relight_data_t, dt_iop_relight_gui_data_t, dt_iop_relight_params_t, dt_iop_vignette_data_t, dt_iop_vignette_params1_t, dt_iop_vignette_params2_t, dt_iop_vignette_params3_t, dt_iop_vignette_params_t, dt_masks_point_circle_t, dt_masks_point_ellipse_t, dt_ui_t
- center_base : dt_ui_t
- center_box : dt_iop_channelmixer_rgb_gui_data_t
- center_tooltip : dt_gui_gtk_t
- center_weight : dt_nlmeans_param_t
- center_x : dt_iop_vignette_gui_data_t
- center_y : dt_iop_vignette_gui_data_t
- central_pixel_weight : dt_iop_denoiseprofile_data_t, dt_iop_denoiseprofile_gui_data_t, dt_iop_denoiseprofile_params_t, dt_iop_denoiseprofile_params_v10_t, dt_iop_denoiseprofile_params_v7_t, dt_iop_denoiseprofile_params_v8_t, dt_iop_denoiseprofile_params_v9_t
- ch : dt_dev_histogram_stats_t, dt_iop_clipping_data_t, dt_iop_clipping_gui_data_t, dt_iop_clipping_params_t, dt_iop_colormapping_gui_data_t, dt_iop_crop_data_t, dt_iop_crop_gui_data_t, dt_iop_crop_params_t, dwt_params_t
- change_active : dt_bauhaus_t
- change_timestamp : dt_image_t
- changed : dt_dev_pixelpipe_t, dt_iop_color_picker_t
- channel : dt_iop_atrous_gui_data_t, dt_iop_colorzones_data_t, dt_iop_colorzones_gui_data_t, dt_iop_colorzones_params_t, dt_iop_denoiseprofile_data_t, dt_iop_denoiseprofile_gui_data_t, dt_iop_equalizer_gui_data_t, dt_iop_grain_data_t, dt_iop_grain_params_t, dt_iop_gui_blend_data_t, dt_iop_rawdenoise_data_t, dt_iop_rawdenoise_gui_data_t, dt_iop_rgbcurve_gui_data_t, dt_iop_rgblevels_gui_data_t, dt_iop_tonecurve_gui_data_t
- channel2 : dt_iop_atrous_gui_data_t
- channel_boost_factor_slider : dt_iop_gui_blend_data_t
- channel_button : dt_iop_equalizer_gui_data_t
- channel_tabs : dt_iop_atrous_gui_data_t, dt_iop_colorzones_gui_data_t, dt_iop_denoiseprofile_gui_data_t, dt_iop_gui_blend_data_t, dt_iop_rawdenoise_gui_data_t, dt_iop_rgbcurve_gui_data_t, dt_iop_rgblevels_gui_data_t, dt_iop_tonecurve_gui_data_t
- channel_tabs_csp : dt_iop_gui_blend_data_t
- channel_tabs_Y0U0V0 : dt_iop_denoiseprofile_gui_data_t
- channels : dt_gaussian_t, dt_iop_buffer_dsc_t
- Char : dt_introspection_field_t
- chart : dt_lut_t, image_t
- check : dt_iop_useless_gui_data_t, dt_iop_useless_params_t
- checked_callback : dt_menu_entry_t
- checker : dt_iop_channelmixer_rgb_gui_data_t
- checker_color_1 : dt_iop_colorbalancergb_data_t
- checker_color_1_picker : dt_iop_colorbalancergb_gui_data_t
- checker_color_2 : dt_iop_colorbalancergb_data_t
- checker_color_2_picker : dt_iop_colorbalancergb_gui_data_t
- checker_ready : dt_iop_channelmixer_rgb_gui_data_t
- checker_scale : dt_iop_useless_params_t
- checker_size : dt_iop_colorbalancergb_data_t, dt_iop_colorbalancergb_gui_data_t
- checkers_list : dt_iop_channelmixer_rgb_gui_data_t
- child : child_data_t
- child_views : dt_lib_module_toolbox_t
- chk_compensate_middle_grey : dt_iop_rgbcurve_gui_data_t
- chk_edit_by_area : dt_iop_colorzones_gui_data_t
- chroma : dt_iop_colorbalancergb_data_t, dt_iop_nlmeans_gui_data_t, dt_iop_nlmeans_params_t, dt_iop_nlmeans_params_v1_t, dt_nlmeans_param_t
- chroma_adaptation : dt_develop_t
- chroma_global : dt_iop_colorbalancergb_data_t, dt_iop_colorbalancergb_gui_data_t, dt_iop_colorbalancergb_params_t
- chroma_highlights : dt_iop_colorbalancergb_gui_data_t, dt_iop_colorbalancergb_params_t
- chroma_LUT : dt_iop_colorbalancergb_data_t
- chroma_midtones : dt_iop_colorbalancergb_gui_data_t, dt_iop_colorbalancergb_params_t
- chroma_shadows : dt_iop_colorbalancergb_gui_data_t, dt_iop_colorbalancergb_params_t
- chroma_spot : dt_iop_channelmixer_rgb_gui_data_t
- cht_button : dt_lut_t
- cinfo : dt_imageio_jpeg_t
- cix : dt_iop_clipping_data_t
- ciy : dt_iop_clipping_data_t
- cl : dt_iop_ashift_data_t, dt_iop_ashift_params3_t, dt_iop_ashift_params4_t, dt_iop_ashift_params_t
- clarity : dt_iop_velvia_params1_t
- cleanup : dt_cache_t
- cleanup_data : dt_cache_t
- clear() : HashTablePermutohedral< KD, VD >::Value
- clear_button : dt_lib_tagging_t
- clear_input : dt_iop_colorin_data_t
- click_end : dt_iop_channelmixer_rgb_gui_data_t
- click_pos_x : dt_lib_print_settings_t
- click_pos_y : dt_lib_print_settings_t
- click_start : dt_iop_channelmixer_rgb_gui_data_t
- clip : dt_iop_basicadj_params_t, dt_iop_channelmixer_rbg_data_t, dt_iop_channelmixer_rgb_gui_data_t, dt_iop_channelmixer_rgb_params_t, dt_iop_highlights_gui_data_t, dt_iop_highlights_params_t
- clip_h : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_max_h : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_max_pipe_hash : dt_iop_clipping_gui_data_t
- clip_max_w : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_max_x : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_max_y : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_w : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_x : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clip_y : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- clipping_combobox : dt_iop_colorin_gui_data_t
- clock : dt_times_t
- clockwise : dt_masks_form_gui_points_t
- clone_algo : dt_iop_spots_params_t
- clone_id : dt_iop_spots_params_t
- close : dt_header_t
- closeup : dt_iop_crop_gui_data_t, dt_lib_snapshot_t
- closure : dt_shortcut_t
- cluster_id : dt_geo_position_t
- clusters : dt_iop_colormapping_gui_data_t
- clut : dt_iop_lut3d_data_t
- cmatrix : dt_iop_colorin_data_t, dt_iop_colorout_data_t
- cmb_autoscale : dt_iop_rgblevels_gui_data_t
- cmb_blur_type : dt_iop_retouch_gui_data_t
- cmb_fill_mode : dt_iop_retouch_gui_data_t
- cmb_preserve_colors : dt_iop_basecurve_gui_data_t, dt_iop_basicadj_gui_data_t, dt_iop_rgbcurve_gui_data_t, dt_iop_rgblevels_gui_data_t
- CMY : dt_iop_restorescans_data_t
- code : dt_l10n_language_t
- codepath : darktable_t
- coeff_a : dt_iop_colorchecker_data_t
- coeff_b : dt_iop_colorchecker_data_t
- coeff_L : dt_iop_colorchecker_data_t
- coeffs : dt_iop_buffer_dsc_t, dt_iop_temperature_data_t
- col_count : dt_slideshow_t
- col_pitch : dt_dng_gain_map_t
- collapse_groups : dt_thumbtable_t
- collate_key : name_key_tuple_t
- collection : darktable_t, dt_lib_tagging_t
- collection_count : dt_thumbtable_t
- collection_hash : dt_thumbtable_t
- collection_inited : dt_thumbtable_t
- color : _gradient_slider_stop_t, box_t, dt_iop_ashift_points_idx_t, dt_iop_borders_params_t, dt_iop_graduatednd_data_t, dt_iop_gui_blendif_colorstop_t, dt_iop_invert_data_t, dt_iop_invert_params_t, dt_iop_watermark_data_t, dt_iop_watermark_params_t, lr_data_t
- color1 : dt_iop_graduatednd_data_t
- color_bg : dt_bauhaus_t
- color_border : dt_bauhaus_t
- color_fg : dt_bauhaus_t
- color_fg_insensitive : dt_bauhaus_t
- color_fill : dt_bauhaus_t
- color_labels : dt_image_t
- color_mode : dt_imageio_avif_gui_t, dt_imageio_avif_t
- color_mode_selector : dt_lib_histogram_t
- color_patch : dt_colorpicker_sample_t
- color_patches_flags : dt_iop_colorbalance_gui_data_t
- color_patches_gain : dt_iop_colorbalance_gui_data_t
- color_patches_gamma : dt_iop_colorbalance_gui_data_t
- color_patches_lift : dt_iop_colorbalance_gui_data_t
- color_picker : dt_iop_channelmixer_rgb_gui_data_t
- color_picker_button : dt_iop_watermark_gui_data_t
- color_primaries : dt_colorspaces_cicp_t
- color_profiles : darktable_t
- color_smoothing : dt_iop_demosaic_data_t, dt_iop_demosaic_gui_data_t, dt_iop_demosaic_params_t
- color_space : box_t, dt_mipmap_buffer_dsc, dt_mipmap_buffer_t
- color_type : dt_imageio_png_t
- colorchecker_encoded : dt_lut_t
- colord_profile_file : dt_colorspaces_t
- colored_sliders : dt_iop_temperature_gui_data_t
- colorlabels : dt_bauhaus_t, dt_thumbnail_t
- colorpick : dt_iop_borders_gui_data_t, dt_iop_color_picker_t, dt_iop_retouch_gui_data_t, dt_iop_watermark_gui_data_t
- colorpicker : dt_iop_colorzones_gui_data_t, dt_iop_gui_blend_data_t, dt_iop_invert_gui_data_t, dt_iop_relight_gui_data_t, dt_iop_retouch_gui_data_t, dt_iop_rgbcurve_gui_data_t, dt_iop_temperature_gui_data_t, dt_iop_tonecurve_gui_data_t, dt_lib_t
- colorpicker_set_values : dt_iop_colorzones_gui_data_t, dt_iop_gui_blend_data_t, dt_iop_rgbcurve_gui_data_t
- colors : _GtkDarktableGradientSlider, dt_dev_pixelpipe_iop_t, dt_gui_gtk_t, dt_lib_tool_filter_t
- colorscheme : dt_develop_t
- colorspace : dt_image_t, dt_iop_lut3d_gui_data_t, dt_iop_lut3d_params_t
- colorstops : dt_iop_gui_blendif_channel_t
- cols : patch_t
- columns : dt_lib_tool_lighttable_t
- combine : dt_iop_highlights_params_t
- combo : dt_lib_collect_rule_t
- combobox : dt_bauhaus_data_t
- combobox_patch : dt_iop_colorchecker_gui_data_t
- combobox_target : dt_iop_colorchecker_gui_data_t
- commit_button : dt_iop_ashift_gui_data_t, dt_iop_crop_gui_data_t
- common_fields : dt_iop_module_so_t, dt_iop_module_t, dt_lib_module_t
- common_name : dt_medium_info_t, dt_paper_info_t
- comp_type : dt_imageio_webp_t
- comparator : dt_lib_tool_filter_t
- compensate_exposure_bias : dt_iop_exposure_gui_data_t, dt_iop_exposure_params_t
- compensate_icc_black : dt_iop_filmicrgb_gui_data_t, dt_iop_filmicrgb_params_t
- compensate_middle_grey : dt_iop_rgbcurve_params_t
- compress : dt_imageio_tiff_gui_t, dt_imageio_tiff_t, dt_iop_shadhi_data_t, dt_iop_shadhi_gui_data_t, dt_iop_shadhi_params1_t, dt_iop_shadhi_params2_t, dt_iop_shadhi_params3_t, dt_iop_shadhi_params4_t, dt_iop_shadhi_params_t, dt_iop_splittoning_data_t, dt_iop_splittoning_params_t
- compress_button : dt_lib_history_t
- compress_scale : dt_iop_splittoning_gui_data_t
- compression : dt_imageio_exr_gui_t, dt_imageio_exr_t, dt_imageio_pdf_params_t, dt_imageio_png_gui_t, dt_imageio_png_t, dt_imageio_webp_gui_data_t, dt_masks_point_gradient_t, pdf_t
- compression_type : dt_imageio_avif_gui_t, dt_imageio_avif_t
- compresslevel : dt_imageio_tiff_gui_t, dt_imageio_tiff_t
- concavity : dt_iop_blurs_gui_data_t, dt_iop_blurs_params_t
- cond : _dt_delete_modal_dialog_t, dt_control_t
- cond_mutex : dt_control_t
- conf : darktable_t
- config_file : dt_accels_t
- configdir : darktable_t
- configured : dt_thumbtable_t
- confname : _gui_collapsible_section_t
- connected : dt_dbus_t
- connection : backend_kwallet_context_t
- container : _gui_collapsible_section_t, dt_colorpicker_sample_t, dt_lib_module_toolbox_t, position_description_t
- containers : dt_ui_t
- context : dt_iop_filmicrgb_gui_data_t, dt_iop_toneequalizer_gui_data_t
- contrast : dt_develop_blend_params_t, dt_iop_basicadj_params_t, dt_iop_colisa_data_t, dt_iop_colisa_gui_data_t, dt_iop_colisa_params_t, dt_iop_colorbalance_data_t, dt_iop_colorbalance_gui_data_t, dt_iop_colorbalance_params_t, dt_iop_colorbalancergb_data_t, dt_iop_colorbalancergb_gui_data_t, dt_iop_colorbalancergb_params_t, dt_iop_filmic_data_t, dt_iop_filmic_gui_data_t, dt_iop_filmic_params_t, dt_iop_filmicrgb_data_t, dt_iop_filmicrgb_gui_data_t, dt_iop_filmicrgb_params_t, dt_iop_highpass_data_t, dt_iop_highpass_gui_data_t, dt_iop_highpass_params_t, dt_iop_lowpass_data_t, dt_iop_lowpass_gui_data_t, dt_iop_lowpass_params1_t, dt_iop_lowpass_params2_t, dt_iop_lowpass_params3_t, dt_iop_lowpass_params_t, dt_iop_tonemapping_data_t, dt_iop_tonemapping_gui_data_t, dt_iop_tonemapping_params_t
- contrast_boost : dt_iop_toneequalizer_data_t, dt_iop_toneequalizer_gui_data_t, dt_iop_toneequalizer_params_t
- contrast_slider : dt_iop_gui_blend_data_t
- control : darktable_t
- control1 : dt_liquify_warp_t
- control2 : dt_liquify_warp_t
- control_button_pressed : dt_iop_gui_blend_data_t
- controls : dt_iop_colorbalance_gui_data_t
- cookie_file : _piwigo_api_context_t
- copied_imageid : dt_history_copy_item_t
- copied_scale : dt_iop_retouch_gui_data_t
- copy : dt_control_import_t
- copy_iop_order : dt_history_copy_item_t
- copy_paste : dt_view_manager_t
- corner : dt_masks_point_brush_t, dt_masks_point_path_t
- corrections_done : dt_iop_lensfun_gui_data_t
- cost : dt_cache_entry_t, dt_cache_t
- cost_quota : dt_cache_t
- count : dt_collection_t, dt_images_box, dt_introspection_type_array_t, dt_map_location_t, dt_tag_t, name_key_tuple_t
- counted : dt_sel_img_t
- cr : dt_iop_ashift_data_t, dt_iop_ashift_params3_t, dt_iop_ashift_params4_t, dt_iop_ashift_params_t, dt_iop_toneequalizer_gui_data_t
- create_box : dt_storage_piwigo_gui_data_t
- create_button : dt_lib_history_t, dt_lib_styles_t
- creation : dt_lib_print_settings_t, dt_masks_form_gui_t
- creation_closing_form : dt_masks_form_gui_t
- creation_module : dt_masks_form_gui_t
- crop : dt_iop_lensfun_data_t, dt_iop_lensfun_params_t
- crop_auto : dt_iop_clipping_data_t, dt_iop_clipping_gui_data_t, dt_iop_clipping_params_t
- crop_cx : dt_iop_ashift_gui_data_t
- crop_cy : dt_iop_ashift_gui_data_t
- crop_factor : dt_iop_ashift_gui_data_t, dt_iop_ashift_params2_t, dt_iop_ashift_params3_t, dt_iop_ashift_params4_t, dt_iop_ashift_params_t
- crop_height : dt_histogram_roi_t, dt_image_t
- crop_roundness : lr_data_t
- crop_width : dt_histogram_roi_t, dt_image_t
- crop_x : dt_histogram_roi_t, dt_image_t
- crop_y : dt_histogram_roi_t, dt_image_t
- cropmode : dt_iop_ashift_gui_data_t, dt_iop_ashift_params3_t, dt_iop_ashift_params4_t, dt_iop_ashift_params_t
- cropping : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- cs : dt_iop_ashift_gui_data_t, dt_iop_channelmixer_rgb_gui_data_t, dt_iop_crop_gui_data_t, dt_iop_exposure_gui_data_t, dt_iop_temperature_gui_data_t
- csample : dt_draw_curve_t
- csp : dt_iop_gui_blend_data_t
- css_text_view : dt_gui_themetweak_widgets_t
- csspot : dt_iop_channelmixer_rgb_gui_data_t
- cst : dt_iop_buffer_dsc_t, dt_iop_toneequalizer_gui_data_t, dt_lib_histogram_t
- ct : dt_iop_ashift_data_t, dt_iop_ashift_params3_t, dt_iop_ashift_params4_t, dt_iop_ashift_params_t
- ctable : dt_iop_colisa_data_t, dt_iop_lowpass_data_t
- ctrl1 : dt_liquify_node_t, dt_masks_point_brush_t, dt_masks_point_path_t
- ctrl2 : dt_liquify_node_t, dt_masks_point_brush_t, dt_masks_point_path_t
- ctrl_hold : dt_iop_clipping_gui_data_t, dt_iop_crop_gui_data_t
- culling : dt_lib_tool_filter_t
- culling_mode : dt_gui_gtk_t
- cunbounded_coeffs : dt_iop_colisa_data_t, dt_iop_lowpass_data_t
- cur_final_height : dt_lib_duplicate_t
- cur_final_width : dt_lib_duplicate_t
- curl_ctx : _piwigo_api_context_t
- curr_scale : dt_iop_retouch_gui_data_t, dt_iop_retouch_params_t
- current : dt_bauhaus_t, dt_history_hash_values_t, dt_lib_modulegroups_t
- current_len : dt_history_hash_values_t
- current_memory : dt_dev_pixelpipe_cache_t
- current_mode : dt_lib_ioporder_t
- current_parser_element : dt_gpx_t
- current_structure_method : dt_iop_ashift_gui_data_t
- current_track_point : dt_gpx_t
- current_view : dt_view_manager_t
- current_zone : dt_iop_zonesystem_gui_data_t
- cursor_exposure : dt_iop_toneequalizer_gui_data_t
- cursor_pos_x : dt_iop_toneequalizer_gui_data_t
- cursor_pos_y : dt_iop_toneequalizer_gui_data_t
- cursor_valid : dt_iop_toneequalizer_gui_data_t
- curvature : dt_iop_blurs_gui_data_t, dt_iop_blurs_params_t, dt_masks_point_gradient_t
- curve : dt_iop_atrous_data_t, dt_iop_basecurve_data_t, dt_iop_colorzones_data_t, dt_iop_colorzones_params_t, dt_iop_denoiseprofile_data_t, dt_iop_equalizer_data_t, dt_iop_lowlight_data_t, dt_iop_rawdenoise_data_t, dt_iop_rgbcurve_data_t, dt_iop_tonecurve_data_t
- curve_autoscale : dt_iop_rgbcurve_params_t
- curve_changed : dt_iop_rgbcurve_data_t
- curve_kind : lr_data_t
- curve_nodes : dt_iop_colorzones_data_t, dt_iop_rgbcurve_params_t, dt_iop_tonecurve_data_t
- curve_num_nodes : dt_iop_colorzones_params_t, dt_iop_rgbcurve_params_t
- curve_pts : lr_data_t
- curve_type : dt_iop_colorzones_data_t, dt_iop_colorzones_params_t, dt_iop_rgbcurve_params_t, dt_iop_tonecurve_data_t
- custom_grey : dt_iop_filmicrgb_gui_data_t, dt_iop_filmicrgb_params_t
- custom_tca : dt_iop_lensfun_data_t
- cw : dt_iop_clipping_data_t, dt_iop_clipping_gui_data_t, dt_iop_clipping_params_t, dt_iop_crop_data_t, dt_iop_crop_gui_data_t, dt_iop_crop_params_t
- cx : dt_iop_clipping_data_t, dt_iop_clipping_gui_data_t, dt_iop_clipping_params_t, dt_iop_crop_data_t, dt_iop_crop_gui_data_t, dt_iop_crop_params_t
- cy : dt_iop_clipping_data_t, dt_iop_clipping_gui_data_t, dt_iop_clipping_params_t, dt_iop_crop_data_t, dt_iop_crop_gui_data_t, dt_iop_crop_params_t