Ansel 0.0
A darktable fork - bloat + design vision
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Data Fields
dt_drawlayer_paint_stroke_t Struct Reference

Mutable stroke runtime state owned by worker/backend code. More...

#include <paint.h>

+ Collaboration diagram for dt_drawlayer_paint_stroke_t:

Data Fields

GArray * history
 
GArray * raw_inputs
 
GArray * pending_dabs
 
guint raw_input_cursor
 
GArray * dab_window
 
dt_drawlayer_brush_dab_t last_input_dab
 
gboolean have_last_input_dab
 
dt_drawlayer_brush_dab_t prev_raw_dab
 
gboolean have_prev_raw_dab
 
float stroke_arc_length
 
float sampled_arc_length
 
float distance_percent
 
uint64_t stroke_seed
 
dt_drawlayer_damaged_rect_t bounds
 
float * smudge_pixels
 
int smudge_width
 
int smudge_height
 
float smudge_pickup_x
 
float smudge_pickup_y
 
gboolean have_smudge_pickup
 

Detailed Description

Mutable stroke runtime state owned by worker/backend code.

The same object carries path generation state and raster-time transient data. It is reset at stroke boundaries by the worker lifecycle.

Field Documentation

◆ bounds

dt_drawlayer_damaged_rect_t dt_drawlayer_paint_stroke_t::bounds

Last dab footprint bounds in target buffer coordinates.

Referenced by _brush_runtime_view_from_state(), dt_drawlayer_brush_rasterize(), dt_drawlayer_paint_rasterize_segment_to_buffer(), and dt_drawlayer_paint_runtime_prepare_dab_context().

◆ dab_window

GArray* dt_drawlayer_paint_stroke_t::dab_window

Rolling local raster window (dt_drawlayer_brush_dab_t, max ~3).

Referenced by _destroy_fullres_replay_scratch(), _get_fullres_replay_scratch(), _paint_reset_path_runtime_state(), _process_backend_dab(), _stroke_create(), _stroke_destroy(), dt_drawlayer_paint_rasterize_segment_to_buffer(), dt_drawlayer_worker_replay_finished_stroke_to_base_patch(), and dt_drawlayer_worker_seal_for_commit().

◆ distance_percent

float dt_drawlayer_paint_stroke_t::distance_percent

Last applied distance control in [0,1].

Referenced by _emit_first_sample_if_needed(), _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), _process_backend_dab(), _rasterize_pending_dab_batch(), dt_drawlayer_paint_finalize_path(), and dt_drawlayer_worker_replay_finished_stroke_to_base_patch().

◆ have_last_input_dab

gboolean dt_drawlayer_paint_stroke_t::have_last_input_dab

TRUE when last_input_dab is initialized.

Referenced by _emit_first_sample_if_needed(), _paint_input_starts_new_stroke(), _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), dt_drawlayer_build_worker_input_dab(), and dt_drawlayer_paint_finalize_path().

◆ have_prev_raw_dab

gboolean dt_drawlayer_paint_stroke_t::have_prev_raw_dab

TRUE when prev_raw_dab is initialized.

Referenced by _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), and _sample_raw_segment_cubic_param().

◆ have_smudge_pickup

gboolean dt_drawlayer_paint_stroke_t::have_smudge_pickup

TRUE when smudge pickup coordinates are valid.

Referenced by dt_drawlayer_paint_runtime_have_smudge_pickup(), dt_drawlayer_paint_runtime_private_reset(), and dt_drawlayer_paint_runtime_set_smudge_pickup().

◆ history

GArray* dt_drawlayer_paint_stroke_t::history

Emitted, evenly-spaced dabs (dt_drawlayer_brush_dab_t).

Referenced by _apply_quadratic_dab_smoothing(), _destroy_fullres_replay_scratch(), _emit_dab(), _emit_first_sample_if_needed(), _enforce_dab_center_spacing(), _flush_pending_initial_if_needed(), _get_fullres_replay_scratch(), _paint_reset_path_runtime_state(), _stroke_begin(), _stroke_create(), dt_drawlayer_build_worker_input_dab(), dt_drawlayer_paint_finalize_path(), and dt_drawlayer_worker_replay_finished_stroke_to_base_patch().

◆ last_input_dab

dt_drawlayer_brush_dab_t dt_drawlayer_paint_stroke_t::last_input_dab

Last converted raw-input dab (pre-resampling).

Referenced by _emit_first_sample_if_needed(), _flush_pending_initial_if_needed(), _paint_input_starts_new_stroke(), _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), dt_drawlayer_build_worker_input_dab(), and dt_drawlayer_paint_finalize_path().

◆ pending_dabs

GArray* dt_drawlayer_paint_stroke_t::pending_dabs

Newly emitted dabs not yet rasterized (dt_drawlayer_brush_dab_t).

Referenced by _backend_pending_dabs_locked(), _backend_worker_on_idle(), _destroy_fullres_replay_scratch(), _emit_dab(), _ensure_pending_dabs(), _get_fullres_replay_scratch(), _paint_reset_path_runtime_state(), _process_backend_input(), _rasterize_pending_dab_batch(), _stroke_create(), _stroke_destroy(), dt_drawlayer_worker_pending_dab_count(), dt_drawlayer_worker_replay_finished_stroke_to_base_patch(), and dt_drawlayer_worker_seal_for_commit().

◆ prev_raw_dab

dt_drawlayer_brush_dab_t dt_drawlayer_paint_stroke_t::prev_raw_dab

Previous raw segment anchor for cubic interpolation.

Referenced by _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), and _sample_raw_segment_cubic_param().

◆ raw_input_cursor

guint dt_drawlayer_paint_stroke_t::raw_input_cursor

Cursor of next raw input to consume in raw_inputs.

Referenced by _paint_compact_raw_input_queue(), dt_drawlayer_paint_interpolate_path(), and dt_drawlayer_paint_path_state_reset().

◆ raw_inputs

GArray* dt_drawlayer_paint_stroke_t::raw_inputs

FIFO raw input queue (dt_drawlayer_paint_raw_input_t).

Referenced by _ensure_raw_inputs(), _paint_compact_raw_input_queue(), dt_drawlayer_paint_interpolate_path(), dt_drawlayer_paint_path_state_reset(), and dt_drawlayer_paint_queue_raw_input().

◆ sampled_arc_length

float dt_drawlayer_paint_stroke_t::sampled_arc_length

Cumulative arc position of last emitted sample.

Referenced by _emit_first_sample_if_needed(), _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), and dt_drawlayer_paint_finalize_path().

◆ smudge_height

int dt_drawlayer_paint_stroke_t::smudge_height

Smudge carry buffer height in pixels.

Referenced by dt_drawlayer_paint_runtime_ensure_smudge_pixels(), dt_drawlayer_paint_runtime_private_reset(), and dt_drawlayer_paint_runtime_smudge_height().

◆ smudge_pickup_x

float dt_drawlayer_paint_stroke_t::smudge_pickup_x

Smudge pickup center X in layer coordinates.

Referenced by dt_drawlayer_paint_runtime_get_smudge_pickup(), dt_drawlayer_paint_runtime_private_reset(), and dt_drawlayer_paint_runtime_set_smudge_pickup().

◆ smudge_pickup_y

float dt_drawlayer_paint_stroke_t::smudge_pickup_y

Smudge pickup center Y in layer coordinates.

Referenced by dt_drawlayer_paint_runtime_get_smudge_pickup(), dt_drawlayer_paint_runtime_private_reset(), and dt_drawlayer_paint_runtime_set_smudge_pickup().

◆ smudge_pixels

float* dt_drawlayer_paint_stroke_t::smudge_pixels

Smudge carry buffer (RGBA float, local dab footprint).

Referenced by dt_drawlayer_paint_runtime_ensure_smudge_pixels(), dt_drawlayer_paint_runtime_private_reset(), and dt_drawlayer_paint_runtime_smudge_pixels().

◆ smudge_width

int dt_drawlayer_paint_stroke_t::smudge_width

Smudge carry buffer width in pixels.

Referenced by dt_drawlayer_paint_runtime_ensure_smudge_pixels(), dt_drawlayer_paint_runtime_private_reset(), and dt_drawlayer_paint_runtime_smudge_width().

◆ stroke_arc_length

float dt_drawlayer_paint_stroke_t::stroke_arc_length

Cumulative raw-path arc length in layer coordinates.

Referenced by _paint_process_one_raw_input(), and _paint_reset_path_runtime_state().

◆ stroke_seed

uint64_t dt_drawlayer_paint_stroke_t::stroke_seed

Deterministic per-stroke seed (noise/sprinkles).

Referenced by _paint_process_one_raw_input(), _paint_reset_path_runtime_state(), dt_drawlayer_paint_runtime_get_stroke_seed(), and dt_drawlayer_paint_runtime_set_stroke_seed().

The documentation for this struct was generated from the following file: