polygon.c File Reference

#include "common/darktable.h"
#include "bauhaus/bauhaus.h"
#include "common/debug.h"
#include "common/imagebuf.h"
#include "common/undo.h"
#include "control/conf.h"
#include "develop/blend.h"
#include "develop/imageop.h"
#include "develop/masks.h"
#include "develop/openmp_maths.h"
#include "gui/actions/menu.h"
#include <assert.h>

Include dependency graph for polygon.c:

Macros
#define	HARDNESS_MIN   0.0005f
#define	HARDNESS_MAX   1.0f
#define	BORDER_MIN   0.00005f
#define	BORDER_MAX   0.5f
#define	POLYGON_MAX_SELF_INTERSECTIONS(nb_nodes)   ((nb_nodes) * 4)

Functions
static void	_polygon_bounding_box_raw (const float *const point_buffer, const float *border_buffer, const int corner_count, const int point_count, int border_count, float *x_min, float *x_max, float *y_min, float *y_max)
	Compute raw bounding box for polygon points and border samples.
static void	_polygon_get_XY (const float p0_x, const float p0_y, const float p1_x, const float p1_y, const float p2_x, const float p2_y, const float p3_x, const float p3_y, const float t, float *out_x, float *out_y)
	Evaluate a cubic Bezier at t in [0, 1].
static void	_polygon_border_get_XY (const float p0_x, const float p0_y, const float p1_x, const float p1_y, const float p2_x, const float p2_y, const float p3_x, const float p3_y, const float t, const float radius, float *center_x, float *center_y, float *border_x, float *border_y)
	Evaluate a cubic Bezier and its border offset at t in [0, 1].
static void	_polygon_ctrl2_to_handle (const float point_x, const float point_y, const float ctrl_x, const float ctrl_y, float *handle_x, float *handle_y, const gboolean clockwise)
	Convert control point #2 into a handle extremity.
static void	_polygon_handle_to_ctrl (const float point_x, const float point_y, const float handle_x, const float handle_y, float *ctrl1_x, float *ctrl1_y, float *ctrl2_x, float *ctrl2_y, const gboolean clockwise)
	Convert a handle extremity into symmetric Bezier control points.
static void	_polygon_catmull_to_bezier (const float x1, const float y1, const float x2, const float y2, const float x3, const float y3, const float x4, const float y4, float *bezier_x1, float *bezier_y1, float *bezier_x2, float *bezier_y2)
	Convert a Catmull-Rom segment to Bezier control points.
static void	_polygon_init_ctrl_points (dt_masks_form_t *mask_form)
	Initialize control points to match a Catmull-Rom-like spline.
static gboolean	_polygon_is_clockwise (dt_masks_form_t *mask_form)
	Determine polygon winding order.
static int	_polygon_fill_gaps (int last_x, int last_y, int target_x, int target_y, dt_masks_dynbuf_t *points)
	Fill gaps between two points with an integer Bresenham line.
static void	_polygon_points_recurs_border_gaps (float *center_max, float *border_min, float *border_min2, float *border_max, dt_masks_dynbuf_t *draw_points, dt_masks_dynbuf_t *draw_border, gboolean clockwise)
	Fill gaps between border points with a circular arc.
static gboolean	_is_within_pxl_threshold (float *min, float *max, int pixel_threshold)
static void	_polygon_points_recurs (float *segment_start, float *segment_end, double t_min, double t_max, float *polygon_min, float *polygon_max, float *border_min, float *border_max, float *result_polygon, float *result_border, dt_masks_dynbuf_t *draw_points, dt_masks_dynbuf_t *draw_border, int with_border, const int pixel_threshold)
	Recursive subdivision to sample polygon and border points.
static int	_polygon_find_self_intersection (dt_masks_dynbuf_t *intersections, int node_count, float *border_points, int border_point_count, int *intersection_count_out)
	Find all self-intersection segments in a polygon border.
static int	_polygon_get_pts_border (dt_develop_t *develop, dt_masks_form_t *mask_form, const double iop_order, const int transform_direction, dt_dev_pixelpipe_t *pipe, float **point_buffer, int *point_count, float **border_buffer, int *border_count, gboolean source)
	Build point and border buffers for a polygon mask.
static float	_polygon_get_position_in_segment (float point_x, float point_y, dt_masks_form_t *mask_form, int segment_index)
	Find the parametric position along a segment closest to a point.
static void	_add_node_to_segment (struct dt_iop_module_t *module, dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, int form_index)
static void	_polygon_translate_node (dt_masks_node_polygon_t *node, const float delta_x, const float delta_y)
static void	_polygon_translate_all_nodes (dt_masks_form_t *mask_form, const float delta_x, const float delta_y)
static int	_polygon_get_points_border (dt_develop_t *develop, dt_masks_form_t *mask_form, float **point_buffer, int *point_count, float **border_buffer, int *border_count, int source, const dt_iop_module_t *module)
static void	_polygon_get_sizes (struct dt_iop_module_t *module, dt_masks_form_t *mask_form, dt_masks_form_gui_t *mask_gui, int form_index, float *mask_size, float *border_size)
static gboolean	_polygon_form_gravity_center (const dt_masks_form_t *mask_form, float *center_x, float *center_y, float *area)
	Compute polygon centroid from the form nodes (normalized space).
static float	_polygon_get_interaction_value (const dt_masks_form_t *mask_form, dt_masks_interaction_t interaction)
static gboolean	_polygon_get_gravity_center (const dt_masks_form_t *mask_form, float center[2], float *area)
static int	_change_size (dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, struct dt_iop_module_t *module, int form_index, const float amount, const dt_masks_increment_t increment, const int flow)
	Scale the polygon around its centroid.
static int	_change_hardness (dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, struct dt_iop_module_t *module, int form_index, const float amount, const dt_masks_increment_t increment, int flow)
	Change polygon hardness for the active node scope or the full shape.
static float	_polygon_set_interaction_value (dt_masks_form_t *mask_form, dt_masks_interaction_t interaction, float value, dt_masks_increment_t increment, int flow, dt_masks_form_gui_t *mask_gui, struct dt_iop_module_t *module)
static void	_polygon_get_distance (float point_x, float point_y, float radius, dt_masks_form_gui_t *mask_gui, int form_index, int node_count, int *inside, int *inside_border, int *near, int *inside_source, float *dist)
	Compute proximity between a point and the polygon GUI shape.
static gboolean	_polygon_border_handle_cb (const dt_masks_form_gui_points_t *gui_points, int node_count, int node_index, float *handle_x, float *handle_y, void *user_data)
	Polygon-specific border handle lookup.
static void	_polygon_curve_handle_cb (const dt_masks_form_gui_points_t *gui_points, int node_index, float *handle_x, float *handle_y, void *user_data)
	Polygon-specific curve handle lookup (depends on winding direction).
static void	_polygon_distance_cb (float pointer_x, float pointer_y, float cursor_radius, dt_masks_form_gui_t *mask_gui, int form_index, int node_count, int *inside, int *inside_border, int *near, int *inside_source, float *dist, void *user_data)
	Polygon-specific inside/border/segment hit testing.
static int	_find_closest_handle (dt_masks_form_t *mask_form, dt_masks_form_gui_t *mask_gui, int form_index)
static void	_polygon_gui_gravity_center (const float *point_buffer, int point_count, float *center_x, float *center_y, float *area)
	Compute polygon centroid from GUI points using the shoelace formula.
static int	_init_hardness (dt_masks_form_t *mask_form, const float amount, const dt_masks_increment_t increment, const int flow, const float mask_size, const float border_size)
	Initialize hardness from config and emit the toast with a size-normalized percentage.
static int	_polygon_events_mouse_scrolled (struct dt_iop_module_t *module, double x, double y, int up, int flow, uint32_t state, dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, int form_index, dt_masks_interaction_t interaction)
	Handle mouse wheel updates for polygon size/hardness/opacity.
static int	_polygon_creation_closing_form (dt_masks_form_t *mask_form, dt_masks_form_gui_t *mask_gui)
	Close the polygon creation by removing the temporary last node.
static int	_polygon_events_button_pressed (struct dt_iop_module_t *module, double x, double y, double pressure, int which, int type, uint32_t state, dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, int form_index)
static int	_polygon_events_button_released (struct dt_iop_module_t *module, double x, double y, int which, uint32_t state, dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, int form_index)
static int	_polygon_events_key_pressed (struct dt_iop_module_t *module, GdkEventKey *event, dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, int form_index)
static int	_polygon_events_mouse_moved (struct dt_iop_module_t *module, double x, double y, double pressure, int which, dt_masks_form_t *mask_form, int parent_id, dt_masks_form_gui_t *mask_gui, int form_index)
	Polygon mouse-move handler.
static void	_polygon_draw_shape (cairo_t *cr, const float *point_buffer, const int point_count, const int node_count, const gboolean draw_border, const gboolean draw_source)
	Draw a polygon or border polyline, skipping NaN points.
static void	_polygon_events_post_expose (cairo_t *cr, float zoom_scale, dt_masks_form_gui_t *mask_gui, int form_index, int node_count)
	Draw polygon overlays (nodes, handles, borders, source) after exposure.
static void	_polygon_bounding_box (const float *const point_buffer, const float *border_buffer, const int corner_count, const int point_count, int border_count, int *width, int *height, int *posx, int *posy)
	Compute bounding box and add a small padding for rasterization safety.
static int	_get_area (const dt_iop_module_t *const module, dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const mask_form, int *width, int *height, int *posx, int *posy, gboolean get_source)
static int	_polygon_get_source_area (dt_iop_module_t *module, dt_dev_pixelpipe_t *pipe, dt_dev_pixelpipe_iop_t *piece, dt_masks_form_t *mask_form, int *width, int *height, int *posx, int *posy)
static int	_polygon_get_area (const dt_iop_module_t *const module, dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const mask_form, int *width, int *height, int *posx, int *posy)
void	_polygon_falloff (float *const restrict buffer, int *p0, int *p1, int posx, int posy, int buffer_width)
	Write a falloff segment into the mask buffer.
static int	_polygon_get_mask (const dt_iop_module_t *const module, dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const mask_form, float **buffer, int *width, int *height, int *posx, int *posy)
static int	_polygon_crop_to_roi (float *polygon, const int point_count, float xmin, float xmax, float ymin, float ymax)
static void	_polygon_falloff_roi (float *buffer, int *p0, int *p1, int bw, int bh)
static int	_polygon_get_mask_roi (const dt_iop_module_t *const module, dt_dev_pixelpipe_t *pipe, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const mask_form, const dt_iop_roi_t *roi, float *buffer)
static void	_polygon_sanitize_config (dt_masks_type_t type)
static void	_polygon_set_form_name (struct dt_masks_form_t *const mask_form, const size_t form_number)
	Assign a default name for a polygon form.
static void	_polygon_set_hint_message (const dt_masks_form_gui_t *const mask_gui, const dt_masks_form_t *const mask_form, const int opacity, char *const restrict msgbuf, const size_t msgbuf_len)
static void	_polygon_duplicate_points (dt_develop_t *const dev, dt_masks_form_t *const base, dt_masks_form_t *const dest)
static void	_polygon_initial_source_pos (const float iwd, const float iht, float *x, float *y)
static void	_polygon_creation_closing_form_callback (GtkWidget *widget, gpointer user_data)
static void	_polygon_switch_node_callback (GtkWidget *widget, gpointer user_data)
static void	_polygon_reset_round_node_callback (GtkWidget *widget, gpointer user_data)
static void	_polygon_add_node_callback (GtkWidget *menu, gpointer user_data)
static int	_polygon_populate_context_menu (GtkWidget *menu, struct dt_masks_form_t *mask_form, struct dt_masks_form_gui_t *mask_gui, const float pzx, const float pzy)

Variables
const dt_masks_functions_t	dt_masks_functions_polygon

Macro Definition Documentation

BORDER_MAX

#define BORDER_MAX   0.5f

BORDER_MIN

#define BORDER_MIN   0.00005f

HARDNESS_MAX

#define HARDNESS_MAX   1.0f

HARDNESS_MIN

#define HARDNESS_MIN   0.0005f

POLYGON_MAX_SELF_INTERSECTIONS

#define POLYGON_MAX_SELF_INTERSECTIONS

(

nb_nodes

)

((nb_nodes) * 4)

Function Documentation

_add_node_to_segment()

static void _add_node_to_segment ( struct dt_iop_module_t *  module, dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, int  form_index  )

static

References _polygon_get_position_in_segment(), _polygon_init_ctrl_points(), dt_masks_node_polygon_t::border, dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, darktable, darktable_t::develop, dt_free, dt_masks_gui_cursor_to_raw_norm(), dt_masks_gui_form_create(), dt_masks_gui_selected_segment_index(), DT_MASKS_POINT_STATE_NORMAL, FALSE, g_list_next_wraparound(), dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_hovered, dt_masks_form_gui_t::node_selected, dt_masks_form_gui_t::node_selected_idx, dt_masks_form_t::points, dt_masks_form_gui_t::seg_hovered, dt_masks_form_gui_t::seg_selected, dt_masks_node_polygon_t::state, t, and TRUE.

Referenced by _polygon_add_node_callback(), and _polygon_events_button_pressed().

_change_hardness()

static int _change_hardness ( dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, struct dt_iop_module_t *  module, int  form_index, const float  amount, const dt_masks_increment_t  increment, int  flow  )

static

Change polygon hardness for the active node scope or the full shape.

References _init_hardness(), _polygon_get_sizes(), dt_masks_node_polygon_t::border, CLAMPF, dt_masks_apply_increment_precomputed(), dt_masks_gui_change_affects_selected_node_or_all(), dt_masks_gui_form_create(), HARDNESS_MAX, HARDNESS_MIN, and dt_masks_form_t::points.

Referenced by _polygon_events_mouse_scrolled(), and _polygon_set_interaction_value().

_change_size()

static int _change_size ( dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, struct dt_iop_module_t *  module, int  form_index, const float  amount, const dt_masks_increment_t  increment, const int  flow  )

static

Scale the polygon around its centroid.

This preserves each node's local control-point offsets so the curve shape scales uniformly with the polygon size.

References _polygon_form_gravity_center(), _polygon_get_sizes(), dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, dt_masks_gui_change_affects_selected_node_or_all(), dt_masks_gui_form_create(), DT_MASKS_INCREMENT_ABSOLUTE, DT_MASKS_INCREMENT_OFFSET, DT_MASKS_INCREMENT_SCALE, dt_toast_log(), dt_masks_node_polygon_t::node, and dt_masks_form_t::points.

Referenced by _polygon_events_mouse_scrolled(), and _polygon_set_interaction_value().

_find_closest_handle()

static int _find_closest_handle ( dt_masks_form_t *  mask_form, dt_masks_form_gui_t *  mask_gui, int  form_index  )

static

References _polygon_border_handle_cb(), _polygon_curve_handle_cb(), _polygon_distance_cb(), and dt_masks_find_closest_handle_common().

_get_area()

static int _get_area ( const dt_iop_module_t *const  module, dt_dev_pixelpipe_t *  pipe, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  mask_form, int *  width, int *  height, int *  posx, int *  posy, gboolean  get_source  )

static

References _polygon_bounding_box(), _polygon_get_pts_border(), dt_iop_module_t::dev, DT_DEV_TRANSFORM_DIR_BACK_INCL, dt_pixelpipe_cache_free_align, height, dt_iop_module_t::iop_order, dt_masks_form_t::points, and width.

Referenced by _polygon_get_area(), and _polygon_get_source_area().

_init_hardness()

static int _init_hardness ( dt_masks_form_t *  mask_form, const float  amount, const dt_masks_increment_t  increment, const int  flow, const float  mask_size, const float  border_size  )

static

Initialize hardness from config and emit the toast with a size-normalized percentage.

References dt_masks_get_set_conf_value(), dt_toast_log(), HARDNESS_MAX, and HARDNESS_MIN.

Referenced by _change_hardness().

_is_within_pxl_threshold()

static gboolean _is_within_pxl_threshold ( float *  min, float *  max, int  pixel_threshold  )

inlinestatic

References max, and min.

Referenced by _polygon_points_recurs().

_polygon_add_node_callback()

static void _polygon_add_node_callback ( GtkWidget *  menu, gpointer  user_data  )

static

References _add_node_to_segment(), darktable, darktable_t::develop, dt_masks_form_get_selected_group(), dt_masks_get_from_id(), dt_masks_get_visible_form(), dt_masks_form_group_t::formid, dt_masks_form_gui_t::group_selected, and dt_masks_form_group_t::parentid.

Referenced by _polygon_populate_context_menu().

_polygon_border_get_XY()

static void _polygon_border_get_XY ( const float  p0_x, const float  p0_y, const float  p1_x, const float  p1_y, const float  p2_x, const float  p2_y, const float  p3_x, const float  p3_y, const float  t, const float  radius, float *  center_x, float *  center_y, float *  border_x, float *  border_y  )

static

Evaluate a cubic Bezier and its border offset at t in [0, 1].

The border point is offset along the normal, scaled by rad.

References _polygon_get_XY(), a, b, c, d, double(), and t.

Referenced by _polygon_get_pts_border(), and _polygon_points_recurs().

_polygon_border_handle_cb()

static gboolean _polygon_border_handle_cb ( const dt_masks_form_gui_points_t *  gui_points, int  node_count, int  node_index, float *  handle_x, float *  handle_y, void *  user_data  )

static

Polygon-specific border handle lookup.

Polygon borders are stored directly in gui_points->border at node indices.

References dt_masks_form_gui_points_t::border, and FALSE.

Referenced by _find_closest_handle().

_polygon_bounding_box()

static void _polygon_bounding_box ( const float *const  point_buffer, const float *  border_buffer, const int  corner_count, const int  point_count, int  border_count, int *  width, int *  height, int *  posx, int *  posy  )

static

Compute bounding box and add a small padding for rasterization safety.

References _polygon_bounding_box_raw(), height, and width.

Referenced by _get_area(), and _polygon_get_mask().

_polygon_bounding_box_raw()

static void _polygon_bounding_box_raw ( const float *const  point_buffer, const float *  border_buffer, const int  corner_count, const int  point_count, int  border_count, float *  x_min, float *  x_max, float *  y_min, float *  y_max  )

static

Compute raw bounding box for polygon points and border samples.

References MAX, and MIN.

Referenced by _polygon_bounding_box(), and _polygon_get_mask_roi().

_polygon_catmull_to_bezier()

static void _polygon_catmull_to_bezier ( const float  x1, const float  y1, const float  x2, const float  y2, const float  x3, const float  y3, const float  x4, const float  y4, float *  bezier_x1, float *  bezier_y1, float *  bezier_x2, float *  bezier_y2  )

static

Convert a Catmull-Rom segment to Bezier control points.

Referenced by _polygon_init_ctrl_points().

_polygon_creation_closing_form()

static int _polygon_creation_closing_form ( dt_masks_form_t *  mask_form, dt_masks_form_gui_t *  mask_gui  )

static

Close the polygon creation by removing the temporary last node.

References _polygon_init_ctrl_points(), dt_masks_form_gui_t::creation_module, darktable, darktable_t::develop, dt_free, dt_masks_gui_form_save_creation(), dt_toast_log(), g_list_shorter_than(), dt_masks_form_gui_t::node_dragging, and dt_masks_form_t::points.

Referenced by _polygon_creation_closing_form_callback(), _polygon_events_button_pressed(), and _polygon_events_key_pressed().

_polygon_creation_closing_form_callback()

static void _polygon_creation_closing_form_callback ( GtkWidget *  widget, gpointer  user_data  )

static

References _polygon_creation_closing_form(), darktable, darktable_t::develop, and dt_masks_get_visible_form().

Referenced by _polygon_populate_context_menu().

_polygon_crop_to_roi()

static int _polygon_crop_to_roi ( float *  polygon, const int  point_count, float  xmin, float  xmax, float  ymin, float  ymax  )

static

crop polygon to roi given by xmin, xmax, ymin, ymax. polygon segments outside of roi are replaced by nodes lying on roi borders.

References delta, dt_free, n, r, and x.

Referenced by _polygon_get_mask_roi().

_polygon_ctrl2_to_handle()

static void _polygon_ctrl2_to_handle ( const float  point_x, const float  point_y, const float  ctrl_x, const float  ctrl_y, float *  handle_x, float *  handle_y, const gboolean  clockwise  )

static

Convert control point #2 into a handle extremity.

The values are expected in orthonormal space.

Referenced by _polygon_curve_handle_cb(), _polygon_events_button_pressed(), and _polygon_events_post_expose().

_polygon_curve_handle_cb()

static void _polygon_curve_handle_cb ( const dt_masks_form_gui_points_t *  gui_points, int  node_index, float *  handle_x, float *  handle_y, void *  user_data  )

static

Polygon-specific curve handle lookup (depends on winding direction).

References _polygon_ctrl2_to_handle(), dt_masks_form_gui_points_t::clockwise, and dt_masks_form_gui_points_t::points.

Referenced by _find_closest_handle().

_polygon_distance_cb()

static void _polygon_distance_cb ( float  pointer_x, float  pointer_y, float  cursor_radius, dt_masks_form_gui_t *  mask_gui, int  form_index, int  node_count, int *  inside, int *  inside_border, int *  near, int *  inside_source, float *  dist, void *  user_data  )

static

Polygon-specific inside/border/segment hit testing.

References _polygon_get_distance(), and dist().

Referenced by _find_closest_handle().

_polygon_draw_shape()

static void _polygon_draw_shape ( cairo_t *  cr, const float *  point_buffer, const int  point_count, const int  node_count, const gboolean  draw_border, const gboolean  draw_source  )

static

Draw a polygon or border polyline, skipping NaN points.

Todo:

: Why not just avoid having NaN points in the array?

_polygon_duplicate_points()

static void _polygon_duplicate_points ( dt_develop_t *const  dev, dt_masks_form_t *const  base, dt_masks_form_t *const  dest  )

static

References dt_masks_duplicate_points().

_polygon_events_button_pressed()

static int _polygon_events_button_pressed ( struct dt_iop_module_t *  module, double  x, double  y, double  pressure, int  which, int  type, uint32_t  state, dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, int  form_index  )

static

References _add_node_to_segment(), _polygon_creation_closing_form(), _polygon_ctrl2_to_handle(), _polygon_init_ctrl_points(), dt_masks_node_polygon_t::border, dt_masks_form_gui_points_t::border, dt_masks_form_gui_points_t::clockwise, dt_masks_form_gui_t::creation, dt_masks_form_gui_t::creation_closing_form, dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, darktable, dt_masks_form_gui_t::delta, darktable_t::develop, dt_conf_get_float(), DT_MASKS_CLONE, DT_MASKS_EDIT_FULL, dt_masks_gui_cursor_to_raw_norm(), dt_masks_gui_form_create(), dt_masks_node_is_cusp(), DT_MASKS_POINT_STATE_NORMAL, DT_MASKS_POINT_STATE_USER, dt_masks_set_source_pos_initial_state(), dt_masks_set_source_pos_initial_value(), dt_masks_toggle_bezier_node_type(), dt_modifier_is(), dt_masks_form_gui_t::edit_mode, dt_masks_form_gui_t::form_selected, dt_masks_form_gui_t::handle_border_hovered, dt_masks_form_gui_t::handle_hovered, HARDNESS_MAX, HARDNESS_MIN, MAX, MIN, dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_dragging, dt_masks_form_gui_t::node_hovered, dt_masks_form_gui_t::node_selected, dt_masks_form_gui_t::node_selected_idx, dt_masks_form_t::points, dt_masks_form_gui_points_t::points, dt_masks_form_gui_t::points, dt_masks_form_gui_t::pos, dt_masks_form_gui_t::seg_hovered, dt_masks_form_t::source, dt_masks_form_gui_points_t::source, dt_masks_form_gui_t::source_selected, dt_masks_node_polygon_t::state, TRUE, type, and dt_masks_form_t::type.

_polygon_events_button_released()

static int _polygon_events_button_released ( struct dt_iop_module_t *  module, double  x, double  y, int  which, uint32_t  state, dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, int  form_index  )

static

References dt_masks_form_gui_t::creation, and dt_masks_gui_is_dragging().

_polygon_events_key_pressed()

static int _polygon_events_key_pressed ( struct dt_iop_module_t *  module, GdkEventKey *  event, dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, int  form_index  )

static

References _polygon_creation_closing_form(), dt_masks_form_gui_t::creation, darktable, darktable_t::develop, dt_dev_pixelpipe_update_history_preview, dt_masks_form_cancel_creation(), dt_masks_remove_node(), dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_dragging, and dt_masks_form_t::points.

_polygon_events_mouse_moved()

static int _polygon_events_mouse_moved ( struct dt_iop_module_t *  module, double  x, double  y, double  pressure, int  which, dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, int  form_index  )

static

Polygon mouse-move handler.

Widget-space coordinates are only used by the top-level dispatcher. Absolute output-image coordinates come from mask_gui->pos, normalized output-image coordinates come from mask_gui->rel_pos, and raw-space edits are derived locally through the appropriate backtransform helper.

References _polygon_handle_to_ctrl(), _polygon_init_ctrl_points(), _polygon_is_clockwise(), _polygon_translate_all_nodes(), _polygon_translate_node(), dt_masks_node_polygon_t::border, dt_masks_form_gui_points_t::border, dt_masks_form_gui_points_t::clockwise, dt_masks_form_gui_t::creation, dt_masks_form_gui_t::creation_closing_form, dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, darktable, darktable_t::develop, dt_dev_coordinates_image_abs_to_raw_norm(), DT_GUI_MOUSE_EFFECT_RADIUS_SCALED, dt_masks_border_from_projected_handle(), DT_MASKS_CLONE, dt_masks_gui_delta_from_raw_anchor(), dt_masks_gui_delta_to_image_abs(), dt_masks_gui_delta_to_raw_norm(), dt_masks_gui_form_create(), dt_masks_gui_form_create_throttled(), DT_MASKS_POINT_STATE_USER, dt_masks_project_on_line(), dt_masks_set_ctrl_points(), dt_masks_translate_source(), dt_masks_form_gui_t::form_dragging, g_list_next_wraparound(), g_list_shorter_than(), dt_masks_form_gui_t::handle_border_dragging, dt_masks_form_gui_t::handle_dragging, dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_dragging, p, dt_masks_form_t::points, dt_masks_form_gui_points_t::points, dt_masks_form_gui_t::points, dt_masks_form_gui_t::pos, dt_develop_t::raw_height, dt_develop_t::raw_width, dt_develop_t::roi, dt_masks_form_gui_t::seg_dragging, dt_masks_form_t::source, dt_masks_form_gui_t::source_dragging, dt_masks_node_polygon_t::state, and dt_masks_form_t::type.

_polygon_events_mouse_scrolled()

static int _polygon_events_mouse_scrolled ( struct dt_iop_module_t *  module, double  x, double  y, int  up, int  flow, uint32_t  state, dt_masks_form_t *  mask_form, int  parent_id, dt_masks_form_gui_t *  mask_gui, int  form_index, dt_masks_interaction_t  interaction  )

static

Handle mouse wheel updates for polygon size/hardness/opacity.

References _change_hardness(), _change_size(), dt_masks_form_gui_t::creation, DT_MASKS_EDIT_FULL, dt_masks_form_change_opacity(), DT_MASKS_INCREMENT_OFFSET, DT_MASKS_INCREMENT_SCALE, dt_masks_is_anything_selected(), dt_modifier_is(), dt_masks_form_gui_t::edit_mode, and dt_masks_form_gui_t::node_selected.

_polygon_events_post_expose()

static void _polygon_events_post_expose ( cairo_t *  cr, float  zoom_scale, dt_masks_form_gui_t *  mask_gui, int  form_index, int  node_count  )

static

Draw polygon overlays (nodes, handles, borders, source) after exposure.

References _polygon_ctrl2_to_handle(), _polygon_gui_gravity_center(), _polygon_is_clockwise(), dt_masks_form_gui_points_t::border, dt_masks_form_gui_points_t::border_count, dt_masks_form_gui_t::border_selected, dt_masks_form_gui_points_t::clockwise, dt_masks_form_gui_t::creation, darktable, darktable_t::develop, dt_masks_functions_t::draw_shape, dt_draw_handle(), dt_draw_node(), dt_draw_shape_lines(), DT_MASKS_CLONE, DT_MASKS_DASH_STICK, dt_masks_draw_path_seg_by_seg(), dt_masks_draw_source(), dt_masks_draw_source_preview(), dt_masks_functions_polygon, dt_masks_get_from_id(), dt_masks_get_visible_form(), dt_masks_gui_selected_handle_border_index(), dt_masks_gui_selected_handle_index(), dt_masks_gui_selected_node_index(), DT_MASKS_IS_RETOUCHE, dt_masks_node_is_cusp(), FALSE, dt_masks_form_group_t::formid, dt_masks_form_gui_t::group_selected, dt_masks_form_gui_t::handle_border_hovered, dt_masks_form_gui_t::handle_hovered, dt_masks_form_gui_t::handle_selected, dt_masks_gui_center_point_t::main, dt_masks_form_gui_t::node_dragging, dt_masks_form_gui_t::node_hovered, dt_masks_form_gui_t::node_selected, dt_masks_form_t::points, dt_masks_form_gui_points_t::points, dt_masks_form_gui_t::points, dt_masks_form_gui_points_t::points_count, dt_masks_form_gui_t::pos, dt_masks_form_gui_points_t::source, dt_masks_gui_center_point_t::source, dt_masks_form_gui_points_t::source_count, TRUE, dt_masks_form_t::type, dt_masks_form_gui_t::type, x, dt_masks_gui_center_point_t::x, and dt_masks_gui_center_point_t::y.

_polygon_falloff()

void _polygon_falloff	(	float *const restrict	buffer,
		int *	p0,
		int *	p1,
		int	posx,
		int	posy,
		int	buffer_width
	)

Write a falloff segment into the mask buffer.

References i, sqf(), and x.

Referenced by _polygon_get_mask().

_polygon_falloff_roi()

static void _polygon_falloff_roi ( float *  buffer, int *  p0, int *  p1, int  bw, int  bh  )

inlinestatic

we write a falloff segment respecting limits of buffer

References i, MAX, and x.

Referenced by _polygon_get_mask_roi().

_polygon_fill_gaps()

static int _polygon_fill_gaps ( int  last_x, int  last_y, int  target_x, int  target_y, dt_masks_dynbuf_t *  points  )

static

Fill gaps between two points with an integer Bresenham line.

This avoids repeated floating-point division and rounding errors.

References dt_masks_dynbuf_add_2(), and dt_masks_dynbuf_reset().

Referenced by _polygon_find_self_intersection().

_polygon_find_self_intersection()

static int _polygon_find_self_intersection ( dt_masks_dynbuf_t *  intersections, int  node_count, float *  border_points, int  border_point_count, int *  intersection_count_out  )

static

Find all self-intersection segments in a polygon border.

References _polygon_fill_gaps(), dt_masks_dynbuf_add_2(), dt_masks_dynbuf_buffer(), dt_masks_dynbuf_free(), dt_masks_dynbuf_get(), dt_masks_dynbuf_init(), dt_masks_dynbuf_position(), dt_masks_dynbuf_set(), dt_pixelpipe_cache_alloc_align_cache, dt_pixelpipe_cache_free_align, i, and POLYGON_MAX_SELF_INTERSECTIONS.

Referenced by _polygon_get_pts_border().

_polygon_form_gravity_center()

static gboolean _polygon_form_gravity_center ( const dt_masks_form_t *  mask_form, float *  center_x, float *  center_y, float *  surface  )

static

Compute polygon centroid from the form nodes (normalized space).

References FALSE, g_list_next_wraparound(), g_list_shorter_than(), dt_masks_node_polygon_t::node, dt_masks_form_t::points, and TRUE.

Referenced by _change_size().

_polygon_get_area()

static int _polygon_get_area ( const dt_iop_module_t *const  module, dt_dev_pixelpipe_t *  pipe, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  mask_form, int *  width, int *  height, int *  posx, int *  posy  )

static

References _get_area(), FALSE, height, and width.

_polygon_get_distance()

static void _polygon_get_distance ( float  point_x, float  point_y, float  radius, dt_masks_form_gui_t *  mask_gui, int  form_index, int  node_count, int *  inside, int *  inside_border, int *  near, int *  inside_source, float *  dist  )

static

Compute proximity between a point and the polygon GUI shape.

References dt_masks_form_gui_points_t::border, dt_masks_form_gui_points_t::border_count, dist(), dt_masks_point_in_form_exact(), i, dt_masks_form_gui_points_t::points, dt_masks_form_gui_t::points, dt_masks_form_gui_points_t::points_count, dt_masks_form_gui_points_t::source, dt_masks_form_gui_points_t::source_count, and sqf().

Referenced by _polygon_distance_cb().

_polygon_get_gravity_center()

static gboolean _polygon_get_gravity_center ( const dt_masks_form_t *  mask_form, float  center[2], float *  area  )

static

References dt_alloc_align_float(), dt_free_align, dt_masks_center_of_gravity_from_points(), FALSE, i, dt_masks_node_polygon_t::node, and dt_masks_form_t::points.

_polygon_get_interaction_value()

static float _polygon_get_interaction_value ( const dt_masks_form_t *  mask_form, dt_masks_interaction_t  interaction  )

static

References dt_masks_node_polygon_t::border, dt_masks_get_form_size_from_nodes(), DT_MASKS_INTERACTION_HARDNESS, DT_MASKS_INTERACTION_SIZE, dt_masks_form_t::points, and size.

Referenced by _polygon_set_interaction_value().

_polygon_get_mask()

static int _polygon_get_mask ( const dt_iop_module_t *const  module, dt_dev_pixelpipe_t *  pipe, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  mask_form, float **  buffer, int *  width, int *  height, int *  posx, int *  posy  )

static

References _polygon_bounding_box(), _polygon_falloff(), _polygon_get_pts_border(), darktable, dt_iop_module_t::dev, DT_DEBUG_MASKS, DT_DEBUG_PERF, dt_dev_pixelpipe_has_preview_output(), DT_DEV_PIXELPIPE_THUMBNAIL, DT_DEV_TRANSFORM_DIR_BACK_INCL, dt_get_wtime(), dt_pixelpipe_cache_alloc_align_float_cache, dt_pixelpipe_cache_free_align, dt_print(), FALSE, height, i, dt_iop_module_t::iop_order, dt_masks_form_t::name, dt_masks_form_t::points, row, t, TRUE, dt_dev_pixelpipe_t::type, darktable_t::unmuted, v, and width.

_polygon_get_mask_roi()

static int _polygon_get_mask_roi ( const dt_iop_module_t *const  module, dt_dev_pixelpipe_t *  pipe, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  mask_form, const dt_iop_roi_t *  roi, float *  buffer  )

static

References _polygon_bounding_box_raw(), _polygon_crop_to_roi(), _polygon_falloff_roi(), _polygon_get_pts_border(), darktable, dt_iop_module_t::dev, DT_DEBUG_MASKS, DT_DEBUG_PERF, dt_dev_pixelpipe_has_preview_output(), DT_DEV_PIXELPIPE_THUMBNAIL, DT_DEV_TRANSFORM_DIR_BACK_INCL, dt_get_wtime(), dt_pixelpipe_cache_alloc_align_cache, dt_pixelpipe_cache_alloc_align_float_cache, dt_pixelpipe_cache_free_align, dt_print(), FALSE, height, dt_iop_roi_t::height, i, dt_iop_module_t::iop_order, m, MAX, MIN, n, dt_masks_form_t::name, dt_masks_form_t::points, row, dt_iop_roi_t::scale, t, TRUE, dt_dev_pixelpipe_t::type, darktable_t::unmuted, v, width, dt_iop_roi_t::width, x, dt_iop_roi_t::x, and dt_iop_roi_t::y.

_polygon_get_points_border()

static int _polygon_get_points_border ( dt_develop_t *  develop, dt_masks_form_t *  mask_form, float **  point_buffer, int *  point_count, float **  border_buffer, int *  border_count, int  source, const dt_iop_module_t *  module  )

static

References _polygon_get_pts_border(), DT_DEV_TRANSFORM_DIR_ALL, dt_iop_module_t::iop_order, and dt_develop_t::virtual_pipe.

_polygon_get_position_in_segment()

static float _polygon_get_position_in_segment ( float  point_x, float  point_y, dt_masks_form_t *  mask_form, int  segment_index  )

static

Find the parametric position along a segment closest to a point.

We only need 1% precision, so we use exhaustive sampling.

References _polygon_get_XY(), dist(), g_list_next_bounded(), i, dt_masks_node_polygon_t::node, dt_masks_form_t::points, and t.

Referenced by _add_node_to_segment().

_polygon_get_pts_border()

static int _polygon_get_pts_border ( dt_develop_t *  develop, dt_masks_form_t *  mask_form, const double  iop_order, const int  transform_direction, dt_dev_pixelpipe_t *  pipe, float **  point_buffer, int *  point_count, float **  border_buffer, int *  border_count, gboolean  source  )

static

Build point and border buffers for a polygon mask.

This handles gaps, self-intersections, and optional iop distortion transforms.

References _polygon_border_get_XY(), _polygon_find_self_intersection(), _polygon_is_clockwise(), _polygon_points_recurs(), _polygon_points_recurs_border_gaps(), dt_masks_node_polygon_t::border, dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, darktable, darktable_t::develop, DT_DEBUG_MASKS, DT_DEBUG_PERF, dt_dev_distort_transform_plus(), dt_dev_pixelpipe_has_preview_output(), DT_DEV_PIXELPIPE_THUMBNAIL, DT_DEV_TRANSFORM_DIR_ALL, DT_DEV_TRANSFORM_DIR_BACK_EXCL, DT_DEV_TRANSFORM_DIR_FORW_INCL, dt_get_wtime(), dt_masks_dynbuf_add_2(), dt_masks_dynbuf_add_zeros(), dt_masks_dynbuf_buffer(), dt_masks_dynbuf_free(), dt_masks_dynbuf_get(), dt_masks_dynbuf_harvest(), dt_masks_dynbuf_init(), dt_masks_dynbuf_position(), dt_masks_dynbuf_reserve_n(), dt_masks_dynbuf_set(), dt_pixelpipe_cache_alloc_align_float_cache, dt_pixelpipe_cache_free_align, dt_print(), g_list_next_wraparound(), i, dt_dev_pixelpipe_t::iheight, dt_dev_pixelpipe_t::iwidth, MAX, MIN, dt_masks_form_t::name, dt_masks_node_polygon_t::node, dt_masks_form_t::points, dt_masks_form_t::source, dt_dev_pixelpipe_t::type, darktable_t::unmuted, and v.

Referenced by _get_area(), _polygon_get_mask(), _polygon_get_mask_roi(), and _polygon_get_points_border().

_polygon_get_sizes()

static void _polygon_get_sizes ( struct dt_iop_module_t *  module, dt_masks_form_t *  mask_form, dt_masks_form_gui_t *  mask_gui, int  form_index, float *  mask_size, float *  border_size  )

static

References dt_masks_form_gui_points_t::border, darktable, darktable_t::develop, dt_dev_coordinates_preview_abs_to_image_norm(), fx, i, dt_masks_form_t::points, dt_masks_form_gui_points_t::points, dt_masks_form_gui_t::points, dt_masks_form_gui_points_t::points_count, and x.

Referenced by _change_hardness(), and _change_size().

_polygon_get_source_area()

static int _polygon_get_source_area ( dt_iop_module_t *  module, dt_dev_pixelpipe_t *  pipe, dt_dev_pixelpipe_iop_t *  piece, dt_masks_form_t *  mask_form, int *  width, int *  height, int *  posx, int *  posy  )

static

References _get_area(), height, TRUE, and width.

_polygon_get_XY()

static void _polygon_get_XY ( const float  p0_x, const float  p0_y, const float  p1_x, const float  p1_y, const float  p2_x, const float  p2_y, const float  p3_x, const float  p3_y, const float  t, float *  out_x, float *  out_y  )

static

Evaluate a cubic Bezier at t in [0, 1].

Uses the four control points (p0..p3) and returns the interpolated point.

References a, b, c, d, and t.

Referenced by _polygon_border_get_XY(), and _polygon_get_position_in_segment().

_polygon_gui_gravity_center()

static void _polygon_gui_gravity_center ( const float *  point_buffer, int  point_count, float *  center_x, float *  center_y, float *  area  )

static

Compute polygon centroid from GUI points using the shoelace formula.

This treats the polygon as simple and closed, using the node positions only (no border points). The area is returned with sign (clockwise vs counter).

Referenced by _polygon_events_post_expose().

_polygon_handle_to_ctrl()

static void _polygon_handle_to_ctrl ( const float  point_x, const float  point_y, const float  handle_x, const float  handle_y, float *  ctrl1_x, float *  ctrl1_y, float *  ctrl2_x, float *  ctrl2_y, const gboolean  clockwise  )

static

Convert a handle extremity into symmetric Bezier control points.

The values are expected in orthonormal space.

Referenced by _polygon_events_mouse_moved().

_polygon_init_ctrl_points()

static void _polygon_init_ctrl_points ( dt_masks_form_t *  mask_form )

static

Initialize control points to match a Catmull-Rom-like spline.

Only points in DT_MASKS_POINT_STATE_NORMAL are regenerated.

References _polygon_catmull_to_bezier(), dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, dt_free, DT_MASKS_POINT_STATE_NORMAL, dt_masks_node_polygon_t::node, dt_masks_form_t::points, and dt_masks_node_polygon_t::state.

Referenced by _add_node_to_segment(), _polygon_creation_closing_form(), _polygon_events_button_pressed(), and _polygon_events_mouse_moved().

_polygon_initial_source_pos()

static void _polygon_initial_source_pos ( const float  iwd, const float  iht, float *  x, float *  y  )

static

References darktable, darktable_t::develop, dt_dev_coordinates_raw_norm_to_raw_abs(), and x.

_polygon_is_clockwise()

static gboolean _polygon_is_clockwise ( dt_masks_form_t *  mask_form )

static

Determine polygon winding order.

Returns TRUE when points are clockwise in normalized space.

References g_list_next_wraparound(), g_list_shorter_than(), dt_masks_node_polygon_t::node, dt_masks_form_t::points, and TRUE.

Referenced by _polygon_events_mouse_moved(), _polygon_events_post_expose(), _polygon_get_pts_border(), and _polygon_reset_round_node_callback().

_polygon_points_recurs()

static void _polygon_points_recurs ( float *  segment_start, float *  segment_end, double  t_min, double  t_max, float *  polygon_min, float *  polygon_max, float *  border_min, float *  border_max, float *  result_polygon, float *  result_border, dt_masks_dynbuf_t *  draw_points, dt_masks_dynbuf_t *  draw_border, int  with_border, const int  pixel_threshold  )

static

Recursive subdivision to sample polygon and border points.

This avoids large gaps by subdividing until points are within a pixel threshold.

References _is_within_pxl_threshold(), _polygon_border_get_XY(), _polygon_points_recurs(), and dt_masks_dynbuf_add_2().

Referenced by _polygon_get_pts_border(), and _polygon_points_recurs().

_polygon_points_recurs_border_gaps()

static void _polygon_points_recurs_border_gaps ( float *  center_max, float *  border_min, float *  border_min2, float *  border_max, dt_masks_dynbuf_t *  draw_points, dt_masks_dynbuf_t *  draw_border, gboolean  clockwise  )

static

Fill gaps between border points with a circular arc.

This is used when the border has gaps, especially near sharp nodes.

References dt_masks_dynbuf_reserve_n(), and M_PI.

Referenced by _polygon_get_pts_border().

_polygon_populate_context_menu()

static int _polygon_populate_context_menu ( GtkWidget *  menu, struct dt_masks_form_t *  mask_form, struct dt_masks_form_gui_t *  mask_gui, const float  pzx, const float  pzy  )

static

References _masks_gui_delete_node_callback(), _polygon_add_node_callback(), _polygon_creation_closing_form_callback(), _polygon_reset_round_node_callback(), _polygon_switch_node_callback(), dt_masks_form_gui_t::creation, ctx_gtk_menu_item_new_with_icon_and_shortcut(), ctx_gtk_menu_item_new_with_markup(), ctx_gtk_menu_item_new_with_markup_and_shortcut(), dt_free, dt_masks_node_is_cusp(), DT_MENU_ICON_CIRCLE, DT_MENU_ICON_SQUARE, FALSE, g_list_shorter_than(), dt_masks_form_gui_t::group_selected, menu_item_set_fake_accel, dt_masks_form_gui_t::node_hovered, dt_masks_form_t::points, dt_masks_form_gui_t::points, dt_masks_form_gui_t::seg_selected, and TRUE.

_polygon_reset_round_node_callback()

static void _polygon_reset_round_node_callback ( GtkWidget *  widget, gpointer  user_data  )

static

References _polygon_is_clockwise(), dt_masks_form_gui_points_t::clockwise, darktable, darktable_t::develop, dt_masks_get_from_id(), dt_masks_gui_selected_handle_index(), dt_masks_reset_bezier_ctrl_points(), dt_masks_form_gui_t::formid, dt_masks_form_gui_t::group_selected, MAX, dt_masks_form_gui_t::node_hovered, dt_masks_form_gui_t::node_selected, dt_masks_form_gui_t::node_selected_idx, dt_masks_form_t::points, dt_masks_form_gui_t::points, dt_masks_node_polygon_t::state, and TRUE.

Referenced by _polygon_populate_context_menu().

_polygon_sanitize_config()

static void _polygon_sanitize_config ( dt_masks_type_t  type )

static

_polygon_set_form_name()

static void _polygon_set_form_name ( struct dt_masks_form_t *const  mask_form, const size_t  form_number  )

static

Assign a default name for a polygon form.

References dt_masks_form_t::name.

_polygon_set_hint_message()

static void _polygon_set_hint_message ( const dt_masks_form_gui_t *const  mask_gui, const dt_masks_form_t *const  mask_form, const int  opacity, char *const restrict  msgbuf, const size_t  msgbuf_len  )

static

References dt_masks_form_gui_t::creation, dt_masks_form_gui_t::form_selected, dt_masks_form_gui_t::handle_selected, dt_masks_form_gui_t::node_hovered, dt_masks_form_gui_t::node_selected, dt_masks_form_t::points, and dt_masks_form_gui_t::seg_selected.

_polygon_set_interaction_value()

static float _polygon_set_interaction_value ( dt_masks_form_t *  mask_form, dt_masks_interaction_t  interaction, float  value, dt_masks_increment_t  increment, int  flow, dt_masks_form_gui_t *  mask_gui, struct dt_iop_module_t *  module  )

static

References _change_hardness(), _change_size(), _polygon_get_interaction_value(), DT_MASKS_INTERACTION_HARDNESS, DT_MASKS_INTERACTION_SIZE, and value.

_polygon_switch_node_callback()

static void _polygon_switch_node_callback ( GtkWidget *  widget, gpointer  user_data  )

static

References dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, darktable, darktable_t::develop, dt_masks_get_from_id(), dt_masks_gui_selected_node_index(), dt_masks_toggle_bezier_node_type(), dt_masks_form_gui_t::formid, dt_masks_form_gui_t::group_selected, dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_hovered, dt_masks_form_gui_t::node_selected, dt_masks_form_gui_t::node_selected_idx, dt_masks_form_t::points, dt_masks_form_gui_t::points, dt_masks_node_polygon_t::state, and TRUE.

Referenced by _polygon_populate_context_menu().

_polygon_translate_all_nodes()

static void _polygon_translate_all_nodes ( dt_masks_form_t *  mask_form, const float  delta_x, const float  delta_y  )

static

References _polygon_translate_node(), and dt_masks_form_t::points.

Referenced by _polygon_events_mouse_moved().

_polygon_translate_node()

static void _polygon_translate_node ( dt_masks_node_polygon_t *  node, const float  delta_x, const float  delta_y  )

inlinestatic

References dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, dt_masks_translate_ctrl_node(), and dt_masks_node_polygon_t::node.

Referenced by _polygon_events_mouse_moved(), and _polygon_translate_all_nodes().

Variable Documentation

dt_masks_functions_polygon

const dt_masks_functions_t dt_masks_functions_polygon

Initial value:

= {
  .point_struct_size = sizeof(struct dt_masks_node_polygon_t),
  .sanitize_config = _polygon_sanitize_config,
  .set_form_name = _polygon_set_form_name,
  .set_hint_message = _polygon_set_hint_message,
  .duplicate_points = _polygon_duplicate_points,
  .initial_source_pos = _polygon_initial_source_pos,
  .get_distance = _polygon_get_distance,
  .get_points_border = _polygon_get_points_border,
  .get_mask = _polygon_get_mask,
  .get_mask_roi = _polygon_get_mask_roi,
  .get_area = _polygon_get_area,
  .get_source_area = _polygon_get_source_area,
  .get_gravity_center = _polygon_get_gravity_center,
  .get_interaction_value = _polygon_get_interaction_value,
  .set_interaction_value = _polygon_set_interaction_value,
  .update_hover = _find_closest_handle,
  .mouse_moved = _polygon_events_mouse_moved,
  .mouse_scrolled = _polygon_events_mouse_scrolled,
  .button_pressed = _polygon_events_button_pressed,
  .button_released = _polygon_events_button_released,
  .key_pressed = _polygon_events_key_pressed,
  .post_expose = _polygon_events_post_expose,
  .draw_shape = _polygon_draw_shape,
  .init_ctrl_points = _polygon_init_ctrl_points,
  .populate_context_menu = _polygon_populate_context_menu
}

Referenced by _polygon_events_post_expose(), and dt_masks_create().