polygon.c File Reference

#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 <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 points, const float *border, const int nb_corner, const int num_points, int num_borders, float *x_min, float *x_max, float *y_min, float *y_max)
static void	_polygon_get_XY (float p0x, float p0y, float p1x, float p1y, float p2x, float p2y, float p3x, float p3y, float t, float *x, float *y)
static void	_polygon_border_get_XY (float p0x, float p0y, float p1x, float p1y, float p2x, float p2y, float p3x, float p3y, float t, float rad, float *xc, float *yc, float *xb, float *yb)
static void	_polygon_ctrl2_to_handle (const float ptx, const float pty, const float ctrlx, const float ctrly, float *fx, float *fy, const gboolean clockwise)
static void	_polygon_handle_to_ctrl (float ptx, float pty, float fx, float fy, float *ctrl1x, float *ctrl1y, float *ctrl2x, float *ctrl2y, gboolean clockwise)
static void	_polygon_catmull_to_bezier (float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4, float *bx1, float *by1, float *bx2, float *by2)
static void	_polygon_init_ctrl_points (dt_masks_form_t *form)
static gboolean	_polygon_is_clockwise (dt_masks_form_t *form)
static int	_polygon_fill_gaps (int lastx, int lasty, int x, int y, dt_masks_dynbuf_t *points)
static void	_polygon_points_recurs_border_gaps (float *cmax, float *bmin, float *bmin2, float *bmax, dt_masks_dynbuf_t *dpoints, dt_masks_dynbuf_t *dborder, gboolean clockwise)
static void	_polygon_points_recurs (float *p1, float *p2, double tmin, double tmax, float *polygon_min, float *polygon_max, float *border_min, float *border_max, float *rpolygon, float *rborder, dt_masks_dynbuf_t *dpoints, dt_masks_dynbuf_t *dborder, int withborder)
static int	_polygon_find_self_intersection (dt_masks_dynbuf_t *inter, int nb_nodes, float *border, int border_count)
static int	_polygon_get_pts_border (dt_develop_t *dev, dt_masks_form_t *form, const double iop_order, const int transf_direction, dt_dev_pixelpipe_t *pipe, float **points, int *points_count, float **border, int *border_count, gboolean source)
static float	_polygon_get_position_in_segment (float x, float y, dt_masks_form_t *form, int segment)
static void	_add_node_to_segment (struct dt_iop_module_t *module, float pzx, float pzy, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index)
static void	_change_node_type (struct dt_iop_module_t *module, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index)
static int	_polygon_get_points_border (dt_develop_t *dev, dt_masks_form_t *form, float **points, int *points_count, float **border, 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 *form, dt_masks_form_gui_t *gui, int index, float *masks_size, float *border_size)
static void	_polygon_get_distance (float x, float y, float as, dt_masks_form_gui_t *gui, int index, int node_count, int *inside, int *inside_border, int *near, int *inside_source, float *dist)
static int	_find_closest_handle (struct dt_iop_module_t *module, float pzx, float pzy, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index)
static void	_polygon_gravity_center (dt_masks_form_t *form, float *gx, float *gy, float *surf)
static int	_init_hardness (dt_masks_form_t *form, const float amount, const dt_masks_increment_t increment, const int flow, const float masks_size, const float border_size)
static int	_change_size (dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, struct dt_iop_module_t *module, int index, const float amount, const dt_masks_increment_t increment, const int flow)
static int	_change_hardness (dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, struct dt_iop_module_t *module, int index, const float amount, const dt_masks_increment_t increment, int flow)
static int	_polygon_events_mouse_scrolled (struct dt_iop_module_t *module, float pzx, float pzy, int up, int flow, uint32_t state, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index, dt_masks_interaction_t interaction)
static int	_polygon_events_button_pressed (struct dt_iop_module_t *module, float pzx, float pzy, double pressure, int which, int type, uint32_t state, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index)
static int	_polygon_events_button_released (struct dt_iop_module_t *module, float pzx, float pzy, int which, uint32_t state, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index)
static int	_polygon_events_mouse_moved (struct dt_iop_module_t *module, float pzx, float pzy, double pressure, int which, dt_masks_form_t *form, int parentid, dt_masks_form_gui_t *gui, int index)
static void	_polygon_draw_shape (cairo_t *cr, const float *points, const int points_count, const int node_nb, const gboolean border, const gboolean source)
static void	_polygon_events_post_expose (cairo_t *cr, float zoom_scale, dt_masks_form_gui_t *gui, int index, int node_count)
static void	_polygon_bounding_box (const float *const points, const float *border, const int nb_corner, const int num_points, int num_borders, int *width, int *height, int *posx, int *posy)
static int	_get_area (const dt_iop_module_t *const module, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const 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_iop_t *piece, dt_masks_form_t *form, int *width, int *height, int *posx, int *posy)
static int	_polygon_get_area (const dt_iop_module_t *const module, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const 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 bw)
static int	_polygon_get_mask (const dt_iop_module_t *const module, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const 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, const dt_dev_pixelpipe_iop_t *const piece, dt_masks_form_t *const 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 form, const size_t nb)
static void	_polygon_set_hint_message (const dt_masks_form_gui_t *const gui, const dt_masks_form_t *const 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)

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, float  pzx, float  pzy, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index  )

static

References _polygon_get_position_in_segment(), _polygon_init_ctrl_points(), dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, dt_masks_node_polygon_t::border, dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, darktable, darktable_t::develop, dt_dev_distort_backtransform(), dt_dev_roi_to_input_space(), dt_masks_gui_form_create(), dt_masks_gui_form_remove(), DT_MASKS_POINT_STATE_NORMAL, g_list_next_wraparound(), dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_dragging, dt_masks_form_gui_t::node_edited, dt_masks_form_gui_t::node_selected, dt_masks_form_t::points, dt_develop_t::preview_pipe, dt_masks_form_gui_t::seg_selected, dt_masks_node_polygon_t::state, and TRUE.

Referenced by _polygon_events_button_pressed().

_change_hardness()

static int _change_hardness ( dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, struct dt_iop_module_t *  module, int  index, const float  amount, const dt_masks_increment_t  increment, int  flow  )

static

References _init_hardness(), _polygon_get_sizes(), dt_masks_node_polygon_t::border, dt_masks_gui_form_create(), dt_masks_gui_form_remove(), HARDNESS_MAX, HARDNESS_MIN, dt_masks_form_gui_t::node_selected, and dt_masks_form_t::points.

Referenced by _polygon_events_mouse_scrolled().

_change_node_type()

static void _change_node_type ( struct dt_iop_module_t *  module, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index  )

static

References _polygon_init_ctrl_points(), dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, dt_masks_gui_form_create(), dt_masks_gui_form_remove(), DT_MASKS_POINT_STATE_NORMAL, DT_MASKS_POINT_STATE_USER, dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_edited, dt_masks_form_t::points, and dt_masks_node_polygon_t::state.

Referenced by _polygon_events_button_pressed().

_change_size()

static int _change_size ( dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, struct dt_iop_module_t *  module, int  index, const float  amount, const dt_masks_increment_t  increment, const int  flow  )

static

References _polygon_get_sizes(), _polygon_gravity_center(), dt_masks_node_polygon_t::ctrl1, dt_masks_node_polygon_t::ctrl2, dt_masks_gui_form_create(), dt_masks_gui_form_remove(), dt_toast_log(), dt_masks_node_polygon_t::node, and dt_masks_form_t::points.

Referenced by _polygon_events_mouse_scrolled().

_find_closest_handle()

static int _find_closest_handle ( struct dt_iop_module_t *  module, float  pzx, float  pzy, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index  )

static

References _polygon_ctrl2_to_handle(), _polygon_get_distance(), dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, dt_masks_form_gui_t::border_selected, dt_masks_form_gui_points_t::clockwise, darktable, darktable_t::develop, dist(), DT_DRAW_SELECTION_RADIUS, dt_masks_is_corner_node(), dt_masks_is_within_radius(), FALSE, dt_masks_form_gui_t::form_selected, dt_masks_form_gui_t::group_selected, dt_masks_form_gui_t::handle_border_selected, dt_masks_form_gui_t::handle_selected, dt_develop_t::natural_scale, dt_masks_form_gui_t::node_edited, 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_develop_t::preview_pipe, dt_masks_form_gui_t::seg_selected, dt_masks_form_gui_t::source_selected, and TRUE.

Referenced by _polygon_events_button_pressed(), and _polygon_events_mouse_moved().

_get_area()

static int _get_area ( const dt_iop_module_t *const  module, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  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_free_align, height, dt_iop_module_t::iop_order, dt_dev_pixelpipe_iop_t::pipe, 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 *  form, const float  amount, const dt_masks_increment_t  increment, const int  flow, const float  masks_size, const float  border_size  )

static

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

Referenced by _change_hardness().

_polygon_border_get_XY()

static void _polygon_border_get_XY ( float  p0x, float  p0y, float  p1x, float  p1y, float  p2x, float  p2y, float  p3x, float  p3y, float  t, float  rad, float *  xc, float *  yc, float *  xb, float *  yb  )

static

get the point of the polygon at pos t [0,1] AND the corresponding border point

References _polygon_get_XY(), and double().

Referenced by _polygon_get_pts_border(), and _polygon_points_recurs().

_polygon_bounding_box()

static void _polygon_bounding_box ( const float *const  points, const float *  border, const int  nb_corner, const int  num_points, int  num_borders, int *  width, int *  height, int *  posx, int *  posy  )

static

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  points, const float *  border, const int  nb_corner, const int  num_points, int  num_borders, float *  x_min, float *  x_max, float *  y_min, float *  y_max  )

static

References MAX, and MIN.

Referenced by _polygon_bounding_box(), and _polygon_get_mask_roi().

_polygon_catmull_to_bezier()

static void _polygon_catmull_to_bezier ( float  x1, float  y1, float  x2, float  y2, float  x3, float  y3, float  x4, float  y4, float *  bx1, float *  by1, float *  bx2, float *  by2  )

static

Get the control points of a segment to match exactly a catmull-rom spline

Referenced by _polygon_init_ctrl_points().

_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.

Referenced by _polygon_get_mask_roi().

_polygon_ctrl2_to_handle()

static void _polygon_ctrl2_to_handle ( const float  ptx, const float  pty, const float  ctrlx, const float  ctrly, float *  fx, float *  fy, const gboolean  clockwise  )

static

get handle extremity from the control point n°2 the values should be in orthonormal space

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

_polygon_draw_shape()

static void _polygon_draw_shape ( cairo_t *  cr, const float *  points, const int  points_count, const int  node_nb, const gboolean  border, const gboolean  source  )

static

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_form_t::points, and void().

_polygon_events_button_pressed()

static int _polygon_events_button_pressed ( struct dt_iop_module_t *  module, float  pzx, float  pzy, double  pressure, int  which, int  type, uint32_t  state, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index  )

static

Todo:

: handle that in context menu

Todo:

: map that to context menu

References _add_node_to_segment(), _change_node_type(), _find_closest_handle(), _polygon_ctrl2_to_handle(), _polygon_init_ctrl_points(), _polygon_is_clockwise(), dt_masks_node_polygon_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_form_gui_t::creation_module, 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_dev_masks_selection_change(), dt_dev_roi_to_input_space(), DT_MASKS_CLONE, DT_MASKS_EDIT_FULL, dt_masks_get_from_id(), DT_MASKS_GROUP, dt_masks_gui_form_create(), dt_masks_gui_form_remove(), dt_masks_gui_form_save_creation(), dt_masks_iop_update(), dt_masks_is_corner_node(), DT_MASKS_NON_CLONE, DT_MASKS_POINT_STATE_NORMAL, DT_MASKS_POINT_STATE_USER, dt_masks_select_form(), dt_masks_set_edit_mode(), dt_masks_set_source_pos_initial_state(), dt_masks_set_source_pos_initial_value(), dt_modifier_is(), dt_toast_log(), dt_masks_form_gui_t::edit_mode, dt_masks_form_gui_t::form_dragging, dt_develop_t::form_gui, dt_masks_form_gui_t::form_selected, dt_develop_t::form_visible, dt_masks_form_group_t::formid, dt_masks_form_t::formid, g_list_shorter_than(), dt_masks_form_gui_t::group_selected, dt_masks_form_gui_t::handle_dragging, dt_masks_form_gui_t::handle_selected, 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_edited, 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_t::pos, dt_masks_form_gui_t::seg_dragging, dt_masks_form_gui_t::seg_selected, dt_masks_form_t::source, dt_masks_form_gui_points_t::source, dt_masks_form_gui_t::source_dragging, 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, float  pzx, float  pzy, int  which, uint32_t  state, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index  )

static

References dt_masks_form_gui_t::creation, FALSE, dt_masks_form_gui_t::form_dragging, dt_masks_form_gui_t::handle_dragging, dt_masks_form_gui_t::node_dragging, dt_masks_form_gui_t::seg_dragging, and dt_masks_form_gui_t::source_dragging.

_polygon_events_mouse_moved()

static int _polygon_events_mouse_moved ( struct dt_iop_module_t *  module, float  pzx, float  pzy, double  pressure, int  which, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index  )

static

References _find_closest_handle(), _polygon_handle_to_ctrl(), _polygon_init_ctrl_points(), _polygon_is_clockwise(), dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, 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_dev_distort_backtransform(), dt_dev_roi_delta_to_input_space(), DT_DRAW_SELECTION_RADIUS_NO_UPSCALE, DT_MASKS_CLONE, DT_MASKS_EDIT_FULL, dt_masks_gui_form_create(), dt_masks_gui_form_remove(), DT_MASKS_POINT_STATE_USER, dt_masks_form_gui_t::edit_mode, dt_masks_form_gui_t::form_dragging, g_list_next_wraparound(), g_list_shorter_than(), dt_masks_form_gui_t::handle_dragging, dt_dev_pixelpipe_t::iheight, dt_dev_pixelpipe_t::iwidth, dt_develop_t::natural_scale, dt_masks_node_polygon_t::node, dt_masks_form_gui_t::node_dragging, dt_masks_form_t::points, dt_masks_form_gui_points_t::points, dt_masks_form_gui_t::points, dt_develop_t::preview_pipe, 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, float  pzx, float  pzy, int  up, int  flow, uint32_t  state, dt_masks_form_t *  form, int  parentid, dt_masks_form_gui_t *  gui, int  index, dt_masks_interaction_t  interaction  )

static

References _change_hardness(), _change_size(), dt_masks_form_gui_t::creation, DT_MASKS_EDIT_FULL, dt_masks_form_change_opacity(), DT_MASKS_INCREMENT_SCALE, dt_modifier_is(), dt_masks_form_gui_t::edit_mode, dt_masks_form_gui_t::form_selected, dt_masks_form_gui_t::handle_selected, dt_masks_form_gui_t::node_selected, and dt_masks_form_gui_t::seg_selected.

_polygon_events_post_expose()

static void _polygon_events_post_expose ( cairo_t *  cr, float  zoom_scale, dt_masks_form_gui_t *  gui, int  index, int  node_count  )

static

References _polygon_ctrl2_to_handle(), _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_draw_stroke_line(), dt_masks_calculate_source_pos_value(), DT_MASKS_CLONE, DT_MASKS_DASH_ROUND, DT_MASKS_DASH_STICK, dt_masks_draw_clone_source_pos(), dt_masks_draw_source(), dt_masks_functions_polygon, dt_masks_get_from_id(), dt_masks_is_corner_node(), DT_MASKS_NO_DASH, DT_MASKS_POLYGON, FALSE, dt_masks_form_gui_t::form_dragging, dt_masks_form_gui_t::form_selected, dt_develop_t::form_visible, dt_masks_form_group_t::formid, dt_masks_form_gui_t::group_selected, dt_masks_form_gui_t::handle_dragging, dt_masks_form_gui_t::handle_selected, dt_masks_form_gui_t::node_dragging, dt_masks_form_gui_t::node_edited, 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_t::seg_selected, dt_masks_form_gui_points_t::source_count, TRUE, and dt_masks_form_t::type.

_polygon_falloff()

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

we write a falloff segment

References sqf().

Referenced by _polygon_get_mask().

_polygon_falloff_roi()

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

static

we write a falloff segment respecting limits of buffer

References MAX.

Referenced by _polygon_get_mask_roi().

_polygon_fill_gaps()

static int _polygon_fill_gaps ( int  lastx, int  lasty, int  x, int  y, dt_masks_dynbuf_t *  points  )

static

fill eventual gaps between 2 points with a line using Bresenham algorithm 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 *  inter, int  nb_nodes, float *  border, int  border_count  )

static

find all self intersections in a polygon

References _polygon_fill_gaps(), dt_alloc_align, dt_free_align, 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(), and POLYGON_MAX_SELF_INTERSECTIONS.

Referenced by _polygon_get_pts_border().

_polygon_get_area()

static int _polygon_get_area ( const dt_iop_module_t *const  module, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  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  x, float  y, float  as, dt_masks_form_gui_t *  gui, int  index, int  node_count, int *  inside, int *  inside_border, int *  near, int *  inside_source, float *  dist  )

static

get the distance between point (x,y) and the brush

References dt_masks_form_gui_points_t::border, dt_masks_form_gui_points_t::border_count, dist(), dt_masks_point_in_form_exact(), 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, and dt_masks_form_gui_points_t::source_count.

Referenced by _find_closest_handle().

_polygon_get_mask()

static int _polygon_get_mask ( const dt_iop_module_t *const  module, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  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_calloc_align_float(), DT_DEBUG_MASKS, DT_DEBUG_PERF, DT_DEV_TRANSFORM_DIR_BACK_INCL, dt_free_align, dt_get_wtime(), dt_print(), FALSE, height, dt_iop_module_t::iop_order, dt_masks_form_t::name, dt_dev_pixelpipe_iop_t::pipe, dt_masks_form_t::points, darktable_t::unmuted, and width.

_polygon_get_mask_roi()

static int _polygon_get_mask_roi ( const dt_iop_module_t *const  module, const dt_dev_pixelpipe_iop_t *const  piece, dt_masks_form_t *const  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_alloc_align, dt_alloc_align_float(), DT_DEBUG_MASKS, DT_DEBUG_PERF, DT_DEV_TRANSFORM_DIR_BACK_INCL, dt_free_align, dt_get_wtime(), dt_print(), FALSE, height, dt_iop_roi_t::height, dt_iop_module_t::iop_order, m, MAX, MIN, dt_masks_form_t::name, dt_dev_pixelpipe_iop_t::pipe, dt_masks_form_t::points, dt_iop_roi_t::scale, darktable_t::unmuted, width, dt_iop_roi_t::width, dt_iop_roi_t::x, and dt_iop_roi_t::y.

_polygon_get_points_border()

static int _polygon_get_points_border ( dt_develop_t *  dev, dt_masks_form_t *  form, float **  points, int *  points_count, float **  border, 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::preview_pipe.

_polygon_get_position_in_segment()

static float _polygon_get_position_in_segment ( float  x, float  y, dt_masks_form_t *  form, int  segment  )

static

find relative position within a brush segment that is closest to the point given by coordinates x and y; we only need to find the minimum with a resolution of 1%, so we just do an exhaustive search without any frills

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

Referenced by _add_node_to_segment().

_polygon_get_pts_border()

static int _polygon_get_pts_border ( dt_develop_t *  dev, dt_masks_form_t *  form, const double  iop_order, const int  transf_direction, dt_dev_pixelpipe_t *  pipe, float **  points, int *  points_count, float **  border, int *  border_count, gboolean  source  )

static

get all points of the polygon and the border this take care of gaps and self-intersection and iop distortions

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, dt_alloc_align_float(), DT_DEBUG_MASKS, DT_DEBUG_PERF, dt_dev_distort_transform_plus(), DT_DEV_TRANSFORM_DIR_ALL, DT_DEV_TRANSFORM_DIR_BACK_EXCL, DT_DEV_TRANSFORM_DIR_FORW_INCL, dt_free_align, 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_print(), g_list_next_wraparound(), 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, and darktable_t::unmuted.

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 *  form, dt_masks_form_gui_t *  gui, int  index, float *  masks_size, float *  border_size  )

static

References dt_dev_pixelpipe_t::backbuf_height, dt_dev_pixelpipe_t::backbuf_width, dt_masks_form_gui_points_t::border, darktable, darktable_t::develop, 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 dt_develop_t::preview_pipe.

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_iop_t *  piece, dt_masks_form_t *  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 ( float  p0x, float  p0y, float  p1x, float  p1y, float  p2x, float  p2y, float  p3x, float  p3y, float  t, float *  x, float *  y  )

static

get the point of the polygon at pos t [0,1]

Referenced by _polygon_border_get_XY(), and _polygon_get_position_in_segment().

_polygon_gravity_center()

static void _polygon_gravity_center ( dt_masks_form_t *  form, float *  gx, float *  gy, float *  surf  )

static

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

Referenced by _change_size().

_polygon_handle_to_ctrl()

static void _polygon_handle_to_ctrl ( float  ptx, float  pty, float  fx, float  fy, float *  ctrl1x, float *  ctrl1y, float *  ctrl2x, float *  ctrl2y, gboolean  clockwise  )

static

get bezier control points from handle extremity the values should be in orthonormal space

Referenced by _polygon_events_mouse_moved().

_polygon_init_ctrl_points()

static void _polygon_init_ctrl_points ( dt_masks_form_t *  form )

static

initialise all control points to eventually match a catmull-rom like spline

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

Referenced by _add_node_to_segment(), _change_node_type(), _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

_polygon_is_clockwise()

static gboolean _polygon_is_clockwise ( dt_masks_form_t *  form )

static

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_button_pressed(), _polygon_events_mouse_moved(), _polygon_events_post_expose(), and _polygon_get_pts_border().

_polygon_points_recurs()

static void _polygon_points_recurs ( float *  p1, float *  p2, double  tmin, double  tmax, float *  polygon_min, float *  polygon_max, float *  border_min, float *  border_max, float *  rpolygon, float *  rborder, dt_masks_dynbuf_t *  dpoints, dt_masks_dynbuf_t *  dborder, int  withborder  )

static

recursive function to get all points of the polygon AND all point of the border the function take care to avoid big gaps between points

References _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 *  cmax, float *  bmin, float *  bmin2, float *  bmax, dt_masks_dynbuf_t *  dpoints, dt_masks_dynbuf_t *  dborder, gboolean  clockwise  )

static

fill the gap between 2 points with an arc of circle this function is here because we can have gap in border, esp. if the node is very sharp

References dt_masks_dynbuf_reserve_n(), and M_PI.

Referenced by _polygon_get_pts_border().

_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  form, const size_t  nb  )

static

References dt_masks_form_t::name.

_polygon_set_hint_message()

static void _polygon_set_hint_message ( const dt_masks_form_gui_t *const  gui, const dt_masks_form_t *const  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_selected, dt_masks_form_t::points, and dt_masks_form_gui_t::seg_selected.

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,
  .mouse_moved = _polygon_events_mouse_moved,
  .mouse_scrolled = _polygon_events_mouse_scrolled,
  .button_pressed = _polygon_events_button_pressed,
  .button_released = _polygon_events_button_released,
  .post_expose = _polygon_events_post_expose,
  .draw_shape = _polygon_draw_shape,
  .init_ctrl_points = _polygon_init_ctrl_points
}

Referenced by _polygon_events_post_expose(), dt_masks_calculate_source_pos_value(), and dt_masks_create().