Functions for screen vertices and edges. More...

#include "BLI_listbase.h"
#include "BLI_math.h"
#include "BLI_rect.h"
#include "BKE_screen.h"
#include "DNA_screen_types.h"
#include "DNA_windowmanager_types.h"
#include "ED_screen.h"
#include "MEM_guardedalloc.h"
#include "WM_api.h"
#include "screen_intern.h"

Functions
int	screen_geom_area_height (const ScrArea *area)

int	screen_geom_area_width (const ScrArea *area)

ScrVert *	screen_geom_vertex_add_ex (ScrAreaMap *area_map, short x, short y)

ScrVert *	screen_geom_vertex_add (bScreen *screen, short x, short y)

ScrEdge *	screen_geom_edge_add_ex (ScrAreaMap area_map, ScrVert v1, ScrVert *v2)

ScrEdge *	screen_geom_edge_add (bScreen screen, ScrVert v1, ScrVert *v2)

bool	screen_geom_edge_is_horizontal (ScrEdge *se)

ScrEdge *	screen_geom_area_map_find_active_scredge (const ScrAreaMap area_map, const rcti bounds_rect, const int mx, const int my)

ScrEdge *	screen_geom_find_active_scredge (const wmWindow win, const bScreen screen, const int mx, const int my)

static bool	screen_geom_vertices_scale_pass (const wmWindow win, const bScreen screen, const rcti *screen_rect)

void	screen_geom_vertices_scale (const wmWindow win, bScreen screen)
	Main screen-layout calculation function. More...

short	screen_geom_find_area_split_point (const ScrArea area, const rcti window_rect, char dir, float fac)

void	screen_geom_select_connected_edge (const wmWindow win, ScrEdge edge)

Detailed Description

Functions for screen vertices and edges.

Screen geometry refers to the vertices (ScrVert) and edges (ScrEdge) through which the flexible screen-layout system of Blender is established.

Definition in file screen_geometry.c.

Function Documentation

◆ screen_geom_area_height()

int screen_geom_area_height ( const ScrArea * area )

Definition at line 42 of file screen_geometry.c.

References blender::compositor::area().

Referenced by area_move_apply_do(), area_move_set_limits(), draw_horizontal_join_shape(), draw_vertical_join_shape(), screen_geom_find_area_split_point(), and screen_geom_vertices_scale_pass().

◆ screen_geom_area_map_find_active_scredge()

ScrEdge* screen_geom_area_map_find_active_scredge	(	const ScrAreaMap *	area_map,
		const rcti *	bounds_rect,
		const int	mx,
		const int	my
	)

Parameters

bounds_rect Either window or screen bounds. Used to exclude edges along window/screen edges.

Definition at line 90 of file screen_geometry.c.

References abs(), BORDERPADDING, CLAMP_MIN, ScrAreaMap::edgebase, LISTBASE_FOREACH, max, MAX2, min, MIN2, NULL, screen_geom_edge_is_horizontal(), rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by actionzone_modal(), area_split_invoke(), screen_area_edge_from_cursor(), and screen_geom_find_active_scredge().

◆ screen_geom_area_width()

int screen_geom_area_width ( const ScrArea * area )

Definition at line 46 of file screen_geometry.c.

References blender::compositor::area().

Referenced by area_move_set_limits(), draw_horizontal_join_shape(), draw_vertical_join_shape(), and screen_geom_find_area_split_point().

◆ screen_geom_edge_add()

ScrEdge* screen_geom_edge_add	(	bScreen *	screen,
		ScrVert *	v1,
		ScrVert *	v2
	)

Definition at line 76 of file screen_geometry.c.

References AREAMAP_FROM_SCREEN, screen_geom_edge_add_ex(), v1, and v2.

Referenced by area_split(), screen_add(), and screen_area_join().

◆ screen_geom_edge_add_ex()

ScrEdge* screen_geom_edge_add_ex	(	ScrAreaMap *	area_map,
		ScrVert *	v1,
		ScrVert *	v2
	)

Definition at line 65 of file screen_geometry.c.

References BKE_screen_sort_scrvert(), BLI_addtail(), ScrAreaMap::edgebase, MEM_callocN, v1, ScrEdge::v1, v2, and ScrEdge::v2.

Referenced by screen_area_create_with_geometry(), and screen_geom_edge_add().

◆ screen_geom_edge_is_horizontal()

bool screen_geom_edge_is_horizontal ( ScrEdge * se )

Definition at line 81 of file screen_geometry.c.

References ScrEdge::v1, ScrEdge::v2, ScrVert::vec, and vec2s::y.

Referenced by area_move_init(), area_split_invoke(), screen_area_edge_from_cursor(), screen_cursor_set(), and screen_geom_area_map_find_active_scredge().

◆ screen_geom_find_active_scredge()

ScrEdge* screen_geom_find_active_scredge	(	const wmWindow *	win,
		const bScreen *	screen,
		const int	mx,
		const int	my
	)

Definition at line 128 of file screen_geometry.c.

References AREAMAP_FROM_SCREEN, wmWindow::global_areas, screen_geom_area_map_find_active_scredge(), WM_window_rect_calc(), and WM_window_screen_rect_calc().

Referenced by area_move_init(), and screen_cursor_set().

◆ screen_geom_find_area_split_point()

short screen_geom_find_area_split_point	(	const ScrArea *	area,
		const rcti *	window_rect,
		char	dir,
		float	fac
	)

Returns: 0 if no split is possible, otherwise the screen-coordinate at which to split.

Definition at line 305 of file screen_geometry.c.

References blender::compositor::area(), AREAMINX, CLAMP, ED_area_headersize(), round_fl_to_short(), screen_geom_area_height(), screen_geom_area_width(), x, rcti::xmax, rcti::xmin, y, rcti::ymax, and rcti::ymin.

Referenced by area_split().

◆ screen_geom_select_connected_edge()

void screen_geom_select_connected_edge	(	const wmWindow *	win,
		ScrEdge *	edge
	)

Select all edges that are directly or indirectly connected to edge.

Definition at line 372 of file screen_geometry.c.

References ED_screen_verts_iter, bScreen::edgebase, ScrVert::flag, LISTBASE_FOREACH, ScrEdge::v1, ScrEdge::v2, ScrVert::vec, WM_window_get_active_screen(), and vec2s::x.

Referenced by area_move_init(), and screen_geom_vertices_scale_pass().

◆ screen_geom_vertex_add()

ScrVert* screen_geom_vertex_add	(	bScreen *	screen,
		short	x,
		short	y
	)

Definition at line 60 of file screen_geometry.c.

References AREAMAP_FROM_SCREEN, screen_geom_vertex_add_ex(), x, and y.

Referenced by area_split(), and screen_add().

◆ screen_geom_vertex_add_ex()

ScrVert* screen_geom_vertex_add_ex	(	ScrAreaMap *	area_map,
		short	x,
		short	y
	)

Definition at line 51 of file screen_geometry.c.

References BLI_addtail(), MEM_callocN, ScrVert::vec, ScrAreaMap::vertbase, x, vec2s::x, y, and vec2s::y.

Referenced by screen_area_create_with_geometry(), and screen_geom_vertex_add().

◆ screen_geom_vertices_scale()

void screen_geom_vertices_scale	(	const wmWindow *	win,
		bScreen *	screen
	)

Main screen-layout calculation function.

Scale areas nicely on window size and DPI changes.
Ensure areas have a minimum height.
Correctly set global areas to their fixed height.

Definition at line 255 of file screen_geometry.c.

References blender::compositor::area(), ScrAreaMap::areabase, ED_area_global_size_y(), GLOBAL_AREA_ALIGN_BOTTOM, GLOBAL_AREA_ALIGN_TOP, GLOBAL_AREA_IS_HIDDEN, wmWindow::global_areas, height, LISTBASE_FOREACH, screen_geom_vertices_scale_pass(), WM_window_rect_calc(), WM_window_screen_rect_calc(), rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by ED_screen_refresh().

◆ screen_geom_vertices_scale_pass()

static bool screen_geom_vertices_scale_pass	(	const wmWindow *	win,
		const bScreen *	screen,
		const rcti *	screen_rect
	)

static

A single pass for moving all screen vertices to fit into screen_rect.

Returns: true if another pass should be run.

Definition at line 152 of file screen_geometry.c.

References blender::compositor::area(), bScreen::areabase, BKE_screen_find_edge(), BLI_rcti_size_x(), BLI_rcti_size_y(), CLAMP, ED_area_headersize(), ELEM, float(), LISTBASE_FOREACH, max, min, minmax_v2v2_v2(), round_fl_to_short(), screen_geom_area_height(), screen_geom_select_connected_edge(), SPACE_ACTION, bScreen::vertbase, rcti::xmax, rcti::xmin, rcti::ymax, and rcti::ymin.

Referenced by screen_geom_vertices_scale().