Inkscape: Inkscape::CanvasItemGridAxonom Class Reference

Searching...

No Matches

Canvas Item for axonometric grids. More...

#include <canvas-item-grid.h>

Inheritance diagram for Inkscape::CanvasItemGridAxonom:

Public Member Functions
	CanvasItemGridAxonom (CanvasItemGroup *group)
	========= Axonometric Grids ========

void	set_angle_x (double value)

void	set_angle_z (double value)

Public Member Functions inherited from Inkscape::CanvasItemGrid
	CanvasItemGrid (CanvasItemGroup *group)
	Create a null control grid.

bool	contains (Geom::Point const &p, double tolerance=0) override
	Returns true if point p (in canvas units) is within tolerance (canvas units) distance of grid.

void	set_major_color (uint32_t color)

void	set_minor_color (uint32_t color)

void	set_origin (Geom::Point const &point)

void	set_spacing (Geom::Point const &point)

void	set_dotted (bool b)

void	set_major_line_interval (int n)

void	set_no_emp_when_zoomed_out (bool noemp)

Public Member Functions inherited from Inkscape::CanvasItem
	CanvasItem (CanvasItemContext *context)

	CanvasItem (CanvasItemGroup *parent)

	CanvasItem (CanvasItem const &)=delete

CanvasItem &	operator= (CanvasItem const &)=delete

void	unlink ()

UI::Widget::Canvas *	get_canvas () const

CanvasItemGroup *	get_parent () const

bool	is_descendant_of (CanvasItem const *ancestor) const

void	set_z_position (int zpos)

void	raise_to_top ()

void	lower_to_bottom ()

void	request_update ()

void	update (bool propagate)

virtual void	visit_page_rects (std::function< void(Geom::Rect const &)> const &) const

Geom::OptRect const &	get_bounds () const

void	grab (EventMask event_mask, Glib::RefPtr< Gdk::Cursor > const &={})

void	ungrab ()

void	render (Inkscape::CanvasItemBuffer &buf) const

bool	is_visible () const

virtual void	set_visible (bool visible)

void	request_redraw ()

virtual void	set_fill (uint32_t rgba)

void	set_fill (CanvasItemColor color)

void	set_fill_pattern (Cairo::RefPtr< Cairo::Pattern > pattern)

virtual void	set_stroke (uint32_t rgba)

void	set_stroke (CanvasItemColor color)

void	set_stroke_width (double width)
	Set the stroke width.

void	set_outline (uint32_t color)
	Set the outline color.

void	set_outline_width (double width)
	Set the outline width.

double	get_effective_outline () const
	Get the effective outline.

void	set_name (std::string &&name)

std::string const &	get_name () const

void	update_canvas_item_ctrl_sizes (int size_index)

void	set_pickable (bool pickable)

bool	is_pickable () const

sigc::connection	connect_event (sigc::slot< bool(CanvasEvent const &)> const &slot)

virtual bool	handle_event (CanvasEvent const &event)

void	canvas_item_print_tree (int level=0, int zorder=0) const

Protected Member Functions
void	_update (bool propagate) override

void	_render (CanvasItemBuffer &buf) const override
	This function calls Cairo to render a line on a particular canvas buffer.

Protected Member Functions inherited from Inkscape::CanvasItemGrid
	~CanvasItemGrid () override=default

Protected Member Functions inherited from Inkscape::CanvasItem
virtual	~CanvasItem ()

Geom::Affine const &	affine () const

virtual void	_mark_net_invisible ()

virtual void	_invalidate_ctrl_handles ()

template<typename F >
void	defer (F &&f)

Protected Attributes
bool	scaled
	Whether the grid is in scaled mode.

double	angle_deg [3]
	Angle of each axis (note that angle[2] == 0)

double	angle_rad [3]
	Angle of each axis (note that angle[2] == 0)

double	tan_angle [3]
	tan(angle[.

double	lyw = 1.0
	Transformed length y by the affine for the zoom.

double	lxw_x = 1.0

double	lxw_z = 1.0

double	spacing_ylines = 1.0

Geom::Point	ow
	Transformed origin by the affine for the zoom.

Protected Attributes inherited from Inkscape::CanvasItemGrid
bool	_dotted

Geom::Point	_origin

Geom::Point	_spacing
	Spacing between elements of the grid.

int	_major_line_interval

bool	_no_emp_when_zoomed_out

uint32_t	_major_color

uint32_t	_minor_color

Protected Attributes inherited from Inkscape::CanvasItem
CanvasItemContext *	_context

CanvasItemGroup *	_parent

Geom::OptRect	_bounds

bool	_need_update = false

bool	_visible = true

bool	_net_visible = true

bool	_pickable = false

uint32_t	_fill = CANVAS_ITEM_COLORS[CANVAS_ITEM_SECONDARY]

Cairo::RefPtr< Cairo::Pattern >	_fill_pattern

uint32_t	_stroke = CANVAS_ITEM_COLORS[CANVAS_ITEM_PRIMARY]

double	_stroke_width = 1.0

uint32_t	_outline = 0x0

double	_outline_width = 0

std::string	_name

sigc::signal< bool(CanvasEvent const &)>	_event_signal

Friends
class	GridSnapperAxonom

Additional Inherited Members
Public Attributes inherited from Inkscape::CanvasItem
boost::intrusive::list_member_hook	member_hook

Detailed Description

Canvas Item for axonometric grids.

Definition at line 101 of file canvas-item-grid.h.

Constructor & Destructor Documentation

◆ CanvasItemGridAxonom()

Inkscape::CanvasItemGridAxonom::CanvasItemGridAxonom ( Inkscape::CanvasItemGroup * group )

========= Axonometric Grids ========

Definition at line 320 of file canvas-item-grid.cpp.

References Inkscape::CanvasItem::_name, angle_deg, angle_rad, tan_angle, and Z.

Member Function Documentation

◆ _render()

void Inkscape::CanvasItemGridAxonom::_render ( Inkscape::CanvasItemBuffer & buf ) const

overrideprotectedvirtual

This function calls Cairo to render a line on a particular canvas buffer.

Coordinates are interpreted as SCREENcoordinates

Implements Inkscape::CanvasItem.

Definition at line 407 of file canvas-item-grid.cpp.

References Inkscape::CanvasItemGrid::_major_color, Inkscape::CanvasItemGrid::_major_line_interval, Inkscape::CanvasItemGrid::_minor_color, Inkscape::CanvasItemGrid::_no_emp_when_zoomed_out, Geom::are_near(), buf, Inkscape::drawline(), floor(), lxw_x, lxw_z, lyw, ow, scaled, spacing_ylines, tan_angle, Inkscape::vline(), Geom::X, Geom::Point::y(), and Z.

◆ _update()

void Inkscape::CanvasItemGridAxonom::_update ( bool propagate )

overrideprotectedvirtual

◆ set_angle_x()

void Inkscape::CanvasItemGridAxonom::set_angle_x ( double value )

Definition at line 361 of file canvas-item-grid.cpp.

References angle_deg, angle_rad, Inkscape::CanvasItem::defer(), Inkscape::CanvasItem::request_update(), and tan_angle.

◆ set_angle_z()

void Inkscape::CanvasItemGridAxonom::set_angle_z ( double value )

Definition at line 372 of file canvas-item-grid.cpp.

References angle_deg, angle_rad, Inkscape::CanvasItem::defer(), Inkscape::CanvasItem::request_update(), tan_angle, and Z.

Friends And Related Symbol Documentation

◆ GridSnapperAxonom

friend class GridSnapperAxonom

friend

Definition at line 111 of file canvas-item-grid.h.

Member Data Documentation

◆ angle_deg

double Inkscape::CanvasItemGridAxonom::angle_deg[3]

protected

Angle of each axis (note that angle[2] == 0)

Definition at line 118 of file canvas-item-grid.h.

Referenced by CanvasItemGridAxonom(), set_angle_x(), and set_angle_z().

◆ angle_rad

double Inkscape::CanvasItemGridAxonom::angle_rad[3]

protected

Angle of each axis (note that angle[2] == 0)

Definition at line 119 of file canvas-item-grid.h.

Referenced by CanvasItemGridAxonom(), set_angle_x(), and set_angle_z().

◆ lxw_x

double Inkscape::CanvasItemGridAxonom::lxw_x = 1.0

protected

Definition at line 123 of file canvas-item-grid.h.

Referenced by _render(), and _update().

◆ lxw_z

double Inkscape::CanvasItemGridAxonom::lxw_z = 1.0

protected

Definition at line 124 of file canvas-item-grid.h.

Referenced by _render(), and _update().

◆ lyw

double Inkscape::CanvasItemGridAxonom::lyw = 1.0

protected

Transformed length y by the affine for the zoom.

Definition at line 122 of file canvas-item-grid.h.

Referenced by _render(), and _update().

◆ ow

Geom::Point Inkscape::CanvasItemGridAxonom::ow

protected

Transformed origin by the affine for the zoom.

Definition at line 127 of file canvas-item-grid.h.

Referenced by _render(), and _update().

◆ scaled

bool Inkscape::CanvasItemGridAxonom::scaled

protected

Whether the grid is in scaled mode.

Definition at line 116 of file canvas-item-grid.h.

Referenced by _render(), and _update().

◆ spacing_ylines

double Inkscape::CanvasItemGridAxonom::spacing_ylines = 1.0

protected

Definition at line 125 of file canvas-item-grid.h.

Referenced by _render(), and _update().

◆ tan_angle

double Inkscape::CanvasItemGridAxonom::tan_angle[3]

protected

tan(angle[.

])

Definition at line 120 of file canvas-item-grid.h.

Referenced by _render(), _update(), CanvasItemGridAxonom(), set_angle_x(), and set_angle_z().

The documentation for this class was generated from the following files:

/builds/inkscape/inkscape/src/display/control/canvas-item-grid.h
/builds/inkscape/inkscape/src/display/control/canvas-item-grid.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CanvasItemGridAxonom()

Member Function Documentation

◆ _render()

◆ _update()

◆ set_angle_x()

◆ set_angle_z()

Friends And Related Symbol Documentation

◆ GridSnapperAxonom

Member Data Documentation

◆ angle_deg

◆ angle_rad

◆ lxw_x

◆ lxw_z

◆ lyw

◆ ow

◆ scaled

◆ spacing_ylines

◆ tan_angle