gui2::line_shape Class Reference

#include <canvas_private.hpp>

Inheritance diagram for gui2::line_shape:

Public Member Functions
	line_shape (const config &cfg)
	Constructor. More...
void	draw (wfl::map_formula_callable &variables) override
	Draws the canvas. More...
Public Member Functions inherited from gui2::canvas::shape
	shape (const config &cfg)
virtual	~shape ()
bool	immutable () const

Private Attributes
typed_formula< unsigned >	x1_
	The start x coordinate of the line. More...
typed_formula< unsigned >	y1_
	The start y coordinate of the line. More...
typed_formula< unsigned >	x2_
	The end x coordinate of the line. More...
typed_formula< unsigned >	y2_
	The end y coordinate of the line. More...
typed_formula< color_t >	color_
	The color of the line. More...
unsigned	thickness_
	The thickness of the line. More...

Detailed Description

Definition at line 22 of file canvas_private.hpp.

Constructor & Destructor Documentation

line_shape()

gui2::line_shape::line_shape ( const config &  cfg )

explicit

Constructor.

Parameters

cfg	The config object to define the line.

Definition at line 50 of file canvas.cpp.

References DBG_GUI_P, and debug.

Member Function Documentation

draw()

void gui2::line_shape::draw ( wfl::map_formula_callable &  variables )

overridevirtual

Draws the canvas.

Parameters

variables

The canvas can have formulas in it's definition, this parameter contains the values for these formulas.

Todo:

formulas are now recalculated every draw cycle which is a bit silly unless there has been a resize. So to optimize we should use an extra flag or do the calculation in a separate routine.

Implements gui2::canvas::shape.

Definition at line 65 of file canvas.cpp.

References color_, DBG_GUI_D, draw::line(), x1_, x2_, y1_, and y2_.

Member Data Documentation

color_

typed_formula<color_t> gui2::line_shape::color_

private

The color of the line.

Definition at line 41 of file canvas_private.hpp.

Referenced by draw().

thickness_

unsigned gui2::line_shape::thickness_

private

The thickness of the line.

if the value is odd the x and y are the middle of the line. if the value is even the x and y are the middle of a line with width - 1. (0 is special case, does nothing.)

Definition at line 50 of file canvas_private.hpp.

x1_

typed_formula<unsigned> gui2::line_shape::x1_

private

The start x coordinate of the line.

Definition at line 35 of file canvas_private.hpp.

Referenced by draw().

x2_

typed_formula<unsigned> gui2::line_shape::x2_

private

The end x coordinate of the line.

Definition at line 37 of file canvas_private.hpp.

Referenced by draw().

y1_

typed_formula<unsigned> gui2::line_shape::y1_

private

The start y coordinate of the line.

Definition at line 36 of file canvas_private.hpp.

Referenced by draw().

y2_

typed_formula<unsigned> gui2::line_shape::y2_

private

The end y coordinate of the line.

Definition at line 38 of file canvas_private.hpp.

Referenced by draw().

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

• gui/core/canvas_private.hpp
• gui/core/canvas.cpp