wex::shapes Class Reference

A class that offers application code methods to draw on a window. More...

#include <wex.h>

Public Member Functions
	shapes (PAINTSTRUCT &ps)
	Constructor. More...
void	color (int r, int g, int b)
	Set color for drawings. More...
void	color (int c)
void	bgcolor (int c)
	set background color
void	bgcolor (int r, int g, int b)
void	transparent (bool f=true)
	enable/disable transparent background
void	penThick (int t)
	Set pen thickness in pixels.
void	fill (bool f=true)
	Set filling option.
void	pixel (int x, int y)
	Color a pixel.
void	line (const std::vector< int > &v)
	Draw line between two points. More...
void	polyLine (POINT *pp, int n)
void	rectangle (const std::vector< int > &v)
	Draw rectangle. More...
void	polygon (const std::vector< int > &v)
	Draw Polygon. More...
void	arc (int x, int y, double r, double sa, double ea)
	Draw Arc of circle. More...
void	circle (int x0, int y0, double r)
	Draw circle. More...
void	text (const std::string &t, const std::vector< int > &v)
	Draw text. More...
void	textCenterHz (const std::string &t, const std::vector< int > &v)
void	textVertical (bool f=true)
	Enable / disable drawing text in vertical orientation.
void	textHeight (int h)
	Set text height. More...
void	textFontName (const std::string &fn)
	set text font name
int	textWidthPixels (const std::string &t)

Detailed Description

A class that offers application code methods to draw on a window.

    // construct top level  window
    gui& form = wex::windex::topWindow();
    form.move({ 50,50,400,400});
    form.text("A windex draw demo");

    form.events().draw([]( PAINTSTRUCT& ps )
    {
        shapes S( ps );
        S.color( 255, 0, 0 );
        S.line( { 10,10, 50,50 } );
        S.color( 255,255,255 );
        S.rectangle( { 20,20,20,20});
        S.color( 255,255,0 );
        S.text( "test", {50,50,50,25} );
        S.color(0,0,255);
        S.circle( 100,100,40);
        S.arc( 100,100,30, 0, 90 );
    });

    form.show();

Constructor & Destructor Documentation

shapes()

wex::shapes::shapes ( PAINTSTRUCT &  ps )

inline

Constructor.

Parameters

[in]

ps

The PAINTSTRUCT passed as parameter into the draw event handler

Member Function Documentation

arc()

void wex::shapes::arc ( int  x, int  y, double  r, double  sa, double  ea  )

inline

Draw Arc of circle.

Parameters

[in]	x	for center, pixels 0 at left of window
[in]	y	for center, pixels 0 at top of window
[in]	r	radius, pixels
[in]	sa	start angle degrees anti-clockwise from 3 o'clock
[in]	se	end angle degrees anti-clockwise from 3 o'clock

The arc is drawn from sa to se in the anti-clockwise direction.

circle()

void wex::shapes::circle ( int  x0, int  y0, double  r  )

inline

Draw circle.

Parameters

[in]	x0	x for center, pixels 0 at left of window
[in]	y0	y for center, pixels 0 at left of window
[in]	r	radius, pixels

color()

void wex::shapes::color ( int  r, int  g, int  b  )

inline

Set color for drawings.

Parameters

[in]	r	red 0-255
[in]	g	green 0-255
[in]	b	blue 0-255

line()

void wex::shapes::line ( const std::vector< int > &  v )

inline

Draw line between two points.

Parameters

[in]

v

vector with x1, y1, x2, y2

polygon()

void wex::shapes::polygon ( const std::vector< int > &  v )

inline

Draw Polygon.

Parameters

[in]

point

array of points, such as x0,y0,x1,y1,x2,y2,x3,y3...

rectangle()

void wex::shapes::rectangle ( const std::vector< int > &  v )

inline

Draw rectangle.

Parameters

[in]

v

vector with left, top, width, height

text()

void wex::shapes::text ( const std::string &  t, const std::vector< int > &  v  )

inline

Draw text.

Parameters

[in]	t	the text
[in]	v	vector of left, top ( unclipped )
[in]	v	vector of left, top, width, height ( clipping )

textHeight()

void wex::shapes::textHeight ( int  h )

inline

Set text height.

Parameters

h	height default height 20 if not called

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

• include/wex.h