NMABarCode

NMABarCode

Functions

NMABarCode * nma_bar_code_new ()
void nma_bar_code_set_text ()
int nma_bar_code_get_size ()
void nma_bar_code_draw ()

Properties

int size Read
char * text Write

Types and Values

#define NMA_BAR_CODE_TEXT
#define NMA_BAR_CODE_SIZE

Object Hierarchy

    GObject
    ╰── NMABarCode

Description

A Bar Code object provides the means of drawing a QR code onto a cairo context. Useful for rendering Wi-Fi network credential in a form that can be optically scanned with a phone camera.

Functions

nma_bar_code_new ()

NMABarCode *
nma_bar_code_new (const char *text);

Parameters

text

set the bar code text

  

Returns

the bar code instance.

[transfer full]

Since: 1.8.22

nma_bar_code_set_text ()

void
nma_bar_code_set_text (NMABarCode *self,
                       const char *text);

Regenerates the QR code for a different text.

Parameters

self

bar code instance

  

text

new bar code text

  

Since: 1.8.22

nma_bar_code_get_size ()

int
nma_bar_code_get_size (NMABarCode *self);

Parameters

self

bar code instance

  

Returns

the side of a QR code square.

Since: 1.8.22

nma_bar_code_draw ()

void
nma_bar_code_draw (NMABarCode *self,
                   cairo_t *cr);

Draws the QR code onto the given context.

Parameters

self

bar code instance

  

cr

cairo context

  

Since: 1.8.22

Types and Values

NMA_BAR_CODE_TEXT

#define NMA_BAR_CODE_TEXT "text"

NMA_BAR_CODE_SIZE

#define NMA_BAR_CODE_SIZE "size"

Property Details

The “size” property

  “size”                     int

Owner: NMABarCode

Flags: Read

Default value: 0

The “text” property

  “text”                     char *

Owner: NMABarCode

Flags: Write

Default value: ""

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