Method

Pango.Color.parse_with_alpha

Declaration [src]

gboolean
pango_color_parse_with_alpha (
  PangoColor* color,
  guint16* alpha,
  const char* spec
)

Description [src]

Fill in the fields of a color from a string specification.

The string can either one of a large set of standard names. (Taken from the CSS Color specification, or it can be a hexadecimal value in the form #rgb, #rrggbb, #rrrgggbbb or #rrrrggggbbbb where r, g and b are hex digits of the red, green, and blue components of the color, respectively. (White in the four forms is #fff, #ffffff, #fffffffff and #ffffffffffff.)

Additionally, parse strings of the form #rgba, #rrggbbaa, #rrrrggggbbbbaaaa, if alpha is not NULL, and set alpha to the value specified by the hex digits for a. If no alpha component is found in spec, alpha is set to 0xffff (for a solid color).

Available since:1.46

Parameters

alpha guint16*
 

return location for alpha

 Direction: out
 The called function takes ownership of the data, and is responsible for freeing it
spec const char*
 

a string specifying the new color

 The data is owned by the caller of the function
 The string is a NUL terminated UTF-8 string

Return value

Returns: gboolean

TRUE if parsing of the specifier succeeded, otherwise FALSE