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Colors

Colors — Manipulation of colors

Functions

Types and Values

Includes

#include <gdk/gdk.h>

Description

A GdkColor represents a color.

When working with cairo, it is often more convenient to use a GdkRGBA instead, and GdkColor has been deprecated in favor of GdkRGBA.

Functions

gdk_color_copy ()

GdkColor *
gdk_color_copy (const GdkColor *color);

gdk_color_copy has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

Makes a copy of a GdkColor.

The result must be freed using gdk_color_free().

Parameters

color

a GdkColor

 

Returns

a copy of color


gdk_color_free ()

void
gdk_color_free (GdkColor *color);

gdk_color_free has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

Frees a GdkColor created with gdk_color_copy().

Parameters

color

a GdkColor

 

gdk_color_parse ()

gboolean
gdk_color_parse (const gchar *spec,
                 GdkColor *color);

gdk_color_parse has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

Parses a textual specification of a color and fill in the red , green , and blue fields of a GdkColor.

The string can either one of a large set of standard names (taken from the X11 rgb.txt file), 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”).

Parameters

spec

the string specifying the color

 

color

the GdkColor to fill in.

[out]

Returns

TRUE if the parsing succeeded


gdk_color_equal ()

gboolean
gdk_color_equal (const GdkColor *colora,
                 const GdkColor *colorb);

gdk_color_equal has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

Compares two colors.

Parameters

colora

a GdkColor

 

colorb

another GdkColor

 

Returns

TRUE if the two colors compare equal


gdk_color_hash ()

guint
gdk_color_hash (const GdkColor *color);

gdk_color_hash has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

A hash function suitable for using for a hash table that stores GdkColors.

Parameters

color

a GdkColor

 

Returns

The hash function applied to color


gdk_color_to_string ()

gchar *
gdk_color_to_string (const GdkColor *color);

gdk_color_to_string has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

Returns a textual specification of color in the hexadecimal form “#rrrrggggbbbb” where “r”, “g” and “b” are hex digits representing the red, green and blue components respectively.

The returned string can be parsed by gdk_color_parse().

Parameters

color

a GdkColor

 

Returns

a newly-allocated text string

Since 2.12

Types and Values

GdkColor

typedef struct {
  guint32 pixel;
  guint16 red;
  guint16 green;
  guint16 blue;
} GdkColor;

GdkColor has been deprecated since version 3.14 and should not be used in newly-written code.

Use GdkRGBA

A GdkColor is used to describe a color, similar to the XColor struct used in the X11 drawing API.

Members

guint32 pixel;

For allocated colors, the pixel value used to draw this color on the screen. Not used anymore.

 

guint16 red;

The red component of the color. This is a value between 0 and 65535, with 65535 indicating full intensity

 

guint16 green;

The green component of the color

 

guint16 blue;

The blue component of the color