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GimpColorArea

GimpColorArea — Displays a GimpRGB color, optionally with alpha-channel.

Properties

GimpRGB * color Read / Write / Construct
GdkModifierType drag-mask Write / Construct Only
gboolean draw-border Read / Write
GimpColorAreaType type Read / Write / Construct

Signals

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GtkObject
            ╰── GtkWidget
                ╰── GtkDrawingArea
                    ╰── GimpColorArea

Implemented Interfaces

GimpColorArea implements AtkImplementorIface and GtkBuildable.

Description

Displays a GimpRGB color, optionally with alpha-channel.

Functions

gimp_color_area_new ()

GtkWidget *
gimp_color_area_new (const GimpRGB *color,
                     GimpColorAreaType type,
                     GdkModifierType drag_mask);

Creates a new GimpColorArea widget.

This returns a preview area showing the color. It handles color DND. If the color changes, the "color_changed" signal is emitted.

Parameters

color

A pointer to a GimpRGB struct.

 

type

The type of color area to create.

 

drag_mask

The event_mask that should trigger drags.

 

Returns

Pointer to the new GimpColorArea widget.


gimp_color_area_set_color ()

void
gimp_color_area_set_color (GimpColorArea *area,
                           const GimpRGB *color);

Sets area to a different color .

Parameters

area

Pointer to a GimpColorArea.

 

color

Pointer to a GimpRGB struct that defines the new color.

 

gimp_color_area_get_color ()

void
gimp_color_area_get_color (GimpColorArea *area,
                           GimpRGB *color);

Retrieves the current color of the area .

Parameters

area

Pointer to a GimpColorArea.

 

color

Pointer to a GimpRGB struct that is used to return the color.

 

gimp_color_area_has_alpha ()

gboolean
gimp_color_area_has_alpha (GimpColorArea *area);

Checks whether the area shows transparency information. This is determined via the area 's GimpColorAreaType.

Parameters

area

Pointer to a GimpColorArea.

 

Returns

TRUE if area shows transparency information, FALSE otherwise.


gimp_color_area_set_type ()

void
gimp_color_area_set_type (GimpColorArea *area,
                          GimpColorAreaType type);

Allows to change the type of area . The GimpColorAreaType determines whether the widget shows transparency information and chooses the size of the checkerboard used to do that.

Parameters

area

Pointer to a GimpColorArea.

 

type

A GimpColorAreaType.

 

gimp_color_area_set_draw_border ()

void
gimp_color_area_set_draw_border (GimpColorArea *area,
                                 gboolean draw_border);

The area can draw a thin border in the foreground color around itself. This function allows to toggle this behaviour on and off. The default is not draw a border.

Parameters

area

Pointer to a GimpColorArea.

 

draw_border

whether to draw a border or not

 

Types and Values

GimpColorArea

typedef struct _GimpColorArea GimpColorArea;

enum GimpColorAreaType

The types of transparency display for GimpColorArea.

Members

GIMP_COLOR_AREA_FLAT

don't display transparency

 

GIMP_COLOR_AREA_SMALL_CHECKS

display transparency using small checks

 

GIMP_COLOR_AREA_LARGE_CHECKS

display transparency using large checks

 

Property Details

The “color” property

  “color”                    GimpRGB *

The color displayed in the color area.

Flags: Read / Write / Construct

Since: GIMP 2.4


The “drag-mask” property

  “drag-mask”                GdkModifierType

Flags: Write / Construct Only


The “draw-border” property

  “draw-border”              gboolean

Whether to draw a thin border in the foreground color around the area.

Flags: Read / Write

Default value: FALSE

Since: GIMP 2.4


The “type” property

  “type”                     GimpColorAreaType

The type of the color area.

Flags: Read / Write / Construct

Default value: GIMP_COLOR_AREA_FLAT

Since: GIMP 2.4

Signal Details

The “color-changed” signal

void
user_function (GimpColorArea *gimpcolorarea,
               gpointer       user_data)

Flags: Run First

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