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GimpZoomModel

GimpZoomModel — A model for zoom values.

Properties

gchar * fraction Read
gdouble maximum Read / Write
gdouble minimum Read / Write
gchar * percentage Read
gdouble value Read / Write

Signals

Types and Values

Object Hierarchy

    GObject
    ╰── GimpZoomModel

Description

A model for zoom values.

Functions

gimp_zoom_model_new ()

GimpZoomModel *
gimp_zoom_model_new (void);

Creates a new GimpZoomModel.

Returns

a new GimpZoomModel.

Since GIMP 2.4


gimp_zoom_model_set_range ()

void
gimp_zoom_model_set_range (GimpZoomModel *model,
                           gdouble min,
                           gdouble max);

Sets the allowed range of the model .

Since GIMP 2.4

Parameters

model

a GimpZoomModel

 

min

new lower limit for zoom factor

 

max

new upper limit for zoom factor

 

gimp_zoom_model_zoom ()

void
gimp_zoom_model_zoom (GimpZoomModel *model,
                      GimpZoomType zoom_type,
                      gdouble scale);

Since GIMP 2.4

Parameters

model

a GimpZoomModel

 

zoom_type

the GimpZoomType

 

scale

ignored unless zoom_type == GIMP_ZOOM_TO

 

gimp_zoom_model_get_factor ()

gdouble
gimp_zoom_model_get_factor (GimpZoomModel *model);

Retrieves the current zoom factor of model .

Parameters

model

a GimpZoomModel

 

Returns

the current scale factor

Since GIMP 2.4


gimp_zoom_model_get_fraction ()

void
gimp_zoom_model_get_fraction (GimpZoomModel *model,
                              gint *numerator,
                              gint *denominator);

Retrieves the current zoom factor of model as a fraction.

Since GIMP 2.4

Parameters

model

a GimpZoomModel

 

numerator

return location for numerator

 

denominator

return location for denominator

 

gimp_zoom_button_new ()

GtkWidget *
gimp_zoom_button_new (GimpZoomModel *model,
                      GimpZoomType zoom_type,
                      GtkIconSize icon_size);

Parameters

model

a GimpZoomModel

 

icon_size

use 0 for a button with text labels

 

Returns

a newly created GtkButton

Since GIMP 2.4


gimp_zoom_model_zoom_step ()

gdouble
gimp_zoom_model_zoom_step (GimpZoomType zoom_type,
                           gdouble scale);

Utility function to calculate a new scale factor.

Parameters

zoom_type

the zoom type

 

scale

ignored unless zoom_type == GIMP_ZOOM_TO

 

Returns

the new scale factor

Since GIMP 2.4

Types and Values

GimpZoomModel

typedef struct _GimpZoomModel GimpZoomModel;

enum GimpZoomType

the zoom types for GimpZoomModel.

Members

GIMP_ZOOM_IN

zoom in

 

GIMP_ZOOM_OUT

zoom out

 

GIMP_ZOOM_IN_MORE

zoom in a lot

 

GIMP_ZOOM_OUT_MORE

zoom out a lot

 

GIMP_ZOOM_IN_MAX

zoom in as far as possible

 

GIMP_ZOOM_OUT_MAX

zoom out as far as possible

 

GIMP_ZOOM_TO

zoom to a specific zoom factor

 

Property Details

The “fraction” property

  “fraction”                 gchar *

The zoom factor expressed as a fraction.

Owner: GimpZoomModel

Flags: Read

Default value: "1:1"


The “maximum” property

  “maximum”                  gdouble

The maximum zoom factor.

Owner: GimpZoomModel

Flags: Read / Write

Allowed values: [0.00390625,256]

Default value: 256


The “minimum” property

  “minimum”                  gdouble

The minimum zoom factor.

Owner: GimpZoomModel

Flags: Read / Write

Allowed values: [0.00390625,256]

Default value: 0.00390625


The “percentage” property

  “percentage”               gchar *

The zoom factor expressed as percentage.

Owner: GimpZoomModel

Flags: Read

Default value: "100%"


The “value” property

  “value”                    gdouble

The zoom factor.

Owner: GimpZoomModel

Flags: Read / Write

Allowed values: [0.00390625,256]

Default value: 1

Signal Details

The “zoomed” signal

void
user_function (GimpZoomModel *model,
               gdouble        old_factor,
               gdouble        new_factor,
               gpointer       user_data)

Emitted when the zoom factor of the zoom model changes.

Parameters

model

the object that received the signal

 

old_factor

the zoom factor before it changes

 

new_factor

the zoom factor after it has changed.

 

user_data

user data set when the signal handler was connected.

 

Flags: Run Last

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