Gnome Library Reference Manual
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# gnome-paper

## Name

gnome-paper — Paper dimensions, printing unit conversions.

## Synopsis

    #include <gnome.h>

    typedef     Paper;
    typedef     Unit;
    GList*      gnome_paper_name_list           (void);
    const GnomePaper* gnome_paper_with_name     (const gchar *papername);
    const GnomePaper* gnome_paper_with_size     (double pswidth,
                                                 double psheight);
    const gchar* gnome_paper_name               (const GnomePaper *paper);
    gdouble     gnome_paper_pswidth             (const GnomePaper *paper);
    gdouble     gnome_paper_psheight            (const GnomePaper *paper);
    gdouble     gnome_paper_lmargin             (const GnomePaper *paper);
    gdouble     gnome_paper_tmargin             (const GnomePaper *paper);
    gdouble     gnome_paper_rmargin             (const GnomePaper *paper);
    gdouble     gnome_paper_bmargin             (const GnomePaper *paper);
    const gchar* gnome_paper_name_default       (void);
    GList*      gnome_unit_name_list            (void);
    const GnomeUnit* gnome_unit_with_name       (const gchar *unitname);
    gdouble     gnome_paper_convert             (double psvalue,
                                                 const GnomeUnit *unit);
    double      gnome_paper_convert_to_points   (double othervalue,
                                                 const GnomeUnit *unit);

## Description

The gnome-paper module provides a way of querying a database of existing paper dimensions, as well as the known or user-configured values for the margins.

Support for converting values to and from PostScript points is also supported.

## Details

### Paper

    typedef GnomePaper Paper;

### Unit

    typedef GnomeUnit Unit;

### gnome_paper_name_list ()

    GList*      gnome_paper_name_list           (void);

grants access to the hardcoded internal list of paper specifications

Returns : | internal list of paper specifications

### gnome_paper_with_name ()

    const GnomePaper* gnome_paper_with_name     (const gchar *papername);

searches internal list of paper sizes, searching for one with the name 'papername'

`papername` : | human name of desired paper type
Returns : | paper specification with given name, or NULL

### gnome_paper_with_size ()

    const GnomePaper* gnome_paper_with_size     (double pswidth,
                                                 double psheight);

create a custom paper type with given dimensions

`pswidth` : | width of paper
`psheight` : | height of paper
Returns : | paper specification

### gnome_paper_name ()

    const gchar* gnome_paper_name               (const GnomePaper *paper);

`paper` : | paper specification
Returns : | human readable name for paper type

### gnome_paper_pswidth ()

    gdouble     gnome_paper_pswidth             (const GnomePaper *paper);

returns the width of the paper, including the margins

`paper` : | paper specification
Returns : | width of paper (in points)

### gnome_paper_psheight ()

    gdouble     gnome_paper_psheight            (const GnomePaper *paper);

returns the height of the paper, including the margins

`paper` : | paper specification
Returns : | height of paper (in points)

### gnome_paper_lmargin ()

    gdouble     gnome_paper_lmargin             (const GnomePaper *paper);

`paper` : | paper specification
Returns : | paper specification

### gnome_paper_tmargin ()

    gdouble     gnome_paper_tmargin             (const GnomePaper *paper);

`paper` : | paper specification
Returns : | size of top margin (in points)

### gnome_paper_rmargin ()

    gdouble     gnome_paper_rmargin             (const GnomePaper *paper);

`paper` : | paper specification
Returns : | size of right margin (in points)

### gnome_paper_bmargin ()

    gdouble     gnome_paper_bmargin             (const GnomePaper *paper);

`paper` : | paper specification
Returns : | size of bottom margin (in points)

### gnome_paper_name_default ()

    const gchar* gnome_paper_name_default       (void);

Returns : | human readable name for default paper type

### gnome_unit_name_list ()

    GList*      gnome_unit_name_list            (void);

grants access to the hardcoded internal list of units

Returns : | internal list of units

### gnome_unit_with_name ()

    const GnomeUnit* gnome_unit_with_name       (const gchar *unitname);

searches internal list of units, searching for one with the name 'unitname'

`unitname` : | name of desired unit
Returns : | Unit with given name or NULL

### gnome_paper_convert ()

    gdouble     gnome_paper_convert             (double psvalue,
                                                 const GnomeUnit *unit);

converts from value represented in points to value represented in given units.

`psvalue` : | value in points
`unit` : | unit to convert to
Returns : | value in given units

### gnome_paper_convert_to_points ()

    double      gnome_paper_convert_to_points   (double othervalue,
                                                 const GnomeUnit *unit);

Needed for gnome-paper-selector. converts from value represented in points to value represented in given units.

`othervalue` : | value in points
`unit` : | unit to convert to
Returns : | value in points

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