RGtk2: pangoLayoutGetExtents – R documentation

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pangoLayoutGetExtents

Description

Computes the logical and ink extents of layout. Logical extents are usually what you want for positioning things. Note that both extents may have non-zero x and y. You may want to use those to offset where you render the layout. Not doing that is a very typical bug that shows up as right-to-left layouts not being correctly positioned in a layout with a set width.

Usage

pangoLayoutGetExtents(object)

Arguments

object

[PangoLayout] a PangoLayout

Details

The extents are given in layout coordinates and in Pango units; layout coordinates begin at the top left corner of the layout.

Value

A list containing the following elements:

`ink.rect`	[`PangoRectangle`] rectangle used to store the extents of the layout as drawn or `NULL` to indicate that the result is not needed.
`logical.rect`	[`PangoRectangle`] rectangle used to store the logical extents of the layout or `NULL` to indicate that the result is not needed.

Author(s)

Derived by RGtkGen from GTK+ documentation

RGtk2

R Bindings for Gtk 2.8.0 and Above

v2.20.36

GPL

Authors

Michael Lawrence <michafla@gene.com> and Duncan Temple Lang <duncan@wald.ucdavis.edu>

Initial release