draw_brush: Draw the brush rectangle

In ggobi/cranvas: Interactive statistical graphics based on Qt

Description

Draw a rectangle with a spot according to the information in the meta data.

Usage

draw_brush(layer, painter, data, meta)

Arguments

layer,painter	the painter of the layer on which to draw the brush
data	the data created by qdata; a brush object is in brush(data); the color and line width of the brush are stored in this object
meta	the meta data (has a least these two components: meta$pos and meta$brush.size)

Value

NULL

Author(s)

Yihui Xie <http://yihui.name>

Examples

## see the source code of, e.g., qbar() for its usage

ggobi/cranvas documentation built on May 17, 2019, 3:10 a.m.