CRdraw_line: Draws line.
In lorweiuk/CREx: Run behavioral experiments from R.

CRdraw_line

R Documentation

Draws line.

Description

Draws a line defined in line_list to rendering target. Line is defined in terms of starting point (x1, y1) and end point (x2, y2).

Usage

CRdraw_line(graphics_list, line_list, status = NULL)

Arguments

`graphics_list`	List containing pointers to window, renderer etc. created with `CRopen`.
`line_list`	List defining a line, containing elements x1, y1, x2 and y2.
`status`	Optional list `status` with elements `value` and `message` to retrieve warnings and error messages.

Examples

    CRset_render_color(gs, list(r = 0, g = 0, b = 0))
    
    CRrender_clear(gs)
    
    CRset_render_color(gs, list(r = 100, g = 0, b = 0))
    
    lines <- list(x1 = 50, y1 = 50, x2 = 100, y2 = 100)
    
    CRdraw_lines(gs, lines)
    
    CRrender_present(gs)

lorweiuk/CREx documentation built on March 16, 2024, 3:04 a.m.