CRdraw_rect: Draws rectangle.
In lorweiuk/CREx: Run behavioral experiments from R.

CRdraw_rect

R Documentation

Draws rectangle.

Description

Draws outline of rectangle defined in rect_list to rendering target. Rect_list must contain elements x, y, w, and h.

Usage

CRdraw_rect(graphics_list, rect_list, status = NULL)

Arguments

`graphics_list`	List containing pointers to window, renderer etc. created with `CRopen`.
`rect_list`	List defining a rectangle, containing elements x, y, w and h.
`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))
    
    rect_list <- list(x = 50, y = 50, w = 100, h = 50)
    
    CRdraw_rect(gs, rect_list)
    
    CRrender_present(gs)

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