C Library Functions - color (3)
NAME
color(3f) - [M_draw:COLOR] Set current color (LICENSE:PD)
CONTENTS
Synopsis
Description
Option
Examples
SYNOPSIS
subroutine color(col)
integer,intent(in) :: col
DESCRIPTION
Set the current color. The standard colors are as follows:
d_black = 0 d_red = 1 d_green = 2 d_yellow = 3 d_blue = 4 d_magenta = 5 d_cyan = 6 d_white = 7
OPTION
COL A color number from 0 to 255. To define additional colors see mapcolor(3f).
EXAMPLES
Sample program:
program demo_color use M_draw implicit none real :: b=0.5 real :: y1,y2,ym,x1,x2 real :: width=50.0/8.0,width2 integer :: i integer :: ipaws !! set up long bar as plotting area call prefsize(1000,200) call vinit(’ ’) ! start graphics using device $M_DRAW_DEVICE call page(-25.0-b, 25.0+b, -5.0-b, 5.0+b) call textsize( 3.5, 4.0) call font(’futura.m’) call centertext(.true.) call linewidth(90) y1=-5 y2=5 ym=0 x1=-25+.05*width ! draw colored rectangle and a circle and label center of circle ! and repeat from colors 0 to 7. width2=width*0.95 call linewidth(40) do i=0,7 call color(i) x2=x1+width2 call polyfill(.true.) call makepoly() call rect(x1,y1,x2,y2) call closepoly() call color(mod(i+1,7)+1) call move2((x1+x2)/2.0,ym) call print(i) ! convert number to string and draw it call polyfill(.false.) call circle((x1+x2)/2.0, ym, (x2-x1)/2.10) x1=x1+width enddo ipaws=getkey() call vexit() end program demo_color
| Nemo Release 3.1 | color (3) | February 23, 2025 |
