文字

ncurses_has_colors

(PHP 4 >= 4.0.7, PHP 5 < 5.3.0, PECL ncurses >= 1.0.0)

ncurses_has_colorsChecks if terminal has color capabilities

说明

bool ncurses_has_colors ( void )

Checks whether the terminal has color capabilities. This function can be used to write terminal-independent programs. ncurses must be initialized using ncurses_init() before calling this function.

参数

此函数没有参数。

返回值

Return TRUE if the terminal has color capabilities, FALSE otherwise.

范例

Example #1 Writing a string with a specified color to the screen

<?php
ncurses_init
();

// If the terminal supports colors, initialize and set active color
if ( ncurses_has_colors ()) {
    
ncurses_start_color ();
    
ncurses_init_pair ( 1 NCURSES_COLOR_YELLOW NCURSES_COLOR_BLUE );
    
ncurses_color_set ( 1 );
}

// Write a string at specified location
ncurses_mvaddstr ( 10 10 "Hello world! Yellow on blue text!" );

// Flush output to screen
ncurses_refresh ();

ncurses_end ();
?>

参见

  • ncurses_can_change_color() - Checks if terminal color definitions can be changed
  • ncurses_start_color() - Initializes color functionality
上一篇: 下一篇: