Glimmr Drawing Commands

version 2/101030 by Erik Temple

  • Home page
  • Beginning
  • Previous
  • Next



  • Section - Rectangle

    To rectdraw (hue - a number) in (win - a g-window) from (x1 - a number) by (y1 - a number) to (x2 - a number) by (y2 - a number):
        (- DrawRect({hue}, {win}, {x1}, {y1}, {x2}, {y2}); -)

    To draw/display a/-- rectangle/rect (hue - a number) in (win - a g-window) from (x1 - a number) by/x (y1 - a number) to (x2 - a number) by/x (y2 - a number):
        rectdraw (hue) in (win) from (x1) by (y1) to (x2) by (y2);
        #if utilizing Glimmr debugging;
        say "[>console][DC]Drawing a rectangle of color [hue] in [i][win][/i] with upper left ([x1], [y1]) and lower right ([x2], [y2]).[<]";
        #end if.

    To draw/display a/-- rectangle/rect (hue - a number) in (win - a g-window) from (coord1 - a list of numbers) to (coord2 - a list of numbers):
        let x1 be entry 1 of coord1;
        let y1 be entry 2 of coord1;
        let x2 be entry 1 of coord2;
        let y2 be entry 2 of coord2;
        rectdraw (hue) in (win) from (x1) by (y1) to (x2) by (y2).

    To rect/rectangle (coord1 - a list of numbers) to (coord2 - a list of numbers):
        if the type of the current graphics window is not g-graphics:
            say "*** Error: Short-form rectangle-drawing directive ignored. The current graphics window global was not correctly specified.";
            rule fails;
        let x1 be entry 1 of coord1;
        let y1 be entry 2 of coord1;
        let x2 be entry 1 of coord2;
        let y2 be entry 2 of coord2;
        draw a rectangle (current foreground-color) in (current graphics window) from (x1) by (y1) to (x2) by (y2).

    Include (-

    [ DrawRect hue win x1 y1 x2 y2 ;
        if (win.ref_number) {
            glk_window_fill_rect(win.ref_number, hue, x1, y1, x2 - x1, y2 - y1 );
        }
    ];

    -).