description of the successive versions
Versions:
in version .0 we start from a basic
xlib template, and we just include create_img()
and put_px(), from the _ilb13
image lib
in .1, we define an enum
with several draw_mode
in .2, we add the mode: draw
(in .0, there was only the mode point)
in .3, there is the mode: line,
we add the structure prev in order to keep the
previous mouse-clic
in .4, we add the append, minus, and negate,
draw mode's
in .5, we add the function draw_rect()
to draw rectangles
in .6, we add two function's to calculate a floor
square-root, in order to add the draw_circ() function
in .7, we add the triangle's
license for the text:
to the extent permitted by law: fdl
license for the code:
to the extent permitted by law: spdx=any