Nailed it :)

This commit is contained in:
XANTRONIX Development 2019-05-25 22:11:26 -05:00
parent 4900d59328
commit 9f919f6575

View file

@ -19,6 +19,8 @@ static void draw_needle(cairo_t *cr,
cairo_move_to(cr, x, y);
cairo_set_source_rgb(cr, 0, 0.25, 1.0);
cairo_line_to(cr,
x + r * cos((M_PI/180.0) * angle),
y + r * sin((M_PI/180.0) * angle));
@ -43,11 +45,12 @@ static void redraw(cairo_t *ctx) {
/*
* Draw a gauge needle
*/
draw_needle(ctx, 208, 240, 176, 240, 480, 0.0);
draw_needle(ctx, 208, 240, 176, 232, 502, 0.0);
/*
* Draw another circle
*/
cairo_set_source_rgb(ctx, 1, 1, 1);
cairo_arc(ctx, 816, 240, 192, 0, 360);
cairo_stroke(ctx);