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Nailed it :)

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XANTRONIX Development 2019-05-25 22:11:26 -05:00
parent 4900d59328
commit 9f919f6575
1 changed files with 4 additions and 1 deletions
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5
examples/cluster.c
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@ -19,6 +19,8 @@ static void draw_needle(cairo_t *cr,
cairo_move_to(cr, x, y); cairo_move_to(cr, x, y);
cairo_set_source_rgb(cr, 0, 0.25, 1.0);
cairo_line_to(cr, cairo_line_to(cr,
x + r * cos((M_PI/180.0) * angle), x + r * cos((M_PI/180.0) * angle),
y + r * sin((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 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 * Draw another circle
*/ */
cairo_set_source_rgb(ctx, 1, 1, 1);
cairo_arc(ctx, 816, 240, 192, 0, 360); cairo_arc(ctx, 816, 240, 192, 0, 360);
cairo_stroke(ctx); cairo_stroke(ctx);