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Look at it go! I can barely see it already and--Oh.

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This commit is contained in:
XANTRONIX Development 2019-05-26 10:31:43 -05:00
parent c765a19a4f
commit 7f95045379
1 changed files with 9 additions and 6 deletions
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15
examples/cluster.c
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@ -50,11 +50,14 @@ static void draw_face_number(cairo_t *cr,
cairo_restore(cr); cairo_restore(cr);
} }
static void draw_tachometer(cairo_t *cr) { static void draw_tachometer(cairo_t *cr,
double x,
double y,
double r) {
int i; int i;
cairo_set_source_rgb(cr, 1, 1, 1); cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, 208, 240, 192, 0, 360); cairo_arc(cr, x, y, r, 0, 360);
cairo_stroke(cr); cairo_stroke(cr);
/* /*
@ -64,19 +67,19 @@ static void draw_tachometer(cairo_t *cr) {
char text[4]; char text[4];
snprintf(text, 3, "%02d", i); snprintf(text, 3, "%02d", i);
draw_face_number(cr, 208, 240, 162, 232, 488, i / 80.0, text); draw_face_number(cr, x, y, 0.85 * r, 232, 488, i / 80.0, text);
} }
/* /*
* Draw a gauge needle * Draw a gauge needle
*/ */
draw_needle(cr, 208, 240, 148, 232, 488, 0.0); draw_needle(cr, x, y, 0.77 * r, 232, 488, 0.0);
/* /*
* Draw a tiny boi circle * Draw a tiny boi circle
*/ */
cairo_set_source_rgb(cr, 1, 1, 1); cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, 208, 240, 16, 0, 360); cairo_arc(cr, x, y, 0.08 * r, 0, 360);
cairo_fill(cr); cairo_fill(cr);
} }
@ -133,7 +136,7 @@ static void redraw(cairo_t *cr) {
cairo_set_source_rgb(cr, 0, 0, 0); cairo_set_source_rgb(cr, 0, 0, 0);
cairo_paint(cr); cairo_paint(cr);
draw_tachometer(cr); draw_tachometer(cr, 208, 240, 192);
draw_speedometer(cr); draw_speedometer(cr);
draw_thermometer(cr); draw_thermometer(cr);
draw_fuel_gauge(cr); draw_fuel_gauge(cr);