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We'd like another bottle of Château Prétende 1974, please.

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XANTRONIX Development 2019-06-07 20:20:11 -05:00
parent 67b0a4ea95
commit 32f94bfb6d
1 changed files with 40 additions and 21 deletions
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61
examples/cluster.c
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@ -312,32 +312,50 @@ static void draw_thermometer_needle(cairo_t *cr,
static void draw_fuel_gauge(cairo_t *cr,
double x,
double y,
double r) {
double r,
double redline) {
int i;
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, x, y, r, 0, 2*M_PI);
cairo_stroke(cr);
draw_face_number(cr, x, y,
0.75 * r,
300 * (M_PI/180),
420 * (M_PI/180),
0.0,
"0");
cairo_move_to(cr, x - 0.8 * r, y - 0.1 * r);
cairo_show_text(cr, "0");
draw_face_number(cr, x, y,
0.75 * r,
300 * (M_PI/180),
420 * (M_PI/180),
0.5,
"1/2");
cairo_move_to(cr, x - 0.15 * r, y - 0.5 * r);
cairo_show_text(cr, "1/2");
draw_face_number(cr, x, y,
0.75 * r,
300 * (M_PI/180),
420 * (M_PI/180),
1.0,
"1");
cairo_move_to(cr, x + 0.65 * r, y - 0.1 * r);
cairo_show_text(cr, "1");
/*
* Draw gauge graduations
*/
for (i=0; i<=16; i++) {
if (i <= (16.0 * redline)) {
cairo_set_source_rgb(cr, 1, 0, 0);
} else {
cairo_set_source_rgb(cr, 1, 1, 1);
}
if (i % 4 == 0) {
draw_face_mark(cr, x, y,
0.70 * r,
0.90 * r,
300 * (M_PI/180),
420 * (M_PI/180),
(double)i / 16.0);
} else {
draw_face_mark(cr, x, y,
0.80 * r,
0.90 * r,
300 * (M_PI/180),
420 * (M_PI/180),
(double)i / 16.0);
}
}
}
static void draw_fuel_gauge_needle(cairo_t *cr,
@ -356,7 +374,7 @@ static void draw_fuel_gauge_needle(cairo_t *cr,
cairo_arc(cr, x, y, 0.08 * r, 0, 2*M_PI);
cairo_stroke(cr);
draw_needle(cr, x, y, 0.7 * r,
draw_needle(cr, x, y, 0.9 * r,
300 * (M_PI/180),
420 * (M_PI/180),
level / 1.0);
@ -413,7 +431,8 @@ static void cluster_draw_bg(cairo_t *cr,
draw_fuel_gauge(cr,
width * 0.57,
height * 0.76,
height * 0.13);
height * 0.13,
0.125);
draw_mfd(cr,
width * 0.42,