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*The Cheat flutters eyes, sounding very pleased*

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This commit is contained in:
XANTRONIX Development 2019-06-09 13:44:44 -05:00
parent cd9b07b8ac
commit 130c6cb0f0
5 changed files with 117 additions and 87 deletions
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94
examples/cluster.c
View file

@ -9,6 +9,7 @@
#include <hexagram/can.h> #include <hexagram/can.h>
#include <hexagram/window.h> #include <hexagram/window.h>
#include <hexagram/gauge.h> #include <hexagram/gauge.h>
#include <hexagram/tacho.h>
typedef struct _hexagram_cluster_state { typedef struct _hexagram_cluster_state {
double rpm, rps, temp, fuel; double rpm, rps, temp, fuel;
@ -18,84 +19,6 @@ static hexagram_cluster_state state = {
0, 0, 0, 0 0, 0, 0, 0
}; };
static void draw_tachometer_needle(cairo_t *cr,
double x,
double y,
double r,
double rpm) {
if (rpm > 8000) {
rpm = 8000;
}
/*
* Draw a tiny boi circle
*/
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, x, y, 0.08 * r, 0, 2*M_PI);
cairo_stroke(cr);
hexagram_gauge_draw_needle(cr, x, y, 0.8 * r,
232 * (M_PI/180),
488 * (M_PI/180),
rpm / 8000);
}
static void draw_tachometer(cairo_t *cr,
double x,
double y,
double r,
double redline) {
int i;
cairo_select_font_face(cr, "Helvetica",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, r * 0.125);
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, x, y, r, 0, 2*M_PI);
cairo_stroke(cr);
/*
* Draw face numbers
*/
for (i=0; i<=80; i+=10) {
char text[4];
snprintf(text, 3, "%02d", i);
hexagram_gauge_draw_number(cr, x, y,
0.85 * r,
232 * (M_PI/180),
488 * (M_PI/180),
i / 80.0,
text);
}
for (i=0; i<=80; i++) {
if (i * 100 >= redline) {
cairo_set_source_rgb(cr, 1, 0, 0);
}
if (i % 5 == 0) {
hexagram_gauge_draw_mark(cr, x, y,
0.7 * r,
0.8 * r,
232 * (M_PI/180),
488 * (M_PI/180),
i / 80.0);
} else {
hexagram_gauge_draw_mark(cr, x, y,
0.75 * r,
0.8 * r,
232 * (M_PI/180),
488 * (M_PI/180),
i / 80.0);
}
}
}
static void draw_speedometer(cairo_t *cr, static void draw_speedometer(cairo_t *cr,
double x, double x,
double y, double y,
@ -321,11 +244,11 @@ static void cluster_draw_bg(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, hexagram_tacho_draw_face(cr,
width * 0.2, width * 0.2,
height * 0.5, height * 0.5,
height * 0.4, height * 0.4,
6500); 6500);
draw_speedometer(cr, draw_speedometer(cr,
width * 0.8, width * 0.8,
@ -386,10 +309,11 @@ static void cluster_draw(cairo_t *cr,
double y, double y,
double width, double width,
double height) { double height) {
draw_tachometer_needle(cr, x + width * 0.2, hexagram_tacho_draw_needle(cr,
x + width * 0.2,
y + height * 0.5, y + height * 0.5,
height * 0.4, height * 0.4,
state.rpm); state.rpm);
draw_speedometer_needle(cr, draw_speedometer_needle(cr,
width * 0.8, width * 0.8,

5
include/hexagram/gauge.h
View file

@ -1,3 +1,6 @@
#ifndef _HEXAGRAM_GAUGE_H
#define _HEXAGRAM_GAUGE_H
#include <cairo.h> #include <cairo.h>
void hexagram_gauge_draw_needle(cairo_t *cr, void hexagram_gauge_draw_needle(cairo_t *cr,
@ -25,3 +28,5 @@ void hexagram_gauge_draw_mark(cairo_t *cr,
double min_angle, double min_angle,
double max_angle, double max_angle,
double value); double value);
#endif /* _HEXAGRAM_GAUGE_H */

18
include/hexagram/tacho.h Normal file
View file

@ -0,0 +1,18 @@
#ifndef _HEXAGRAM_TACHO_H
#define _HEXAGRAM_TACHO_H
#include <cairo.h>
void hexagram_tacho_draw_face(cairo_t *cr,
double x,
double y,
double r,
double redline);
void hexagram_tacho_draw_needle(cairo_t *cr,
double x,
double y,
double r,
double rpm);
#endif /* _HEXAGRAM_TACHO_H */

4
src/Makefile
View file

@ -8,12 +8,12 @@ CFLAGS += -fPIC -I$(INCLUDE_PATH) $(shell pkg-config --cflags cairo x11)
LDFLAGS = $(shell pkg-config --libs cairo x11) -lXext LDFLAGS = $(shell pkg-config --libs cairo x11) -lXext
HEADERS = dict.h hash.h can.h capture.h pcapng.h module.h window.h \ HEADERS = dict.h hash.h can.h capture.h pcapng.h module.h window.h \
gauge.h sim.h gauge.h tacho.h sim.h
HEADERS_LOCAL = util.h HEADERS_LOCAL = util.h
OBJS = dict.o hash.o can.o capture.o pcapng.o module.o window.o \ OBJS = dict.o hash.o can.o capture.o pcapng.o module.o window.o \
gauge.o sim.o gauge.o tacho.o sim.o
VERSION_MAJOR = 0 VERSION_MAJOR = 0
VERSION_MINOR = 0.1 VERSION_MINOR = 0.1

83
src/tacho.c Normal file
View file

@ -0,0 +1,83 @@
#include <stdio.h>
#include <math.h>
#include <hexagram/gauge.h>
#include <hexagram/tacho.h>
void hexagram_tacho_draw_face(cairo_t *cr,
double x,
double y,
double r,
double redline) {
int i;
cairo_select_font_face(cr, "Helvetica",
CAIRO_FONT_SLANT_NORMAL,
CAIRO_FONT_WEIGHT_NORMAL);
cairo_set_font_size(cr, r * 0.125);
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, x, y, r, 0, 2*M_PI);
cairo_stroke(cr);
/*
* Draw face numbers
*/
for (i=0; i<=80; i+=10) {
char text[4];
snprintf(text, 3, "%02d", i);
hexagram_gauge_draw_number(cr, x, y,
0.85 * r,
232 * (M_PI/180),
488 * (M_PI/180),
i / 80.0,
text);
}
for (i=0; i<=80; i++) {
if (i * 100 >= redline) {
cairo_set_source_rgb(cr, 1, 0, 0);
}
if (i % 5 == 0) {
hexagram_gauge_draw_mark(cr, x, y,
0.7 * r,
0.8 * r,
232 * (M_PI/180),
488 * (M_PI/180),
i / 80.0);
} else {
hexagram_gauge_draw_mark(cr, x, y,
0.75 * r,
0.8 * r,
232 * (M_PI/180),
488 * (M_PI/180),
i / 80.0);
}
}
}
void hexagram_tacho_draw_needle(cairo_t *cr,
double x,
double y,
double r,
double rpm) {
if (rpm > 8000) {
rpm = 8000;
}
/*
* Draw a tiny boi circle
*/
cairo_set_source_rgb(cr, 1, 1, 1);
cairo_arc(cr, x, y, 0.08 * r, 0, 2*M_PI);
cairo_stroke(cr);
hexagram_gauge_draw_needle(cr, x, y, 0.8 * r,
232 * (M_PI/180),
488 * (M_PI/180),
rpm / 8000);
}