Make test client a little more interesting.
diff --git a/client.c b/client.c
index 87df3b7..934c7cd 100644
--- a/client.c
+++ b/client.c
@@ -8,6 +8,7 @@
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
+#include <time.h>
#include <cairo.h>
#include "wayland-client.h"
@@ -65,27 +66,61 @@
return flink.name;
}
+static void
+set_random_color(cairo_t *cr)
+{
+ cairo_set_source_rgba(cr,
+ (random() % 100) / 99.0,
+ (random() % 100) / 99.0,
+ (random() % 100) / 99.0,
+ (random() % 100) / 99.0);
+}
+
+
static void *
draw_stuff(int width, int height)
{
+ const int petal_count = 3 + random() % 5;
+ const double r1 = 60 + random() % 35;
+ const double r2 = 20 + random() % 40;
+ const double u = (10 + random() % 90) / 100.0;
+ const double v = (random() % 90) / 100.0;
+
cairo_surface_t *surface;
cairo_t *cr;
+ int i;
+ double t, dt = 2 * M_PI / (petal_count * 2);
+ double x1, y1, x2, y2, x3, y3;
surface = cairo_image_surface_create(CAIRO_FORMAT_RGB24,
width, height);
cr = cairo_create(surface);
+ cairo_translate(cr, width / 2, height / 2);
+ cairo_move_to(cr, cos(t) * r1, sin(t) * r1);
+ for (t = 0, i = 0; i < petal_count; i++, t += dt * 2) {
+ x1 = cos(t) * r1;
+ y1 = sin(t) * r1;
+ x2 = cos(t + dt) * r2;
+ y2 = sin(t + dt) * r2;
+ x3 = cos(t + 2 * dt) * r1;
+ y3 = sin(t + 2 * dt) * r1;
- cairo_arc(cr, width / 2, height / 2, width / 2 - 10, 0, 2 * M_PI);
- cairo_set_source_rgb(cr, 1, 0, 0);
- cairo_fill_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 0);
- cairo_stroke(cr);
+ cairo_curve_to(cr,
+ x1 - y1 * u, y1 + x1 * u,
+ x2 + y2 * v, y2 - x2 * v,
+ x2, y2);
- cairo_arc(cr, width / 2, height / 2, width / 4 - 10, 0, 2 * M_PI);
- cairo_set_source_rgb(cr, 0, 0, 1);
+ cairo_curve_to(cr,
+ x2 - y2 * v, y2 + x2 * v,
+ x3 + y3 * u, y3 - x3 * u,
+ x3, y3);
+ }
+
+ cairo_close_path(cr);
+ set_random_color(cr);
cairo_fill_preserve(cr);
- cairo_set_source_rgb(cr, 1, 1, 0);
+ set_random_color(cr);
cairo_stroke(cr);
cairo_destroy(cr);
@@ -118,6 +153,8 @@
cairo_surface_t *s;
struct pollfd p[1];
+ srandom(time(NULL));
+
fd = open(gem_device, O_RDWR);
if (fd < 0) {
fprintf(stderr, "drm open failed: %m\n");
@@ -144,8 +181,8 @@
while (ret = poll(p, 1, 20), ret >= 0) {
if (ret == 0) {
wl_surface_map(surface,
- x + cos(i / 10.0) * 200,
- y + sin(i / 11.0) * 200,
+ x + cos(i / 30.0) * 200,
+ y + sin(i / 31.0) * 200,
width, height);
i++;
continue;