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XANTRONIX Development 2019-05-26 15:55:54 -05:00
parent 2dbe70a550
commit 0d6ecbfef3
1 changed files with 13 additions and 7 deletions
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20
examples/cluster.c
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@ -141,7 +141,11 @@ static void draw_mfd(cairo_t *cr,
cairo_stroke(cr); cairo_stroke(cr);
} }
static void redraw(cairo_t *cr) { static void draw_gauge_cluster(cairo_t *cr,
double x,
double y,
double width,
double height) {
/* /*
* Paint canvas black * Paint canvas black
*/ */
@ -161,7 +165,9 @@ int main(int argc, char **argv) {
Pixmap buf; Pixmap buf;
GC gc; GC gc;
int screen, x = 1024, y = 480; int screen,
width = 1024,
height = 480;
XGCValues values = { XGCValues values = {
.foreground = 0x000000, .foreground = 0x000000,
@ -178,19 +184,19 @@ int main(int argc, char **argv) {
exit(1); exit(1);
screen = DefaultScreen(display); screen = DefaultScreen(display);
win = XCreateSimpleWindow(display, DefaultRootWindow(display), 0, 0, x, y, 0, 0, 0); win = XCreateSimpleWindow(display, DefaultRootWindow(display), 0, 0, width, height, 0, 0, 0);
gc = XCreateGC(display, win, GCForeground | GCBackground | GCGraphicsExposures, &values); gc = XCreateGC(display, win, GCForeground | GCBackground | GCGraphicsExposures, &values);
buf = XCreatePixmap(display, win, x, y, 24); buf = XCreatePixmap(display, win, width, height, 24);
XSelectInput(display, win, ExposureMask | ButtonPressMask | KeyPressMask); XSelectInput(display, win, ExposureMask | ButtonPressMask | KeyPressMask);
XMapWindow(display, win); XMapWindow(display, win);
sfc = cairo_xlib_surface_create(display, buf, DefaultVisual(display, screen), x, y); sfc = cairo_xlib_surface_create(display, buf, DefaultVisual(display, screen), width, height);
cairo_xlib_surface_set_size(sfc, x, y); cairo_xlib_surface_set_size(sfc, width, height);
cr = cairo_create(sfc); cr = cairo_create(sfc);
redraw(cr); draw_gauge_cluster(cr, 0, 0, width, height);
while (1) { while (1) {
XExposeEvent *expose; XExposeEvent *expose;