mirror of https://github.com/axmolengine/axmol.git
43 lines
887 B
C++
43 lines
887 B
C++
#include "platform/CCDevice.h"
|
|
#include <X11/Xlib.h>
|
|
#include <stdio.h>
|
|
|
|
NS_CC_BEGIN
|
|
|
|
int Device::getDPI()
|
|
{
|
|
static int dpi = -1;
|
|
if (dpi == -1)
|
|
{
|
|
Display *dpy;
|
|
char *displayname = NULL;
|
|
int scr = 0; /* Screen number */
|
|
dpy = XOpenDisplay (displayname);
|
|
/*
|
|
* there are 2.54 centimeters to an inch; so there are 25.4 millimeters.
|
|
*
|
|
* dpi = N pixels / (M millimeters / (25.4 millimeters / 1 inch))
|
|
* = N pixels / (M inch / 25.4)
|
|
* = N * 25.4 pixels / M inch
|
|
*/
|
|
double xres = ((((double) DisplayWidth(dpy,scr)) * 25.4) /
|
|
((double) DisplayWidthMM(dpy,scr)));
|
|
dpi = (int) (xres + 0.5);
|
|
//printf("dpi = %d\n", dpi);
|
|
XCloseDisplay (dpy);
|
|
}
|
|
return dpi;
|
|
}
|
|
|
|
void Device::setAccelerometerEnabled(bool isEnabled)
|
|
{
|
|
|
|
}
|
|
|
|
void Device::setAccelerometerInterval(float interval)
|
|
{
|
|
|
|
}
|
|
|
|
NS_CC_END
|