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new dpi check too

This commit is contained in:
Adam D. Ruppe 2019-01-08 17:33:44 -05:00
parent baeadebbc4
commit 589df3f3da
1 changed files with 40 additions and 3 deletions
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37
simpledisplay.d
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@ -1171,14 +1171,51 @@ float[2] getDpi() {
auto display = XDisplayConnection.get; auto display = XDisplayConnection.get;
auto screen = DefaultScreen(display); auto screen = DefaultScreen(display);
void fallback() {
// 25.4 millimeters in an inch... // 25.4 millimeters in an inch...
dpi[0] = cast(float) DisplayWidth(display, screen) / DisplayWidthMM(display, screen) * 25.4; dpi[0] = cast(float) DisplayWidth(display, screen) / DisplayWidthMM(display, screen) * 25.4;
dpi[1] = cast(float) DisplayHeight(display, screen) / DisplayHeightMM(display, screen) * 25.4; dpi[1] = cast(float) DisplayHeight(display, screen) / DisplayHeightMM(display, screen) * 25.4;
} }
char* resourceString = XResourceManagerString(display);
XrmInitialize();
auto db = XrmGetStringDatabase(resourceString);
if (resourceString) {
XrmValue value;
char* type;
if (XrmGetResource(db, "Xft.dpi", "String", &type, &value) == true) {
if (value.addr) {
import core.stdc.stdlib;
dpi[0] = atof(cast(char*) value.addr);
dpi[1] = dpi[0];
} else {
fallback();
}
} else {
fallback();
}
} else {
fallback();
}
}
return dpi; return dpi;
} }
version(X11) {
extern(C) char* XResourceManagerString(Display*);
extern(C) void XrmInitialize();
extern(C) XrmDatabase XrmGetStringDatabase(char* data);
extern(C) bool XrmGetResource(XrmDatabase, const char*, const char*, char**, XrmValue*);
alias XrmDatabase = void*;
struct XrmValue {
uint size;
void* addr;
}
}
TrueColorImage trueColorImageFromNativeHandle(NativeWindowHandle handle, int width, int height) { TrueColorImage trueColorImageFromNativeHandle(NativeWindowHandle handle, int width, int height) {
throw new Exception("not implemented"); throw new Exception("not implemented");
version(none) { version(none) {