ref: bd9a6972be2ab52d881e842778731c0122bcaca2
dir: /hidpi-drawterm-metal-cocoa.patch/
diff 0b7990cf2b84e7a80cf3f3a9e7eadca10d51a2c5 uncommitted
--- a/include/draw.h
+++ b/include/draw.h
@@ -193,6 +193,7 @@
Image *windows;
Image *screenimage;
int _isnewdisplay;
+ int dpi;
};
struct Image
--- a/kern/devdraw.c
+++ b/kern/devdraw.c
@@ -76,6 +76,8 @@
int refreshme;
int infoid;
int op;
+ int displaydpi;
+ int forcedpi;
};
struct Refresh
@@ -166,6 +168,8 @@
Client* drawclientofpath(ulong);
DImage* allocdimage(Memimage*);
+int displaydpi = 200;
+
static char Enodrawimage[] = "unknown id for draw image";
static char Enodrawscreen[] = "unknown id for draw screen";
static char Eshortdraw[] = "short draw message";
@@ -783,6 +787,7 @@
cl->slot = i;
cl->clientid = ++sdraw.clientid;
cl->op = SoverD;
+ cl->displaydpi = displaydpi;
sdraw.client[i] = cl;
return cl;
}
@@ -1408,6 +1413,7 @@
int c, repl, m, y, dstid, scrnid, ni, ci, j, nw, e0, e1, op, ox, oy, oesize, esize, doflush;
uchar *u, *a, refresh;
char *fmt;
+ Fmt f;
ulong value, chan;
Rectangle r, clipr;
Point p, q, *pp, sp;
@@ -1654,6 +1660,34 @@
memset(font->fchar, 0, ni*sizeof(FChar));
font->nfchar = ni;
font->ascent = a[9];
+ continue;
+
+ /* query: 'Q' n[1] queryspec[n] */
+ case 'q':
+ if(n < 2)
+ error(Eshortdraw);
+ m = 1+1+a[1];
+ if(n < m)
+ error(Eshortdraw);
+ fmtstrinit(&f);
+ for(c=0; c<a[1]; c++){
+ switch(a[2+c]){
+ default:
+ error("unknown query");
+ break;
+ case 'd': /* dpi */
+ if(client->forcedpi)
+ fmtprint(&f, "%11d ", client->forcedpi);
+ else {
+ fmtprint(&f, "%11d ", client->displaydpi);
+ }
+ break;
+ }
+ }
+ client->readdata = (uchar*)fmtstrflush(&f);
+ if(client->readdata == nil)
+ error(Enomem);
+ client->nreaddata = strlen((char*)client->readdata);
continue;
/* load character: 'l' fontid[4] srcid[4] index[2] R[4*4] P[2*4] left[1] width[1] */