shithub: map

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fixes graphical glitch

--- a/img.c

+++ b/img.c

@@ -9,6 +9,8 @@

 extern int tilesize;

 extern Point drawoffset;

+Image *green = nil;

+

 ImageUpdated callbackfunc;

 void

@@ -33,12 +35,16 @@

 	loaded = readimage(display, fd, 0);

 	close(fd);

+	r = rectaddpt(r, pos);

 	lockmapimage();

-	draw(mapimage, rectaddpt(r, pos), loaded, nil, ZP);

+	draw(mapimage, r, loaded, nil, ZP);

 	if (debug) {

 		snprint(file, sizeof file, "%d / %d", b.x, b.y);

 		border(mapimage, rectaddpt(r, pos), 1, display->black, ZP);

 		string(mapimage, pos, display->black, ZP, font, file);

+		if (!green)

+			green = allocimage(display, Rect(0, 0, 1, 1), screen->chan, 1, DGreen);

+		border(mapimage, mapimage->r, 1, green, ZP);

 	}

 	unlockmapimage();

--- a/map.c

+++ b/map.c

@@ -244,8 +244,8 @@

 	r.min = ZP;

 	viewsize.x = Dx(nimage->slot.r);

 	viewsize.y = Dy(nimage->slot.r);

-	r.max.x = (viewsize.x/tilesize + 2) * tilesize;

-	r.max.y = (viewsize.y/tilesize + 2) * tilesize;

+	r.max.x = (viewsize.x/tilesize + 3) * tilesize;

+	r.max.y = (viewsize.y/tilesize + 3) * tilesize;

 	mapimagesize = r.max;

 	mapimage = allocimage(display, r, screen->chan, 0, DWhite);

@@ -308,7 +308,6 @@

 {

 	double v;

 	double deg = gettiledeg();

-	fprint(2, "deg: %f\n", deg);

 	if (x) *x = deg * m;

 	if (y) {

 		v = 1. - fabs(gpsloc.lat) / 90.;