From: Ian Jackson <ian@davenant.relativity.greenend.org.uk>
Date: Mon, 31 Dec 2007 22:53:31 +0000 (+0000)
Subject: allow turn off hidden line removal
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=d9aa142b98fffa94e33f47056090d42f8d6afae3;p=moebius2.git

allow turn off hidden line removal
---

diff --git a/view.c b/view.c
index e269e25..72ea237 100644
--- a/view.c
+++ b/view.c
@@ -114,7 +114,7 @@ static Window window;
 static DrawingMode dmred, dmblue, dmwhite;
 static const DrawingMode *dmcurrent;
 static int wwidth=WSZ, wheight=WSZ, wmindim=WSZ, wmaxdim=WSZ;
-static int ncut, currentbuffer, x11depth, x11screen;
+static int ncut, currentbuffer, x11depth, x11screen, wireframe;
 XVisualInfo visinfo;
 
 static double sizeadj_scale= 0.3, eyes_apart, scale_wmindim;
@@ -141,8 +141,9 @@ static void drawtriangle(const Triangle *t) {
   }
   points[3]= points[0];
 
-  XA( XFillPolygon(display,pixmap, dmcurrent->fillgc,
-		   points,3,Convex,CoordModeOrigin) );
+  if (!wireframe)
+    XA( XFillPolygon(display,pixmap, dmcurrent->fillgc,
+		     points,3,Convex,CoordModeOrigin) );
   XA( XDrawLines(display,pixmap, dmcurrent->linegc,
 		 points, 4,CoordModeOrigin) );
 }
@@ -530,6 +531,11 @@ static void event_key(XKeyEvent *e) {
   }
 
   if (!strcmp(buf,"q")) exit(0);
+  if (!strcmp(buf,"w")) {
+    wireframe= !wireframe;
+    show();
+    return;
+  }
   if (!strcmp(buf,"d")) {
     eyes_apart= eyes_apart>0 ? eyes_apart_min : eyes_apart_preferred;
     show();