my flexipatch

patch/roundedcorners.c

@@ -0,0 +1,51 @@
+#include <X11/extensions/shape.h>
+
+void drawroundedcorners(Client *c)
+{
+    if (corner_radius <= 0 || !c || c->isfullscreen)
+    	return;
+
+    Window win;
+    win = c->win;
+    if (!win)
+    	return;
+
+    XWindowAttributes win_attr;
+    if (!XGetWindowAttributes(dpy, win, &win_attr))
+    	return;
+
+    int dia = 2 * corner_radius;
+    int w = c->w;
+    int h = c->h;
+    if (w < dia || h < dia)
+    	return;
+
+    Pixmap mask;
+    mask = XCreatePixmap(dpy, win, w, h, 1);
+    if (!mask)
+    	return;
+
+    XGCValues xgcv;
+    GC shape_gc;
+    shape_gc = XCreateGC(dpy, mask, 0, &xgcv);
+
+    if (!shape_gc) {
+        XFreePixmap(dpy, mask);
+        free(shape_gc);
+        return;
+    }
+
+    XSetForeground(dpy, shape_gc, 0);
+    XFillRectangle(dpy, mask, shape_gc, 0, 0, w, h);
+    XSetForeground(dpy, shape_gc, 1);
+    XFillArc(dpy, mask, shape_gc, 0, 0, dia, dia, 0, 23040);
+    XFillArc(dpy, mask, shape_gc, w-dia-1, 0, dia, dia, 0, 23040);
+    XFillArc(dpy, mask, shape_gc, 0, h-dia-1, dia, dia, 0, 23040);
+    XFillArc(dpy, mask, shape_gc, w-dia-1, h-dia-1, dia, dia, 0, 23040);
+    XFillRectangle(dpy, mask, shape_gc, corner_radius, 0, w-dia, h);
+    XFillRectangle(dpy, mask, shape_gc, 0, corner_radius, w, h-dia);
+    XShapeCombineMask(dpy, win, ShapeBounding, 0, 0, mask, ShapeSet);
+    XFreePixmap(dpy, mask);
+    XFreeGC(dpy, shape_gc);
+}
+