static int
use_gc (hidGC gc)
{
if (gc->me_pointer != &ghid_hid)
{
fprintf (stderr, "Fatal: GC from another HID passed to GTK HID\n");
abort ();
}
if (!gport->pixmap)
return 0;
if (!gc->gc)
{
gc->gc = gdk_gc_new (gport->top_window->window);
ghid_set_color (gc, gc->colorname);
ghid_set_line_width (gc, gc->width);
ghid_set_line_cap (gc, (EndCapStyle)gc->cap);
ghid_set_draw_xor (gc, gc->xor_mask);
}
if (gc->mask_seq != mask_seq)
{
if (mask_seq)
gdk_gc_set_clip_mask (gc->gc, gport->mask);
else
gdk_gc_set_clip_mask (gc->gc, NULL);
gc->mask_seq = mask_seq;
}
gport->u_gc = WHICH_GC (gc);
return 1;
}
static int
use_gc (hidGC gc)
{
render_priv *priv = gport->render_priv;
GdkWindow *window = gtk_widget_get_window (gport->top_window);
if (gc->me_pointer != &ghid_hid)
{
fprintf (stderr, "Fatal: GC from another HID passed to GTK HID\n");
abort ();
}
if (!gport->pixmap)
return 0;
if (!gc->gc)
{
gc->gc = gdk_gc_new (window);
ghid_set_color (gc, gc->colorname);
ghid_set_line_width (gc, gc->width);
ghid_set_line_cap (gc, (EndCapStyle)gc->cap);
ghid_set_draw_xor (gc, gc->xor_mask);
gdk_gc_set_clip_origin (gc->gc, 0, 0);
}
if (gc->mask_seq != mask_seq)
{
if (mask_seq)
gdk_gc_set_clip_mask (gc->gc, gport->mask);
else
set_clip (priv, gc->gc);
gc->mask_seq = mask_seq;
}
priv->u_gc = WHICH_GC (gc);
return 1;
}
void
ghid_set_line_width (hidGC gc, int width)
{
gc->width = width;
if (gc->gc)
gdk_gc_set_line_attributes (WHICH_GC (gc),
Vz (gc->width), GDK_LINE_SOLID,
(GdkCapStyle)gc->cap, (GdkJoinStyle)gc->join);
}
void
ghid_set_line_width (hidGC gc, Coord width)
{
render_priv *priv = gport->render_priv;
gc->width = width;
if (gc->gc)
gdk_gc_set_line_attributes (WHICH_GC (gc),
Vz (gc->width), GDK_LINE_SOLID,
(GdkCapStyle)gc->cap, (GdkJoinStyle)gc->join);
}
void
ghid_set_line_cap (hidGC gc, EndCapStyle style)
{
switch (style)
{
case Trace_Cap:
case Round_Cap:
gc->cap = GDK_CAP_ROUND;
gc->join = GDK_JOIN_ROUND;
break;
case Square_Cap:
case Beveled_Cap:
gc->cap = GDK_CAP_PROJECTING;
gc->join = GDK_JOIN_MITER;
break;
}
if (gc->gc)
gdk_gc_set_line_attributes (WHICH_GC (gc),
Vz (gc->width), GDK_LINE_SOLID,
(GdkCapStyle)gc->cap, (GdkJoinStyle)gc->join);
}
