don't load font unless needed

xrdp/xrdp.h

@@ -216,6 +216,7 @@ struct xrdp_painter* xrdp_painter_create(struct xrdp_wm* wn);
 void xrdp_painter_delete(struct xrdp_painter* self);
 int xrdp_painter_begin_update(struct xrdp_painter* self);
 int xrdp_painter_end_update(struct xrdp_painter* self);
+int xrdp_painter_font_needed(struct xrdp_painter* self);
 int xrdp_painter_set_clip(struct xrdp_painter* self,
                           int x, int y, int cx, int cy);
 int xrdp_painter_clr_clip(struct xrdp_painter* self);

xrdp/xrdp_bitmap.c

@@ -233,6 +233,7 @@ int xrdp_bitmap_set_focus(struct xrdp_bitmap* self, int focused)
     return 0;
   }
   painter = xrdp_painter_create(self->wm);
+  xrdp_painter_font_needed(painter);
   xrdp_painter_begin_update(painter);
   if (focused)
   {
@@ -827,6 +828,7 @@ int xrdp_bitmap_invalidate(struct xrdp_bitmap* self, struct xrdp_rect* rect)
   if (self->type == WND_TYPE_BITMAP) /* if 0, bitmap, leave */
     return 0;
   painter = xrdp_painter_create(self->wm);
+  xrdp_painter_font_needed(painter);
   painter->rop = 0xcc; /* copy */
   if (rect == 0)
     painter->use_clip = 0;

xrdp/xrdp_font.c

@@ -73,6 +73,7 @@ struct xrdp_font* xrdp_font_create(struct xrdp_wm* wm)
   int datasize;
   struct xrdp_font_item* f;
 
+  //g_printf("loading font\n");
   self = (struct xrdp_font*)g_malloc(sizeof(struct xrdp_font), 1);
   self->wm = wm;
   make_stream(s);