+ assert(image->width == _size.width());
+ assert(image->height == _size.height());
+
+ if (_pixmap == None)
+ createObjects();
+
+ XPutImage(**display, _pixmap, DefaultGC(**display, _screen),
+ image, 0, 0, 0, 0, _size.width(), _size.height());
+}
+
+void Surface::createObjects()
+{
+ assert(_pixmap == None); assert(!_xftdraw);
+
+ const ScreenInfo *info = display->screenInfo(_screen);
+
+ _pixmap = XCreatePixmap(**display, info->rootWindow(),
+ _size.width(), _size.height(), info->depth());
+ assert(_pixmap != None);
+
+ _xftdraw = XftDrawCreate(**display, _pixmap,
+ info->visual(), info->colormap());
+ assert(_xftdraw);
+}
+
+void Surface::destroyObjects()
+{
+ if (_xftdraw) {
+ XftDrawDestroy(_xftdraw);
+ _xftdraw = 0;
+ }
+
+ if (_pixmap != None) {
+ XFreePixmap(**display, _pixmap);
+ _pixmap = None;
+ }