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qt
qwt_paint_buffer.h
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/*-*- c++ -*-******************************************************************
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* Qwt Widget Library
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* Copyright (C) 1997 Josef Wilgen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*****************************************************************************/
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#ifndef QWT_PAINT_BUFFER_H
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#define QWT_PAINT_BUFFER_H 1
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#include <qpixmap.h>
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//#include "qwt_global.h"
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class
QPainter
;
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namespace
hippodraw {
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class
QwtPaintBuffer
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{
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public
:
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QwtPaintBuffer
();
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QwtPaintBuffer
(
QPaintDevice
*,
const
QRect
&,
QPainter
*
painter
= NULL);
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virtual
~QwtPaintBuffer
();
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void
open
(
QPaintDevice
*,
const
QRect
&,
QPainter
*
painter
= NULL);
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void
close
();
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QPainter
*
painter
();
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const
QPaintDevice
*
device
();
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static
void
setEnabled
(
bool
enable);
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static
bool
isEnabled
();
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protected
:
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void
flush
();
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private
:
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QPixmap
d_pixBuffer
;
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QRect
d_rect
;
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QPaintDevice
*
d_device
;
// use QGuardedPtr
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QPainter
*
d_painter
;
// use QGuardedPtr
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QPainter
*
d_devicePainter
;
// use QGuardedPtr
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static
bool
d_enabled
;
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};
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}
// namespace hippodraw
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#endif
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