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authorMichele Calgaro <michele.calgaro@yahoo.it>2024-06-25 12:25:06 +0900
committerMichele Calgaro <michele.calgaro@yahoo.it>2024-06-25 12:25:06 +0900
commita09a6bc05e3f64c27e7c84dd768c7720fdf41136 (patch)
treefe5a644a42056c012132e5bbc57f3ce1ba40d5c2 /doc/tqvfb.doc
parentbba3e1fa3870a23f1cf0b5d1143ffd646ac797a4 (diff)
downloadtqt3-a09a6bc05e3f64c27e7c84dd768c7720fdf41136.tar.gz
tqt3-a09a6bc05e3f64c27e7c84dd768c7720fdf41136.zip
Remove documentation for QWS classes and Qt/Embedded
Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
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-/****************************************************************************
-**
-** Qt/Embedded Virtual Framebuffer
-**
-** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
-**
-** This file is part of the TQt GUI Toolkit.
-**
-** This file may be used under the terms of the GNU General
-** Public License versions 2.0 or 3.0 as published by the Free
-** Software Foundation and appearing in the files LICENSE.GPL2
-** and LICENSE.GPL3 included in the packaging of this file.
-** Alternatively you may (at your option) use any later version
-** of the GNU General Public License if such license has been
-** publicly approved by Trolltech ASA (or its successors, if any)
-** and the KDE Free TQt Foundation.
-**
-** Please review the following information to ensure GNU General
-** Public Licensing requirements will be met:
-** http://trolltech.com/products/qt/licenses/licensing/opensource/.
-** If you are unsure which license is appropriate for your use, please
-** review the following information:
-** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
-** or contact the sales department at sales@trolltech.com.
-**
-** This file may be used under the terms of the Q Public License as
-** defined by Trolltech ASA and appearing in the file LICENSE.QPL
-** included in the packaging of this file. Licensees holding valid Qt
-** Commercial licenses may use this file in accordance with the Qt
-** Commercial License Agreement provided with the Software.
-**
-** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
-** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
-** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
-** herein.
-**
-**********************************************************************/
-
-/*! \page emb-tqvfb.html
-
-\title Qt/Embedded Virtual Framebuffer
-
-The virtual framebuffer allows Qt/Embedded programs to be developed on
-a desktop machine, without switching between consoles and X11.
-
-The virtual framebuffer is located in \c $TQTDIR/tools/tqvfb.
-
-\section1 Using the Virtual Framebuffer
-
-\list 1
-\i Configure Qt/Embedded with the \c -tqvfb argument and compile the library:
- \code
- ./configure -tqvfb
- make
- \endcode
-\i Compile \c tqvfb as a normal Qt/X11 application and run it. Do \e not
- compile it as a Qt/Embedded application.
-\i Start a Qt/Embedded master application (i.e., construct
- QApplication with the QApplication::GuiServer flag or use the \c
- -qws command line parameter). You can specify to the server that
- you wish to use the virtual framebuffer driver, e.g.:
- \code
- masterapp -qws -display QVFb:0
- \endcode
-\i Qt/Embedded will autodetect tqvfb, so you can omit the \c -display
- command line parameter if you know that tqvfb is running, and that
- the Qt/Embedded library supports tqvfb. (If this is not the case,
- Qt/Embedded will write to the real framebuffer, and your X11
- display will be corrupted.)
-
-\endlist
-
-\c tqvfb supports the following command line options:
-
-\table
-\header \i Option \i Meaning
-\row
-\i \c -width \e width
-\i the width of the virtual framebuffer (default: 240).
-\row
-\i \c -height \e height
-\i the height of the virtual framebuffer (default: 320).
-\row
-\i \c -depth \e depth
-\i the depth of the virtual framebuffer (1, 8 or 32; default: 8).
-\row
-\i \c -nocursor
-\i do not display the X11 cursor in the framebuffer window.
-\row
-\i \c -qwsdisplay \e :id
-\i the Qt/Embedded display id to provide (default: :0).
-\endtable
-
-\section1 Virtual Framebuffer Design
-
-The virtual framebuffer emulates a framebuffer using a shared memory region
-(the virtual frame buffer) and a utility to display the framebuffer in a
-window (\c tqvfb). The regions of the display that have changed are updated
-periodically, so you will see discrete snapshots of the framebuffer rather
-than each individual drawing operation. For this reason drawing problems
-such as flickering may not be apparent until the program is run using a real
-framebuffer.
-
-The target refresh rate can be set via the <b>View|Refresh Rate</b>
-menu item. This will cause \c tqvfb to check for updated regions more
-frequently. The rate is a target only. If little drawing is being
-done, the framebuffer will not show any updates between drawing
-events. If an application is displaying an animation the updates will
-be frequent, then the application and \c tqvfb will compete for
-processor time.
-
-Mouse and keyboard events are passed to the Qt/Embedded master process via
-named pipes.
-
-The virtual framebuffer is a development tool only. No security issues have
-been considered in the virtual framebuffer design. It should be avoided
-in a production environment; do not configure production libraries with \c -tqvfb.
-
-*/