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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the plugins of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "eglnullwsscreen.h"
#include "eglnullwswindowsurface.h"
#include "eglnullwsscreenplugin.h"
#include <QHash>
#include <QDebug>
namespace
{
class EGLNullWSScreenSurfaceFunctions : public QGLScreenSurfaceFunctions
{
public:
virtual bool createNativeWindow(QWidget *, EGLNativeWindowType *native)
{ *native = 0; return true; }
};
}
EGLNullWSScreen::EGLNullWSScreen(int displayId) : QGLScreen(displayId) {}
EGLNullWSScreen::~EGLNullWSScreen() {}
bool EGLNullWSScreen::initDevice()
{
setSurfaceFunctions(new EGLNullWSScreenSurfaceFunctions);
return true;
}
static const QHash<QString, QImage::Format> formatDictionary()
{
QHash<QString, QImage::Format> dictionary;
dictionary["rgb32"] = QImage::Format_RGB32;
dictionary["argb32"] = QImage::Format_ARGB32;
dictionary["rgb16"] = QImage::Format_RGB16;
dictionary["rgb666"] = QImage::Format_RGB666;
dictionary["rgb555"] = QImage::Format_RGB555;
dictionary["rgb888"] = QImage::Format_RGB888;
dictionary["rgb444"] = QImage::Format_RGB444;
return dictionary;
}
static int depthForFormat(QImage::Format format)
{
switch (format) {
case QImage::Format_RGB32: return 32;
case QImage::Format_ARGB32: return 32;
case QImage::Format_RGB16: return 16;
case QImage::Format_RGB666: return 24;
case QImage::Format_RGB555: return 16;
case QImage::Format_RGB888: return 24;
case QImage::Format_RGB444: return 16;
default:
Q_ASSERT_X(false, "EGLNullWSScreen", "Unknown format");
return -1;
}
}
static void printHelp(const QHash<QString, QImage::Format> &formatDictionary)
{
QByteArray formatsBuf;
QTextStream(&formatsBuf) << QStringList(formatDictionary.keys()).join(", ");
qWarning(
"%s: Valid options are:\n"
"size=WIDTHxHEIGHT Screen size reported by this driver\n"
"format=FORMAT Screen format, where FORMAT is one of the following:\n"
" %s\n",
PluginName,
formatsBuf.constData());
}
bool EGLNullWSScreen::connect(const QString &displaySpec)
{
const QStringList args = displaySpec.section(':', 1).split(':', QString::SkipEmptyParts);
const QHash<QString, QImage::Format> formatDict = formatDictionary();
Q_FOREACH(const QString arg, args) {
const QString optionName = arg.section('=', 0, 0);
const QString optionArg = arg.section('=', 1);
if (optionName == QLatin1String("size")) {
w = optionArg.section('x', 0, 0).toInt();
h = optionArg.section('x', 1, 1).toInt();
} else if (optionName == QLatin1String("format")) {
if (formatDict.contains(optionArg))
setPixelFormat(formatDict.value(optionArg));
else
printHelp(formatDict);
} else {
printHelp(formatDict);
}
}
if (w == 0 || h == 0) {
w = 640;
h = 480;
qWarning("%s: Using default screen size %dx%d", PluginName, w, h);
}
dw = w;
dh = h;
if (pixelFormat() == QImage::Format_Invalid) {
qWarning("%s: Using default screen format argb32", PluginName);
setPixelFormat(QImage::Format_ARGB32);
}
d = depthForFormat(pixelFormat());
static const int Dpi = 120;
static const qreal ScalingFactor = static_cast<qreal>(25.4) / Dpi;
physWidth = qRound(dw * ScalingFactor);
physHeight = qRound(dh * ScalingFactor);
return true;
}
void EGLNullWSScreen::disconnect() {}
void EGLNullWSScreen::shutdownDevice() {}
void EGLNullWSScreen::setMode(int /*width*/, int /*height*/, int /*depth*/) {}
void EGLNullWSScreen::blank(bool /*on*/) {}
void EGLNullWSScreen::exposeRegion(QRegion /*r*/, int /*changing*/) {}
QWSWindowSurface* EGLNullWSScreen::createSurface(QWidget *widget) const
{
if (qobject_cast<QGLWidget*>(widget)) {
return new EGLNullWSWindowSurface(widget);
} else {
qWarning("%s: Creating non-GL surface", PluginName);
return QScreen::createSurface(widget);
}
}
QWSWindowSurface* EGLNullWSScreen::createSurface(const QString &key) const
{
if (key == QLatin1String("eglnullws")) {
return new EGLNullWSWindowSurface;
} else {
qWarning("%s: Creating non-GL surface", PluginName);
return QScreen::createSurface(key);
}
}
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