/****************************************************************************+ −
**+ −
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+ −
** All rights reserved.+ −
** Contact: Nokia Corporation (qt-info@nokia.com)+ −
**+ −
** This file is part of the QtGui module of the Qt Toolkit.+ −
**+ −
** $QT_BEGIN_LICENSE:LGPL$+ −
** No Commercial Usage+ −
** This file contains pre-release code and may not be distributed.+ −
** You may use this file in accordance with the terms and conditions+ −
** contained in the Technology Preview License Agreement accompanying+ −
** this package.+ −
**+ −
** 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, Nokia gives you certain additional+ −
** rights. These rights are described in the Nokia Qt LGPL Exception+ −
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+ −
**+ −
** If you have questions regarding the use of this file, please contact+ −
** Nokia at qt-info@nokia.com.+ −
**+ −
**+ −
**+ −
**+ −
**+ −
**+ −
**+ −
**+ −
** $QT_END_LICENSE$+ −
**+ −
****************************************************************************/+ −
+ −
#include <qpixmap.h>+ −
#include <qapplication.h>+ −
#include <qwidget.h>+ −
#include <qdesktopwidget.h>+ −
#include <qscreen_qws.h>+ −
#include <qwsdisplay_qws.h>+ −
#include <private/qdrawhelper_p.h>+ −
#include <private/qpixmap_raster_p.h>+ −
+ −
+ −
QT_BEGIN_NAMESPACE+ −
+ −
QPixmap QPixmap::grabWindow(WId window, int x, int y, int w, int h)+ −
{+ −
QWidget *widget = QWidget::find(window);+ −
if (!widget)+ −
return QPixmap();+ −
+ −
QRect grabRect = widget->frameGeometry();+ −
if (!widget->isWindow())+ −
grabRect.translate(widget->parentWidget()->mapToGlobal(QPoint()));+ −
if (w < 0)+ −
w = widget->width() - x;+ −
if (h < 0)+ −
h = widget->height() - y;+ −
grabRect &= QRect(x, y, w, h).translated(widget->mapToGlobal(QPoint()));+ −
+ −
QScreen *screen = qt_screen;+ −
QDesktopWidget *desktop = QApplication::desktop();+ −
if (!desktop)+ −
return QPixmap();+ −
if (desktop->numScreens() > 1) {+ −
const int screenNo = desktop->screenNumber(widget);+ −
if (screenNo != -1)+ −
screen = qt_screen->subScreens().at(screenNo);+ −
grabRect = grabRect.translated(-screen->region().boundingRect().topLeft());+ −
}+ −
+ −
if (screen->pixelFormat() == QImage::Format_Invalid) {+ −
qWarning("QPixmap::grabWindow(): Unable to copy pixels from framebuffer");+ −
return QPixmap();+ −
}+ −
+ −
if (screen->isTransformed()) {+ −
const QSize screenSize(screen->width(), screen->height());+ −
grabRect = screen->mapToDevice(grabRect, screenSize);+ −
}+ −
+ −
QWSDisplay::grab(false);+ −
QPixmap pixmap;+ −
QImage img(screen->base(),+ −
screen->deviceWidth(), screen->deviceHeight(),+ −
screen->linestep(), screen->pixelFormat());+ −
img = img.copy(grabRect);+ −
QWSDisplay::ungrab();+ −
+ −
if (screen->isTransformed()) {+ −
QMatrix matrix;+ −
switch (screen->transformOrientation()) {+ −
case 1: matrix.rotate(90); break;+ −
case 2: matrix.rotate(180); break;+ −
case 3: matrix.rotate(270); break;+ −
default: break;+ −
}+ −
img = img.transformed(matrix);+ −
}+ −
+ −
if (screen->pixelType() == QScreen::BGRPixel)+ −
img = img.rgbSwapped();+ −
+ −
return QPixmap::fromImage(img);+ −
}+ −
+ −
QRgb* QPixmap::clut() const+ −
{+ −
if (data && data->classId() == QPixmapData::RasterClass) {+ −
const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data());+ −
return d->image.colorTable().data();+ −
}+ −
+ −
return 0;+ −
}+ −
+ −
int QPixmap::numCols() const+ −
{+ −
return colorCount();+ −
}+ −
+ −
int QPixmap::colorCount() const+ −
{+ −
if (data && data->classId() == QPixmapData::RasterClass) {+ −
const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data());+ −
return d->image.colorCount();+ −
}+ −
+ −
return 0;+ −
}+ −
+ −
const uchar* QPixmap::qwsBits() const+ −
{+ −
if (data && data->classId() == QPixmapData::RasterClass) {+ −
const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data());+ −
return d->image.bits();+ −
}+ −
+ −
return 0;+ −
}+ −
+ −
int QPixmap::qwsBytesPerLine() const+ −
{+ −
if (data && data->classId() == QPixmapData::RasterClass) {+ −
const QRasterPixmapData *d = static_cast<const QRasterPixmapData*>(data.data());+ −
return d->image.bytesPerLine();+ −
}+ −
+ −
return 0;+ −
}+ −
+ −
QT_END_NAMESPACE+ −