/**************************************************************************** ** ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). ** 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 #include #include #include #include #include #include #include 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->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast(data); return d->image.colorTable().data(); } return 0; } int QPixmap::numCols() const { if (data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast(data); return d->image.numColors(); } return 0; } const uchar* QPixmap::qwsBits() const { if (data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast(data); return d->image.bits(); } return 0; } int QPixmap::qwsBytesPerLine() const { if (data->classId() == QPixmapData::RasterClass) { const QRasterPixmapData *d = static_cast(data); return d->image.bytesPerLine(); } return 0; }