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Diffstat (limited to 'src/gui/embedded/qscreentransformed_qws.cpp')
| -rw-r--r-- | src/gui/embedded/qscreentransformed_qws.cpp | 748 |
1 files changed, 0 insertions, 748 deletions
diff --git a/src/gui/embedded/qscreentransformed_qws.cpp b/src/gui/embedded/qscreentransformed_qws.cpp deleted file mode 100644 index f37ab8084b..0000000000 --- a/src/gui/embedded/qscreentransformed_qws.cpp +++ /dev/null @@ -1,748 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2011 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 "qscreentransformed_qws.h" - -#ifndef QT_NO_QWS_TRANSFORMED -#include <qscreendriverfactory_qws.h> -#include <qvector.h> -#include <private/qpainter_p.h> -#include <private/qmemrotate_p.h> -#include <qmatrix.h> - -#include <unistd.h> -#include <sys/ioctl.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/mman.h> -#include <fcntl.h> -#include <errno.h> - -#include <qwindowsystem_qws.h> -#include <qwsdisplay_qws.h> - -QT_BEGIN_NAMESPACE - -//#define QT_REGION_DEBUG - -#ifdef QT_REGION_DEBUG -#include <QDebug> -#endif - -class QTransformedScreenPrivate -{ -public: - QTransformedScreenPrivate(QTransformedScreen *parent); - - void configure(); - - QTransformedScreen::Transformation transformation; -#ifdef QT_QWS_DEPTH_GENERIC - bool doGenericColors; -#endif - QTransformedScreen *q; -}; - -QTransformedScreenPrivate::QTransformedScreenPrivate(QTransformedScreen *parent) - : transformation(QTransformedScreen::None), -#ifdef QT_QWS_DEPTH_GENERIC - doGenericColors(false), -#endif - q(parent) -{ -} - -extern "C" -#ifndef QT_BUILD_GUI_LIB -Q_DECL_EXPORT -#endif -void qws_setScreenTransformation(QScreen *that, int t) -{ - QTransformedScreen *tscreen = static_cast<QTransformedScreen*>(that); - tscreen->setTransformation((QTransformedScreen::Transformation)t); -} - -// --------------------------------------------------------------------------- -// Transformed Screen -// --------------------------------------------------------------------------- - -/*! - \internal - - \class QTransformedScreen - \ingroup qws - - \brief The QTransformedScreen class implements a screen driver for - a transformed screen. - - Note that this class is only available in \l{Qt for Embedded Linux}. - Custom screen drivers can be added by subclassing the - QScreenDriverPlugin class, using the QScreenDriverFactory class to - dynamically load the driver into the application, but there should - only be one screen object per application. - - Use the QScreen::isTransformed() function to determine if a screen - is transformed. The QTransformedScreen class itself provides means - of rotating the screen with its setTransformation() function; the - transformation() function returns the currently set rotation in - terms of the \l Transformation enum (which describes the various - available rotation settings). Alternatively, QTransformedScreen - provides an implementation of the QScreen::transformOrientation() - function, returning the current rotation as an integer value. - - \sa QScreen, QScreenDriverPlugin, {Running Applications} -*/ - -/*! - \enum QTransformedScreen::Transformation - - This enum describes the various rotations a transformed screen can - have. - - \value None No rotation - \value Rot90 90 degrees rotation - \value Rot180 180 degrees rotation - \value Rot270 270 degrees rotation -*/ - -/*! - \fn bool QTransformedScreen::isTransformed() const - \reimp -*/ - -/*! - Constructs a QTransformedScreen object. The \a displayId argument - identifies the Qt for Embedded Linux server to connect to. -*/ -QTransformedScreen::QTransformedScreen(int displayId) - : QProxyScreen(displayId, QScreen::TransformedClass) -{ - d_ptr = new QTransformedScreenPrivate(this); - d_ptr->transformation = None; - -#ifdef QT_REGION_DEBUG - qDebug() << "QTransformedScreen::QTransformedScreen"; -#endif -} - -void QTransformedScreenPrivate::configure() -{ - // ###: works because setTransformation recalculates unconditionally - q->setTransformation(transformation); -} - -/*! - Destroys the QTransformedScreen object. -*/ -QTransformedScreen::~QTransformedScreen() -{ - delete d_ptr; -} - -static int getDisplayId(const QString &spec) -{ - QRegExp regexp(QLatin1String(":(\\d+)\\b")); - if (regexp.lastIndexIn(spec) != -1) { - const QString capture = regexp.cap(1); - return capture.toInt(); - } - return 0; -} - -static QTransformedScreen::Transformation filterTransformation(QString &spec) -{ - QRegExp regexp(QLatin1String("\\bRot(\\d+):?\\b"), Qt::CaseInsensitive); - if (regexp.indexIn(spec) == -1) - return QTransformedScreen::None; - - const int degrees = regexp.cap(1).toInt(); - spec.remove(regexp.pos(0), regexp.matchedLength()); - - return static_cast<QTransformedScreen::Transformation>(degrees / 90); -} - -/*! - \reimp -*/ -bool QTransformedScreen::connect(const QString &displaySpec) -{ - QString dspec = displaySpec.trimmed(); - if (dspec.startsWith(QLatin1String("Transformed:"), Qt::CaseInsensitive)) - dspec = dspec.mid(QString::fromLatin1("Transformed:").size()); - else if (!dspec.compare(QLatin1String("Transformed"), Qt::CaseInsensitive)) - dspec = QString(); - - const QString displayIdSpec = QString::fromLatin1(" :%1").arg(displayId); - if (dspec.endsWith(displayIdSpec)) - dspec = dspec.left(dspec.size() - displayIdSpec.size()); - - d_ptr->transformation = filterTransformation(dspec); - - QString driver = dspec; - int colon = driver.indexOf(QLatin1Char(':')); - if (colon >= 0) - driver.truncate(colon); - - if (!QScreenDriverFactory::keys().contains(driver, Qt::CaseInsensitive)) - if (!dspec.isEmpty()) - dspec.prepend(QLatin1Char(':')); - - const int id = getDisplayId(dspec); - QScreen *s = qt_get_screen(id, dspec.toLatin1().constData()); - setScreen(s); - -#ifdef QT_QWS_DEPTH_GENERIC - d_ptr->doGenericColors = dspec.contains(QLatin1String("genericcolors")); -#endif - - d_ptr->configure(); - - // XXX - qt_screen = this; - - return true; -} - -/*! - Returns the currently set rotation. - - \sa setTransformation(), QScreen::transformOrientation() -*/ -QTransformedScreen::Transformation QTransformedScreen::transformation() const -{ - return d_ptr->transformation; -} - -/*! - \reimp -*/ -int QTransformedScreen::transformOrientation() const -{ - return (int)d_ptr->transformation; -} - -/*! - \reimp -*/ -void QTransformedScreen::exposeRegion(QRegion region, int changing) -{ - if (!data || d_ptr->transformation == None) { - QProxyScreen::exposeRegion(region, changing); - return; - } - QScreen::exposeRegion(region, changing); -} - -/*! - Rotates this screen object according to the specified \a transformation. - - \sa transformation() -*/ -void QTransformedScreen::setTransformation(Transformation transformation) -{ - d_ptr->transformation = transformation; - QSize size = mapFromDevice(QSize(dw, dh)); - w = size.width(); - h = size.height(); - - const QScreen *s = screen(); - size = mapFromDevice(QSize(s->physicalWidth(), s->physicalHeight())); - physWidth = size.width(); - physHeight = size.height(); - -#ifdef QT_REGION_DEBUG - qDebug() << "QTransformedScreen::setTransformation" << transformation - << "size" << w << h << "dev size" << dw << dh; -#endif - -} - -static inline QRect correctNormalized(const QRect &r) { - const int x1 = qMin(r.left(), r.right()); - const int x2 = qMax(r.left(), r.right()); - const int y1 = qMin(r.top(), r.bottom()); - const int y2 = qMax(r.top(), r.bottom()); - - return QRect( QPoint(x1,y1), QPoint(x2,y2) ); -} - -template <class DST, class SRC> -static inline void blit90(QScreen *screen, const QImage &image, - const QRect &rect, const QPoint &topLeft) -{ - const SRC *src = (const SRC*)(image.scanLine(rect.top())) + rect.left(); - DST *dest = (DST*)(screen->base() + topLeft.y() * screen->linestep()) - + topLeft.x(); - qt_memrotate90(src, rect.width(), rect.height(), image.bytesPerLine(), - dest, screen->linestep()); -} - -template <class DST, class SRC> -static inline void blit180(QScreen *screen, const QImage &image, - const QRect &rect, const QPoint &topLeft) -{ - const SRC *src = (const SRC*)(image.scanLine(rect.top())) + rect.left(); - DST *dest = (DST*)(screen->base() + topLeft.y() * screen->linestep()) - + topLeft.x(); - qt_memrotate180(src, rect.width(), rect.height(), image.bytesPerLine(), - dest, screen->linestep()); -} - -template <class DST, class SRC> -static inline void blit270(QScreen *screen, const QImage &image, - const QRect &rect, const QPoint &topLeft) -{ - const SRC *src = (const SRC *)(image.scanLine(rect.top())) + rect.left(); - DST *dest = (DST*)(screen->base() + topLeft.y() * screen->linestep()) - + topLeft.x(); - qt_memrotate270(src, rect.width(), rect.height(), image.bytesPerLine(), - dest, screen->linestep()); -} - -typedef void (*BlitFunc)(QScreen *, const QImage &, const QRect &, const QPoint &); - -#define SET_BLIT_FUNC(dst, src, rotation, func) \ -do { \ - switch (rotation) { \ - case Rot90: \ - func = blit90<dst, src>; \ - break; \ - case Rot180: \ - func = blit180<dst, src>; \ - break; \ - case Rot270: \ - func = blit270<dst, src>; \ - break; \ - default: \ - break; \ - } \ -} while (0) - -/*! - \reimp -*/ -void QTransformedScreen::blit(const QImage &image, const QPoint &topLeft, - const QRegion ®ion) -{ - const Transformation trans = d_ptr->transformation; - if (trans == None) { - QProxyScreen::blit(image, topLeft, region); - return; - } - - const QVector<QRect> rects = region.rects(); - const QRect bound = QRect(0, 0, QScreen::w, QScreen::h) - & QRect(topLeft, image.size()); - - BlitFunc func = 0; -#ifdef QT_QWS_DEPTH_GENERIC - if (d_ptr->doGenericColors && depth() == 16) { - if (image.depth() == 16) - SET_BLIT_FUNC(qrgb_generic16, quint16, trans, func); - else - SET_BLIT_FUNC(qrgb_generic16, quint32, trans, func); - } else -#endif - switch (depth()) { -#ifdef QT_QWS_DEPTH_32 - case 32: -#ifdef QT_QWS_DEPTH_16 - if (image.depth() == 16) - SET_BLIT_FUNC(quint32, quint16, trans, func); - else -#endif - SET_BLIT_FUNC(quint32, quint32, trans, func); - break; -#endif -#if defined(QT_QWS_DEPTH_24) || defined(QT_QWS_DEPTH18) - case 24: - case 18: - SET_BLIT_FUNC(quint24, quint24, trans, func); - break; -#endif -#if defined(QT_QWS_DEPTH_16) || defined(QT_QWS_DEPTH_15) || defined(QT_QWS_DEPTH_12) - case 16: -#if defined QT_QWS_ROTATE_BGR - if (pixelType() == BGRPixel && image.depth() == 16) { - SET_BLIT_FUNC(qbgr565, quint16, trans, func); - break; - } //fall-through here!!! -#endif - case 15: -#if defined QT_QWS_ROTATE_BGR - if (pixelType() == BGRPixel && image.format() == QImage::Format_RGB555) { - SET_BLIT_FUNC(qbgr555, qrgb555, trans, func); - break; - } //fall-through here!!! -#endif - case 12: - if (image.depth() == 16) - SET_BLIT_FUNC(quint16, quint16, trans, func); - else - SET_BLIT_FUNC(quint16, quint32, trans, func); - break; -#endif -#ifdef QT_QWS_DEPTH_8 - case 8: - if (image.format() == QImage::Format_RGB444) - SET_BLIT_FUNC(quint8, qrgb444, trans, func); - else if (image.depth() == 16) - SET_BLIT_FUNC(quint8, quint16, trans, func); - else - SET_BLIT_FUNC(quint8, quint32, trans, func); - break; -#endif - default: - return; - } - if (!func) - return; - - QWSDisplay::grab(); - for (int i = 0; i < rects.size(); ++i) { - const QRect r = rects.at(i) & bound; - - QPoint dst; - switch (trans) { - case Rot90: - dst = mapToDevice(r.topRight(), QSize(w, h)); - break; - case Rot180: - dst = mapToDevice(r.bottomRight(), QSize(w, h)); - break; - case Rot270: - dst = mapToDevice(r.bottomLeft(), QSize(w, h)); - break; - default: - break; - } - func(this, image, r.translated(-topLeft), dst); - } - QWSDisplay::ungrab(); - -} - -/*! - \reimp -*/ -void QTransformedScreen::solidFill(const QColor &color, const QRegion ®ion) -{ - const QRegion tr = mapToDevice(region, QSize(w,h)); - - Q_ASSERT(tr.boundingRect() == mapToDevice(region.boundingRect(), QSize(w,h))); - -#ifdef QT_REGION_DEBUG - qDebug() << "QTransformedScreen::solidFill region" << region << "transformed" << tr; -#endif - QProxyScreen::solidFill(color, tr); -} - -/*! - \reimp -*/ -QSize QTransformedScreen::mapToDevice(const QSize &s) const -{ - switch (d_ptr->transformation) { - case None: - case Rot180: - break; - case Rot90: - case Rot270: - return QSize(s.height(), s.width()); - break; - } - return s; -} - -/*! - \reimp -*/ -QSize QTransformedScreen::mapFromDevice(const QSize &s) const -{ - switch (d_ptr->transformation) { - case None: - case Rot180: - break; - case Rot90: - case Rot270: - return QSize(s.height(), s.width()); - break; - } - return s; -} - -/*! - \reimp -*/ -QPoint QTransformedScreen::mapToDevice(const QPoint &p, const QSize &s) const -{ - QPoint rp(p); - - switch (d_ptr->transformation) { - case None: - break; - case Rot90: - rp.setX(p.y()); - rp.setY(s.width() - p.x() - 1); - break; - case Rot180: - rp.setX(s.width() - p.x() - 1); - rp.setY(s.height() - p.y() - 1); - break; - case Rot270: - rp.setX(s.height() - p.y() - 1); - rp.setY(p.x()); - break; - } - - return rp; -} - -/*! - \reimp -*/ -QPoint QTransformedScreen::mapFromDevice(const QPoint &p, const QSize &s) const -{ - QPoint rp(p); - - switch (d_ptr->transformation) { - case None: - break; - case Rot90: - rp.setX(s.height() - p.y() - 1); - rp.setY(p.x()); - break; - case Rot180: - rp.setX(s.width() - p.x() - 1); - rp.setY(s.height() - p.y() - 1); - break; - case Rot270: - rp.setX(p.y()); - rp.setY(s.width() - p.x() - 1); - break; - } - - return rp; -} - -/*! - \reimp -*/ -QRect QTransformedScreen::mapToDevice(const QRect &r, const QSize &s) const -{ - if (r.isNull()) - return QRect(); - - QRect tr; - switch (d_ptr->transformation) { - case None: - tr = r; - break; - case Rot90: - tr.setCoords(r.y(), s.width() - r.x() - 1, - r.bottom(), s.width() - r.right() - 1); - break; - case Rot180: - tr.setCoords(s.width() - r.x() - 1, s.height() - r.y() - 1, - s.width() - r.right() - 1, s.height() - r.bottom() - 1); - break; - case Rot270: - tr.setCoords(s.height() - r.y() - 1, r.x(), - s.height() - r.bottom() - 1, r.right()); - break; - } - - return correctNormalized(tr); -} - -/*! - \reimp -*/ -QRect QTransformedScreen::mapFromDevice(const QRect &r, const QSize &s) const -{ - if (r.isNull()) - return QRect(); - - QRect tr; - switch (d_ptr->transformation) { - case None: - tr = r; - break; - case Rot90: - tr.setCoords(s.height() - r.y() - 1, r.x(), - s.height() - r.bottom() - 1, r.right()); - break; - case Rot180: - tr.setCoords(s.width() - r.x() - 1, s.height() - r.y() - 1, - s.width() - r.right() - 1, s.height() - r.bottom() - 1); - break; - case Rot270: - tr.setCoords(r.y(), s.width() - r.x() - 1, - r.bottom(), s.width() - r.right() - 1); - break; - } - - return correctNormalized(tr); -} - -/*! - \reimp -*/ -QRegion QTransformedScreen::mapToDevice(const QRegion &rgn, const QSize &s) const -{ - if (d_ptr->transformation == None) - return QProxyScreen::mapToDevice(rgn, s); - -#ifdef QT_REGION_DEBUG - qDebug() << "mapToDevice size" << s << "rgn: " << rgn; -#endif - QRect tr; - QRegion trgn; - QVector<QRect> a = rgn.rects(); - const QRect *r = a.data(); - - int w = s.width(); - int h = s.height(); - int size = a.size(); - - switch (d_ptr->transformation) { - case None: - break; - case Rot90: - for (int i = 0; i < size; i++, r++) { - tr.setCoords(r->y(), w - r->x() - 1, - r->bottom(), w - r->right() - 1); - trgn |= correctNormalized(tr); - } - break; - case Rot180: - for (int i = 0; i < size; i++, r++) { - tr.setCoords(w - r->x() - 1, h - r->y() - 1, - w - r->right() - 1, h - r->bottom() - 1); - trgn |= correctNormalized(tr); - } - break; - case Rot270: - for (int i = 0; i < size; i++, r++) { - tr.setCoords(h - r->y() - 1, r->x(), - h - r->bottom() - 1, r->right()); - trgn |= correctNormalized(tr); - } - break; - } -#ifdef QT_REGION_DEBUG - qDebug() << "mapToDevice trgn: " << trgn; -#endif - return trgn; -} - -/*! - \reimp -*/ -QRegion QTransformedScreen::mapFromDevice(const QRegion &rgn, const QSize &s) const -{ - if (d_ptr->transformation == None) - return QProxyScreen::mapFromDevice(rgn, s); - -#ifdef QT_REGION_DEBUG - qDebug() << "fromDevice: realRegion count: " << rgn.rects().size() << " isEmpty? " << rgn.isEmpty() << " bounds:" << rgn.boundingRect(); -#endif - QRect tr; - QRegion trgn; - QVector<QRect> a = rgn.rects(); - const QRect *r = a.data(); - - int w = s.width(); - int h = s.height(); - int size = a.size(); - - switch (d_ptr->transformation) { - case None: - break; - case Rot90: - for (int i = 0; i < size; i++, r++) { - tr.setCoords(h - r->y() - 1, r->x(), - h - r->bottom() - 1, r->right()); - trgn |= correctNormalized(tr); - } - break; - case Rot180: - for (int i = 0; i < size; i++, r++) { - tr.setCoords(w - r->x() - 1, h - r->y() - 1, - w - r->right() - 1, h - r->bottom() - 1); - trgn |= correctNormalized(tr); - } - break; - case Rot270: - for (int i = 0; i < size; i++, r++) { - tr.setCoords(r->y(), w - r->x() - 1, - r->bottom(), w - r->right() - 1); - trgn |= correctNormalized(tr); - } - break; - } -#ifdef QT_REGION_DEBUG - qDebug() << "fromDevice: transRegion count: " << trgn.rects().size() << " isEmpty? " << trgn.isEmpty() << " bounds:" << trgn.boundingRect(); -#endif - return trgn; -} - -/*! - \reimp -*/ -void QTransformedScreen::setDirty(const QRect& rect) -{ - const QRect r = mapToDevice(rect, QSize(width(), height())); - QProxyScreen::setDirty(r); -} - -/*! - \reimp -*/ -QRegion QTransformedScreen::region() const -{ - QRegion deviceRegion = QProxyScreen::region(); - return mapFromDevice(deviceRegion, QSize(deviceWidth(), deviceHeight())); -} - -QT_END_NAMESPACE - -#endif // QT_NO_QWS_TRANSFORMED |