diff options
author | Gunnar Sletta <gunnar.sletta@nokia.com> | 2011-09-13 08:54:45 +0200 |
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committer | Gunnar Sletta <gunnar.sletta@nokia.com> | 2011-09-13 08:54:45 +0200 |
commit | b62bd0584a7872b6917917009b707785b3abd077 (patch) | |
tree | 9981f274712c098cabbff0c4667672a3934e5393 /src/gui/painting/qwindowsurface.cpp | |
parent | 5e10745dca1d10025404a9f268f03ae697fb10cc (diff) | |
parent | 97baad65f65783d2b5ff938f6217aec9434f2e5f (diff) |
Merge branch 'refactor'
Conflicts:
mkspecs/qws/linux-lsb-g++/qmake.conf
src/gui/image/qpixmap_mac.cpp
src/gui/painting/qpaintengine_x11.cpp
src/gui/painting/qtessellator.cpp
src/gui/text/qfontengine_qws.cpp
src/gui/text/qfontengine_x11.cpp
src/gui/widgets/qlinecontrol.cpp
src/opengl/qgl.h
src/opengl/qgl_x11egl.cpp
src/plugins/plugins.pro
Change-Id: If52dcd55cd55f2983a756c2f843967702b60a310
Diffstat (limited to 'src/gui/painting/qwindowsurface.cpp')
-rw-r--r-- | src/gui/painting/qwindowsurface.cpp | 383 |
1 files changed, 0 insertions, 383 deletions
diff --git a/src/gui/painting/qwindowsurface.cpp b/src/gui/painting/qwindowsurface.cpp deleted file mode 100644 index fa3c6837b9..0000000000 --- a/src/gui/painting/qwindowsurface.cpp +++ /dev/null @@ -1,383 +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. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <private/qwindowsurface_p.h> -#include <qwidget.h> -#include <private/qwidget_p.h> -#include <private/qbackingstore_p.h> -#include <private/qapplication_p.h> - -QT_BEGIN_NAMESPACE - -class QWindowSurfacePrivate -{ -public: - QWindowSurfacePrivate(QWidget *w) - : window(w) - { - } - - QWidget *window; -#if !defined(Q_WS_QPA) - QRect geometry; -#else - QSize size; -#endif //Q_WS_QPA - QRegion staticContents; - QList<QImage*> bufferImages; -}; - -/*! - \class QWindowSurface - \since 4.3 - \internal - \preliminary - \ingroup qws qpa - - \brief The QWindowSurface class provides the drawing area for top-level - windows. -*/ - - -/*! - \fn void QWindowSurface::beginPaint(const QRegion ®ion) - - This function is called before painting onto the surface begins, - with the \a region in which the painting will occur. - - \sa endPaint(), paintDevice() -*/ - -/*! - \fn void QWindowSurface::endPaint(const QRegion ®ion) - - This function is called after painting onto the surface has ended, - with the \a region in which the painting was performed. - - \sa beginPaint(), paintDevice() -*/ - -/*! - \fn void QWindowSurface::flush(QWidget *widget, const QRegion ®ion, - const QPoint &offset) - - Flushes the given \a region from the specified \a widget onto the - screen. - - Note that the \a offset parameter is currently unused. -*/ - -/*! - \fn QPaintDevice* QWindowSurface::paintDevice() - - Implement this function to return the appropriate paint device. -*/ - -/*! - Constructs an empty surface for the given top-level \a window. -*/ -QWindowSurface::QWindowSurface(QWidget *window, bool setDefaultSurface) - : d_ptr(new QWindowSurfacePrivate(window)) -{ - if (!QApplicationPrivate::runtime_graphics_system) { - if(setDefaultSurface && window) - window->setWindowSurface(this); - } -} - -/*! - Destroys this surface. -*/ -QWindowSurface::~QWindowSurface() -{ - if (d_ptr->window) - d_ptr->window->d_func()->extra->topextra->windowSurface = 0; - delete d_ptr; -} - -/*! - Returns a pointer to the top-level window associated with this - surface. -*/ -QWidget* QWindowSurface::window() const -{ - return d_ptr->window; -} - -void QWindowSurface::beginPaint(const QRegion &) -{ -} - -void QWindowSurface::endPaint(const QRegion &) -{ -// QApplication::syncX(); - qDeleteAll(d_ptr->bufferImages); - d_ptr->bufferImages.clear(); -} - -#if !defined(Q_WS_QPA) -/*! - Sets the currently allocated area to be the given \a rect. - - This function is called whenever area covered by the top-level - window changes. - - \sa geometry() -*/ -void QWindowSurface::setGeometry(const QRect &rect) -{ - d_ptr->geometry = rect; -} - -/*! - Returns the currently allocated area on the screen. -*/ -QRect QWindowSurface::geometry() const -{ - return d_ptr->geometry; -} -#else - -/*! - Sets the size of the windowsurface to be \a size. - - \sa size() -*/ -void QWindowSurface::resize(const QSize &size) -{ - d_ptr->size = size; -} - -/*! - Returns the current size of the windowsurface. -*/ -QSize QWindowSurface::size() const -{ - return d_ptr->size; -} -#endif //Q_WS_QPA - -/*! - Scrolls the given \a area \a dx pixels to the right and \a dy - downward; both \a dx and \a dy may be negative. - - Returns true if the area was scrolled successfully; false otherwise. -*/ -bool QWindowSurface::scroll(const QRegion &area, int dx, int dy) -{ - Q_UNUSED(area); - Q_UNUSED(dx); - Q_UNUSED(dy); - - return false; -} - -/*! - Returns a QImage pointer which represents the actual buffer the \a widget - is drawn into or 0 if this is unavailable. - - You must call beginPaint() before you call this function and the returned - pointer is only valid until endPaint() is called. -*/ -QImage* QWindowSurface::buffer(const QWidget *widget) -{ - if (widget->window() != window()) - return 0; - - QPaintDevice *pdev = paintDevice(); - if (!pdev || pdev->devType() != QInternal::Image) - return 0; - - const QPoint off = offset(widget); - QImage *img = static_cast<QImage*>(pdev); - - QRect rect(off, widget->size()); - rect &= QRect(QPoint(), img->size()); - - if (rect.isEmpty()) - return 0; - - img = new QImage(img->scanLine(rect.y()) + rect.x() * img->depth() / 8, - rect.width(), rect.height(), - img->bytesPerLine(), img->format()); - d_ptr->bufferImages.append(img); - - return img; -} - -/*! - Returns a QPixmap generated from the part of the backing store - corresponding to \a widget. Returns a null QPixmap if an error - occurs. The contents of the pixmap are only defined for the regions - of \a widget that have received paint events since the last resize - of the backing store. - - If \a rectangle is a null rectangle (the default), the entire widget - is grabbed. Otherwise, the grabbed area is limited to \a rectangle. - - The default implementation uses QWindowSurface::buffer(). - - \sa QPixmap::grabWidget() -*/ -QPixmap QWindowSurface::grabWidget(const QWidget *widget, const QRect &rectangle) const -{ - QPixmap result; - - if (widget->window() != window()) - return result; - - const QImage *img = const_cast<QWindowSurface *>(this)->buffer(widget->window()); - - if (!img || img->isNull()) - return result; - - QRect rect = rectangle.isEmpty() ? widget->rect() : (widget->rect() & rectangle); - - rect.translate(offset(widget) - offset(widget->window())); - rect &= QRect(QPoint(), img->size()); - - if (rect.isEmpty()) - return result; - - QImage subimg(img->scanLine(rect.y()) + rect.x() * img->depth() / 8, - rect.width(), rect.height(), - img->bytesPerLine(), img->format()); - subimg.detach(); //### expensive -- maybe we should have a real SubImage that shares reference count - - result = QPixmap::fromImage(subimg); - return result; -} - -/*! - Returns the offset of \a widget in the coordinates of this - window surface. - */ -QPoint QWindowSurface::offset(const QWidget *widget) const -{ - QWidget *window = d_ptr->window; - QPoint offset = widget->mapTo(window, QPoint()); -#ifdef Q_WS_QWS - offset += window->geometry().topLeft() - window->frameGeometry().topLeft(); -#endif - return offset; -} - -/*! - \fn QRect QWindowSurface::rect(const QWidget *widget) const - - Returns the rectangle for \a widget in the coordinates of this - window surface. -*/ - -void QWindowSurface::setStaticContents(const QRegion ®ion) -{ - d_ptr->staticContents = region; -} - -QRegion QWindowSurface::staticContents() const -{ - return d_ptr->staticContents; -} - -bool QWindowSurface::hasStaticContents() const -{ - return hasFeature(QWindowSurface::StaticContents) && !d_ptr->staticContents.isEmpty(); -} - -QWindowSurface::WindowSurfaceFeatures QWindowSurface::features() const -{ - return PartialUpdates | PreservedContents; -} - -#ifdef Q_WS_QPA -#define Q_EXPORT_SCROLLRECT Q_GUI_EXPORT -#else -#define Q_EXPORT_SCROLLRECT -#endif - -void Q_EXPORT_SCROLLRECT qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset) -{ - // make sure we don't detach - uchar *mem = const_cast<uchar*>(const_cast<const QImage &>(img).bits()); - - int lineskip = img.bytesPerLine(); - int depth = img.depth() >> 3; - - const QRect imageRect(0, 0, img.width(), img.height()); - const QRect r = rect & imageRect & imageRect.translated(-offset); - const QPoint p = rect.topLeft() + offset; - - if (r.isEmpty()) - return; - - const uchar *src; - uchar *dest; - - if (r.top() < p.y()) { - src = mem + r.bottom() * lineskip + r.left() * depth; - dest = mem + (p.y() + r.height() - 1) * lineskip + p.x() * depth; - lineskip = -lineskip; - } else { - src = mem + r.top() * lineskip + r.left() * depth; - dest = mem + p.y() * lineskip + p.x() * depth; - } - - const int w = r.width(); - int h = r.height(); - const int bytes = w * depth; - - // overlapping segments? - if (offset.y() == 0 && qAbs(offset.x()) < w) { - do { - ::memmove(dest, src, bytes); - dest += lineskip; - src += lineskip; - } while (--h); - } else { - do { - ::memcpy(dest, src, bytes); - dest += lineskip; - src += lineskip; - } while (--h); - } -} - -QT_END_NAMESPACE |