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Diffstat (limited to 'src/gui/image/qpixmap_s60.cpp')
| -rw-r--r-- | src/gui/image/qpixmap_s60.cpp | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/src/gui/image/qpixmap_s60.cpp b/src/gui/image/qpixmap_s60.cpp new file mode 100644 index 0000000000..e00bf26c9a --- /dev/null +++ b/src/gui/image/qpixmap_s60.cpp @@ -0,0 +1,236 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui 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 either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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. +** +** If you are unsure which license is appropriate for your use, please +** contact the sales department at http://qt.nokia.com/contact. +** $QT_END_LICENSE$ +** +****************************************************************************/ +#include <exception> +#include <w32std.h> +#include <fbs.h> + +#include <private/qt_s60_p.h> +#include "qpixmap.h" +#include "qpixmap_raster_p.h" +#include <qwidget.h> + +QT_BEGIN_NAMESPACE + +QPixmap QPixmap::grabWindow(WId winId, int x, int y, int w, int h ) +{ + CWsScreenDevice* screenDevice = S60->screenDevice(); + TSize screenSize = screenDevice->SizeInPixels(); + + TSize srcSize; + // Find out if this is one of our windows. + QSymbianControl *sControl; + sControl = winId->MopGetObject(sControl); + if (sControl && sControl->widget()->windowType() == Qt::Desktop) { + // Grabbing desktop widget + srcSize = screenSize; + } else { + TPoint relativePos = winId->PositionRelativeToScreen(); + x += relativePos.iX; + y += relativePos.iY; + srcSize = winId->Size(); + } + + TRect srcRect(TPoint(x, y), srcSize); + // Clip to the screen + srcRect.Intersection(TRect(screenSize)); + + if (w > 0 && h > 0) { + TRect subRect(TPoint(x, y), TSize(w, h)); + // Clip to the subRect + srcRect.Intersection(subRect); + } + + if (srcRect.IsEmpty()) + return QPixmap(); + + TDisplayMode displayMode = screenDevice->DisplayMode(); + CFbsBitmap* temporary = q_check_ptr(new CFbsBitmap()); // CBase derived object needs check on new + TInt error = temporary->Create(srcRect.Size(), displayMode); + if (error == KErrNone) + error = screenDevice->CopyScreenToBitmap(temporary, srcRect); + + if (error != KErrNone) { + CBase::Delete(temporary); + return QPixmap(); + } + + QPixmap pixmap = QPixmap::fromSymbianCFbsBitmap(temporary); + CBase::Delete(temporary); + return pixmap; +} + +/*! +\since 4.6 + +Returns a \c CFbsBitmap that is equivalent to the QPixmap by copying the data. + +It is the caller's responsibility to delete the \c CFbsBitmap after use. + +\warning This function is only available on Symbian OS. + +\sa fromSymbianCFbsBitmap() +*/ + +CFbsBitmap *QPixmap::toSymbianCFbsBitmap() const +{ + if (isNull()) + return 0; + + TDisplayMode mode; + const QImage img = toImage(); + QImage::Format destFormat = img.format(); + switch (img.format()) { + case QImage::Format_Mono: + destFormat = QImage::Format_MonoLSB; + // Fall through intended + case QImage::Format_MonoLSB: + mode = EGray2; + break; + case QImage::Format_Indexed8: + if (img.isGrayscale()) + mode = EGray256; + else + mode = EColor256; + break; + case QImage::Format_RGB32: + mode = EColor16MU; + break; + case QImage::Format_ARGB6666_Premultiplied: + case QImage::Format_ARGB8565_Premultiplied: + case QImage::Format_ARGB8555_Premultiplied: + destFormat = QImage::Format_ARGB32_Premultiplied; + // Fall through intended + case QImage::Format_ARGB32_Premultiplied: +#if !defined(__SERIES60_31__) && !defined(__S60_32__) + // ### TODO: Add runtime detection as well? + mode = EColor16MAP; + break; +#endif + destFormat = QImage::Format_ARGB32; + // Fall through intended + case QImage::Format_ARGB32: + mode = EColor16MA; + break; + case QImage::Format_RGB555: + destFormat = QImage::Format_RGB16; + // Fall through intended + case QImage::Format_RGB16: + mode = EColor64K; + break; + case QImage::Format_RGB666: + destFormat = QImage::Format_RGB888; + // Fall through intended + case QImage::Format_RGB888: + mode = EColor16M; + break; + case QImage::Format_RGB444: + mode = EColor4K; + break; + case QImage::Format_Invalid: + return 0; + default: + qWarning("Image format not supported: %d", img.format()); + return 0; + } + + CFbsBitmap* bitmap = q_check_ptr(new CFbsBitmap()); // CBase derived object needs check on new + TSize size(width(), height()); + if (bitmap->Create(size, mode) != KErrNone) { + CBase::Delete(bitmap); + return 0; + } + + const QImage converted = img.convertToFormat(destFormat); + + bitmap->LockHeap(); + const uchar *sptr = converted.bits(); + uchar *dptr = (uchar*)bitmap->DataAddress(); + Mem::Copy(dptr, sptr, converted.numBytes()); + bitmap->UnlockHeap(); + return bitmap; +} + +/*! + \since 4.6 + + Returns a QPixmap that is equivalent to the \c CFbsBitmap \a bitmap + by copying the data. If the CFbsBitmap is not valid or is compressed + in memory, this function will return a null QPixmap. + + \warning This function is only available on Symbian OS. + + \sa toSymbianCFbsBitmap(), {QPixmap#Pixmap Conversion}{Pixmap Conversion} +*/ + +QPixmap QPixmap::fromSymbianCFbsBitmap(CFbsBitmap *bitmap) +{ + if (!bitmap) + return QPixmap(); + + int width = bitmap->SizeInPixels().iWidth; + int height = bitmap->SizeInPixels().iHeight; + + if (width <= 0 || height <= 0 || bitmap->IsCompressedInRAM()) + return QPixmap(); + + TDisplayMode displayMode = bitmap->DisplayMode(); + QImage::Format format = qt_TDisplayMode2Format(displayMode); + int bytesPerLine = CFbsBitmap::ScanLineLength(width, displayMode); + bitmap->LockHeap(); + QImage image = QImage((const uchar*)bitmap->DataAddress(), width, height, bytesPerLine, format); + if (displayMode == EGray2) { + image.setNumColors(2); + image.setColor(0, QColor(Qt::color0).rgba()); + image.setColor(1, QColor(Qt::color1).rgba()); + } else if (displayMode == EGray256) { + for (int i=0; i < 256; ++i) + image.setColor(i, qRgb(i, i, i)); + }else if (displayMode == EColor256) { + const TColor256Util *palette = TColor256Util::Default(); + for (int i=0; i < 256; ++i) + image.setColor(i, (QRgb)(palette->Color256(i).Value())); + } + QPixmap pixmap = QPixmap::fromImage(image.copy()); + bitmap->UnlockHeap(); + return pixmap; +} + +QT_END_NAMESPACE |