/**************************************************************************** ** ** 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. ** ** ** ** ** ** ** ** ** $QT_END_LICENSE$ ** ****************************************************************************/ #ifndef QBMPHANDLER_P_H #define QBMPHANDLER_P_H // // W A R N I N G // ------------- // // This file is not part of the Qt API. It exists purely as an // implementation detail. This header file may change from version to // version without notice, or even be removed. // // We mean it. // #include "QtGui/qimageiohandler.h" #ifndef QT_NO_IMAGEFORMAT_BMP QT_BEGIN_NAMESPACE struct BMP_FILEHDR { // BMP file header char bfType[2]; // "BM" qint32 bfSize; // size of file qint16 bfReserved1; qint16 bfReserved2; qint32 bfOffBits; // pointer to the pixmap bits }; struct BMP_INFOHDR { // BMP information header qint32 biSize; // size of this struct qint32 biWidth; // pixmap width qint32 biHeight; // pixmap height qint16 biPlanes; // should be 1 qint16 biBitCount; // number of bits per pixel qint32 biCompression; // compression method qint32 biSizeImage; // size of image qint32 biXPelsPerMeter; // horizontal resolution qint32 biYPelsPerMeter; // vertical resolution qint32 biClrUsed; // number of colors used qint32 biClrImportant; // number of important colors }; class QBmpHandler : public QImageIOHandler { public: QBmpHandler(); bool canRead() const; bool read(QImage *image); bool write(const QImage &image); QByteArray name() const; static bool canRead(QIODevice *device); QVariant option(ImageOption option) const; void setOption(ImageOption option, const QVariant &value); bool supportsOption(ImageOption option) const; private: bool readHeader(); enum State { Ready, ReadHeader, Error }; State state; BMP_FILEHDR fileHeader; BMP_INFOHDR infoHeader; int startpos; }; QT_END_NAMESPACE #endif // QT_NO_IMAGEFORMAT_BMP #endif // QBMPHANDLER_P_H