| /**************************************************************************** |
| ** |
| ** 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 |
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| ** 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 |
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| ** |
| ** 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. |
| ** |
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| ** |
| ** |
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| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #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 |