From 5abf4f55b1bd1180ea2dbfb867a48364bc89af80 Mon Sep 17 00:00:00 2001 From: Friedemann Kleint Date: Fri, 15 Jul 2011 17:55:41 +0200 Subject: Images: Implement internal DIB image plugin. For use for clipboard/DnD operations on Windows by its Lighthouse plugin (to prevent having to export qt_read_dib(), qt_write_dib()). Change-Id: I79e69bf7cecb16cc47ea29de6805fc52e4df1007 Reviewed-on: http://codereview.qt.nokia.com/1714 Reviewed-by: Qt Sanity Bot Reviewed-by: Oliver Wolff --- src/gui/image/qbmphandler_p.h | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) (limited to 'src/gui/image/qbmphandler_p.h') diff --git a/src/gui/image/qbmphandler_p.h b/src/gui/image/qbmphandler_p.h index 070d904b77..373f8fbaaf 100644 --- a/src/gui/image/qbmphandler_p.h +++ b/src/gui/image/qbmphandler_p.h @@ -81,10 +81,20 @@ struct BMP_INFOHDR { // BMP information header qint32 biClrImportant; // number of important colors }; +// BMP-Handler, which is also able to read and write the DIB +// (Device-Independent-Bitmap) format used internally in the Windows operating +// system for OLE/clipboard operations. DIB is a subset of BMP (without file +// header). The Windows-Lighthouse plugin accesses the DIB-functionality. + class QBmpHandler : public QImageIOHandler { public: - QBmpHandler(); + enum InternalFormat { + DibFormat, + BmpFormat + }; + + explicit QBmpHandler(InternalFormat fmt = BmpFormat); bool canRead() const; bool read(QImage *image); bool write(const QImage &image); @@ -99,11 +109,16 @@ public: private: bool readHeader(); + inline QByteArray formatName() const; + enum State { Ready, ReadHeader, Error }; + + const InternalFormat m_format; + State state; BMP_FILEHDR fileHeader; BMP_INFOHDR infoHeader; -- cgit v1.2.3