X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f3845e889c7ccfe03d034a0aa79b4f4d19fbcb06..0d9b2c16361930cc9b7378102395763db801250f:/docs/latex/wx/datostrm.tex diff --git a/docs/latex/wx/datostrm.tex b/docs/latex/wx/datostrm.tex index 1ae9c15a48..d648427128 100644 --- a/docs/latex/wx/datostrm.tex +++ b/docs/latex/wx/datostrm.tex @@ -1,7 +1,7 @@ \section{\class{wxDataOutputStream}}\label{wxdataoutputstream} This class provides functions that write binary data types in a -portable way. Data can be written in either big-endian or litte-endian +portable way. Data can be written in either big-endian or little-endian format, little-endian being the default on all architectures. If you want to write data to text files (or streams) use @@ -23,13 +23,22 @@ None \func{}{wxDataOutputStream}{\param{wxOutputStream\&}{ stream}} +\func{}{wxDataOutputStream}{\param{wxOutputStream\&}{ stream}, \param{wxMBConv\&}{ conv = wxMBConvUTF8}} + Constructs a datastream object from an output stream. Only write methods will -be available. +be available. The second form is only available in Unicode build of wxWidgets. \wxheading{Parameters} \docparam{stream}{The output stream.} +\docparam{conv}{Charset conversion object object used to encoding Unicode +strings before writing them to the stream +in Unicode mode (see \helpref{wxDataOutputStream::WriteString}{wxdataoutputstreamwritestring} +documentation for detailed description). Note that you must not destroy +{\it conv} before you destroy this wxDataOutputStream instance! It is +recommended to use default value (UTF-8).} + \membersection{wxDataOutputStream::\destruct{wxDataOutputStream}} \func{}{\destruct{wxDataOutputStream}}{\void} @@ -40,7 +49,7 @@ Destroys the wxDataOutputStream object. \func{void}{BigEndianOrdered}{\param{bool}{ be\_order}} -If {\it be\_order} is TRUE, all data will be written in big-endian +If {\it be\_order} is true, all data will be written in big-endian order, e.g. for reading on a Sparc or from Java-Streams (which always use big-endian order), otherwise data will be written in little-endian order. @@ -51,17 +60,43 @@ little-endian order. Writes the single byte {\it i8} to the stream. +\func{void}{Write8}{\param{const wxUint8 *}{buffer}, \param{size\_t }{size}} + +Writes an array of bytes to the stream. The amount of bytes to write is +specified with the {\it size} variable. + \membersection{wxDataOutputStream::Write16} \func{void}{Write16}{{\param wxUint16 }{i16}} -Writes the 16 bit integer {\it i16} to the stream. +Writes the 16 bit unsigned integer {\it i16} to the stream. + +\func{void}{Write16}{\param{const wxUint16 *}{buffer}, \param{size\_t }{size}} + +Writes an array of 16 bit unsigned integer to the stream. The amount of +16 bit unsigned integer to write is specified with the {\it size} variable. \membersection{wxDataOutputStream::Write32} \func{void}{Write32}{{\param wxUint32 }{i32}} -Writes the 32 bit integer {\it i32} to the stream. +Writes the 32 bit unsigned integer {\it i32} to the stream. + +\func{void}{Write32}{\param{const wxUint32 *}{buffer}, \param{size\_t }{size}} + +Writes an array of 32 bit unsigned integer to the stream. The amount of +32 bit unsigned integer to write is specified with the {\it size} variable. + +\membersection{wxDataOutputStream::Write64} + +\func{void}{Write64}{{\param wxUint64 }{i64}} + +Writes the 64 bit unsigned integer {\it i64} to the stream. + +\func{void}{Write64}{\param{const wxUint64 *}{buffer}, \param{size\_t }{size}} + +Writes an array of 64 bit unsigned integer to the stream. The amount of +64 bit unsigned integer to write is specified with the {\it size} variable. \membersection{wxDataOutputStream::WriteDouble} @@ -69,10 +104,22 @@ Writes the 32 bit integer {\it i32} to the stream. Writes the double {\it f} to the stream using the IEEE format. -\membersection{wxDataOutputStream::WriteString} +\func{void}{WriteDouble}{\param{const double *}{buffer}, \param{size\_t }{size}} + +Writes an array of double to the stream. The amount of double to write is +specified with the {\it size} variable. -\func{void}{WriteString}{{\param const wxString\& }{string}} +\membersection{wxDataOutputStream::WriteString}\label{wxdataoutputstreamwritestring} + +\func{void}{WriteString}{{\param const wxString\&}{string}} Writes {\it string} to the stream. Actually, this method writes the size of the string before writing {\it string} itself. +In ANSI build of wxWidgets, the string is written to the stream in exactly +same way it is represented in memory. In Unicode build, however, the string +is first converted to multibyte representation with {\it conv} object passed +to stream's constructor (consequently, ANSI application can read data +written by Unicode application, as long as they agree on encoding) and this +representation is written to the stream. UTF-8 is used by default. +