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1 | % ----------------------------------------------------------------------------- | |
2 | % wxMemoryInputStream | |
3 | % ----------------------------------------------------------------------------- | |
4 | \section{\class{wxMemoryInputStream}}\label{wxmeminputstream} | |
5 | ||
6 | \wxheading{Derived from} | |
7 | ||
8 | \helpref{wxInputStream}{wxinputstream} | |
9 | ||
10 | \wxheading{Include files} | |
11 | ||
12 | <wx/mstream.h> | |
13 | ||
14 | \wxheading{See also} | |
15 | ||
16 | \helpref{wxStreamBuffer}{wxstreambuffer}, \helpref{wxMemoryOutputStream}{wxmemoutputstream} | |
17 | ||
18 | % ---------- | |
19 | % Members | |
20 | % ---------- | |
21 | \latexignore{\rtfignore{\wxheading{Members}}} | |
22 | ||
23 | \membersection{wxMemoryInputStream::wxMemoryInputStream}\label{wxmemoryinputstreamctor} | |
24 | ||
25 | \func{}{wxMemoryInputStream}{\param{const char *}{ data}, \param{size\_t}{ len}} | |
26 | ||
27 | Initializes a new read-only memory stream which will use the specified buffer | |
28 | {\it data} of length {\it len}. The stream does not take ownership of the | |
29 | buffer, i.e. the buffer will not be deleted in its destructor. | |
30 | ||
31 | \func{}{wxMemoryInputStream}{\param{const wxMemoryOutputStream&}{ stream}} | |
32 | ||
33 | Creates a new read-only memory stream, initializing it with the | |
34 | data from the given output stream \arg{stream}. | |
35 | ||
36 | \func{}{wxMemoryInputStream}{\param{wxInputStream\&}{ stream}, \param{wxFileOffset}{ len = wxInvalidOffset}} | |
37 | ||
38 | Creates a new read-only memory stream, initializing it with the | |
39 | data from the given input stream \arg{stream}. | |
40 | ||
41 | The \arg{len} argument specifies the amount of data to read from | |
42 | the \arg{stream}. Setting it to {\it wxInvalidOffset} means that | |
43 | the \arg{stream} is to be read entirely (i.e. till the EOF is reached). | |
44 | ||
45 | ||
46 | \membersection{wxMemoryInputStream::\destruct{wxMemoryInputStream}}\label{wxmemoryinputstreamdtor} | |
47 | ||
48 | \func{}{\destruct{wxMemoryInputStream}}{\void} | |
49 | ||
50 | Destructor. | |
51 | ||
52 | \membersection{wxMemoryInputStream::GetInputStreamBuffer}\label{wxmemoryinputstreamgetistrmbuf} | |
53 | ||
54 | \constfunc{wxStreamBuffer *}{GetInputStreamBuffer}{\void} | |
55 | ||
56 | Returns the pointer to the stream object used as an internal buffer | |
57 | for that stream. | |
58 | ||
59 | % ----------------------------------------------------------------------------- | |
60 | % wxMemoryOutputStream | |
61 | % ----------------------------------------------------------------------------- | |
62 | \section{\class{wxMemoryOutputStream}}\label{wxmemoutputstream} | |
63 | ||
64 | \wxheading{Derived from} | |
65 | ||
66 | \helpref{wxOutputStream}{wxoutputstream} | |
67 | ||
68 | \wxheading{Include files} | |
69 | ||
70 | <wx/mstream.h> | |
71 | ||
72 | \wxheading{See also} | |
73 | ||
74 | \helpref{wxStreamBuffer}{wxstreambuffer} | |
75 | ||
76 | % ---------- | |
77 | % Members | |
78 | % ---------- | |
79 | \latexignore{\rtfignore{\wxheading{Members}}} | |
80 | ||
81 | \membersection{wxMemoryOutputStream::wxMemoryOutputStream}\label{wxmemoryoutputstreamctor} | |
82 | ||
83 | \func{}{wxMemoryOutputStream}{\param{char *}{ data = NULL}, \param{size\_t}{ length = 0}} | |
84 | ||
85 | If {\it data} is NULL, then it will initialize a new empty buffer which will | |
86 | grow if required. | |
87 | ||
88 | \wxheading{Warning} | |
89 | ||
90 | If the buffer is created, it will be destroyed at the destruction of the | |
91 | stream. | |
92 | ||
93 | \membersection{wxMemoryOutputStream::\destruct{wxMemoryOutputStream}}\label{wxmemoryoutputstreamdtor} | |
94 | ||
95 | \func{}{\destruct{wxMemoryOutputStream}}{\void} | |
96 | ||
97 | Destructor. | |
98 | ||
99 | \membersection{wxMemoryOutputStream::CopyTo}\label{wxmemoryoutputstreamcopyto} | |
100 | ||
101 | \constfunc{size\_t}{CopyTo}{\param{char *}{buffer}, \param{size\_t }{len}} | |
102 | ||
103 | CopyTo allowed you to transfer data from the internal buffer of | |
104 | wxMemoryOutputStream to an external buffer. {\it len} specifies the size of | |
105 | the buffer. | |
106 | ||
107 | \wxheading{Returned value} | |
108 | ||
109 | CopyTo returns the number of bytes copied to the buffer. Generally it is either | |
110 | len or the size of the stream buffer. | |
111 | ||
112 | \membersection{wxMemoryOutputStream::GetOutputStreamBuffer}\label{wxmemoryoutputstreamgetostrmbuf} | |
113 | ||
114 | \constfunc{wxStreamBuffer *}{GetOutputStreamBuffer}{\void} | |
115 | ||
116 | Returns the pointer to the stream object used as an internal buffer | |
117 | for that stream. | |
118 |