2000-02-27 16:07:24 -05:00
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% automatically generated by HelpGen from
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% /home/vasek/fs\_mem.h at 27/Feb/00 19:23:10
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\section{\class{wxMemoryFSHandler}}\label{wxmemoryfshandler}
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This \helpref{wxFileSystem}{wxfilesystem} handler can store arbitrary
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data in memory stream and make them accessible via URL. It is particularly
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suitable for storing bitmaps from resources or included XPM files so that
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they can be used with wxHTML.
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Filenames are prefixed with "memory:", e.g. "memory:myfile.html".
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Example:
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\begin{verbatim}
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#ifndef __WXMSW__
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#include "logo.xpm"
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#endif
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void MyFrame::OnAbout(wxCommandEvent&)
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{
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wxBusyCursor bcur;
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wxMemoryFSHandler::AddFile("logo.pcx", wxBITMAP(logo), wxBITMAP_TYPE_PCX);
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wxMemoryFSHandler::AddFile("about.htm",
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"<html><body>About: "
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"<img src=\"memory:logo.pcx\"></body></html>");
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wxDialog dlg(this, -1, wxString(_("About")));
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wxBoxSizer *topsizer;
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wxHtmlWindow *html;
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topsizer = new wxBoxSizer(wxVERTICAL);
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html = new wxHtmlWindow(&dlg, -1, wxDefaultPosition,
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wxSize(380, 160), wxHW_SCROLLBAR_NEVER);
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html->SetBorders(0);
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html->LoadPage("memory:about.htm");
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html->SetSize(html->GetInternalRepresentation()->GetWidth(),
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html->GetInternalRepresentation()->GetHeight());
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topsizer->Add(html, 1, wxALL, 10);
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topsizer->Add(new wxStaticLine(&dlg, -1), 0, wxEXPAND | wxLEFT | wxRIGHT, 10);
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topsizer->Add(new wxButton(&dlg, wxID_OK, "Ok"),
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0, wxALL | wxALIGN_RIGHT, 15);
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dlg.SetAutoLayout(true);
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dlg.SetSizer(topsizer);
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topsizer->Fit(&dlg);
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dlg.Centre();
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dlg.ShowModal();
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wxMemoryFSHandler::RemoveFile("logo.pcx");
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wxMemoryFSHandler::RemoveFile("about.htm");
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}
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\end{verbatim}
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\wxheading{Derived from}
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\helpref{wxFileSystemHandler}{wxfilesystemhandler}
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\wxheading{Include files}
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<wx/fs_mem.h>
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\latexignore{\rtfignore{\wxheading{Members}}}
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\membersection{wxMemoryFSHandler::wxMemoryFSHandler}\label{wxmemoryfshandlerwxmemoryfshandler}
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\func{}{wxMemoryFSHandler}{\void}
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Constructor.
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\membersection{wxMemoryFSHandler::AddFile}\label{wxmemoryfshandleraddfile}
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\func{static void}{AddFile}{\param{const wxString\& }{filename}, \param{wxImage\& }{image}, \param{long }{type}}
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\func{static void}{AddFile}{\param{const wxString\& }{filename}, \param{const wxBitmap\& }{bitmap}, \param{long }{type}}
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\func{static void}{AddFile}{\param{const wxString\& }{filename}, \param{const wxString\& }{textdata}}
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\func{static void}{AddFile}{\param{const wxString\& }{filename}, \param{const void* }{binarydata}, \param{size\_t }{size}}
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Add file to list of files stored in memory. Stored
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data (bitmap, text or raw data)
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will be copied into private memory stream and available under
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name "memory:" + filename.
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2000-07-15 15:51:35 -04:00
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Note that when storing image/bitmap, you must use image format that wxWindows
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can write (e.g. JPG, PNG, see \helpref{wxImage documentation}{wximage})!
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2000-02-27 16:07:24 -05:00
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\membersection{wxMemoryFSHandler::RemoveFile}\label{wxmemoryfshandlerremovefile}
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\func{static void}{RemoveFile}{\param{const wxString\& }{filename}}
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Remove file from memory FS and free occupied memory.
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