wxArchive::wxArchive(wxOutputStream &stream, size_t version, const wxString &header, bool partialMode)
: m_writeMode(true)
, m_odstr(stream)
, m_partialMode(partialMode)
, m_itmp(m_tmpistr)
, m_idstr(m_itmp)
, m_otmp(&m_tmpostr)
, m_version(version)
, m_headerStr(header)
{
InitAll();
// all ok, use this stream
if(stream.IsOk())
{
m_opened = true;
m_errorCode = wxARCHIVE_ERR_OK;
// write information
SaveString(header);
SaveUint32(version);
m_status = wxArchiveStatus(version, header);
// when we are ok, start saving
if(!IsOk())
LogError(wxARCHIVE_ERR_ILL, wxARCHIVE_ERR_STR_NOVERHDR);
}
else
LogError(wxARCHIVE_ERR_ILL, wxARCHIVE_ERR_STR_BADOSTREAM);
}
static inline bool WriteAsciiString(wxOutputStream& ostr, const wxString& s)
{
#if wxUSE_UNICODE
wxCharBuffer name(s.mb_str());
ostr.Write(name, strlen(name));
#else
ostr.Write(s.mb_str(), s.length());
#endif
return ostr.IsOk();
}
bool wxPNMHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool WXUNUSED(verbose) )
{
wxTextOutputStream text_stream(stream);
//text_stream << "P6" << endl
//<< image->GetWidth() << " " << image->GetHeight() << endl
//<< "255" << endl;
text_stream << wxT("P6\n") << image->GetWidth() << wxT(" ") << image->GetHeight() << wxT("\n255\n");
stream.Write(image->GetData(),3*image->GetWidth()*image->GetHeight());
return stream.IsOk();
}
bool wxCurlFTP::Get(wxOutputStream& buffer, const wxString& szRemoteFile /*= wxEmptyString*/)
{
if(m_pCURL && buffer.IsOk())
{
SetCurlHandleToDefaults(szRemoteFile);
SetStreamWriteFunction(buffer);
if(Perform())
{
return ((m_iResponseCode > 199) && (m_iResponseCode < 299));
}
}
return false;
}
bool wxCurlHTTP::Get(wxOutputStream& buffer, const wxString& szRemoteFile /*=wxEmptyString*/)
{
if(m_pCURL && buffer.IsOk())
{
SetCurlHandleToDefaults(szRemoteFile);
SetOpt(CURLOPT_HTTPGET, TRUE);
SetStreamWriteFunction(buffer);
if(Perform())
{
return IsResponseOk();
}
}
return false;
}
bool
wxSVGBitmapEmbedHandler::ProcessBitmap(const wxBitmap& bmp,
wxCoord x, wxCoord y,
wxOutputStream& stream) const
{
static int sub_images = 0;
if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
wxImage::AddHandler(new wxPNGHandler);
// write the bitmap as a PNG to a memory stream and Base64 encode
wxMemoryOutputStream mem;
bmp.ConvertToImage().SaveFile(mem, wxBITMAP_TYPE_PNG);
wxString data = wxBase64Encode(mem.GetOutputStreamBuffer()->GetBufferStart(),
mem.GetSize());
// write image meta information
wxString s;
s += wxString::Format(" <image x=\"%d\" y=\"%d\" "
"width=\"%dpx\" height=\"%dpx\" "
"title=\"Image from wxSVG\"\n",
x, y, bmp.GetWidth(), bmp.GetHeight());
s += wxString::Format(" id=\"image%d\" "
"xlink:href=\"data:image/png;base64,\n",
sub_images++);
// Wrap Base64 encoded data on 76 columns boundary (same as Inkscape).
const unsigned WRAP = 76;
for ( size_t i = 0; i < data.size(); i += WRAP )
{
if (i < data.size() - WRAP)
s += data.Mid(i, WRAP) + "\n";
else
s += data.Mid(i, s.size() - i) + "\"\n/>"; // last line
}
// write to the SVG file
const wxCharBuffer buf = s.utf8_str();
stream.Write(buf, strlen((const char *)buf));
return stream.IsOk();
}
bool
wxSVGBitmapFileHandler::ProcessBitmap(const wxBitmap& bmp,
wxCoord x, wxCoord y,
wxOutputStream& stream) const
{
static int sub_images = 0;
if ( wxImage::FindHandler(wxBITMAP_TYPE_PNG) == NULL )
wxImage::AddHandler(new wxPNGHandler);
// find a suitable file name
wxString sPNG;
do
{
sPNG = wxString::Format("image%d.png", sub_images++);
}
while (wxFile::Exists(sPNG));
if ( !bmp.SaveFile(sPNG, wxBITMAP_TYPE_PNG) )
return false;
// reference the bitmap from the SVG doc using only filename & ext
sPNG = sPNG.AfterLast(wxFileName::GetPathSeparator());
// reference the bitmap from the SVG doc
wxString s;
s += wxString::Format(" <image x=\"%d\" y=\"%d\" "
"width=\"%dpx\" height=\"%dpx\" "
"title=\"Image from wxSVG\"\n",
x, y, bmp.GetWidth(), bmp.GetHeight());
s += wxString::Format(" xlink:href=\"%s\">\n</image>\n", sPNG);
// write to the SVG file
const wxCharBuffer buf = s.utf8_str();
stream.Write(buf, strlen((const char *)buf));
return stream.IsOk();
}
// helper functions for writing ASCII strings (even in Unicode build)
static inline bool WriteAsciiChar(wxOutputStream& ostr, char ch)
{
ostr.PutC(ch);
return ostr.IsOk();
}
