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base64 images support

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This commit is contained in:
Oleg Korshul
2016-11-25 14:23:24 +03:00
parent dfd7eacdf1
commit 0c4be6023d
1 changed files with 43 additions and 2 deletions
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45
HtmlFile/Internal/src/client_renderer_wrapper.cpp
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@ -67,7 +67,7 @@ public:
sync_command_check = NULL;
}
std::wstring GetImagePath(const std::wstring& sUrl)
std::wstring GetImagePath(const std::wstring& sUrl, bool bIsBase64 = false)
{
std::map<std::wstring, std::wstring>::iterator iter = m_mapImages.find(sUrl);
if (iter != m_mapImages.end())
@ -94,6 +94,38 @@ public:
NSFile::CFileBinary::Remove(strFileName);
}
}
else if (bIsBase64)
{
std::wstring::size_type nBase64Start = sUrl.find(L"base64,");
if (nBase64Start != std::wstring::npos)
{
int nStartIndex = nBase64Start + 7;
int nCount = sUrl.length() - nStartIndex;
char* pData = new char[nCount];
const wchar_t* pDataSrc = sUrl.c_str();
for (int i = 0; i < nCount; ++i)
pData[i] = pDataSrc[i + nStartIndex];
BYTE* pDataDecode = NULL;
int nLenDecode = 0;
NSFile::CBase64Converter::Decode(pData, nCount, pDataDecode, nLenDecode);
RELEASEARRAYOBJECTS(pData);
sTmpPath = NSFile::CFileBinary::CreateTempFileWithUniqueName(NSFile::CFileBinary::GetTempPath(), L"IMG");
if (NSFile::CFileBinary::Exists(sTmpPath))
NSFile::CFileBinary::Remove(sTmpPath);
NSFile::CFileBinary oFile;
if (oFile.CreateFileW(sTmpPath))
{
oFile.WriteFile(pDataDecode, (DWORD)nLenDecode);
oFile.CloseFile();
}
RELEASEARRAYOBJECTS(pDataDecode);
}
}
CImageFileFormatChecker oChecker;
std::wstring sNoConst = sTmpPath.empty() ? sUrl : sTmpPath;
@ -179,6 +211,15 @@ public:
std::wstring sUrlBase = _frame->GetURL().ToWString();
std::wstring sUrlFull = GetFullUrl(sUrl, sUrlBase);
bool bIsBase64 = false;
if (sUrl.find(L"data:") == 0)
{
std::wstring::size_type nPos = sUrl.find(L"base64");
if (nPos != std::wstring::npos && nPos < 20)
sUrlFull = sUrl;
bIsBase64 = true;
}
// delete file:///
if (0 == sUrlFull.find(L"file:///"))
{
@ -190,7 +231,7 @@ public:
else if (0 == sUrlFull.find(L"file:"))
sUrlFull = sUrlFull.substr(5);
std::wstring sReturn = GetImagePath(sUrlFull);
std::wstring sReturn = GetImagePath(sUrlFull, bIsBase64);
retval = CefV8Value::CreateString(sReturn);
return true;