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for bug #37564

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This commit is contained in:
Elena.Subbotina
2023-08-05 09:40:43 +03:00
parent 7304553448
commit 2bc4ccd343
19 changed files with 321 additions and 216 deletions
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50
DesktopEditor/raster/ImageFileFormatChecker.cpp
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@ -31,6 +31,7 @@
*/
#include "ImageFileFormatChecker.h"
#include "../common/File.h"
#include "../xml/include/xmlutils.h"
#include "../cximage/CxImage/ximacfg.h"
@ -718,51 +719,16 @@ bool CImageFileFormatChecker::isRawFile(BYTE* pBuffer, DWORD dwBytes)
}
bool CImageFileFormatChecker::isSvgFile(std::wstring& fileName)
{
NSFile::CFileBinary file;
if (!file.OpenFile(fileName))
XmlUtils::CXmlLiteReader oReader;
if (!oReader.FromFile(fileName))
return false;
if (!oReader.ReadNextNode())
return false;
DWORD nSize = (DWORD)file.GetFileSize();
if (nSize > 100)
nSize = 100;
BYTE* buffer = new BYTE[nSize];
if (!buffer)
return false;
DWORD sizeRead = 0;
if (!file.ReadFile(buffer, nSize, sizeRead))
{
delete []buffer;
return false;
}
file.CloseFile();
if ('<' == buffer[0] &&
's' == buffer[1] &&
'v' == buffer[2] &&
'g' == buffer[3])
{
delete [] buffer;
if (L"svg" == oReader.GetNameNoNS())
return true;
}
if ('<' == buffer[0] &&
'?' == buffer[1] &&
'x' == buffer[2] &&
'm' == buffer[3] &&
'l' == buffer[4])
{
std::string test((char*)buffer, nSize);
if (std::string::npos != test.find("<svg"))
{
delete [] buffer;
return true;
}
}
delete [] buffer;
return false;
else
return false;
}
std::wstring CImageFileFormatChecker::DetectFormatByData(BYTE *Data, int DataSize)