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Merge branch 'jpegfixups' of https://github.com/Deledrius/Plasma

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This commit is contained in:
Adam Johnson
2011-05-10 10:17:14 -04:00
parent 057566416b 797f0356fe
commit f211d76bfb
1 changed files with 32 additions and 5 deletions
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37
Sources/Plasma/PubUtilLib/plJPEG/plJPEG.cpp
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@ -230,11 +230,25 @@ plMipmap* plJPEG::ReadFromFile( const char *fileName )
plMipmap* plJPEG::ReadFromFile( const wchar *fileName )
{
// we use a stream because the IJL can't handle unicode
hsUNIXStream out;
if (!out.Open(fileName, L"rb"))
hsRAMStream tempstream;
hsUNIXStream in;
if (!in.Open(fileName, L"rb"))
return false;
plMipmap* ret = IRead(&out);
out.Close();
// The stream reader for JPEGs expects a 32-bit size at the start,
// so insert that into the stream before passing it on
in.FastFwd();
UInt32 fsize = in.GetPosition();
UInt8 *tempbuffer = TRACKED_NEW UInt8[fsize];
in.Rewind();
in.Read(fsize, tempbuffer);
tempstream.WriteSwap32(fsize);
tempstream.Write(fsize, tempbuffer);
delete [] tempbuffer;
tempstream.Rewind();
plMipmap* ret = IRead(&tempstream);
in.Close();
return ret;
}
@ -344,10 +358,23 @@ hsBool plJPEG::WriteToFile( const char *fileName, plMipmap *sourceData )
hsBool plJPEG::WriteToFile( const wchar *fileName, plMipmap *sourceData )
{
// we use a stream because the IJL can't handle unicode
hsRAMStream tempstream;
hsUNIXStream out;
if (!out.Open(fileName, L"wb"))
return false;
hsBool ret = IWrite(sourceData, &out);
hsBool ret = IWrite(sourceData, &tempstream);
if (ret)
{
// The stream writer for JPEGs prepends a 32-bit size,
// so remove that from the stream before saving to a file
tempstream.Rewind();
UInt32 fsize = tempstream.ReadSwap32();
UInt8 *tempbuffer = TRACKED_NEW UInt8[fsize];
tempstream.Read(fsize, tempbuffer);
out.Write(fsize, tempbuffer);
delete [] tempbuffer;
}
out.Close();
return ret;
}