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allwpilib/src/main/native/cpp/JpegUtil.h

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2016-12-02 23:33:29 -08:00
/*----------------------------------------------------------------------------*/
/* Copyright (c) FIRST 2016. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#ifndef CS_JPEGUTIL_H_
#define CS_JPEGUTIL_H_
#include "llvm/StringRef.h"
namespace wpi {
class raw_istream;
}
namespace cs {
bool IsJpeg(llvm::StringRef data);
bool GetJpegSize(llvm::StringRef data, int* width, int* height);
bool JpegNeedsDHT(const char* data, std::size_t* size, std::size_t* locSOF);
llvm::StringRef JpegGetDHT();
bool ReadJpeg(wpi::raw_istream& is, std::string& buf, int* width, int* height);
} // namespace cs
#endif // CS_JPEGUTIL_H_