de.digitalcollections.turbojpeg.lib

Interface libturbojpeg

public interface libturbojpeg

Method Summary

Modifier and Type	Method and Description
jnr.ffi.Pointer	tjAlloc(int bytes)
long	tjBufSize(int width, int height, TJSAMP subsamp)
int	tjCompress2(jnr.ffi.Pointer handle, Buffer srcBuf, int width, int pitch, int height, TJPF pixelFormat, jnr.ffi.byref.PointerByReference jpegBuf, jnr.ffi.byref.NativeLongByReference jpegSize, TJSAMP jpegSubsamp, int jpegQual, int flags)
int	tjDecompress2(jnr.ffi.Pointer handle, Buffer jpegBuf, long jpegSize, Buffer dstBuf, int width, int pitch, int height, TJPF pixelFormat, int flags)
int	tjDecompressHeader2(jnr.ffi.Pointer handle, Buffer jpegBuf, long jpegSize, jnr.ffi.byref.IntByReference width, jnr.ffi.byref.IntByReference height, jnr.ffi.byref.IntByReference jpegSubsamp)
int	tjDestroy(jnr.ffi.Pointer handle)
void	tjFree(jnr.ffi.Pointer bufPtr)
String	tjGetErrorStr()
jnr.ffi.Pointer	tjGetScalingFactors(jnr.ffi.byref.IntByReference numscalingfactors)
jnr.ffi.Pointer	tjInitCompress()
jnr.ffi.Pointer	tjInitDecompress()
jnr.ffi.Pointer	tjInitTransform()
int	tjTransform(jnr.ffi.Pointer handle, Buffer jpegBuf, long jpegSize, int n, jnr.ffi.byref.PointerByReference outBuf, jnr.ffi.byref.NativeLongByReference dstSizes, tjtransform transform, int flags)

Method Detail

tjCompress2

int tjCompress2(jnr.ffi.Pointer handle,
                Buffer srcBuf,
                int width,
                int pitch,
                int height,
                TJPF pixelFormat,
                jnr.ffi.byref.PointerByReference jpegBuf,
                jnr.ffi.byref.NativeLongByReference jpegSize,
                TJSAMP jpegSubsamp,
                int jpegQual,
                int flags)

tjDecompress2

int tjDecompress2(jnr.ffi.Pointer handle,
                  Buffer jpegBuf,
                  long jpegSize,
                  Buffer dstBuf,
                  int width,
                  int pitch,
                  int height,
                  TJPF pixelFormat,
                  int flags)

tjDecompressHeader2

int tjDecompressHeader2(jnr.ffi.Pointer handle,
                        Buffer jpegBuf,
                        long jpegSize,
                        jnr.ffi.byref.IntByReference width,
                        jnr.ffi.byref.IntByReference height,
                        jnr.ffi.byref.IntByReference jpegSubsamp)

tjTransform

int tjTransform(jnr.ffi.Pointer handle,
                Buffer jpegBuf,
                long jpegSize,
                int n,
                jnr.ffi.byref.PointerByReference outBuf,
                jnr.ffi.byref.NativeLongByReference dstSizes,
                tjtransform transform,
                int flags)

tjDestroy

int tjDestroy(jnr.ffi.Pointer handle)

tjFree

void tjFree(jnr.ffi.Pointer bufPtr)

tjGetErrorStr

String tjGetErrorStr()

tjGetScalingFactors

jnr.ffi.Pointer tjGetScalingFactors(jnr.ffi.byref.IntByReference numscalingfactors)

tjInitCompress

jnr.ffi.Pointer tjInitCompress()

tjInitDecompress

jnr.ffi.Pointer tjInitDecompress()

tjInitTransform

jnr.ffi.Pointer tjInitTransform()

tjAlloc

jnr.ffi.Pointer tjAlloc(int bytes)

tjBufSize

long tjBufSize(int width,
               int height,
               TJSAMP subsamp)