/*

* Copyright (C)2011-2014 D. R. Commander. All Rights Reserved.

*

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions are met:

*

* - Redistributions of source code must retain the above copyright notice,

* this list of conditions and the following disclaimer.

* - Redistributions in binary form must reproduce the above copyright notice,

* this list of conditions and the following disclaimer in the documentation

* and/or other materials provided with the distribution.

* - Neither the name of the libjpeg-turbo Project nor the names of its

* contributors may be used to endorse or promote products derived from this

* software without specific prior written permission.

*

* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS",

* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE

* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

* POSSIBILITY OF SUCH DAMAGE.

*/

#include <stdlib.h>

#include <string.h>

#include "turbojpeg.h"

#ifdef WIN32

#include "tjutil.h"

#endif

#include <jni.h>

#include "java/org_libjpegturbo_turbojpeg_TJCompressor.h"

#include "java/org_libjpegturbo_turbojpeg_TJDecompressor.h"

#include "java/org_libjpegturbo_turbojpeg_TJ.h"

#define _throw(msg) { \

jclass _exccls=(*env)->FindClass(env, "java/lang/Exception"); \

if(!_exccls) goto bailout; \

(*env)->ThrowNew(env, _exccls, msg); \

goto bailout; \

}

#define bailif0(f) {if(!(f)) { \

char temps[80]; \

snprintf(temps, 80, "Unexpected NULL condition in line %d", __LINE__); \

_throw(temps); \

}}

#define gethandle() \

jclass _cls=(*env)->GetObjectClass(env, obj); \

jfieldID _fid; \

if(!_cls) goto bailout; \

bailif0(_fid=(*env)->GetFieldID(env, _cls, "handle", "J")); \

handle=(tjhandle)(size_t)(*env)->GetLongField(env, obj, _fid); \

/* TurboJPEG 1.2.x: TJ::bufSize() */

JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSize

(JNIEnv *env, jclass cls, jint width, jint height, jint jpegSubsamp)

{

jint retval=(jint)tjBufSize(width, height, jpegSubsamp);

if(retval==-1) _throw(tjGetErrorStr());

bailout:

return retval;

}

/* TurboJPEG 1.2.x: TJ::bufSizeYUV() */

JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJ_bufSizeYUV

(JNIEnv *env, jclass cls, jint width, jint height, jint subsamp)

{

jint retval=(jint)tjBufSizeYUV(width, height, subsamp);

if(retval==-1) _throw(tjGetErrorStr());

bailout:

return retval;

}

/* TurboJPEG 1.2.x: TJCompressor::init() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_init

(JNIEnv *env, jobject obj)

{

jclass cls;

jfieldID fid;

tjhandle handle;

if((handle=tjInitCompress())==NULL)

_throw(tjGetErrorStr());

bailif0(cls=(*env)->GetObjectClass(env, obj));

bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));

(*env)->SetLongField(env, obj, fid, (size_t)handle);

bailout:

return;

}

static jint TJCompressor_compress

(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, jint x, jint y,

jint width, jint pitch, jint height, jint pf, jbyteArray dst,

jint jpegSubsamp, jint jpegQual, jint flags)

{

tjhandle handle=0;

unsigned long jpegSize=0;

jsize arraySize=0, actualPitch;

unsigned char *srcBuf=NULL, *jpegBuf=NULL;

gethandle();

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1

|| pitch<0)

_throw("Invalid argument in compress()");

if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)

_throw("Mismatch between Java and C API");

actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;

arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];

if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)

_throw("Source buffer is not large enough");

jpegSize=tjBufSize(width, height, jpegSubsamp);

if((*env)->GetArrayLength(env, dst)<(jsize)jpegSize)

_throw("Destination buffer is not large enough");

bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));

bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));

if(tjCompress2(handle, &srcBuf[y*actualPitch + x*tjPixelSize[pf]], width,

pitch, height, pf, &jpegBuf, &jpegSize, jpegSubsamp, jpegQual,

flags|TJFLAG_NOREALLOC)==-1)

_throw(tjGetErrorStr());

bailout:

if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, jpegBuf, 0);

if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);

return (jint)jpegSize;

}

/* TurboJPEG 1.3.x: TJCompressor::compress() byte source */

JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIIIII_3BIII

(JNIEnv *env, jobject obj, jbyteArray src, jint x, jint y, jint width,

jint pitch, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,

jint jpegQual, jint flags)

{

return TJCompressor_compress(env, obj, src, 1, x, y, width, pitch, height,

pf, dst, jpegSubsamp, jpegQual, flags);

}

/* TurboJPEG 1.2.x: TJCompressor::compress() byte source */

JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3BIIII_3BIII

(JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch,

jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual,

jint flags)

{

return TJCompressor_compress(env, obj, src, 1, 0, 0, width, pitch, height,

pf, dst, jpegSubsamp, jpegQual, flags);

}

/* TurboJPEG 1.3.x: TJCompressor::compress() int source */

JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIIIII_3BIII

(JNIEnv *env, jobject obj, jintArray src, jint x, jint y, jint width,

jint stride, jint height, jint pf, jbyteArray dst, jint jpegSubsamp,

jint jpegQual, jint flags)

{

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)

_throw("Invalid argument in compress()");

if(tjPixelSize[pf]!=sizeof(jint))

_throw("Pixel format must be 32-bit when compressing from an integer buffer.");

return TJCompressor_compress(env, obj, src, sizeof(jint), x, y, width,

stride*sizeof(jint), height, pf, dst, jpegSubsamp, jpegQual, flags);

bailout:

return 0;

}

/* TurboJPEG 1.2.x: TJCompressor::compress() int source */

JNIEXPORT jint JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_compress___3IIIII_3BIII

(JNIEnv *env, jobject obj, jintArray src, jint width, jint stride,

jint height, jint pf, jbyteArray dst, jint jpegSubsamp, jint jpegQual,

jint flags)

{

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)

_throw("Invalid argument in compress()");

if(tjPixelSize[pf]!=sizeof(jint))

_throw("Pixel format must be 32-bit when compressing from an integer buffer.");

return TJCompressor_compress(env, obj, src, sizeof(jint), 0, 0, width,

stride*sizeof(jint), height, pf, dst, jpegSubsamp, jpegQual, flags);

bailout:

return 0;

}

static void TJCompressor_encodeYUV

(JNIEnv *env, jobject obj, jarray src, jint srcElementSize, jint width,

jint pitch, jint height, jint pf, jbyteArray dst, jint subsamp, jint flags)

{

tjhandle handle=0;

jsize arraySize=0;

unsigned char *srcBuf=NULL, *dstBuf=NULL;

gethandle();

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF || width<1 || height<1

|| pitch<0)

_throw("Invalid argument in encodeYUV()");

if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)

_throw("Mismatch between Java and C API");

arraySize=(pitch==0)? width*tjPixelSize[pf]*height:pitch*height;

if((*env)->GetArrayLength(env, src)*srcElementSize<arraySize)

_throw("Source buffer is not large enough");

if((*env)->GetArrayLength(env, dst)

<(jsize)tjBufSizeYUV(width, height, subsamp))

_throw("Destination buffer is not large enough");

bailif0(srcBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));

bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));

if(tjEncodeYUV2(handle, srcBuf, width, pitch, height, pf, dstBuf, subsamp,

flags)==-1)

_throw(tjGetErrorStr());

bailout:

if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);

if(srcBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, srcBuf, 0);

return;

}

/* TurboJPEG 1.2.x: TJCompressor::encodeYUV() byte source */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3BIIII_3BII

(JNIEnv *env, jobject obj, jbyteArray src, jint width, jint pitch,

jint height, jint pf, jbyteArray dst, jint subsamp, jint flags)

{

TJCompressor_encodeYUV(env, obj, src, 1, width, pitch, height, pf, dst,

subsamp, flags);

}

/* TurboJPEG 1.2.x: TJCompressor::encodeYUV() int source */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_encodeYUV___3IIIII_3BII

(JNIEnv *env, jobject obj, jintArray src, jint width, jint stride,

jint height, jint pf, jbyteArray dst, jint subsamp, jint flags)

{

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)

_throw("Invalid argument in encodeYUV()");

if(tjPixelSize[pf]!=sizeof(jint))

_throw("Pixel format must be 32-bit when encoding from an integer buffer.");

TJCompressor_encodeYUV(env, obj, src, sizeof(jint), width,

stride*sizeof(jint), height, pf, dst, subsamp, flags);

bailout:

return;

}

/* TurboJPEG 1.2.x: TJCompressor::destroy() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy

(JNIEnv *env, jobject obj)

{

tjhandle handle=0;

gethandle();

if(tjDestroy(handle)==-1) _throw(tjGetErrorStr());

(*env)->SetLongField(env, obj, _fid, 0);

bailout:

return;

}

/* TurboJPEG 1.2.x: TJDecompressor::init() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_init

(JNIEnv *env, jobject obj)

{

jclass cls;

jfieldID fid;

tjhandle handle;

if((handle=tjInitDecompress())==NULL) _throw(tjGetErrorStr());

bailif0(cls=(*env)->GetObjectClass(env, obj));

bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));

(*env)->SetLongField(env, obj, fid, (size_t)handle);

bailout:

return;

}

/* TurboJPEG 1.2.x: TJDecompressor::getScalingFactors() */

JNIEXPORT jobjectArray JNICALL Java_org_libjpegturbo_turbojpeg_TJ_getScalingFactors

(JNIEnv *env, jclass cls)

{

jclass sfcls=NULL; jfieldID fid=0;

tjscalingfactor *sf=NULL; int n=0, i;

jobject sfobj=NULL;

jobjectArray sfjava=NULL;

if((sf=tjGetScalingFactors(&n))==NULL || n==0)

_throw(tjGetErrorStr());

bailif0(sfcls=(*env)->FindClass(env, "org/libjpegturbo/turbojpeg/TJScalingFactor"));

bailif0(sfjava=(jobjectArray)(*env)->NewObjectArray(env, n, sfcls, 0));

for(i=0; i<n; i++)

{

bailif0(sfobj=(*env)->AllocObject(env, sfcls));

bailif0(fid=(*env)->GetFieldID(env, sfcls, "num", "I"));

(*env)->SetIntField(env, sfobj, fid, sf[i].num);

bailif0(fid=(*env)->GetFieldID(env, sfcls, "denom", "I"));

(*env)->SetIntField(env, sfobj, fid, sf[i].denom);

(*env)->SetObjectArrayElement(env, sfjava, i, sfobj);

}

bailout:

return sfjava;

}

/* TurboJPEG 1.2.x: TJDecompressor::decompressHeader() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressHeader

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize)

{

tjhandle handle=0;

unsigned char *jpegBuf=NULL;

int width=0, height=0, jpegSubsamp=-1;

gethandle();

if((*env)->GetArrayLength(env, src)<jpegSize)

_throw("Source buffer is not large enough");

bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));

if(tjDecompressHeader2(handle, jpegBuf, (unsigned long)jpegSize,

&width, &height, &jpegSubsamp)==-1)

_throw(tjGetErrorStr());

(*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0); jpegBuf=NULL;

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));

(*env)->SetIntField(env, obj, _fid, jpegSubsamp);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));

(*env)->SetIntField(env, obj, _fid, width);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));

(*env)->SetIntField(env, obj, _fid, height);

bailout:

if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);

return;

}

static void TJDecompressor_decompress

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jarray dst,

jint dstElementSize, jint x, jint y, jint width, jint pitch, jint height,

jint pf, jint flags)

{

tjhandle handle=0;

jsize arraySize=0, actualPitch;

unsigned char *jpegBuf=NULL, *dstBuf=NULL;

gethandle();

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)

_throw("Invalid argument in decompress()");

if(org_libjpegturbo_turbojpeg_TJ_NUMPF!=TJ_NUMPF)

_throw("Mismatch between Java and C API");

if((*env)->GetArrayLength(env, src)<jpegSize)

_throw("Source buffer is not large enough");

actualPitch=(pitch==0)? width*tjPixelSize[pf]:pitch;

arraySize=(y+height-1)*actualPitch + (x+width)*tjPixelSize[pf];

if((*env)->GetArrayLength(env, dst)*dstElementSize<arraySize)

_throw("Destination buffer is not large enough");

bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));

bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));

if(tjDecompress2(handle, jpegBuf, (unsigned long)jpegSize,

&dstBuf[y*actualPitch + x*tjPixelSize[pf]], width, pitch, height, pf,

flags)==-1)

_throw(tjGetErrorStr());

bailout:

if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);

if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);

return;

}

/* TurboJPEG 1.3.x: TJDecompressor::decompress() byte destination */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIIIII

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,

jint x, jint y, jint width, jint pitch, jint height, jint pf, jint flags)

{

TJDecompressor_decompress(env, obj, src, jpegSize, dst, 1, x, y, width,

pitch, height, pf, flags);

}

/* TurboJPEG 1.2.x: TJDecompressor::decompress() byte destination */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3BIIIII

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,

jint width, jint pitch, jint height, jint pf, jint flags)

{

TJDecompressor_decompress(env, obj, src, jpegSize, dst, 1, 0, 0, width,

pitch, height, pf, flags);

}

/* TurboJPEG 1.3.x: TJDecompressor::decompress() int destination */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIIIII

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst,

jint x, jint y, jint width, jint stride, jint height, jint pf, jint flags)

{

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)

_throw("Invalid argument in decompress()");

if(tjPixelSize[pf]!=sizeof(jint))

_throw("Pixel format must be 32-bit when decompressing to an integer buffer.");

TJDecompressor_decompress(env, obj, src, jpegSize, dst, sizeof(jint), x, y,

width, stride*sizeof(jint), height, pf, flags);

bailout:

return;

}

/* TurboJPEG 1.2.x: TJDecompressor::decompress() int destination */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompress___3BI_3IIIIII

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jintArray dst,

jint width, jint stride, jint height, jint pf, jint flags)

{

if(pf<0 || pf>=org_libjpegturbo_turbojpeg_TJ_NUMPF)

_throw("Invalid argument in decompress()");

if(tjPixelSize[pf]!=sizeof(jint))

_throw("Pixel format must be 32-bit when decompressing to an integer buffer.");

TJDecompressor_decompress(env, obj, src, jpegSize, dst, sizeof(jint), 0, 0,

width, stride*sizeof(jint), height, pf, flags);

bailout:

return;

}

/* TurboJPEG 1.2.x: TJDecompressor::decompressToYUV() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_decompressToYUV

(JNIEnv *env, jobject obj, jbyteArray src, jint jpegSize, jbyteArray dst,

jint flags)

{

tjhandle handle=0;

unsigned char *jpegBuf=NULL, *dstBuf=NULL;

int jpegSubsamp=-1, jpegWidth=0, jpegHeight=0;

gethandle();

if((*env)->GetArrayLength(env, src)<jpegSize)

_throw("Source buffer is not large enough");

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));

jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));

jpegWidth=(int)(*env)->GetIntField(env, obj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));

jpegHeight=(int)(*env)->GetIntField(env, obj, _fid);

if((*env)->GetArrayLength(env, dst)

<(jsize)tjBufSizeYUV(jpegWidth, jpegHeight, jpegSubsamp))

_throw("Destination buffer is not large enough");

bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, src, 0));

bailif0(dstBuf=(*env)->GetPrimitiveArrayCritical(env, dst, 0));

if(tjDecompressToYUV(handle, jpegBuf, (unsigned long)jpegSize, dstBuf,

flags)==-1)

_throw(tjGetErrorStr());

bailout:

if(dstBuf) (*env)->ReleasePrimitiveArrayCritical(env, dst, dstBuf, 0);

if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, src, jpegBuf, 0);

return;

}

/* TurboJPEG 1.2.x: TJTransformer::init() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_init

(JNIEnv *env, jobject obj)

{

jclass cls;

jfieldID fid;

tjhandle handle;

if((handle=tjInitTransform())==NULL) _throw(tjGetErrorStr());

bailif0(cls=(*env)->GetObjectClass(env, obj));

bailif0(fid=(*env)->GetFieldID(env, cls, "handle", "J"));

(*env)->SetLongField(env, obj, fid, (size_t)handle);

bailout:

return;

}

typedef struct _JNICustomFilterParams

} JNICustomFilterParams;

static int JNICustomFilter(short *coeffs, tjregion arrayRegion,

tjregion planeRegion, int componentIndex, int transformIndex,

tjtransform *transform)

{

JNICustomFilterParams *params=(JNICustomFilterParams *)transform->data;

JNIEnv *env=params->env;

jobject tobj=params->tobj, cfobj=params->cfobj;

jobject arrayRegionObj, planeRegionObj, bufobj, borobj;

jclass cls; jmethodID mid; jfieldID fid;

bailif0(bufobj=(*env)->NewDirectByteBuffer(env, coeffs,

sizeof(short)*arrayRegion.w*arrayRegion.h));

bailif0(cls=(*env)->FindClass(env, "java/nio/ByteOrder"));

bailif0(mid=(*env)->GetStaticMethodID(env, cls, "nativeOrder",

"()Ljava/nio/ByteOrder;"));

bailif0(borobj=(*env)->CallStaticObjectMethod(env, cls, mid));

bailif0(cls=(*env)->GetObjectClass(env, bufobj));

bailif0(mid=(*env)->GetMethodID(env, cls, "order",

"(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;"));

(*env)->CallObjectMethod(env, bufobj, mid, borobj);

bailif0(mid=(*env)->GetMethodID(env, cls, "asShortBuffer",

"()Ljava/nio/ShortBuffer;"));

bailif0(bufobj=(*env)->CallObjectMethod(env, bufobj, mid));

bailif0(cls=(*env)->FindClass(env, "java/awt/Rectangle"));

bailif0(arrayRegionObj=(*env)->AllocObject(env, cls));

bailif0(fid=(*env)->GetFieldID(env, cls, "x", "I"));

(*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.x);

bailif0(fid=(*env)->GetFieldID(env, cls, "y", "I"));

(*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.y);

bailif0(fid=(*env)->GetFieldID(env, cls, "width", "I"));

(*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.w);

bailif0(fid=(*env)->GetFieldID(env, cls, "height", "I"));

(*env)->SetIntField(env, arrayRegionObj, fid, arrayRegion.h);

bailif0(planeRegionObj=(*env)->AllocObject(env, cls));

bailif0(fid=(*env)->GetFieldID(env, cls, "x", "I"));

(*env)->SetIntField(env, planeRegionObj, fid, planeRegion.x);

bailif0(fid=(*env)->GetFieldID(env, cls, "y", "I"));

(*env)->SetIntField(env, planeRegionObj, fid, planeRegion.y);

bailif0(fid=(*env)->GetFieldID(env, cls, "width", "I"));

(*env)->SetIntField(env, planeRegionObj, fid, planeRegion.w);

bailif0(fid=(*env)->GetFieldID(env, cls, "height", "I"));

(*env)->SetIntField(env, planeRegionObj, fid, planeRegion.h);

bailif0(cls=(*env)->GetObjectClass(env, cfobj));

bailif0(mid=(*env)->GetMethodID(env, cls, "customFilter",

"(Ljava/nio/ShortBuffer;Ljava/awt/Rectangle;Ljava/awt/Rectangle;IILorg/libjpegturbo/turbojpeg/TJTransform;)V"));

(*env)->CallVoidMethod(env, cfobj, mid, bufobj, arrayRegionObj,

planeRegionObj, componentIndex, transformIndex, tobj);

return 0;

bailout:

return -1;

}

/* TurboJPEG 1.2.x: TJTransformer::transform() */

JNIEXPORT jintArray JNICALL Java_org_libjpegturbo_turbojpeg_TJTransformer_transform

(JNIEnv *env, jobject obj, jbyteArray jsrcBuf, jint jpegSize,

jobjectArray dstobjs, jobjectArray tobjs, jint flags)

{

tjhandle handle=0; int i;

unsigned char *jpegBuf=NULL, **dstBufs=NULL; jsize n=0;

unsigned long *dstSizes=NULL; tjtransform *t=NULL;

jbyteArray *jdstBufs=NULL;

int jpegWidth=0, jpegHeight=0, jpegSubsamp;

jintArray jdstSizes=0; jint *dstSizesi=NULL;

JNICustomFilterParams *params=NULL;

gethandle();

if((*env)->GetArrayLength(env, jsrcBuf)<jpegSize)

_throw("Source buffer is not large enough");

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegWidth", "I"));

jpegWidth=(int)(*env)->GetIntField(env, obj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegHeight", "I"));

jpegHeight=(int)(*env)->GetIntField(env, obj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "jpegSubsamp", "I"));

jpegSubsamp=(int)(*env)->GetIntField(env, obj, _fid);

n=(*env)->GetArrayLength(env, dstobjs);

if(n!=(*env)->GetArrayLength(env, tobjs))

_throw("Mismatch between size of transforms array and destination buffers array");

if((dstBufs=(unsigned char **)malloc(sizeof(unsigned char *)*n))==NULL)

_throw("Memory allocation failure");

if((jdstBufs=(jbyteArray *)malloc(sizeof(jbyteArray)*n))==NULL)

_throw("Memory allocation failure");

if((dstSizes=(unsigned long *)malloc(sizeof(unsigned long)*n))==NULL)

_throw("Memory allocation failure");

if((t=(tjtransform *)malloc(sizeof(tjtransform)*n))==NULL)

_throw("Memory allocation failure");

if((params=(JNICustomFilterParams *)malloc(sizeof(JNICustomFilterParams)*n))

==NULL)

_throw("Memory allocation failure");

for(i=0; i<n; i++)

{

dstBufs[i]=NULL; jdstBufs[i]=NULL; dstSizes[i]=0;

memset(&t[i], 0, sizeof(tjtransform));

memset(&params[i], 0, sizeof(JNICustomFilterParams));

}

for(i=0; i<n; i++)

{

jobject tobj, cfobj;

bailif0(tobj=(*env)->GetObjectArrayElement(env, tobjs, i));

bailif0(_cls=(*env)->GetObjectClass(env, tobj));

bailif0(_fid=(*env)->GetFieldID(env, _cls, "op", "I"));

t[i].op=(*env)->GetIntField(env, tobj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "options", "I"));

t[i].options=(*env)->GetIntField(env, tobj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "x", "I"));

t[i].r.x=(*env)->GetIntField(env, tobj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "y", "I"));

t[i].r.y=(*env)->GetIntField(env, tobj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "width", "I"));

t[i].r.w=(*env)->GetIntField(env, tobj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "height", "I"));

t[i].r.h=(*env)->GetIntField(env, tobj, _fid);

bailif0(_fid=(*env)->GetFieldID(env, _cls, "cf",

"Lorg/libjpegturbo/turbojpeg/TJCustomFilter;"));

cfobj=(*env)->GetObjectField(env, tobj, _fid);

if(cfobj)

{

params[i].env=env;

params[i].tobj=tobj;

params[i].cfobj=cfobj;

t[i].customFilter=JNICustomFilter;

t[i].data=(void *)&params[i];

}

}

for(i=0; i<n; i++)

{

int w=jpegWidth, h=jpegHeight;

if(t[i].r.w!=0) w=t[i].r.w;

if(t[i].r.h!=0) h=t[i].r.h;

bailif0(jdstBufs[i]=(*env)->GetObjectArrayElement(env, dstobjs, i));

if((unsigned long)(*env)->GetArrayLength(env, jdstBufs[i])

<tjBufSize(w, h, jpegSubsamp))

_throw("Destination buffer is not large enough");

}

bailif0(jpegBuf=(*env)->GetPrimitiveArrayCritical(env, jsrcBuf, 0));

for(i=0; i<n; i++)

bailif0(dstBufs[i]=(*env)->GetPrimitiveArrayCritical(env, jdstBufs[i], 0));

if(tjTransform(handle, jpegBuf, jpegSize, n, dstBufs, dstSizes, t,

flags|TJFLAG_NOREALLOC)==-1)

_throw(tjGetErrorStr());

for(i=0; i<n; i++)

{

(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);

dstBufs[i]=NULL;

}

(*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);

jpegBuf=NULL;

jdstSizes=(*env)->NewIntArray(env, n);

bailif0(dstSizesi=(*env)->GetIntArrayElements(env, jdstSizes, 0));

for(i=0; i<n; i++) dstSizesi[i]=(int)dstSizes[i];

bailout:

if(dstSizesi) (*env)->ReleaseIntArrayElements(env, jdstSizes, dstSizesi, 0);

if(dstBufs)

{

for(i=0; i<n; i++)

{

if(dstBufs[i] && jdstBufs && jdstBufs[i])

(*env)->ReleasePrimitiveArrayCritical(env, jdstBufs[i], dstBufs[i], 0);

}

free(dstBufs);

}

if(jpegBuf) (*env)->ReleasePrimitiveArrayCritical(env, jsrcBuf, jpegBuf, 0);

if(jdstBufs) free(jdstBufs);

if(dstSizes) free(dstSizes);

if(t) free(t);

return jdstSizes;

}

/* TurboJPEG 1.2.x: TJDecompressor::destroy() */

JNIEXPORT void JNICALL Java_org_libjpegturbo_turbojpeg_TJDecompressor_destroy

(JNIEnv *env, jobject obj)

{

Java_org_libjpegturbo_turbojpeg_TJCompressor_destroy(env, obj);

}