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awt_ImagingLib.c
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awt_ImagingLib.c
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/*
* Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "sun_awt_image_ImagingLib.h"
#include "java_awt_Transparency.h"
#include "java_awt_image_AffineTransformOp.h"
#include "java_awt_image_BufferedImage.h"
#include "java_awt_color_ColorSpace.h"
#include "java_awt_image_ConvolveOp.h"
#include "sun_awt_image_IntegerComponentRaster.h"
#include "awt_ImagingLib.h"
#include "awt_parseImage.h"
#include "imageInitIDs.h"
#include <jni.h>
#include <jni_util.h>
#include <assert.h>
#include "awt_Mlib.h"
#include "gdefs.h"
#include "safe_alloc.h"
#include "safe_math.h"
/***************************************************************************
* Definitions *
***************************************************************************/
#define jio_fprintf fprintf
#ifndef TRUE
#define TRUE 1
#endif /* TRUE */
#ifndef FALSE
#define FALSE 0
#endif /* FALSE */
#define TYPE_CUSTOM java_awt_image_BufferedImage_TYPE_CUSTOM
#define TYPE_INT_RGB java_awt_image_BufferedImage_TYPE_INT_RGB
#define TYPE_INT_ARGB java_awt_image_BufferedImage_TYPE_INT_ARGB
#define TYPE_INT_ARGB_PRE java_awt_image_BufferedImage_TYPE_INT_ARGB_PRE
#define TYPE_INT_BGR java_awt_image_BufferedImage_TYPE_INT_BGR
#define TYPE_4BYTE_ABGR java_awt_image_BufferedImage_TYPE_4BYTE_ABGR
#define TYPE_4BYTE_ABGR_PRE java_awt_image_BufferedImage_TYPE_4BYTE_ABGR_PRE
/* (alpha*color)>>nbits + alpha>>(nbits-1) */
#define BLEND(color, alpha, alphaNbits) \
((((alpha)*(color))>>(alphaNbits)) + ((alpha) >> ((alphaNbits)-1)))
/* ((color - (alpha>>(nBits-1)))<<nBits)/alpha */
#define UNBLEND(color, alpha, alphaNbits) \
((((color)-((alpha)>>((alphaNbits)-1)))<<(alphaNbits))/(alpha))
/* Enumeration of all of the mlib functions used */
typedef enum {
MLIB_CONVMxN,
MLIB_AFFINE,
MLIB_LOOKUP,
MLIB_CONVKERNCVT
} mlibTypeE_t;
typedef struct {
int dataType; /* One of BYTE_DATA_TYPE, SHORT_DATA_TYPE, */
int needToCopy;
int cvtSrcToDefault; /* If TRUE, convert the src to def CM (pre?) */
int allocDefaultDst; /* If TRUE, alloc def CM dst buffer */
int cvtToDst; /* If TRUE, convert dst buffer to Dst CM */
int addAlpha;
} mlibHintS_t;
/***************************************************************************
* Static Variables/Structures *
***************************************************************************/
static mlibSysFnS_t sMlibSysFns = {
NULL, // placeholder for j2d_mlib_ImageCreate
NULL, // placeholder for j2d_mlib_ImageCreateStruct
NULL, // placeholder for j2d_mlib_ImageDelete
};
static mlibFnS_t sMlibFns[] = {
{NULL, "j2d_mlib_ImageConvMxN"},
{NULL, "j2d_mlib_ImageAffine"},
{NULL, "j2d_mlib_ImageLookUp"},
{NULL, "j2d_mlib_ImageConvKernelConvert"},
{NULL, NULL},
};
static int s_timeIt = 0;
static int s_printIt = 0;
static int s_startOff = 0;
static int s_nomlib = 0;
/***************************************************************************
* Static Function Prototypes *
***************************************************************************/
static int
allocateArray(JNIEnv *env, BufImageS_t *imageP,
mlib_image **mlibImagePP, void **dataPP, int isSrc,
int cvtToDefault, int addAlpha);
static int
allocateRasterArray(JNIEnv *env, RasterS_t *rasterP,
mlib_image **mlibImagePP, void **dataPP, int isSrc);
static void
freeArray(JNIEnv *env, BufImageS_t *srcimageP, mlib_image *srcmlibImP,
void *srcdataP, BufImageS_t *dstimageP, mlib_image *dstmlibImP,
void *dstdataP);
static void
freeDataArray(JNIEnv *env, jobject srcJdata, mlib_image *srcmlibImP,
void *srcdataP, jobject dstJdata, mlib_image *dstmlibImP,
void *dstdataP);
static int
storeImageArray(JNIEnv *env, BufImageS_t *srcP, BufImageS_t *dstP,
mlib_image *mlibImP);
static int
storeRasterArray(JNIEnv *env, RasterS_t *srcP, RasterS_t *dstP,
mlib_image *mlibImP);
static int
storeICMarray(JNIEnv *env, BufImageS_t *srcP, BufImageS_t *dstP,
mlib_image *mlibImP);
static int
colorMatch(int r, int g, int b, int a, unsigned char *argb, int numColors);
static int
setImageHints(JNIEnv *env, BufImageS_t *srcP, BufImageS_t *dstP,
int expandICM, int useAlpha,
int premultiply, mlibHintS_t *hintP);
static int expandICM(JNIEnv *env, BufImageS_t *imageP, unsigned int *mDataP);
static int expandPackedBCR(JNIEnv *env, RasterS_t *rasterP, int component,
unsigned char *outDataP);
static int expandPackedSCR(JNIEnv *env, RasterS_t *rasterP, int component,
unsigned char *outDataP);
static int expandPackedICR(JNIEnv *env, RasterS_t *rasterP, int component,
unsigned char *outDataP);
static int expandPackedBCRdefault(JNIEnv *env, RasterS_t *rasterP,
int component, unsigned char *outDataP,
int forceAlpha);
static int expandPackedSCRdefault(JNIEnv *env, RasterS_t *rasterP,
int component, unsigned char *outDataP,
int forceAlpha);
static int expandPackedICRdefault(JNIEnv *env, RasterS_t *rasterP,
int component, unsigned char *outDataP,
int forceAlpha);
static int setPackedBCR(JNIEnv *env, RasterS_t *rasterP, int component,
unsigned char *outDataP);
static int setPackedSCR(JNIEnv *env, RasterS_t *rasterP, int component,
unsigned char *outDataP);
static int setPackedICR(JNIEnv *env, RasterS_t *rasterP, int component,
unsigned char *outDataP);
static int setPackedBCRdefault(JNIEnv *env, RasterS_t *rasterP,
int component, unsigned char *outDataP,
int supportsAlpha);
static int setPackedSCRdefault(JNIEnv *env, RasterS_t *rasterP,
int component, unsigned char *outDataP,
int supportsAlpha);
static int setPackedICRdefault(JNIEnv *env, RasterS_t *rasterP,
int component, unsigned char *outDataP,
int supportsAlpha);
mlib_start_timer start_timer = NULL;
mlib_stop_timer stop_timer = NULL;
/***************************************************************************
* Debugging Definitions *
***************************************************************************/
#ifdef DEBUG
static void
printMedialibError(int status) {
switch(status) {
case MLIB_FAILURE:
jio_fprintf(stderr, "failure\n");
break;
case MLIB_NULLPOINTER:
jio_fprintf(stderr, "null pointer\n");
break;
case MLIB_OUTOFRANGE:
jio_fprintf (stderr, "out of range\n");
break;
default:
jio_fprintf (stderr, "medialib error\n");
break;
}
}
#else /* ! DEBUG */
# define printMedialibError(x)
#endif /* ! DEBUG */
static int
getMlibEdgeHint(jint edgeHint) {
switch (edgeHint) {
case java_awt_image_ConvolveOp_EDGE_NO_OP:
return MLIB_EDGE_DST_COPY_SRC;
case java_awt_image_ConvolveOp_EDGE_ZERO_FILL:
default:
return MLIB_EDGE_DST_FILL_ZERO;
}
}
/*
* We have to make sure that awt_setPixels can be safely applied to the given pair of
* raster and mlib image.
*
* In particular, make sure that
* - dimension is the same
* - number of channels in mlib image corresponds to the number of bands in the raster
* - sample size in image and raster are the same.
*
* Returns:
* -1 to indicate failure,
* 1 to indicate success
*/
static int setPixelsFormMlibImage(JNIEnv *env, RasterS_t *rasterP, mlib_image* img) {
if (rasterP->width != img->width || rasterP->height != img->height) {
/* dimension does not match */
return -1;
}
if (rasterP->numBands != img->channels) {
/* number of bands does not match */
return -1;
}
switch (rasterP->dataType) {
case BYTE_DATA_TYPE:
if (img->type != MLIB_BYTE) {
return -1;
}
break;
case SHORT_DATA_TYPE:
if (img->type != MLIB_SHORT && img->type != MLIB_USHORT) {
return -1;
}
break;
default:
/* awt_setPixels does not support such rasters */
return -1;
}
return awt_setPixels(env, rasterP, mlib_ImageGetData(img));
}
/***************************************************************************
* External Functions *
***************************************************************************/
JNIEXPORT jint JNICALL
Java_sun_awt_image_ImagingLib_convolveBI(JNIEnv *env, jobject this,
jobject jsrc, jobject jdst,
jobject jkernel, jint edgeHint)
{
void *sdata, *ddata;
mlib_image *src;
mlib_image *dst;
int i, scale;
mlib_d64 *dkern;
mlib_s32 *kdata;
int klen;
float kmax;
mlib_s32 cmask;
mlib_status status;
int retStatus = 1;
float *kern;
BufImageS_t *srcImageP, *dstImageP;
jobject jdata;
int kwidth;
int kheight;
int w, h;
int x, y;
mlibHintS_t hint;
int nbands;
/* This function requires a lot of local refs ??? Is 64 enough ??? */
if ((*env)->EnsureLocalCapacity(env, 64) < 0)
return 0;
if (s_nomlib) return 0;
if (s_timeIt) (*start_timer)(3600);
kwidth = (*env)->GetIntField(env, jkernel, g_KernelWidthID);
kheight = (*env)->GetIntField(env, jkernel, g_KernelHeightID);
jdata = (*env)->GetObjectField(env, jkernel, g_KernelDataID);
klen = (*env)->GetArrayLength(env, jdata);
kern = (float *) (*env)->GetPrimitiveArrayCritical(env, jdata, NULL);
if (kern == NULL) {
/* out of memory exception already thrown */
return 0;
}
if ((kwidth&0x1) == 0) {
/* Kernel has even width */
w = kwidth+1;
}
else {
w = kwidth;
}
if ((kheight&0x1) == 0) {
/* Kernel has even height */
h = kheight+1;
}
else {
h = kheight;
}
dkern = NULL;
if (SAFE_TO_ALLOC_3(w, h, sizeof(mlib_d64))) {
dkern = (mlib_d64 *)calloc(1, w * h * sizeof(mlib_d64));
}
if (dkern == NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, jdata, kern, JNI_ABORT);
return 0;
}
/* Need to flip and find max value of the kernel.
* Also, save the kernel values as mlib_d64 values.
* The flip is to operate correctly with medialib,
* which doesn't do the mathemetically correct thing,
* i.e. it doesn't rotate the kernel by 180 degrees.
* REMIND: This should perhaps be done at the Java
* level by ConvolveOp.
* REMIND: Should the max test be looking at absolute
* values?
* REMIND: What if klen != kheight * kwidth?
*/
kmax = kern[klen-1];
i = klen-1;
for (y=0; y < kheight; y++) {
for (x=0; x < kwidth; x++, i--) {
dkern[y*w+x] = (mlib_d64) kern[i];
if (kern[i] > kmax) {
kmax = kern[i];
}
}
}
(*env)->ReleasePrimitiveArrayCritical(env, jdata, kern, JNI_ABORT);
if (kmax > 1<<16) {
/* We can only handle 16 bit max */
free(dkern);
return 0;
}
/* Parse the source image */
if (awt_parseImage(env, jsrc, &srcImageP, FALSE) <= 0) {
/* Can't handle any custom images */
free(dkern);
return 0;
}
/* Parse the destination image */
if (awt_parseImage(env, jdst, &dstImageP, FALSE) <= 0) {
/* Can't handle any custom images */
awt_freeParsedImage(srcImageP, TRUE);
free(dkern);
return 0;
}
nbands = setImageHints(env, srcImageP, dstImageP, TRUE, TRUE,
FALSE, &hint);
if (nbands < 1) {
/* Can't handle any custom images */
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
free(dkern);
return 0;
}
/* Allocate the arrays */
if (allocateArray(env, srcImageP, &src, &sdata, TRUE,
hint.cvtSrcToDefault, hint.addAlpha) < 0) {
/* Must be some problem */
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
free(dkern);
return 0;
}
if (allocateArray(env, dstImageP, &dst, &ddata, FALSE,
hint.cvtToDst, FALSE) < 0) {
/* Must be some problem */
freeArray(env, srcImageP, src, sdata, NULL, NULL, NULL);
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
free(dkern);
return 0;
}
kdata = NULL;
if (SAFE_TO_ALLOC_3(w, h, sizeof(mlib_s32))) {
kdata = (mlib_s32 *)malloc(w * h * sizeof(mlib_s32));
}
if (kdata == NULL) {
freeArray(env, srcImageP, src, sdata, dstImageP, dst, ddata);
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
free(dkern);
return 0;
}
if ((*sMlibFns[MLIB_CONVKERNCVT].fptr)(kdata, &scale, dkern, w, h,
mlib_ImageGetType(src)) != MLIB_SUCCESS) {
freeArray(env, srcImageP, src, sdata, dstImageP, dst, ddata);
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
free(dkern);
free(kdata);
return 0;
}
if (s_printIt) {
fprintf(stderr, "Orig Kernel(len=%d):\n",klen);
for (y=kheight-1; y >= 0; y--) {
for (x=kwidth-1; x >= 0; x--) {
fprintf(stderr, "%g ", dkern[y*w+x]);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "New Kernel(scale=%d):\n", scale);
for (y=kheight-1; y >= 0; y--) {
for (x=kwidth-1; x >= 0; x--) {
fprintf(stderr, "%d ", kdata[y*w+x]);
}
fprintf(stderr, "\n");
}
}
cmask = (1<<src->channels)-1;
status = (*sMlibFns[MLIB_CONVMxN].fptr)(dst, src, kdata, w, h,
(w-1)/2, (h-1)/2, scale, cmask,
getMlibEdgeHint(edgeHint));
if (status != MLIB_SUCCESS) {
printMedialibError(status);
retStatus = 0;
}
if (s_printIt) {
unsigned int *dP;
if (s_startOff != 0) {
printf("Starting at %d\n", s_startOff);
}
if (sdata == NULL) {
dP = (unsigned int *) mlib_ImageGetData(src);
}
else {
dP = (unsigned int *) sdata;
}
printf("src is\n");
for (i=0; i < 20; i++) {
printf("%x ",dP[s_startOff+i]);
}
printf("\n");
if (ddata == NULL) {
dP = (unsigned int *)mlib_ImageGetData(dst);
}
else {
dP = (unsigned int *) ddata;
}
printf("dst is \n");
for (i=0; i < 20; i++) {
printf("%x ",dP[s_startOff+i]);
}
printf("\n");
}
/* Means that we couldn't write directly into the destination buffer */
if (ddata == NULL) {
/* Need to store it back into the array */
if (storeImageArray(env, srcImageP, dstImageP, dst) < 0) {
/* Error */
retStatus = 0;
}
}
/* Release the pinned memory */
freeArray(env, srcImageP, src, sdata, dstImageP, dst, ddata);
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
free(dkern);
free(kdata);
if (s_timeIt) (*stop_timer)(3600, 1);
return retStatus;
}
JNIEXPORT jint JNICALL
Java_sun_awt_image_ImagingLib_convolveRaster(JNIEnv *env, jobject this,
jobject jsrc, jobject jdst,
jobject jkernel, jint edgeHint)
{
mlib_image *src;
mlib_image *dst;
int i, scale;
mlib_d64 *dkern;
mlib_s32 *kdata;
int klen;
float kmax;
int retStatus = 1;
mlib_status status;
mlib_s32 cmask;
void *sdata;
void *ddata;
RasterS_t *srcRasterP;
RasterS_t *dstRasterP;
int kwidth;
int kheight;
int w, h;
int x, y;
jobject jdata;
float *kern;
/* This function requires a lot of local refs ??? Is 64 enough ??? */
if ((*env)->EnsureLocalCapacity(env, 64) < 0)
return 0;
if (s_nomlib) return 0;
if (s_timeIt) (*start_timer)(3600);
kwidth = (*env)->GetIntField(env, jkernel, g_KernelWidthID);
kheight = (*env)->GetIntField(env, jkernel, g_KernelHeightID);
jdata = (*env)->GetObjectField(env, jkernel, g_KernelDataID);
klen = (*env)->GetArrayLength(env, jdata);
kern = (float *) (*env)->GetPrimitiveArrayCritical(env, jdata, NULL);
if (kern == NULL) {
/* out of memory exception already thrown */
return 0;
}
if ((kwidth&0x1) == 0) {
/* Kernel has even width */
w = kwidth+1;
}
else {
w = kwidth;
}
if ((kheight&0x1) == 0) {
/* Kernel has even height */
h = kheight+1;
}
else {
h = kheight;
}
dkern = NULL;
if (SAFE_TO_ALLOC_3(w, h, sizeof(mlib_d64))) {
dkern = (mlib_d64 *)calloc(1, w * h * sizeof(mlib_d64));
}
if (dkern == NULL) {
(*env)->ReleasePrimitiveArrayCritical(env, jdata, kern, JNI_ABORT);
return 0;
}
/* Need to flip and find max value of the kernel.
* Also, save the kernel values as mlib_d64 values.
* The flip is to operate correctly with medialib,
* which doesn't do the mathemetically correct thing,
* i.e. it doesn't rotate the kernel by 180 degrees.
* REMIND: This should perhaps be done at the Java
* level by ConvolveOp.
* REMIND: Should the max test be looking at absolute
* values?
* REMIND: What if klen != kheight * kwidth?
*/
kmax = kern[klen-1];
i = klen-1;
for (y=0; y < kheight; y++) {
for (x=0; x < kwidth; x++, i--) {
dkern[y*w+x] = (mlib_d64) kern[i];
if (kern[i] > kmax) {
kmax = kern[i];
}
}
}
(*env)->ReleasePrimitiveArrayCritical(env, jdata, kern, JNI_ABORT);
if (kmax > 1<<16) {
/* We can only handle 16 bit max */
free(dkern);
return 0;
}
/* Parse the source image */
if ((srcRasterP = (RasterS_t *) calloc(1, sizeof(RasterS_t))) == NULL) {
JNU_ThrowOutOfMemoryError(env, "Out of memory");
free(dkern);
return -1;
}
if ((dstRasterP = (RasterS_t *) calloc(1, sizeof(RasterS_t))) == NULL) {
JNU_ThrowOutOfMemoryError(env, "Out of memory");
free(srcRasterP);
free(dkern);
return -1;
}
/* Parse the source raster */
if (awt_parseRaster(env, jsrc, srcRasterP) <= 0) {
/* Can't handle any custom rasters */
free(srcRasterP);
free(dstRasterP);
free(dkern);
return 0;
}
/* Parse the destination raster */
if (awt_parseRaster(env, jdst, dstRasterP) <= 0) {
/* Can't handle any custom images */
awt_freeParsedRaster(srcRasterP, TRUE);
free(dstRasterP);
free(dkern);
return 0;
}
/* Allocate the arrays */
if (allocateRasterArray(env, srcRasterP, &src, &sdata, TRUE) < 0) {
/* Must be some problem */
awt_freeParsedRaster(srcRasterP, TRUE);
awt_freeParsedRaster(dstRasterP, TRUE);
free(dkern);
return 0;
}
if (allocateRasterArray(env, dstRasterP, &dst, &ddata, FALSE) < 0) {
/* Must be some problem */
freeDataArray(env, srcRasterP->jdata, src, sdata, NULL, NULL, NULL);
awt_freeParsedRaster(srcRasterP, TRUE);
awt_freeParsedRaster(dstRasterP, TRUE);
free(dkern);
return 0;
}
kdata = NULL;
if (SAFE_TO_ALLOC_3(w, h, sizeof(mlib_s32))) {
kdata = (mlib_s32 *)malloc(w * h * sizeof(mlib_s32));
}
if (kdata == NULL) {
freeDataArray(env, srcRasterP->jdata, src, sdata,
dstRasterP->jdata, dst, ddata);
awt_freeParsedRaster(srcRasterP, TRUE);
awt_freeParsedRaster(dstRasterP, TRUE);
free(dkern);
return 0;
}
if ((*sMlibFns[MLIB_CONVKERNCVT].fptr)(kdata, &scale, dkern, w, h,
mlib_ImageGetType(src)) != MLIB_SUCCESS) {
freeDataArray(env, srcRasterP->jdata, src, sdata,
dstRasterP->jdata, dst, ddata);
awt_freeParsedRaster(srcRasterP, TRUE);
awt_freeParsedRaster(dstRasterP, TRUE);
free(dkern);
free(kdata);
return 0;
}
if (s_printIt) {
fprintf(stderr, "Orig Kernel(len=%d):\n",klen);
for (y=kheight-1; y >= 0; y--) {
for (x=kwidth-1; x >= 0; x--) {
fprintf(stderr, "%g ", dkern[y*w+x]);
}
fprintf(stderr, "\n");
}
fprintf(stderr, "New Kernel(scale=%d):\n", scale);
for (y=kheight-1; y >= 0; y--) {
for (x=kwidth-1; x >= 0; x--) {
fprintf(stderr, "%d ", kdata[y*w+x]);
}
fprintf(stderr, "\n");
}
}
cmask = (1<<src->channels)-1;
status = (*sMlibFns[MLIB_CONVMxN].fptr)(dst, src, kdata, w, h,
(w-1)/2, (h-1)/2, scale, cmask,
getMlibEdgeHint(edgeHint));
if (status != MLIB_SUCCESS) {
printMedialibError(status);
retStatus = 0;
}
if (s_printIt) {
unsigned int *dP;
if (s_startOff != 0) {
printf("Starting at %d\n", s_startOff);
}
if (sdata == NULL) {
dP = (unsigned int *) mlib_ImageGetData(src);
}
else {
dP = (unsigned int *) sdata;
}
printf("src is\n");
for (i=0; i < 20; i++) {
printf("%x ",dP[s_startOff+i]);
}
printf("\n");
if (ddata == NULL) {
dP = (unsigned int *)mlib_ImageGetData(dst);
}
else {
dP = (unsigned int *) ddata;
}
printf("dst is\n");
for (i=0; i < 20; i++) {
printf("%x ",dP[s_startOff+i]);
}
printf("\n");
}
/* Means that we couldn't write directly into the destination buffer */
if (ddata == NULL) {
if (storeRasterArray(env, srcRasterP, dstRasterP, dst) < 0) {
retStatus = setPixelsFormMlibImage(env, dstRasterP, dst);
}
}
/* Release the pinned memory */
freeDataArray(env, srcRasterP->jdata, src, sdata,
dstRasterP->jdata, dst, ddata);
awt_freeParsedRaster(srcRasterP, TRUE);
awt_freeParsedRaster(dstRasterP, TRUE);
free(dkern);
free(kdata);
if (s_timeIt) (*stop_timer)(3600,1);
return retStatus;
}
JNIEXPORT jint JNICALL
Java_sun_awt_image_ImagingLib_transformBI(JNIEnv *env, jobject this,
jobject jsrc,
jobject jdst,
jdoubleArray jmatrix,
jint interpType)
{
mlib_image *src;
mlib_image *dst;
int i;
int retStatus = 1;
mlib_status status;
double *matrix;
mlib_d64 mtx[6];
void *sdata;
void *ddata;
BufImageS_t *srcImageP;
BufImageS_t *dstImageP;
mlib_filter filter;
mlibHintS_t hint;
unsigned int *dP;
int useIndexed;
int nbands;
/* This function requires a lot of local refs ??? Is 64 enough ??? */
if ((*env)->EnsureLocalCapacity(env, 64) < 0)
return 0;
if (s_nomlib) return 0;
if (s_timeIt) {
(*start_timer)(3600);
}
switch(interpType) {
case java_awt_image_AffineTransformOp_TYPE_BILINEAR:
filter = MLIB_BILINEAR;
break;
case java_awt_image_AffineTransformOp_TYPE_NEAREST_NEIGHBOR:
filter = MLIB_NEAREST;
break;
case java_awt_image_AffineTransformOp_TYPE_BICUBIC:
filter = MLIB_BICUBIC;
break;
default:
JNU_ThrowInternalError(env, "Unknown interpolation type");
return -1;
}
if ((*env)->GetArrayLength(env, jmatrix) < 6) {
/*
* Very unlikely, however we should check for this:
* if given matrix array is too short, we can't handle it
*/
return 0;
}
matrix = (*env)->GetPrimitiveArrayCritical(env, jmatrix, NULL);
if (matrix == NULL) {
/* out of memory error already thrown */
return 0;
}
if (s_printIt) {
printf("matrix is %g %g %g %g %g %g\n", matrix[0], matrix[1],
matrix[2], matrix[3], matrix[4], matrix[5]);
}
mtx[0] = matrix[0];
mtx[1] = matrix[2];
mtx[2] = matrix[4];
mtx[3] = matrix[1];
mtx[4] = matrix[3];
mtx[5] = matrix[5];
(*env)->ReleasePrimitiveArrayCritical(env, jmatrix, matrix, JNI_ABORT);
/* Parse the source image */
if (awt_parseImage(env, jsrc, &srcImageP, FALSE) <= 0) {
/* Can't handle any custom images */
return 0;
}
/* Parse the destination image */
if (awt_parseImage(env, jdst, &dstImageP, FALSE) <= 0) {
/* Can't handle any custom images */
awt_freeParsedImage(srcImageP, TRUE);
return 0;
}
/* REMIND!! Can't assume that it is the same LUT!! */
/* Fix 4213160, 4184283 */
useIndexed = (srcImageP->cmodel.cmType == INDEX_CM_TYPE &&
dstImageP->cmodel.cmType == INDEX_CM_TYPE &&
srcImageP->raster.rasterType == dstImageP->raster.rasterType &&
srcImageP->raster.rasterType == COMPONENT_RASTER_TYPE);
nbands = setImageHints(env, srcImageP, dstImageP, !useIndexed, TRUE,
FALSE, &hint);
if (nbands < 1) {
/* Can't handle any custom images */
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
return 0;
}
/* Allocate the arrays */
if (allocateArray(env, srcImageP, &src, &sdata, TRUE,
hint.cvtSrcToDefault, hint.addAlpha) < 0) {
/* Must be some problem */
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
return 0;
}
if (allocateArray(env, dstImageP, &dst, &ddata, FALSE,
hint.cvtToDst, FALSE) < 0) {
/* Must be some problem */
freeArray(env, srcImageP, src, sdata, NULL, NULL, NULL);
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
return 0;
}
#if 0
fprintf(stderr,"Src----------------\n");
fprintf(stderr,"Type : %d\n",src->type);
fprintf(stderr,"Channels: %d\n",src->channels);
fprintf(stderr,"Width : %d\n",src->width);
fprintf(stderr,"Height : %d\n",src->height);
fprintf(stderr,"Stride : %d\n",src->stride);
fprintf(stderr,"Flags : %d\n",src->flags);
fprintf(stderr,"Dst----------------\n");
fprintf(stderr,"Type : %d\n",dst->type);
fprintf(stderr,"Channels: %d\n",dst->channels);
fprintf(stderr,"Width : %d\n",dst->width);
fprintf(stderr,"Height : %d\n",dst->height);
fprintf(stderr,"Stride : %d\n",dst->stride);
fprintf(stderr,"Flags : %d\n",dst->flags);
#endif
if (dstImageP->cmodel.cmType == INDEX_CM_TYPE) {
/* Need to clear the destination to the transparent pixel */
unsigned char *cP = (unsigned char *)mlib_ImageGetData(dst);
memset(cP, dstImageP->cmodel.transIdx,
mlib_ImageGetWidth(dst)*mlib_ImageGetHeight(dst));
}
/* Perform the transformation */
if ((status = (*sMlibFns[MLIB_AFFINE].fptr)(dst, src, mtx, filter,
MLIB_EDGE_SRC_EXTEND) != MLIB_SUCCESS))
{
printMedialibError(status);
freeArray(env, srcImageP, src, sdata, dstImageP, dst, ddata);
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
return 0;
}
if (s_printIt) {
if (sdata == NULL) {
dP = (unsigned int *) mlib_ImageGetData(src);
}
else {
dP = (unsigned int *) sdata;
}
printf("src is\n");
for (i=0; i < 20; i++) {
printf("%x ",dP[i]);
}
printf("\n");
if (ddata == NULL) {
dP = (unsigned int *)mlib_ImageGetData(dst);
}
else {
dP = (unsigned int *) ddata;
}
printf("dst is\n");
for (i=0; i < 20; i++) {
printf("%x ",dP[i]);
}
printf("\n");
}
/* Means that we couldn't write directly into the destination buffer */
if (ddata == NULL) {
freeDataArray(env, srcImageP->raster.jdata, src, sdata,
NULL, NULL, NULL);
/* Need to store it back into the array */
if (storeImageArray(env, srcImageP, dstImageP, dst) < 0) {
/* Error */
retStatus = 0;
}
freeDataArray(env, NULL, NULL, NULL, dstImageP->raster.jdata,
dst, ddata);
}
else {
/* Release the pinned memory */
freeArray(env, srcImageP, src, sdata, dstImageP, dst, ddata);
}
awt_freeParsedImage(srcImageP, TRUE);
awt_freeParsedImage(dstImageP, TRUE);
if (s_timeIt) (*stop_timer)(3600,1);
return retStatus;
}
JNIEXPORT jint JNICALL
Java_sun_awt_image_ImagingLib_transformRaster(JNIEnv *env, jobject this,
jobject jsrc,
jobject jdst,
jdoubleArray jmatrix,
jint interpType)
{
mlib_image *src;
mlib_image *dst;
int i;
int retStatus = 1;
mlib_status status;
double *matrix;
mlib_d64 mtx[6];
void *sdata;
void *ddata;
RasterS_t *srcRasterP;
RasterS_t *dstRasterP;
mlib_filter filter;
unsigned int *dP;
/* This function requires a lot of local refs ??? Is 64 enough ??? */
if ((*env)->EnsureLocalCapacity(env, 64) < 0)
return 0;
if (s_nomlib) return 0;
if (s_timeIt) {
(*start_timer)(3600);