/*
* Copyright (C)2009-2014, 2017-2019 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.
*/
/*
* This program tests the various code paths in the TurboJPEG C Wrapper
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include "tjutil.h"
#include "turbojpeg.h"
#include "md5/md5.h"
#include "cmyk.h"
#ifdef _WIN32
#include <time.h>
#define random() rand()
#else
#include <unistd.h>
#endif
static void usage(char *progName)
{
printf("\nUSAGE: %s [options]\n\n", progName);
printf("Options:\n");
printf("-yuv = test YUV encoding/decoding support\n");
printf("-noyuvpad = do not pad each line of each Y, U, and V plane to the nearest\n");
printf(" 4-byte boundary\n");
printf("-alloc = test automatic buffer allocation\n");
printf("-bmp = tjLoadImage()/tjSaveImage() unit test\n\n");
exit(1);
}
#define THROW_TJ() { \
printf("TurboJPEG ERROR:\n%s\n", tjGetErrorStr()); \
BAILOUT() \
}
#define TRY_TJ(f) { if ((f) == -1) THROW_TJ(); }
#define THROW(m) { printf("ERROR: %s\n", m); BAILOUT() }
#define THROW_MD5(filename, md5sum, ref) { \
printf("\n%s has an MD5 sum of %s.\n Should be %s.\n", filename, md5sum, \
ref); \
BAILOUT() \
}
const char *subNameLong[TJ_NUMSAMP] = {
"4:4:4", "4:2:2", "4:2:0", "GRAY", "4:4:0", "4:1:1"
};
const char *subName[TJ_NUMSAMP] = {
"444", "422", "420", "GRAY", "440", "411"
};
const char *pixFormatStr[TJ_NUMPF] = {
"RGB", "BGR", "RGBX", "BGRX", "XBGR", "XRGB", "Grayscale",
"RGBA", "BGRA", "ABGR", "ARGB", "CMYK"
};
const int _3byteFormats[] = { TJPF_RGB, TJPF_BGR };
const int _4byteFormats[] = {
TJPF_RGBX, TJPF_BGRX, TJPF_XBGR, TJPF_XRGB, TJPF_CMYK
};
const int _onlyGray[] = { TJPF_GRAY };
const int _onlyRGB[] = { TJPF_RGB };
int doYUV = 0, alloc = 0, pad = 4;
int exitStatus = 0;
#define BAILOUT() { exitStatus = -1; goto bailout; }
static void initBuf(unsigned char *buf, int w, int h, int pf, int flags)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int ps = tjPixelSize[pf];
int index, row, col, halfway = 16;
if (pf == TJPF_GRAY) {
memset(buf, 0, w * h * ps);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0)
buf[index] = (row < halfway) ? 255 : 0;
else buf[index] = (row < halfway) ? 76 : 226;
}
}
} else if (pf == TJPF_CMYK) {
memset(buf, 255, w * h * ps);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row >= halfway) buf[index * ps + 3] = 0;
} else {
buf[index * ps + 2] = 0;
if (row < halfway) buf[index * ps + 1] = 0;
}
}
}
} else {
memset(buf, 0, w * h * ps);
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
if (((row / 8) + (col / 8)) % 2 == 0) {
if (row < halfway) {
buf[index * ps + roffset] = 255;
buf[index * ps + goffset] = 255;
buf[index * ps + boffset] = 255;
}
} else {
buf[index * ps + roffset] = 255;
if (row >= halfway) buf[index * ps + goffset] = 255;
}
}
}
}
}
#define CHECKVAL(v, cv) { \
if (v < cv - 1 || v > cv + 1) { \
printf("\nComp. %s at %d,%d should be %d, not %d\n", #v, row, col, cv, \
v); \
retval = 0; exitStatus = -1; goto bailout; \
} \
}
#define CHECKVAL0(v) { \
if (v > 1) { \
printf("\nComp. %s at %d,%d should be 0, not %d\n", #v, row, col, v); \
retval = 0; exitStatus = -1; goto bailout; \
} \
}
#define CHECKVAL255(v) { \
if (v < 254) { \
printf("\nComp. %s at %d,%d should be 255, not %d\n", #v, row, col, v); \
retval = 0; exitStatus = -1; goto bailout; \
} \
}
static int checkBuf(unsigned char *buf, int w, int h, int pf, int subsamp,
tjscalingfactor sf, int flags)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int aoffset = tjAlphaOffset[pf];
int ps = tjPixelSize[pf];
int index, row, col, retval = 1;
int halfway = 16 * sf.num / sf.denom;
int blocksize = 8 * sf.num / sf.denom;
if (pf == TJPF_GRAY) roffset = goffset = boffset = 0;
if (pf == TJPF_CMYK) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
unsigned char c, m, y, k;
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
c = buf[index * ps];
m = buf[index * ps + 1];
y = buf[index * ps + 2];
k = buf[index * ps + 3];
if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
CHECKVAL255(c); CHECKVAL255(m); CHECKVAL255(y);
if (row < halfway) CHECKVAL255(k)
else CHECKVAL0(k)
} else {
CHECKVAL255(c); CHECKVAL0(y); CHECKVAL255(k);
if (row < halfway) CHECKVAL0(m)
else CHECKVAL255(m)
}
}
}
return 1;
}
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
unsigned char r, g, b, a;
if (flags & TJFLAG_BOTTOMUP) index = (h - row - 1) * w + col;
else index = row * w + col;
r = buf[index * ps + roffset];
g = buf[index * ps + goffset];
b = buf[index * ps + boffset];
a = aoffset >= 0 ? buf[index * ps + aoffset] : 0xFF;
if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
if (row < halfway) {
CHECKVAL255(r); CHECKVAL255(g); CHECKVAL255(b);
} else {
CHECKVAL0(r); CHECKVAL0(g); CHECKVAL0(b);
}
} else {
if (subsamp == TJSAMP_GRAY) {
if (row < halfway) {
CHECKVAL(r, 76); CHECKVAL(g, 76); CHECKVAL(b, 76);
} else {
CHECKVAL(r, 226); CHECKVAL(g, 226); CHECKVAL(b, 226);
}
} else {
if (row < halfway) {
CHECKVAL255(r); CHECKVAL0(g); CHECKVAL0(b);
} else {
CHECKVAL255(r); CHECKVAL255(g); CHECKVAL0(b);
}
}
}
CHECKVAL255(a);
}
}
bailout:
if (retval == 0) {
for (row = 0; row < h; row++) {
for (col = 0; col < w; col++) {
if (pf == TJPF_CMYK)
printf("%.3d/%.3d/%.3d/%.3d ", buf[(row * w + col) * ps],
buf[(row * w + col) * ps + 1], buf[(row * w + col) * ps + 2],
buf[(row * w + col) * ps + 3]);
else
printf("%.3d/%.3d/%.3d ", buf[(row * w + col) * ps + roffset],
buf[(row * w + col) * ps + goffset],
buf[(row * w + col) * ps + boffset]);
}
printf("\n");
}
}
return retval;
}
#define PAD(v, p) ((v + (p) - 1) & (~((p) - 1)))
static int checkBufYUV(unsigned char *buf, int w, int h, int subsamp,
tjscalingfactor sf)
{
int row, col;
int hsf = tjMCUWidth[subsamp] / 8, vsf = tjMCUHeight[subsamp] / 8;
int pw = PAD(w, hsf), ph = PAD(h, vsf);
int cw = pw / hsf, ch = ph / vsf;
int ypitch = PAD(pw, pad), uvpitch = PAD(cw, pad);
int retval = 1;
int halfway = 16 * sf.num / sf.denom;
int blocksize = 8 * sf.num / sf.denom;
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++) {
unsigned char y = buf[ypitch * row + col];
if (((row / blocksize) + (col / blocksize)) % 2 == 0) {
if (row < halfway) CHECKVAL255(y)
else CHECKVAL0(y);
} else {
if (row < halfway) CHECKVAL(y, 76)
else CHECKVAL(y, 226);
}
}
}
if (subsamp != TJSAMP_GRAY) {
halfway = 16 / vsf * sf.num / sf.denom;
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++) {
unsigned char u = buf[ypitch * ph + (uvpitch * row + col)],
v = buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)];
if (((row * vsf / blocksize) + (col * hsf / blocksize)) % 2 == 0) {
CHECKVAL(u, 128); CHECKVAL(v, 128);
} else {
if (row < halfway) {
CHECKVAL(u, 85); CHECKVAL255(v);
} else {
CHECKVAL0(u); CHECKVAL(v, 149);
}
}
}
}
}
bailout:
if (retval == 0) {
for (row = 0; row < ph; row++) {
for (col = 0; col < pw; col++)
printf("%.3d ", buf[ypitch * row + col]);
printf("\n");
}
printf("\n");
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++)
printf("%.3d ", buf[ypitch * ph + (uvpitch * row + col)]);
printf("\n");
}
printf("\n");
for (row = 0; row < ch; row++) {
for (col = 0; col < cw; col++)
printf("%.3d ",
buf[ypitch * ph + uvpitch * ch + (uvpitch * row + col)]);
printf("\n");
}
}
return retval;
}
static void writeJPEG(unsigned char *jpegBuf, unsigned long jpegSize,
char *filename)
{
FILE *file = fopen(filename, "wb");
if (!file || fwrite(jpegBuf, jpegSize, 1, file) != 1) {
printf("ERROR: Could not write to %s.\n%s\n", filename, strerror(errno));
BAILOUT()
}
bailout:
if (file) fclose(file);
}
static void compTest(tjhandle handle, unsigned char **dstBuf,
unsigned long *dstSize, int w, int h, int pf,
char *basename, int subsamp, int jpegQual, int flags)
{
char tempStr[1024];
unsigned char *srcBuf = NULL, *yuvBuf = NULL;
const char *pfStr = pixFormatStr[pf];
const char *buStrLong =
(flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ";
const char *buStr = (flags & TJFLAG_BOTTOMUP) ? "BU" : "TD";
if ((srcBuf = (unsigned char *)malloc(w * h * tjPixelSize[pf])) == NULL)
THROW("Memory allocation failure");
initBuf(srcBuf, w, h, pf, flags);
if (*dstBuf && *dstSize > 0) memset(*dstBuf, 0, *dstSize);
if (!alloc) flags |= TJFLAG_NOREALLOC;
if (doYUV) {
unsigned long yuvSize = tjBufSizeYUV2(w, pad, h, subsamp);
tjscalingfactor sf = { 1, 1 };
tjhandle handle2 = tjInitCompress();
if (!handle2) THROW_TJ();
if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
THROW("Memory allocation failure");
memset(yuvBuf, 0, yuvSize);
printf("%s %s -> YUV %s ... ", pfStr, buStrLong, subNameLong[subsamp]);
TRY_TJ(tjEncodeYUV3(handle2, srcBuf, w, 0, h, pf, yuvBuf, pad, subsamp,
flags));
tjDestroy(handle2);
if (checkBufYUV(yuvBuf, w, h, subsamp, sf)) printf("Passed.\n");
else printf("FAILED!\n");
printf("YUV %s %s -> JPEG Q%d ... ", subNameLong[subsamp], buStrLong,
jpegQual);
TRY_TJ(tjCompressFromYUV(handle, yuvBuf, w, pad, h, subsamp, dstBuf,
dstSize, jpegQual, flags));
} else {
printf("%s %s -> %s Q%d ... ", pfStr, buStrLong, subNameLong[subsamp],
jpegQual);
TRY_TJ(tjCompress2(handle, srcBuf, w, 0, h, pf, dstBuf, dstSize, subsamp,
jpegQual, flags));
}
snprintf(tempStr, 1024, "%s_enc_%s_%s_%s_Q%d.jpg", basename, pfStr, buStr,
subName[subsamp], jpegQual);
writeJPEG(*dstBuf, *dstSize, tempStr);
printf("Done.\n Result in %s\n", tempStr);
bailout:
free(yuvBuf);
free(srcBuf);
}
static void _decompTest(tjhandle handle, unsigned char *jpegBuf,
unsigned long jpegSize, int w, int h, int pf,
char *basename, int subsamp, int flags,
tjscalingfactor sf)
{
unsigned char *dstBuf = NULL, *yuvBuf = NULL;
int _hdrw = 0, _hdrh = 0, _hdrsubsamp = -1;
int scaledWidth = TJSCALED(w, sf);
int scaledHeight = TJSCALED(h, sf);
unsigned long dstSize = 0;
TRY_TJ(tjDecompressHeader2(handle, jpegBuf, jpegSize, &_hdrw, &_hdrh,
&_hdrsubsamp));
if (_hdrw != w || _hdrh != h || _hdrsubsamp != subsamp)
THROW("Incorrect JPEG header");
dstSize = scaledWidth * scaledHeight * tjPixelSize[pf];
if ((dstBuf = (unsigned char *)malloc(dstSize)) == NULL)
THROW("Memory allocation failure");
memset(dstBuf, 0, dstSize);
if (doYUV) {
unsigned long yuvSize = tjBufSizeYUV2(scaledWidth, pad, scaledHeight,
subsamp);
tjhandle handle2 = tjInitDecompress();
if (!handle2) THROW_TJ();
if ((yuvBuf = (unsigned char *)malloc(yuvSize)) == NULL)
THROW("Memory allocation failure");
memset(yuvBuf, 0, yuvSize);
printf("JPEG -> YUV %s ", subNameLong[subsamp]);
if (sf.num != 1 || sf.denom != 1)
printf("%d/%d ... ", sf.num, sf.denom);
else printf("... ");
TRY_TJ(tjDecompressToYUV2(handle, jpegBuf, jpegSize, yuvBuf, scaledWidth,
pad, scaledHeight, flags));
if (checkBufYUV(yuvBuf, scaledWidth, scaledHeight, subsamp, sf))
printf("Passed.\n");
else printf("FAILED!\n");
printf("YUV %s -> %s %s ... ", subNameLong[subsamp], pixFormatStr[pf],
(flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ");
TRY_TJ(tjDecodeYUV(handle2, yuvBuf, pad, subsamp, dstBuf, scaledWidth, 0,
scaledHeight, pf, flags));
tjDestroy(handle2);
} else {
printf("JPEG -> %s %s ", pixFormatStr[pf],
(flags & TJFLAG_BOTTOMUP) ? "Bottom-Up" : "Top-Down ");
if (sf.num != 1 || sf.denom != 1)
printf("%d/%d ... ", sf.num, sf.denom);
else printf("... ");
TRY_TJ(tjDecompress2(handle, jpegBuf, jpegSize, dstBuf, scaledWidth, 0,
scaledHeight, pf, flags));
}
if (checkBuf(dstBuf, scaledWidth, scaledHeight, pf, subsamp, sf, flags))
printf("Passed.");
else printf("FAILED!");
printf("\n");
bailout:
free(yuvBuf);
free(dstBuf);
}
static void decompTest(tjhandle handle, unsigned char *jpegBuf,
unsigned long jpegSize, int w, int h, int pf,
char *basename, int subsamp, int flags)
{
int i, n = 0;
tjscalingfactor *sf = tjGetScalingFactors(&n);
if (!sf || !n) THROW_TJ();
for (i = 0; i < n; i++) {
if (subsamp == TJSAMP_444 || subsamp == TJSAMP_GRAY ||
(subsamp == TJSAMP_411 && sf[i].num == 1 &&
(sf[i].denom == 2 || sf[i].denom == 1)) ||
(subsamp != TJSAMP_411 && sf[i].num == 1 &&
(sf[i].denom == 4 || sf[i].denom == 2 || sf[i].denom == 1)))
_decompTest(handle, jpegBuf, jpegSize, w, h, pf, basename, subsamp,
flags, sf[i]);
}
bailout:
return;
}
static void doTest(int w, int h, const int *formats, int nformats, int subsamp,
char *basename)
{
tjhandle chandle = NULL, dhandle = NULL;
unsigned char *dstBuf = NULL;
unsigned long size = 0;
int pfi, pf, i;
if (!alloc)
size = tjBufSize(w, h, subsamp);
if (size != 0)
if ((dstBuf = (unsigned char *)tjAlloc(size)) == NULL)
THROW("Memory allocation failure.");
if ((chandle = tjInitCompress()) == NULL ||
(dhandle = tjInitDecompress()) == NULL)
THROW_TJ();
for (pfi = 0; pfi < nformats; pfi++) {
for (i = 0; i < 2; i++) {
int flags = 0;
if (subsamp == TJSAMP_422 || subsamp == TJSAMP_420 ||
subsamp == TJSAMP_440 || subsamp == TJSAMP_411)
flags |= TJFLAG_FASTUPSAMPLE;
if (i == 1) flags |= TJFLAG_BOTTOMUP;
pf = formats[pfi];
compTest(chandle, &dstBuf, &size, w, h, pf, basename, subsamp, 100,
flags);
decompTest(dhandle, dstBuf, size, w, h, pf, basename, subsamp, flags);
if (pf >= TJPF_RGBX && pf <= TJPF_XRGB) {
printf("\n");
decompTest(dhandle, dstBuf, size, w, h, pf + (TJPF_RGBA - TJPF_RGBX),
basename, subsamp, flags);
}
printf("\n");
}
}
printf("--------------------\n\n");
bailout:
if (chandle) tjDestroy(chandle);
if (dhandle) tjDestroy(dhandle);
tjFree(dstBuf);
}
#if SIZEOF_SIZE_T == 8
#define CHECKSIZE(function) { \
if ((unsigned long long)size < (unsigned long long)0xFFFFFFFF) \
THROW(#function " overflow"); \
}
#else
#define CHECKSIZE(function) { \
if (size != (unsigned long)(-1) || \
!strcmp(tjGetErrorStr2(NULL), "No error")) \
THROW(#function " overflow"); \
}
#endif
static void overflowTest(void)
{
/* Ensure that the various buffer size functions don't overflow */
unsigned long size;
size = tjBufSize(26755, 26755, TJSAMP_444);
CHECKSIZE(tjBufSize());
size = TJBUFSIZE(26755, 26755);
CHECKSIZE(TJBUFSIZE());
size = tjBufSizeYUV2(37838, 1, 37838, TJSAMP_444);
CHECKSIZE(tjBufSizeYUV2());
size = TJBUFSIZEYUV(37838, 37838, TJSAMP_444);
CHECKSIZE(TJBUFSIZEYUV());
size = tjBufSizeYUV(37838, 37838, TJSAMP_444);
CHECKSIZE(tjBufSizeYUV());
size = tjPlaneSizeYUV(0, 65536, 0, 65536, TJSAMP_444);
CHECKSIZE(tjPlaneSizeYUV());
bailout:
return;
}
static void bufSizeTest(void)
{
int w, h, i, subsamp;
unsigned char *srcBuf = NULL, *dstBuf = NULL;
tjhandle handle = NULL;
unsigned long dstSize = 0;
if ((handle = tjInitCompress()) == NULL) THROW_TJ();
printf("Buffer size regression test\n");
for (subsamp = 0; subsamp < TJ_NUMSAMP; subsamp++) {
for (w = 1; w < 48; w++) {
int maxh = (w == 1) ? 2048 : 48;
for (h = 1; h < maxh; h++) {
if (h % 100 == 0) printf("%.4d x %.4d\b\b\b\b\b\b\b\b\b\b\b", w, h);
if ((srcBuf = (unsigned char *)malloc(w * h * 4)) == NULL)
THROW("Memory allocation failure");
if (!alloc || doYUV) {
if (doYUV) dstSize = tjBufSizeYUV2(w, pad, h, subsamp);
else dstSize = tjBufSize(w, h, subsamp);
if ((dstBuf = (unsigned char *)tjAlloc(dstSize)) == NULL)
THROW("Memory allocation failure");
}
for (i = 0; i < w * h * 4; i++) {
if (random() < RAND_MAX / 2) srcBuf[i] = 0;
else srcBuf[i] = 255;
}
if (doYUV) {
TRY_TJ(tjEncodeYUV3(handle, srcBuf, w, 0, h, TJPF_BGRX, dstBuf, pad,
subsamp, 0));
} else {
TRY_TJ(tjCompress2(handle, srcBuf, w, 0, h, TJPF_BGRX, &dstBuf,
&dstSize, subsamp, 100,
alloc ? 0 : TJFLAG_NOREALLOC));
}
free(srcBuf); srcBuf = NULL;
if (!alloc || doYUV) {
tjFree(dstBuf); dstBuf = NULL;
}
if ((srcBuf = (unsigned char *)malloc(h * w * 4)) == NULL)
THROW("Memory allocation failure");
if (!alloc || doYUV) {
if (doYUV) dstSize = tjBufSizeYUV2(h, pad, w, subsamp);
else dstSize = tjBufSize(h, w, subsamp);
if ((dstBuf = (unsigned char *)tjAlloc(dstSize)) == NULL)
THROW("Memory allocation failure");
}
for (i = 0; i < h * w * 4; i++) {
if (random() < RAND_MAX / 2) srcBuf[i] = 0;
else srcBuf[i] = 255;
}
if (doYUV) {
TRY_TJ(tjEncodeYUV3(handle, srcBuf, h, 0, w, TJPF_BGRX, dstBuf, pad,
subsamp, 0));
} else {
TRY_TJ(tjCompress2(handle, srcBuf, h, 0, w, TJPF_BGRX, &dstBuf,
&dstSize, subsamp, 100,
alloc ? 0 : TJFLAG_NOREALLOC));
}
free(srcBuf); srcBuf = NULL;
if (!alloc || doYUV) {
tjFree(dstBuf); dstBuf = NULL;
}
}
}
}
printf("Done. \n");
bailout:
free(srcBuf);
tjFree(dstBuf);
if (handle) tjDestroy(handle);
}
static void initBitmap(unsigned char *buf, int width, int pitch, int height,
int pf, int flags)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int ps = tjPixelSize[pf];
int i, j;
for (j = 0; j < height; j++) {
int row = (flags & TJFLAG_BOTTOMUP) ? height - j - 1 : j;
for (i = 0; i < width; i++) {
unsigned char r = (i * 256 / width) % 256;
unsigned char g = (j * 256 / height) % 256;
unsigned char b = (j * 256 / height + i * 256 / width) % 256;
memset(&buf[row * pitch + i * ps], 0, ps);
if (pf == TJPF_GRAY) buf[row * pitch + i * ps] = b;
else if (pf == TJPF_CMYK)
rgb_to_cmyk(r, g, b, &buf[row * pitch + i * ps + 0],
&buf[row * pitch + i * ps + 1],
&buf[row * pitch + i * ps + 2],
&buf[row * pitch + i * ps + 3]);
else {
buf[row * pitch + i * ps + roffset] = r;
buf[row * pitch + i * ps + goffset] = g;
buf[row * pitch + i * ps + boffset] = b;
}
}
}
}
static int cmpBitmap(unsigned char *buf, int width, int pitch, int height,
int pf, int flags, int gray2rgb)
{
int roffset = tjRedOffset[pf];
int goffset = tjGreenOffset[pf];
int boffset = tjBlueOffset[pf];
int aoffset = tjAlphaOffset[pf];
int ps = tjPixelSize[pf];
int i, j;
for (j = 0; j < height; j++) {
int row = (flags & TJFLAG_BOTTOMUP) ? height - j - 1 : j;
for (i = 0; i < width; i++) {
unsigned char r = (i * 256 / width) % 256;
unsigned char g = (j * 256 / height) % 256;
unsigned char b = (j * 256 / height + i * 256 / width) % 256;
if (pf == TJPF_GRAY) {
if (buf[row * pitch + i * ps] != b)
return 0;
} else if (pf == TJPF_CMYK) {
unsigned char rf, gf, bf;
cmyk_to_rgb(buf[row * pitch + i * ps + 0],
buf[row * pitch + i * ps + 1],
buf[row * pitch + i * ps + 2],
buf[row * pitch + i * ps + 3], &rf, &gf, &bf);
if (gray2rgb) {
if (rf != b || gf != b || bf != b)
return 0;
} else if (rf != r || gf != g || bf != b) return 0;
} else {
if (gray2rgb) {
if (buf[row * pitch + i * ps + roffset] != b ||
buf[row * pitch + i * ps + goffset] != b ||
buf[row * pitch + i * ps + boffset] != b)
return 0;
} else if (buf[row * pitch + i * ps + roffset] != r ||
buf[row * pitch + i * ps + goffset] != g ||
buf[row * pitch + i * ps + boffset] != b)
return 0;
if (aoffset >= 0 && buf[row * pitch + i * ps + aoffset] != 0xFF)
return 0;
}
}
}
return 1;
}
static int doBmpTest(const char *ext, int width, int align, int height, int pf,
int flags)
{
char filename[80], *md5sum, md5buf[65];
int ps = tjPixelSize[pf], pitch = PAD(width * ps, align), loadWidth = 0,
loadHeight = 0, retval = 0, pixelFormat = pf;
unsigned char *buf = NULL;
char *md5ref;
if (pf == TJPF_GRAY) {
md5ref = !strcasecmp(ext, "ppm") ? "112c682e82ce5de1cca089e20d60000b" :
"51976530acf75f02beddf5d21149101d";
} else {
md5ref = !strcasecmp(ext, "ppm") ? "c0c9f772b464d1896326883a5c79c545" :
"6d659071b9bfcdee2def22cb58ddadca";
}
if ((buf = (unsigned char *)tjAlloc(pitch * height)) == NULL)
THROW("Could not allocate memory");
initBitmap(buf, width, pitch, height, pf, flags);
snprintf(filename, 80, "test_bmp_%s_%d_%s.%s", pixFormatStr[pf], align,
(flags & TJFLAG_BOTTOMUP) ? "bu" : "td", ext);
TRY_TJ(tjSaveImage(filename, buf, width, pitch, height, pf, flags));
md5sum = MD5File(filename, md5buf);
if (strcasecmp(md5sum, md5ref))
THROW_MD5(filename, md5sum, md5ref);
tjFree(buf); buf = NULL;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
flags)) == NULL)
THROW_TJ();
if (width != loadWidth || height != loadHeight) {
printf("\n Image dimensions of %s are bogus\n", filename);
retval = -1; goto bailout;
}
if (!cmpBitmap(buf, width, pitch, height, pf, flags, 0)) {
printf("\n Pixel data in %s is bogus\n", filename);
retval = -1; goto bailout;
}
if (pf == TJPF_GRAY) {
tjFree(buf); buf = NULL;
pf = TJPF_XBGR;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
flags)) == NULL)
THROW_TJ();
pitch = PAD(width * tjPixelSize[pf], align);
if (!cmpBitmap(buf, width, pitch, height, pf, flags, 1)) {
printf("\n Converting %s to RGB failed\n", filename);
retval = -1; goto bailout;
}
tjFree(buf); buf = NULL;
pf = TJPF_CMYK;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight, &pf,
flags)) == NULL)
THROW_TJ();
pitch = PAD(width * tjPixelSize[pf], align);
if (!cmpBitmap(buf, width, pitch, height, pf, flags, 1)) {
printf("\n Converting %s to CMYK failed\n", filename);
retval = -1; goto bailout;
}
}
/* Verify that tjLoadImage() returns the proper "preferred" pixel format for
the file type. */
tjFree(buf); buf = NULL;
pf = pixelFormat;
pixelFormat = TJPF_UNKNOWN;
if ((buf = tjLoadImage(filename, &loadWidth, align, &loadHeight,
&pixelFormat, flags)) == NULL)
THROW_TJ();
if ((pf == TJPF_GRAY && pixelFormat != TJPF_GRAY) ||
(pf != TJPF_GRAY && !strcasecmp(ext, "bmp") &&
pixelFormat != TJPF_BGR) ||
(pf != TJPF_GRAY && !strcasecmp(ext, "ppm") &&
pixelFormat != TJPF_RGB)) {
printf("\n tjLoadImage() returned unexpected pixel format: %s\n",
pixFormatStr[pixelFormat]);
retval = -1;
}
unlink(filename);
bailout:
tjFree(buf);
if (exitStatus < 0) return exitStatus;
return retval;
}
static int bmpTest(void)
{
int align, width = 35, height = 39, format;
for (align = 1; align <= 8; align *= 2) {
for (format = 0; format < TJ_NUMPF; format++) {
printf("%s Top-Down BMP (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("bmp", width, align, height, format, 0) == -1)
return -1;
printf("OK.\n");
printf("%s Top-Down PPM (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("ppm", width, align, height, format,
TJFLAG_BOTTOMUP) == -1)
return -1;
printf("OK.\n");
printf("%s Bottom-Up BMP (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("bmp", width, align, height, format, 0) == -1)
return -1;
printf("OK.\n");
printf("%s Bottom-Up PPM (row alignment = %d bytes) ... ",
pixFormatStr[format], align);
if (doBmpTest("ppm", width, align, height, format,
TJFLAG_BOTTOMUP) == -1)
return -1;
printf("OK.\n");
}
}
return 0;
}
int main(int argc, char *argv[])
{
int i, num4bf = 5;
#ifdef _WIN32
srand((unsigned int)time(NULL));
#endif
if (argc > 1) {
for (i = 1; i < argc; i++) {
if (!strcasecmp(argv[i], "-yuv")) doYUV = 1;
else if (!strcasecmp(argv[i], "-noyuvpad")) pad = 1;
else if (!strcasecmp(argv[i], "-alloc")) alloc = 1;
else if (!strcasecmp(argv[i], "-bmp")) return bmpTest();
else usage(argv[0]);
}
}
if (alloc) printf("Testing automatic buffer allocation\n");
if (doYUV) num4bf = 4;
overflowTest();
doTest(35, 39, _3byteFormats, 2, TJSAMP_444, "test");
doTest(39, 41, _4byteFormats, num4bf, TJSAMP_444, "test");
doTest(41, 35, _3byteFormats, 2, TJSAMP_422, "test");
doTest(35, 39, _4byteFormats, num4bf, TJSAMP_422, "test");
doTest(39, 41, _3byteFormats, 2, TJSAMP_420, "test");
doTest(41, 35, _4byteFormats, num4bf, TJSAMP_420, "test");
doTest(35, 39, _3byteFormats, 2, TJSAMP_440, "test");
doTest(39, 41, _4byteFormats, num4bf, TJSAMP_440, "test");
doTest(41, 35, _3byteFormats, 2, TJSAMP_411, "test");
doTest(35, 39, _4byteFormats, num4bf, TJSAMP_411, "test");
doTest(39, 41, _onlyGray, 1, TJSAMP_GRAY, "test");
doTest(41, 35, _3byteFormats, 2, TJSAMP_GRAY, "test");
doTest(35, 39, _4byteFormats, 4, TJSAMP_GRAY, "test");
bufSizeTest();
if (doYUV) {
printf("\n--------------------\n\n");
doTest(48, 48, _onlyRGB, 1, TJSAMP_444, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_422, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_420, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_440, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_411, "test_yuv0");
doTest(48, 48, _onlyRGB, 1, TJSAMP_GRAY, "test_yuv0");
doTest(48, 48, _onlyGray, 1, TJSAMP_GRAY, "test_yuv0");
}
return exitStatus;
}