int main(int argc,
char **argv)
{
char *filein, *str, *prestring, *outprotos, *protostr;
const char *spacestr = " ";
char buf[L_BUF_SIZE];
l_uint8 *allheaders;
l_int32 i, maxindex, in_line, nflags, protos_added, firstfile, len, ret;
size_t nbytes;
L_BYTEA *ba, *ba2;
SARRAY *sa, *safirst;
static char mainName[] = "xtractprotos";
if (argc == 1) {
fprintf(stderr,
"xtractprotos [-prestring=<string>] [-protos=<where>] "
"[list of C files]\n"
"where the prestring is prepended to each prototype, and \n"
"protos can be either 'inline' or the name of an output "
"prototype file\n");
return 1;
}
/* ---------------------------------------------------------------- */
/* Parse input flags and find prestring and outprotos, if requested */
/* ---------------------------------------------------------------- */
prestring = outprotos = NULL;
in_line = FALSE;
nflags = 0;
maxindex = L_MIN(3, argc);
for (i = 1; i < maxindex; i++) {
if (argv[i][0] == '-') {
if (!strncmp(argv[i], "-prestring", 10)) {
nflags++;
ret = sscanf(argv[i] + 1, "prestring=%s", buf);
if (ret != 1) {
fprintf(stderr, "parse failure for prestring\n");
return 1;
}
if ((len = strlen(buf)) > L_BUF_SIZE - 3) {
L_WARNING("prestring too large; omitting!\n", mainName);
} else {
buf[len] = ' ';
buf[len + 1] = '\0';
prestring = stringNew(buf);
}
} else if (!strncmp(argv[i], "-protos", 7)) {
nflags++;
ret = sscanf(argv[i] + 1, "protos=%s", buf);
if (ret != 1) {
fprintf(stderr, "parse failure for protos\n");
return 1;
}
outprotos = stringNew(buf);
if (!strncmp(outprotos, "inline", 7))
in_line = TRUE;
}
}
}
if (argc - nflags < 2) {
fprintf(stderr, "no files specified!\n");
return 1;
}
/* ---------------------------------------------------------------- */
/* Generate the prototype string */
/* ---------------------------------------------------------------- */
ba = l_byteaCreate(500);
/* First the extern C head */
sa = sarrayCreate(0);
sarrayAddString(sa, (char *)"/*", 1);
snprintf(buf, L_BUF_SIZE,
" * These prototypes were autogen'd by xtractprotos, v. %s",
version);
sarrayAddString(sa, buf, 1);
sarrayAddString(sa, (char *)" */", 1);
sarrayAddString(sa, (char *)"#ifdef __cplusplus", 1);
sarrayAddString(sa, (char *)"extern \"C\" {", 1);
sarrayAddString(sa, (char *)"#endif /* __cplusplus */\n", 1);
str = sarrayToString(sa, 1);
l_byteaAppendString(ba, str);
lept_free(str);
sarrayDestroy(&sa);
/* Then the prototypes */
firstfile = 1 + nflags;
protos_added = FALSE;
for (i = firstfile; i < argc; i++) {
filein = argv[i];
len = strlen(filein);
if (filein[len - 1] == 'h') /* skip .h files */
continue;
snprintf(buf, L_BUF_SIZE, "cpp -ansi -DNO_PROTOS %s %s",
filein, tempfile);
ret = system(buf);
if (ret) {
fprintf(stderr, "cpp failure for %s; continuing\n", filein);
continue;
}
if ((str = parseForProtos(tempfile, prestring)) == NULL) {
fprintf(stderr, "parse failure for %s; continuing\n", filein);
continue;
}
if (strlen(str) > 1) { /* strlen(str) == 1 is a file without protos */
l_byteaAppendString(ba, str);
protos_added = TRUE;
}
lept_free(str);
}
/* Lastly the extern C tail */
sa = sarrayCreate(0);
sarrayAddString(sa, (char *)"\n#ifdef __cplusplus", 1);
sarrayAddString(sa, (char *)"}", 1);
sarrayAddString(sa, (char *)"#endif /* __cplusplus */", 1);
str = sarrayToString(sa, 1);
l_byteaAppendString(ba, str);
lept_free(str);
sarrayDestroy(&sa);
protostr = (char *)l_byteaCopyData(ba, &nbytes);
l_byteaDestroy(&ba);
/* ---------------------------------------------------------------- */
/* Generate the output */
/* ---------------------------------------------------------------- */
if (!outprotos) { /* just write to stdout */
fprintf(stderr, "%s\n", protostr);
lept_free(protostr);
return 0;
}
/* If no protos were found, do nothing further */
if (!protos_added) {
fprintf(stderr, "No protos found\n");
lept_free(protostr);
return 1;
}
/* Make the output files */
ba = l_byteaInitFromFile("allheaders_top.txt");
if (!in_line) {
snprintf(buf, sizeof(buf), "#include \"%s\"\n", outprotos);
l_byteaAppendString(ba, buf);
l_binaryWrite(outprotos, "w", protostr, nbytes);
} else {
l_byteaAppendString(ba, protostr);
}
ba2 = l_byteaInitFromFile("allheaders_bot.txt");
l_byteaJoin(ba, &ba2);
l_byteaWrite("allheaders.h", ba, 0, 0);
l_byteaDestroy(&ba);
lept_free(protostr);
return 0;
}
int main(int argc,
char **argv)
{
char *str;
l_uint8 *data1, *data2;
l_int32 i, n, same1, same2;
size_t size1, size2, slice, total, start, end;
FILE *fp;
L_DNA *da;
SARRAY *sa;
L_BYTEA *lba1, *lba2, *lba3, *lba4, *lba5;
static char mainName[] = "byteatest";
if (argc != 1)
return ERROR_INT("syntax: byteatest", mainName, 1);
lept_mkdir("bytea");
/* Test basic init, join and split */
lba1 = l_byteaInitFromFile("feyn.tif");
lba2 = l_byteaInitFromFile("test24.jpg");
size1 = l_byteaGetSize(lba1);
size2 = l_byteaGetSize(lba2);
l_byteaJoin(lba1, &lba2);
lba3 = l_byteaInitFromMem(lba1->data, size1);
lba4 = l_byteaInitFromMem(lba1->data + size1, size2);
/* Split by hand */
l_binaryWrite("/tmp/bytea/junk1.dat", "w", lba3->data, lba3->size);
l_binaryWrite("/tmp/bytea/junk2.dat", "w", lba4->data, lba4->size);
filesAreIdentical("feyn.tif", "/tmp/bytea/junk1.dat", &same1);
filesAreIdentical("test24.jpg", "/tmp/bytea/junk2.dat", &same2);
if (same1 && same2)
fprintf(stderr, "OK for join file\n");
else
fprintf(stderr, "Error: files are different!\n");
/* Split by function */
l_byteaSplit(lba1, size1, &lba5);
l_binaryWrite("/tmp/bytea/junk3.dat", "w", lba1->data, lba1->size);
l_binaryWrite("/tmp/bytea/junk4.dat", "w", lba5->data, lba5->size);
filesAreIdentical("feyn.tif", "/tmp/bytea/junk3.dat", &same1);
filesAreIdentical("test24.jpg", "/tmp/bytea/junk4.dat", &same2);
if (same1 && same2)
fprintf(stderr, "OK for split file\n");
else
fprintf(stderr, "Error: files are different!\n");
l_byteaDestroy(&lba1);
l_byteaDestroy(&lba2);
l_byteaDestroy(&lba3);
l_byteaDestroy(&lba4);
l_byteaDestroy(&lba5);
/* Test appending with strings */
data1 = l_binaryRead("kernel_reg.c", &size1);
sa = sarrayCreateLinesFromString((char *)data1, 1);
lba1 = l_byteaCreate(0);
n = sarrayGetCount(sa);
for (i = 0; i < n; i++) {
str = sarrayGetString(sa, i, L_NOCOPY);
l_byteaAppendString(lba1, str);
l_byteaAppendString(lba1, (char *)"\n");
}
data2 = l_byteaGetData(lba1, &size2);
l_binaryWrite("/tmp/bytea/junk5.dat", "w", data2, size2);
filesAreIdentical("kernel_reg.c", "/tmp/bytea/junk5.dat", &same1);
if (same1)
fprintf(stderr, "OK for appended string data\n");
else
fprintf(stderr, "Error: appended string data is different!\n");
lept_free(data1);
sarrayDestroy(&sa);
l_byteaDestroy(&lba1);
/* Test appending with binary data */
slice = 1000;
total = nbytesInFile("breviar-a38.jp2");
lba1 = l_byteaCreate(100);
n = 1 + total / slice;
fprintf(stderr, "******************************************************\n");
fprintf(stderr, "* Testing error checking: ignore two reported errors *\n");
for (i = 0, start = 0; i <= n; i++, start += slice) {
data1 = l_binaryReadSelect("breviar-a38.jp2", start, slice, &size1);
l_byteaAppendData(lba1, data1, size1);
lept_free(data1);
}
fprintf(stderr, "******************************************************\n");
data2 = l_byteaGetData(lba1, &size2);
l_binaryWrite("/tmp/bytea/junk6.dat", "w", data2, size2);
filesAreIdentical("breviar-a38.jp2", "/tmp/bytea/junk6.dat", &same1);
if (same1)
fprintf(stderr, "OK for appended binary data\n");
else
fprintf(stderr, "Error: appended binary data is different!\n");
l_byteaDestroy(&lba1);
/* Test search */
convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "/tmp/bytea/junk7.pdf",
0, 0, 100, NULL, NULL, 0);
lba1 = l_byteaInitFromFile("/tmp/bytea/junk7.pdf");
l_byteaFindEachSequence(lba1, (l_uint8 *)" 0 obj\n", 7, &da);
/* l_dnaWriteStream(stderr, da); */
n = l_dnaGetCount(da);
if (n == 6)
fprintf(stderr, "OK for search: found 6 instances\n");
else
fprintf(stderr, "Error in search: found %d instances, not 6\n", n);
l_byteaDestroy(&lba1);
l_dnaDestroy(&da);
/* Test write to file */
lba1 = l_byteaInitFromFile("feyn.tif");
fp = lept_fopen("/tmp/bytea/junk8.dat", "wb");
size1 = l_byteaGetSize(lba1);
for (start = 0; start < size1; start += 1000) {
end = L_MIN(start + 1000 - 1, size1 - 1);
l_byteaWriteStream(fp, lba1, start, end);
}
lept_fclose(fp);
filesAreIdentical("feyn.tif", "/tmp/bytea/junk8.dat", &same1);
if (same1)
fprintf(stderr, "OK for written binary data\n");
else
fprintf(stderr, "Error: written binary data is different!\n");
l_byteaDestroy(&lba1);
return 0;
}
int main(int argc,
char **argv)
{
char buffer[512];
char *tempfile1, *tempfile2;
l_uint8 *data;
l_int32 i, j, w, h, seq, ret, same;
size_t nbytes;
const char *title;
BOX *box;
BOXA *boxa1, *boxa2;
L_BYTEA *ba;
L_PDF_DATA *lpd;
PIX *pix1, *pix2, *pix3, *pix4, *pix5, *pix6;
PIX *pixs, *pixt, *pixg, *pixgc, *pixc;
static char mainName[] = "pdfiotest";
if (argc != 1)
return ERROR_INT("syntax: pdfiotest", mainName, 1);
l_pdfSetDateAndVersion(0);
lept_mkdir("lept/pdf");
#if 1
/* --------------- Single image tests ------------------- */
fprintf(stderr, "\n*** Writing single images as pdf files\n");
convertToPdf("weasel2.4c.png", L_FLATE_ENCODE, 0, "/tmp/lept/pdf/file01.pdf",
0, 0, 72, "weasel2.4c.png", NULL, 0);
convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "/tmp/lept/pdf/file02.pdf",
0, 0, 72, "test24.jpg", NULL, 0);
convertToPdf("feyn.tif", L_G4_ENCODE, 0, "/tmp/lept/pdf/file03.pdf",
0, 0, 300, "feyn.tif", NULL, 0);
pixs = pixRead("feyn.tif");
pixConvertToPdf(pixs, L_G4_ENCODE, 0, "/tmp/lept/pdf/file04.pdf", 0, 0, 300,
"feyn.tif", NULL, 0);
pixDestroy(&pixs);
pixs = pixRead("test24.jpg");
pixConvertToPdf(pixs, L_JPEG_ENCODE, 5, "/tmp/lept/pdf/file05.pdf",
0, 0, 72, "test24.jpg", NULL, 0);
pixDestroy(&pixs);
pixs = pixRead("feyn.tif");
pixt = pixScaleToGray2(pixs);
pixWrite("/tmp/lept/pdf/feyn8.png", pixt, IFF_PNG);
convertToPdf("/tmp/lept/pdf/feyn8.png", L_JPEG_ENCODE, 0,
"/tmp/lept/pdf/file06.pdf", 0, 0, 150, "feyn8.png", NULL, 0);
pixDestroy(&pixs);
pixDestroy(&pixt);
convertToPdf("weasel4.16g.png", L_FLATE_ENCODE, 0,
"/tmp/lept/pdf/file07.pdf", 0, 0, 30,
"weasel4.16g.png", NULL, 0);
pixs = pixRead("test24.jpg");
pixg = pixConvertTo8(pixs, 0);
box = boxCreate(100, 100, 100, 100);
pixc = pixClipRectangle(pixs, box, NULL);
pixgc = pixClipRectangle(pixg, box, NULL);
pixWrite("/tmp/lept/pdf/pix32.jpg", pixc, IFF_JFIF_JPEG);
pixWrite("/tmp/lept/pdf/pix8.jpg", pixgc, IFF_JFIF_JPEG);
convertToPdf("/tmp/lept/pdf/pix32.jpg", L_FLATE_ENCODE, 0,
"/tmp/lept/pdf/file08.pdf", 0, 0, 72, "pix32.jpg", NULL, 0);
convertToPdf("/tmp/lept/pdf/pix8.jpg", L_FLATE_ENCODE, 0,
"/tmp/lept/pdf/file09.pdf", 0, 0, 72, "pix8.jpg", NULL, 0);
pixDestroy(&pixs);
pixDestroy(&pixg);
pixDestroy(&pixc);
pixDestroy(&pixgc);
boxDestroy(&box);
#endif
#if 1
/* --------------- Multiple image tests ------------------- */
fprintf(stderr, "\n*** Writing multiple images as single page pdf files\n");
pix1 = pixRead("feyn-fract.tif");
pix2 = pixRead("weasel8.240c.png");
/* l_pdfSetDateAndVersion(0); */
/* First, write the 1 bpp image through the mask onto the weasels */
for (i = 0; i < 5; i++) {
for (j = 0; j < 10; j++) {
seq = (i == 0 && j == 0) ? L_FIRST_IMAGE : L_NEXT_IMAGE;
title = (i == 0 && j == 0) ? "feyn-fract.tif" : NULL;
pixConvertToPdf(pix2, L_FLATE_ENCODE, 0, NULL, 100 * j,
100 * i, 70, title, &lpd, seq);
}
}
pixConvertToPdf(pix1, L_G4_ENCODE, 0, "/tmp/lept/pdf/file10.pdf", 0, 0, 80,
NULL, &lpd, L_LAST_IMAGE);
/* Now, write the 1 bpp image over the weasels */
l_pdfSetG4ImageMask(0);
for (i = 0; i < 5; i++) {
for (j = 0; j < 10; j++) {
seq = (i == 0 && j == 0) ? L_FIRST_IMAGE : L_NEXT_IMAGE;
title = (i == 0 && j == 0) ? "feyn-fract.tif" : NULL;
pixConvertToPdf(pix2, L_FLATE_ENCODE, 0, NULL, 100 * j,
100 * i, 70, title, &lpd, seq);
}
}
pixConvertToPdf(pix1, L_G4_ENCODE, 0, "/tmp/lept/pdf/file11.pdf", 0, 0, 80,
NULL, &lpd, L_LAST_IMAGE);
l_pdfSetG4ImageMask(1);
pixDestroy(&pix1);
pixDestroy(&pix2);
#endif
#if 1
/* -------- pdf convert segmented with no image regions -------- */
fprintf(stderr, "\n*** Writing segmented images without image regions\n");
pix1 = pixRead("rabi.png");
pix2 = pixScaleToGray2(pix1);
pixWrite("/tmp/lept/pdf/rabi8.jpg", pix2, IFF_JFIF_JPEG);
pix3 = pixThresholdTo4bpp(pix2, 16, 1);
pixWrite("/tmp/lept/pdf/rabi4.png", pix3, IFF_PNG);
pixDestroy(&pix1);
pixDestroy(&pix2);
pixDestroy(&pix3);
/* 1 bpp input */
convertToPdfSegmented("rabi.png", 300, L_G4_ENCODE, 128, NULL, 0, 0,
NULL, "/tmp/lept/pdf/file12.pdf");
convertToPdfSegmented("rabi.png", 300, L_JPEG_ENCODE, 128, NULL, 0, 0,
NULL, "/tmp/lept/pdf/file13.pdf");
convertToPdfSegmented("rabi.png", 300, L_FLATE_ENCODE, 128, NULL, 0, 0,
NULL, "/tmp/lept/pdf/file14.pdf");
/* 8 bpp input, no cmap */
convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_G4_ENCODE, 128,
NULL, 0, 0, NULL, "/tmp/lept/pdf/file15.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_JPEG_ENCODE, 128,
NULL, 0, 0, NULL, "/tmp/lept/pdf/file16.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_FLATE_ENCODE, 128,
NULL, 0, 0, NULL, "/tmp/lept/pdf/file17.pdf");
/* 4 bpp input, cmap */
convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_G4_ENCODE, 128,
NULL, 0, 0, NULL, "/tmp/lept/pdf/file18.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_JPEG_ENCODE, 128,
NULL, 0, 0, NULL, "/tmp/lept/pdf/file19.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_FLATE_ENCODE, 128,
NULL, 0, 0, NULL, "/tmp/lept/pdf/file20.pdf");
#endif
#if 1
/* ---------- pdf convert segmented with image regions ---------- */
fprintf(stderr, "\n*** Writing segmented images with image regions\n");
/* Get the image region(s) for rabi.png. There are two
* small bogus regions at the top, but we'll keep them for
* the demonstration. */
pix1 = pixRead("rabi.png");
pixSetResolution(pix1, 300, 300);
pixGetDimensions(pix1, &w, &h, NULL);
pix2 = pixGenerateHalftoneMask(pix1, NULL, NULL, NULL);
pix3 = pixMorphSequence(pix2, "c20.1 + c1.20", 0);
boxa1 = pixConnComp(pix3, NULL, 8);
boxa2 = boxaTransform(boxa1, 0, 0, 0.5, 0.5);
pixDestroy(&pix1);
pixDestroy(&pix2);
pixDestroy(&pix3);
/* 1 bpp input */
convertToPdfSegmented("rabi.png", 300, L_G4_ENCODE, 128, boxa1,
0, 0.25, NULL, "/tmp/lept/pdf/file21.pdf");
convertToPdfSegmented("rabi.png", 300, L_JPEG_ENCODE, 128, boxa1,
0, 0.25, NULL, "/tmp/lept/pdf/file22.pdf");
convertToPdfSegmented("rabi.png", 300, L_FLATE_ENCODE, 128, boxa1,
0, 0.25, NULL, "/tmp/lept/pdf/file23.pdf");
/* 8 bpp input, no cmap */
convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_G4_ENCODE, 128,
boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file24.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_JPEG_ENCODE, 128,
boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file25.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi8.jpg", 150, L_FLATE_ENCODE, 128,
boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file26.pdf");
/* 4 bpp input, cmap */
convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_G4_ENCODE, 128,
boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file27.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_JPEG_ENCODE, 128,
boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file28.pdf");
convertToPdfSegmented("/tmp/lept/pdf/rabi4.png", 150, L_FLATE_ENCODE, 128,
boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file29.pdf");
/* 4 bpp input, cmap, data output */
data = NULL;
convertToPdfDataSegmented("/tmp/lept/pdf/rabi4.png", 150, L_G4_ENCODE,
128, boxa2, 0, 0.5, NULL, &data, &nbytes);
l_binaryWrite("/tmp/lept/pdf/file30.pdf", "w", data, nbytes);
lept_free(data);
convertToPdfDataSegmented("/tmp/lept/pdf/rabi4.png", 150, L_JPEG_ENCODE,
128, boxa2, 0, 0.5, NULL, &data, &nbytes);
l_binaryWrite("/tmp/lept/pdf/file31.pdf", "w", data, nbytes);
lept_free(data);
convertToPdfDataSegmented("/tmp/lept/pdf/rabi4.png", 150, L_FLATE_ENCODE,
128, boxa2, 0, 0.5, NULL, &data, &nbytes);
l_binaryWrite("/tmp/lept/pdf/file32.pdf", "w", data, nbytes);
lept_free(data);
boxaDestroy(&boxa1);
boxaDestroy(&boxa2);
#endif
#if 1
/* -------- pdf convert segmented from color image -------- */
fprintf(stderr, "\n*** Writing color segmented images\n");
pix1 = pixRead("candelabrum.011.jpg");
pix2 = pixScale(pix1, 3.0, 3.0);
pixWrite("/tmp/lept/pdf/candelabrum3.jpg", pix2, IFF_JFIF_JPEG);
GetImageMask(pix2, 200, &boxa1, "/tmp/lept/pdf/seg1.jpg");
convertToPdfSegmented("/tmp/lept/pdf/candelabrum3.jpg", 200, L_G4_ENCODE,
100, boxa1, 0, 0.25, NULL,
"/tmp/lept/pdf/file33.pdf");
convertToPdfSegmented("/tmp/lept/pdf/candelabrum3.jpg", 200, L_JPEG_ENCODE,
100, boxa1, 0, 0.25, NULL,
"/tmp/lept/pdf/file34.pdf");
convertToPdfSegmented("/tmp/lept/pdf/candelabrum3.jpg", 200, L_FLATE_ENCODE,
100, boxa1, 0, 0.25, NULL,
"/tmp/lept/pdf/file35.pdf");
pixDestroy(&pix1);
pixDestroy(&pix2);
boxaDestroy(&boxa1);
pix1 = pixRead("lion-page.00016.jpg");
pix2 = pixScale(pix1, 3.0, 3.0);
pixWrite("/tmp/lept/pdf/lion16.jpg", pix2, IFF_JFIF_JPEG);
pix3 = pixRead("lion-mask.00016.tif");
boxa1 = pixConnComp(pix3, NULL, 8);
boxa2 = boxaTransform(boxa1, 0, 0, 3.0, 3.0);
convertToPdfSegmented("/tmp/lept/pdf/lion16.jpg", 200, L_G4_ENCODE,
190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file36.pdf");
convertToPdfSegmented("/tmp/lept/pdf/lion16.jpg", 200, L_JPEG_ENCODE,
190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file37.pdf");
convertToPdfSegmented("/tmp/lept/pdf/lion16.jpg", 200, L_FLATE_ENCODE,
190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file38.pdf");
/* Quantize the non-image part and flate encode.
* This is useful because it results in a smaller file than
* when you flate-encode the un-quantized non-image regions. */
pix4 = pixScale(pix3, 3.0, 3.0); /* higher res mask, for combining */
pix5 = QuantizeNonImageRegion(pix2, pix4, 12);
pixWrite("/tmp/lept/pdf/lion16-quant.png", pix5, IFF_PNG);
convertToPdfSegmented("/tmp/lept/pdf/lion16-quant.png", 200, L_FLATE_ENCODE,
190, boxa2, 0, 0.5, NULL, "/tmp/lept/pdf/file39.pdf");
pixDestroy(&pix1);
pixDestroy(&pix2);
pixDestroy(&pix3);
pixDestroy(&pix4);
pixDestroy(&pix5);
boxaDestroy(&boxa1);
boxaDestroy(&boxa2);
#endif
#if 1
/* ------------------ Test multipage pdf generation ----------------- */
fprintf(stderr, "\n*** Writing multipage pdfs from single page pdfs\n");
/* Generate a multi-page pdf from all these files */
startTimer();
concatenatePdf("/tmp/lept/pdf", "file", "/tmp/lept/pdf/cat_lept.pdf");
fprintf(stderr,
"All files have been concatenated: /tmp/lept/pdf/cat_lept.pdf\n"
"Concatenation time: %7.3f\n", stopTimer());
#endif
#if 1
/* ----------- Test corruption recovery by concatenation ------------ */
/* Put two good pdf files in a directory */
lept_rmdir("lept/good");
lept_mkdir("lept/good");
lept_cp("testfile1.pdf", "lept/good", NULL, NULL);
lept_cp("testfile2.pdf", "lept/good", NULL, NULL);
concatenatePdf("/tmp/lept/good", "file", "/tmp/lept/pdf/good.pdf");
/* Make a bad version with the pdf id removed, so that it is not
* recognized as a pdf */
lept_rmdir("lept/bad");
lept_mkdir("lept/bad");
ba = l_byteaInitFromFile("testfile2.pdf");
data = l_byteaGetData(ba, &nbytes);
l_binaryWrite("/tmp/lept/bad/testfile0.notpdf.pdf", "w",
data + 10, nbytes - 10);
/* Make a version with a corrupted trailer */
if (data)
data[2297] = '2'; /* munge trailer object 6: change 458 --> 428 */
l_binaryWrite("/tmp/lept/bad/testfile2.bad.pdf", "w", data, nbytes);
l_byteaDestroy(&ba);
/* Copy testfile1.pdf to the /tmp/lept/bad directory. Then
* run concat on the bad files. The "not pdf" file should be
* ignored, and the corrupted pdf file should be properly parsed,
* so the resulting concatenated pdf files should be identical. */
fprintf(stderr, "\nWe attempt to build from the bad directory\n");
lept_cp("testfile1.pdf", "lept/bad", NULL, NULL);
concatenatePdf("/tmp/lept/bad", "file", "/tmp/lept/pdf/bad.pdf");
filesAreIdentical("/tmp/lept/pdf/good.pdf", "/tmp/lept/pdf/bad.pdf", &same);
if (same)
fprintf(stderr, "Fixed: files are the same\n"
"Attempt succeeded\n");
else
fprintf(stderr, "Busted: files are different\n");
#endif
#if 0
fprintf(stderr, "\n*** pdftk writes multipage pdfs from images\n");
tempfile1 = genPathname("/tmp/lept/pdf", "file*.pdf");
tempfile2 = genPathname("/tmp/lept/pdf", "cat_pdftk.pdf");
snprintf(buffer, sizeof(buffer), "pdftk %s output %s",
tempfile1, tempfile2);
ret = system(buffer); /* pdftk */
lept_free(tempfile1);
lept_free(tempfile2);
#endif
#if 1
/* -- Test simple interface for generating multi-page pdf from images -- */
fprintf(stderr, "\n*** Writing multipage pdfs from images\n");
/* Put four image files in a directory. They will be encoded thus:
* file1.png: flate (8 bpp, only 10 colors)
* file2.jpg: dct (8 bpp, 256 colors because of the jpeg encoding)
* file3.tif: g4 (1 bpp)
* file4.jpg: dct (32 bpp) */
lept_mkdir("lept/image");
pix1 = pixRead("feyn.tif");
pix2 = pixRead("rabi.png");
pix3 = pixScaleToGray3(pix1);
pix4 = pixScaleToGray3(pix2);
pix5 = pixScale(pix1, 0.33, 0.33);
pix6 = pixRead("test24.jpg");
pixWrite("/tmp/lept/image/file1.png", pix3, IFF_PNG); /* 10 colors */
pixWrite("/tmp/lept/image/file2.jpg", pix4, IFF_JFIF_JPEG); /* 256 colors */
pixWrite("/tmp/lept/image/file3.tif", pix5, IFF_TIFF_G4);
pixWrite("/tmp/lept/image/file4.jpg", pix6, IFF_JFIF_JPEG);
startTimer();
convertFilesToPdf("/tmp/lept/image", "file", 100, 0.8, 0, 75, "4 file test",
"/tmp/lept/pdf/fourimages.pdf");
fprintf(stderr, "4-page pdf generated: /tmp/lept/pdf/fourimages.pdf\n"
"Time: %7.3f\n", stopTimer());
pixDestroy(&pix1);
pixDestroy(&pix2);
pixDestroy(&pix3);
pixDestroy(&pix4);
pixDestroy(&pix5);
pixDestroy(&pix6);
#endif
return 0;
}
main(int argc,
char **argv)
{
char *str;
l_uint8 *data1, *data2;
l_int32 i, n, start, end, same1, same2;
size_t size1, size2;
FILE *fp;
L_DNA *da;
SARRAY *sa;
L_BYTEA *lba1, *lba2, *lba3, *lba4, *lba5;
static char mainName[] = "byteatest";
if (argc != 1)
exit(ERROR_INT("syntax: whatever11", mainName, 1));
/* Test basic init, join and split */
lba1 = l_byteaInitFromFile("feyn.tif");
lba2 = l_byteaInitFromFile("test24.jpg");
size1 = l_byteaGetSize(lba1);
size2 = l_byteaGetSize(lba2);
l_byteaJoin(lba1, &lba2);
lba3 = l_byteaInitFromMem(lba1->data, size1);
lba4 = l_byteaInitFromMem(lba1->data + size1, size2);
/* Split by hand */
l_binaryWrite("junk1", "w", lba3->data, lba3->size);
l_binaryWrite("junk2", "w", lba4->data, lba4->size);
filesAreIdentical("feyn.tif", "junk1", &same1);
filesAreIdentical("test24.jpg", "junk2", &same2);
if (same1 && same2)
fprintf(stderr, "OK for join file\n");
else
fprintf(stderr, "Error: files are different!\n");
/* Split by function */
l_byteaSplit(lba1, size1, &lba5);
l_binaryWrite("junk3", "w", lba1->data, lba1->size);
l_binaryWrite("junk4", "w", lba5->data, lba5->size);
filesAreIdentical("feyn.tif", "junk3", &same1);
filesAreIdentical("test24.jpg", "junk4", &same2);
if (same1 && same2)
fprintf(stderr, "OK for split file\n");
else
fprintf(stderr, "Error: files are different!\n");
l_byteaDestroy(&lba1);
l_byteaDestroy(&lba2);
l_byteaDestroy(&lba3);
l_byteaDestroy(&lba4);
l_byteaDestroy(&lba5);
/* Test appending */
data1 = l_binaryRead("whatever10.c", &size1);
sa = sarrayCreateLinesFromString((char *)data1, 1);
lba1 = l_byteaCreate(0);
n = sarrayGetCount(sa);
for (i = 0; i < n; i++) {
str = sarrayGetString(sa, i, L_NOCOPY);
l_byteaAppendString(lba1, str);
l_byteaAppendString(lba1, (char *)"\n");
}
data2 = l_byteaGetData(lba1, &size2);
l_binaryWrite("junk1.txt", "w", data2, size2);
filesAreIdentical("whatever10.c", "junk1.txt", &same1);
if (same1)
fprintf(stderr, "OK for appended file\n");
else
fprintf(stderr, "Error: appended file is different!\n");
lept_free(data1);
sarrayDestroy(&sa);
l_byteaDestroy(&lba1);
/* Test search */
convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "junk3.pdf",
0, 0, 100, NULL, 0, NULL);
lba1 = l_byteaInitFromFile("junk3.pdf");
l_byteaFindEachSequence(lba1, (l_uint8 *)" 0 obj\n", 7, &da);
l_dnaWriteStream(stderr, da);
l_byteaDestroy(&lba1);
l_dnaDestroy(&da);
/* Test write to file */
lba1 = l_byteaInitFromFile("feyn.tif");
fp = lept_fopen("junk5", "wb");
size1 = l_byteaGetSize(lba1);
for (start = 0; start < size1; start += 1000) {
end = L_MIN(start + 1000 - 1, size1 - 1);
l_byteaWriteStream(fp, lba1, start, end);
}
lept_fclose(fp);
l_byteaDestroy(&lba1);
return 0;
}