int main(int argc,
char **argv) {
l_int32 w, d, tilewidth;
PIX *pixs;
PIXA *pixa, *pixad1, *pixad2;
PIXAA *pixaa1, *pixaa2;
static char mainName[] = "pixaatest";
if (argc != 1)
return ERROR_INT(" Syntax: pixaatest", mainName, 1);
/* Read in file, split it into a set of tiles, and generate a pdf.
* Two things to note for these tiny images:
* (1) If you use dct format (jpeg) for each image instead of
* flate (lossless), the quantization will be apparent.
* (2) If the resolution in pixaConvertToPdf() is above 50, and
* you add a red boundary, you will see errors in the boundary
* width.
*/
pixs = pixRead("test24.jpg");
pixGetDimensions(pixs, &w, NULL, &d);
pixa = pixaSplitPix(pixs, nx, ny, 0, 0);
/* pixa = pixaSplitPix(pixs, nx, ny, 2, 0xff000000); */ /* red border */
pixWrite("/tmp/junk0", pixa->pix[0], IFF_PNG);
pixWrite("/tmp/junk9", pixa->pix[9], IFF_PNG);
pixaConvertToPdf(pixa, 50, 1.0, 0, 95, "individual", "/tmp/junkout0.pdf");
/* Generate two pixaa by sampling the pixa, and write them to file */
pixaa1 = pixaaCreateFromPixa(pixa, nx, L_CHOOSE_CONSECUTIVE, L_CLONE);
pixaa2 = pixaaCreateFromPixa(pixa, nx, L_CHOOSE_SKIP_BY, L_CLONE);
pixaaWrite("/tmp/pixaa1.paa", pixaa1);
pixaaWrite("/tmp/pixaa2.paa", pixaa2);
pixaDestroy(&pixa);
pixaaDestroy(&pixaa1);
pixaaDestroy(&pixaa2);
/* Read each pixaa from file; tile/scale into a pixa */
pixaa1 = pixaaRead("/tmp/pixaa1.paa");
pixaa2 = pixaaRead("/tmp/pixaa2.paa");
tilewidth = w / nx;
pixad1 = pixaaDisplayTiledAndScaled(pixaa1, d, tilewidth, ncols, 0, 10, 0);
pixad2 = pixaaDisplayTiledAndScaled(pixaa2, d, tilewidth, ncols, 0, 10, 0);
/* Generate a pdf from each pixa */
pixaConvertToPdf(pixad1, 50, 1.0, 0, 75, "consecutive", "/tmp/junkout1.pdf");
pixaConvertToPdf(pixad2, 50, 1.0, 0, 75, "skip_by", "/tmp/junkout2.pdf");
/* Write each pixa to a set of files, and generate a PS */
pixaWriteFiles("/tmp/junksplit1.", pixad1, IFF_JFIF_JPEG);
pixaWriteFiles("/tmp/junksplit2.", pixad2, IFF_JFIF_JPEG);
convertFilesToPS("/tmp", "junksplit1", 40, "/tmp/junkout1.ps");
convertFilesToPS("/tmp", "junksplit2", 40, "/tmp/junkout2.ps");
pixDestroy(&pixs);
pixaaDestroy(&pixaa1);
pixaaDestroy(&pixaa2);
pixaDestroy(&pixad1);
pixaDestroy(&pixad2);
return 0;
}
int main(int argc,
char **argv)
{
char *dirin, *substr, *fileout;
l_int32 res;
if (argc != 5) {
fprintf(stderr,
" Syntax: convertfilestops dirin substr res fileout\n"
" where\n"
" dirin: input directory for image files\n"
" substr: Use 'allfiles' to convert all files\n"
" in the directory.\n"
" res: Input resolution of each image;\n"
" assumed to all be the same\n"
" fileout: Output ps file.\n");
return 1;
}
dirin = argv[1];
substr = argv[2];
res = atoi(argv[3]);
fileout = argv[4];
if (!strcmp(substr, "allfiles"))
substr = NULL;
if (res != 0)
return convertFilesToPS(dirin, substr, res, fileout);
else
return convertFilesFittedToPS(dirin, substr, 0.0, 0.0, fileout);
}
l_int32 main(int argc,
char **argv)
{
l_int32 i, n, ignore;
l_float32 a, b, c, d, e;
L_DEWARP *dew;
FILE *fp;
FPIX *fpix;
NUMA *nax, *nay, *nafit;
PIX *pixs, *pixn, *pixg, *pixb, *pixt1, *pixt2, *pixt3;
PIX *pixs2, *pixn2, *pixg2, *pixb2, *pixv, *pixd;
PTA *pta, *ptad;
PTAA *ptaa1, *ptaa2;
pixs = pixRead("1555-7.jpg");
/* Normalize for varying background and binarize */
pixn = pixBackgroundNormSimple(pixs, NULL, NULL);
pixg = pixConvertRGBToGray(pixn, 0.5, 0.3, 0.2);
pixb = pixThresholdToBinary(pixg, 130);
/* Run the basic functions */
dew = dewarpCreate(pixb, 7, 30, 15, 1);
dewarpBuildModel(dew, 1);
dewarpApplyDisparity(dew, pixg, 1);
/* Save the intermediate dewarped images */
pixv = pixRead("/tmp/pixv.png");
pixd = pixRead("/tmp/pixd.png");
/* Normalize another image, that doesn't have enough textlines
* to build an accurate model */
pixs2 = pixRead("1555-3.jpg");
pixn2 = pixBackgroundNormSimple(pixs2, NULL, NULL);
pixg2 = pixConvertRGBToGray(pixn2, 0.5, 0.3, 0.2);
pixb2 = pixThresholdToBinary(pixg2, 130);
/* Apply the previous disparity model to this image */
dewarpApplyDisparity(dew, pixg2, 1);
dewarpDestroy(&dew);
/* Get the textline centers */
const char* const morph2 = "c15.1 + o15.1 + c50.1";
ptaa1 = pixGetTextlineCenters(pixb,morph2, 0);
pixt1 = pixCreateTemplate(pixs);
pixt2 = pixDisplayPtaa(pixt1, ptaa1);
pixWrite("/tmp/textline1.png", pixt2, IFF_PNG);
pixDisplayWithTitle(pixt2, 500, 100, "textline centers", 1);
pixDestroy(&pixt1);
/* Remove short lines */
fprintf(stderr, "Num all lines = %d\n", ptaaGetCount(ptaa1));
ptaa2 = ptaaRemoveShortLines(pixb, ptaa1, 0.8, 0);
/* Fit to curve */
n = ptaaGetCount(ptaa2);
fprintf(stderr, "Num long lines = %d\n", n);
for (i = 0; i < n; i++) {
pta = ptaaGetPta(ptaa2, i, L_CLONE);
ptaGetArrays(pta, &nax, NULL);
#if DO_QUAD
ptaGetQuadraticLSF(pta, &a, &b, &c, &nafit);
/* fprintf(stderr, "a = %7.3f, b = %7.3f, c = %7.3f\n", a, b, c); */
#elif DO_CUBIC
ptaGetCubicLSF(pta, &a, &b, &c, &d, &nafit);
/* fprintf(stderr, "a = %7.3f, b = %7.3f, c = %7.3f, d = %7.3f\n",
a, b, c, d); */
#elif DO_QUARTIC
ptaGetQuarticLSF(pta, &a, &b, &c, &d, &e, &nafit);
/* fprintf(stderr,
"a = %7.3f, b = %7.3f, c = %7.3f, d = %7.3f, e = %7.3f\n",
a, b, c, d, e); */
#endif
ptad = ptaCreateFromNuma(nax, nafit);
pixDisplayPta(pixt2, pixt2, ptad);
ptaDestroy(&pta);
ptaDestroy(&ptad);
numaDestroy(&nax);
numaDestroy(&nafit);
}
pixDisplayWithTitle(pixt2, 700, 100, "fitted lines superimposed", 1);
pixWrite("/tmp/textline2.png", pixt2, IFF_PNG);
ptaaDestroy(&ptaa1);
ptaaDestroy(&ptaa2);
pixDestroy(&pixt2);
/* Write out the files to be imaged */
lept_mkdir("junkdir");
pixWrite("/tmp/junkdir/001.jpg", pixs, IFF_JFIF_JPEG);
pixWrite("/tmp/junkdir/002.jpg", pixn, IFF_JFIF_JPEG);
pixWrite("/tmp/junkdir/003.jpg", pixg, IFF_JFIF_JPEG);
pixWrite("/tmp/junkdir/004.png", pixb, IFF_TIFF_G4);
pixt1 = pixRead("/tmp/textline1.png");
pixWrite("/tmp/junkdir/005.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixt1 = pixRead("/tmp/textline2.png");
pixWrite("/tmp/junkdir/006.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixt1 = pixRead("/tmp/lines1.png");
pixWrite("/tmp/junkdir/007.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixt1 = pixRead("/tmp/lines2.png");
pixWrite("/tmp/junkdir/008.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixt1 = pixRead("/tmp/vert-contours.png");
pixWrite("/tmp/junkdir/009.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixWrite("/tmp/junkdir/010.png", pixv, IFF_PNG);
pixt1 = pixThresholdToBinary(pixv, 130);
pixWrite("/tmp/junkdir/011.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixt1 = pixRead("/tmp/horiz-contours.png");
pixWrite("/tmp/junkdir/012.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixWrite("/tmp/junkdir/013.png", pixd, IFF_PNG);
pixt1 = pixThresholdToBinary(pixd, 130);
pixWrite("/tmp/junkdir/014.png", pixt1, IFF_PNG);
pixDestroy(&pixt1);
pixWrite("/tmp/junkdir/015.png", pixb, IFF_TIFF_G4);
/* (these are for the second image) */
pixWrite("/tmp/junkdir/016.jpg", pixs2, IFF_JFIF_JPEG);
pixWrite("/tmp/junkdir/017.png", pixb2, IFF_TIFF_G4);
pixt1 = pixRead("/tmp/pixv.png");
pixt2 = pixThresholdToBinary(pixt1, 130);
pixWrite("/tmp/junkdir/018.png", pixt2, IFF_PNG);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
pixt1 = pixRead("/tmp/pixd.png");
pixt2 = pixThresholdToBinary(pixt1, 130);
pixWrite("/tmp/junkdir/019.png", pixt2, IFF_PNG);
pixDestroy(&pixt1);
pixDestroy(&pixt2);
/* Generate the 19 page ps and pdf files */
convertFilesToPS("/tmp/junkdir", NULL, 135, "/tmp/dewarp.ps");
fprintf(stderr, "ps file made: /tmp/dewarp.ps\n");
ignore = system("ps2pdf /tmp/dewarp.ps /tmp/dewarp.pdf");
fprintf(stderr, "pdf file made: /tmp/dewarp.pdf\n");
pixDestroy(&pixs);
pixDestroy(&pixn);
pixDestroy(&pixg);
pixDestroy(&pixb);
pixDestroy(&pixs2);
pixDestroy(&pixn2);
pixDestroy(&pixg2);
pixDestroy(&pixb2);
pixDestroy(&pixv);
pixDestroy(&pixd);
return 0;
}
