C++ pixWrite函数代码示例

int main(int    argc,
         char **argv)
{
char         filename[BUF_SIZE];
char        *dirin, *rootname, *fname;
l_int32      i, firstpage, npages, nfiles;
l_float32    thresh, weight;
JBDATA      *data;
JBCLASSER   *classer;
SARRAY      *safiles;
PIX         *pix, *pixt;
PIXA        *pixa, *pixadb;
static char  mainName[] = "jbcorrelation";

    if (argc != 5 && argc != 7)
	return ERROR_INT(" Syntax: jbcorrelation dirin thresh weight "
                         "rootname [firstpage, npages]", mainName, 1);

    dirin = argv[1];
    thresh = atof(argv[2]);
    weight = atof(argv[3]);
    rootname = argv[4];

    if (argc == 5) {
        firstpage = 0;
	npages = 0;
    }
    else {
        firstpage = atoi(argv[5]);
        npages = atoi(argv[6]);
    }

#if 0

    /*--------------------------------------------------------------*/

    jbCorrelation(dirin, thresh, weight, COMPONENTS, rootname,
                  firstpage, npages, 1);

    /*--------------------------------------------------------------*/

#else

    /*--------------------------------------------------------------*/

    safiles = getSortedPathnamesInDirectory(dirin, NULL, firstpage, npages);
    nfiles = sarrayGetCount(safiles);

    sarrayWriteStream(stderr, safiles);

        /* Classify components on requested pages */
    startTimer();
    classer = jbCorrelationInit(COMPONENTS, 0, 0, thresh, weight);
    jbAddPages(classer, safiles);
    fprintf(stderr, "Time to generate classes: %6.3f sec\n", stopTimer());

        /* Save and write out the result */
    data = jbDataSave(classer);
    jbDataWrite(rootname, data);
    fprintf(stderr, "Number of classes: %d\n", classer->nclass);

        /* Render the pages from the classifier data.
	 * Use debugflag == FALSE to omit outlines of each component. */
    pixa = jbDataRender(data, FALSE);

        /* Write the pages out */
    npages = pixaGetCount(pixa);
    if (npages != nfiles)
        fprintf(stderr, "npages = %d, nfiles = %d, not equal!\n",
	        npages, nfiles);
    for (i = 0; i < npages; i++) {
        pix = pixaGetPix(pixa, i, L_CLONE);
	snprintf(filename, BUF_SIZE, "%s.%05d", rootname, i);
	fprintf(stderr, "filename: %s\n", filename);
	pixWrite(filename, pix, IFF_PNG);
	pixDestroy(&pix);
    }

#if  DISPLAY_DIFFERENCE
    fname = sarrayGetString(safiles, 0, 0);
    pixt = pixRead(fname);
    pix = pixaGetPix(pixa, 0, L_CLONE);
    pixXor(pixt, pixt, pix);
    pixWrite("junk_output_diff", pixt, IFF_PNG);
    pixDestroy(&pix);
    pixDestroy(&pixt);
#endif  /* DISPLAY_DIFFERENCE */

#if  DEBUG_TEST_DATA_IO
{ JBDATA  *newdata;
  PIX     *newpix;
  PIXA    *newpixa;
  l_int32  same, iofail;
        /* Read the data back in and render the pages */
    newdata = jbDataRead(rootname);
    newpixa = jbDataRender(newdata, FALSE);
    iofail = FALSE;
    for (i = 0; i < npages; i++) {
        pix = pixaGetPix(pixa, i, L_CLONE);
        newpix = pixaGetPix(newpixa, i, L_CLONE);
//.........这里部分代码省略.........

/*
 *  pixaWriteCompressedToPS()
 *
 *      Input:  pixa (any set of images)
 *              fileout (output ps file)
 *              res (of input image)
 *              level (compression: 2 or 3)
 *      Return: 0 if OK, 1 on error
 *
 *  Notes:
 *      (1) This generates a PS file of multiple page images, all
 *          with bounding boxes.
 *      (2) It compresses to:
 *              cmap + level2:        jpeg
 *              cmap + level3:        flate
 *              1 bpp:                tiffg4
 *              2 or 4 bpp + level2:  jpeg
 *              2 or 4 bpp + level3:  flate
 *              8 bpp:                jpeg
 *              16 bpp:               flate
 *              32 bpp:               jpeg
 *      (3) To generate a pdf, use: ps2pdf <infile.ps> <outfile.pdf>
 */
l_int32
pixaWriteCompressedToPS(PIXA        *pixa,
                        const char  *fileout,
                        l_int32      res,
                        l_int32      level)
{
char     *tname, *g4_name, *jpeg_name, *png_name;
l_int32   i, n, firstfile, index, writeout, d;
PIX      *pix, *pixt;
PIXCMAP  *cmap;

    PROCNAME("pixaWriteCompressedToPS");

    if (!pixa)
        return ERROR_INT("pixa not defined", procName, 1);
    if (!fileout)
        return ERROR_INT("fileout not defined", procName, 1);
    if (level != 2 && level != 3) {
        L_ERROR("only levels 2 and 3 permitted; using level 2\n", procName);
        level = 2;
    }

    n = pixaGetCount(pixa);
    firstfile = TRUE;
    index = 0;
    lept_mkdir("lept/comp");
    g4_name = genTempFilename("/tmp/lept/comp", "temp.tif", 0, 0);
    jpeg_name = genTempFilename("/tmp/lept/comp", "temp.jpg", 0, 0);
    png_name = genTempFilename("/tmp/lept/comp", "temp.png", 0, 0);
    for (i = 0; i < n; i++) {
        writeout = TRUE;
        pix = pixaGetPix(pixa, i, L_CLONE);
        d = pixGetDepth(pix);
        cmap = pixGetColormap(pix);
        if (d == 1) {
            tname = g4_name;
            pixWrite(tname, pix, IFF_TIFF_G4);
        } else if (cmap) {
            if (level == 2) {
                pixt = pixConvertForPSWrap(pix);
                tname = jpeg_name;
                pixWrite(tname, pixt, IFF_JFIF_JPEG);
                pixDestroy(&pixt);
            } else {  /* level == 3 */
                tname = png_name;
                pixWrite(tname, pix, IFF_PNG);
            }
        } else if (d == 16) {
            if (level == 2)
                L_WARNING("d = 16; must write out flate\n", procName);
            tname = png_name;
            pixWrite(tname, pix, IFF_PNG);
        } else if (d == 2 || d == 4) {
            if (level == 2) {
                pixt = pixConvertTo8(pix, 0);
                tname = jpeg_name;
                pixWrite(tname, pixt, IFF_JFIF_JPEG);
                pixDestroy(&pixt);
            } else {  /* level == 3 */
                tname = png_name;
                pixWrite(tname, pix, IFF_PNG);
            }
        } else if (d == 8 || d == 32) {
            tname = jpeg_name;
            pixWrite(tname, pix, IFF_JFIF_JPEG);
        } else {  /* shouldn't happen */
            L_ERROR("invalid depth: %d\n", procName, d);
            writeout = FALSE;
        }
        pixDestroy(&pix);

        if (writeout)
            writeImageCompressedToPSFile(tname, fileout, res,
                                         &firstfile, &index);
    }

    LEPT_FREE(g4_name);
//.........这里部分代码省略.........

l_int32
DoComparisonDwa1(PIX     *pixs,
                 PIX     *pixt1,
                 PIX     *pixt2,
                 PIX     *pixt3,
                 PIX     *pixt4,
                 PIX     *pixt5,
                 PIX     *pixt6,
                 l_int32  isize)
{
l_int32   fact1, fact2, size;

    selectComposableSizes(isize, &fact1, &fact2);
    size = fact1 * fact2;
    
    fprintf(stderr, "..%d..", size);

    if (TIMING) startTimer();
    pixDilateCompBrickExtendDwa(pixt1, pixs, size, 1);
    pixDilateCompBrickExtendDwa(pixt3, pixs, 1, size);
    pixDilateCompBrickExtendDwa(pixt5, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Dwa: %7.3f sec\n", stopTimer());
    if (TIMING) startTimer();
    pixDilateCompBrick(pixt2, pixs, size, 1);
    pixDilateCompBrick(pixt4, pixs, 1, size);
    pixDilateCompBrick(pixt6, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Rop: %7.3f sec\n", stopTimer());
    PixCompareDwa(size, "dilate", pixt1, pixt2, pixt3, pixt4, pixt5, pixt6);

    if (TIMING) startTimer();
    pixErodeCompBrickExtendDwa(pixt1, pixs, size, 1);
    pixErodeCompBrickExtendDwa(pixt3, pixs, 1, size);
    pixErodeCompBrickExtendDwa(pixt5, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Dwa: %7.3f sec\n", stopTimer());
    if (TIMING) startTimer();
    pixErodeCompBrick(pixt2, pixs, size, 1);
    pixErodeCompBrick(pixt4, pixs, 1, size);
    pixErodeCompBrick(pixt6, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Rop: %7.3f sec\n", stopTimer());
    PixCompareDwa(size, "erode", pixt1, pixt2, pixt3, pixt4, pixt5, pixt6);

    if (TIMING) startTimer();
    pixOpenCompBrickExtendDwa(pixt1, pixs, size, 1);
    pixOpenCompBrickExtendDwa(pixt3, pixs, 1, size);
    pixOpenCompBrickExtendDwa(pixt5, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Dwa: %7.3f sec\n", stopTimer());
    if (TIMING) startTimer();
    pixOpenCompBrick(pixt2, pixs, size, 1);
    pixOpenCompBrick(pixt4, pixs, 1, size);
    pixOpenCompBrick(pixt6, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Rop: %7.3f sec\n", stopTimer());
    PixCompareDwa(size, "open", pixt1, pixt2, pixt3, pixt4, pixt5, pixt6);

    if (TIMING) startTimer();
    pixCloseCompBrickExtendDwa(pixt1, pixs, size, 1);
    pixCloseCompBrickExtendDwa(pixt3, pixs, 1, size);
    pixCloseCompBrickExtendDwa(pixt5, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Dwa: %7.3f sec\n", stopTimer());
    if (TIMING) startTimer();
    pixCloseSafeCompBrick(pixt2, pixs, size, 1);
    pixCloseSafeCompBrick(pixt4, pixs, 1, size);
    pixCloseSafeCompBrick(pixt6, pixs, size, size);
    if (TIMING) fprintf(stderr, "Time Rop: %7.3f sec\n", stopTimer());
    PixCompareDwa(size, "close", pixt1, pixt2, pixt3, pixt4, pixt5, pixt6);

#if 0
    pixWrite("/tmp/junkpixt3.png", pixt3, IFF_PNG);
    pixWrite("/tmp/junkpixt4.png", pixt4, IFF_PNG);
    pixXor(pixt3, pixt3, pixt4);
    pixWrite("/tmp/junkxor.png", pixt3, IFF_PNG);
#endif

    return 0;
}

int main(int argc,
         char **argv) {
    char buf[32];
    char *filein, *fileout, *fontdir, *textstr;
    l_int32 n, i, maxdepth, ntext, border, lossless, display, showtext;
    l_float32 scalefact;
    L_BMF *bmf;
    PIX *pix1, *pix2, *pix3, *pix4, *pixd;
    PIXA *pixa, *pixad;
    static char mainName[] = "displaypixa";

    if (argc != 3 && argc != 4 && argc != 7 && argc != 8) {
        fprintf(stderr, "Syntax error in displaypixa:\n"
                "   displaypixa filein fileout [showtext]\n"
                "   displaypixa filein scalefact border"
                " lossless disp fileout [showtext]\n");
        return 1;
    }

    filein = argv[1];
    if ((pixa = pixaRead(filein)) == NULL)
        return ERROR_INT("pixa not made", mainName, 1);
    pixaCountText(pixa, &ntext);

    if (argc == 3 || argc == 4)
        fileout = argv[2];
    if (argc == 4)
        showtext = atoi(argv[3]);

    /* Simple specification; no output text */
    if (argc == 3 ||
        (argc == 4 && (ntext == 0 || showtext == 0))) {  /* no text output */
        pixaVerifyDepth(pixa, &maxdepth);
        pixd = pixaDisplayTiledInRows(pixa, maxdepth, 1400, 1.0, 0, 10, 0);
        pixDisplay(pixd, 100, 100);
        if (pixGetDepth(pixd) == 1)
            pixWrite(fileout, pixd, IFF_PNG);
        else
            pixWrite(fileout, pixd, IFF_JFIF_JPEG);
        pixDestroy(&pixd);
        pixaDestroy(&pixa);
        return 0;
    }

    /* Simple specification with output text */
    if (argc == 4) {  /* showtext == 1 && ntext > 0 */
        n = pixaGetCount(pixa);
        bmf = bmfCreate(NULL, 6);
        pixad = pixaCreate(n);
        for (i = 0; i < n; i++) {
            pix1 = pixaGetPix(pixa, i, L_CLONE);
            pix2 = pixConvertTo32(pix1);
            pix3 = pixAddBorderGeneral(pix2, 10, 10, 5, 5, 0xffffff00);
            textstr = pixGetText(pix1);
            if (textstr && strlen(textstr) > 0) {
                snprintf(buf, sizeof(buf), "%s", textstr);
                pix4 = pixAddSingleTextblock(pix3, bmf, buf, 0xff000000,
                                             L_ADD_BELOW, NULL);
            } else {
                pix4 = pixClone(pix3);
            }
            pixaAddPix(pixad, pix4, L_INSERT);
            pixDestroy(&pix1);
            pixDestroy(&pix2);
            pixDestroy(&pix3);
        }
        bmfDestroy(&bmf);
        pixaVerifyDepth(pixad, &maxdepth);
        pixd = pixaDisplayTiledInRows(pixad, maxdepth, 1400, 1.0, 0, 10, 0);
        pixDisplay(pixd, 100, 100);
        if (pixGetDepth(pixd) == 1)
            pixWrite(fileout, pixd, IFF_PNG);
        else
            pixWrite(fileout, pixd, IFF_JFIF_JPEG);
        pixDestroy(&pixd);
        pixaDestroy(&pixa);
        pixaDestroy(&pixad);
        return 0;
    }

    /* Full specification */
    scalefact = atof(argv[2]);
    border = atoi(argv[3]);
    lossless = atoi(argv[4]);
    display = atoi(argv[5]);
    fileout = argv[6];
    showtext = (argc == 8) ? atoi(argv[7]) : 0;
    if (showtext && ntext == 0)
        L_INFO("No text found in any of the pix\n", mainName);
    bmf = (showtext && ntext > 0) ? bmfCreate(NULL, 6) : NULL;
    n = pixaGetCount(pixa);
    pixad = pixaCreate(n);
    for (i = 0; i < n; i++) {
        pix1 = pixaGetPix(pixa, i, L_CLONE);
        pix2 = pixConvertTo32(pix1);
        pix3 = pixAddBorderGeneral(pix2, 10, 10, 5, 5, 0xffffff00);
        textstr = pixGetText(pix1);
        if (bmf && textstr && strlen(textstr) > 0) {
            snprintf(buf, sizeof(buf), "%s", textstr);
            pix4 = pixAddSingleTextblock(pix3, bmf, buf, 0xff000000,
//.........这里部分代码省略.........

main(int    argc,
     char **argv)
{
l_int32      d;
PIX         *pixs, *pixc, *pixr, *pixg, *pixb, *pixsg, *pixsm, *pixd;
PIXA        *pixa;
static char  mainName[] = "livre_adapt";

    if (argc != 1)
	exit(ERROR_INT(" Syntax:  livre_adapt", mainName, 1));

        /* Read the image in at 150 ppi. */
    pixDisplayWrite(NULL, -1);
    if ((pixs = pixRead("brothers.150.jpg")) == NULL)
	exit(ERROR_INT("pix not made", mainName, 1));
    pixDisplayWriteFormat(pixs, 2, IFF_JFIF_JPEG);

        /* Normalize for uneven illumination on RGB image */
    pixBackgroundNormRGBArraysMorph(pixs, NULL, 4, 5, 200,
                                    &pixr, &pixg, &pixb);
    pixd = pixApplyInvBackgroundRGBMap(pixs, pixr, pixg, pixb, 4, 4);
    pixDisplayWriteFormat(pixd, 2, IFF_JFIF_JPEG); 
    pixDestroy(&pixr);
    pixDestroy(&pixg);
    pixDestroy(&pixb);
    pixDestroy(&pixd);

        /* Convert the RGB image to grayscale. */
    pixsg = pixConvertRGBToLuminance(pixs);
    pixDisplayWriteFormat(pixsg, 2, IFF_JFIF_JPEG);

        /* Remove the text in the fg. */
    pixc = pixCloseGray(pixsg, 25, 25);
    pixDisplayWriteFormat(pixc, 2, IFF_JFIF_JPEG);

        /* Smooth the bg with a convolution. */
    pixsm = pixBlockconv(pixc, 15, 15);
    pixDisplayWriteFormat(pixsm, 2, IFF_JFIF_JPEG);
    pixDestroy(&pixc);

        /* Normalize for uneven illumination on gray image. */
    pixBackgroundNormGrayArrayMorph(pixsg, NULL, 4, 5, 200, &pixg);
    pixc = pixApplyInvBackgroundGrayMap(pixsg, pixg, 4, 4);
    pixDisplayWriteFormat(pixc, 2, IFF_JFIF_JPEG);
    pixDestroy(&pixg);

        /* Increase the dynamic range. */
    pixd = pixGammaTRC(NULL, pixc, 1.0, 30, 180);
    pixDisplayWriteFormat(pixd, 2, IFF_JFIF_JPEG);
    pixDestroy(&pixc);

        /* Threshold to 1 bpp. */
    pixb = pixThresholdToBinary(pixd, 120);
    pixDisplayWriteFormat(pixb, 2, IFF_PNG);
    pixDestroy(&pixd);
    pixDestroy(&pixb);

            /* Generate the output image */
    pixa = pixaReadFiles("/tmp", "junk_write_display");
    pixd = pixaDisplayTiledAndScaled(pixa, 8, 350, 4, 0, 25, 2);
    pixWrite("/tmp/adapt.jpg", pixd, IFF_JFIF_JPEG);
    pixDisplayWithTitle(pixd, 100, 100, NULL, 1);
    pixDestroy(&pixd);

    pixDestroy(&pixs);
    pixDestroy(&pixsg);
    return 0;
}

/*!
 *  pixConnCompBB()
 *
 *      Input:  pixs (1 bpp)
 *              connectivity (4 or 8)
 *      Return: boxa, or null on error
 *
 * Notes:
 *     (1) Finds bounding boxes of 4- or 8-connected components
 *         in a binary image.
 *     (2) This works on a copy of the input pix.  The c.c. are located
 *         in raster order and erased one at a time.  In the process,
 *         the b.b. is computed and saved.
 */
BOXA *
pixConnCompBB(PIX     *pixs,
              l_int32  connectivity)
{
l_int32   h, iszero;
l_int32   x, y, xstart, ystart;
PIX      *pixt;
BOX      *box;
BOXA     *boxa;
L_STACK  *stack, *auxstack;

    PROCNAME("pixConnCompBB");

    if (!pixs || pixGetDepth(pixs) != 1)
        return (BOXA *)ERROR_PTR("pixs undefined or not 1 bpp", procName, NULL);
    if (connectivity != 4 && connectivity != 8)
        return (BOXA *)ERROR_PTR("connectivity not 4 or 8", procName, NULL);

    pixZero(pixs, &iszero);
    if (iszero)
        return boxaCreate(1);  /* return empty boxa */

    if ((pixt = pixCopy(NULL, pixs)) == NULL)
        return (BOXA *)ERROR_PTR("pixt not made", procName, NULL);

    h = pixGetHeight(pixs);
    if ((stack = lstackCreate(h)) == NULL)
        return (BOXA *)ERROR_PTR("stack not made", procName, NULL);
    if ((auxstack = lstackCreate(0)) == NULL)
        return (BOXA *)ERROR_PTR("auxstack not made", procName, NULL);
    stack->auxstack = auxstack;
    if ((boxa = boxaCreate(0)) == NULL)
        return (BOXA *)ERROR_PTR("boxa not made", procName, NULL);

    xstart = 0;
    ystart = 0;
    while (1)
    {
        if (!nextOnPixelInRaster(pixt, xstart, ystart, &x, &y))
            break;

        if ((box = pixSeedfillBB(pixt, stack, x, y, connectivity)) == NULL)
            return (BOXA *)ERROR_PTR("box not made", procName, NULL);
        boxaAddBox(boxa, box, L_INSERT);

        xstart = x;
        ystart = y;
    }

#if  DEBUG
    pixCountPixels(pixt, &iszero, NULL);
    fprintf(stderr, "Number of remaining pixels = %d\n", iszero);
    pixWrite("junkremain", pixt1, IFF_PNG);
#endif  /* DEBUG */

        /* Cleanup, freeing the fillsegs on each stack */
    lstackDestroy(&stack, TRUE);
    pixDestroy(&pixt);

    return boxa;
}

//.........这里部分代码省略.........
    for (i = 0; i < n; i++) {
        pix = pixaGetPix(pixas, i, L_CLONE);
        box = pixaGetBox(pixas, i, L_CLONE);
        ptraInsert(papix, 0, pix, L_MIN_DOWNSHIFT);
        ptraInsert(pabox, 0, box, L_FULL_DOWNSHIFT);
    }
    pixat = ReconstructPixa(papix, pabox, CHOOSE_RECON);
    ptraDestroy(&papix, 0, 1);
    ptraDestroy(&pabox, 0, 1);
    DisplayResult(pixac, &pixat, w, h, 1);

        /* Reverse the arrays by swapping */
    fprintf(stderr, "Reverse by swapping\n");
    MakePtrasFromPixa(pixas, &papix, &pabox, L_CLONE);
    for (i = 0; i < n / 2; i++) {
        ptraSwap(papix, i, n - i - 1);
        ptraSwap(pabox, i, n - i - 1);
    }
    ptraCompactArray(papix);  /* already compact; shouldn't do anything */
    ptraCompactArray(pabox);
    pixat = ReconstructPixa(papix, pabox, CHOOSE_RECON);
    ptraDestroy(&papix, 0, 1);
    ptraDestroy(&pabox, 0, 1);
    DisplayResult(pixac, &pixat, w, h, 0);

        /* Remove at the top of the array and push the hole to the end
         * by neighbor swapping (!).  This is O(n^2), so it's not a
         * recommended way to copy a ptra. [joke]  */
    fprintf(stderr,
            "Remove at top, pushing hole to end by swapping -- O(n^2)\n");
    MakePtrasFromPixa(pixas, &papix, &pabox, L_CLONE);
    papix2 = ptraCreate(0);
    pabox2 = ptraCreate(0);
    while (1) {
        ptraGetActualCount(papix, &nactual);
        if (nactual == 0) break;
        ptraGetMaxIndex(papix, &imax);
        pix = (PIX *)ptraRemove(papix, 0, L_NO_COMPACTION);
        box = (BOX *)ptraRemove(pabox, 0, L_NO_COMPACTION);
        ptraAdd(papix2, pix);
        ptraAdd(pabox2, box);
        for (i = 1; i <= imax; i++) {
           ptraSwap(papix, i - 1, i);
           ptraSwap(pabox, i - 1, i);
        }
    }
    ptraCompactArray(papix);  /* should be empty */
    ptraCompactArray(pabox);  /* ditto */
    pixat = ReconstructPixa(papix, pabox, CHOOSE_RECON);
    ptraDestroy(&papix, 0, 1);
    ptraDestroy(&pabox, 0, 1);
    DisplayResult(pixac, &pixat, w, h, 1);  /* nothing there */
    pixat = ReconstructPixa(papix2, pabox2, CHOOSE_RECON);
    ptraDestroy(&papix2, 0, 1);
    ptraDestroy(&pabox2, 0, 1);
    DisplayResult(pixac, &pixat, w, h, 0);

        /* Remove and insert one position above, allowing minimum downshift.
         * If you specify L_AUTO_DOWNSHIFT, because there is only 1 hole,
         * it will do a full downshift at each insert.  This is a
         * situation where the heuristic (expected number of holes)
         * fails to do the optimal thing. */
    fprintf(stderr, "Remove and insert one position above (min downshift)\n");
    MakePtrasFromPixa(pixas, &papix, &pabox, L_CLONE);
    for (i = 1; i < n; i++) {
        pix = (PIX *)ptraRemove(papix, i, L_NO_COMPACTION);
        box = (BOX *)ptraRemove(pabox, i, L_NO_COMPACTION);
        ptraInsert(papix, i - 1, pix, L_MIN_DOWNSHIFT);
        ptraInsert(pabox, i - 1, box, L_MIN_DOWNSHIFT);
    }
    pixat = ReconstructPixa(papix, pabox, CHOOSE_RECON);
    ptraDestroy(&papix, 0, 1);
    ptraDestroy(&pabox, 0, 1);
    DisplayResult(pixac, &pixat, w, h, 1);

        /* Remove and insert one position above, but this time
         * forcing a full downshift at each step.  */
    fprintf(stderr, "Remove and insert one position above (full downshift)\n");
    MakePtrasFromPixa(pixas, &papix, &pabox, L_CLONE);
    for (i = 1; i < n; i++) {
        pix = (PIX *)ptraRemove(papix, i, L_NO_COMPACTION);
        box = (BOX *)ptraRemove(pabox, i, L_NO_COMPACTION);
        ptraInsert(papix, i - 1, pix, L_AUTO_DOWNSHIFT);
        ptraInsert(pabox, i - 1, box, L_AUTO_DOWNSHIFT);
    }
/*    ptraCompactArray(papix);
    ptraCompactArray(pabox); */
    pixat = ReconstructPixa(papix, pabox, CHOOSE_RECON);
    ptraDestroy(&papix, 0, 1);
    ptraDestroy(&pabox, 0, 1);
    DisplayResult(pixac, &pixat, w, h, 0);

    pixd = pixaDisplay(pixac, 0, 0);
    pixDisplay(pixd, 100, 100);
    pixWrite("/tmp/junkptra1.png", pixd, IFF_PNG);
    pixDestroy(&pixd);
    pixaDestroy(&pixac);
    pixaDestroy(&pixas);
    return 0;
}

main(int    argc,
     char **argv)
{
char        *filein, *fileout;
char         buffer[512];
const char  *psfile = "/tmp/junk_split_image.ps";
l_int32      nx, ny, i, w, h, d, ws, hs, n, res, ignore;
l_float32    scale;
PIX         *pixs, *pixt, *pixr;
PIXA        *pixa;
static char  mainName[] = "splitimage2pdf";

    if (argc != 5)
        return ERROR_INT(" Syntax:  splitimage2pdf filein nx ny fileout",
                         mainName, 1);

    filein = argv[1];
    nx = atoi(argv[2]);
    ny = atoi(argv[3]);
    fileout = argv[4];

    lept_rm(NULL, "junk_split_image.ps");

    if ((pixs = pixRead(filein)) == NULL)
        exit(ERROR_INT("pixs not made", mainName, 1));
    d = pixGetDepth(pixs);
    if (d == 1 )
        lept_rm(NULL, "junk_split_image.tif");
    else if (d == 8 || d == 32)
        lept_rm(NULL, "junk_split_image.jpg");
    else
        return ERROR_INT("d not in {1,8,32} bpp", mainName, 1);

    ws = pixGetWidth(pixs);
    hs = pixGetHeight(pixs);
    if (ny * ws > nx * hs)
        pixr = pixRotate90(pixs, 1);
    else
        pixr = pixClone(pixs);

    pixa = pixaSplitPix(pixr, nx, ny, 0, 0);
    n = pixaGetCount(pixa);
    res = 300;
    for (i = 0; i < n; i++) {
        pixt = pixaGetPix(pixa, i, L_CLONE);
        w = pixGetWidth(pixt);
        h = pixGetHeight(pixt);
        scale = L_MIN(FILL_FACTOR * 2550 / w, FILL_FACTOR * 3300 / h);
        if (d == 1) {
            pixWrite("/tmp/junk_split_image.tif", pixt, IFF_TIFF_G4);
            if (i == 0)
                convertG4ToPS("/tmp/junk_split_image.tif", psfile,
                              "w", 0, 0, 300, scale, 1, FALSE, TRUE);
            else
                convertG4ToPS("/tmp/junk_split_image.tif", psfile,
                              "a", 0, 0, 300, scale, 1, FALSE, TRUE);
        }
        else {
            pixWrite("/tmp/junk_split_image.jpg", pixt, IFF_JFIF_JPEG);
            if (i == 0)
                convertJpegToPS("/tmp/junk_split_image.jpg", psfile,
                                "w", 0, 0, 300, scale, 1, TRUE);
            else
                convertJpegToPS("/tmp/junk_split_image.jpg", psfile,
                                "a", 0, 0, 300, scale, 1, TRUE);
        }
        pixDestroy(&pixt);
    }

    sprintf(buffer, "ps2pdf %s %s", psfile, fileout);
    ignore = system(buffer);

    pixaDestroy(&pixa);
    pixDestroy(&pixr);
    pixDestroy(&pixs);
    return 0;
}

int main_find_pattern(int    argc,
	char **argv)
{
	char        *filein, *fileout, *patternfile;
	l_int32      w, h, i, n;
	BOX         *box, *boxe;
	BOXA        *boxa1, *boxa2;
	PIX         *pixs, *pixp, *pixpe;
	PIX         *pixd, *pixt1, *pixt2, *pixhmt;
	SEL         *sel_2h, *sel;
	static char  mainName[] = "findpattern1";

	filein = "feyn.tif";
	patternfile = "char.tif";
	fileout = "result.findpattern1";

	if ((pixs = pixRead(filein)) == NULL)
		printf("pixs not made\n");
	if ((pixp = pixRead(patternfile)) == NULL)
		printf("pixp not made\n");
	w = pixGetWidth(pixp);
	h = pixGetHeight(pixp);

	/* generate the hit-miss Sel with runs */
	sel = pixGenerateSelWithRuns(pixp, NumHorLines, NumVertLines, 0,
		MinRunlength, 7, 7, 0, 0, &pixpe);

	/* display the Sel two ways */
	selWriteStream(stderr, sel);
	pixt1 = pixDisplayHitMissSel(pixpe, sel, 9, HitColor, MissColor);
	pixDisplay(pixt1, 200, 200);
	pixWrite("junkpixt", pixt1, IFF_PNG);

	/* use the Sel to find all instances in the page */
	startTimer();
	pixhmt = pixHMT(NULL, pixs, sel);
	fprintf(stderr, "Time to find patterns = %7.3f\n", stopTimer());

	/* small erosion to remove noise; typically not necessary if
	* there are enough elements in the Sel */
	sel_2h = selCreateBrick(1, 2, 0, 0, SEL_HIT);
	pixt2 = pixErode(NULL, pixhmt, sel_2h);

	/* display the result visually by placing the Sel at each
	* location found */
	pixd = pixDilate(NULL, pixt2, sel);
	pixWrite(fileout, pixd, IFF_TIFF_G4);

	/* display outut with an outline around each located pattern */
	boxa1 = pixConnCompBB(pixt2, 8);
	n = boxaGetCount(boxa1);
	boxa2 = boxaCreate(n);
	for (i = 0; i < n; i++) {
		box = boxaGetBox(boxa1, i, L_COPY);
		boxe = boxCreate(box->x - w / 2, box->y - h / 2, w + 4, h + 4);
		boxaAddBox(boxa2, boxe, L_INSERT);
		pixRenderBox(pixs, boxe, 4, L_FLIP_PIXELS);
		boxDestroy(&box);
	}
	pixWrite("junkoutline", pixs, IFF_TIFF_G4);
	//boxaWriteStream(stderr, boxa2); //TODO ???

	pixDestroy(&pixs);
	pixDestroy(&pixp);
	pixDestroy(&pixpe);
	pixDestroy(&pixt1);
	pixDestroy(&pixt2);
	pixDestroy(&pixhmt);
	pixDestroy(&pixd);
	selDestroy(&sel);
	selDestroy(&sel_2h);
	boxaDestroy(&boxa1);
	boxaDestroy(&boxa2);

	printf("\n---\nEND\n");
	getchar();
	return 0;
}

// This method dumps a debug image to the specified location.
void ShiroRekhaSplitter::DumpDebugImage(const char* filename) const {
  pixWrite(filename, debug_image_, IFF_PNG);
}

l_int32 main(int    argc,
             char **argv)
{
l_int32     i, n;
l_float32   a, b, c, d, e;
NUMA       *nax, *nafit;
PIX        *pixs, *pixn, *pixg, *pixb, *pixt1, *pixt2;
PIXA       *pixa;
PTA        *pta, *ptad;
PTAA       *ptaa1, *ptaa2;

    pixs = pixRead("cat-35.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);
    pixDestroy(&pixn);
    pixDestroy(&pixg);

        /* Get the textline centers */
    pixa = pixaCreate(6);
    ptaa1 = dewarpGetTextlineCenters(pixb, 0);
    pixt1 = pixCreateTemplate(pixs);
    pixSetAll(pixt1);
    pixt2 = pixDisplayPtaa(pixt1, ptaa1);
    pixWrite("/tmp/textline1.png", pixt2, IFF_PNG);
    pixDisplayWithTitle(pixt2, 0, 100, "textline centers 1", 1);
    pixaAddPix(pixa, pixt2, L_INSERT);
    pixDestroy(&pixt1);

        /* Remove short lines */
    fprintf(stderr, "Num all lines = %d\n", ptaaGetCount(ptaa1));
    ptaa2 = dewarpRemoveShortLines(pixb, ptaa1, 0.8, 0);
    pixt1 = pixCreateTemplate(pixs);
    pixSetAll(pixt1);
    pixt2 = pixDisplayPtaa(pixt1, ptaa2);
    pixWrite("/tmp/textline2.png", pixt2, IFF_PNG);
    pixDisplayWithTitle(pixt2, 300, 100, "textline centers 2", 1);
    pixaAddPix(pixa, pixt2, L_INSERT);
    pixDestroy(&pixt1);
    n = ptaaGetCount(ptaa2);
    fprintf(stderr, "Num long lines = %d\n", n);
    ptaaDestroy(&ptaa1);
    pixDestroy(&pixb);

        /* Long lines over input image */
    pixt1 = pixCopy(NULL, pixs);
    pixt2 = pixDisplayPtaa(pixt1, ptaa2);
    pixWrite("/tmp/textline3.png", pixt2, IFF_PNG);
    pixDisplayWithTitle(pixt2, 600, 100, "textline centers 3", 1);
    pixaAddPix(pixa, pixt2, L_INSERT);
    pixDestroy(&pixt1);

        /* Quadratic fit to curve */
    pixt1 = pixCopy(NULL, pixs);
    for (i = 0; i < n; i++) {
        pta = ptaaGetPta(ptaa2, i, L_CLONE);
        ptaGetArrays(pta, &nax, NULL);
        ptaGetQuadraticLSF(pta, &a, &b, &c, &nafit);
        fprintf(stderr, "Quadratic: a = %10.6f, b = %7.3f, c = %7.3f\n",
                a, b, c);
        ptad = ptaCreateFromNuma(nax, nafit);
        pixDisplayPta(pixt1, pixt1, ptad);
        ptaDestroy(&pta);
        ptaDestroy(&ptad);
        numaDestroy(&nax);
        numaDestroy(&nafit);
    }
    pixWrite("/tmp/textline4.png", pixt1, IFF_PNG);
    pixDisplayWithTitle(pixt1, 900, 100, "textline centers 4", 1);
    pixaAddPix(pixa, pixt1, L_INSERT);

        /* Cubic fit to curve */
    pixt1 = pixCopy(NULL, pixs);
    for (i = 0; i < n; i++) {
        pta = ptaaGetPta(ptaa2, i, L_CLONE);
        ptaGetArrays(pta, &nax, NULL);
        ptaGetCubicLSF(pta, &a, &b, &c, &d, &nafit);
        fprintf(stderr, "Cubic: a = %10.6f, b = %10.6f, c = %7.3f, d = %7.3f\n",
                a, b, c, d);
        ptad = ptaCreateFromNuma(nax, nafit);
        pixDisplayPta(pixt1, pixt1, ptad);
        ptaDestroy(&pta);
        ptaDestroy(&ptad);
        numaDestroy(&nax);
        numaDestroy(&nafit);
    }
    pixWrite("/tmp/textline5.png", pixt1, IFF_PNG);
    pixDisplayWithTitle(pixt1, 1200, 100, "textline centers 5", 1);
    pixaAddPix(pixa, pixt1, L_INSERT);

        /* Quartic fit to curve */
    pixt1 = pixCopy(NULL, pixs);
    for (i = 0; i < n; i++) {
        pta = ptaaGetPta(ptaa2, i, L_CLONE);
        ptaGetArrays(pta, &nax, NULL);
        ptaGetQuarticLSF(pta, &a, &b, &c, &d, &e, &nafit);
        fprintf(stderr,
            "Quartic: a = %7.3f, b = %7.3f, c = %9.5f, d = %7.3f, e = %7.3f\n",
//.........这里部分代码省略.........

main(int    argc,
     char **argv)
{
l_int32      i, n, ws, hs, w, h, rval, gval, bval, order;
l_float32   *mat1, *mat2, *mat3;
l_float32    matd[9];
BOX         *box, *boxt;
BOXA        *boxa, *boxat, *boxa1, *boxa2, *boxa3, *boxa4, *boxa5;
PIX         *pix, *pixs, *pixb, *pixc, *pixt, *pixt1, *pixt2, *pixt3;
PIXA        *pixa;
static char  mainName[] = "xformbox_reg";

    /* ----------------------------------------------------------- *
     *                Test hash rendering in 3 modes               *
     * ----------------------------------------------------------- */
    pixs = pixRead("feyn.tif");
    box = boxCreate(461, 429, 1393, 342);
    pixt1 = pixClipRectangle(pixs, box, NULL);
    boxa = pixConnComp(pixt1, NULL, 8);
    n = boxaGetCount(boxa);
    pixt2 = pixConvertTo8(pixt1, 1);
    pixt3 = pixConvertTo32(pixt1);
    for (i = 0; i < n; i++) {
        boxt = boxaGetBox(boxa, i, L_CLONE);
	rval = (1413 * i) % 256;
	gval = (4917 * i) % 256;
	bval = (7341 * i) % 256;
	pixRenderHashBox(pixt1, boxt, 8, 2, i % 4, 1, L_SET_PIXELS);
	pixRenderHashBoxArb(pixt2, boxt, 7, 2, i % 4, 1, rval, gval, bval);
	pixRenderHashBoxBlend(pixt3, boxt, 7, 2, i % 4, 1, rval, gval, bval,
                              0.5);
	boxDestroy(&boxt);
    }
    pixDisplay(pixt1, 0, 0);
    pixDisplay(pixt2, 0, 300);
    pixDisplay(pixt3, 0, 570);
    pixWrite("/tmp/junkpixt1.png", pixt1, IFF_PNG);
    pixWrite("/tmp/junkpixt2.png", pixt2, IFF_PNG);
    pixWrite("/tmp/junkpixt3.png", pixt3, IFF_PNG);

    boxaDestroy(&boxa);
    boxDestroy(&box);
    pixDestroy(&pixs);
    pixDestroy(&pixt1);
    pixDestroy(&pixt2);
    pixDestroy(&pixt3);


    /* ----------------------------------------------------------- *
     *    Test box transforms with either translation or scaling   *
     *    combined with rotation, using the simple 'ordered'       *
     *    function.  Show that the order of the operations does    *
     *    not matter; different hashing schemes end up in the      *
     *    identical boxes.                                         *
     * ----------------------------------------------------------- */
    pix = pixRead("feyn.tif");
    box = boxCreate(420, 360, 1500, 465);
    pixt = pixClipRectangle(pix, box, NULL);
    pixs = pixAddBorderGeneral(pixt, 0, 200, 0, 0, 0);
    boxDestroy(&box);
    pixDestroy(&pix);
    pixDestroy(&pixt);
    boxa = pixConnComp(pixs, NULL, 8);
    n = boxaGetCount(boxa);
    pixa = pixaCreate(0);

    pixt = pixConvertTo32(pixs);
    for (i = 0; i < 3; i++) {
        if (i == 0)
            order = L_TR_SC_RO;
        else if (i == 1)
            order = L_TR_RO_SC;
        else
            order = L_SC_TR_RO;
        boxat = boxaTransformOrdered(boxa, SHIFTX_2, SHIFTY_2, 1.0, 1.0,
                                     450, 250, ROTATION_2, order);
        RenderTransformedBoxa(pixt, boxat, i);
        boxaDestroy(&boxat);
    }
    pixSaveTiled(pixt, pixa, 1, 1, 30, 32);
    pixDestroy(&pixt);

    pixt = pixConvertTo32(pixs);
    for (i = 0; i < 3; i++) {
        if (i == 0)
            order = L_RO_TR_SC;
        else if (i == 1)
            order = L_RO_SC_TR;
        else
            order = L_SC_RO_TR;
        boxat = boxaTransformOrdered(boxa, SHIFTX_2, SHIFTY_2, 1.0, 1.0,
                                     450, 250, ROTATION_2, order);
        RenderTransformedBoxa(pixt, boxat, i + 4);
        boxaDestroy(&boxat);
    }
    pixSaveTiled(pixt, pixa, 1, 1, 30, 0);
    pixDestroy(&pixt);

    pixt = pixConvertTo32(pixs);
    for (i = 0; i < 3; i++) {
//.........这里部分代码省略.........

int main(int    argc,
         char **argv)
{
l_int32      i, j;
l_float32    f;
l_uint32     redval, greenval;
PIX         *pixs, *pixd, *pix0, *pix1, *pix2;
static char  mainName[] = "locminmax_reg";

    if (argc != 1)
        return ERROR_INT("syntax: locminmax_reg", mainName, 1);

    pixs = pixCreate(500, 500, 8);
    for (i = 0; i < 500; i++) {
        for (j = 0; j < 500; j++) {
            f = 128.0 + 26.3 * sin(0.0438 * (l_float32)i);
            f += 33.4 * cos(0.0712 * (l_float32)i);
            f += 18.6 * sin(0.0561 * (l_float32)j);
            f += 23.6 * cos(0.0327 * (l_float32)j);
            pixSetPixel(pixs, j, i, (l_int32)f);
        }
    }
    pixDisplay(pixs, 0, 0);
    pixWrite("/tmp/junkpattern.png", pixs, IFF_PNG);

    startTimer();
/*    pixSelectedLocalExtrema(pixs, 1, &pix1, &pix2); */
    pixLocalExtrema(pixs, 0, 0, &pix1, &pix2);
    fprintf(stderr, "Time for extrema: %7.3f\n", stopTimer());
    composeRGBPixel(255, 0, 0, &redval);
    composeRGBPixel(0, 255, 0, &greenval);
    pixd = pixConvertTo32(pixs);
    pixPaintThroughMask(pixd, pix2, 0, 0, greenval);
    pixPaintThroughMask(pixd, pix1, 0, 0, redval);
    pixDisplay(pixd, 510, 0);
    pixWrite("/tmp/junkpixd.png", pixd, IFF_PNG);
    pixDestroy(&pix1);
    pixDestroy(&pix2);
    pixDestroy(&pixs);
    pixDestroy(&pixd);

    pix0 = pixRead("karen8.jpg");
    pixs = pixBlockconv(pix0, 10, 10);
    pixDisplay(pixs, 0, 400);
    pixWrite("/tmp/junkconv.png", pixs, IFF_PNG);
    startTimer();
/*    pixSelectedLocalExtrema(pixs, 1, &pix1, &pix2); */
    pixLocalExtrema(pixs, 50, 100, &pix1, &pix2);
    fprintf(stderr, "Time for extrema: %7.3f\n", stopTimer());
    composeRGBPixel(255, 0, 0, &redval);
    composeRGBPixel(0, 255, 0, &greenval);
    pixd = pixConvertTo32(pixs);
    pixPaintThroughMask(pixd, pix2, 0, 0, greenval);
    pixPaintThroughMask(pixd, pix1, 0, 0, redval);
    pixDisplay(pixd, 350, 400);
    pixWrite("/tmp/junkpixd2.png", pixd, IFF_PNG);
    pixDestroy(&pix0);
    pixDestroy(&pix1);
    pixDestroy(&pix2);
    pixDestroy(&pixs);
    pixDestroy(&pixd);
    return 0;
}

main(int    argc,
     char **argv)
{
char         *str;
l_int32       i, j, same, ok;
l_float32     sum, avediff, rmsdiff;
L_KERNEL     *kel1, *kel2, *kel3, *kel4, *kelx, *kely;
BOX          *box;
PIX          *pix, *pixs, *pixb, *pixg, *pixr, *pixd, *pixp, *pixt;
PIX          *pixt1, *pixt2, *pixt3;
PIXA         *pixa;
SARRAY       *sa;
L_REGPARAMS  *rp;

    if (regTestSetup(argc, argv, &rp))
        return 1;

    pixa = pixaCreate(0);

        /* Test creating from a string */
    kel1 = kernelCreateFromString(5, 5, 2, 2, kdatastr);
    pixd = kernelDisplayInPix(kel1, 41, 2);
    pixWrite("/tmp/pixkern.png", pixd, IFF_PNG);
    regTestCheckFile(rp, "/tmp/pixkern.png");  /* 0 */
    pixSaveTiled(pixd, pixa, 1, 1, 20, 8);
    pixDestroy(&pixd);
    kernelDestroy(&kel1);

        /* Test read/write for kernel.  Note that both get
         * compared to the same golden file, which is
         * overwritten with a copy of /tmp/kern2.kel */
    kel1 = kernelCreateFromString(5, 5, 2, 2, kdatastr);
    kernelWrite("/tmp/kern1.kel", kel1);
    regTestCheckFile(rp, "/tmp/kern1.kel");  /* 1 */
    kel2 = kernelRead("/tmp/kern1.kel");
    kernelWrite("/tmp/kern2.kel", kel2);
    regTestCheckFile(rp, "/tmp/kern2.kel");  /* 2 */
    regTestCompareFiles(rp, 1, 2);  /* 3 */
    kernelDestroy(&kel1);
    kernelDestroy(&kel2);

        /* Test creating from a file */
    sa = sarrayCreate(0);
    sarrayAddString(sa, (char *)"# small 3x3 kernel", L_COPY);
    sarrayAddString(sa, (char *)"3 5", L_COPY);
    sarrayAddString(sa, (char *)"1 2", L_COPY);
    sarrayAddString(sa, (char *)"20.5   50   80    50   20", L_COPY);
    sarrayAddString(sa, (char *)"82.    120  180   120  80", L_COPY);
    sarrayAddString(sa, (char *)"22.1   50   80    50   20", L_COPY);
    str = sarrayToString(sa, 1);
    l_binaryWrite("/tmp/kernfile.kel", "w", str, strlen(str));
    kel2 = kernelCreateFromFile("/tmp/kernfile.kel");
    pixd = kernelDisplayInPix(kel2, 41, 2);
    pixSaveTiled(pixd, pixa, 1, 1, 20, 0);
    pixWrite("/tmp/ker1.png", pixd, IFF_PNG);
    regTestCheckFile(rp, "/tmp/ker1.png");  /* 4 */
    pixDestroy(&pixd);
    sarrayDestroy(&sa);
    lept_free(str);
    kernelDestroy(&kel2);

        /* Test creating from a pix */
    pixt = pixCreate(5, 3, 8);
    pixSetPixel(pixt, 0, 0, 20);
    pixSetPixel(pixt, 1, 0, 50);
    pixSetPixel(pixt, 2, 0, 80);
    pixSetPixel(pixt, 3, 0, 50);
    pixSetPixel(pixt, 4, 0, 20);
    pixSetPixel(pixt, 0, 1, 80);
    pixSetPixel(pixt, 1, 1, 120);
    pixSetPixel(pixt, 2, 1, 180);
    pixSetPixel(pixt, 3, 1, 120);
    pixSetPixel(pixt, 4, 1, 80);
    pixSetPixel(pixt, 0, 0, 20);
    pixSetPixel(pixt, 1, 2, 50);
    pixSetPixel(pixt, 2, 2, 80);
    pixSetPixel(pixt, 3, 2, 50);
    pixSetPixel(pixt, 4, 2, 20);
    kel3 = kernelCreateFromPix(pixt, 1, 2);
    pixd = kernelDisplayInPix(kel3, 41, 2);
    pixSaveTiled(pixd, pixa, 1, 0, 20, 0);
    pixWrite("/tmp/ker2.png", pixd, IFF_PNG);
    regTestCheckFile(rp, "/tmp/ker2.png");  /* 5 */
    pixDestroy(&pixd);
    pixDestroy(&pixt);
    kernelDestroy(&kel3);

        /* Test convolution with kel1 */
    pixs = pixRead("test24.jpg");
    pixg = pixScaleRGBToGrayFast(pixs, 3, COLOR_GREEN);
    pixSaveTiled(pixg, pixa, 1, 1, 20, 0);
    kel1 = kernelCreateFromString(5, 5, 2, 2, kdatastr);
    pixd = pixConvolve(pixg, kel1, 8, 1);
    pixSaveTiled(pixd, pixa, 1, 0, 20, 0);
    pixWrite("/tmp/ker3.png", pixd, IFF_PNG);
    regTestCheckFile(rp, "/tmp/ker3.png");  /* 6 */
    pixDestroy(&pixs);
    pixDestroy(&pixg);
    pixDestroy(&pixd);
    kernelDestroy(&kel1);
//.........这里部分代码省略.........

int main(int    argc,
         char **argv)
{
l_int32       i, w, h;
l_float32     factor, scale;
BOX          *box;
FILE         *fp1;
PIX          *pixs, *pixt;
PIXA         *pixa;
SARRAY       *sa;
L_REGPARAMS  *rp;

    if (regTestSetup(argc, argv, &rp))
        return 1;

    factor = 0.95;

        /* Uncompressed PS with scaling but centered on the page */
    pixs = pixRead("feyn-fract.tif");
    pixGetDimensions(pixs, &w, &h, NULL);
    scale = L_MIN(factor * 2550 / w, factor * 3300 / h);
    fp1 = lept_fopen("/tmp/regout/psio0.ps", "wb+");
    pixWriteStreamPS(fp1, pixs, NULL, 300, scale);
    lept_fclose(fp1);
    regTestCheckFile(rp, "/tmp/regout/psio0.ps");  /* 0 */
    pixDestroy(&pixs);

        /* Uncompressed PS with scaling, with LL corner at (1500, 1500) mils */
    pixs = pixRead("weasel4.11c.png");
    pixGetDimensions(pixs, &w, &h, NULL);
    scale = L_MIN(factor * 2550 / w, factor * 3300 / h);
    box = boxCreate(1500, 1500, (l_int32)(1000 * scale * w / 300),
                    (l_int32)(1000 * scale * h / 300));
    fp1 = lept_fopen("/tmp/regout/psio1.ps", "wb+");
    pixWriteStreamPS(fp1, pixs, box, 300, 1.0);
    lept_fclose(fp1);
    regTestCheckFile(rp, "/tmp/regout/psio1.ps");  /* 1 */
    boxDestroy(&box);
    pixDestroy(&pixs);

        /* DCT compressed PS with LL corner at (300, 1000) pixels */
    pixs = pixRead("marge.jpg");
    pixt = pixConvertTo32(pixs);
    pixWrite("/tmp/regout/psio2.jpg", pixt, IFF_JFIF_JPEG);
    convertJpegToPS("/tmp/regout/psio2.jpg", "/tmp/regout/psio3.ps",
                    "w", 300, 1000, 0, 4.0, 1, 1);
    regTestCheckFile(rp, "/tmp/regout/psio2.jpg");  /* 2 */
    regTestCheckFile(rp, "/tmp/regout/psio3.ps");  /* 3 */
    pixDestroy(&pixt);
    pixDestroy(&pixs);

        /* For each page, apply tiff g4 image first; then jpeg or png over it */
    convertG4ToPS("feyn.tif", "/tmp/regout/psio4.ps", "w",
                  0, 0, 0, 1.0, 1, 1, 0);
    convertJpegToPS("marge.jpg", "/tmp/regout/psio4.ps",
                    "a", 500, 100, 300, 2.0, 1,  0);
    convertFlateToPS("weasel4.11c.png", "/tmp/regout/psio4.ps",
                     "a", 300, 400, 300, 6.0, 1,  0);
    convertJpegToPS("marge.jpg", "/tmp/regout/psio4.ps",
                    "a", 100, 800, 300, 1.5, 1, 1);

    convertG4ToPS("feyn.tif", "/tmp/regout/psio4.ps",
                  "a", 0, 0, 0, 1.0, 2, 1, 0);
    convertJpegToPS("marge.jpg", "/tmp/regout/psio4.ps",
                    "a", 1000, 700, 300, 2.0, 2, 0);
    convertJpegToPS("marge.jpg", "/tmp/regout/psio4.ps",
                    "a", 100, 200, 300, 2.0, 2, 1);

    convertG4ToPS("feyn.tif", "/tmp/regout/psio4.ps",
                  "a", 0, 0, 0, 1.0, 3, 1, 0);
    convertJpegToPS("marge.jpg", "/tmp/regout/psio4.ps",
                    "a", 200, 200, 300, 2.0, 3, 0);
    convertJpegToPS("marge.jpg", "/tmp/regout/psio4.ps",
                    "a", 200, 900, 300, 2.0, 3, 1);
    regTestCheckFile(rp, "/tmp/regout/psio4.ps");  /* 4 */

        /* Now apply jpeg first; then paint through a g4 mask.
         * For gv, the first image with a b.b. determines the
         * window size for the canvas, so we put down the largest
         * image first.  If we had rendered a small image first,
         * gv and evince will not show the entire page.  However, after
         * conversion to pdf, everything works fine, regardless of the
         * order in which images are placed into the PS.  That is
         * because the pdf interpreter is robust to bad hints, ignoring
         * the page hints and computing the bounding box from the
         * set of images rendered on the page.
         *
         * Concatenate several pages, with colormapped png, color
         * jpeg and tiffg4 images (with the g4 image acting as a mask
         * that we're painting black through.  If the text layer
         * is painted first, the following images occlude it; otherwise,
         * the images remain in the background of the text. */
    pixs = pixRead("wyom.jpg");
    pixt = pixScaleToSize(pixs, 2528, 3300);
    pixWrite("/tmp/regout/psio5.jpg", pixt, IFF_JFIF_JPEG);
    pixDestroy(&pixs);
    pixDestroy(&pixt);
    convertJpegToPS("/tmp/regout/psio5.jpg", "/tmp/regout/psio5.ps",
                      "w", 0, 0, 300, 1.0, 1, 0);
    convertFlateToPS("weasel8.240c.png", "/tmp/regout/psio5.ps",
//.........这里部分代码省略.........