/*!
* \brief l_genDataString()
*
* \param[in] filein input file of serialized data
* \param[in] ifunc index into set of functions in output file
* \return encoded ascii data string, or NULL on error reading from file
*/
static char *
l_genDataString(const char *filein,
l_int32 ifunc)
{
char buf[80];
char *cdata1, *cdata2, *cdata3;
l_uint8 *data1, *data2;
l_int32 csize1, csize2;
size_t size1, size2;
SARRAY *sa;
PROCNAME("l_genDataString");
if (!filein)
return (char *)ERROR_PTR("filein not defined", procName, NULL);
/* Read it in, gzip it, encode, and reformat. We gzip because some
* serialized data has a significant amount of ascii content. */
if ((data1 = l_binaryRead(filein, &size1)) == NULL)
return (char *)ERROR_PTR("bindata not returned", procName, NULL);
data2 = zlibCompress(data1, size1, &size2);
cdata1 = encodeBase64(data2, size2, &csize1);
cdata2 = reformatPacked64(cdata1, csize1, 4, 72, 1, &csize2);
LEPT_FREE(data1);
LEPT_FREE(data2);
LEPT_FREE(cdata1);
/* Prepend the string declaration signature and put it together */
sa = sarrayCreate(3);
snprintf(buf, sizeof(buf), "static const char *l_strdata_%d =\n", ifunc);
sarrayAddString(sa, buf, L_COPY);
sarrayAddString(sa, cdata2, L_INSERT);
sarrayAddString(sa, (char *)";\n", L_COPY);
cdata3 = sarrayToString(sa, 0);
sarrayDestroy(&sa);
return cdata3;
}
int main(int argc,
char **argv)
{
char buf[512];
char *pathname, *datastr, *formstr;
l_uint8 *data1, *data2;
l_int32 i, bl1, bl2, bl3, sbytes, formbytes, fontsize, rbytes;
size_t nbytes;
PIX *pix1, *pix2, *pixd;
PIXA *pixa;
L_REGPARAMS *rp;
if (regTestSetup(argc, argv, &rp))
return 1;
/* ------------ Generate pixa char bitmap files from file ----------- */
lept_rmdir("filefonts");
lept_mkdir("filefonts");
for (i = 0; i < 9; i++) {
pixaSaveFont("fonts", "/tmp/filefonts", sizes[i]);
pathname = genPathname("/tmp/filefonts", outputfonts[i]);
pixa = pixaRead(pathname);
if (rp->display) {
fprintf(stderr, "Found %d chars in font size %d\n",
pixaGetCount(pixa), sizes[i]);
}
pixd = pixaDisplayTiled(pixa, 1500, 0, 15);
regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 0 - 8 */
if (i == 2) pixDisplayWithTitle(pixd, 100, 0, NULL, rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
lept_free(pathname);
}
lept_rmdir("filefonts");
/* ---------- Generate pixa char bitmap files from string --------- */
lept_rmdir("strfonts");
lept_mkdir("strfonts");
for (i = 0; i < 9; i++) {
pixaSaveFont(NULL, "/tmp/strfonts", sizes[i]);
pathname = genPathname("/tmp/strfonts", outputfonts[i]);
pixa = pixaRead(pathname);
if (rp->display) {
fprintf(stderr, "Found %d chars in font size %d\n",
pixaGetCount(pixa), sizes[i]);
}
pixd = pixaDisplayTiled(pixa, 1500, 0, 15);
regTestWritePixAndCheck(rp, pixd, IFF_PNG); /* 9 - 17 */
if (i == 2) pixDisplayWithTitle(pixd, 100, 150, NULL, rp->display);
pixDestroy(&pixd);
pixaDestroy(&pixa);
lept_free(pathname);
}
/* ----- Use pixaGetFont() and write the result out -----*/
lept_rmdir("pafonts");
lept_mkdir("pafonts");
for (i = 0; i < 9; i++) {
pixa = pixaGetFont("/tmp/strfonts", sizes[i], &bl1, &bl2, &bl3);
fprintf(stderr, "Baselines are at: %d, %d, %d\n", bl1, bl2, bl3);
snprintf(buf, sizeof(buf), "/tmp/pafonts/chars-%d.pa", sizes[i]);
pixaWrite(buf, pixa);
if (i == 2) {
pixd = pixaDisplayTiled(pixa, 1500, 0, 15);
pixDisplayWithTitle(pixd, 100, 300, NULL, rp->display);
pixDestroy(&pixd);
}
pixaDestroy(&pixa);
}
lept_rmdir("pafonts");
/* ------- Generate 4/3 encoded ascii strings from tiff files ------ */
lept_rmdir("fontencode");
lept_mkdir("fontencode");
for (i = 0; i < 9; i++) {
fontsize = 2 * i + 4;
pathname = genPathname("fonts", inputfonts[i]);
data1 = l_binaryRead(pathname, &nbytes);
datastr = encodeBase64(data1, nbytes, &sbytes);
if (rp->display)
fprintf(stderr, "nbytes = %lu, sbytes = %d\n",
(unsigned long)nbytes, sbytes);
formstr = reformatPacked64(datastr, sbytes, 4, 72, 1, &formbytes);
snprintf(buf, sizeof(buf), "/tmp/fontencode/formstr_%d.txt", fontsize);
l_binaryWrite(buf, "w", formstr, formbytes);
regTestCheckFile(rp, buf); /* 18-26 */
if (i == 8)
pix1 = pixReadMem(data1, nbytes); /* original */
FREE(data1);
data2 = decodeBase64(datastr, sbytes, &rbytes);
snprintf(buf, sizeof(buf), "/tmp/fontencode/image_%d.tif", fontsize);
l_binaryWrite(buf, "w", data2, rbytes);
if (i == 8) {
pix2 = pixReadMem(data2, rbytes); /* encode/decode */
regTestComparePix(rp, pix1, pix2); /* 27 */
pixDestroy(&pix1);
pixDestroy(&pix2);
}
FREE(data2);
FREE(pathname);
FREE(datastr);
FREE(formstr);
}
/* ------------ Get timing for font generation ----------- */
startTimer();
for (i = 0; i < 100; i++) {
pixa = pixaGenerateFontFromString(sizes[5], &bl1, &bl2, &bl3);
pixaDestroy(&pixa);
}
fprintf(stderr, "Time for font gen = %7.4f sec\n", stopTimer() / 100.0);
return regTestCleanup(rp);
}
