int main(int argc, char **argv) { l_int32 i, j, k, w, h, w2, w4, w8, w16, w32, wpl; l_int32 count1, count2, count3; l_uint32 val32, val1, val2; l_uint32 *data1, *line1, *data2, *line2; void **lines1, **linet1, **linet2; PIX *pixs, *pix1, *pix2; L_REGPARAMS *rp; if (regTestSetup(argc, argv, &rp)) return 1; pixs = pixRead("feyn-fract.tif"); pixGetDimensions(pixs, &w, &h, NULL); data1 = pixGetData(pixs); wpl = pixGetWpl(pixs); lines1 = pixGetLinePtrs(pixs, NULL); /* Get timing for the 3 different methods */ startTimer(); for (k = 0; k < 10; k++) { count1 = 0; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { if (GET_DATA_BIT(lines1[i], j)) count1++; } } } fprintf(stderr, "Time with line ptrs = %5.3f sec, count1 = %d\n", stopTimer(), count1); startTimer(); for (k = 0; k < 10; k++) { count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; for (j = 0; j < w; j++) { if (l_getDataBit(line1, j)) count2++; } } } fprintf(stderr, "Time with l_get* = %5.3f sec, count2 = %d\n", stopTimer(), count2); startTimer(); for (k = 0; k < 10; k++) { count3 = 0; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { pixGetPixel(pixs, j, i, &val32); count3 += val32; } } } fprintf(stderr, "Time with pixGetPixel() = %5.3f sec, count3 = %d\n", stopTimer(), count3); pix1 = pixCreateTemplate(pixs); linet1 = pixGetLinePtrs(pix1, NULL); pix2 = pixCreateTemplate(pixs); data2 = pixGetData(pix2); linet2 = pixGetLinePtrs(pix2, NULL); /* ------------------------------------------------- */ /* Test different methods for 1 bpp */ /* ------------------------------------------------- */ count1 = 0; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { val1 = GET_DATA_BIT(lines1[i], j); count1 += val1; if (val1) SET_DATA_BIT(linet1[i], j); } } count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w; j++) { val2 = l_getDataBit(line1, j); count2 += val2; if (val2) l_setDataBit(line2, j); } } CompareResults(pixs, pix1, pix2, count1, count2, "1 bpp", rp); /* ------------------------------------------------- */ /* Test different methods for 2 bpp */ /* ------------------------------------------------- */ count1 = 0; w2 = w / 2; for (i = 0; i < h; i++) { for (j = 0; j < w2; j++) { val1 = GET_DATA_DIBIT(lines1[i], j); count1 += val1; val1 += 0xbbbbbbbc; SET_DATA_DIBIT(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w2; j++) { val2 = l_getDataDibit(line1, j); count2 += val2; val2 += 0xbbbbbbbc; l_setDataDibit(line2, j, val2); } } CompareResults(pixs, pix1, pix2, count1, count2, "2 bpp", rp); /* ------------------------------------------------- */ /* Test different methods for 4 bpp */ /* ------------------------------------------------- */ count1 = 0; w4 = w / 4; for (i = 0; i < h; i++) { for (j = 0; j < w4; j++) { val1 = GET_DATA_QBIT(lines1[i], j); count1 += val1; val1 += 0xbbbbbbb0; SET_DATA_QBIT(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w4; j++) { val2 = l_getDataQbit(line1, j); count2 += val2; val2 += 0xbbbbbbb0; l_setDataQbit(line2, j, val2); } } CompareResults(pixs, pix1, pix2, count1, count2, "4 bpp", rp); /* ------------------------------------------------- */ /* Test different methods for 8 bpp */ /* ------------------------------------------------- */ count1 = 0; w8 = w / 8; for (i = 0; i < h; i++) { for (j = 0; j < w8; j++) { val1 = GET_DATA_BYTE(lines1[i], j); count1 += val1; val1 += 0xbbbbbb00; SET_DATA_BYTE(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w8; j++) { val2 = l_getDataByte(line1, j); count2 += val2; val2 += 0xbbbbbb00; l_setDataByte(line2, j, val2); } } CompareResults(pixs, pix1, pix2, count1, count2, "8 bpp", rp); /* ------------------------------------------------- */ /* Test different methods for 16 bpp */ /* ------------------------------------------------- */ count1 = 0; w16 = w / 16; for (i = 0; i < h; i++) { for (j = 0; j < w16; j++) { val1 = GET_DATA_TWO_BYTES(lines1[i], j); count1 += val1; val1 += 0xbbbb0000; SET_DATA_TWO_BYTES(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w16; j++) { val2 = l_getDataTwoBytes(line1, j); count2 += val2; val2 += 0xbbbb0000; l_setDataTwoBytes(line2, j, val2); } } CompareResults(pixs, pix1, pix2, count1, count2, "16 bpp", rp); /* ------------------------------------------------- */ /* Test different methods for 32 bpp */ /* ------------------------------------------------- */ count1 = 0; w32 = w / 32; for (i = 0; i < h; i++) { for (j = 0; j < w32; j++) { val1 = GET_DATA_FOUR_BYTES(lines1[i], j); count1 += val1 & 0xfff; SET_DATA_FOUR_BYTES(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line1 = data1 + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w32; j++) { val2 = l_getDataFourBytes(line1, j); count2 += val2 & 0xfff; l_setDataFourBytes(line2, j, val2); } } CompareResults(pixs, pix1, pix2, count1, count2, "32 bpp", rp); pixDestroy(&pixs); pixDestroy(&pix1); pixDestroy(&pix2); lept_free(lines1); lept_free(linet1); lept_free(linet2); return regTestCleanup(rp); }
main(int argc, char **argv) { l_int32 x, y, i, j, k, w, h, w2, w4, w8, w16, w32, wpl, nerrors; l_int32 count1, count2, count3, ret, val1, val2; l_uint32 val32; l_uint32 *data, *line, *line1, *line2, *data1, *data2; void **lines1, **linet1, **linet2; PIX *pixs, *pixt1, *pixt2; static char mainName[] = "lowaccess_reg"; pixs = pixRead("feyn.tif"); /* width divisible by 16 */ pixGetDimensions(pixs, &w, &h, NULL); data = pixGetData(pixs); wpl = pixGetWpl(pixs); lines1 = pixGetLinePtrs(pixs, NULL); /* Get timing for the 3 different methods */ startTimer(); for (k = 0; k < 10; k++) { count1 = 0; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { if (GET_DATA_BIT(lines1[i], j)) count1++; } } } fprintf(stderr, "Time with line ptrs = %5.3f sec, count1 = %d\n", stopTimer(), count1); startTimer(); for (k = 0; k < 10; k++) { count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; for (j = 0; j < w; j++) { if (l_getDataBit(line, j)) count2++; } } } fprintf(stderr, "Time with l_get* = %5.3f sec, count2 = %d\n", stopTimer(), count2); startTimer(); for (k = 0; k < 10; k++) { count3 = 0; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { pixGetPixel(pixs, j, i, &val32); count3 += val32; } } } fprintf(stderr, "Time with pixGetPixel() = %5.3f sec, count3 = %d\n", stopTimer(), count3); pixt1 = pixCreateTemplate(pixs); data1 = pixGetData(pixt1); linet1 = pixGetLinePtrs(pixt1, NULL); pixt2 = pixCreateTemplate(pixs); data2 = pixGetData(pixt2); linet2 = pixGetLinePtrs(pixt2, NULL); nerrors = 0; /* Test different methods for 1 bpp */ count1 = 0; for (i = 0; i < h; i++) { for (j = 0; j < w; j++) { val1 = GET_DATA_BIT(lines1[i], j); count1 += val1; if (val1) SET_DATA_BIT(linet1[i], j); } } count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w; j++) { val2 = l_getDataBit(line, j); count2 += val2; if (val2) l_setDataBit(line2, j); } } ret = compareResults(pixs, pixt1, pixt2, count1, count2, "1 bpp"); nerrors += ret; /* Test different methods for 2 bpp */ count1 = 0; w2 = w / 2; for (i = 0; i < h; i++) { for (j = 0; j < w2; j++) { val1 = GET_DATA_DIBIT(lines1[i], j); count1 += val1; val1 += 0xbbbbbbbc; SET_DATA_DIBIT(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w2; j++) { val2 = l_getDataDibit(line, j); count2 += val2; val2 += 0xbbbbbbbc; l_setDataDibit(line2, j, val2); } } ret = compareResults(pixs, pixt1, pixt2, count1, count2, "2 bpp"); nerrors += ret; /* Test different methods for 4 bpp */ count1 = 0; w4 = w / 4; for (i = 0; i < h; i++) { for (j = 0; j < w4; j++) { val1 = GET_DATA_QBIT(lines1[i], j); count1 += val1; val1 += 0xbbbbbbb0; SET_DATA_QBIT(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w4; j++) { val2 = l_getDataQbit(line, j); count2 += val2; val2 += 0xbbbbbbb0; l_setDataQbit(line2, j, val2); } } ret = compareResults(pixs, pixt1, pixt2, count1, count2, "4 bpp"); nerrors += ret; /* Test different methods for 8 bpp */ count1 = 0; w8 = w / 8; for (i = 0; i < h; i++) { for (j = 0; j < w8; j++) { val1 = GET_DATA_BYTE(lines1[i], j); count1 += val1; val1 += 0xbbbbbb00; SET_DATA_BYTE(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w8; j++) { val2 = l_getDataByte(line, j); count2 += val2; val2 += 0xbbbbbb00; l_setDataByte(line2, j, val2); } } ret = compareResults(pixs, pixt1, pixt2, count1, count2, "8 bpp"); nerrors += ret; /* Test different methods for 16 bpp */ count1 = 0; w16 = w / 16; for (i = 0; i < h; i++) { for (j = 0; j < w16; j++) { val1 = GET_DATA_TWO_BYTES(lines1[i], j); count1 += val1; val1 += 0xbbbb0000; SET_DATA_TWO_BYTES(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w16; j++) { val2 = l_getDataTwoBytes(line, j); count2 += val2; val2 += 0xbbbb0000; l_setDataTwoBytes(line2, j, val2); } } ret = compareResults(pixs, pixt1, pixt2, count1, count2, "16 bpp"); nerrors += ret; /* Test different methods for 32 bpp */ count1 = 0; w32 = w / 32; for (i = 0; i < h; i++) { for (j = 0; j < w32; j++) { val1 = GET_DATA_FOUR_BYTES(lines1[i], j); count1 += val1 & 0xfff; SET_DATA_FOUR_BYTES(linet1[i], j, val1); } } count2 = 0; for (i = 0; i < h; i++) { line = data + i * wpl; line2 = data2 + i * wpl; for (j = 0; j < w32; j++) { val2 = l_getDataFourBytes(line, j); count2 += val2 & 0xfff; l_setDataFourBytes(line2, j, val2); } } ret = compareResults(pixs, pixt1, pixt2, count1, count2, "32 bpp"); nerrors += ret; if (!nerrors) fprintf(stderr, "**** No errors ****\n"); else fprintf(stderr, "**** %d errors found! ****\n", nerrors); pixDestroy(&pixs); pixDestroy(&pixt1); pixDestroy(&pixt2); lept_free(lines1); lept_free(linet1); lept_free(linet2); return 0; }