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Diffstat (limited to 'leptonica/prog/pdfio1_reg.c')
| -rw-r--r-- | leptonica/prog/pdfio1_reg.c | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/leptonica/prog/pdfio1_reg.c b/leptonica/prog/pdfio1_reg.c new file mode 100644 index 00000000..1d93b491 --- /dev/null +++ b/leptonica/prog/pdfio1_reg.c @@ -0,0 +1,318 @@ +/*====================================================================* + - Copyright (C) 2001 Leptonica. All rights reserved. + - + - Redistribution and use in source and binary forms, with or without + - modification, are permitted provided that the following conditions + - are met: + - 1. Redistributions of source code must retain the above copyright + - notice, this list of conditions and the following disclaimer. + - 2. Redistributions in binary form must reproduce the above + - copyright notice, this list of conditions and the following + - disclaimer in the documentation and/or other materials + - provided with the distribution. + - + - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + - ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + - A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANY + - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY + - OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + *====================================================================*/ + +/* + * pdfio1_reg.c + * + * Basic high-level interface tests + * Single images + * Multiple images + * Segmented images, with and without colormaps + * 1 bpp images + * + * Low-level interface tests for 1 bpp images + */ + +#ifdef HAVE_CONFIG_H +#include <config_auto.h> +#endif /* HAVE_CONFIG_H */ + +#include <string.h> +#include "allheaders.h" + +int main(int argc, + char **argv) +{ +l_uint8 *data8; +l_int32 i, j, seq; +size_t nbytes; +const char *title; +BOX *box; +L_COMP_DATA *cid; +L_PDF_DATA *lpd; +PIX *pix1, *pix2, *pix3; +PIX *pixs, *pixt, *pixg, *pixgc, *pixc; +PIXCMAP *cmap; +L_REGPARAMS *rp; + +#if !defined(HAVE_LIBPNG) + L_ERROR("This test requires libpng to run.\n", "pdfio1_reg"); + exit(77); +#endif +#if !defined(HAVE_LIBJPEG) + L_ERROR("This test requires libjpeg to run.\n", "pdfio1_reg"); + exit(77); +#endif +#if !defined(HAVE_LIBTIFF) + L_ERROR("This test requires libtiff to run.\n", "pdfio1_reg"); + exit(77); +#endif + + if (regTestSetup(argc, argv, &rp)) + return 1; + + l_pdfSetDateAndVersion(0); + lept_mkdir("lept/pdf1"); + +#if 1 + /* --------------- Single image tests ------------------- */ + lept_stderr("\n*** Writing single images as pdf files\n"); + convertToPdf("weasel2.4c.png", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file00.pdf", + 0, 0, 72, "weasel2.4c.png", NULL, 0); + convertToPdf("test24.jpg", L_JPEG_ENCODE, 0, "/tmp/lept/pdf1/file01.pdf", + 0, 0, 72, "test24.jpg", NULL, 0); + convertToPdf("feyn.tif", L_G4_ENCODE, 0, "/tmp/lept/pdf1/file02.pdf", + 0, 0, 300, "feyn.tif", NULL, 0); + + pixs = pixRead("feyn.tif"); + pixConvertToPdf(pixs, L_G4_ENCODE, 0, "/tmp/lept/pdf1/file03.pdf", 0, 0, 300, + "feyn.tif", NULL, 0); + pixDestroy(&pixs); + + pixs = pixRead("test24.jpg"); + pixConvertToPdf(pixs, L_JPEG_ENCODE, 5, "/tmp/lept/pdf1/file04.pdf", + 0, 0, 72, "test24.jpg", NULL, 0); + pixDestroy(&pixs); + + pixs = pixRead("feyn.tif"); + pixt = pixScaleToGray2(pixs); + pixWrite("/tmp/lept/pdf1/feyn8.png", pixt, IFF_PNG); + convertToPdf("/tmp/lept/pdf1/feyn8.png", L_JPEG_ENCODE, 0, + "/tmp/lept/pdf1/file05.pdf", 0, 0, 150, "feyn8.png", NULL, 0); + pixDestroy(&pixs); + pixDestroy(&pixt); + + convertToPdf("weasel4.16g.png", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file06.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/pdf1/pix32.jpg", pixc, IFF_JFIF_JPEG); + pixWrite("/tmp/lept/pdf1/pix8.jpg", pixgc, IFF_JFIF_JPEG); + convertToPdf("/tmp/lept/pdf1/pix32.jpg", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file07.pdf", 0, 0, 72, "pix32.jpg", NULL, 0); + convertToPdf("/tmp/lept/pdf1/pix8.jpg", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file08.pdf", 0, 0, 72, "pix8.jpg", NULL, 0); + pixDestroy(&pixs); + pixDestroy(&pixg); + pixDestroy(&pixc); + pixDestroy(&pixgc); + boxDestroy(&box); +#endif + + +#if 1 + /* --------------- Multiple image tests ------------------- */ + lept_stderr("\n*** Writing multiple images as single page pdf files\n"); + pix1 = pixRead("feyn-fract.tif"); + pix2 = pixRead("weasel8.240c.png"); + + /* 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/pdf1/file09.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/pdf1/file10.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 -------- */ + lept_stderr("\n*** Writing segmented images without image regions\n"); + pix1 = pixRead("rabi.png"); + pix2 = pixScaleToGray2(pix1); + pixWrite("/tmp/lept/pdf1/rabi8.jpg", pix2, IFF_JFIF_JPEG); + pix3 = pixThresholdTo4bpp(pix2, 16, 1); + pixWrite("/tmp/lept/pdf1/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/pdf1/file11.pdf"); + convertToPdfSegmented("rabi.png", 300, L_JPEG_ENCODE, 128, NULL, 0, 0, + NULL, "/tmp/lept/pdf1/file12.pdf"); + convertToPdfSegmented("rabi.png", 300, L_FLATE_ENCODE, 128, NULL, 0, 0, + NULL, "/tmp/lept/pdf1/file13.pdf"); + + /* 8 bpp input, no cmap */ + convertToPdfSegmented("/tmp/lept/pdf1/rabi8.jpg", 150, L_G4_ENCODE, 128, + NULL, 0, 0, NULL, "/tmp/lept/pdf1/file14.pdf"); + convertToPdfSegmented("/tmp/lept/pdf1/rabi8.jpg", 150, L_JPEG_ENCODE, 128, + NULL, 0, 0, NULL, "/tmp/lept/pdf1/file15.pdf"); + convertToPdfSegmented("/tmp/lept/pdf1/rabi8.jpg", 150, L_FLATE_ENCODE, 128, + NULL, 0, 0, NULL, "/tmp/lept/pdf1/file16.pdf"); + + /* 4 bpp input, cmap */ + convertToPdfSegmented("/tmp/lept/pdf1/rabi4.png", 150, L_G4_ENCODE, 128, + NULL, 0, 0, NULL, "/tmp/lept/pdf1/file17.pdf"); + convertToPdfSegmented("/tmp/lept/pdf1/rabi4.png", 150, L_JPEG_ENCODE, 128, + NULL, 0, 0, NULL, "/tmp/lept/pdf1/file18.pdf"); + convertToPdfSegmented("/tmp/lept/pdf1/rabi4.png", 150, L_FLATE_ENCODE, 128, + NULL, 0, 0, NULL, "/tmp/lept/pdf1/file19.pdf"); + +#endif + +#if 1 + /* ---------- Generating from 1 bpp images (high-level) -------------- */ + lept_stderr("\n*** Writing 1 bpp images as pdf files (high-level)\n"); + pix1 = pixRead("feyn-fract.tif"); + pixWrite("/tmp/lept/pdf1/feyn-nocmap.png", pix1, IFF_PNG); + pix2 = pixCopy(NULL, pix1); + cmap = pixcmapCreate(1); + pixcmapAddColor(cmap, 0, 0, 0); /* with cmap: black bg, white letters */ + pixcmapAddColor(cmap, 255, 255, 255); + pixSetColormap(pix2, cmap); + pixWrite("/tmp/lept/pdf1/feyn-cmap1.png", pix2, IFF_PNG); + cmap = pixcmapCreate(1); + pixcmapAddColor(cmap, 200, 0, 0); /* with cmap: red bg, white letters */ + pixcmapAddColor(cmap, 255, 255, 255); + pixSetColormap(pix1, cmap); + pixWrite("/tmp/lept/pdf1/feyn-cmap2.png", pix1, IFF_PNG); + + convertToPdf("/tmp/lept/pdf1/feyn-nocmap.png", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file20.pdf", + 0, 0, 0, NULL, NULL, 0); + convertToPdf("/tmp/lept/pdf1/feyn-cmap1.png", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file21.pdf", + 0, 0, 0, NULL, NULL, 0); + convertToPdf("/tmp/lept/pdf1/feyn-cmap2.png", L_FLATE_ENCODE, 0, + "/tmp/lept/pdf1/file22.pdf", + 0, 0, 0, NULL, NULL, 0); + pixDestroy(&pix1); + pixDestroy(&pix2); +#endif + +#if 1 + /* ---------- Generating from 1 bpp images (low-level) -------------- */ + lept_stderr("\n*** Writing 1 bpp images as pdf files (low-level)\n"); + pix1 = pixRead("cat-and-mouse.png"); + pix2 = pixConvertRGBToCmapLossless(pix1); /* restore the cmap */ + + /* Add a black/white colormap */ + cmap = pixcmapCreate(1); + pixcmapAddColor(cmap, 255, 255, 255); /* white = 0 */ + pixcmapAddColor(cmap, 0, 0, 0); /* black = 1 */ + pixSetColormap(pix2, cmap); /* replace with a b/w colormap */ + pixWrite("/tmp/lept/pdf1/cat-and-mouse-cmap1.png", pix2, IFF_PNG); + + /* Generate a pdf from this pix. The pdf has the colormap */ + pixGenerateCIData(pix2, L_FLATE_ENCODE, 0, 0, &cid); + lept_stderr(" Should have 2 colors: %d\n", cid->ncolors); + cidConvertToPdfData(cid, "with colormap", &data8, &nbytes); + l_binaryWrite("/tmp/lept/pdf1/file23.pdf", "w", data8, nbytes); + lept_free(data8); + + /* Generate a pdf from the colormap file: + * l_generateCIDataForPdf() calls l_generateFlateDataPdf() + * which calls pixRead(), removing the cmap */ + l_generateCIDataForPdf("/tmp/lept/pdf1/cat-and-mouse-cmap1.png", + NULL, 75, &cid); + lept_stderr(" Should have 0 colors: %d\n", cid->ncolors); + cidConvertToPdfData(cid, "no colormap", &data8, &nbytes); + l_binaryWrite("/tmp/lept/pdf1/file24.pdf", "w", data8, nbytes); + lept_free(data8); + + /* Use an arbitrary colormap */ + cmap = pixcmapCreate(1); + pixcmapAddColor(cmap, 254, 240, 185); // yellow + pixcmapAddColor(cmap, 50, 50, 130); // blue + pixSetColormap(pix2, cmap); + pixWrite("/tmp/lept/pdf1/cat-and-mouse-cmap2.png", pix2, IFF_PNG); + + /* Generate a pdf from this pix. The pdf has the colormap. */ + pixGenerateCIData(pix2, L_FLATE_ENCODE, 0, 0, &cid); + lept_stderr(" Should have 2 colors: %d\n", cid->ncolors); + cidConvertToPdfData(cid, "with colormap", &data8, &nbytes); + l_binaryWrite("/tmp/lept/pdf1/file25.pdf", "w", data8, nbytes); + lept_free(data8); + + /* Generate a pdf from the cmap file. No cmap in the pdf. */ + l_generateCIDataForPdf("/tmp/lept/pdf1/cat-and-mouse-cmap2.png", + NULL, 75, &cid); + lept_stderr(" Should have 0 colors: %d\n", cid->ncolors); + cidConvertToPdfData(cid, "no colormap", &data8, &nbytes); + l_binaryWrite("/tmp/lept/pdf1/file26.pdf", "w", data8, nbytes); + lept_free(data8); + pixDestroy(&pix1); + pixDestroy(&pix2); +#endif + + regTestCheckFile(rp, "/tmp/lept/pdf1/file00.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file01.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file02.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file03.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file04.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file05.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file06.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file07.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file08.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file09.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file10.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file11.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file12.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file13.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file14.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file15.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file16.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file17.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file18.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file19.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file20.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file21.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file22.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file23.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file24.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file25.pdf"); + regTestCheckFile(rp, "/tmp/lept/pdf1/file26.pdf"); + return regTestCleanup(rp); +} |