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Diffstat (limited to 'Build/source/texk/dvipdfm-x/src/xbb.c')
-rw-r--r--Build/source/texk/dvipdfm-x/src/xbb.c343
1 files changed, 343 insertions, 0 deletions
diff --git a/Build/source/texk/dvipdfm-x/src/xbb.c b/Build/source/texk/dvipdfm-x/src/xbb.c
new file mode 100644
index 00000000000..c5fd0f22094
--- /dev/null
+++ b/Build/source/texk/dvipdfm-x/src/xbb.c
@@ -0,0 +1,343 @@
+/*
+
+ This is extractbb, a bounding box extraction program.
+
+ Copyright (C) 2009-2012 by Jin-Hwan Cho and Matthias Franz
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <stdio.h>
+#include <time.h>
+#include <string.h>
+
+#include "numbers.h"
+#include "system.h"
+#include "mem.h"
+#include "error.h"
+#include "mfileio.h"
+#include "pdfobj.h"
+#include "pdfdev.h"
+#include "pdfdoc.h"
+#include "pdfparse.h"
+
+#include "config.h"
+
+#include "jpegimage.h"
+#include "pngimage.h"
+
+#include "dvipdfmx.h"
+#include "xbb.h"
+
+#define XBB_PROGRAM "extractbb"
+#define XBB_VERSION VERSION
+
+static int really_quiet = 0;
+
+static void show_version(void)
+{
+ if (really_quiet) return;
+
+ fprintf(stdout, "%s, version %s, Copyright (C) 2009 by Jin-Hwan Cho and Matthias Franz\n", XBB_PROGRAM, XBB_VERSION);
+ fprintf(stdout, "A bounding box extraction utility from PDF, PNG, and JPEG.\n");
+ fprintf(stdout, "\nThis is free software; you can redistribute it and/or modify\n");
+ fprintf(stdout, "it under the terms of the GNU General Public License as published by\n");
+ fprintf(stdout, "the Free Software Foundation; either version 2 of the License, or\n");
+ fprintf(stdout, "(at your option) any later version.\n");
+}
+
+static void show_usage(void)
+{
+ if (really_quiet) return;
+
+ fprintf(stdout, "\nUsage: %s [-v|-q] [-O] [-m|-x] [files]\n", XBB_PROGRAM);
+ fprintf(stdout, "\t-v\tBe verbose\n");
+ fprintf(stdout, "\t-q\tBe quiet\n");
+ fprintf(stdout, "\t-O\tWrite output to stdout\n");
+ if(compat_mode) {
+ fprintf(stdout, "\t-m\tOutput .bb file used in DVIPDFM (default)\n");
+ fprintf(stdout, "\t-x\tOutput .xbb file used in DVIPDFMx\n");
+ } else {
+ fprintf(stdout, "\t-m\tOutput .bb file used in DVIPDFM\n");
+ fprintf(stdout, "\t-x\tOutput .xbb file used in DVIPDFMx (default)\n");
+ }
+}
+
+static void usage(void)
+{
+ if (really_quiet) return;
+
+ fprintf(stdout, "\nTry \"%s --help\" for more information.\n", XBB_PROGRAM);
+ exit(1);
+}
+
+static char verbose = 0;
+
+static void do_time(FILE *file)
+{
+ time_t current_time;
+ struct tm *bd_time;
+
+ time(&current_time);
+ bd_time = localtime(&current_time);
+ fprintf(file, "%%%%CreationDate: %s\n", asctime(bd_time));
+}
+
+const char *extensions[] = {
+ ".jpeg", ".JPEG", ".jpg", ".JPG", ".pdf", ".PDF", ".png", ".PNG"
+};
+
+static int xbb_to_file = 1;
+
+static char *make_xbb_filename(const char *name)
+{
+ int i;
+ char *result;
+
+ for (i = 0; i < sizeof(extensions) / sizeof(extensions[0]); i++) {
+ if (strlen(extensions[i]) < strlen(name) &&
+ strncmp(name+strlen(name)-strlen(extensions[i]), extensions[i], strlen(extensions[i])) == 0)
+ break;
+ }
+ if (i == sizeof(extensions) / sizeof(extensions[0])) {
+ WARN("%s: Filename does not end in a recognizable extension.\n", name);
+ result = NEW(strlen(name)+5, char); /* 5 = ".xbb" + trailing 0 */
+ strcpy(result, name);
+ } else { /* Remove extension */
+ result = NEW(strlen(name)-strlen(extensions[i])+5, char); /* 5 = ".xbb" + trailing 0 */
+ strncpy(result, name, strlen(name)-strlen(extensions[i]));
+ result[strlen(name)-strlen(extensions[i])] = 0;
+ }
+ strcat(result, (!compat_mode ? ".xbb" : ".bb"));
+ return result;
+}
+
+static void write_xbb(char *fname,
+ double bbllx_f, double bblly_f,
+ double bburx_f, double bbury_f,
+ int pdf_version, long pagecount)
+{
+ char *outname = NULL;
+ FILE *fp;
+
+ long bbllx = ROUND(bbllx_f, 1.0), bblly = ROUND(bblly_f, 1.0);
+ long bburx = ROUND(bburx_f, 1.0), bbury = ROUND(bbury_f, 1.0);
+
+ if (xbb_to_file) {
+ outname = make_xbb_filename(fname);
+ if ((fp = MFOPEN(outname, FOPEN_W_MODE)) == NULL) {
+ ERROR("Unable to open output file: %s\n", outname);
+ }
+ } else {
+ fp = stdout;
+#ifdef WIN32
+ setmode(fileno(fp), _O_BINARY);
+#endif
+ }
+
+ if (verbose) {
+ MESG("Writing to %s: ", xbb_to_file ? outname : "stdout");
+ MESG("Bounding box: %d %d %d %d\n", bbllx, bblly, bburx, bbury);
+ }
+
+ fprintf(fp, "%%%%Title: %s\n", fname);
+ fprintf(fp, "%%%%Creator: %s %s\n", XBB_PROGRAM, XBB_VERSION);
+ fprintf(fp, "%%%%BoundingBox: %ld %ld %ld %ld\n", bbllx, bblly, bburx, bbury);
+
+ if (!compat_mode) {
+ /* Note:
+ * According to Adobe Technical Note #5644, the arguments to
+ * "%%HiResBoundingBox:" must be of type real. And according
+ * to the PostScript Language Reference, a real number must
+ * be written with a decimal point (or an exponent). Hence
+ * it seems illegal to replace "0.0" by "0".
+ */
+ fprintf(fp, "%%%%HiResBoundingBox: %f %f %f %f\n",
+ bbllx_f, bblly_f, bburx_f, bbury_f);
+ if (pdf_version >= 0) {
+ fprintf(fp, "%%%%PDFVersion: 1.%d\n", pdf_version);
+ fprintf(fp, "%%%%Pages: %ld\n", pagecount);
+ }
+ }
+
+ do_time(fp);
+
+ if (xbb_to_file) {
+ RELEASE(outname);
+ MFCLOSE(fp);
+ }
+}
+
+static void do_jpeg (FILE *fp, char *filename)
+{
+ long width, height;
+ double xdensity, ydensity;
+
+ if (jpeg_get_bbox(fp, &width, &height, &xdensity, &ydensity) < 0) {
+ WARN("%s does not look like a JPEG file...\n", filename);
+ return;
+ }
+
+ write_xbb(filename, 0, 0, xdensity*width, ydensity*height, -1, -1);
+ return;
+}
+
+#ifdef HAVE_LIBPNG
+
+static void do_png (FILE *fp, char *filename)
+{
+ long width, height;
+ double xdensity, ydensity;
+
+ if (png_get_bbox(fp, &width, &height, &xdensity, &ydensity) < 0) {
+ WARN("%s does not look like a PNG file...\n", filename);
+ return;
+ }
+
+ write_xbb(filename, 0, 0, xdensity*width, ydensity*height, -1, -1);
+ return;
+}
+
+#endif /* HAVE_LIBPNG */
+
+static void do_pdf (FILE *fp, char *filename)
+{
+ pdf_obj *page;
+ pdf_file *pf;
+ long page_no = 1;
+ long count;
+ pdf_rect bbox;
+
+ pf = pdf_open(filename, fp);
+ if (!pf) {
+ WARN("%s does not look like a PDF file...\n", filename);
+ return;
+ }
+
+ page = pdf_doc_get_page(pf, page_no, &count, &bbox, NULL);
+
+ pdf_close(pf);
+
+ if (!page)
+ return;
+
+ pdf_release_obj(page);
+ write_xbb(filename, bbox.llx, bbox.lly, bbox.urx, bbox.ury,
+ pdf_file_get_version(pf), count);
+}
+
+int extractbb (int argc, char *argv[])
+{
+ pdf_files_init();
+
+ pdf_set_version(5);
+
+ kpse_set_program_name(argv[0], NULL);
+
+ argc -= 1; argv += 1;
+ if (argc == 0)
+ usage();
+
+ while (argc > 0 && *argv[0] == '-') {
+ char *flag = argv[0] + 1;
+ switch (*flag) {
+ case '-':
+ if (++flag) {
+ if (!strcmp(flag, "help")) {
+ show_version();
+ show_usage();
+ exit(0);
+ } else if (!strcmp(flag, "version")) {
+ show_version();
+ exit(0);
+ }
+ }
+ if (!really_quiet)
+ fprintf(stderr, "Unknown option in \"--%s\"", flag);
+ usage();
+ break;
+ case 'O':
+ xbb_to_file = 0;
+ argc -= 1; argv += 1;
+ break;
+ case 'm':
+ compat_mode = 1;
+ argc -= 1; argv += 1;
+ break;
+ case 'x':
+ compat_mode = 0;
+ argc -= 1; argv += 1;
+ break;
+ case 'v':
+ verbose = 1;
+ argc -= 1; argv += 1;
+ break;
+ case 'h':
+ usage();
+ argc -= 1; argv += 1;
+ break;
+ case 'q':
+ really_quiet = 1;
+ shut_up();
+ argc -= 1; argv += 1;
+ break;
+ case 'b':
+ if (compat_mode) {
+ /* ignore obsolete "binary mode" option */
+ argc -= 1; argv += 1;
+ break;
+ }
+ /* else fall through */
+ default:
+ if (!really_quiet)
+ fprintf(stderr, "Unknown option in \"-%s\"", flag);
+ usage();
+ }
+ }
+
+ for (; argc > 0; argc--, argv++) {
+ FILE *infile = NULL;
+ char *kpse_file_name;
+ if (!(kpse_file_name = kpse_find_pict(argv[0])) ||
+ (infile = MFOPEN(kpse_file_name, FOPEN_RBIN_MODE)) == NULL) {
+ WARN("Can't find file (%s)...skipping\n", argv[0]);
+ goto cont;
+ }
+ if (check_for_jpeg(infile)) {
+ do_jpeg(infile, kpse_file_name);
+ goto cont;
+ }
+ if (check_for_pdf(infile)) {
+ do_pdf(infile, kpse_file_name);
+ goto cont;
+ }
+#ifdef HAVE_LIBPNG
+ if (check_for_png(infile)) {
+ do_png(infile, kpse_file_name);
+ goto cont;
+ }
+#endif /* HAVE_LIBPNG */
+ WARN("Can't handle file type for file named %s\n", argv[0]);
+ cont:
+ if (kpse_file_name)
+ RELEASE(kpse_file_name);
+ if (infile)
+ MFCLOSE(infile);
+ }
+
+ pdf_files_close();
+
+ return 0;
+}
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