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Diffstat (limited to 'Build/source/texk/dvipdfmx/dvipdfmx-20110305/src/epdf.c')
-rw-r--r-- | Build/source/texk/dvipdfmx/dvipdfmx-20110305/src/epdf.c | 208 |
1 files changed, 0 insertions, 208 deletions
diff --git a/Build/source/texk/dvipdfmx/dvipdfmx-20110305/src/epdf.c b/Build/source/texk/dvipdfmx/dvipdfmx-20110305/src/epdf.c deleted file mode 100644 index aa2d8bf80f2..00000000000 --- a/Build/source/texk/dvipdfmx/dvipdfmx-20110305/src/epdf.c +++ /dev/null @@ -1,208 +0,0 @@ -/* $Header: /home/cvsroot/dvipdfmx/src/epdf.c,v 1.30 2009/09/19 18:48:27 matthias Exp $ - - This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks. - - Copyright (C) 2007 by Jin-Hwan Cho and Shunsaku Hirata, - the dvipdfmx project team <dvipdfmx@project.ktug.or.kr> - - Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu> - - 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. -*/ - -/* - * Concatinating content streams are only supported for streams that only uses - * single FlateDecode filter, i.e., - * - * /Filter /FlateDecode or /Filter [/FlateDecode] - * - * TrimBox, BleedBox, ArtBox, Rotate ... - */ - -#if HAVE_CONFIG_H -#include "config.h" -#endif - -#include "system.h" -#include "mem.h" -#include "mfileio.h" -#include "error.h" - -#include "dvipdfmx.h" - -#include "pdfobj.h" -#include "pdfdev.h" -#include "pdfdoc.h" - -#include "pdfximage.h" - -#include "epdf.h" - -int -pdf_include_page (pdf_ximage *ximage, FILE *image_file, const char *filename) -{ - pdf_file *pf; - xform_info info; - pdf_obj *contents = NULL, *catalog; - pdf_obj *page = NULL, *resources = NULL, *markinfo = NULL; - - pf = pdf_open(filename, image_file); - if (!pf) - return -1; - - if (pdf_file_get_version(pf) > pdf_get_version()) - goto too_recent; - - pdf_ximage_init_form_info(&info); - - page = pdf_doc_get_page(pf, pdf_ximage_get_page(ximage), NULL, - &info.bbox, &resources); - - if(!page) - goto error_silent; - - catalog = pdf_file_get_catalog(pf); - markinfo = pdf_deref_obj(pdf_lookup_dict(catalog, "MarkInfo")); - if (markinfo) { - pdf_obj *tmp = pdf_deref_obj(pdf_lookup_dict(markinfo, "Marked")); - pdf_release_obj(markinfo); - if (!PDF_OBJ_BOOLEANTYPE(tmp)) { - if (tmp) - pdf_release_obj(tmp); - goto error; - } else if (pdf_boolean_value(tmp)) - WARN("File contains tagged PDF. Ignoring tags."); - pdf_release_obj(tmp); - } - - contents = pdf_deref_obj(pdf_lookup_dict(page, "Contents")); - pdf_release_obj(page); - - /* - * Handle page content stream. - */ - { - pdf_obj *content_new; - - if (!contents) { - /* - * Empty page - */ - content_new = pdf_new_stream(0); - /* TODO: better don't include anything if the page is empty */ - } else if (PDF_OBJ_STREAMTYPE(contents)) { - /* - * We must import the stream because its dictionary - * may contain indirect references. - */ - content_new = pdf_import_object(contents); - } else if (PDF_OBJ_ARRAYTYPE(contents)) { - /* - * Concatenate all content streams. - */ - int idx, len = pdf_array_length(contents); - content_new = pdf_new_stream(STREAM_COMPRESS); - for (idx = 0; idx < len; idx++) { - pdf_obj *content_seg = pdf_deref_obj(pdf_get_array(contents, idx)); - if (!PDF_OBJ_STREAMTYPE(content_seg) || - pdf_concat_stream(content_new, content_seg) < 0) { - pdf_release_obj(content_seg); - pdf_release_obj(content_new); - goto error; - } - pdf_release_obj(content_seg); - } - } else - goto error; - - if (contents) - pdf_release_obj(contents); - contents = content_new; - } - - /* - * Add entries to contents stream dictionary. - */ - { - pdf_obj *contents_dict, *bbox, *matrix; - - contents_dict = pdf_stream_dict(contents); - pdf_add_dict(contents_dict, - pdf_new_name("Type"), - pdf_new_name("XObject")); - pdf_add_dict(contents_dict, - pdf_new_name("Subtype"), - pdf_new_name("Form")); - pdf_add_dict(contents_dict, - pdf_new_name("FormType"), - pdf_new_number(1.0)); - - bbox = pdf_new_array(); - pdf_add_array(bbox, pdf_new_number(info.bbox.llx)); - pdf_add_array(bbox, pdf_new_number(info.bbox.lly)); - pdf_add_array(bbox, pdf_new_number(info.bbox.urx)); - pdf_add_array(bbox, pdf_new_number(info.bbox.ury)); - - pdf_add_dict(contents_dict, pdf_new_name("BBox"), bbox); - - matrix = pdf_new_array(); - pdf_add_array(matrix, pdf_new_number(1.0)); - pdf_add_array(matrix, pdf_new_number(0.0)); - pdf_add_array(matrix, pdf_new_number(0.0)); - pdf_add_array(matrix, pdf_new_number(1.0)); - pdf_add_array(matrix, pdf_new_number(0.0)); - pdf_add_array(matrix, pdf_new_number(0.0)); - - pdf_add_dict(contents_dict, pdf_new_name("Matrix"), matrix); - - pdf_add_dict(contents_dict, - pdf_new_name("Resources"), - pdf_import_object(resources)); - pdf_release_obj(resources); - } - - pdf_close(pf); - - pdf_ximage_set_form(ximage, &info, contents); - - return 0; - - error: - WARN("Cannot parse document. Broken PDF file?"); - error_silent: - if (resources) - pdf_release_obj(resources); - if (markinfo) - pdf_release_obj(markinfo); - if (page) - pdf_release_obj(page); - if (contents) - pdf_release_obj(contents); - - pdf_close(pf); - - return -1; - - too_recent: - pdf_close(pf); - WARN("PDF version of input file more recent than in output file."); - if (compat_mode) { - WARN("Converting. Use \"-V\" switch to change output PDF version."); - return 1; - } else { - WARN("Use \"-V\" switch to change output PDF version."); - return -1; - } -} |