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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-0.8.7/src/Ghostscript.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-0.8.7/src/Ghostscript.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-0.8.7/src/Ghostscript.h b/Build/source/texk/dvisvgm/dvisvgm-0.8.7/src/Ghostscript.h new file mode 100644 index 00000000000..776f29bf008 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-0.8.7/src/Ghostscript.h @@ -0,0 +1,97 @@ +/************************************************************************* +** Ghostscript.h ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2009 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** 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 3 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, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#ifndef GHOSTSCRIPT_H +#define GHOSTSCRIPT_H + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include <string> +#if HAVE_LIBGS + #include <ghostscript/iapi.h> +#else + #include "DLLoader.h" + #include "iapi.h" +#endif + +#if defined(__WIN32__) && !defined(_Windows) + #define _Windows +#endif + +#if DISABLE_GS +struct Ghostscript +{ + typedef int (GSDLLCALLPTR Stdin) (void *caller, char *buf, int len); + typedef int (GSDLLCALLPTR Stdout) (void *caller, const char *str, int len); + typedef int (GSDLLCALLPTR Stderr) (void *caller, const char *str, int len); + + Ghostscript () {} + Ghostscript (int argc, const char **argv, void *caller=0) {} + bool available () {return false;} + bool revision (gsapi_revision_t *r) {return false;} + std::string revision () {return "";} + int set_stdio (Stdin in, Stdout out, Stderr err) {return 0;} + int run_string_begin (int user_errors, int *pexit_code) {return 0;} + int run_string_continue (const char *str, unsigned int length, int user_errors, int *pexit_code) {return 0;} + int run_string_end (int user_errors, int *pexit_code) {return 0;} + int exit () {return 0;} +}; + +#else + +/** Wrapper class of (a subset of) the Ghostscript API. */ +class Ghostscript +#if !HAVE_LIBGS +: public DLLoader +#endif +{ + public: + typedef int (GSDLLCALLPTR Stdin) (void *caller, char *buf, int len); + typedef int (GSDLLCALLPTR Stdout) (void *caller, const char *str, int len); + typedef int (GSDLLCALLPTR Stderr) (void *caller, const char *str, int len); + + public: + Ghostscript (); + Ghostscript (int argc, const char **argv, void *caller=0); + ~Ghostscript (); + bool available (); + bool revision (gsapi_revision_t *r); + std::string revision (); + int set_stdio (Stdin in, Stdout out, Stderr err); + int run_string_begin (int user_errors, int *pexit_code); + int run_string_continue (const char *str, unsigned int length, int user_errors, int *pexit_code); + int run_string_end (int user_errors, int *pexit_code); + int exit (); + + protected: + Ghostscript (const Ghostscript &gs) {} + int init_with_args (int argc, char **argv); + int new_instance (void **psinst, void *caller); + void delete_instance (); + + private: + void *_inst; ///< Ghostscript handle needed to call the gsapi_foo functions +}; + +#endif // DISABLE_GS + +#endif |