/* arguments are:
* 1. callback function for stdio and for notification of
* sync_output, output_page and resize events
* 2. window handle, used as parent. Use NULL if you have no window.
* 3. argc
* 4. argv
*/
int GSDLLEXPORT GSDLLAPI
gsdll_init_with_encoding(GSDLL_CALLBACK callback, HWND hwnd, int argc, char * argv[], int encoding)
{
int code;
if ((code = gsapi_new_instance(&pgs_minst, (void *)1)) < 0)
return -1;
gsapi_set_stdio(pgs_minst,
gsdll_old_stdin, gsdll_old_stdout, gsdll_old_stderr);
gsapi_set_poll(pgs_minst, gsdll_old_poll);
/* ignore hwnd */
/* rest of MacGSView compatibilty hack */
#ifdef __MACOS__
hwndtext=hwnd;
#endif
/****** SINGLE-INSTANCE HACK ******/
pgsdll_callback = callback;
/****** SINGLE-INSTANCE HACK ******/
code = gsapi_set_arg_encoding(pgs_minst, encoding);
if (code >= 0)
code = gsapi_init_with_args(pgs_minst, argc, argv);
if (code == e_Quit) {
gsapi_exit(pgs_minst);
return GSDLL_INIT_QUIT;
}
return code;
}
/* Create a new instance of Ghostscript.
* First instance per process call with *pinstance == NULL
* next instance in a proces call with *pinstance == copy of valid_instance pointer
* *pinstance is set to a new instance pointer.
*/
GSDLLEXPORT int GSDLLAPI
gsapi_new_instance(void **pinstance, void *caller_handle)
{
gs_memory_t *mem = NULL;
gs_main_instance *minst = NULL;
if (pinstance == NULL)
return gs_error_Fatal;
#ifndef GS_THREADSAFE
/* limited to 1 instance, till it works :) */
if ( gsapi_instance_counter >= gsapi_instance_max )
return gs_error_Fatal;
++gsapi_instance_counter;
#endif
if (*pinstance == NULL)
/* first instance in this process */
mem = gs_malloc_init();
else {
/* nothing different for second thread initialization
* seperate memory, ids, only stdio is process shared.
*/
mem = gs_malloc_init();
}
if (mem == NULL)
return gs_error_Fatal;
minst = gs_main_alloc_instance(mem);
if (minst == NULL) {
gs_malloc_release(mem);
return gs_error_Fatal;
}
mem->gs_lib_ctx->top_of_system = (void*) minst;
mem->gs_lib_ctx->caller_handle = caller_handle;
mem->gs_lib_ctx->custom_color_callback = NULL;
#ifdef METRO
mem->gs_lib_ctx->stdin_fn = metro_stdin;
mem->gs_lib_ctx->stdout_fn = metro_stdout;
mem->gs_lib_ctx->stderr_fn = metro_stderr;
#else
mem->gs_lib_ctx->stdin_fn = NULL;
mem->gs_lib_ctx->stdout_fn = NULL;
mem->gs_lib_ctx->stderr_fn = NULL;
#endif
mem->gs_lib_ctx->poll_fn = NULL;
*pinstance = (void*)(mem->gs_lib_ctx);
return gsapi_set_arg_encoding(*pinstance, GS_ARG_ENCODING_LOCAL);
}
GSDLLEXPORT int GSDLLAPI
gsapi_init_with_argsA(void *lib, int argc, char **argv)
{
gs_lib_ctx_t *ctx = (gs_lib_ctx_t *)lib;
int code;
gs_arg_get_codepoint *old;
if (lib == NULL)
return gs_error_Fatal;
old = gs_main_inst_get_arg_decode(get_minst_from_memory(ctx->memory));
code = gsapi_set_arg_encoding(lib, GS_ARG_ENCODING_LOCAL);
if (code != 0)
return code;
code = gsapi_init_with_args(lib, 2*argc, (char **)argv);
gs_main_inst_arg_decode(get_minst_from_memory(ctx->memory), old);
return code;
}
GSDLLEXPORT int GSDLLAPI
gsapi_run_fileA(void *lib, const char *file_name,
int user_errors, int *pexit_code)
{
gs_lib_ctx_t *ctx = (gs_lib_ctx_t *)lib;
int code;
gs_arg_get_codepoint *old;
if (lib == NULL)
return gs_error_Fatal;
old = gs_main_inst_get_arg_decode(get_minst_from_memory(ctx->memory));
code = gsapi_set_arg_encoding(lib, GS_ARG_ENCODING_LOCAL);
if (code != 0)
return code;
code = gsapi_run_file(lib, (const char *)file_name, user_errors, pexit_code);
gs_main_inst_arg_decode(get_minst_from_memory(ctx->memory), old);
return code;
}
GSDLLEXPORT int GSDLLAPI
gsapi_init_with_argsW(void *lib, int argc, wchar_t **argv)
{
#ifdef GS_NO_UTF8
/* Cannot call the W entrypoints in a GS_NO_UTF8 build */
return gs_error_Fatal;
#else
gs_lib_ctx_t *ctx = (gs_lib_ctx_t *)lib;
int code;
gs_arg_get_codepoint *old;
if (lib == NULL)
return gs_error_Fatal;
old = gs_main_inst_get_arg_decode(get_minst_from_memory(ctx->memory));
code = gsapi_set_arg_encoding(lib, GS_ARG_ENCODING_UTF16LE);
if (code != 0)
return code;
code = gsapi_init_with_args(lib, 2*argc, (char **)argv);
gs_main_inst_arg_decode(get_minst_from_memory(ctx->memory), old);
return code;
#endif
}
GSDLLEXPORT int GSDLLAPI
gsapi_run_fileW(void *lib, const wchar_t *file_name,
int user_errors, int *pexit_code)
{
#ifdef GS_NO_UTF8
/* Cannot call the W entrypoints in a GS_NO_UTF8 build */
return gs_error_Fatal;
#else
gs_lib_ctx_t *ctx = (gs_lib_ctx_t *)lib;
int code;
gs_arg_get_codepoint *old;
if (lib == NULL)
return gs_error_Fatal;
old = gs_main_inst_get_arg_decode(get_minst_from_memory(ctx->memory));
code = gsapi_set_arg_encoding(lib, GS_ARG_ENCODING_UTF16LE);
if (code != 0)
return code;
code = gsapi_run_file(lib, (const char *)file_name, user_errors, pexit_code);
gs_main_inst_arg_decode(get_minst_from_memory(ctx->memory), old);
return code;
#endif
}
