VALUE wkhtml_topdf_converter_convert(VALUE self) { wkhtmltopdf_converter* converter; //TODO QApplication is initialized on whatever thread `wkhtmltopdf_init` is called, otherwise events are //not sent properly if(rb_thread_main() != rb_thread_current()) { rb_raise(rb_eRuntimeError, "Yuck! You must be on the main thread for wkhtmltopdf to work"); } //Checks if(rb_ivar_get(self, idReady) != Qtrue) rb_raise(rb_eRuntimeError, "Object must be added first"); rb_check_frozen(self); Data_Get_Struct(self, wkhtmltopdf_converter, converter); if(wkhtmltopdf_convert(converter)) { OBJ_FREEZE(self); return Qtrue; } else { return Qfalse; } }
/* Main method convert pdf */ int main() { wkhtmltopdf_global_settings * gs; wkhtmltopdf_object_settings * os; wkhtmltopdf_converter * c; /* Init wkhtmltopdf in graphics less mode */ wkhtmltopdf_init(false); /* * Create a global settings object used to store options that are not * related to input objects, note that control of this object is parsed to * the converter later, which is then responsible for freeing it */ gs = wkhtmltopdf_create_global_settings(); /* We want the result to be storred in the file called test.pdf */ wkhtmltopdf_set_global_setting(gs, "out", "test.pdf"); wkhtmltopdf_set_global_setting(gs, "load.cookieJar", "myjar.jar"); /* * Create a input object settings object that is used to store settings * related to a input object, note again that control of this object is parsed to * the converter later, which is then responsible for freeing it */ os = wkhtmltopdf_create_object_settings(); /* We want to convert to convert the qstring documentation page */ wkhtmltopdf_set_object_setting(os, "page", "http://doc.trolltech.com/4.6/qstring.html"); /* Create the actual converter object used to convert the pages */ c = wkhtmltopdf_create_converter(gs); /* Call the progress_changed function when progress changes */ wkhtmltopdf_set_progress_changed_callback(c, progress_changed); /* Call the phase _changed function when the phase changes */ wkhtmltopdf_set_phase_changed_callback(c, phase_changed); /* Call the error function when an error occures */ wkhtmltopdf_set_error_callback(c, error); /* Call the waring function when a warning is issued */ wkhtmltopdf_set_warning_callback(c, warning); /* * Add the the settings object describing the qstring documentation page * to the list of pages to convert. Objects are converted in the order in which * they are added */ wkhtmltopdf_add_object(c, os, NULL); /* Perform the actual convertion */ if (!wkhtmltopdf_convert(c)) fprintf(stderr, "Convertion failed!"); /* Output possible http error code encountered */ printf("httpErrorCode: %d\n", wkhtmltopdf_http_error_code(c)); /* Destroy the converter object since we are done with it */ wkhtmltopdf_destroy_converter(c); /* We will no longer be needing wkhtmltopdf funcionality */ wkhtmltopdf_deinit(); return 0; }