void Init_wkhtml_native() {
//Global initialization of library and when Ruby shuts down
wkhtmltopdf_init(USE_GRAPHICS_INT);
wkhtmltoimage_init(USE_GRAPHICS_INT);
rb_set_end_proc(Deinit_wkhtml_native, Qnil);
idReady = rb_intern("ready");
mWkHtml = rb_define_module("WkHtml");
rb_define_const(mWkHtml, "LIBRARY_VERSION", rb_obj_freeze(rb_str_new_cstr(wkhtmltopdf_version())));
rb_define_const(mWkHtml, "USE_GRAPHICS", INT2BOOL(USE_GRAPHICS_INT));
mWkHtmlToPdf = rb_define_module_under(mWkHtml, "ToPdf");
cWkHtmlToPdfGlobalSettings = rb_define_class_under(mWkHtmlToPdf, "GlobalSettings", rb_cObject);
rb_define_alloc_func(cWkHtmlToPdfGlobalSettings, wkhtml_topdf_globalsettings_alloc);
rb_define_method(cWkHtmlToPdfGlobalSettings, "[]=", wkhtml_topdf_globalsettings_aset, 2);
rb_define_method(cWkHtmlToPdfGlobalSettings, "[]", wkhtml_topdf_globalsettings_aref, 1);
cWkHtmlToPdfObjectSettings = rb_define_class_under(mWkHtmlToPdf, "ObjectSettings", rb_cObject);
rb_define_alloc_func(cWkHtmlToPdfObjectSettings, wkhtml_topdf_objectsettings_alloc);
rb_define_method(cWkHtmlToPdfObjectSettings, "[]=", wkhtml_topdf_objectsettings_aset, 2);
rb_define_method(cWkHtmlToPdfObjectSettings, "[]", wkhtml_topdf_objectsettings_aref, 1);
cWkHtmlToPdfConverter = rb_define_class_under(mWkHtmlToPdf, "Converter", rb_cObject);
/*
TODO
rb_define_singleton_method(klass, "new", constructor, 1); //Uses Data_Wrap_Struct -> rb_obj_call_init(t_data, 1, argv);
rb_define_method(klass, "initialize", initialize, 1);
*/
rb_define_singleton_method(cWkHtmlToPdfConverter, "create", wkhtml_topdf_converter_create, 1);
rb_define_method(cWkHtmlToPdfConverter, "add_object", wkhtml_topdf_converter_add_object, 2);
rb_define_method(cWkHtmlToPdfConverter, "convert", wkhtml_topdf_converter_convert, 0);
rb_define_method(cWkHtmlToPdfConverter, "http_error_code", wkhtml_topdf_converter_http_error_code, 0);
rb_define_method(cWkHtmlToPdfConverter, "get_output", wkhtml_topdf_converter_get_output, 0);
//Force use of factory method
rb_undef_alloc_func(cWkHtmlToPdfConverter);
rb_undef_method(rb_singleton_class(cWkHtmlToPdfConverter), "new");
mWkHtmlToImage = rb_define_module_under(mWkHtml, "ToImage");
cWkHtmlToImageGlobalSettings = rb_define_class_under(mWkHtmlToImage, "GlobalSettings", rb_cObject);
rb_define_alloc_func(cWkHtmlToImageGlobalSettings, wkhtml_toimage_globalsettings_alloc);
rb_define_method(cWkHtmlToImageGlobalSettings, "[]=", wkhtml_toimage_globalsettings_aset, 2);
rb_define_method(cWkHtmlToImageGlobalSettings, "[]", wkhtml_toimage_globalsettings_aref, 1);
cWkHtmlToImageConverter = rb_define_class_under(mWkHtmlToImage, "Converter", rb_cObject);
rb_define_singleton_method(cWkHtmlToImageConverter, "create", wkhtml_toimage_converter_create, 2);
rb_define_method(cWkHtmlToImageConverter, "convert", wkhtml_toimage_converter_convert, 0);
rb_define_method(cWkHtmlToImageConverter, "http_error_code", wkhtml_toimage_converter_http_error_code, 0);
rb_define_method(cWkHtmlToImageConverter, "get_output", wkhtml_toimage_converter_get_output, 0);
//Force use of factory method
rb_undef_alloc_func(cWkHtmlToImageConverter);
rb_undef_method(rb_singleton_class(cWkHtmlToImageConverter), "new");
}
/* Main method convert image */
int main() {
wkhtmltoimage_global_settings * gs;
wkhtmltoimage_converter * c;
const unsigned char * data;
long len;
/* Init wkhtmltoimage in graphics less mode */
wkhtmltoimage_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 = wkhtmltoimage_create_global_settings();
/* We want to convert to convert the qstring documentation page */
wkhtmltoimage_set_global_setting(gs, "in", "http://www.google.com/");
wkhtmltoimage_set_global_setting(gs, "fmt", "jpeg");
/* Create the actual converter object used to convert the pages */
c = wkhtmltoimage_create_converter(gs, NULL);
/* Call the progress_changed function when progress changes */
wkhtmltoimage_set_progress_changed_callback(c, progress_changed);
/* Call the phase _changed function when the phase changes */
wkhtmltoimage_set_phase_changed_callback(c, phase_changed);
/* Call the error function when an error occures */
wkhtmltoimage_set_error_callback(c, error);
/* Call the waring function when a warning is issued */
wkhtmltoimage_set_warning_callback(c, warning);
/* Perform the actual convertion */
if (!wkhtmltoimage_convert(c))
fprintf(stderr, "Convertion failed!");
/* Output possible http error code encountered */
printf("httpErrorCode: %d\n", wkhtmltoimage_http_error_code(c));
len = wkhtmltoimage_get_output(c, &data);
printf("%ld len\n", len);
/* Destroy the converter object since we are done with it */
wkhtmltoimage_destroy_converter(c);
/* We will no longer be needing wkhtmltoimage funcionality */
wkhtmltoimage_deinit();
return 0;
}
