Mercurial > MadButterfly
diff nodejs/font.cc @ 575:97159102f886
Function of query font face in Javascript
author | Thinker K.F. Li <thinker@branda.to> |
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date | Thu, 10 Jun 2010 09:36:41 +0800 |
parents | |
children | 5a68e2bcea17 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nodejs/font.cc Thu Jun 10 09:36:41 2010 +0800 @@ -0,0 +1,87 @@ +#include <v8.h> +#include "mbfly_njs.h" + +extern "C" { +#include <mb.h> +} + +#ifndef ASSERT +#define ASSERT(x) +#endif + +using namespace v8; + +static Persistent<FunctionTemplate> xnjsmb_font_face_temp; + +/*! \brief Query a font face. + * + * This function should be a method of rt object. + * + * \param family is family of font face. + * \param slant is slant type of font face. + * \param weight is weight of font face. + */ +static Handle<Value> +xnjsmb_font_face_query(const Arguments &args) { + HandleScope scope; + int argc = args.Length(); + Handle<Object> self = args.This(); + char *face; + int slant, weight; + redraw_man_t *rdman; + mb_font_face_t *font_face; + Handle<Function> func_obj; + Handle<Object> face_obj; + + if(argc != 3) + THROW("Invalid number of arguments (!= 3)"); + if(!args[0]->IsString() || !args[1]->IsInt32() || !args[2]->IsInt32()) + THROW("Invalid argument type"); + + String::Utf8Value face_utf8(args[0]); + face = *face_utf8; + slant = args[1]->ToInt32()->Value(); + weight = args[2]->ToInt32()->Value(); + + rdman = xnjsmb_rt_rdman(self); + font_face = mb_font_face_query(rdman, face, slant, weight); + if(font_face == NULL) + return Null(); + + func_obj = xnjsmb_font_face_temp->GetFunction(); + face_obj = func_obj->NewInstance(); + WRAP(face_obj, font_face); + + return face_obj; +} + +static void +xnjsmb_font_face_init_temp(void) { + Handle<FunctionTemplate> temp; + Handle<ObjectTemplate> inst_temp; + + temp = FunctionTemplate::New(); + temp->SetClassName(String::New("font_face")); + + inst_temp = temp->InstanceTemplate(); + inst_temp->SetInternalFieldCount(1); + + xnjsmb_font_face_temp = Persistent<FunctionTemplate>::New(temp); +} + +void +xnjsmb_font_init_mb_rt_temp(Handle<FunctionTemplate> mb_rt_temp) { + HandleScope scope; + static int init_flag = 0; + Handle<ObjectTemplate> rt_proto_temp; + Handle<FunctionTemplate> query_func_temp; + + if(!init_flag) { + xnjsmb_font_face_init_temp(); + init_flag = 1; + } + + rt_proto_temp = mb_rt_temp->PrototypeTemplate(); + query_func_temp = FunctionTemplate::New(xnjsmb_font_face_query); + SET(rt_proto_temp, "font_fact_query", query_func_temp); +}