view nodejs/font.cc @ 1401:2fc1f54a1a3b

Mainly fix the clone_from_subtree to update the children of the parent node. We need to clearify all related codes in the future to make the logic more clear.
author wycc
date Sun, 03 Apr 2011 18:12:42 +0800
parents 586e50f82c1f
children
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// -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
// vim: sw=4:ts=8:sts=4
#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);
}

/*! \brief Add properties to the template of runtime objects.
 */
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_face_query", query_func_temp);
}