cocos2dx 玩转标签Label类

玩转Label 类

LabelScene.cpp

#include "LabelScene.h"
#include "iconv/iconvString.h"//这里报错，请查看我写得另一篇文章cocos2d-x 3.4 中文乱码解决之道
USING_NS_CC;
#include "ui/CocosGUI.h"
using namespace ui;
Scene* LabelScene::createScene()
{
    // 'scene' is an autorelease object
    auto scene = Scene::create();

    // 'layer' is an autorelease object
    auto layer = LabelScene::create();

    // add layer as a child to scene
    scene->addChild(layer);

    // return the scene
    return scene;
}

// on "init" you need to initialize your instance
bool LabelScene::init()
{
    //////////////////////////////
    // 1. super init first
    if (!Layer::init())
    {
        return false;
    }

    Size visibleSize = Director::getInstance()->getVisibleSize();
    Vec2 origin = Director::getInstance()->getVisibleOrigin();

    /////////////////////////////
    // 2. add a menu item with "X" image, which is clicked to quit the program
    //    you may modify it.

    // add a "close" icon to exit the progress. it's an autorelease object
    auto closeItem = MenuItemImage::create(
        "CloseNormal.png",
        "CloseSelected.png",
        CC_CALLBACK_1(LabelScene::menuCloseCallback, this));

    closeItem->setPosition(Vec2(origin.x + visibleSize.width - closeItem->getContentSize().width / 2,
        origin.y + closeItem->getContentSize().height / 2));

    // create menu, it's an autorelease object
    auto menu = Menu::create(closeItem, NULL);
    menu->setPosition(Vec2::ZERO);
    this->addChild(menu, 1);

    /////////////////////////////
    // 3. add your codes below...

    // add a label shows "Hello World"
    // create and initialize a label

    /*
    auto array_plist = Array::createWithContentsOfFile("chinese.plist");

    std::string info_str1;//存储新年快乐的字符串
    std::string info_str2;//存储马上有钱的字符串

    / *for (int i = 0; icount(); i++)
    {
    auto dic = (Dictionary*)array_plist->getObjectAtIndex(i);//获取array_plist中的第一个对象
    int key_id1 = 10;//因为在plist文档中，“新年快乐！”对应的id是10
    int key_id2 = 20;//马上好运的id
    int key_id_plist = ((String*)dic->objectForKey("id"))->intValue();//获取字典中“id”的数值，将String型的转成整型的
    if (key_id1 == key_id_plist)
    {
    info_str1 = ((String*)dic->objectForKey("info"))->getCString();//获得”新年快乐“文字
    continue;
    }
    if (key_id2 == key_id_plist)
    {
    info_str2 = ((String*)dic->objectForKey("info"))->getCString();//获得”马上有钱“文字
    continue;
    }
    }* /

    auto label_1 = LabelTTF::create(info_str1, "Arial", 25);
    label_1->setPosition(Point(100, 100));
    this->addChild(label_1, 1);

    auto label_2 = LabelTTF::create(info_str2, "Arial", 25);
    label_2->setPosition(Point(100, 200));
    this->addChild(label_2, 1); */
    Text* text_title = Text::create();
    Text* text_sentence_one = Text::create();
    Text* text_sentence_two = Text::create();
    Size textsize;
    textsize.width = visibleSize.width * 0.67;
    textsize.height = 20;
    text_title->setSize(textsize);
    text_sentence_one->setSize(textsize);
    text_sentence_two->setSize(textsize);
    text_title->setPosition(ccp(visibleSize.width / 5, visibleSize.height*0.90f));
    text_sentence_one->setPosition(ccp(visibleSize.width /5, visibleSize.height*0.90f - 200.0f));
    text_sentence_two->setPosition(ccp(visibleSize.width / 5, visibleSize.height*0.90f - 400.0f));

    std::vector<std::string> vecNotice;
    vecNotice.push_back("喜晴(范成大)");
    vecNotice.push_back("窗间梅熟落蒂，墙下笋成出林。");
    vecNotice.push_back("连雨不知春去，一晴方觉夏深。");
    code_convert_init();
    std::string strgbk_title = gbktoutf8(vecNotice[0].c_str());
    std::string strgbk_sentence_one = gbktoutf8(vecNotice[1].c_str());
    std::string strgbk_sentence_two = gbktoutf8(vecNotice[2].c_str());
    text_title->setText(strgbk_title);
    text_sentence_one->setText(strgbk_sentence_one);
    text_sentence_two->setText(strgbk_sentence_two);
    text_title->setVisible(true);
    text_title->setColor(Color3B::WHITE);
    text_title->setFontSize(25);
    addChild(text_title);
    text_sentence_one->setVisible(true);
    text_sentence_one->setColor(Color3B::WHITE);
    text_sentence_one->setFontSize(25);
    addChild(text_sentence_one);
    text_sentence_two->setVisible(true);
    text_sentence_two->setColor(Color3B::WHITE);
    text_sentence_two->setFontSize(25);
    addChild(text_sentence_two);
    //创建TTF标签对象
    /*
    *Func       创建TTF标签对象
    *@parameter1 显示文字内容
    *@parameter2 字体名称
    *@parameter3 字体大小
    */
    auto label1 = LabelTTF::create("Create LabelTTF 1", "Marker Felt", 32);
    label1->setPosition(visibleSize.width / 2+200, visibleSize.height / 2 + 200);
    this->addChild(label1);

    //创建TTF标签对象
    /*
    *Func       创建TTF标签对象
    *@parameter1 显示文字内容
    *@parameter2 字体名称
    *@parameter3 字体大小
    *@parameter4 标签大小
    *@parameter5 文字水平对其方式
    */
    auto label2 = LabelTTF::create("Create LabelTTF 2", "AppleGothic", 32, Size(visibleSize.width / 3, 200), TextHAlignment::LEFT);
    label2->setPosition(visibleSize.width / 2+200, visibleSize.height / 2+50);
    this->addChild(label2);

    //创建TTF标签对象
    /*
    *Func       创建TTF标签对象
    *@parameter1 显示文字内容
    *@parameter2 字体名称
    *@parameter3 字体大小
    *@parameter4 标签大小
    *@parameter5 文字水平对其方式
    *@parameter5 文字垂直对其方式
    */
    auto label3 = LabelTTF::create("Create LabelTTF 3", "Courier", 32, Size(visibleSize.width / 3, 200), TextHAlignment::LEFT, TextVAlignment::CENTER);
    label3->setPosition(visibleSize.width / 2 + 200, visibleSize.height / 2);
    this->addChild(label3);

    //LabelBMFont and LabelAtlas
    //新增标签类Label
    /*
    *Func       创建Label标签对象
    *@parameter1 显示文字内容
    *@parameter2 字体名称
    *@parameter3 字体大小
    */
    auto label4 = Label::create("Create Label", "Marker Felt",32);
    label4->setPosition(visibleSize.width / 2 + 200, visibleSize.height / 2 - 100);
    this->addChild(label4);
    /*
    *CC_CALLBACK_0

    *CC_CALLBACK_1  表示调用的时候传递一个参数
    */
    return true;
}

void LabelScene::menuCloseCallback(Ref* pSender)
{
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WP8) || (CC_TARGET_PLATFORM == CC_PLATFORM_WINRT)
    MessageBox("You pressed the close button. Windows Store Apps do not implement a close button.", "Alert");
    return;
#endif

    Director::getInstance()->end();

#if (CC_TARGET_PLATFORM == CC_PLATFORM_IOS)
    exit(0);
#endif
}

LabelScene.h

#ifndef __LABELSCENE_SCENE_H__
#define __LABELSCENE_SCENE_H__

#include "cocos2d.h"

class LabelScene : public cocos2d::Layer
{
public:
    // there's no 'id' in cpp, so we recommend returning the class instance pointer
    static cocos2d::Scene* createScene();

    // Here's a difference. Method 'init' in cocos2d-x returns bool, instead of returning 'id' in cocos2d-iphone
    virtual bool init();

    // a selector callback
    void menuCloseCallback(cocos2d::Ref* pSender);

    // implement the "static create()" method manually
    CREATE_FUNC(LabelScene);
};

#endif // __LABELSCENE_SCENE_H__