LabelSystemFontTest类 参考

#include <LabelTestNew.h>

类 LabelSystemFontTest 继承关系图:

LabelSystemFontTest 的协作图:

Public 成员函数
	CREATE_FUNC (LabelSystemFontTest)
	LabelSystemFontTest ()
void	initToggleCheckboxes ()
void	onChangedRadioButtonSelect (cocos2d::ui::RadioButton *radioButton, cocos2d::ui::RadioButton::EventType type)
virtual std::string	title () const override
virtual std::string	subtitle () const override
Public 成员函数 继承自 LabelLayoutBaseTest
	LabelLayoutBaseTest ()
void	updateDrawNodeSize (const cocos2d::Size &drawNodeSize)
cocos2d::extension::ControlStepper *	makeControlStepper ()
void	valueChanged (cocos2d::Ref *sender, cocos2d::extension::Control::EventType controlEvent)
Public 成员函数 继承自 TestCase
	TestCase ()
	~TestCase ()
virtual Type	getTestType () const
virtual float	getDuration () const
virtual std::string	getExpectedOutput () const
virtual std::string	getActualOutput () const
virtual void	restartTestCallback (cocos2d::Ref *sender)
virtual void	nextTestCallback (cocos2d::Ref *sender)
virtual void	priorTestCallback (cocos2d::Ref *sender)
virtual void	onBackCallback (cocos2d::Ref *sender)
void	setTestSuite (TestSuite *testSuite)
TestSuite *	getTestSuite () const
float	getRunTime () const
void	setTestCaseName (const std::string &name)
std::string	getTestCaseName () const
const cocos2d::Label *	getSubtitleLable () const
const cocos2d::MenuItemImage *	getRestartTestItem () const
virtual void	onEnter () override

额外继承的成员函数
Public 类型 继承自 TestCase
enum class	Type { ROBUSTNESS , UNIT , GRAPHICAL_STATIC , MANUAL }
Public 属性 继承自 TestCase
CC_CONSTRUCTOR_ACCESS	__pad0__: virtual bool init() override
Protected 成员函数 继承自 LabelLayoutBaseTest
void	setAlignmentLeft (cocos2d::Ref *sender)
void	setAlignmentCenter (cocos2d::Ref *sender)
void	setAlignmentRight (cocos2d::Ref *sender)
void	setAlignmentTop (cocos2d::Ref *sender)
void	setAlignmentMiddle (cocos2d::Ref *sender)
void	setAlignmentBottom (cocos2d::Ref *sender)
void	initWrapOption (const cocos2d::Size &size)
void	initToggleLabelTypeOption (const cocos2d::Size &size)
void	initAlignmentOption (const cocos2d::Size &size)
void	initFontSizeChange (const cocos2d::Size &size)
void	initSliders (const cocos2d::Size &size)
void	initTestLabel (const cocos2d::Size &size)
void	initDrawNode (const cocos2d::Size &size)
Protected 属性 继承自 LabelLayoutBaseTest
cocos2d::DrawNode *	_drawNode
cocos2d::Label *	_label
int	_labelType
Protected 属性 继承自 TestCase
cocos2d::MenuItemImage *	_priorTestItem
cocos2d::MenuItemImage *	_restartTestItem
cocos2d::MenuItemImage *	_nextTestItem
cocos2d::Label *	_titleLabel
cocos2d::Label *	_subtitleLabel

详细描述

在文件 LabelTestNew.h 第 788 行定义.

构造及析构函数说明

LabelSystemFontTest()

LabelSystemFontTest::LabelSystemFontTest

(

)

在文件 LabelTestNew.cpp 第 2812 行定义.

{
    _label->setLineSpacing(5);
    _label->setVerticalAlignment(TextVAlignment::CENTER);
    _label->setOverflow(Label::Overflow::NONE);
    _label->setSystemFontName("Hiragino Sans GB");
    _label->setSystemFontSize(20);
    _label->enableOutline(Color4B::RED, 1.0);
    _label->setString("This is a very\n 我爱你中国\n long sentence");
    _labelType = 2;
    
    auto stepper = (ControlStepper*)this->getChildByName("stepper");
    stepper->setEnabled(true);
    
    auto checkbox = (CheckBox*)(this->getChildByName("toggleType"));
    checkbox->setEnabled(false);
 
    this->updateDrawNodeSize(_label->getContentSize());
 
    auto slider1 = (ui::Slider*)this->getChildByTag(1);
 
    auto winSize = Director::getInstance()->getVisibleSize();
    slider1->addEventListener([=](Ref* ref, Slider::EventType event){
        float percent = slider1->getPercent();
        auto drawNodeSize = Size(percent / 100.0 * winSize.width,_label->getContentSize().height);
        if(drawNodeSize.height <= 0){
            drawNodeSize.height = 0.1f;
        }
        _label->setDimensions(drawNodeSize.width, drawNodeSize.height);
        this->updateDrawNodeSize(drawNodeSize);
    });
 
 
    auto label = Label::createWithSystemFont("char Line break:", "Arial", 10);
    label->setColor(Color3B::WHITE);
    label->setPosition(Vec2(winSize.width * 0.1f, winSize.height * 0.8f));
    this->addChild(label);
 
    CheckBox* checkBox = CheckBox::create("cocosui/check_box_normal.png",
                                          "cocosui/check_box_normal_press.png",
                                          "cocosui/check_box_active.png",
                                          "cocosui/check_box_normal_disable.png",
                                          "cocosui/check_box_active_disable.png");
    checkBox->setPosition(Vec2(winSize.width * 0.2f , winSize.height * 0.8f));
    checkBox->setScale(0.5);
    checkBox->setSelected(false);
    checkBox->setName("LineBreak");
 
    checkBox->addEventListener([=](Ref* ref, CheckBox::EventType event){
        if (event == CheckBox::EventType::SELECTED) {
            _label->setLineBreakWithoutSpace(true);
        }else{
            _label->setLineBreakWithoutSpace(false);
        }
        this->updateDrawNodeSize(_label->getContentSize());
    });
    this->addChild(checkBox);
 
    this->initToggleCheckboxes();
 
    auto checkboxToggleWrap = (CheckBox*)(this->getChildByName("toggleWrap"));
    checkboxToggleWrap->setEnabled(true);
}

引用了 LabelLayoutBaseTest::_label, LabelLayoutBaseTest::_labelType, initToggleCheckboxes() , 以及 LabelLayoutBaseTest::updateDrawNodeSize().

函数调用图:

成员函数说明

CREATE_FUNC()

LabelSystemFontTest::CREATE_FUNC

(

LabelSystemFontTest

)

initToggleCheckboxes()

void LabelSystemFontTest::initToggleCheckboxes

(

)

在文件 LabelTestNew.cpp 第 2876 行定义.

{
    const float BUTTON_WIDTH = 100;
    float startPosX = 0;
    Size winSize = Director::getInstance()->getVisibleSize();
 
    // Create a radio button group
    auto radioButtonGroup = RadioButtonGroup::create();
    this->addChild(radioButtonGroup);
 
    // Create the radio buttons
    static const int NUMBER_OF_BUTTONS = 4;
    startPosX = winSize.width / 2.0f - (NUMBER_OF_BUTTONS - 1 ) * 0.5 * BUTTON_WIDTH - 30;
    std::vector<std::string> labelTypes = {"Normal", "Clamp", "Shrink", "RESIZE"};
 
    for(int i = 0; i < NUMBER_OF_BUTTONS; ++i)
    {
 
        RadioButton* radioButton = RadioButton::create("cocosui/radio_button_off.png", "cocosui/radio_button_on.png");
        float posX = startPosX + BUTTON_WIDTH * i;
        radioButton->setPosition(Vec2(posX, winSize.height / 2.0f + 70));
        radioButton->setScale(1.2f);
        radioButton->addEventListener(CC_CALLBACK_2(LabelSystemFontTest::onChangedRadioButtonSelect, this));
        radioButton->setTag(i);
        radioButtonGroup->addRadioButton(radioButton);
        this->addChild(radioButton);
 
        auto label = Label::createWithSystemFont(labelTypes.at(i), "Arial", 20);
        label->setPosition(radioButton->getPosition() + Vec2(50.0f,0.0f));
        this->addChild(label);
    }
}

引用了 BUTTON_WIDTH, onChangedRadioButtonSelect() , 以及 startPosX.

被这些函数引用 LabelSystemFontTest().

函数调用图:

这是这个函数的调用关系图:

onChangedRadioButtonSelect()

void LabelSystemFontTest::onChangedRadioButtonSelect	(	cocos2d::ui::RadioButton *	radioButton,
		cocos2d::ui::RadioButton::EventType	type
	)

在文件 LabelTestNew.cpp 第 2920 行定义.

{
    if(radioButton == nullptr)
    {
        return;
    }
 
    switch (type)
    {
    case RadioButton::EventType::SELECTED:
    {
        switch (radioButton->getTag()) {
            case 0:
                _label->setOverflow(Label::Overflow::NONE);
                break;
            case 1:
                _label->setOverflow(Label::Overflow::CLAMP);
                break;
            case 2:
                _label->setOverflow(Label::Overflow::SHRINK);
                break;
            case 3:
                _label->setOverflow(Label::Overflow::RESIZE_HEIGHT);
                break;
            default:
                break;
        }
        break;
    }
    default:
        break;
    }
    this->updateDrawNodeSize(_label->getContentSize());
}

引用了 LabelLayoutBaseTest::_label , 以及 LabelLayoutBaseTest::updateDrawNodeSize().

被这些函数引用 initToggleCheckboxes().

函数调用图:

这是这个函数的调用关系图:

subtitle()

std::string LabelSystemFontTest::subtitle ( ) const

overridevirtual

重载 TestCase .

在文件 LabelTestNew.cpp 第 2914 行定义.

{
    return "";
}

title()

std::string LabelSystemFontTest::title ( ) const

overridevirtual

重载 TestCase .

在文件 LabelTestNew.cpp 第 2909 行定义.

{
    return "System Font Test";
}

---

该类的文档由以下文件生成:

• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/LabelTest/LabelTestNew.h
• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/LabelTest/LabelTestNew.cpp