TextureMemoryAlloc类 参考

#include <Texture2dTest.h>

类 TextureMemoryAlloc 继承关系图:

TextureMemoryAlloc 的协作图:

Public 成员函数
	CREATE_FUNC (TextureMemoryAlloc)
virtual void	onEnter () override
virtual std::string	title () const override
virtual std::string	subtitle () const override
void	updateImage (cocos2d::Ref *sender)
void	changeBackgroundVisible (cocos2d::Ref *sender)
Public 成员函数 继承自 TextureDemo
virtual	~TextureDemo ()
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

Private 属性
cocos2d::Sprite *	_background

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 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 Texture2dTest.h 第 488 行定义.

成员函数说明

changeBackgroundVisible()

void TextureMemoryAlloc::changeBackgroundVisible

(

cocos2d::Ref *

sender

)

在文件 Texture2dTest.cpp 第 1896 行定义.

{
    if (_background)
    {
        _background->setVisible(true);
    }
}

引用了 _background.

被这些函数引用 onEnter().

这是这个函数的调用关系图:

CREATE_FUNC()

TextureMemoryAlloc::CREATE_FUNC

(

TextureMemoryAlloc

)

onEnter()

void TextureMemoryAlloc::onEnter ( )

overridevirtual

重载 TextureDemo .

在文件 Texture2dTest.cpp 第 1857 行定义.

{
    TextureDemo::onEnter();
    _background = nullptr;
    
    MenuItemFont::setFontSize(24);
    
    auto item1 = MenuItemFont::create("PNG", CC_CALLBACK_1(TextureMemoryAlloc::updateImage, this));
    item1->setTag(0);
    
    auto item2 = MenuItemFont::create("RGBA8", CC_CALLBACK_1(TextureMemoryAlloc::updateImage, this));
    item2->setTag(1);
    
    auto item3 = MenuItemFont::create("RGB8", CC_CALLBACK_1(TextureMemoryAlloc::updateImage, this));
    item3->setTag(2);
    
    auto item4 = MenuItemFont::create("RGBA4", CC_CALLBACK_1(TextureMemoryAlloc::updateImage, this));
    item4->setTag(3);
    
    auto item5 = MenuItemFont::create("A8", CC_CALLBACK_1(TextureMemoryAlloc::updateImage, this));
    item5->setTag(4);
    
    auto menu = Menu::create(item1, item2, item3, item4, item5, nullptr);
    menu->alignItemsHorizontally();
    
    addChild(menu);
    
    auto warmup = MenuItemFont::create("warm up texture", CC_CALLBACK_1(TextureMemoryAlloc::changeBackgroundVisible, this));
    
    auto menu2 = Menu::create(warmup, nullptr);
 
    menu2->alignItemsHorizontally();
    
    addChild(menu2);
    auto s = Director::getInstance()->getWinSize();
    
    menu2->setPosition(Vec2(s.width/2, s.height/4));
}

引用了 _background, changeBackgroundVisible(), TextureDemo::onEnter() , 以及 updateImage().

函数调用图:

subtitle()

std::string TextureMemoryAlloc::subtitle ( ) const

overridevirtual

重载 TestCase .

在文件 Texture2dTest.cpp 第 1948 行定义.

{
    return "Testing Texture Memory allocation. Use Instruments + VM Tracker";
}

title()

std::string TextureMemoryAlloc::title ( ) const

overridevirtual

重载 TestCase .

在文件 Texture2dTest.cpp 第 1943 行定义.

{
    return "Texture memory";
}

updateImage()

void TextureMemoryAlloc::updateImage

(

cocos2d::Ref *

sender

)

在文件 Texture2dTest.cpp 第 1904 行定义.

{
    if (_background)
    {
        _background->removeFromParentAndCleanup(true);
    }
    
    Director::getInstance()->getTextureCache()->removeUnusedTextures();
    
    int tag = ((Node*)sender)->getTag();
    std::string file;
    switch (tag) 
    {
        case 0:
            file = "Images/test_image.png";
            break;
        case 1:
            file = "Images/test_image_rgba8888.pvr";
            break;
        case 2:
            file = "Images/test_image_rgb888.pvr";
            break;
        case 3:
            file = "Images/test_image_rgba4444.pvr";
            break;
        case 4:
            file = "Images/test_image_a8.pvr";
            break;
    }
 
    _background = Sprite::create(file.c_str());
    addChild(_background, -10);
    
    _background->setVisible(false);
    
    auto s = Director::getInstance()->getWinSize();
    _background->setPosition(Vec2(s.width/2, s.height/2));
}

引用了 _background.

被这些函数引用 onEnter().

这是这个函数的调用关系图:

类成员变量说明

_background

cocos2d::Sprite* TextureMemoryAlloc::_background

private

在文件 Texture2dTest.h 第 498 行定义.

被这些函数引用 changeBackgroundVisible(), onEnter() , 以及 updateImage().

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该类的文档由以下文件生成:

• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/Texture2dTest/Texture2dTest.h
• /Users/yujizhu/Documents/Git/cocos2d-x-4.0/tests/cpp-tests/Classes/Texture2dTest/Texture2dTest.cpp