Public 类型 - 《Cocos2dx 3.0 api 文档帮助手册教程》

成员类型定义说明
成员枚举类型说明
构造及析构函数说明
成员函数说明
友元及相关函数文档
类成员变量说明

cocos2d-x 3.0

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Image类参考 Platform Adaptor

#include

类 Image 继承关系图:

Public 类型 - 图3

## Public 类型
enum	Format { JPG, PNG, TIFF, WEBP, PVR, ETC, S3TC, ATITC, TGA, RAW_DATA, UNKOWN }
	支持的图片格式更多…

## Public 成员函数
	Image ()
	ctor 更多…

virtual	~Image ()
	NA NA 更多…

bool	initWithImageFile (const std::string &path)
	从指定的路径加载图片更多…

bool	initWithImageData (const unsigned char data, ssize_t dataLen)
	从流缓冲区加载图片更多…

bool	initWithRawData (const unsigned char data, ssize_t dataLen, int width, int height, int bitsPerComponent, bool preMulti=false)

unsigned char	getData ()

ssize_t	getDataLen ()

Format	getFileType ()

Texture2D::PixelFormat	getRenderFormat ()

int	getWidth ()

int	getHeight ()

bool	isPremultipliedAlpha ()

int	getNumberOfMipmaps ()

MipmapInfo	getMipmaps ()

bool	hasPremultipliedAlpha ()

int	getBitPerPixel ()

bool	hasAlpha ()

bool	isCompressed ()

bool	saveToFile (const std::string &filename, bool isToRGB=true)
	以指定的格式把图片数据保存到指定的文件中更多…

Public 成员函数继承自 Ref
void	retain ()
	保留所有权. 更多…

void	release ()
	立即释放所有权. 更多…

Ref *	autorelease ()
	自动释放所有权在不久的将来. 更多…

unsigned int	getReferenceCount () const
	返回Ref对象当前的引用计数. 更多…

virtual	~Ref ()
	NA NA 更多…

## Protected 类型
typedef struct sImageTGA	tImageTGA

## Protected 成员函数
bool	initWithJpgData (const unsigned char data, ssize_t dataLen)

bool	initWithPngData (const unsigned char data, ssize_t dataLen)

bool	initWithTiffData (const unsigned char data, ssize_t dataLen)

bool	initWithWebpData (const unsigned char data, ssize_t dataLen)

bool	initWithPVRData (const unsigned char data, ssize_t dataLen)

bool	initWithPVRv2Data (const unsigned char data, ssize_t dataLen)

bool	initWithPVRv3Data (const unsigned char data, ssize_t dataLen)

bool	initWithETCData (const unsigned char data, ssize_t dataLen)

bool	initWithS3TCData (const unsigned char data, ssize_t dataLen)

bool	initWithATITCData (const unsigned char data, ssize_t dataLen)

bool	initWithTGAData (tImageTGA tgaData)

bool	saveImageToPNG (const std::string &filePath, bool isToRGB=true)

bool	saveImageToJPG (const std::string &filePath)

	Image (const Image &rImg)

Image &	operator= (const Image &)

bool	initWithImageFileThreadSafe (const std::string &fullpath)

Format	detectFormat (const unsigned char data, ssize_t dataLen)

bool	isPng (const unsigned char data, ssize_t dataLen)

bool	isJpg (const unsigned char data, ssize_t dataLen)

bool	isTiff (const unsigned char data, ssize_t dataLen)

bool	isWebp (const unsigned char data, ssize_t dataLen)

bool	isPvr (const unsigned char data, ssize_t dataLen)

bool	isEtc (const unsigned char data, ssize_t dataLen)

bool	isS3TC (const unsigned char data, ssize_t dataLen)

bool	isATITC (const unsigned char data, ssize_t dataLen)

Protected 成员函数继承自 Ref
	Ref ()
	构造函数更多…

## Protected 属性
unsigned char *	_data

ssize_t	_dataLen

int	_width

int	_height

Format	_fileType

Texture2D::PixelFormat	_renderFormat

bool	_preMulti

MipmapInfo	_mipmaps [MIPMAP_MAX]

int	_numberOfMipmaps

bool	_hasPremultipliedAlpha

std::string	_filePath

Protected 属性继承自 Ref
unsigned int	_referenceCount
	引用计数更多…

## 静态 Protected 属性
static const int	MIPMAP_MAX = 16
	决定mipmap允许的最大数量这个和使用define是一样的，只不过它遵守命名空间的规则更多…

## 友元
class	TextureCache

成员类型定义说明

typedef struct sImageTGA tImageTGA

protected

成员枚举类型说明

enum Format

strong

支持的图片格式

枚举值
JPG	JPEG.
PNG	PNG.
TIFF	TIFF.
WEBP	WebP.
PVR	PVR.
ETC	ETC.
S3TC	S3TC.
ATITC	ATITC.
TGA	TGA.
RAW_DATA	原始数据
UNKOWN	未知格式

构造及析构函数说明

Image

(

)

ctor

virtual ~Image

(

)

virtual

NA NA

Image

(

const Image &

rImg

)

protected

成员函数说明

Format detectFormat	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

int getBitPerPixel

(

)

unsigned char* getData

(

)

inline

ssize_t getDataLen

(

)

inline

Format getFileType

(

)

inline

int getHeight

(

)

inline

MipmapInfo* getMipmaps

(

)

inline

int getNumberOfMipmaps

(

)

inline

Texture2D::PixelFormat getRenderFormat

(

)

inline

int getWidth

(

)

inline

bool hasAlpha

(

)

bool hasPremultipliedAlpha

(

)

inline

bool initWithATITCData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithETCData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithImageData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

从流缓冲区加载图片

参数
data存放图片数据的流缓冲区 dataLen数据的字节数

返回
true if loaded correctly.如果正确加载则返回true NA NA

bool initWithImageFile

(

const std::string &

path

)

从指定的路径加载图片

参数
path文件的绝对路径

返回
如果正确加载则返回true

bool initWithImageFileThreadSafe

(

const std::string &

fullpath

)

protected

bool initWithJpgData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithPngData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithPVRData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithPVRv2Data	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithPVRv3Data	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithRawData	(	const unsigned char *	data,
		ssize_t	dataLen,
		int	width,
		int	height,
		int	bitsPerComponent,
		bool	preMulti = `false`
	)

bool initWithS3TCData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithTGAData

(

tImageTGA *

tgaData

)

protected

bool initWithTiffData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool initWithWebpData	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isATITC	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isCompressed

(

)

bool isEtc	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isJpg	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isPng	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isPremultipliedAlpha

(

)

inline

bool isPvr	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isS3TC	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isTiff	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

bool isWebp	(	const unsigned char *	data,
		ssize_t	dataLen
	)

protected

Image& operator=

(

const Image &

)

protected

bool saveImageToJPG

(

const std::string &

filePath

)

protected

bool saveImageToPNG	(	const std::string &	filePath,
		bool	isToRGB = `true`
	)

protected

bool saveToFile	(	const std::string &	filename,
		bool	isToRGB = `true`
	)

以指定的格式把图片数据保存到指定的文件中

参数
filePath包括文件后缀的绝对路径 isToRGB图片是否以RGB格式保存

友元及相关函数文档

friend class TextureCache

friend

类成员变量说明

unsigned char* _data

protected

ssize_t _dataLen

protected

std::string _filePath

protected

Format _fileType

protected

bool _hasPremultipliedAlpha

protected

int _height

protected

MipmapInfo _mipmaps[MIPMAP_MAX]

protected

int _numberOfMipmaps

protected

bool _preMulti

protected

Texture2D::PixelFormat _renderFormat

protected

int _width

protected

const int MIPMAP_MAX = 16

staticprotected

决定mipmap允许的最大数量这个和使用define是一样的，只不过它遵守命名空间的规则

该类的文档由以下文件生成:

/Users/zeroyang/Documents/github/cocos2d-x/cocos/2d/platform/CCImage.h

cocos2d
Image
生成于 2014年五月 29日星期四 09:41:46 , 为 cocos2d-x使用 1.8.6