CAImage

CAImage Detailed Description

Class Description

CAImage texture class (namely the texture in memory) is mainly used to create texture object and load image into memory. It’s the base of all related texture class.

Base Class

CAObject

Method

Access modifier	Method name	Description
public	create	Create texture
public	description	Texture description
public	releaseData	Release data
public	keepData	Save data
public	drawAtPoint	Draw texture at appointed position
public	drawInRect	Draw appointed region on texture
public	stringForFormat	Pixel format
public	bitsPerPixelForFormat	Pixel bit depth
public	bitsPerPixelForFormat	Pixel depth of appointed format
public	getContentSizeInPixels	Obtain pixel size

## Method Description **static CAImage* create(const char* file)**
Return value: CAImage*
Parameter:

Type	Parameter	Description
const char*	file	Use to create texture file name

Description: create a texture object via appointed file name and generally we directly use image name.

const char description(void)*
Return value: const char*
Description: text description

void releaseData(void *data)
Return value: void
Parameter:

Type	Parameter name	Description
void*	data	Any pointer type

void keepData(void *data, unsigned int length)*
Return value: void
Parameter:

Type	Parameter name	Description
Void*	Data	Any pointer type

void drawAtPoint(const CCPoint& point)
Return value: void
Parameter:

Type	Parameter name	Description
const CCPoint	point	point

**void drawInRect(const CCRect& rect)**
Return value: void
Parameter:

Type	Parameter name	Description
const CCRect	rect	Draw-required region on texture

const char stringForFormat()*
Return value: const char*
Description: obtain texture pixel format

unsigned int bitsPerPixelForFormat()
Return value: unsigned int
Description: obtain pixel bit depth, namely the bit number for each pixel.

unsigned int bitsPerPixelForFormat(CCTexture2DPixelFormat format)
Return value: unsigned int
Parameter:

Type	Parameter name	Description
CCTexture2DPixelFormat	format	Appointed pixel format

Description: obtain appointed pixel format’s bit depth.

const CCSize& getContentSizeInPixels()
Return value: const CCSize
Description: obtain texture pixel’s width and height