The CairoImageSurface class

(PECL cairo >= 0.1.0)

简介

CairoImageSurface provide the ability to render to memory buffers either allocated by cairo or by the calling code. The supported image formats are those defined in CairoFormat.

类摘要

CairoImageSurface extends CairoSurface {

/* 方法 */

public __construct ( int $format , int $width , int $height )

public static createForData ( string $data , int $format , int $width , int $height ) : void

public static createFromPng ( string $file ) : CairoImageSurface

public getData ( void ) : string

public getFormat ( void ) : int

public getHeight ( void ) : int

public getStride ( void ) : int

public getWidth ( void ) : int

/* 继承的方法 */

public CairoSurface::__construct ( void )

public CairoSurface::copyPage ( void ) : void

public CairoSurface::createSimilar ( CairoSurface $other , int $content , string $width , string $height ) : void

public CairoSurface::finish ( void ) : void

public CairoSurface::flush ( void ) : void

public CairoSurface::getContent ( void ) : int

public CairoSurface::getDeviceOffset ( void ) : array

public CairoSurface::getFontOptions ( void ) : void

public CairoSurface::getType ( void ) : int

public CairoSurface::markDirty ( void ) : void

public CairoSurface::markDirtyRectangle ( float $x , float $y , float $width , float $height ) : void

public CairoSurface::setDeviceOffset ( float $x , float $y ) : void

public CairoSurface::setFallbackResolution ( float $x , float $y ) : void

public CairoSurface::showPage ( void ) : void

public CairoSurface::status ( void ) : int

public CairoSurface::writeToPng ( string $file ) : void

}

CairoImageSurface::__construct — Creates a new CairoImageSurface
CairoImageSurface::createForData — The createForData purpose
CairoImageSurface::createFromPng — Creates a new CairoImageSurface form a png image file
CairoImageSurface::getData — Gets the image data as string
CairoImageSurface::getFormat — Get the image format
CairoImageSurface::getHeight — Retrieves the height of the CairoImageSurface
CairoImageSurface::getStride — The getStride purpose
CairoImageSurface::getWidth — Retrieves the width of the CairoImageSurface

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官方地址：https://www.php.net/manual/en/class.cairoimagesurface.php

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The CairoImageSurface class

简介

类摘要

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