PHP Manual
CairoContext
Appends a path to current path

CairoContext::appendPath

cairo_append_path

(PECL cairo >= 0.1.0)

CairoContext::appendPath -- cairo_append_path — Appends a path to current path

说明

面向对象风格 (method):

public CairoContext::appendPath ( CairoPath $path ) : void

过程化风格:

cairo_append_path ( CairoContext $context , CairoPath $path ) : void

Appends the path onto the current path. The path may be either the return value from one of CairoContext::copyPath() or CairoContext::copyPathFlat();

if path is not a valid CairoPath instance a CairoException will be thrown

参数

context: CairoContext object
path: CairoPath object

返回值

没有返回值。

范例

Example #1 面向对象风格

 <?php

$surface = new CairoImageSurface(CairoFormat::ARGB32, 50, 50);

$context = new CairoContext($surface);

$path = $context->copyPath();

$context->appendPath($path);

?>

Example #2 过程化风格

 <?php

$surface = cairo_image_surface_create(CAIRO_FORMAT_ARGB32, 50, 50);

$context = cairo_create($surface);

$path = cairo_copy_path($context);

cairo_append_path($context, $path);

?>

参见

CairoPath
CairoContext::copyPath() - Creates a copy of the current path
CairoContext::copyPathFlat() - Gets a flattened copy of the current path