SWFDisplayItem::multColor

(PHP 5 <= 5.3.0, PECL ming SVN)

SWFDisplayItem::multColor — Multiplies the item's color transform

说明

void SWFDisplayItem::multColor ( float $red , float $green , float $blue [, float $a ] )

Warning

此函数是实验性的。此函数的表象，包括名称及其相关文档都可能在未来的 PHP 发布版本中未通知就被修改。使用本函数风险自担。

swfdisplayitem::multcolor() multiplies the item's color transform by the given values.

The object may be a swfshape(), a swfbutton(), a swftext() or a swfsprite() object. It must have been added using the swfmovie::add().

参数

These parameters are floats between 0.0 and 1.0:

red: Value of red component
green: Value of green component
blue: Value of blue component
a: Value of alpha component

返回值

没有返回值。

范例

This simple example will modify your picture's atmosphere to Halloween (use a landscape or bright picture).

Example #1 swfdisplayitem::multcolor() example


<?php

$b = new SWFBitmap(file_get_contents("backyard.jpg"));
// note use your own picture :-)
$s = new SWFShape();
$s->setRightFill($s->addFill($b));
$s->drawLine($b->getWidth(), 0);
$s->drawLine(0, $b->getHeight());
$s->drawLine(-$b->getWidth(), 0);
$s->drawLine(0, -$b->getHeight());

$m = new SWFMovie();
$m->setDimension($b->getWidth(), $b->getHeight());

$i = $m->add($s);

for ($n=0; $n<=20; ++$n) {
  $i->multColor(1.0-$n/10, 1.0, 1.0);
  $i->addColor(0xff*$n/20, 0, 0);
  $m->nextFrame();
}

header('Content-type: application/x-shockwave-flash');
$m->output();
?>