SWFDisplayItem->multColor()

(PHP 4 >= 4.0.5)

SWFDisplayItem->multColor() — Multiplies the item's color transform

说明

SWFDisplayItem

void multColor ( int $red , int $green , int $blue [, int $a ] )

Warning

本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。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 integers between 0 and 255 or hexadecimals between 0x00 and 0xFF:

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

返回值

无返回值。

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();
?>