SWFGradient::__construct

(PHP 5 <= 5.3.0, PECL ming SVN)

SWFGradient::__construct — Creates a gradient object

说明

SWFGradient::__construct ( void )

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。

swfgradient() creates a new SWFGradient object.

After you've added the entries to your gradient, you can use the gradient in a shape fill with the swfshape::addfill() method.

SWFGradient has the following methods : swfgradient::addentry() .

This simple example will draw a big black-to-white gradient as background, and a reddish disc in its center.

Example #1 swfgradient() example

  <?php

  $m  = new  SWFMovie ();
   $m -> setDimension ( 320 ,  240 );

   $s  = new  SWFShape ();

   // first gradient- black to white
   $g  = new  SWFGradient ();
   $g -> addEntry ( 0.0 ,  0 ,  0 ,  0 );
   $g -> addEntry ( 1.0 ,  0xff ,  0xff ,  0xff );

   $f  =  $s -> addFill ( $g ,  SWFFILL_LINEAR_GRADIENT );
   $f -> scaleTo ( 0.01 );
   $f -> moveTo ( 160 ,  120 );
   $s -> setRightFill ( $f );
   $s -> drawLine ( 320 ,  0 );
   $s -> drawLine ( 0 ,  240 );
   $s -> drawLine (- 320 ,  0 );
   $s -> drawLine ( 0 , - 240 );

   $m -> add ( $s );

   $s  = new  SWFShape ();

   // second gradient- radial gradient from red to transparent
   $g  = new  SWFGradient ();
   $g -> addEntry ( 0.0 ,  0xff ,  0 ,  0 ,  0xff );
   $g -> addEntry ( 1.0 ,  0xff ,  0 ,  0 ,  0 );

   $f  =  $s -> addFill ( $g ,  SWFFILL_RADIAL_GRADIENT );
   $f -> scaleTo ( 0.005 );
   $f -> moveTo ( 160 ,  120 );
   $s -> setRightFill ( $f );
   $s -> drawLine ( 320 ,  0 );
   $s -> drawLine ( 0 ,  240 );
   $s -> drawLine (- 320 ,  0 );
   $s -> drawLine ( 0 , - 240 );

   $m -> add ( $s );

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