The SWFGradient class

Введение

SWFGradient.

Class synopsis

SWFGradient
class SWFGradient {
/* Methods */
void addEntry ( float $ratio , int $red , int $green , int $blue [, int $a ] )
SWFGradient __construct ( void )
}

Содержание

Коментарии

Gradient fills are implemented in SWF as a color ramp, mapped onto a square from (-16384, -16384) to (16384, 16384) TWIPS.

The following code creates a movie, displaying a square with a gradient fill, correctly scaled to the size of the shape.

<?php

//Set the scale to TWIPS rather than PIXELS
ming_setscale(1.0);

//Create the movie
$m = new SWFMovie();
$m->setRate(12.0);
$m->setDimension(400,400);
$m->setBackground(0xff0xff0xff);

//Width and height of rectangle
$sx 300;
$sy 300;

//Create rectangle
$s = new SWFShape();

//Gradient file stuff here...
$g = new SWFGradient();
$g->addEntry(0.00x000x000xff);    // Start off Blue
$g->addEntry(1.00xff0xff0x00);    // Finish off Yellow

// Add gradient fill to the shape
$f $s->addFill($g);

//Centre the gradient fill against the rectangle
$f->moveTo($sx/2$sy/2);
//Scale it to the shape, so that the entire gradient fits inside the shape
$f->scaleTo($sx/327681);

// Set the shapes fill to be the added gradient fill
$s->setRightFill($f);

//Draw the rectangle
$s->drawLine($sx0);
$s->drawLine(0$sy);
$s->drawLine(-$sx0);
$s->drawLine(0, -$sy);

//Add the shape to the movie
$sh $m->add($s);
$sh->moveTo(5050);

// Output the movie
header("Content-type: application/x-shockwave-flash");
$m->output();

?>

More info about this can be obtained from 
http://www.openswf.org/spec/SWFfilereference.html#h4FillTypes
2002-03-13 12:49:23
http://php5.kiev.ua/manual/ru/class.swfgradient.html

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