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# SWFDisplayItem->setRatio

(unknown)

SWFDisplayItem->setRatio -- Sets the object's ratio.

## Description

``void swfdisplayitem->setratio` (float ratio)`

Warning
This function is EXPERIMENTAL. The behaviour of this function, the name of this function, and anything else documented about this function may change in a future release of PHP without notice. Be warned and use this function at your own risk.

swfdisplayitem->setratio() sets the object's ratio to `ratio`. Obviously only useful for morphs.

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

This simple example will morph nicely three concentric circles.

Example 1. swfdisplayitem->setname() example
    <?php

      $p = new SWFMorph();

      $g = new SWFGradient();
      $g->addEntry(0.0, 0, 0, 0);
      $g->addEntry(0.16, 0xff, 0xff, 0xff);
      $g->addEntry(0.32, 0, 0, 0);
      $g->addEntry(0.48, 0xff, 0xff, 0xff);
      $g->addEntry(0.64, 0, 0, 0);
      $g->addEntry(0.80, 0xff, 0xff, 0xff);
      $g->addEntry(1.00, 0, 0, 0);

      $s = $p->getShape1();
      $f = $s->addFill($g, SWFFILL_RADIAL_GRADIENT);
      $f->scaleTo(0.05);
      $s->setLeftFill($f);
      $s->movePenTo(-160, -120);
      $s->drawLine(320, 0);
      $s->drawLine(0, 240);
      $s->drawLine(-320, 0);
      $s->drawLine(0, -240);

      $g = new SWFGradient();
      $g->addEntry(0.0, 0, 0, 0);
      $g->addEntry(0.16, 0xff, 0, 0);
      $g->addEntry(0.32, 0, 0, 0);
      $g->addEntry(0.48, 0, 0xff, 0);
      $g->addEntry(0.64, 0, 0, 0);
      $g->addEntry(0.80, 0, 0, 0xff);
      $g->addEntry(1.00, 0, 0, 0);

      $s = $p->getShape2();
      $f = $s->addFill($g, SWFFILL_RADIAL_GRADIENT);
      $f->scaleTo(0.05);
      $f->skewXTo(1.0);
      $s->setLeftFill($f);
      $s->movePenTo(-160, -120);
      $s->drawLine(320, 0);
      $s->drawLine(0, 240);
      $s->drawLine(-320, 0);
      $s->drawLine(0, -240);

      $m = new SWFMovie();
      $m->setDimension(320, 240);
      $i = $m->add($p);
      $i->moveTo(160, 120);

      for($n=0; $n<=1.001; $n+=0.01)
      {
        $i->setRatio($n);
        $m->nextFrame();
      }

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

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