testcases/phpCairo/a8-mask.php

   1 <?
   2 $width = 8;
   3 $height = 8;
   4 $sur = new CairoImageSurface(FORMAT_ARGB32, $width, $height);
   5 $con = new CairoContext($sur);
   6 $s = new CairoImageSurface(FORMAT_A8,$width,$height);
   7 $str="";
   8 $stride = $s->getStride();
   9
  10 for($i=0; $i<8; $i++) {
  11         $str=$str . chr(0);
  12         $str=$str . chr(0);
  13         $str=$str . chr(255);
  14         $str=$str . chr(0);
  15         $str=$str . chr(255);
  16         $str=$str . chr(0);
  17         $str=$str . chr(0);
  18         $str=$str . chr(0);
  19 }
  20
  21 echo $str;
  22 $s->createFromData($str, FORMAT_A8, $width, $height);
  23 $con->setSourceRgb(0,0,1);
  24 $con->paint();
  25
  26 $con->setSourceRgb(1,0,0);
  27 $con->maskSurface($s,0,0);
  28 $sur->writeToPng("a8-mask-php.png");
  29 ?>