testcases/phpCairo/a1-image-sample.php

   1 <?
   2 $points = 10;
   3 $step = 1.0/ $points;
   4 $pad = 1;
   5 $width = ($pad + ($points*2) + $pad);
   6 $height = $width;
   7 //$n1 = array("255","255","0","0");
   8 //$n = implode($n1);
   9 $sur = new CairoImageSurface(FORMAT_ARGB32,$width,$height);
  10 $s = new CairoImageSurface(FORMAT_ARGB32,1,1);
  11 //$s->create_from_data($n, FORMAT_ARGB32, 1, 1, 4);
  12 $con = new CairoContext($sur);
  13 $c = new CairoContext($s);
  14 $c->setSourceRgb(0,0,0);
  15 $c->paint();
  16 $con->setSourceRgb(1,1,1);
  17 $con->paint();
  18
  19 $con->setSourceRgb(0,0,0);
  20 $con->translate($pad, $pad);
  21 $con->setAntialias(ANTIALIAS_NONE);
  22
  23 for($i = 0; $i < $points; $i++)
  24         for($j = 0; $j < $points; $j++) {
  25                 $t1 = (2 * $i) + (($i+1) * $step);
  26                 $t2 = (2 * $j) + (($j+1) * $step);
  27                 $con->setSourceSurface($s, $t1, $t2);
  28                 $pat = $con->getSource();
  29                 $pat->setFilter(FILTER_NEAREST);
  30                 $con->paint();
  31         }
  32 $sur->writeToPng('a1-image-sample-php.png');
  33 ?>
  34
  35