testcases/phpCairo/mask-ctm.php

   1 <?
   2 $sur = new CairoImageSurface(FORMAT_ARGB32, 10, 10);
   3 $con = new CairoContext($sur);
   4
   5 $data="";
   6 for($i = 0; $i<4; $i++) {
   7         $data = $data . chr(0x80);
   8     $data = $data . chr(0x00);
   9     $data = $data . chr(0x00);
  10     $data = $data . chr(0x00);
  11 }
  12
  13 $s = new CairoImageSurface(FORMAT_ARGB32,1,1);
  14 $s->create_from_data(data,FORMAT_ARGB32, 2, 2, 8);
  15 $pat = new CairoSurfacePattern($s);
  16 $con->set_source_rgb(1,0,0);
  17
  18 $con->save();
  19 $con->translate(2,2);
  20 $con->mask($pat);
  21 $con->restore();
  22
  23 $mat = new CairoMatrix();
  24 $mat->translate(-4,-4);
  25 $pat->set_matrix($mat);
  26
  27 $con->mask($pat);
  28
  29 $con->translate(2,2);
  30 $con->mask($pat);
  31
  32 $sur->write_to_png("mask-ctm-php.png");
  33 ?>
  34
  35
  36