testcases/phpCairo/scale-down-source-surface-paint.php

   1 <?
   2 $sur = new CairoImageSurface(FORMAT_ARGB32, 6, 6);
   3 $con = new CairoContext($sur);
   4
   5 $data="";
   6
   7 for($i=0; $i<2;$i++) {
   8 $data.=chr(0xff);
   9 $data.=chr(0xff);
  10 $data.=chr(0xff);
  11 $data.=chr(0xff);
  12
  13 $data.=chr(0xff);
  14 $data.=chr(0xff);
  15 $data.=chr(0xff);
  16 $data.=chr(0xff);
  17
  18 $data.=chr(0x00);
  19 $data.=chr(0x00);
  20 $data.=chr(0xff);
  21 $data.=chr(0xff);
  22
  23 $data.=chr(0x00);
  24 $data.=chr(0x00);
  25 $data.=chr(0xff);
  26 $data.=chr(0xff);
  27 }
  28
  29 for($i=0; $i<2;$i++) {
  30 $data.=chr(0x00);
  31 $data.=chr(0xff);
  32 $data.=chr(0x00);
  33 $data.=chr(0xff);
  34
  35 $data.=chr(0x00);
  36 $data.=chr(0xff);
  37 $data.=chr(0x00);
  38 $data.=chr(0xff);
  39
  40 $data.=chr(0xff);
  41 $data.=chr(0x00);
  42 $data.=chr(0x00);
  43 $data.=chr(0xff);
  44
  45 $data.=chr(0xff);
  46 $data.=chr(0x00);
  47 $data.=chr(0x00);
  48 $data.=chr(0xff);
  49 }
  50 $con->setSourceRgb(0,0,0);
  51 $con->paint();
  52
  53 $s = new CairoImageSurface(FORMAT_ARGB32, 100,100);
  54 $s->createFromData($data, FORMAT_RGB24, 4, 4, 16);
  55 //$con->test_paint_checkered();
  56 $con->scale(0.5,0.5);
  57 $con->setSourceSurface($s,4,4);
  58 $pat = $con->getSource();
  59 $pat->setFilter( FILTER_NEAREST);
  60 $con->paint();
  61
  62 $sur->writeToPng("scale-down-source-surface-paint-php.png");
  63 ?>