testcases/phpCairo/finer-grained-fallbacks.php

   1 <?
   2 $cisize = 10;
   3 $pad = 2;
   4 $width = $cisize*6.5 + $pad;
   5 $height = $cisize*3.5 + $pad;
   6
   7 function draw_circle($x, $y)
   8 {
   9         global $con, $cisize;
  10         $con->save();
  11         $con->translate($x,$y);
  12         $con->arc(0,0,$cisize / 2,0,2*M_PI);
  13         $con->fill();
  14         $con->restore();
  15 }
  16
  17 function draw_circles()
  18 {
  19         global $con, $cisize;
  20         draw_circle(0, $cisize*-0.1);
  21         draw_circle($cisize*0.4, $cisize*0.25);
  22         draw_circle($cisize*2,0);
  23         draw_circle($cisize*4,0);
  24         draw_circle($cisize*6,0);
  25 }
  26
  27 $sur = new CairoImageSurface(FORMAT_ARGB32, $width, $height);
  28 $con = new CairoContext($sur);
  29
  30 $con->translate($pad, $pad);
  31 $con->setSourceRgb(0,1,0);
  32 $con->setOperator(OPERATOR_OVER);
  33 draw_circle($cisize*0.5, $cisize*1.5);
  34 $con->setSourceRgb(1,0,0);
  35 $con->setOperator(OPERATOR_ADD);
  36 draw_circle($cisize*0.75, $cisize*1.75);
  37 $con->setSourceRgb(0,1,0);
  38 $con->setOperator(OPERATOR_OVER);
  39 $con->translate($cisize*2.5, $cisize*0.6);
  40 draw_circles();
  41 $con->setSourceRgb(1,0,0);
  42 $con->setOperator(OPERATOR_ADD);
  43 $con->translate(0, $cisize*2);
  44 draw_circles();
  45
  46 $sur->writeToPng("finer-grained-fallbacks-php.png");
  47 ?>
  48