testcases/phpCairo/leaky-dashed-rectangle.php

   1 <?
   2     $width = 60;
   3     $height = 60;
   4     $sur = new CairoImageSurface(FORMAT_ARGB32, $width, $height);
   5     $con = new CairoContext($sur);
   6
   7     $dash = array(4.0, 2.0);
   8
   9     $con->set_source_rgb ( 1, 1, 1);
  10     $con->paint ();
  11
  12     $con->set_source_rgb ( 0., 0., 0);
  13
  14     $con->translate ( 0.5, .5);
  15     $con->set_line_width ( 1); /* This is vital to reproduce the bug. */
  16
  17     /* First check simple rectangles */
  18     $con->set_source_rgb ( 0., 0., 0);
  19     $con->rectangle ( -$width/4, -$height/4, $width, $height);
  20     $con->stroke ();
  21     $con->rectangle ( $width+$width/4, -$height/4, -$width, $height);
  22     $con->stroke ();
  23     $con->rectangle ( -$width/4, $height+$height/4, $width, -$height);
  24     $con->stroke ();
  25     $con->rectangle ( $width+$width/4, $height+$height/4, -$width, -$height);
  26     $con->stroke ();
  27
  28     $con->set_dash ( $dash, 2, 0);
  29
  30     /* And now dashed. */
  31     $con->set_source_rgb ( 1., 0., 0);
  32     $con->rectangle ( -$width/4, -$height/4, $width, $height);
  33     $con->stroke ();
  34     $con->set_source_rgb ( 0., 1., 0);
  35     $con->rectangle ( $width+$width/4, -$height/4, -$width, $height);
  36     $con->stroke ();
  37     $con->set_source_rgb ( 0., 0., 1);
  38     $con->rectangle ( -$width/4, $height+$height/4, $width, -$height);
  39     $con->stroke ();
  40     $con->set_source_rgb ( 1., 1., 0);
  41     $con->rectangle ( $width+$width/4, $height+$height/4, -$width, -$height);
  42     $con->stroke ();
  43     $sur->write_to_png("leaky-dashed-rectangle-php.png");
  44 ?>