4 $sur = new CairoImageSurface(FORMAT_ARGB32
, $size, $size);
5 $con = new CairoContext($sur);
7 $con->set_source_rgb(0,0,1);
8 $con->rectangle($pad, $pad, $size - 2*$pad, $size - 2*$pad);
11 $s = $con->get_group_target();
12 $c = $s->get_content();
13 $s1 = $s->create_similar($c, $size/2, $size/2);
15 $c = new CairoContext($s1);
16 $c->set_source_rgb(1,0,0);
17 $c->rectangle($pad, $pad, $size - 2*$pad, $size - 2*$pad);
20 $s1->set_device_offset($size/2, $size/2);
21 $con->set_source_surface($s1, $size/2, $size/2);
24 $sur->write_to_png("device-offset-positive-php.png");