private function loadSource(PhutilSprite $sprite)
{
$file = $sprite->getSourceFile();
if (empty($this->sources[$file])) {
$data = Filesystem::readFile($file);
$this->sources[$file] = imagecreatefromstring($data);
}
return $this->sources[$file];
}
private function loadSource(PhutilSprite $sprite, $scale)
{
$file = $sprite->getSourceFile($scale);
if (empty($this->sources[$file])) {
$data = Filesystem::readFile($file);
$image = imagecreatefromstring($data);
$this->sources[$file] = array('image' => $image, 'x' => imagesx($image), 'y' => imagesy($image));
}
$s_w = $sprite->getSourceW() * $scale;
$i_w = $this->sources[$file]['x'];
if ($s_w > $i_w) {
throw new Exception(pht("Sprite source for '%s' is too small (expected width %d, found %d).", $file, $s_w, $i_w));
}
$s_h = $sprite->getSourceH() * $scale;
$i_h = $this->sources[$file]['y'];
if ($s_h > $i_h) {
throw new Exception(pht("Sprite source for '%s' is too small (expected height %d, found %d).", $file, $s_h, $i_h));
}
return $this->sources[$file]['image'];
}
