function InitScaleConstants() { // Setup scale constants if ($this->yscale) { $this->yscale->InitConstants($this->img); } if ($this->xscale) { $this->xscale->InitConstants($this->img); } if ($this->y2scale) { $this->y2scale->InitConstants($this->img); } $n = count($this->ynscale); for ($i = 0; $i < $n; ++$i) { if ($this->ynscale[$i]) { $this->ynscale[$i]->InitConstants($this->img); } } }