mosbth / cimage

        // Only use a specified area of the image, $this->offset is defining the area to use

        if (isset($this->offset)) {

            $this->log("Offset for area to use, cropping it width={$this->offset['width']}, height={$this->offset['height']}, start_x={$this->offset['left']}, start_y={$this->offset['top']}");

            $img = $this->CreateImageKeepTransparency($this->offset['width'], $this->offset['height']);

            imagecopy($img, $this->image, 0, 0, $this->offset['left'], $this->offset['top'], $this->offset['width'], $this->offset['height']);

            $this->image = $img;

            $this->width = $this->offset['width'];

            $this->height = $this->offset['height'];

        }

        if ($this->crop) {

            // Do as crop, take only part of image

            $this->log("Cropping area width={$this->crop['width']}, height={$this->crop['height']}, start_x={$this->crop['start_x']}, start_y={$this->crop['start_y']}");

            $this->height = $this->offset['height'];

        }

        if ($this->crop) {

            // Do as crop, take only part of image

            $this->log("Cropping area width={$this->crop['width']}, height={$this->crop['height']}, start_x={$this->crop['start_x']}, start_y={$this->crop['start_y']}");

            $img = $this->CreateImageKeepTransparency($this->crop['width'], $this->crop['height']);

            imagecopy($img, $this->image, 0, 0, $this->crop['start_x'], $this->crop['start_y'], $this->crop['width'], $this->crop['height']);

            $this->image = $img;

            $this->width = $this->crop['width'];

            $this->height = $this->crop['height'];

        }

        if (!$this->upscale) {

            // Consider rewriting the no-upscale code to fit within this if-statement,

            // likely to be more readable code.