Graphicsmagick.php

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<?php
namespace Depage\Graphics\Providers;
 
class Graphicsmagick extends Imagemagick
{
    protected function crop($width, $height, $x = 0, $y = 0)
    {
        if (!$this->bypassTest($width, $height, $x, $y)) {
            // '+' for positive offset (the '-' is already there)
            $x = ($x < 0) ? $x : '+' . $x;
            $y = ($y < 0) ? $y : '+' . $y;
 
            $xExtent = ($x > 0) ? "+0" : $x;
            $yExtent = ($y > 0) ? "+0" : $y;
            $this->command .= " -gravity NorthWest -crop {$width}x{$height}{$x}{$y}! -gravity NorthWest -extent {$width}x{$height}{$xExtent}{$yExtent}";
            $this->size = array($width, $height);
        }
    }
 
    protected function getImageSize()
    {
        $imageSize = false;
        if (is_callable('getimagesize')) {
            $imageSize = getimagesize($this->input);
        }
        if (!$imageSize) {
            $pageNumber = $this->getPageNumber();
            exec("{$this->executable} identify -ping -format \"%wx%h\" " . escapeshellarg($this->input) . $pageNumber . ' 2>&1', $commandOutput, $returnStatus);
            if ($returnStatus === 0) {
                $imageSize = explode('x', $commandOutput[0]);
            } else {
                $this->unlock();
 
                throw new \Depage\Graphics\Exceptions\Exception(implode("\n", $commandOutput));
            }
        }
 
        return $imageSize;
    }
 
    public function render($input, $output = null)
    {
        \Depage\Graphics\Graphics::render($input, $output);
 
        $pageNumber = $this->getPageNumber();
 
        $this->command = $this->executable . " convert " . escapeshellarg($this->input) . "{$pageNumber} -background none";
        $this->processQueue();
 
        if ($this->otherRender && file_exists($this->output)) {
            // do nothing file is already generated
        } else if (
            $this->bypass
            && $this->inputFormat == $this->outputFormat
        ) {
            $this->bypass();
        } else {
            $quality = $this->getQuality();
            $optimize   = $this->getOptimize();
 
            if ($this->background === 'checkerboard') {
                $tempFile = tempnam(sys_get_temp_dir(), 'depage-graphics-');
                $this->command .= " miff:{$tempFile}";
 
                $this->execCommand();
 
                $canvasSize = $this->size[0] . "x" . $this->size[1];
 
                $this->command = $this->executable . " convert";
                $this->command .= " -page {$canvasSize} -size {$canvasSize} pattern:checkerboard";
                $this->command .= " -page {$canvasSize} miff:{$tempFile} -colorspace rgb -flatten {$quality}{$optimize} +page {$this->outputFormat}:" . escapeshellarg($this->output);
 
                $this->execCommand();
                unlink($tempFile);
            } else {
                $background = $this->getBackground();
                $this->command .= "{$background} -colorspace rgb {$quality}{$optimize} +page {$this->outputFormat}:" . escapeshellarg($this->output);
 
                $this->execCommand();
 
                if ($this->optimize) {
                    $this->optimizeImage($this->output);
                }
            }
        }
 
        parent::renderFinished();
    }
 
    protected function getBackground()
    {
        if ($this->background[0] === '#') {
            $background = " -flatten -background {$this->background}";
        } elseif ($this->outputFormat == 'jpg') {
            $background = " -flatten -background #FFF";
        } else {
            $background = '';
        }
 
        return $background;
    }
}
 
/* vim:set ft=php sw=4 sts=4 fdm=marker et : */