public function processOperations(Image $input_image, Image $output_image = null)
{
$command_line = $this->getImageMagickConvert();
$this->temp_input_filename = $this->getTempFilename('input_');
file_put_contents($this->temp_input_filename, $input_image->getImageData());
// Check for a SequenceNumber or Density operation. They're a little special.
foreach ($this->operations as $index => $operation) {
if ($operation instanceof SequenceNumber) {
$frame = (int) $operation->getValue();
if (!$frame) {
throw new ImageMagickException('Frame was not an integer');
}
$this->temp_input_filename .= '[' . $frame . ']';
unset($this->operations[$index]);
}
if ($operation instanceof Density) {
$density = (int) $operation->getValue();
if (!$density) {
throw new ImageMagickException('Density was not an integer');
}
$command_line .= ' -density ' . $density;
unset($this->operations[$index]);
}
}
$command_line .= ' ' . escapeshellarg($this->temp_input_filename) . ' ';
foreach ($this->operations as $operation) {
if ($operation instanceof InstantOperation) {
return $operation->process($input_image, $command_line);
}
$command_line = $operation->process($input_image, $command_line)->getCommandLine() . ' ';
}
$temp_output_filename = '';
if ($output_image) {
$temp_output_filename = $this->getTempFilename('output_');
$command_line .= $this->getOutputFileWithFormat($temp_output_filename);
}
// Remove extra whitespace between operations
$command_line = preg_replace('/\\s+/', ' ', $command_line);
// Check for a no-op. Don't lose fidelity by converting it to itself
// Also check to make sure it hasn't been forced. We assume that the Convert operation wouldn't set the format if it didn't have to.
if (!$this->output_format_is_forced && trim($command_line) == $this->getImageMagickConvert() . ' ' . escapeshellarg($this->temp_input_filename) . ' ' . $this->getOutputFileWithFormat($temp_output_filename)) {
copy($this->temp_input_filename, $temp_output_filename);
$output = array('No-op; Copied image');
$status = 0;
} else {
exec($command_line, $output, $status);
}
if ($status) {
throw new ImageMagickException('Error executing ImageMagick: ' . $status);
}
if ($output_image && $this->temp_input_filename) {
$output_image->setImageData(file_get_contents($temp_output_filename));
}
return implode("\n", $output);
}
public function process(Image $image, $command_line = '')
{
$status = 0;
$output = array();
$temp_file = $this->processor->getTempFilename('info_');
file_put_contents($temp_file, $image->getImageData());
exec($this->processor->getImageMagickConvert() . ' -density 120 ' . escapeshellarg($temp_file) . ' -format "%w,%h,%z,%m,%Q" info:', $output, $status);
$result = new Result();
$result->setCommandLine($command_line);
if (!$status) {
$size_arr = explode(',', $output[0]);
$result->setExtra(array('width' => $size_arr[0], 'height' => $size_arr[1], 'depth' => $size_arr[2], 'type' => $size_arr[3], 'quality' => $size_arr[4]));
}
return $result;
}
public function process(Image $image, $command_line = '')
{
if ($this->mode & CommonOptions::MODE_FILL_AREA_OR_FIT) {
// Both...so if it's larger, shrink it to fill the area.
// Otherwise, fit it.
// What's my current width & height?
$current_image_filename = $this->processor->getTempFilename('current_');
$output_filename = $this->processor->getTempFilename('resize_temp_');
file_put_contents($current_image_filename, $image->getImageData());
// 0 => width, 1 => height
$current_image_data = getimagesize($current_image_filename);
exec($command_line . ' ' . escapeshellarg($output_filename));
// 0 => width, 1 => height
$image_data = getimagesize($output_filename);
// Image is smaller in some dimension. Follow the "Only shrink larger" directive, just fit instead.
if ($image_data[0] < $current_image_data[0] || $image_data[1] < $current_image_data[1]) {
$this->mode = 0;
} elseif ($this->width == $image_data[0] && $this->height == $image_data[1]) {
// The image is the exact same size. Don't lose fidelity by resizing it.
$result = new Result();
$result->setCommandLine($command_line);
return $result;
} else {
$this->mode = CommonOptions::MODE_FILL_AREA;
}
}
if ($this->mode & CommonOptions::MODE_ONLY_SHRINK_LARGER) {
$command_line .= ' -gravity ' . escapeshellarg($this->gravity);
$command_line .= ' -thumbnail ' . escapeshellarg($this->width . 'x' . $this->height . '>');
} elseif ($this->mode & CommonOptions::MODE_FILL_AREA) {
$command_line .= ' -gravity ' . escapeshellarg($this->gravity);
$command_line .= ' -thumbnail ' . escapeshellarg($this->width . 'x' . $this->height . '^');
} elseif ($this->mode & CommonOptions::MODE_RESIZE_ABSOLUTE) {
$command_line .= ' -gravity ' . escapeshellarg($this->gravity);
$command_line .= ' -thumbnail ' . escapeshellarg($this->width . 'x' . $this->height . '!');
} else {
$command_line .= ' -gravity ' . escapeshellarg($this->gravity);
$command_line .= ' -thumbnail ' . escapeshellarg($this->width . 'x' . $this->height);
}
$result = new Result();
$result->setCommandLine($command_line);
return $result;
}
public function process(Image $image, $command_line = '')
{
if (!$this->compare_to) {
throw new ImageMagickException('No image to compare to!');
}
$output_file = $this->processor->getTempFilename('output_');
$left_file = $this->processor->getTempFilename('left_');
$right_file = $this->processor->getTempFilename('right_');
if ($this->use_current) {
$status = 0;
$output = array();
// Use the current queue, not the given file.
exec($command_line . ' ' . $left_file, $output, $status);
if ($status) {
throw new ImageMagickException('Could not compare images: ' . implode("\n", $output));
}
} else {
file_put_contents($left_file, $image->getImageData());
}
file_put_contents($right_file, $this->compare_to->getImageData());
$status = 0;
$output = array();
exec($this->processor->getImageMagickPath() . DIRECTORY_SEPARATOR . 'compare -metric PSNR ' . escapeshellarg($left_file) . ' ' . escapeshellarg($right_file) . ' ' . ' -quality 100 ' . escapeshellarg($output_file) . ' 2>&1', $output, $status);
if ($status == 1 && $this->processor->hasImageMagickQuirk(Processor::QUIRK_RESULT_IS_ONE_WHEN_COMPARE_FAILS)) {
// $status > 1 means something else failed. 1 means the images weren't exactly the same.
$status = 0;
}
if ($status == 0) {
if (stripos($output[0], 'inf') !== false) {
// IM sometimes returns 1.#INF instead of "inf". Normalize it to what we expect.
$output[0] = 'inf';
}
}
if ($status) {
throw new ImageMagickException('Could not compare images: (' . $status . ') ' . implode("\n", $output));
}
$result = new Result();
$result->setCommandLine($command_line);
if (!$status) {
$result->setImage(new File($output_file))->setExtra(implode(PHP_EOL, $output));
}
return $result;
}