$imageInfo = $this->getImageInfo($zipPath, $file);
$region = array();
- foreach (array('x', 'y', 'w', 'h') as $key) {
+ foreach (array('x', 'y', 'width', 'height') as $key) {
if (array_key_exists($key, $requestEnv)) {
$region[$key] = $requestEnv[$key];
}
}
$regionDimensions = $this->getRegionDimensions($imageInfo, $region);
- /* $$$ remove
+ /*
+ print('imageInfo');
print_r($imageInfo);
+ print('region');
print_r($region);
+ print('regionDimensions');
print_r($regionDimensions);
+ print('asFloat');
+ print_r($this->getRegionDimensionsAsFloat($imageInfo, $region));
+ die(-1);
*/
// Output json if requested
// image processing load on our cluster. The client should then scale to their final
// needed size.
- // Set scale from height or width if set
- if (isset($requestEnv['height'])) {
+ // Set scale from height or width if set and no x or y specified
+ if ( isset($requestEnv['height']) && !isset($requestEnv['x']) && !isset($requestEnv['y']) ) {
$powReduce = $this->nearestPow2Reduce($requestEnv['height'], $imageInfo['height']);
$scale = pow(2, $powReduce);
- } else if (isset($requestEnv['width'])) {
+ } else if ( isset($requestEnv['width']) && !isset($requestEnv['x']) && !isset($requestEnv['y']) ) {
$powReduce = $this->nearestPow2Reduce($requestEnv['width'], $imageInfo['width']);
$scale = pow(2, $powReduce);
$unzipCmd = $this->getUnarchiveCommand($zipPath, $file);
- $decompressCmd = $this->getDecompressCmd($imageInfo['type'], $powReduce, $rotate, $scale, $stdoutLink);
+ $decompressCmd = $this->getDecompressCmd($imageInfo, $powReduce, $rotate, $scale, $region, $stdoutLink);
// Non-integer scaling is currently disabled on the cluster
// if (isset($_REQUEST['height'])) {
$powReduce = min($powReduce, $maxReduce);
$reduce = pow(2, $powReduce);
- $cmd = $unzipCmd . $this->getDecompressCmd($imageInfo['type'], $powReduce, $rotate, $scale, $stdoutLink) . $compressCmd;
+ $cmd = $unzipCmd . $this->getDecompressCmd($imageInfo, $powReduce, $rotate, $scale, $region, $stdoutLink) . $compressCmd;
trigger_error('BookReader rerunning with new cmd: ' . $cmd, E_USER_WARNING);
if ($this->passthruIfSuccessful($headers, $cmd, $errorMessage)) { // $$$ move to BookReaderRequest
$recovered = true;
echo $jsonOutput;
}
- function getDecompressCmd($imageType, $powReduce, $rotate, $scale, $stdoutLink) {
+ function getDecompressCmd($srcInfo, $powReduce, $rotate, $scale, $region, $stdoutLink) {
- switch ($imageType) {
+ switch ($srcInfo['type']) {
case 'jp2':
+ $regionAsFloat = $this->getRegionDimensionsAsFloat($srcInfo, $region);
+ $regionString = sprintf("{%f,%f},{%f,%f}", $regionAsFloat['y'], $regionAsFloat['x'], $regionAsFloat['h'], $regionAsFloat['w']);
$decompressCmd =
- " | " . $this->kduExpand . " -no_seek -quiet -reduce $powReduce -rotate $rotate -i /dev/stdin -o " . $stdoutLink;
+ " | " . $this->kduExpand . " -no_seek -quiet -reduce $powReduce -rotate $rotate -region $regionString -i /dev/stdin -o " . $stdoutLink;
if ($this->decompressToBmp) {
// We suppress output since bmptopnm always outputs on stderr
$decompressCmd .= ' | (bmptopnm 2>/dev/null)';
return $decompressCmd;
}
+
// If the command has its initial output on stdout the headers will be emitted followed
// by the stdout output. If initial output is on stderr an error message will be
// returned.
$sourceX = 0;
if (array_key_exists('x', $regionDimensions)) {
- $sourceX = intAmount($regionDimensions['x'], $sourceDimensions['width']);
+ $sourceX = $this->intAmount($regionDimensions['x'], $sourceDimensions['width']);
}
$sourceX = $this->clamp(0, $sourceDimensions['width'] - 2, $sourceX); // Allow at least one pixel
$sourceY = 0;
if (array_key_exists('y', $regionDimensions)) {
- $sourceY = intAmount($regionDimensions['y'], $sourceDimensions['height']);
+ $sourceY = $this->intAmount($regionDimensions['y'], $sourceDimensions['height']);
}
$sourceY = $this->clamp(0, $sourceDimensions['height'] - 2, $sourceY); // Allow at least one pixel
$sourceWidth = $sourceDimensions['width'] - $sourceX;
- if (array_key_exists('w', $regionDimensions)) {
- $sourceWidth = intAmount($regionDimensions['w'], $sourceDimensions['width']);
+ if (array_key_exists('width', $regionDimensions)) {
+ $sourceWidth = $this->intAmount($regionDimensions['width'], $sourceDimensions['width']);
}
$sourceWidth = $this->clamp(1, max(1, $sourceDimensions['width'] - $sourceX), $sourceWidth);
$sourceHeight = $sourceDimensions['height'] - $sourceY;
- if (array_key_exists('h', $regionDimensions)) {
- $sourceHeight = intAmount($regionDimensions['h'], $sourceDimensions['height']);
+ if (array_key_exists('height', $regionDimensions)) {
+ $sourceHeight = $this->intAmount($regionDimensions['height'], $sourceDimensions['height']);
}
$sourceHeight = $this->clamp(1, max(1, $sourceDimensions['height'] - $sourceY), $sourceHeight);
// Return region dimensions as { 'x' => xOffset, 'y' => yOffset, 'w' => width, 'h' => height }
// in terms of full resolution image.
// Note: this will clip the returned dimensions to fit within the source image
-
+
$sourceX = 0;
if (array_key_exists('x', $regionDimensions)) {
- $sourceX = floatAmount($regionDimensions['x'], $sourceDimensions['width']);
+ $sourceX = $this->floatAmount($regionDimensions['x'], $sourceDimensions['width']);
}
$sourceX = $this->clamp(0.0, 1.0, $sourceX);
$sourceY = 0;
if (array_key_exists('y', $regionDimensions)) {
- $sourceY = floatAmount($regionDimensions['y'], $sourceDimensions['height']);
+ $sourceY = $this->floatAmount($regionDimensions['y'], $sourceDimensions['height']);
}
- $sourceY = $this->clamp(0.0, 1.0, $sourceY); // Allow at least one pixel
+ $sourceY = $this->clamp(0.0, 1.0, $sourceY);
- $sourceWidth = $sourceDimensions['width'] - $sourceX;
- if (array_key_exists('w', $regionDimensions)) {
- $sourceWidth = floatAmount($regionDimensions['w'], $sourceDimensions['width']);
+ $sourceWidth = 1 - $sourceX;
+ if (array_key_exists('width', $regionDimensions)) {
+ $sourceWidth = $this->floatAmount($regionDimensions['width'], $sourceDimensions['width']);
}
$sourceWidth = $this->clamp(0.0, 1.0, $sourceWidth);
- $sourceHeight = $sourceDimensions['height'] - $sourceY;
- if (array_key_exists('h', $regionDimensions)) {
- $sourceHeight = floatAmount($regionDimensions['h'], $sourceDimensions['height']);
+ $sourceHeight = 1 - $sourceY;
+ if (array_key_exists('height', $regionDimensions)) {
+ $sourceHeight = $this->floatAmount($regionDimensions['height'], $sourceDimensions['height']);
}
$sourceHeight = $this->clamp(0.0, 1.0, $sourceHeight);