/**
* {@inheritdoc}
*/
public function current()
{
if (!isset($this->layers[$this->offset])) {
try {
$this->resource->setimageindex($this->offset);
$this->layers[$this->offset] = $this->resource->getimage();
} catch (\GmagickException $e) {
throw new RuntimeException(sprintf('Failed to extract layer %d', $this->offset), $e->getCode(), $e);
}
}
return new Image($this->layers[$this->offset]);
}
/**
* {@inheritdoc}
*/
public function getSize()
{
try {
$i = $this->gmagick->getimageindex();
$this->gmagick->setimageindex(0);
//rewind
$width = $this->gmagick->getimagewidth();
$height = $this->gmagick->getimageheight();
$this->gmagick->setimageindex($i);
} catch (\GmagickException $e) {
throw new RuntimeException('Get size operation failed', $e->getCode(), $e);
}
return new Box($width, $height);
}
/**
* {@inheritdoc}
*/
public function offsetUnset($offset)
{
try {
$this->extractAt($offset);
} catch (RuntimeException $e) {
return;
}
try {
$this->resource->setimageindex($offset);
$this->resource->removeimage();
} catch (\GmagickException $e) {
throw new RuntimeException('Unable to remove layer', $e->getCode(), $e);
}
}
function encode_gmagick($ps_filepath, $ps_output_path, $pa_options)
{
if (!($magick = $this->mimetype2magick[$pa_options["output_mimetype"]])) {
$this->error = "Invalid output format";
return false;
}
#
# Open image
#
try {
$h = new Gmagick($ps_filepath);
$h->setimageindex(0);
// force use of first image in multi-page TIFF
} catch (Exception $e) {
$this->error = "Couldn't open image {$ps_filepath}";
return false;
}
if (function_exists('exif_read_data')) {
if (is_array($va_exif = @exif_read_data($ps_filepath, 'EXIF', true, false))) {
if (isset($va_exif['IFD0']['Orientation'])) {
$vn_orientation = $va_exif['IFD0']['Orientation'];
switch ($vn_orientation) {
case 3:
$h->rotateimage("#FFFFFF", 180);
break;
case 6:
$h->rotateimage("#FFFFFF", 90);
break;
case 8:
$h->rotateimage("#FFFFFF", -90);
break;
}
}
}
}
$h->setimagetype(Gmagick::IMGTYPE_TRUECOLOR);
if (!$h->setimagecolorspace(Gmagick::COLORSPACE_RGB)) {
$this->error = "Error during RGB colorspace transformation operation";
return false;
}
$va_tmp = $h->getimagegeometry();
$image_width = $va_tmp['width'];
$image_height = $va_tmp['height'];
if ($image_width < 10 || $image_height < 10) {
$this->error = "Image is too small to be output as Tilepic; minimum dimensions are 10x10 pixels";
return false;
}
if ($pa_options["scale_factor"] != 1) {
$image_width *= $pa_options["scale_factor"];
$image_height *= $pa_options["scale_factor"];
if (!$h->resizeimage($image_width, $image_height, Gmagick::FILTER_CUBIC, $pa_options["antialiasing"])) {
$this->error = "Couldn't scale image";
return false;
}
}
#
# How many layers to make?
#
if (!$pa_options["layers"]) {
$sw = $image_width * $pa_options["layer_ratio"];
$sh = $image_height * $pa_options["layer_ratio"];
$pa_options["layers"] = 1;
while ($sw >= $pa_options["tile_width"] || $sh >= $pa_options["tile_height"]) {
$sw = ceil($sw / $pa_options["layer_ratio"]);
$sh = ceil($sh / $pa_options["layer_ratio"]);
$pa_options["layers"]++;
}
}
#
# Cut image into tiles
#
$tiles = 0;
$layer_list = array();
$base_width = $image_width;
$base_height = $image_height;
if ($this->debug) {
print "BASE {$base_width} x {$base_height} \n";
}
for ($l = $pa_options["layers"]; $l >= 1; $l--) {
$x = $y = 0;
$wx = $pa_options["tile_width"];
$wy = $pa_options["tile_height"];
if ($this->debug) {
print "LAYER={$l}\n";
}
if ($l < $pa_options["layers"]) {
$image_width = ceil($image_width / $pa_options["layer_ratio"]);
$image_height = ceil($image_height / $pa_options["layer_ratio"]);
if ($this->debug) {
print "RESIZE layer {$l} TO {$image_width} x {$image_height} \n";
}
if (!$h->resizeimage($image_width, $image_height, Gmagick::FILTER_CUBIC, $pa_options["antialiasing"])) {
$this->error = "Couldn't scale image";
return false;
}
}
$i = 0;
$layer_list[] = array();
while ($y < $image_height) {
$slice = clone $h;
try {
$slice->cropimage($wx, $wy, $x, $y);
$slice->setcompressionquality($pa_options["quality"]);
} catch (Exception $e) {
$this->error = "Couldn't create tile";
return false;
}
if (!$slice->setimageformat($magick)) {
$this->error = "Tile conversion failed: {$reason}; {$description}";
return false;
}
# --- remove color profile (saves lots of space)
$layer_list[sizeof($layer_list) - 1][] = $slice->getImageBlob();
$slice->destroy();
$x += $pa_options["tile_width"];
if ($x >= $image_width) {
$y += $pa_options["tile_height"];
$x = 0;
}
$i++;
$tiles++;
}
if ($this->debug) {
print "OUTPUT {$tiles} TILES FOR LAYER {$l} : {$image_width} x {$image_height}\n";
}
}
$h->destroy();
#
# Write Tilepic format file
#
if ($this->debug) {
print "WRITING FILE...";
}
if ($fh = fopen($ps_output_path . ".tpc", "w")) {
# --- attribute list
$attribute_list = "";
$attributes = 0;
if (isset($pa_options["attributes"]) && is_array($pa_options["attributes"])) {
$pa_options["attributes"]["mimeType"] = $pa_options["output_mimetype"];
} else {
$pa_options["attributes"] = array("mimeType" => $pa_options["output_mimetype"]);
}
foreach ($pa_options["attributes"] as $k => $v) {
$attribute_list .= "{$k}={$v}";
$attributes++;
}
if ($this->debug) {
print "header OK;";
}
# --- header
if (!fwrite($fh, "TPC\n")) {
$this->error = "Could not write Tilepic signature";
return false;
}
if (!fwrite($fh, pack("NNNNNNnnNN", 40, $base_width, $base_height, $pa_options["tile_width"], $pa_options["tile_height"], $tiles, $pa_options["layers"], $pa_options["layer_ratio"], strlen($attribute_list), $attributes))) {
$this->error = "Could not write Tilepic header";
return false;
}
# --- offset table
$offset = 44 + $tiles * 4;
for ($i = sizeof($layer_list) - 1; $i >= 0; $i--) {
for ($j = 0; $j < sizeof($layer_list[$i]); $j++) {
if (!fwrite($fh, pack("N", $offset))) {
$this->error = "Could not write Tilepic offset table";
return false;
}
$offset += strlen($layer_list[$i][$j]);
}
}
if ($this->debug) {
print "offset table OK;";
}
if (!fwrite($fh, pack("N", $offset))) {
$this->error = "Could not finish writing Tilepic offset table";
return false;
}
# --- tiles
for ($i = sizeof($layer_list) - 1; $i >= 0; $i--) {
for ($j = 0; $j < sizeof($layer_list[$i]); $j++) {
if (!fwrite($fh, $layer_list[$i][$j])) {
$this->error = "Could not write Tilepic tile data";
return false;
}
}
}
if ($this->debug) {
print "tiles OK;";
}
unset($layer_list);
# --- attributes
if (!fwrite($fh, $attribute_list)) {
$this->error = "Could not write Tilepic attributes";
return false;
}
if ($this->debug) {
print "attributes OK\n";
}
fclose($fh);
return $pa_options;
} else {
$this->error = "Couldn't open output file {$ps_output_path}\n";
return false;
}
}
public function read($ps_filepath, $mimetype = "")
{
if (!($this->handle && ${$ps_filepath} === $this->filepath)) {
if ($mimetype == 'image/tilepic') {
#
# Read in Tilepic format image
#
$this->handle = new TilepicParser($ps_filepath);
if (!$this->handle->error) {
$this->filepath = $ps_filepath;
foreach ($this->handle->properties as $k => $v) {
if (isset($this->properties[$k])) {
$this->properties[$k] = $v;
}
}
$this->properties["mimetype"] = "image/tilepic";
$this->properties["typename"] = "Tilepic";
return 1;
} else {
$this->postError(1610, $this->handle->error, "WLPlugGmagick->read()");
return false;
}
} else {
$this->handle = "";
$this->filepath = "";
if ($mimetype == 'image/x-dcraw') {
if ($this->filepath_conv) {
@unlink($this->filepath_conv);
}
if (!caMediaPluginDcrawInstalled($this->ops_dcraw_path)) {
$this->postError(1610, _t("Could not convert Camera RAW format file because conversion tool (dcraw) is not installed"), "WLPlugGmagick->read()");
return false;
}
$vs_tmp_name = tempnam(caGetTempDirPath(), "rawtmp");
if (!copy($ps_filepath, $vs_tmp_name)) {
$this->postError(1610, _t("Could not copy Camera RAW file to temporary directory"), "WLPlugGmagick->read()");
return false;
}
exec($this->ops_dcraw_path . " -T " . caEscapeShellArg($vs_tmp_name), $va_output, $vn_return);
if ($vn_return != 0) {
$this->postError(1610, _t("Camera RAW file conversion failed: %1", $vn_return), "WLPlugGmagick->read()");
return false;
}
if (!(file_exists($vs_tmp_name . '.tiff') && filesize($vs_tmp_name . '.tiff') > 0)) {
$this->postError(1610, _t("Translation from Camera RAW to TIFF failed"), "WLPlugGmagick->read()");
return false;
}
$ps_filepath = $this->filepath_conv = $vs_tmp_name . '.tiff';
@unlink($vs_tmp_name);
}
try {
$handle = new Gmagick($ps_filepath);
$handle->setimageindex(0);
// force use of first image in multi-page TIFF
$this->handle = $handle;
$this->filepath = $ps_filepath;
$this->metadata = array();
// exif
if (function_exists('exif_read_data')) {
if (is_array($va_exif = caSanitizeArray(@exif_read_data($ps_filepath, 'EXIF', true, false)))) {
//
// Rotate incoming image as needed
//
if (isset($va_exif['IFD0']['Orientation'])) {
$vn_orientation = $va_exif['IFD0']['Orientation'];
$vs_tmp_basename = tempnam(caGetTempDirPath(), 'ca_image_tmp');
$vb_is_rotated = false;
switch ($vn_orientation) {
case 3:
$this->handle->rotateimage("#FFFFFF", 180);
unset($va_exif['IFD0']['Orientation']);
$vb_is_rotated = true;
break;
case 6:
$this->handle->rotateimage("#FFFFFF", 90);
unset($va_exif['IFD0']['Orientation']);
$vb_is_rotated = true;
break;
case 8:
$this->handle->rotateimage("#FFFFFF", -90);
unset($va_exif['IFD0']['Orientation']);
$vb_is_rotated = true;
break;
}
if ($vb_is_rotated) {
if ($this->handle->writeimage($vs_tmp_basename)) {
$va_tmp = $this->handle->getimagegeometry();
$this->properties["faces"] = $this->opa_faces = caDetectFaces($vs_tmp_basename, $va_tmp['width'], $va_tmp['height']);
}
@unlink($vs_tmp_basename);
}
}
$this->metadata['EXIF'] = $va_exif;
}
}
// XMP
$o_xmp = new XMPParser();
if ($o_xmp->parse($ps_filepath)) {
if (is_array($va_xmp_metadata = $o_xmp->getMetadata()) && sizeof($va_xmp_metadata)) {
$this->metadata['XMP'] = $va_xmp_metadata;
}
}
# load image properties
$va_tmp = $this->handle->getimagegeometry();
$this->properties["width"] = $va_tmp['width'];
$this->properties["height"] = $va_tmp['height'];
$this->properties["quality"] = "";
$this->properties["filesize"] = filesize($ps_filepath);
$this->properties["bitdepth"] = $this->handle->getimagedepth();
$this->properties["resolution"] = $this->handle->getimageresolution();
$this->properties["colorspace"] = $this->_getColorspaceAsString($this->handle->getimagecolorspace());
// force all images to true color (takes care of GIF transparency for one thing...)
$this->handle->setimagetype(Gmagick::IMGTYPE_TRUECOLOR);
if (!$this->handle->setimagecolorspace(Gmagick::COLORSPACE_RGB)) {
$this->postError(1610, _t("Error during RGB colorspace transformation operation"), "WLPlugGmagick->read()");
return false;
}
if (!$this->properties["faces"]) {
$this->properties["faces"] = $this->opa_faces = caDetectFaces($ps_filepath, $va_tmp['width'], $va_tmp['height']);
}
$this->properties["mimetype"] = $this->_getMagickImageMimeType($this->handle);
$this->properties["typename"] = $this->handle->getimageformat();
$this->ohandle = clone $this->handle;
return 1;
} catch (Exception $e) {
$this->postError(1610, _t("Could not read image file"), "WLPlugGmagick->read()");
return false;
}
}
} else {
# image already loaded by previous call (probably divineFileFormat())
return 1;
}
}
