ILIAS\Style\Content\ImageManager Class Reference

Main business logic for content style images. More...

Collaboration diagram for ILIAS\Style\Content\ImageManager:

Public Member Functions
	__construct (int $style_id, Access\StyleAccessManager $access_manager, InternalRepoService $repo, protected ResourceStakeholder $stakeholder)
	getImages ()
	Get images of style. More...
	getWebPath (Image $image)
	getByFilename (string $filename)
	resizeImage (string $filename, int $width, int $height, bool $constrain_proportions)
	supportsResize (Image $image)
	deleteByFilename (string $filename)
	importFromUploadResult (UploadResult $result)

Protected Attributes
Images	$img_convert
ImageFileRepo	$repo
StyleRepo	$style_repo
Access StyleAccessManager	$access_manager
int	$style_id

Private Attributes
Filesystem Util Convert LegacyImages	$image_conversion

Detailed Description

Main business logic for content style images.

Author

Alexander Killing killi.nosp@m.ng@l.nosp@m.eifos.nosp@m..de

Definition at line 37 of file class.ImageManager.php.

Constructor & Destructor Documentation

__construct()

ILIAS\Style\Content\ImageManager::__construct	(	int	$style_id,
		Access\StyleAccessManager	$access_manager,
		InternalRepoService	$repo,
		protected ResourceStakeholder	$stakeholder
	)

Definition at line 46 of file class.ImageManager.php.

References ILIAS\Style\Content\ImageManager\$access_manager, $DIC, and ILIAS\Style\Content\ImageManager\$style_id.

      {
        global $DIC;
        $this->repo = $repo->image();
        $this->style_repo = $repo->style();
        $this->access_manager = $access_manager;
        $this->style_id = $style_id;
        $this->image_conversion = $DIC->fileConverters()->legacyImages();
        $this->img_convert = $DIC->fileConverters()->images();
    }

Member Function Documentation

deleteByFilename()

ILIAS\Style\Content\ImageManager::deleteByFilename

(

string

$filename

)

Definition at line 143 of file class.ImageManager.php.

                                                      : void
    {
        $this->repo->deleteImageByFilename($this->style_id, $filename);
    }

getByFilename()

ILIAS\Style\Content\ImageManager::getByFilename

(

string

$filename

)

Definition at line 90 of file class.ImageManager.php.

                                                   : Image
    {
        $rid = $this->style_repo->readRid($this->style_id);
        return $this->repo->getByFilename($this->style_id, $rid, $filename);
    }

getImages()

ILIAS\Style\Content\ImageManager::getImages

(

)

Get images of style.

Returns

Generator

Exceptions

Filesystem

Definition at line 66 of file class.ImageManager.php.

References $filename.

                               : Generator
    {
        $rid = $this->style_repo->readRid($this->style_id);
        return $this->repo->getImages($this->style_id, $rid);
    }

getWebPath()

ILIAS\Style\Content\ImageManager::getWebPath

(

Image

$image

)

Definition at line 84 of file class.ImageManager.php.

References ILIAS\Style\Content\Image\getPath().

                                            : string
    {
        return $this->repo->getWebPath($image->getPath());
    }

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importFromUploadResult()

ILIAS\Style\Content\ImageManager::importFromUploadResult

(

UploadResult

$result

)

Definition at line 148 of file class.ImageManager.php.

     : void {
        $rid = $this->style_repo->getOrCreateRid($this->style_id, $this->stakeholder);
        $this->repo->importFromUploadResult(
            $rid,
            $result
        );
    }

resizeImage()

ILIAS\Style\Content\ImageManager::resizeImage	(	string	$filename,
		int	$width,
		int	$height,
		bool	$constrain_proportions
	)

Definition at line 97 of file class.ImageManager.php.

     : void {
        $rid = $this->style_repo->readRid($this->style_id);
        if ($this->filenameExists($filename)) {
            // the zip stream is not seekable, which is needed by Imagick
            // so we create a seekable stream first
            $tempStream = fopen('php://temp', 'w+');
            stream_copy_to_stream($this->repo->getImageStream($rid, $filename)->detach(), $tempStream);
            rewind($tempStream);
            $stream = new Stream($tempStream);

            $converter = $this->img_convert->resizeToFixedSize(
                $stream,
                $width,
                $height
            );
            $this->repo->addStream(
                $rid,
                $filename,
                $converter->getStream()
            );
            fclose($tempStream);
        }
    }

supportsResize()

ILIAS\Style\Content\ImageManager::supportsResize

(

Image

$image

)

Definition at line 127 of file class.ImageManager.php.

References ILIAS\Style\Content\Image\getFilename().

     : bool {
        // for svg, see
        // https://stackoverflow.com/questions/6532261/how-do-you-get-the-width-and-height-of-an-svg-picture-in-php
        if (in_array(
            strtolower(pathinfo($image->getFilename(), PATHINFO_EXTENSION)),
            ["jpg", "jpeg", "gif", "png"]
        )) {
            return true;
        }
        return false;
    }

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Field Documentation

$access_manager

Access StyleAccessManager ILIAS\Style\Content\ImageManager::$access_manager

protected

Definition at line 42 of file class.ImageManager.php.

Referenced by ILIAS\Style\Content\ImageManager\__construct().

$image_conversion

Filesystem Util Convert LegacyImages ILIAS\Style\Content\ImageManager::$image_conversion

private

Definition at line 44 of file class.ImageManager.php.

$img_convert

Images ILIAS\Style\Content\ImageManager::$img_convert

protected

Definition at line 39 of file class.ImageManager.php.

$repo

ImageFileRepo ILIAS\Style\Content\ImageManager::$repo

protected

Definition at line 40 of file class.ImageManager.php.

$style_id

int ILIAS\Style\Content\ImageManager::$style_id

protected

Definition at line 43 of file class.ImageManager.php.

Referenced by ILIAS\Style\Content\ImageManager\__construct().

$style_repo

StyleRepo ILIAS\Style\Content\ImageManager::$style_repo

protected

Definition at line 41 of file class.ImageManager.php.

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The documentation for this class was generated from the following file:

• components/ILIAS/Style/Content/Images/class.ImageManager.php