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craft-colorextractor's Introduction

Color Extractor

Extract colors from image assets in Craft 3. The Craft 2 plugin is moved to another branch.

Inner working

By using the imageColor field on each asset, it doesn't require extra database queries when showing colors. On install it creates a task to extract the color for every image.

Requirements

  • A field named imageColor on all assets of kind image (can be color or plaintext)
  • Craft 3 (we test on the latest release of Craft 3)
  • PHP 7.1 at least

Example usage

Use the colorExtractor twig filter to retrieve the image's color from templates.

<div style="background-color: {{ entry.images[0]|colorExtractor }};"></div>

From command:

craft color-extractor/default

License

Copyright © Born05

See license

Credits

Based upon craft-image-color plugin by familiar-studio.

craft-colorextractor's People

Contributors

dpschen avatar nstcactus avatar roelvanhintum avatar

Stargazers

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Watchers

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Forkers

dpschen howells al0xd nstcactus seanpm2001

craft-colorextractor's Issues

Error during install

After installing this plugin, message appears:

Color Extractor has been added, but an error occurred when installing it.
yii\base\UnknownMethodException: Calling unknown method: craft\elements\db\AssetQuery::imageColor()

Plugins seems to be properly installed however, it shows up on settings/plugins list.

Error on install task

Hello,
after installing the ColorExtractorTask fails to run through. In the queue.log I found the following:

2019-01-24 17:59:27 [-][18][-][error][craft\queue\QueueLogBehavior::afterError]  [7770] ColorExtractorTask (attempt: 1) - Error (time: 0.343s): imagecreatefromstring(): Data is not in a recognized format
2019-01-24 17:59:27 [-][18][-][error][yii\base\ErrorException:2] yii\base\ErrorException: imagecreatefromstring(): Data is not in a recognized format in /var/www/html/vendor/league/color-extractor/src/League/ColorExtractor/Palette.php:54
Stack trace:
#0 /var/www/html/vendor/craftcms/cms/src/web/ErrorHandler.php(76): yii\base\ErrorHandler->handleError(2, 'imagecreatefrom...', '/var/www/html/v...', 54)
#1 [internal function]: craft\web\ErrorHandler->handleError(2, 'imagecreatefrom...', '/var/www/html/v...', 54, Array)
#2 /var/www/html/vendor/league/color-extractor/src/League/ColorExtractor/Palette.php(54): imagecreatefromstring('II*\x00\xEE\x90\x15\x00\x802\xD8\xAB\xF2\x98D...')
#3 /var/www/html/vendor/born05/craft-colorextractor/src/services/Asset.php(32): League\ColorExtractor\Palette::fromFilename([<!-- STRING WITH CROPPED URL (PROBABLY IMAGE) -->])
#4 /var/www/html/vendor/born05/craft-colorextractor/src/services/Asset.php(57): born05\colorextractor\services\Asset->extractColor(Object(craft\elements\Asset))
#5 /var/www/html/vendor/born05/craft-colorextractor/src/jobs/ColorExtractorTask.php(44): born05\colorextractor\services\Asset->getImageColor(Object(craft\elements\Asset), true)
#6 /var/www/html/vendor/yiisoft/yii2-queue/src/Queue.php(214): born05\colorextractor\jobs\ColorExtractorTask->execute(Object(craft\queue\Queue))
#7 /var/www/html/vendor/yiisoft/yii2-queue/src/cli/Queue.php(147): yii\queue\Queue->handleMessage('7770', 'O:45:"born05\\co...', '300', 1)
#8 /var/www/html/vendor/craftcms/cms/src/queue/Queue.php(96): yii\queue\cli\Queue->handleMessage('7770', 'O:45:"born05\\co...', '300', 1)
#9 /var/www/html/vendor/craftcms/cms/src/controllers/QueueController.php(86): craft\queue\Queue->run()
#10 [internal function]: craft\controllers\QueueController->actionRun()
#11 /var/www/html/vendor/yiisoft/yii2/base/InlineAction.php(57): call_user_func_array(Array, Array)
#12 /var/www/html/vendor/yiisoft/yii2/base/Controller.php(157): yii\base\InlineAction->runWithParams(Array)
#13 /var/www/html/vendor/craftcms/cms/src/web/Controller.php(109): yii\base\Controller->runAction('run', Array)
#14 /var/www/html/vendor/yiisoft/yii2/base/Module.php(528): craft\web\Controller->runAction('run', Array)
#15 /var/www/html/vendor/craftcms/cms/src/web/Application.php(297): yii\base\Module->runAction('queue/run', Array)
#16 /var/www/html/vendor/craftcms/cms/src/web/Application.php(561): craft\web\Application->runAction('queue/run', Array)
#17 /var/www/html/vendor/craftcms/cms/src/web/Application.php(281): craft\web\Application->_processActionRequest(Object(craft\web\Request))
#18 /var/www/html/vendor/yiisoft/yii2/base/Application.php(386): craft\web\Application->handleRequest(Object(craft\web\Request))
#19 /var/www/html/web/index.php(21): yii\base\Application->run()
#20 {main}

Image must be a gd resource

Hi,
I've got some ColorExtractorTask error in the Task manager but I'm unable to figure why.
It happen when the site editors users are creating some ressource entries.
I'm unable to reproduce this error.

The error message is "Image must be a gd resource".

When I manually upload the very same image file that cause the error, there is no such error and the Color Extractor Field is correctly populated.

How can I debug this?

Thanks for your help.

Enhancement: Color Extractor Task/Job Name

As some of my ColorExtractorTasks sometimes fail (#4), it would be nice to have the image name inside the task. Something like CE: myImageName.jpg. (probably need to truncate the name in case it's too long).
Otherwise it's quite hard to identify which image failed.

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