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<?php |
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namespace BeyondCode\LaravelFavicon\Generators; |
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use BeyondCode\LaravelFavicon\Favicon; |
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use Illuminate\Http\Response; |
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use Intervention\Image\AbstractFont; |
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use Intervention\Image\Gd\Font as GdFont; |
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use Intervention\Image\Image; |
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use Intervention\Image\ImageManager; |
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use Intervention\Image\Imagick\Font as ImagickFont; |
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class EnvironmentGenerator implements FaviconGenerator |
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{ |
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/** @var Favicon */ |
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protected $favicon; |
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/** @var ImageManager */ |
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protected $manager; |
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/** @var string */ |
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protected $environment; |
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public function __construct(Favicon $favicon) |
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{ |
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$this->favicon = $favicon; |
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$this->manager = new ImageManager([ |
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'driver' => config('favicon.image_driver'), |
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]); |
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$this->environment = config('app.env'); |
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} |
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public function generate(string $icon): Response |
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{ |
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$paddingX = config('favicon.padding.x'); |
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$paddingY = config('favicon.padding.y'); |
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$img = $this->manager->make($icon); |
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$font = $this->getFont($this->favicon->getFaviconText($this->environment)); |
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$font->file(config('favicon.font') ?? __DIR__.'/../../resources/fonts/OpenSans-Regular.ttf'); |
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$font->valign('top'); |
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$font->color($this->favicon->getFaviconColor($this->environment)); |
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$this->calculateDynamicFontSize($font, $img, $paddingX); |
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$environmentTextImage = $this->createEnvironmentTextImage($font); |
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$output = $this->manager->canvas($img->width(), $img->height()); |
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$output->insert($img); |
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$output->insert($environmentTextImage, 'bottom-right', $paddingX, $paddingY); |
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return $output->response('png'); |
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} |
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protected function getFont(string $text): AbstractFont |
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{ |
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if (config('favicon.image_driver') === 'imagick') { |
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return new ImagickFont($text); |
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} |
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return new GdFont($text); |
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} |
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protected function calculateDynamicFontSize(AbstractFont $font, Image $icon, $paddingX) |
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{ |
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$size = $font->getBoxSize(); |
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while ($size['width'] + $paddingX > $icon->width() && $font->getSize() > 0) { |
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$fontSize = $font->getSize(); |
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$font->size($fontSize - 1); |
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$size = $font->getBoxSize(); |
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} |
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} |
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protected function createEnvironmentTextImage(AbstractFont $font) |
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{ |
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$size = $font->getBoxSize(); |
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$environmentText = $this->manager->canvas($size['width'], $size['height'], $this->favicon->getFaviconBackgroundColor($this->environment)); |
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$font->applyToImage($environmentText); |
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return $environmentText; |
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} |
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public function shouldGenerateFavicon(): bool |
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{ |
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return config('favicon.enabled_environments.'.$this->environment) !== null; |
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} |
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} |
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beyondcode /
laravel-favicon
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