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<?php |
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namespace Graze\CiffRenderer\Field\Renderer; |
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use Graze\CiffRenderer\Field\Renderer\AbstractdRenderer; |
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use Intervention\Image\Gd\Font; |
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class FixedTextRenderer extends AbstractRenderer |
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{ |
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/** |
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* Increase Ciff's 'pitch' value to approximate size in pixels. |
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* |
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* @var float |
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*/ |
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const FONT_SIZE_MULTIPLIER = 4.2; |
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/** |
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* @var float |
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*/ |
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const LETTER_SPACING_ADJUSTMENT = 0.97; |
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/** |
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* @var int |
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*/ |
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const DEFAULT_FONT_SIZE = 13; |
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/** |
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* @var callable |
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*/ |
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protected $fontResolver; |
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/** |
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* @param callable $fontResolver |
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*/ |
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public function setFontResolver(callable $fontResolver) |
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{ |
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$this->fontResolver = $fontResolver; |
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} |
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/** |
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* @return callable |
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*/ |
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protected function getFontResolver() |
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{ |
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return $this->fontResolver; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getFontFace() |
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{ |
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return $this->parser->getFontFace(); |
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} |
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/** |
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* @return int |
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*/ |
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protected function getFontSize() |
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{ |
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$size = $this->parser->getFontSize(); |
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if (!$size) { |
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$size = self::DEFAULT_FONT_SIZE; |
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} |
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return $size * self::FONT_SIZE_MULTIPLIER; |
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} |
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/** |
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* @return string |
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*/ |
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protected function getText() |
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{ |
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return $this->parser->getText(); |
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} |
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/** |
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* @return int |
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*/ |
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protected function getOrientation() |
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{ |
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return $this->parser->getOrientation(); |
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} |
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/** |
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* @return Intervention/Image/Image |
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*/ |
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public function render() |
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{ |
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$fontResolver = $this->getFontResolver(); |
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$fontPath = $fontResolver($this->getFontFace()); |
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// split text into lines |
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$lines = explode("\n", $this->getText()); |
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$texts = []; |
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$width = 0; |
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$height = 0; |
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foreach ($lines as $line) { |
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$text = $this->renderLine($fontPath, $line); |
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if (is_null($text)) { |
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continue; |
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} |
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// store dimensions ready to create a canvas |
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$width = max($width, $text->getWidth()); |
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$height += $text->getHeight(); |
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$texts[] = $text; |
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} |
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// create a canvas to add each line of text to |
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$canvas = $this->getImageManager()->canvas($width, $height, $this->getTracerColour()); |
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$offsetX = 0; |
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$offsetY = 0; |
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foreach ($texts as $text) { |
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// add the text to the canvas |
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$canvas->insert($text, 'top-left', (int) $offsetX, (int) $offsetY); |
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// increase the offset for the next line |
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$offsetY += $text->getHeight(); |
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} |
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if ($this->getOrientation()) { |
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$canvas->rotate(360 - $this->getOrientation()); |
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} |
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return $canvas; |
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} |
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/** |
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* @param string $fontPath |
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* @param string $text |
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* @return Intervention/Image/Image |
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*/ |
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private function renderLine($fontPath, $text) |
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{ |
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// create the text here so it can be measured |
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$fontOverride = new Font($text); |
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$fontOverride->file($fontPath); |
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$fontOverride->size($this->getFontSize()); |
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$fontOverride->color('#000'); |
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$fontOverride->valign('top'); |
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$size = $fontOverride->getBoxSize(); |
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// if text consists of invisible chars, measured size will be zero, nothing to print |
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if ($size['width'] < 1 || $size['height'] < 1) { |
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return null; |
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} |
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$fontCallback = function (&$font) use ($fontOverride) { |
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// override the font created by Canvas::text() |
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$font = $fontOverride; |
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}; |
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$canvas = $this->getImageManager()->canvas($size['width'], $size['height'], $this->getTracerColour()); |
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// no need to pass the text in here as we override the font in the callback |
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$canvas->text('', null, null, $fontCallback); |
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$canvas->resize(round($size['width'] * self::LETTER_SPACING_ADJUSTMENT), $size['height']); |
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return $canvas; |
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} |
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} |
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graze /
ciff-renderer
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The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths