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Add initTextLayerWithMaxWidth to init a text layer with a given max width #12

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Add initTextLayerWithMaxWidth to init a text layer with a given max width #12

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43 changes: 42 additions & 1 deletion src/PHPImageWorkshop/ImageWorkshop.php
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,47 @@ public static function initTextLayer($text, $fontPath, $fontSize = 13, $fontColo
return $layer;
}

/**
* Initialize a text layer With a given Width
*
* @param string $text
* @param string $fontPath
* @param integer $fontSize
* @param string $fontColor
* @param integer $textRotation
* @param integer $backgroundColor
* @param integer $maxWidth
*
* @return ImageWorkshopLayer
*/
public static function initTextLayerWithMaxWidth($text, $fontPath, $fontSize = 13, $fontColor = 'ffffff', $textRotation = 0, $backgroundColor = null,$maxWidth=200)
{
$txt_clean = $text;
$textDimensions = ImageWorkshopLib::getTextBoxDimension($fontSize, $textRotation, $fontPath, $text);
$resetMaxWith=false;
while($textDimensions['width'] > $maxWidth ){
if(!$resetMaxWith)
{
/*
* on prevoit 5 pixels pour les 3 points
*/
$maxWidth = $maxWidth -5;
$resetMaxWith = true;
}

$txt_clean = substr($txt_clean, 0,-1);
$text = $txt_clean.'...';
$textDimensions = ImageWorkshopLib::getTextBoxDimension($fontSize, $textRotation, $fontPath, $text);
}



$layer = static::initVirginLayer($textDimensions['width'], $textDimensions['height'], $backgroundColor);
$layer->write($text, $fontPath, $fontSize, $fontColor, $textDimensions['left'], $textDimensions['top'], $textRotation);

return $layer;
}

/**
* Initialize a new virgin layer
*
Expand Down Expand Up @@ -142,4 +183,4 @@ public static function initFromString($imageString)
{
return new ImageWorkshopLayer(imageCreateFromString($imageString));
}
}
}