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N°3124 - Refactorize ResizeImageToFit methods (#734)

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Timmy38
2025-08-08 10:43:35 +02:00
committed by GitHub
parent 5b9e0a1d4f
commit 71386198cf
7 changed files with 227 additions and 190 deletions
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80
core/inlineimage.class.inc.php
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@@ -407,86 +407,12 @@ JS
* Resize an image so that it fits the maximum width/height defined in the config file
* @param ormDocument $oImage The original image stored as an array (content / mimetype / filename)
* @return ormDocument The resampled image (or the original one if it already fit)
* @deprecated Replaced by ormDocument::ResizeImageToFit
*/
public static function ResizeImageToFit(ormDocument $oImage, &$aDimensions = null)
{
$img = false;
switch($oImage->GetMimeType())
{
case 'image/gif':
case 'image/jpeg':
case 'image/png':
$img = @imagecreatefromstring($oImage->GetData());
break;
default:
// Unsupported image type, return the image as-is
$aDimensions = null;
return $oImage;
}
if ($img === false)
{
$aDimensions = null;
return $oImage;
}
else
{
// Let's scale the image, preserving the transparency for GIFs and PNGs
$iWidth = imagesx($img);
$iHeight = imagesy($img);
$aDimensions = array('width' => $iWidth, 'height' => $iHeight);
$iMaxImageSize = (int)MetaModel::GetConfig()->Get('inline_image_max_storage_width', 0);
if (($iMaxImageSize > 0) && ($iWidth <= $iMaxImageSize) && ($iHeight <= $iMaxImageSize))
{
// No need to resize
return $oImage;
}
$fScale = min($iMaxImageSize / $iWidth, $iMaxImageSize / $iHeight);
$iNewWidth = (int) ($iWidth * $fScale);
$iNewHeight = (int) ($iHeight * $fScale);
$aDimensions['width'] = $iNewWidth;
$aDimensions['height'] = $iNewHeight;
$new = imagecreatetruecolor($iNewWidth, $iNewHeight);
// Preserve transparency
if(($oImage->GetMimeType() == "image/gif") || ($oImage->GetMimeType() == "image/png"))
{
imagecolortransparent($new, imagecolorallocatealpha($new, 0, 0, 0, 127));
imagealphablending($new, false);
imagesavealpha($new, true);
}
imagecopyresampled($new, $img, 0, 0, 0, 0, $iNewWidth, $iNewHeight, $iWidth, $iHeight);
ob_start();
switch ($oImage->GetMimeType())
{
case 'image/gif':
imagegif($new); // send image to output buffer
break;
case 'image/jpeg':
imagejpeg($new, null, 80); // null = send image to output buffer, 80 = good quality
break;
case 'image/png':
imagepng($new, null, 5); // null = send image to output buffer, 5 = medium compression
break;
}
$oNewImage = new ormDocument(ob_get_contents(), $oImage->GetMimeType(), $oImage->GetFileName());
@ob_end_clean();
imagedestroy($img);
imagedestroy($new);
return $oNewImage;
}
$iMaxImageSize = (int)MetaModel::GetConfig()->Get('inline_image_max_storage_width', 0);
return $oImage->ResizeImageToFit($iMaxImageSize, $iMaxImageSize, $aDimensions);
}
/**