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Code Issues Releases Wiki Activity

improving error handling when opening (non)-recoverable images

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This commit is contained in:
Mikael Roos
2014-08-21 02:21:32 +02:00
parent 2643d4954f
commit 1a6cef6580
1 changed files with 45 additions and 14 deletions
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37
CImage.php
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@@ -788,6 +788,37 @@ class CImage
/**
* Error message when failing to load somehow corrupt image.
*
* @return void
*
*/
public function failedToLoad()
{
header("HTTP/1.0 404 Not Found");
echo("Fatal error when opening image.<br>");
switch ($this->fileExtension) {
case 'jpg':
case 'jpeg':
$this->image = imagecreatefromjpeg($this->pathToImage);
break;
case 'gif':
$this->image = imagecreatefromgif($this->pathToImage);
break;
case 'png':
$this->image = imagecreatefrompng($this->pathToImage);
break;
}
exit();
}
/** /**
* Load image from disk. * Load image from disk.
* *
@@ -809,17 +840,17 @@ class CImage
case 'jpg': case 'jpg':
case 'jpeg': case 'jpeg':
$this->image = @imagecreatefromjpeg($this->pathToImage); $this->image = @imagecreatefromjpeg($this->pathToImage);
$this->image or die("Fatal error when opening image."); $this->image or failedToLoad();
break; break;
case 'gif': case 'gif':
$this->image = @imagecreatefromgif($this->pathToImage); $this->image = @imagecreatefromgif($this->pathToImage);
$this->image or die("Fatal error when opening image."); $this->image or failedToLoad();
break; break;
case 'png': case 'png':
$this->image = @imagecreatefrompng($this->pathToImage); $this->image = @imagecreatefrompng($this->pathToImage);
$this->image or die("Fatal error when opening image."); $this->image or failedToLoad();
$type = $this->getPngType(); $type = $this->getPngType();
$hasFewColors = imagecolorstotal($this->image); $hasFewColors = imagecolorstotal($this->image);