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<?php |
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/** |
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* JPGraph v4.0.3 |
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*/ |
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namespace Amenadiel\JpGraph\Util; |
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use Amenadiel\JpGraph\Image; |
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use Amenadiel\JpGraph\Text; |
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/** |
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* An image based error handler. |
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*/ |
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class JpGraphErrObjectImg extends JpGraphErrObject |
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{ |
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public function __construct() |
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{ |
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parent::__construct(); |
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// Empty. Reserved for future use |
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} |
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public function Raise($aMsg, $aHalt = true) |
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{ |
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$img_iconerror = |
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'iVBORw0KGgoAAAANSUhEUgAAACgAAAAoCAMAAAC7IEhfAAAAaV' . |
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'BMVEX//////2Xy8mLl5V/Z2VvMzFi/v1WyslKlpU+ZmUyMjEh/' . |
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'f0VyckJlZT9YWDxMTDjAwMDy8sLl5bnY2K/MzKW/v5yyspKlpY' . |
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'iYmH+MjHY/PzV/f2xycmJlZVlZWU9MTEXY2Ms/PzwyMjLFTjea' . |
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'AAAAAXRSTlMAQObYZgAAAAFiS0dEAIgFHUgAAAAJcEhZcwAACx' . |
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'IAAAsSAdLdfvwAAAAHdElNRQfTBgISOCqusfs5AAABLUlEQVR4' . |
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'2tWV3XKCMBBGWfkranCIVClKLd/7P2Q3QsgCxjDTq+6FE2cPH+' . |
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'xJ0Ogn2lQbsT+Wrs+buAZAV4W5T6Bs0YXBBwpKgEuIu+JERAX6' . |
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'wM2rHjmDdEITmsQEEmWADgZm6rAjhXsoMGY9B/NZBwJzBvn+e3' . |
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'wHntCAJdGu9SviwIwoZVDxPB9+Rc0TSEbQr0j3SA1gwdSn6Db0' . |
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'6Tm1KfV6yzWGQO7zdpvyKLKBDmRFjzeB3LYgK7r6A/noDAfjtS' . |
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'IXaIzbJSv6WgUebTMV4EoRB8a2mQiQjgtF91HdKDKZ1gtFtQjk' . |
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'YcWaR5OKOhkYt+ZsTFdJRfPAApOpQYJTNHvCRSJR6SJngQadfc' . |
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'vd69OLMddVOPCGVnmrFD8bVYd3JXfxXPtLR/+mtv59/ALWiiMx' . |
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'qL72fwAAAABJRU5ErkJggg=='; |
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if (function_exists('imagetypes')) { |
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$supported = imagetypes(); |
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} else { |
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$supported = 0; |
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} |
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if (!function_exists('imagecreatefromstring')) { |
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$supported = 0; |
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} |
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if (ob_get_length() || headers_sent() || !($supported & IMG_PNG)) { |
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// Special case for headers already sent or that the installation doesn't support |
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// the PNG format (which the error icon is encoded in). |
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// Dont return an image since it can't be displayed |
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die($this->iTitle . ' ' . $aMsg); |
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} |
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$aMsg = wordwrap($aMsg, 55); |
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$lines = substr_count($aMsg, "\n"); |
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// Create the error icon GD |
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$erricon = Image\Image::CreateFromString(base64_decode($img_iconerror, true)); |
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// Create an image that contains the error text. |
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$w = 400; |
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$h = 100 + 15 * max(0, $lines - 3); |
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$img = new Image\Image($w, $h); |
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// Drop shadow |
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$img->SetColor('gray'); |
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$img->FilledRectangle(5, 5, $w - 1, $h - 1, 10); |
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$img->SetColor('gray:0.7'); |
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$img->FilledRectangle(5, 5, $w - 3, $h - 3, 10); |
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// Window background |
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$img->SetColor('lightblue'); |
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$img->FilledRectangle(1, 1, $w - 5, $h - 5); |
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$img->CopyCanvasH($img->img, $erricon, 5, 30, 0, 0, 40, 40); |
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// Window border |
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$img->SetColor('black'); |
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$img->Rectangle(1, 1, $w - 5, $h - 5); |
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$img->Rectangle(0, 0, $w - 4, $h - 4); |
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// Window top row |
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$img->SetColor('darkred'); |
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for ($y = 3; $y < 18; $y += 2) { |
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$img->Line(1, $y, $w - 6, $y); |
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} |
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// "White shadow" |
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$img->SetColor('white'); |
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// Left window edge |
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$img->Line(2, 2, 2, $h - 5); |
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$img->Line(2, 2, $w - 6, 2); |
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// "Gray button shadow" |
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$img->SetColor('darkgray'); |
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// Gray window shadow |
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$img->Line(2, $h - 6, $w - 5, $h - 6); |
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$img->Line(3, $h - 7, $w - 5, $h - 7); |
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// Window title |
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$m = floor($w / 2 - 5); |
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$l = 110; |
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$img->SetColor('lightgray:1.3'); |
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$img->FilledRectangle($m - $l, 2, $m + $l, 16); |
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// Stroke text |
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$img->SetColor('darkred'); |
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$img->SetFont(FF_FONT2, FS_BOLD); |
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$img->StrokeText($m - 90, 15, $this->iTitle); |
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$img->SetColor('black'); |
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$img->SetFont(FF_FONT1, FS_NORMAL); |
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$txt = new Text\Text($aMsg, 52, 25); |
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$txt->SetFont(FF_FONT1); |
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$txt->Align('left', 'top'); |
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$txt->Stroke($img); |
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if ($this->iDest) { |
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$img->Stream($this->iDest); |
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} else { |
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$img->Headers(); |
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$img->Stream(); |
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} |
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if ($aHalt) { |
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die(); |
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} |
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} |
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} |
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In general, usage of exit should be done with care and only when running in a scripting context like a CLI script.