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[2016-02-18 16:26 UTC] maximilian dot bloch at gmail dot com
Description:
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The below code fails via nginx+php-fpm after the second try. It works the first two tries only. If I restart|reload php-fpm, the script works again, exactly two consecutive times, then it fails again.
I am running gmagick-1.1.7RC3
I have tried tweaking some php-fpm settings with no effect.
I have tried several fonts with the same results.
php-cli work just fine.
I disabled the imagick extension with the same results, so I do not see a conflict here.
Thanks for your help.
Test script:
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<?php
$image = new Gmagick();
$fontDraw = new GmagickDraw();
$fontDraw->setFont('./RNS.ttf');
$fontDraw->setFontSize(72);
$fontMetrics = $image->queryFontMetrics($fontDraw, 'g');
print_r($fontMetrics);
// EOF
Expected result:
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Array ( [characterWidth] => 72 [characterHeight] => 72 [ascender] => 71 [descender] => -32 [textWidth] => 36 [textHeight] => 103 [maximumHorizontalAdvance] => 61 )
Actual result:
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Fatal error: Uncaught exception 'GmagickException' with message 'Wand contains no images `%.1024s (MagickWand-2)' in test.php:6 Stack trace: #0 test.php(6): Gmagick->queryfontmetrics(Object(GmagickDraw), 'g') #1 {main} thrown in test.php on line 6
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Last updated: Sat Mar 22 13:01:28 2025 UTC |
I can reproduce inside a single script with the code below. There is a very good chance that the bug is that it works at all - looking at the code, queryFontMetrics is not meant to work if there are no images associated with the Gmagick object. i.e. it is likely the bug fix will to make it consistently fail for this code. for ($i=0; $i<5; $i++) { $image = new Gmagick(); $fontDraw = new GmagickDraw(); $fontMetrics = $image->queryFontMetrics($fontDraw, 'g'); var_dump($fontMetrics); }This should be fixed in the next release of Gmagick. As a workaround, you should be able to call it safely on any Gmagick object that contains an image. So either one of the images you're actually processing or a built-in one like "$gmagick = new \Gmagick("magick:logo");"