[libGD] #74 [Task opened] imagefilledarc can take a lot of CPU

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A new Flyspray task has been opened.  Details are below.

User who did this - Raphaël MELIOR (RaphAstronome)

Attached to Project - libGD
Summary - imagefilledarc can take a lot of CPU
Task Type - Bug Report
Category - Drawing function
Status - Unconfirmed
Assigned To - 
Operating System - All
Severity - High
Priority - Normal
Reported Version - 2.0.34
Due in Version - Undecided
Due Date - Undecided
Details - imagearc and imagefilledarc can use a very important amount of CPU if start and end angles is very higher than 360°.

Examples :
<code>imagefilledarc($image, 50, 50, 100, 50, 0, 2147483647, $navy, IMG_ARC_PIE);</code>
- or -
<code>imagearc($image, 50, 50, 100, 50, 0, 2147483647, $navy);</code>
(It can exceed 30 seconds execution time)

A think end-start don't need to be so large.

For imagefilledarc :
His problem is more important if style = IMG_ARC_EDGED or IMG_ARC_PIE but it exists on IMG_ARC_NOFILL and IMG_ARC_CHORD.

More information can be found at the following URL:
http://bugs.libgd.org/?do=details&task_id=74

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