php man page for imageistruecolor

Query: imageistruecolor

OS: php

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

IMAGEISTRUECOLOR(3)							 1						       IMAGEISTRUECOLOR(3)

imageistruecolor - Finds whether an image is a truecolor image

SYNOPSIS
bool imageistruecolor (resource $image)
DESCRIPTION
imageistruecolor(3) finds whether the image $image is a truecolor image.
PARAMETERS
o $ image -An image resource, returned by one of the image creation functions, such as imagecreatetruecolor(3).
RETURN VALUES
Returns TRUE if the $image is truecolor, FALSE otherwise.
EXAMPLES
Example #1 Simple detection of true color image instances using imageistruecolor(3) <?php // $im is an image instance // Check if image is a true color image or not if(!imageistruecolor($im)) { // Create a new true color image instance $tc = imagecreatetruecolor(imagesx($im), imagesy($im)); // Copy over the pixels imagecopy($tc, $im, 0, 0, 0, 0, imagesx($im), imagesy($im)); imagedestroy($im); $im = $tc; $tc = NULL; // OR use imagepalettetotruecolor() } // Continue working with image instance ?>
NOTES
Note This function requires GD 2.0.1 or later (2.0.28 or later is recommended).
SEE ALSO
imagecreatetruecolor(3), imagepalettetotruecolor(3). PHP Documentation Group IMAGEISTRUECOLOR(3)
Related Man Pages
imagecreatetruecolor(3) - php
imagecolormatch(3) - php
imagecolorstotal(3) - php
imageline(3) - php
imagepalettetotruecolor(3) - php
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