imagegd2
(PHP 4 >= 4.0.7, PHP 5, PHP 7)
imagegd2 — Output GD2 image to browser or file
Description
$image
[, mixed $to
= NULL
[, int $chunk_size
= 128
[, int $type
= IMG_GD2_RAW
]]] ) : bool
Outputs a GD2 image to the given to
.
Parameters
-
image
-
An image resource, returned by one of the image creation functions, such as imagecreatetruecolor().
-
to
-
The path or an open stream resource (which is automatically being closed after this function returns) to save the file to. If not set or
NULL
, the raw image stream will be outputted directly. -
chunk_size
-
Chunk size.
-
type
-
Either
IMG_GD2_RAW
orIMG_GD2_COMPRESSED
. Default isIMG_GD2_RAW
.
Return Values
Returns TRUE
on success or FALSE
on failure.
However, if libgd fails to output the image, this function returns TRUE
.
Examples
Example #1 Outputting a GD2 image
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, "A Simple Text String", $text_color);
// Output the image
imagegd2($im);
// Free up memory
imagedestroy($im);
?>
Example #2 Saving a GD2 image
<?php
// Create a blank image and add some text
$im = imagecreatetruecolor(120, 20);
$text_color = imagecolorallocate($im, 233, 14, 91);
imagestring($im, 1, 5, 5, "A Simple Text String", $text_color);
// Save the gd2 image
// The file format for GD2 images is .gd2, see http://www.libgd.org/GdFileFormats
imagegd2($im, 'simple.gd2');
// Free up memory
imagedestroy($im);
?>
Notes
Note:
The GD2 format is commonly used to allow fast loading of parts of images. Note that the GD2 format is only usable in GD2-compatible applications.
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en/php-rf-imagegd2.html
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References
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