image_type_to_mime_typeimage2wbmp
(PHP 4 >= 4.0.5, PHP 5)
image2wbmp — Output image to browser or file
Beschreibung
bool image2wbmp
( resource $image
[, string $filename
[, int $threshold
]] )
image2wbmp() outputs or save a WBMP version of the given image .
Parameter-Liste
- image
-
Eine von den verschiedenen Erzeugungsfunktionen wie imagecreatetruecolor() gelieferte Grafikressource.
- filename
-
Path to the saved file. If not given, the raw image stream will be outputted directly.
- threshold
-
Threshold value, between 0 and 255 (inclusive).
Rückgabewerte
Gibt bei Erfolg TRUE zurück, im Fehlerfall FALSE.
Beispiele
Beispiel #1 image2wbmp() example
<?php
$file = 'php.png';
$image = imagecreatefrompng($file);
header('Content-type: ' . image_type_to_mime_type(IMAGETYPE_WBMP));
image2wbmp($image); // output the stream directly
imagedestroy($image);
?>
Anmerkungen
Hinweis: WBMP support is only available if PHP was compiled against GD-1.8 or later.
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