Function.imagewbmp
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imagewbmp — Output image to browser or file
Inhaltsverzeichnis |
Beschreibung
bool imagewbmp ( resource $image [, string $filename [, int $foreground ]] )
imagewbmp() outputs or save a WBMP
version of the given image
.
Parameter-Liste
- image
- Eine von den verschiedenen Erzeugungsfunktionen wie imagecreatetruecolor() gelieferte Grafikresource.
- filename
- The path to save the file to. If not set or NULL, the raw image stream will be outputted directly.
- foreground
- You can set the foreground color with this parameter by setting an identifier obtained from imagecolorallocate(). The default foreground color is black.
Rückgabewerte
Gibt bei Erfolg TRUE zurück, im Fehlerfall FALSE.
Beispiele
=== #1 Outputting a WBMP 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); // Set the content type header=== <source lang="php"> <?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', $text_color); // Save the image imagewbmp($im, 'simpletext.wbmp'); // Free up memory imagedestroy($im); ?>
Beispiel #3 Outputting the image with a different foreground
// 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); // Set the content type header - in this case image/vnd.wap.wbmp // Hint: see image_type_to_mime_type() for content-types header('Content-type: image/vnd.wap.wbmp'); // Set a replacement foreground color $foreground_color = imagecolorallocate($im, 255, 0, 0); imagewbmp($im, NULL, $foreground_color); // Free up memory imagedestroy($im);
Anmerkungen
Hinweis:
WBMP support is only available if PHP was compiled against GD-1.8 or
later.