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ImageCreateFromJPEGPodręcznik PHPPoprzedniNastępnyImageCreateFromJPEG (PHP 3>= 3.0.16, PHP 4 >= 4.0.0)ImageCreateFromJPEG -- Create a new image from file or URLDescriptionint imagecreatefromjpeg (string filename) ImageCreateFromJPEG() returns an image identifier
representing the image obtained from the given filename.
ImagecreateFromJPEG() returns an empty string
on failure. It also outputs an error message, which unfortunately
displays as a broken link in a browser. To ease debugging the
following example will produce an error JPEG:
Przykład 1.
Example to handle an error during creation (courtesy
vic@zymsys.com )
function LoadJpeg ($imgname) {
$im = @ImageCreateFromJPEG ($imgname); /* Attempt to open */
if (!$im) { /* See if it failed */
$im = ImageCreate (150, 30); /* Create a blank image */
$bgc = ImageColorAllocate ($im, 255, 255, 255);
$tc = ImageColorAllocate ($im, 0, 0, 0);
ImageFilledRectangle ($im, 0, 0, 150, 30, $bgc);
/* Output an errmsg */
ImageString ($im, 1, 5, 5, "Error loading $imgname", $tc);
}
return $im;
}
PoprzedniSpis treściNastępnyImageCreateFromGIFPoczątek rozdziałuImageCreateFromPNG