hello
am facing a problem with image upload
the script does this
upload image
create a themb
resize the image then add a water mark on top of the image using GD 2
the bog i have is the image will turn black
and the thumb is normal
and i get this
Warning: imagecopyresampled(): supplied argument is not a valid Image resource in
E:\mysite\script\photoalbum\test\upload.php on line
195
PHP Code:
<?php
include("config.php");
// initialization
$result_final = "";
$counter = 0;
// List of our known photo types
$known_photo_types = array(
'image/pjpeg' => 'jpg',
'image/jpeg' => 'jpg',
'image/bmp' => 'bmp',
'image/x-png' => 'png');
// GD Function Suffix List
$gd_function_suffix = array(
'image/pjpeg' => 'JPEG',
'image/jpeg' => 'JPEG',
'image/bmp' => 'WBMP',
'image/x-png' => 'PNG');
// Fetch the photo array sent by preupload.php
$photos_uploaded = $_FILES['photo_filename'];
$photoFileName= $_FILES['photo_filename'];
// Fetch the photo caption array
$photo_caption = $_POST['photo_caption'];
while( $counter <= count($photos_uploaded) )
{
if($photos_uploaded['size'][$counter] > 0)
{
if(!array_key_exists($photos_uploaded['type'][$counter], $known_photo_types))
{
$result_final .= "File ".($counter+1)." is not a photo!<br />";
}else{
mysql_query( "INSERT INTO gallery_photos(`photo_filename`, `photo_caption`, `photo_category`) VALUES('0', '".addslashes($photo_caption[$counter])."', '".addslashes($_POST['category'])."')" );
$new_id = mysql_insert_id();
$filetype = $photos_uploaded['type'][$counter];
$extention = $known_photo_types[$filetype];
$filename = $new_id.".".$extention;
mysql_query( "UPDATE gallery_photos SET photo_filename='".addslashes($filename)."' WHERE photo_id='".addslashes($new_id)."'" );
// Store the orignal file
copy($photos_uploaded['tmp_name'][$counter], $images_dir."/".$filename);
// Let's get the original image size
$size = GetImageSize( $images_dir."/".$filename );
// First Create Thumbnail!
// Thumbnail Settings
$Config_tbwidth_wide = 150; // width of wide image
$Config_tbheight_wide = 125; // height of wide image
$Config_tbwidth_tall = 125; // width of tall image
$Config_tbheight_tall = 150; // height of tall image
// The Code
if($size[0] > $size[1]){
$thumbnail_width = $Config_tbwidth_wide;
$thumbnail_height = (int)($Config_tbwidth_wide * $size[1] / $size[0]);
if($thumbnail_height > $Config_tbheight_wide){
$thumbnail_height = $Config_tbheight_wide;
$thumbnail_width = (int)($Config_tbheight_wide * $size[0] / $size[1]);
}
}else{
$thumbnail_width = (int)($Config_tbheight_tall * $size[0] / $size[1]);
$thumbnail_height = $Config_tbheight_tall;
if($thumbnail_width > $Config_tbwidth_tall){
$thumbnail_width = $Config_tbwidth_tall;
$thumbnail_height = (int)($Config_tbwidth_tall * $size[1] / $size[0]);
}
}
// Build Thumbnail with GD 2.x.x, you can use the other described methods too
$function_suffix = $gd_function_suffix[$filetype];
$function_to_read = "ImageCreateFrom".$function_suffix;
$function_to_write = "Image".$function_suffix;
// Read the source file
$source_handle = $function_to_read ( $images_dir."/".$filename );
if($source_handle){
// Let's create a blank image for the thumbnail
$destination_handle = ImageCreateTrueColor ( $thumbnail_width, $thumbnail_height );
// Now we resize it
ImageCopyResampled( $destination_handle, $source_handle, 0, 0, 0, 0, $thumbnail_width, $thumbnail_height, $size[0], $size[1] );
}
// Let's save the thumbnail
$function_to_write( $destination_handle, $images_dir."/tb_".$filename, 100 );
ImageDestroy($destination_handle );
if ($size[0] > '600'){
$Config_width_wide = 600; // width of wide image
$Config_height_wide = 525; // height of wide image
$Config_width_tall = 525; // width of tall image
$Config_height_tall = 600; // height of tall image
// The Code
if($size[0] > $size[1]){
$image_width = $Config_width_wide;
$image_height = (int)($Config_width_wide * $size[1] / $size[0]);
if($image_height > $Config_height_wide){
$image_height = $Config_height_wide;
$image_width = (int)($Config_height_wide * $size[0] / $size[1]);
}
}else{
$image_width = (int)($Config_height_tall * $size[0] / $size[1]);
$image_height = $Config_height_tall;
if($image_width > $Config_width_tall){
$image_width = $Config_width_tall;
$image_height = (int)($Config_width_tall * $size[1] / $size[0]);
}
}
// Build image with GD 2.x.x, you can use the other described methods too
$function_suffix = $gd_function_suffix[$filetype];
$function_to_read = "ImageCreateFrom".$function_suffix;
$function_to_write = "Image".$function_suffix;
// Read the source file
$source_handle = $function_to_read ( $images_dir."/".$filename );
$watermark_width = 100;
$watermark_height = 100;
$dest_x = ($size[0] - $watermark_width) / 2;
$dest_y = ($size[1] - $watermark_height) / 2;
//stick a watermark on from an image
$watermark = imagecreatefrompng('water1.png');
$source_handle = imagecopymerge($source_handle , $watermark, $dest_x, $dest_y, 0, 0, $watermark_width, $watermark_height, 50);
if($source_handle){
// Let's create a blank image for the image
$destination_handle = ImageCreateTrueColor ( $image_width, $image_height );
// Now we resize it
// its her
ImageCopyResampled( $destination_handle, $source_handle, 0, 0, 0, 0, $image_width, $image_height, $size[0], $size[1] );
}
// Let's save the image
$function_to_write( $destination_handle, $images_dir."/".$filename, 90 );
ImageDestroy($destination_handle );
}
$result_final .= "<img src='".$images_dir. "/tb_".$filename."' /><br />File ".($counter+1)." Added Successfully!<br /><br />";
}
}
$counter++;
}
// Print Result
echo <<<__HTML_END
<html>
<head>
<title>Photos uploaded</title>
</head>
<body>
$result_final
</body>
</html>
__HTML_END;
?>
thanks for the help
May 11, 2006, 09:28
Problem with watermark
Hybrid Mode
