0) {
$pixel_size_buffer = 1.25;
$max_bytes = $comicpress_manager->convert_short_size_string_to_bytes(ini_get('memory_limit'));
if ($max_bytes > 0) {
$max_thumb_size = 0;
foreach ($targets_and_constraints as $target_and_constraint) {
list($target, $constraint) = $target_and_constraint;
$width_to_use = $constraint['width'];
$archive_comic_height = (int)(($width_to_use * $height) / $width);
$max_thumb_size = max($width_to_use * $archive_comic_height * 4, $max_thumb_size);
}
$input_image_size = $width * $height * 4;
if (strtolower(pathinfo($input, PATHINFO_EXTENSION)) == "gif") { $input_image_size *= 2; }
$recommended_size = ($input_image_size + $max_thumb_size) * $pixel_size_buffer;
if (function_exists('memory_get_usage')) { $recommended_size += memory_get_usage(); }
if ($recommended_size > $max_bytes) {
$comicpress_manager->warnings[] = sprintf(__("You don't have enough memory available to PHP and GD to process this file. You should set your PHP memory_size to at least %sM and try again. For more information, read the ComicPress Manager FAQ.", 'comicpress-manager'), (int)($recommended_size / (1024 * 1024)));
return false;
}
}
foreach ($targets_and_constraints as $target_and_constraint) {
list($target, $constraint) = $target_and_constraint;
$width_to_use = $constraint['width'];
$archive_comic_height = (int)(($width_to_use * $height) / $width);
$pathinfo = pathinfo($source);
$thumb_image = imagecreatetruecolor($width_to_use, $archive_comic_height);
imagealphablending($thumb_image, true);
switch(strtolower($pathinfo['extension'])) {
case "jpg":
case "jpeg":
$comic_image = imagecreatefromjpeg($source);
break;
case "gif":
$is_gif = true;
$temp_comic_image = imagecreatefromgif($source);
list($width, $height) = getimagesize($input);
$comic_image = imagecreatetruecolor($width, $height);
imagecopy($comic_image, $temp_comic_image, 0, 0, 0, 0, $width, $height);
imagedestroy($temp_comic_image);
break;
case "png":
$comic_image = imagecreatefrompng($source);
break;
default:
return false;
}
imagealphablending($comic_image, true);
if ($is_palette = !imageistruecolor($comic_image)) {
$number_of_colors = imagecolorstotal($comic_image);
}
imagecopyresampled($thumb_image, $comic_image, 0, 0, 0, 0, $width_to_use, $archive_comic_height, $width, $height);
$ok = true;
@touch($target);
if (file_exists($target)) {
@unlink($target);
switch(strtolower($target_format)) {
case "jpg":
case "jpeg":
if (imagetypes() & IMG_JPG) {
@imagejpeg($thumb_image, $target, $comicpress_manager->get_cpm_option("cpm-thumbnail-quality"));
} else {
return false;
}
break;
case "gif":
if (imagetypes() & IMG_GIF) {
if (function_exists('imagecolormatch')) {
$temp_comic_image = imagecreate($width_to_use, $archive_comic_height);
imagecopymerge($temp_comic_image, $thumb_image, 0, 0, 0, 0, $width_to_use, $archive_comic_height, 100);
imagecolormatch($thumb_image, $temp_comic_image);
@imagegif($temp_comic_image, $target);
imagedestroy($temp_comic_image);
} else {
@imagegif($thumb_image, $target);
}
} else {
return false;
}
break;
case "png":
if (imagetypes() & IMG_PNG) {
if ($is_palette) {
imagetruecolortopalette($thumb_image, true, $number_of_colors);
}
@imagepng($thumb_image, $target, 9);
} else {
return false;
}
break;
default:
return false;
}
}
if (!file_exists($target)) {
$ok = false;
} else {
@chmod($target, CPM_FILE_UPLOAD_CHMOD);
$files_created_in_operation[] = $target;
}
imagedestroy($comic_image);
imagedestroy($thumb_image);
}
}
return ($ok) ? $files_created_in_operation :false;
}
}
?>