function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2, $modSettings;
// Without GD, no image resizing at all.
if (!checkGD()) {
return false;
}
$success = false;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
// Deal nicely with a PNG - because we can.
if (!empty($preferred_format) && $preferred_format == 3) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save the image as ...
if (!empty($preferred_format) && $preferred_format == 3 && function_exists('imagepng')) {
$success = imagepng($dst_img, $destName);
} elseif (!empty($preferred_format) && $preferred_format == 1 && function_exists('imagegif')) {
$success = imagegif($dst_img, $destName);
} elseif (function_exists('imagejpeg')) {
$success = imagejpeg($dst_img, $destName);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
return $success;
}
/**
* Resizes an image proportionally to fit within the defined max_width and max_height limits
*
* - Will do nothing to the image if the file fits within the size limits
* - If Image Magick is present it will use those function over any GD solutions
* - If GD2 is present, it'll use it to achieve better quality (imagecopyresampled)
* - Saves the new image to destination_filename, in the preferred_format
* if possible, default is jpeg.
*
* @uses GD
* @uses Imagick
*
* @package Graphics
* @param resource|null $src_img null for Imagick images, resource form imagecreatefrom for GD
* @param string $destName
* @param int $src_width
* @param int $src_height
* @param int $max_width
* @param int $max_height
* @param bool $force_resize = false
* @param int $preferred_format = 0
*/
function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2;
if (checkImagick()) {
// These are the file formats we know about
static $default_formats = array('1' => 'gif', '2' => 'jpeg', '3' => 'png', '6' => 'bmp', '15' => 'wbmp');
$preferred_format = empty($preferred_format) || !isset($default_formats[$preferred_format]) ? 2 : $preferred_format;
// Since Imagick can throw exceptions, lets catch them
try {
// Get a new instance of Imagick for use
$imagick = new Imagick($destName);
// Set the input and output image size
$src_width = empty($src_width) ? $imagick->getImageWidth() : $src_width;
$src_height = empty($src_height) ? $imagick->getImageHeight() : $src_height;
$dest_width = empty($max_width) ? $src_width : $max_width;
$dest_height = empty($max_height) ? $src_height : $max_height;
// Create a new image in our prefered format and resize it if needed
$imagick->setImageFormat($default_formats[$preferred_format]);
$imagick->resizeImage($dest_width, $dest_height, Imagick::FILTER_LANCZOS, 1, true);
// Save the new image in the destination location
$success = $imagick->writeImage($destName);
// Free resources associated with the Imagick object
$imagick->destroy();
} catch (Exception $e) {
// Not currently used, but here is the error
$success = $e->getMessage();
$success = false;
}
return !empty($success);
} elseif (checkGD()) {
$success = false;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
// Deal nicely with a PNG - because we can.
if (!empty($preferred_format) && $preferred_format == 3) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save the image as ...
if (!empty($preferred_format) && $preferred_format == 3 && function_exists('imagepng')) {
$success = imagepng($dst_img, $destName);
} elseif (!empty($preferred_format) && $preferred_format == 1 && function_exists('imagegif')) {
$success = imagegif($dst_img, $destName);
} elseif (function_exists('imagejpeg')) {
$success = imagejpeg($dst_img, $destName, 80);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
return $success;
} else {
return false;
}
}
function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height)
{
global $gd2, $modSettings;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
if (!empty($modSettings['avatar_download_png'])) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save it!
if (!empty($modSettings['avatar_download_png'])) {
imagepng($dst_img, $destName);
} else {
imagejpeg($dst_img, $destName, 65);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
}
function save_thumbnail($image, $size, $save_path, $save_name, $config = array())
{
$myreturn = false;
$size = array($size, $size);
if (empty($config['padding_type'])) {
$config['padding_type'] = PAD_1SIDE;
}
if (empty($config['quality'])) {
$config['quality'] = 90;
}
if ($imginfo = getimagesize($image)) {
$orig_size = array($imginfo[0], $imginfo[1]);
if ($orig_size[0] / $size[0] < $orig_size[1] / $size[1]) {
$relevant_length = 1;
} else {
$relevant_length = 0;
}
if ($imginfo[2] == IMAGETYPE_GIF && function_exists('imagecreatefromgif')) {
//gif
$myimg = @imagecreatefromgif($image);
} elseif ($imginfo[2] == IMAGETYPE_JPEG && function_exists('imagecreatefromjpeg')) {
//jpg
ob_start();
$myimg = @imagecreatefromjpeg($image);
ob_end_flush();
} elseif ($imginfo[2] == IMAGETYPE_PNG && function_exists('imagecreatefrompng')) {
//png
$myimg = @imagecreatefrompng($image);
}
if (!empty($myimg)) {
$new_size = array();
$mynewimg = '';
if ($orig_size[$relevant_length] > $size[$relevant_length]) {
// scale down
$new_size[$relevant_length] = $size[$relevant_length];
$new_size[1 - $relevant_length] = (int) ($orig_size[1 - $relevant_length] * ($size[$relevant_length] / $orig_size[$relevant_length]));
if ($config['padding_type'] == PAD_1SIDE || $config['padding_type'] == PAD_2SIDES) {
// $size=$size; // this is actually just PAD_1SIDE and the photo will be square
} else {
$size = $new_size;
// no padding here, photo has original proportions
}
} else {
// picture is smaller than the needed size
$new_size = $orig_size;
if ($config['padding_type'] == PAD_2SIDES) {
//pad in both directions. square and big
// $size=array($size,$size);
} elseif ($config['padding_type'] == PAD_1SIDE) {
// padding in one direction only. square but smaller
$size = $orig_size[$relevant_length];
$size = array($size, $size);
} else {
// no padding. original proportions
$size = $orig_size;
}
}
$mynewimg = @imagecreatetruecolor($size[0], $size[1]);
imagefilledrectangle($mynewimg, 0, 0, $size[0], $size[1], 0xffffff);
$x = (int) (($size[0] - $new_size[0]) / 2);
$y = (int) (($size[1] - $new_size[1]) / 2);
if (defined('BICUBIC_RESAMPLE')) {
imagecopyresamplebicubic($mynewimg, $myimg, $x, $y, 0, 0, $new_size[0], $new_size[1], $orig_size[0], $orig_size[1]);
} else {
fastimagecopyresampled($mynewimg, $myimg, $x, $y, 0, 0, $new_size[0], $new_size[1], $orig_size[0], $orig_size[1]);
}
if (!empty($config['watermark_text']) && function_exists('imagettftext')) {
$config['watermark_text_color'] = str_pad($config['watermark_text_color'], 6, '0', STR_PAD_RIGHT);
$text_color = imagecolorallocate($mynewimg, hexdec(substr($config['watermark_text_color'], 0, 2)), hexdec(substr($config['watermark_text_color'], 2, 2)), hexdec(substr($config['watermark_text_color'], 4, 2)));
$text_color2 = imagecolorallocate($mynewimg, 255 - hexdec(substr($config['watermark_text_color'], 0, 2)), 255 - hexdec(substr($config['watermark_text_color'], 2, 2)), 255 - hexdec(substr($config['watermark_text_color'], 4, 2)));
$font_size = 15;
do {
--$font_size;
$text_box = imagettfbbox($font_size, 0, _BASEPATH_ . '/includes/fonts/arial.ttf', $config['watermark_text']);
$textlen = $text_box[2] - $text_box[0] + 5;
} while ($textlen > $new_size[0]);
$watermark_x = (int) (($size[0] - $new_size[0]) / 2) + 5;
$watermark_y = $new_size[1] + (int) (($size[1] - $new_size[1]) / 2) - 20;
//shadow first
imagettftext($mynewimg, $font_size, 0, $watermark_x, $watermark_y, $text_color2, _BASEPATH_ . '/includes/fonts/arial.ttf', $config['watermark_text']);
//text second
imagettftext($mynewimg, $font_size, 0, $watermark_x + 1, $watermark_y + 1, $text_color, _BASEPATH_ . '/includes/fonts/arial.ttf', $config['watermark_text']);
}
if (!empty($config['watermark_image']) && is_file($config['watermark_image'])) {
$wm_image = @imagecreatefrompng($config['watermark_image']);
$wm_image_width = imagesx($wm_image);
$wm_image_height = imagesy($wm_image);
$wm_image_x = (int) (($size[0] - $new_size[0]) / 2) + 5;
$wm_image_y = $new_size[1] + (int) (($size[1] - $new_size[1]) / 2) - $wm_image_height;
if (defined('BICUBIC_RESAMPLE')) {
imagecopyresamplebicubic($mynewimg, $wm_image, $wm_image_x, $wm_image_y, 0, 0, $wm_image_width, $wm_image_height, $wm_image_width, $wm_image_height);
} else {
fastimagecopyresampled($mynewimg, $wm_image, $wm_image_x, $wm_image_y, 0, 0, $wm_image_width, $wm_image_height, $wm_image_width, $wm_image_height);
}
}
if (!empty($config['round_corners'])) {
$skin = get_my_skin();
imagealphablending($mynewimg, true);
// put the corners
$corner = @imagecreatefrompng(_BASEPATH_ . '/skins_site/' . $skin . '/images/corner_tl.png');
imagecopy($mynewimg, $corner, 0, 0, 0, 0, 7, 7);
$corner = @imagecreatefrompng(_BASEPATH_ . '/skins_site/' . $skin . '/images/corner_tr.png');
imagecopy($mynewimg, $corner, $size[0] - 7, 0, 0, 0, 7, 7);
$corner = @imagecreatefrompng(_BASEPATH_ . '/skins_site/' . $skin . '/images/corner_bl.png');
imagecopy($mynewimg, $corner, 0, $size[1] - 7, 0, 0, 7, 7);
$corner = @imagecreatefrompng(_BASEPATH_ . '/skins_site/' . $skin . '/images/corner_br.png');
imagecopy($mynewimg, $corner, $size[0] - 7, $size[1] - 7, 0, 0, 7, 7);
// draw the border lines
$border_color = imagecolorallocate($mynewimg, 0xcc, 0xcc, 0xcc);
imageline($mynewimg, 7, 0, $size[0] - 8, 0, $border_color);
//tl->tr
imageline($mynewimg, $size[0] - 1, 7, $size[0] - 1, $size[1] - 8, $border_color);
//tr->br
imageline($mynewimg, 7, $size[1] - 1, $size[0] - 8, $size[1] - 1, $border_color);
//bl->br
imageline($mynewimg, 0, 7, 0, $size[1] - 8, $border_color);
//tl->bl
}
$myreturn = imagejpeg($mynewimg, $save_path . '/' . $save_name . '.jpg', $config['quality']);
} else {
$myreturn = false;
}
} else {
$myreturn = false;
}
if (!empty($myimg)) {
imagedestroy($myimg);
}
if (!empty($mynewimg)) {
imagedestroy($mynewimg);
}
return $myreturn;
}
/**
* Resizes src_img proportionally to fit within max_width and max_height limits
* if it is too large.
* If GD2 is present, it'll use it to achieve better quality.
* It saves the new image to destination_filename, as preferred_format
* if possible, default is jpeg.
* @uses GD
*
* @param resource $src_img
* @param string $destName
* @param int $src_width
* @param int $src_height
* @param int $max_width
* @param int $max_height
* @param bool $force_resize = false
* @param int $preferred_format = 0
*/
function resizeImage($src_img, $destName, $src_width, $src_height, $max_width, $max_height, $force_resize = false, $preferred_format = 0)
{
global $gd2, $modSettings;
if (checkImagick()) {
static $default_formats = array('1' => 'gif', '2' => 'jpeg', '3' => 'png', '6' => 'bmp', '15' => 'wbmp');
$preferred_format = empty($preferred_format) || !isset($default_formats[$preferred_format]) ? 2 : $preferred_format;
$imagick = new Imagick($destName);
$src_width = empty($src_width) ? $imagick->getImageWidth() : $src_width;
$src_height = empty($src_height) ? $imagick->getImageHeight() : $src_height;
$dest_width = empty($max_width) ? $src_width : $max_width;
$dest_height = empty($max_height) ? $src_height : $max_height;
$imagick->setImageFormat($default_formats[$preferred_format]);
$imagick->resizeImage($dest_width, $dest_height, Imagick::FILTER_LANCZOS, 1, true);
$success = $imagick->writeImage($destName);
return !empty($success);
} elseif (checkGD()) {
$success = false;
// Determine whether to resize to max width or to max height (depending on the limits.)
if (!empty($max_width) || !empty($max_height)) {
if (!empty($max_width) && (empty($max_height) || $src_height * $max_width / $src_width <= $max_height)) {
$dst_width = $max_width;
$dst_height = floor($src_height * $max_width / $src_width);
} elseif (!empty($max_height)) {
$dst_width = floor($src_width * $max_height / $src_height);
$dst_height = $max_height;
}
// Don't bother resizing if it's already smaller...
if (!empty($dst_width) && !empty($dst_height) && ($dst_width < $src_width || $dst_height < $src_height || $force_resize)) {
// (make a true color image, because it just looks better for resizing.)
if ($gd2) {
$dst_img = imagecreatetruecolor($dst_width, $dst_height);
// Deal nicely with a PNG - because we can.
if (!empty($preferred_format) && $preferred_format == 3) {
imagealphablending($dst_img, false);
if (function_exists('imagesavealpha')) {
imagesavealpha($dst_img, true);
}
}
} else {
$dst_img = imagecreate($dst_width, $dst_height);
}
// Resize it!
if ($gd2) {
imagecopyresampled($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
} else {
imagecopyresamplebicubic($dst_img, $src_img, 0, 0, 0, 0, $dst_width, $dst_height, $src_width, $src_height);
}
} else {
$dst_img = $src_img;
}
} else {
$dst_img = $src_img;
}
// Save the image as ...
if (!empty($preferred_format) && $preferred_format == 3 && function_exists('imagepng')) {
$success = imagepng($dst_img, $destName);
} elseif (!empty($preferred_format) && $preferred_format == 1 && function_exists('imagegif')) {
$success = imagegif($dst_img, $destName);
} elseif (function_exists('imagejpeg')) {
$success = imagejpeg($dst_img, $destName);
}
// Free the memory.
imagedestroy($src_img);
if ($dst_img != $src_img) {
imagedestroy($dst_img);
}
return $success;
} else {
// Without GD, no image resizing at all.
return false;
}
}
