/**
* Creates the cache folder version of the image, including watermarking
*
* @param string $newfilename the name of the file when it is in the cache
* @param string $imgfile the image name
* @param array $args the cropping arguments
* @param bool $allow_watermark set to true if image may be watermarked
* @param string $theme the current theme
* @param string $album the album containing the image
*/
function cacheImage($newfilename, $imgfile, $args, $allow_watermark = false, $theme, $album)
{
@(list($size, $width, $height, $cw, $ch, $cx, $cy, $quality, $thumb, $crop, $thumbstandin, $passedWM, $adminrequest, $effects) = $args);
// Set the config variables for convenience.
$image_use_side = getOption('image_use_side');
$upscale = getOption('image_allow_upscale');
$allowscale = true;
$sharpenthumbs = getOption('thumb_sharpen');
$sharpenimages = getOption('image_sharpen');
$id = NULL;
$watermark_use_image = getAlbumInherited($album, 'watermark', $id);
if (empty($watermark_use_image)) {
$watermark_use_image = IMAGE_WATERMARK;
}
if (!$effects) {
if ($thumb && getOption('thumb_gray')) {
$effects = 'gray';
} else {
if (getOption('image_gray')) {
$effects = 'gray';
}
}
}
$newfile = SERVERCACHE . $newfilename;
if (DEBUG_IMAGE) {
debugLog("cacheImage(\$imgfile=" . basename($imgfile) . ", \$newfilename={$newfilename}, \$allow_watermark={$allow_watermark}, \$theme={$theme}) \$size={$size}, \$width={$width}, \$height={$height}, \$cw={$cw}, \$ch={$ch}, \$cx=" . (is_null($cx) ? 'NULL' : $cx) . ", \$cy=" . (is_null($cy) ? 'NULL' : $cy) . ", \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop} \$image_use_side={$image_use_side}; \$upscale={$upscale};");
}
// Check for the source image.
if (!file_exists($imgfile) || !is_readable($imgfile)) {
imageError(gettext('Image not found or is unreadable.'), 'err-imagenotfound.png');
}
$rotate = false;
if (zp_imageCanRotate() && getOption('auto_rotate')) {
$rotate = getImageRotation($imgfile);
}
if ($im = zp_imageGet($imgfile)) {
if ($rotate) {
$im = zp_rotateImage($im, $rotate);
}
$w = zp_imageWidth($im);
$h = zp_imageHeight($im);
// Give the sizing dimension to $dim
$ratio_in = '';
$ratio_out = '';
$crop = $crop || $cw != 0 || $ch != 0;
if (!empty($size)) {
$dim = $size;
$width = $height = false;
if ($crop) {
$dim = $size;
if (!$ch) {
$ch = $size;
}
if (!$cw) {
$cw = $size;
}
}
} else {
if (!empty($width) && !empty($height)) {
$ratio_in = $h / $w;
$ratio_out = $height / $width;
if ($ratio_in > $ratio_out) {
// image is taller than desired, $height is the determining factor
$thumb = true;
$dim = $width;
if (!$ch) {
$ch = $height;
}
} else {
// image is wider than desired, $width is the determining factor
$dim = $height;
if (!$cw) {
$cw = $width;
}
}
} else {
if (!empty($width)) {
$dim = $width;
$size = $height = false;
} else {
if (!empty($height)) {
$dim = $height;
$size = $width = false;
} else {
// There's a problem up there somewhere...
imageError(gettext("Unknown error! Please report to the developers at <a href=\"http://www.zenphoto.org/\">www.zenphoto.org</a>"), 'err-imagegeneral.png');
}
}
}
}
$sizes = propSizes($size, $width, $height, $w, $h, $thumb, $image_use_side, $dim);
list($neww, $newh) = $sizes;
if (DEBUG_IMAGE) {
debugLog("cacheImage:" . basename($imgfile) . ": \$size={$size}, \$width={$width}, \$height={$height}, \$w={$w}; \$h={$h}; \$cw={$cw}, " . "\$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$newh={$newh}, \$neww={$neww}, \$dim={$dim}, " . "\$ratio_in={$ratio_in}, \$ratio_out={$ratio_out} \$upscale={$upscale} \$rotate={$rotate} \$effects={$effects}");
}
if (!$upscale && $newh >= $h && $neww >= $w) {
// image is the same size or smaller than the request
$neww = $w;
$newh = $h;
$allowscale = false;
if ($crop) {
if ($width > $neww) {
$width = $neww;
}
if ($height > $newh) {
$height = $newh;
}
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:no upscale " . basename($imgfile) . ": \$newh={$newh}, \$neww={$neww}, \$crop={$crop}, \$thumb={$thumb}, \$rotate={$rotate}, watermark=" . $watermark_use_image);
}
}
// Crop the image if requested.
if ($crop) {
if ($cw > $ch) {
$ir = $ch / $cw;
} else {
$ir = $cw / $ch;
}
if ($size) {
$neww = $size;
$newh = $ir * $size;
} else {
$neww = $width;
$newh = $height;
if ($neww > $newh) {
if ($newh === false) {
$newh = $ir * $neww;
}
} else {
if ($neww === false) {
$neww = $ir * $newh;
}
}
}
if (is_null($cx) && is_null($cy)) {
// scale crop to max of image
// set crop scale factor
$cf = 1;
if ($cw) {
$cf = min($cf, $cw / $neww);
}
if ($ch) {
$cf = min($cf, $ch / $newh);
}
// set the image area of the crop (use the most image possible, rule of thirds positioning)
if (!$cw || $w / $cw * $ch > $h) {
$cw = round($h / $ch * $cw * $cf);
$ch = round($h * $cf);
$cx = round(($w - $cw) / 3);
} else {
$ch = round($w / $cw * $ch * $cf);
$cw = round($w * $cf);
$cy = round(($h - $ch) / 3);
}
} else {
// custom crop
if (!$cw || $cw > $w) {
$cw = $w;
}
if (!$ch || $ch > $h) {
$ch = $h;
}
}
// force the crop to be within the image
if ($cw + $cx > $w) {
$cx = $w - $cw;
}
if ($cx < 0) {
$cw = $cw + $cx;
$cx = 0;
}
if ($ch + $cy > $h) {
$cy = $h - $ch;
}
if ($cy < 0) {
$ch = $ch + $cy;
$cy = 0;
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:crop " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$cw={$cw}, \$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}");
}
$newim = zp_createImage($neww, $newh);
zp_resampleImage($newim, $im, 0, 0, $cx, $cy, $neww, $newh, $cw, $ch);
} else {
if ($allowscale) {
$sizes = propSizes($size, $width, $height, $w, $h, $thumb, $image_use_side, $dim);
list($neww, $newh) = $sizes;
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:no crop " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$dim={$dim}, \$neww={$neww}; \$newh={$newh}; \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}; \$allowscale={$allowscale};");
}
$newim = zp_createImage($neww, $newh);
zp_resampleImage($newim, $im, 0, 0, 0, 0, $neww, $newh, $w, $h);
}
$imgEffects = explode(',', $effects);
if (in_array('gray', $imgEffects)) {
zp_imageGray($newim);
}
if ($thumb && $sharpenthumbs || !$thumb && $sharpenimages) {
zp_imageUnsharpMask($newim, getOption('sharpen_amount'), getOption('sharpen_radius'), getOption('sharpen_threshold'));
}
$watermark_image = false;
if ($passedWM) {
if ($passedWM != NO_WATERMARK) {
$watermark_image = getWatermarkPath($passedWM);
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
}
} else {
if ($allow_watermark) {
$watermark_image = $watermark_use_image;
if ($watermark_image) {
if ($watermark_image != NO_WATERMARK) {
$watermark_image = getWatermarkPath($watermark_image);
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
}
}
}
}
if ($watermark_image) {
$offset_h = getOption('watermark_h_offset') / 100;
$offset_w = getOption('watermark_w_offset') / 100;
$watermark = zp_imageGet($watermark_image);
$watermark_width = zp_imageWidth($watermark);
$watermark_height = zp_imageHeight($watermark);
$imw = zp_imageWidth($newim);
$imh = zp_imageHeight($newim);
$nw = sqrt($imw * $imh * $percent * ($watermark_width / $watermark_height));
$nh = $nw * ($watermark_height / $watermark_width);
$percent = getOption('watermark_scale') / 100;
$r = sqrt($imw * $imh * $percent / ($watermark_width * $watermark_height));
if (!getOption('watermark_allow_upscale')) {
$r = min(1, $r);
}
$nw = round($watermark_width * $r);
$nh = round($watermark_height * $r);
if ($nw != $watermark_width || $nh != $watermark_height) {
$watermark = zp_imageResizeAlpha($watermark, $nw, $nh);
}
// Position Overlay in Bottom Right
$dest_x = max(0, floor(($imw - $nw) * $offset_w));
$dest_y = max(0, floor(($imh - $nh) * $offset_h));
if (DEBUG_IMAGE) {
debugLog("Watermark:" . basename($imgfile) . ": \$offset_h={$offset_h}, \$offset_w={$offset_w}, \$watermark_height={$watermark_height}, \$watermark_width={$watermark_width}, \$imw={$imw}, \$imh={$imh}, \$percent={$percent}, \$r={$r}, \$nw={$nw}, \$nh={$nh}, \$dest_x={$dest_x}, \$dest_y={$dest_y}");
}
zp_copyCanvas($newim, $watermark, $dest_x, $dest_y, 0, 0, $nw, $nh);
zp_imageKill($watermark);
}
// Create the cached file (with lots of compatibility)...
mkdir_recursive(dirname($newfile));
if (zp_imageOutput($newim, getSuffix($newfile), $newfile, $quality)) {
// successful save of cached image
if (getOption('ImbedIPTC') && getSuffix($newfilename) == 'jpg') {
// the imbed function works only with JPEG images
$iptc_data = zp_imageIPTC($imgfile);
if (empty($iptc_data)) {
global $_zp_extra_filetypes;
// because we are doing the require in a function!
if (!$_zp_extra_filetypes) {
$_zp_extra_filetypes = array();
}
require_once dirname(__FILE__) . '/functions.php';
// it is ok to increase memory footprint now since the image processing is complete
$gallery = new Gallery();
$iptc = array('1#090' => chr(0x1b) . chr(0x25) . chr(0x47), '2#115' => $gallery->getTitle());
$imgfile = str_replace(ALBUM_FOLDER_SERVERPATH, '', $imgfile);
$imagename = basename($imgfile);
$albumname = dirname($imgfile);
$image = newImage(new Album(new Gallery(), $albumname), $imagename);
$copyright = $image->getCopyright();
if (empty($copyright)) {
$copyright = getOption('default_copyright');
}
if (!empty($copyright)) {
$iptc['2#116'] = $copyright;
}
$credit = $image->getCredit();
if (!empty($credit)) {
$iptc['2#110'] = $credit;
}
foreach ($iptc as $tag => $string) {
$tag_parts = explode('#', $tag);
$iptc_data .= iptc_make_tag($tag_parts[0], $tag_parts[1], $string);
}
} else {
if (GRAPHICS_LIBRARY == 'Imagick' && IMAGICK_RETAIN_PROFILES) {
// Imageick has preserved the metadata
$iptc_data = false;
}
}
if ($iptc_data) {
$content = iptcembed($iptc_data, $newfile);
$fw = fopen($newfile, 'w');
fwrite($fw, $content);
fclose($fw);
clearstatcache();
}
}
if (DEBUG_IMAGE) {
debugLog('Finished:' . basename($imgfile));
}
} else {
if (DEBUG_IMAGE) {
debugLog('cacheImage: failed to create ' . $newfile);
}
}
@chmod($newfile, 0666 & CHMOD_VALUE);
zp_imageKill($newim);
zp_imageKill($im);
}
}
// dump the picture and stop the script
fpassthru($fp);
fclose($fp);
exitZP();
}
}
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header("Content-Type: image/{$suffix}");
if ($disposal == 'Download') {
header('Content-Disposition: attachment; filename="' . $image . '"');
// enable this to make the image a download
}
if (is_null($cache_path) || !file_exists($cache_path)) {
//process the image
if ($forbidden) {
imageError('403 Forbidden', gettext("Forbidden(2)"));
}
if ($force_cache && !$process) {
// we can just use the original!
if (SYMLINK && @symlink($image_path, $cache_path)) {
if (DEBUG_IMAGE) {
debugLog("full-image:symlink original " . basename($image));
}
clearstatcache();
} else {
if (@copy($image_path, $cache_path)) {
if (DEBUG_IMAGE) {
debugLog("full-image:copy original " . basename($image));
}
clearstatcache();
}
/**
* Creates the cache folder version of the image, including watermarking
*
* @param string $newfilename the name of the file when it is in the cache
* @param string $imgfile the image name
* @param array $args the cropping arguments
* @param bool $allow_watermark set to true if image may be watermarked
* @param bool $force_cache set to true to force the image into the cache folders
* @param string $theme the current theme
*/
function cacheImage($newfilename, $imgfile, $args, $allow_watermark = false, $force_cache = false, $theme)
{
@(list($size, $width, $height, $cw, $ch, $cx, $cy, $quality, $thumb, $crop, $thumbstandin, $thumbWM, $adminrequest) = $args);
// Set the config variables for convenience.
$image_use_side = getOption('image_use_side');
$upscale = getOption('image_allow_upscale');
$allowscale = true;
$sharpenthumbs = getOption('thumb_sharpen');
$sharpenimages = getOption('image_sharpen');
$newfile = SERVERCACHE . $newfilename;
if (DEBUG_IMAGE) {
debugLog("cacheImage(\$imgfile=" . basename($imgfile) . ", \$newfilename={$newfilename}, \$allow_watermark={$allow_watermark}, \$force_cache={$force_cache}, \$theme={$theme}) \$size={$size}, \$width={$width}, \$height={$height}, \$cw={$cw}, \$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop} \$image_use_side={$image_use_side}; \$upscale={$upscale};");
}
// Check for GD
if (!function_exists('imagecreatetruecolor')) {
imageError(gettext('The GD Library is not installed or not available.'), 'err-nogd.gif');
}
// Check for the source image.
if (!file_exists($imgfile) || !is_readable($imgfile)) {
imageError(gettext('Image not found or is unreadable.'), 'err-imagenotfound.gif');
}
$rotate = false;
if (function_exists('imagerotate') && getOption('auto_rotate')) {
$rotate = getImageRotation($imgfile);
}
if ($im = get_image($imgfile)) {
if ($rotate) {
$newim_rot = imagerotate($im, $rotate, 0);
imagedestroy($im);
$im = $newim_rot;
}
$w = imagesx($im);
$h = imagesy($im);
// Give the sizing dimension to $dim
$ratio_in = '';
$ratio_out = '';
$crop = $crop || $cw != 0 || $ch != 0;
if (!empty($size)) {
$dim = $size;
$width = $height = false;
if ($crop) {
$dim = $size;
if (!$ch) {
$ch = $size;
}
if (!$cw) {
$cw = $size;
}
}
} else {
if (!empty($width) && !empty($height)) {
$ratio_in = $h / $w;
$ratio_out = $height / $width;
if ($ratio_in > $ratio_out) {
// image is taller than desired, $height is the determining factor
$thumb = true;
$dim = $width;
if (!$ch) {
$ch = $height;
}
} else {
// image is wider than desired, $width is the determining factor
$dim = $height;
if (!$cw) {
$cw = $width;
}
}
} else {
if (!empty($width)) {
$dim = $width;
$size = $height = false;
} else {
if (!empty($height)) {
$dim = $height;
$size = $width = false;
} else {
// There's a problem up there somewhere...
imageError(gettext("Unknown error! Please report to the developers at <a href=\"http://www.zenphoto.org/\">www.zenphoto.org</a>"), 'err-imagegeneral.gif');
}
}
}
}
$sizes = propSizes($size, $width, $height, $w, $h, $thumb, $image_use_side, $dim);
list($neww, $newh) = $sizes;
if (DEBUG_IMAGE) {
debugLog("cacheImage:" . basename($imgfile) . ": \$size={$size}, \$width={$width}, \$height={$height}, \$w={$w}; \$h={$h}; \$cw={$cw}, \$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$newh={$newh}, \$neww={$neww}, \$dim={$dim}, \$ratio_in={$ratio_in}, \$ratio_out={$ratio_out} \$upscale={$upscale} \$rotate={$rotate} \$force_cache={$force_cache}");
}
if (!$upscale && $newh >= $h && $neww >= $w) {
// image is the same size or smaller than the request
if (!getOption('watermark_image') && !($crop || $thumb || $rotate || $force_cache)) {
// no processing needed
if (DEBUG_IMAGE) {
debugLog("Serve " . basename($imgfile) . " from original image.");
}
if (getOption('album_folder_class') != 'external') {
// local album system, return the image directly
$image = substr(strrchr($imgfile, '/'), 1);
$album = substr($imgfile, strlen(getAlbumFolder()));
$album = substr($album, 0, strlen($album) - strlen($image) - 1);
header("Location: " . getAlbumFolder(FULLWEBPATH) . pathurlencode($album) . "/" . rawurlencode($image));
exit;
} else {
// the web server does not have access to the image, have to supply it
$suffix = strtolower(substr(strrchr($filename, "."), 1));
$fp = fopen($imgfile, 'rb');
// send the right headers
header("Content-Type: image/{$suffix}");
header("Content-Length: " . filesize($imgfile));
// dump the picture and stop the script
fpassthru($fp);
fclose($fp);
exit;
}
}
$neww = $w;
$newh = $h;
$allowscale = false;
if ($crop) {
if ($width > $neww) {
$width = $neww;
}
if ($height > $newh) {
$height = $newh;
}
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:no upscale " . basename($imgfile) . ": \$newh={$newh}, \$neww={$neww}");
}
}
// Crop the image if requested.
if ($crop) {
if ($cw > $ch) {
$ir = $ch / $cw;
} else {
$ir = $cw / $ch;
}
if ($size) {
$ts = $size;
$neww = $size;
$newh = $ir * $size;
} else {
$neww = $width;
$newh = $height;
if ($neww > $newh) {
$ts = $neww;
if ($newh === false) {
$newh = $ir * $neww;
}
} else {
$ts = $newh;
if ($neww === false) {
$neww = $ir * $newh;
}
}
}
$cr = min($w, $h) / $ts;
if (!$cx) {
if (!$cw) {
$cw = $w;
} else {
$cw = round($cw * $cr);
}
$cx = round(($w - $cw) / 2);
} else {
// custom crop
if (!$cw || $cw > $w) {
$cw = $w;
}
}
if (!$cy) {
if (!$ch) {
$ch = $h;
} else {
$ch = round($ch * $cr);
}
$cy = round(($h - $ch) / 2);
} else {
// custom crop
if (!$ch || $ch > $h) {
$ch = $h;
}
}
if ($cw + $cx > $w) {
$cx = $w - $cw;
}
if ($cx < 0) {
$cw = $cw + $cx;
$cx = 0;
}
if ($ch + $cy > $h) {
$cy = $h - $ch;
}
if ($cy < 0) {
$ch = $ch + $cy;
$cy = 0;
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:crop " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$cw={$cw}, \$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}");
}
$newim = imagecreatetruecolor($neww, $newh);
imagecopyresampled($newim, $im, 0, 0, $cx, $cy, $neww, $newh, $cw, $ch);
} else {
if ($allowscale) {
$sizes = propSizes($size, $width, $height, $w, $h, $thumb, $image_use_side, $dim);
list($neww, $newh) = $sizes;
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:no crop " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$dim={$dim}, \$neww={$neww}; \$newh={$newh}; \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}; \$allowscale={$allowscale};");
}
$newim = imagecreatetruecolor($neww, $newh);
imagecopyresampled($newim, $im, 0, 0, 0, 0, $neww, $newh, $w, $h);
}
if ($thumb && $sharpenthumbs || !$thumb && $sharpenimages) {
unsharp_mask($newim, getOption('sharpen_amount'), getOption('sharpen_radius'), getOption('sharpen_threshold'));
}
$watermark_image = false;
if ($thumbWM) {
if ($thumb || !$allow_watermark) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/watermarks/' . UTF8ToFileSystem($thumbWM) . '.png';
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
}
} else {
if ($allow_watermark) {
$watermark_image = getOption('fullimage_watermark');
if ($watermark_image) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/watermarks/' . UTF8ToFileSystem($watermark_image) . '.png';
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
}
}
}
if ($watermark_image) {
$offset_h = getOption('watermark_h_offset') / 100;
$offset_w = getOption('watermark_w_offset') / 100;
$watermark = imagecreatefrompng($watermark_image);
$watermark_width = imagesx($watermark);
$watermark_height = imagesy($watermark);
$imw = imagesx($newim);
$imh = imagesy($newim);
$percent = getOption('watermark_scale') / 100;
$r = sqrt($imw * $imh * $percent / ($watermark_width * $watermark_height));
if (!getOption('watermark_allow_upscale')) {
$r = min(1, $r);
}
$nw = round($watermark_width * $r);
$nh = round($watermark_height * $r);
if ($nw != $watermark_width || $nh != $watermark_height) {
$watermark = imageResizeAlpha($watermark, $nw, $nh);
}
// Position Overlay in Bottom Right
$dest_x = max(0, floor(($imw - $nw) * $offset_w));
$dest_y = max(0, floor(($imh - $nh) * $offset_h));
if (DEBUG_IMAGE) {
debugLog("Watermark:" . basename($imgfile) . ": \$offset_h={$offset_h}, \$offset_w={$offset_w}, \$watermark_height={$watermark_height}, \$watermark_width={$watermark_width}, \$imw={$imw}, \$imh={$imh}, \$percent={$percent}, \$r={$r}, \$nw={$nw}, \$nh={$nh}, \$dest_x={$dest_x}, \$dest_y={$dest_y}");
}
imagecopy($newim, $watermark, $dest_x, $dest_y, 0, 0, $nw, $nh);
imagedestroy($watermark);
}
// Create the cached file (with lots of compatibility)...
mkdir_recursive(dirname($newfile));
if (imagejpeg($newim, $newfile, $quality)) {
if (DEBUG_IMAGE) {
debugLog('Finished:' . basename($imgfile));
}
} else {
if (DEBUG_IMAGE) {
debugLog('cacheImage: failed to create ' . $newfile);
}
}
@chmod($newfile, 0666 & CHMOD_VALUE);
imagedestroy($newim);
imagedestroy($im);
}
}
function resampleImage($image, $size = NJB_IMAGE_SIZE)
{
global $cfg, $db;
authenticate('access_admin', true);
if (substr($image, 0, 7) != 'http://' && substr($image, 0, 8) != 'https://') {
imageError();
}
$extension = substr(strrchr($image, '.'), 1);
$extension = strtolower($extension);
if ($extension == 'jpg') {
$src_image = @imageCreateFromJpeg($image) or imageError();
} elseif ($extension == 'jpeg') {
$src_image = @imageCreateFromJpeg($image) or imageError();
} elseif ($extension == 'png') {
$src_image = @imageCreateFromPng($image) or imageError();
} else {
$imagesize = @getimagesize($image) or imageError();
if ($imagesize[2] == IMAGETYPE_JPEG) {
$src_image = @imageCreateFromJpeg($image) or imageError();
$extension = 'jpg';
} elseif ($imagesize[2] == IMAGETYPE_PNG) {
$src_image = @imageCreateFromJpeg($image) or imageError();
$extension = 'png';
} else {
imageCreateFromPng('image/image_error.png');
}
}
if (($extension == 'jpg' || $extension == 'jpeg') && imageSX($src_image) == $size && imageSY($src_image) == $size) {
$data = @file_get_contents($image) or imageError();
} elseif (imageSY($src_image) / imageSX($src_image) <= 1) {
// Crops from left and right to get a squire image.
$sourceWidth = imageSY($src_image);
$sourceHeight = imageSY($src_image);
$sourceX = round((imageSX($src_image) - imageSY($src_image)) / 2);
$sourceY = 0;
} else {
// Crops from top and bottom to get a squire image.
$sourceWidth = imageSX($src_image);
$sourceHeight = imageSX($src_image);
$sourceX = 0;
$sourceY = round((imageSY($src_image) - imageSX($src_image)) / 2);
}
if (isset($sourceWidth)) {
$dst_image = ImageCreateTrueColor($size, $size);
imageCopyResampled($dst_image, $src_image, 0, 0, $sourceX, $sourceY, $size, $size, $sourceWidth, $sourceHeight);
ob_start();
imageJpeg($dst_image, NULL, NJB_IMAGE_QUALITY);
$data = ob_get_contents();
ob_end_clean();
imageDestroy($dst_image);
}
imageDestroy($src_image);
header('Cache-Control: max-age=600');
streamData($data, 'image/jpeg');
}
// ... and redirect the browser to it.
$suffix = getSuffix($newfilename);
switch ($suffix) {
case 'wbm':
case 'wbmp':
$suffix = 'wbmp';
break;
case 'jpg':
$suffix = 'jpeg';
break;
case 'png':
case 'gif':
case 'jpeg':
break;
default:
imageError(405, 'Method Not Allowed', sprintf(gettext("Suffix Not Allowed: %s"), filesystemToInternal(basename($newfilename))));
}
if (OPEN_IMAGE_CACHE) {
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $fmt) . ' GMT');
header('Content-Type: image/' . $suffix);
header('Location: ' . $path, true, 301);
} else {
$fp = fopen($newfile, 'rb');
// send the right headers
header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
header("Content-Type: image/{$suffix}");
header("Content-Length: " . filesize($newfile));
// dump the picture and stop the script
fpassthru($fp);
fclose($fp);
}
require_once dirname(__FILE__) . "/functions-image.php";
if (isset($_GET['dsp'])) {
$disposal = sanitize($_GET['dsp']);
} else {
$disposal = getOption('protect_full_image');
}
if ($disposal == 'No access') {
// illegal use of the script!
pageError(403, gettext("Forbidden"));
exit;
}
// Check for minimum parameters.
if (!isset($_GET['a']) || !isset($_GET['i'])) {
header("HTTP/1.0 404 Not Found");
header("Status: 404 Not Found");
imageError(gettext("Too few arguments! Image not found."), 'err-imagenotfound.png');
}
list($ralbum, $rimage) = rewrite_get_album_image('a', 'i');
$ralbum = internalToFilesystem($ralbum);
$rimage = internalToFilesystem($rimage);
$album = str_replace('..', '', sanitize_path($ralbum));
$image = str_replace(array('/', "\\"), '', sanitize_path($rimage));
$album8 = filesystemToInternal($album);
$image8 = filesystemToInternal($image);
$theme = themeSetup($album);
// loads the theme based image options.
/* Prevent hotlinking to the full image from other servers. */
$server = $_SERVER['SERVER_NAME'];
if (isset($_SERVER['HTTP_REFERER'])) {
$test = strpos($_SERVER['HTTP_REFERER'], $server);
} else {
/**
* Creates the cache folder version of the image, including watermarking
*
* @param string $newfilename the name of the file when it is in the cache
* @param string $imgfile the image name
* @param array $args the cropping arguments
* @param bool $allow_watermark set to true if image may be watermarked
* @param string $theme the current theme
* @param string $album the album containing the image
*/
function cacheImage($newfilename, $imgfile, $args, $allow_watermark = false, $theme, $album)
{
global $_zp_gallery;
try {
@(list($size, $width, $height, $cw, $ch, $cx, $cy, $quality, $thumb, $crop, $thumbstandin, $passedWM, $adminrequest, $effects) = $args);
// Set the config variables for convenience.
$image_use_side = getOption('image_use_side');
$upscale = getOption('image_allow_upscale');
$allowscale = true;
$sharpenthumbs = getOption('thumb_sharpen');
$sharpenimages = getOption('image_sharpen');
$id = $im = NULL;
$watermark_use_image = getAlbumInherited($album, 'watermark', $id);
if (empty($watermark_use_image)) {
$watermark_use_image = IMAGE_WATERMARK;
}
if (!$effects) {
if ($thumb && getOption('thumb_gray')) {
$effects = 'gray';
} else {
if (getOption('image_gray')) {
$effects = 'gray';
}
}
}
$newfile = SERVERCACHE . $newfilename;
mkdir_recursive(dirname($newfile), FOLDER_MOD);
if (DEBUG_IMAGE) {
debugLog("cacheImage(\$imgfile=" . basename($imgfile) . ", \$newfilename={$newfilename}, \$allow_watermark={$allow_watermark}, \$theme={$theme}) \$size={$size}, \$width={$width}, \$height={$height}, \$cw={$cw}, \$ch={$ch}, \$cx=" . (is_null($cx) ? 'NULL' : $cx) . ", \$cy=" . (is_null($cy) ? 'NULL' : $cy) . ", \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop} \$image_use_side={$image_use_side}; \$upscale={$upscale});");
}
// Check for the source image.
if (!file_exists($imgfile) || !is_readable($imgfile)) {
imageError('404 Not Found', sprintf(gettext('Image %s not found or is unreadable.'), filesystemToInternal($imgfile)), 'err-imagenotfound.png');
}
$rotate = false;
if (zp_imageCanRotate()) {
$rotate = getImageRotation($imgfile);
}
$s = getSuffix($imgfile);
if (function_exists('exif_thumbnail') && getOption('use_embedded_thumb') && ($s == 'jpg' || $s == 'jpeg')) {
$im = exif_thumbnail($imgfile, $tw, $th, $tt);
if ($im) {
if ($size) {
$big_enough = $tw >= $size && $th >= $size;
} else {
$big_enough = $tw >= $width && $th >= $height;
}
if ($big_enough) {
$im = zp_imageFromString($im);
if (DEBUG_IMAGE && $im) {
debugLog(sprintf(gettext('Using %1$ux%2$u %3$s thumbnail image.'), $tw, $th, image_type_to_mime_type($tt)));
}
} else {
$im = false;
}
} else {
$im = false;
}
}
if (!$im) {
$im = zp_imageGet($imgfile);
}
if (!$im) {
imageError('404 Not Found', sprintf(gettext('Image %s not renderable (imageGet).'), filesystemToInternal($imgfile)), 'err-failimage.png');
}
if ($rotate) {
if (DEBUG_IMAGE) {
debugLog("cacheImage:rotate->{$rotate}");
}
$im = zp_rotateImage($im, $rotate);
if (!$im) {
imageError('404 Not Found', sprintf(gettext('Image %s not rotatable.'), filesystemToInternal($imgfile)), 'err-failimage.png');
}
}
$w = zp_imageWidth($im);
$h = zp_imageHeight($im);
// Give the sizing dimension to $dim
$ratio_in = '';
$ratio_out = '';
$crop = $crop || $cw != 0 || $ch != 0;
if (!empty($size)) {
$dim = $size;
if ($crop) {
$dim = $size;
if (!$ch) {
$ch = $size;
}
if (!$cw) {
$cw = $size;
}
$width = $cw;
$height = $ch;
$size = false;
} else {
$width = $height = false;
}
} else {
if (!empty($width) && !empty($height)) {
$ratio_in = $h / $w;
$ratio_out = $height / $width;
if ($ratio_in > $ratio_out) {
// image is taller than desired, $height is the determining factor
$thumb = true;
$dim = $width;
if (!$ch) {
$ch = $height;
}
} else {
// image is wider than desired, $width is the determining factor
$dim = $height;
if (!$cw) {
$cw = $width;
}
}
} else {
if (!empty($width)) {
$dim = $width;
$size = $height = false;
} else {
if (!empty($height)) {
$dim = $height;
$size = $width = false;
} else {
// There's a problem up there somewhere...
imageError('404 Not Found', sprintf(gettext('Unknown error processing %s! Please report to the <a href="' . GITHUB . '/issues">developers</a>'), filesystemToInternal($imgfile)), 'err-imagegeneral.png');
}
}
}
}
$sizes = propSizes($size, $width, $height, $w, $h, $thumb, $image_use_side, $dim);
list($neww, $newh) = $sizes;
if (DEBUG_IMAGE) {
debugLog("cacheImage:" . basename($imgfile) . ": \$size={$size}, \$width={$width}, \$height={$height}, \$w={$w}; \$h={$h}; \$cw={$cw}, " . "\$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$newh={$newh}, \$neww={$neww}, \$dim={$dim}, " . "\$ratio_in={$ratio_in}, \$ratio_out={$ratio_out} \$upscale={$upscale} \$rotate={$rotate} \$effects={$effects}");
}
if (!$upscale && $newh >= $h && $neww >= $w) {
// image is the same size or smaller than the request
$neww = $w;
$newh = $h;
$allowscale = false;
if ($crop) {
if ($width > $neww) {
$width = $neww;
}
if ($height > $newh) {
$height = $newh;
}
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:no upscale " . basename($imgfile) . ": \$newh={$newh}, \$neww={$neww}, \$crop={$crop}, \$thumb={$thumb}, \$rotate={$rotate}, watermark=" . $watermark_use_image);
}
}
$watermark_image = false;
if ($passedWM) {
if ($passedWM != NO_WATERMARK) {
$watermark_image = getWatermarkPath($passedWM);
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
}
} else {
if ($allow_watermark) {
$watermark_image = $watermark_use_image;
if ($watermark_image) {
if ($watermark_image != NO_WATERMARK) {
$watermark_image = getWatermarkPath($watermark_image);
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
}
}
}
}
// Crop the image if requested.
if ($crop) {
if ($cw > $ch) {
$ir = $ch / $cw;
} else {
$ir = $cw / $ch;
}
if ($size) {
$neww = $size;
$newh = $ir * $size;
} else {
$neww = $width;
$newh = $height;
if ($neww > $newh) {
if ($newh === false) {
$newh = $ir * $neww;
}
} else {
if ($neww === false) {
$neww = $ir * $newh;
}
}
}
if (is_null($cx) && is_null($cy)) {
// scale crop to max of image
// set crop scale factor
$cf = 1;
if ($cw) {
$cf = min($cf, $cw / $neww);
}
if ($ch) {
$cf = min($cf, $ch / $newh);
}
// set the image area of the crop (use the most image possible, rule of thirds positioning)
if (!$cw || $w / $cw * $ch > $h) {
$cw = round($h / $ch * $cw * $cf);
$ch = round($h * $cf);
$cx = round(($w - $cw) / 3);
} else {
$ch = round($w / $cw * $ch * $cf);
$cw = round($w * $cf);
$cy = round(($h - $ch) / 3);
}
} else {
// custom crop
if (!$cw || $cw > $w) {
$cw = $w;
}
if (!$ch || $ch > $h) {
$ch = $h;
}
}
// force the crop to be within the image
if ($cw + $cx > $w) {
$cx = $w - $cw;
}
if ($cx < 0) {
$cw = $cw + $cx;
$cx = 0;
}
if ($ch + $cy > $h) {
$cy = $h - $ch;
}
if ($cy < 0) {
$ch = $ch + $cy;
$cy = 0;
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:crop " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$cw={$cw}, \$ch={$ch}, \$cx={$cx}, \$cy={$cy}, \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}");
}
$newim = zp_createImage($neww, $newh);
if (!zp_resampleImage($newim, $im, 0, 0, $cx, $cy, $neww, $newh, $cw, $ch)) {
imageError('404 Not Found', sprintf(gettext('Image %s not renderable (resample).'), filesystemToInternal($imgfile)), 'err-failimage.png');
}
} else {
if ($newh >= $h && $neww >= $w && !$rotate && !$effects && !$watermark_image && (!$upscale || $newh == $h && $neww == $w)) {
// we can just use the original!
if (SYMLINK && @symlink($imgfile, $newfile)) {
if (DEBUG_IMAGE) {
debugLog("cacheImage:symlink original " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$dim={$dim}, \$neww={$neww}; \$newh={$newh}; \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}; \$allowscale={$allowscale};");
}
clearstatcache();
return true;
} else {
if (@copy($imgfile, $newfile)) {
if (DEBUG_IMAGE) {
debugLog("cacheImage:copy original " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$dim={$dim}, \$neww={$neww}; \$newh={$newh}; \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}; \$allowscale={$allowscale};");
}
clearstatcache();
return true;
}
}
}
if ($allowscale) {
$sizes = propSizes($size, $width, $height, $w, $h, $thumb, $image_use_side, $dim);
list($neww, $newh) = $sizes;
}
if (DEBUG_IMAGE) {
debugLog("cacheImage:no crop " . basename($imgfile) . ":\$size={$size}, \$width={$width}, \$height={$height}, \$dim={$dim}, \$neww={$neww}; \$newh={$newh}; \$quality={$quality}, \$thumb={$thumb}, \$crop={$crop}, \$rotate={$rotate}; \$allowscale={$allowscale};");
}
$newim = zp_createImage($neww, $newh);
if (!zp_resampleImage($newim, $im, 0, 0, 0, 0, $neww, $newh, $w, $h)) {
imageError('404 Not Found', sprintf(gettext('Image %s not renderable (resample).'), filesystemToInternal($imgfile)), 'err-failimage.png');
}
if ($thumb && $sharpenthumbs || !$thumb && $sharpenimages) {
if (!zp_imageUnsharpMask($newim, getOption('sharpen_amount'), getOption('sharpen_radius'), getOption('sharpen_threshold'))) {
imageError('404 Not Found', sprintf(gettext('Image %s not renderable (unsharp).'), filesystemToInternal($imgfile)), 'err-failimage.png');
}
}
}
$imgEffects = explode(',', $effects);
if (in_array('gray', $imgEffects)) {
zp_imageGray($newim);
}
if ($watermark_image) {
$offset_h = getOption('watermark_h_offset') / 100;
$offset_w = getOption('watermark_w_offset') / 100;
$percent = getOption('watermark_scale') / 100;
$watermark = zp_imageGet($watermark_image);
if (!$watermark) {
imageError('404 Not Found', sprintf(gettext('Watermark %s not renderable.'), $watermark_image), 'err-failimage.png');
}
$watermark_width = zp_imageWidth($watermark);
$watermark_height = zp_imageHeight($watermark);
$imw = zp_imageWidth($newim);
$imh = zp_imageHeight($newim);
$nw = sqrt($imw * $imh * $percent * ($watermark_width / $watermark_height));
$nh = $nw * ($watermark_height / $watermark_width);
$r = sqrt($imw * $imh * $percent / ($watermark_width * $watermark_height));
if (!getOption('watermark_allow_upscale')) {
$r = min(1, $r);
}
$nw = round($watermark_width * $r);
$nh = round($watermark_height * $r);
if ($nw != $watermark_width || $nh != $watermark_height) {
$watermark = zp_imageResizeAlpha($watermark, $nw, $nh);
if (!$watermark) {
imageError('404 Not Found', sprintf(gettext('Watermark %s not resizeable.'), $watermark_image), 'err-failimage.png');
}
}
// Position Overlay in Bottom Right
$dest_x = max(0, floor(($imw - $nw) * $offset_w));
$dest_y = max(0, floor(($imh - $nh) * $offset_h));
if (DEBUG_IMAGE) {
debugLog("Watermark:" . basename($imgfile) . ": \$offset_h={$offset_h}, \$offset_w={$offset_w}, \$watermark_height={$watermark_height}, \$watermark_width={$watermark_width}, \$imw={$imw}, \$imh={$imh}, \$percent={$percent}, \$r={$r}, \$nw={$nw}, \$nh={$nh}, \$dest_x={$dest_x}, \$dest_y={$dest_y}");
}
if (!zp_copyCanvas($newim, $watermark, $dest_x, $dest_y, 0, 0, $nw, $nh)) {
imageError('404 Not Found', sprintf(gettext('Image %s not renderable (copycanvas).'), filesystemToInternal($imgfile)), 'err-failimage.png');
}
zp_imageKill($watermark);
}
// Create the cached file (with lots of compatibility)...
@chmod($newfile, 0777);
if (zp_imageOutput($newim, getSuffix($newfile), $newfile, $quality)) {
// successful save of cached image
if (getOption('ImbedIPTC') && getSuffix($newfilename) == 'jpg' && GRAPHICS_LIBRARY != 'Imagick') {
// the imbed function works only with JPEG images
global $_zp_images_classes;
// because we are doing the require in a function!
require_once dirname(__FILE__) . '/functions.php';
// it is ok to increase memory footprint now since the image processing is complete
$iptc = array('1#090' => chr(0x1b) . chr(0x25) . chr(0x47), '2#115' => $_zp_gallery->getTitle());
$iptc_data = zp_imageIPTC($imgfile);
if ($iptc_data) {
$iptc_data = iptcparse($iptc_data);
if ($iptc_data) {
$iptc = array_merge($iptc_data, $iptc);
}
}
$imgfile = str_replace(ALBUM_FOLDER_SERVERPATH, '', $imgfile);
$imagename = basename($imgfile);
$albumname = dirname($imgfile);
$image = newImage(newAlbum($albumname), $imagename);
$copyright = $image->getCopyright();
if (empty($copyright)) {
$copyright = getOption('default_copyright');
}
if (!empty($copyright)) {
$iptc['2#116'] = $copyright;
}
$credit = $image->getCredit();
if (!empty($credit)) {
$iptc['2#110'] = $credit;
}
$iptc_result = '';
foreach ($iptc as $tag => $string) {
$tag_parts = explode('#', $tag);
if (is_array($string)) {
foreach ($string as $element) {
$iptc_result .= iptc_make_tag($tag_parts[0], $tag_parts[1], $element);
}
} else {
$iptc_result .= iptc_make_tag($tag_parts[0], $tag_parts[1], $string);
}
}
$content = iptcembed($iptc_result, $newfile);
$fw = fopen($newfile, 'w');
fwrite($fw, $content);
fclose($fw);
clearstatcache();
}
@chmod($newfile, FILE_MOD);
if (DEBUG_IMAGE) {
debugLog('Finished:' . basename($imgfile));
}
} else {
if (DEBUG_IMAGE) {
debugLog('cacheImage: failed to create ' . $newfile);
}
imageError('404 Not Found', sprintf(gettext('cacheImage: failed to create %s'), $newfile), 'err-failimage.png');
}
@chmod($newfile, FILE_MOD);
zp_imageKill($newim);
zp_imageKill($im);
} catch (Exception $e) {
debugLog('cacheImage(' . $newfilename . ') exception: ' . $e->getMessage());
imageError('404 Not Found', sprintf(gettext('cacheImage(%1$s) exception: %2$s'), $newfilename, $e->getMessage()), 'err-failimage.png');
return false;
}
clearstatcache();
return true;
}
$source2 = '/' . substr($imgfile, $i + 2, $j - $i - 2);
$imgfile = substr($imgfile, $j + 2);
} else {
$source2 = '';
}
if ($source != ZENFOLDER) {
$source = THEMEFOLDER . '/' . $source;
}
// disable these two lines and enable the one following to allow sizing of default images.
header("Location: " . FULLWEBPATH . '/' . pathurlencode(FilesystemToUTF8($source . $source2)) . "/" . rawurlencode(filesystemToUTF8($imgfile)));
exit;
// $imgfile = SERVERPATH .'/'. $source.$source2 . "/" . $imgfile;
}
if (!file_exists($imgfile)) {
header("HTTP/1.0 404 Not Found");
imageError(gettext("Image not found; file does not exist."), 'err-imagenotfound.gif');
}
}
// Make the directories for the albums in the cache, recursively.
// Skip this for safe_mode, where we can't write to directories we create!
if (!ini_get("safe_mode")) {
$albumdirs = getAlbumArray($album, true);
foreach ($albumdirs as $dir) {
$dir = UTF8ToFilesystem($dir);
$dir = SERVERCACHE . '/' . $dir;
if (!is_dir($dir)) {
@mkdir($dir, CHMOD_VALUE);
chmod($dir, CHMOD_VALUE);
} else {
if (!is_writable($dir)) {
chmod($dir, CHMOD_VALUE);
}
}
}
$process = true;
// If the file exists, check its modification time and update as needed.
$fmt = filemtime($imgfile);
if (file_exists($newfile) & !$adminrequest) {
if (filemtime($newfile) >= filemtime($imgfile)) {
$process = false;
}
}
if ($process) {
// If the file hasn't been cached yet, create it.
// setup standard image options from the album theme if it exists
if (!cacheImage_protected($newfilename, $imgfile, $args, $allowWatermark, $theme, $album)) {
imageError(gettext('Image processing resulted in a fatal error.'));
}
$fmt = filemtime($newfile);
}
$protocol = FULLWEBPATH;
$path = $protocol . '/' . CACHEFOLDER . pathurlencode(imgSrcURI($newfilename));
if (!$debug) {
// ... and redirect the browser to it.
header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $fmt) . ' GMT');
$suffix = getSuffix($newfilename);
switch ($suffix) {
case 'bmp':
$suffix = 'wbmp';
break;
case 'jpg':
$suffix = 'jpeg';
