/**
* Called by ***MaxSpace functions to compute the parameters to be passed to xxCustomyyy functions.
*
* @param int $width maxspace width
* @param int $height maxspace height
* @param object $image the image in question
* @param bool $thumb true if for a thumbnail
*/
function getMaxSpaceContainer(&$width, &$height, $image, $thumb = false)
{
global $_zp_gallery;
$upscale = getOption('image_allow_upscale');
$imagename = $image->filename;
if (!isImagePhoto($image) & $thumb) {
$imgfile = $image->getThumbImageFile();
$image = zp_imageGet($imgfile);
$s_width = zp_imageWidth($image);
$s_height = zp_imageHeight($image);
} else {
$s_width = $image->get('width');
if ($s_width == 0) {
$s_width = max($width, $height);
}
$s_height = $image->get('height');
if ($s_height == 0) {
$s_height = max($width, $height);
}
}
$newW = round($height / $s_height * $s_width);
$newH = round($width / $s_width * $s_height);
if (DEBUG_IMAGE) {
debugLog("getMaxSpaceContainer({$width}, {$height}, {$imagename}, {$thumb}): \$s_width={$s_width}; \$s_height={$s_height}; \$newW={$newW}; \$newH={$newH}; \$upscale={$upscale};");
}
if ($newW > $width) {
if ($upscale || $s_height > $newH) {
$height = $newH;
} else {
$height = $s_height;
$width = $s_width;
}
} else {
if ($upscale || $s_width > $newW) {
$width = $newW;
} else {
$height = $s_height;
$width = $s_width;
}
}
}
} else {
// have to create the image
$iMutex = new zpMutex('i', getOption('imageProcessorConcurrency'));
$iMutex->lock();
$newim = zp_imageGet($image_path);
if ($rotate) {
$newim = zp_rotateImage($newim, $rotate);
}
if ($watermark_use_image) {
$watermark_image = getWatermarkPath($watermark_use_image);
if (!file_exists($watermark_image)) {
$watermark_image = SERVERPATH . '/' . ZENFOLDER . '/images/imageDefault.png';
}
$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);
$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
/**
* Copy a theme directory to create a new custom theme
*
* @param $source source directory
* @param $target target directory
* @return bool|string either true or an error message
* @author Ozh
* @since 1.3
*/
function copyThemeDirectory($source, $target, $newname)
{
global $_zp_current_admin_obj;
$message = true;
$source = SERVERPATH . '/themes/' . internalToFilesystem($source);
$target = SERVERPATH . '/themes/' . internalToFilesystem($target);
// If the target theme already exists, nothing to do.
if (is_dir($target)) {
return gettext('Cannot create new theme.') . ' ' . sprintf(gettext('Directory “%s” already exists!'), basename($target));
}
// If source dir is missing, exit too
if (!is_dir($source)) {
return gettext('Cannot create new theme.') . ' ' . sprintf(gettext('Cannot find theme directory “%s” to copy!'), basename($source));
}
// We must be able to write to the themes dir.
if (!is_writable(dirname($target))) {
return gettext('Cannot create new theme.') . ' ' . gettext('The <tt>/themes</tt> directory is not writable!');
}
// We must be able to create the directory
if (!mkdir($target, FOLDER_MOD)) {
return gettext('Cannot create new theme.') . ' ' . gettext('Could not create directory for the new theme');
}
@chmod($target, FOLDER_MOD);
// Get a list of files to copy: get all files from the directory, remove those containing '/.svn/'
$source_files = array_filter(listDirectoryFiles($source), create_function('$str', 'return strpos($str, "/.svn/") === false;'));
// Determine nested (sub)directories structure to create: go through each file, explode path on "/"
// and collect every unique directory
$dirs_to_create = array();
foreach ($source_files as $path) {
$path = explode('/', dirname(str_replace($source . '/', '', $path)));
$dirs = '';
foreach ($path as $subdir) {
if ($subdir == '.svn' or $subdir == '.') {
continue 2;
}
$dirs = "{$dirs}/{$subdir}";
$dirs_to_create[$dirs] = $dirs;
}
}
// Create new directory structure
foreach ($dirs_to_create as $dir) {
mkdir("{$target}/{$dir}", FOLDER_MOD);
@chmod("{$target}/{$dir}", FOLDER_MOD);
}
// Now copy every file
foreach ($source_files as $file) {
$newfile = str_replace($source, $target, $file);
if (!copy("{$file}", "{$newfile}")) {
return sprintf(gettext("An error occurred while copying files. Please delete manually the new theme directory “%s” and retry or copy files manually."), basename($target));
}
@chmod("{$newfile}", FOLDER_MOD);
}
// Rewrite the theme header.
if (file_exists($target . '/theme_description.php')) {
$theme_description = array();
require $target . '/theme_description.php';
$theme_description['desc'] = sprintf(gettext('Your theme, based on theme %s'), $theme_description['name']);
} else {
$theme_description['desc'] = gettext('Your theme');
}
$theme_description['name'] = $newname;
$theme_description['author'] = $_zp_current_admin_obj->getUser();
$theme_description['version'] = '1.0';
$theme_description['date'] = date('Y-m-d H:m:s', time());
$description = sprintf('<' . '?php
// Theme definition file
$theme_description["name"] = "%s";
$theme_description["author"] = "%s";
$theme_description["version"] = "%s";
$theme_description["date"] = "%s";
$theme_description["desc"] = "%s";
?' . '>', html_encode($theme_description['name']), html_encode($theme_description['author']), html_encode($theme_description['version']), html_encode($theme_description['date']), html_encode($theme_description['desc']));
$f = fopen($target . '/theme_description.php', 'w');
if ($f !== FALSE) {
@fwrite($f, $description);
fclose($f);
$message = gettext('New custom theme created successfully!');
} else {
$message = gettext('New custom theme created, but its description could not be updated');
}
// Make a slightly custom theme image
if (file_exists("{$target}/theme.png")) {
$themeimage = "{$target}/theme.png";
} else {
if (file_exists("{$target}/theme.gif")) {
$themeimage = "{$target}/theme.gif";
} else {
if (file_exists("{$target}/theme.jpg")) {
$themeimage = "{$target}/theme.jpg";
} else {
$themeimage = false;
}
}
}
if ($themeimage) {
if ($im = zp_imageGet($themeimage)) {
$x = zp_imageWidth($im) / 2 - 45;
$y = zp_imageHeight($im) / 2 - 10;
$text = "CUSTOM COPY";
$font = zp_imageLoadFont();
$ink = zp_colorAllocate($im, 0xff, 0xff, 0xff);
// create a blueish overlay
$overlay = zp_createImage(zp_imageWidth($im), zp_imageHeight($im));
$back = zp_colorAllocate($overlay, 0x60, 0x60, 0x90);
zp_imageFill($overlay, 0, 0, $back);
// Merge theme image and overlay
zp_imageMerge($im, $overlay, 0, 0, 0, 0, zp_imageWidth($im), zp_imageHeight($im), 45);
// Add text
zp_writeString($im, $font, $x - 1, $y - 1, $text, $ink);
zp_writeString($im, $font, $x + 1, $y + 1, $text, $ink);
zp_writeString($im, $font, $x, $y, $text, $ink);
// Save new theme image
zp_imageOutput($im, 'png', $themeimage);
}
}
return $message;
}
if (!$album->isMyItem(ALBUM_RIGHTS)) {
// prevent nefarious access to this page.
if (!zp_apply_filter('admin_managed_albums_access', false, $return)) {
header('Location: ' . FULLWEBPATH . '/' . ZENFOLDER . '/admin.php?from=' . $return);
exitZP();
}
}
// get what image side is being used for resizing
$use_side = getOption('image_use_side');
// get full width and height
$albumobj = newAlbum($albumname);
$imageobj = newImage($albumobj, $imagename);
if (isImagePhoto($imageobj)) {
$imgpath = $imageobj->localpath;
$imagepart = basename($imgpath);
$timg = zp_imageGet($imgpath);
$width = $imageobj->getWidth();
$height = $imageobj->getHeight();
} else {
die(gettext('attempt to crop an object which is not an image.'));
}
// get appropriate $sizedwidth and $sizedheight
switch ($use_side) {
case 'longest':
$size = min(400, $width, $height);
if ($width >= $height) {
$sr = $size / $width;
$sizedwidth = $size;
$sizedheight = round($height / $width * $size);
} else {
$sr = $size / $height;
/**
* 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);
}
}
}
$font = zp_imageLoadFont($fontname, getOption('zenphoto_captcha_font_size'));
$pallet = array(array('R' => 16, 'G' => 110, 'B' => 3), array('R' => 132, 'G' => 4, 'B' => 16), array('R' => 103, 'G' => 3, 'B' => 143), array('R' => 143, 'G' => 32, 'B' => 3), array('R' => 143, 'G' => 38, 'B' => 48), array('R' => 0, 'G' => 155, 'B' => 18));
$fw = zp_imageFontWidth($font);
$w = $fw * $len + 2;
$h = $fh = zp_imagefontheight($font);
$kerning = min(4, floor($fw / 2) - 1);
$leading = $fh - 4;
$ink = $lead = $kern = array();
for ($i = 0; $i < $len; $i++) {
$lead[$i] = rand(2, $leading);
$h = max($h, $fh + $lead[$i] + 2);
$kern[$i] = rand(2, $kerning);
$w = $w + $kern[$i];
$p[$i] = $pallet[rand(0, 5)];
}
$image = zp_createImage($w, $h);
$background = zp_imageGet(SERVERPATH . '/' . ZENFOLDER . '/images/captcha_background.png');
zp_copyCanvas($image, $background, 0, 0, rand(0, 9), rand(0, 9), $w, $h);
$l = rand(2, $kerning);
for ($i = 0; $i < $len; $i++) {
$ink = zp_colorAllocate($image, $p[$i]['R'], $p[$i]['G'], $p[$i]['B']);
zp_writeString($image, $font, $l, $lead[$i], $string[$i], $ink);
$l = $l + $fw + $kern[$i];
}
$rectangle = zp_colorAllocate($image, 48, 57, 85);
zp_drawRectangle($image, 0, 0, $w - 1, $h - 1, $rectangle);
zp_imageOutput($image, 'png', NULL);
?>
/**
* 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;
}