Exemple #1
0
            $imh = zp_imageHeight($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
            $dest_x = max(0, floor(($imw - $nw) * $offset_w));
            $dest_y = max(0, floor(($imh - $nh) * $offset_h));
            zp_copyCanvas($newim, $watermark, $dest_x, $dest_y, 0, 0, $nw, $nh);
            zp_imageKill($watermark);
        }
        $iMutex->unlock();
        if (!zp_imageOutput($newim, $suffix, $cache_path, $quality) && DEBUG_IMAGE) {
            debugLog('full-image failed to create:' . $image);
        }
    }
}
if (!is_null($cache_path)) {
    if ($disposal == 'Download' || !OPEN_IMAGE_CACHE) {
        require_once dirname(__FILE__) . '/lib-MimeTypes.php';
        $mimetype = getMimeString($suffix);
        $fp = fopen($cache_path, 'rb');
        // send the right headers
        header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
        header("Content-Type: {$mimetype}");
/**
 * 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);
    }
}
Exemple #3
0
 $newim = zp_createImage($cw, $ch);
 zp_resampleImage($newim, $timg, 0, 0, $cx, $cy, $cw, $ch, $cw, $ch, getSuffix($imagename));
 @chmod($imgpath, 0777);
 @unlink($imgpath);
 if (zp_imageOutput($newim, getSuffix($imgpath), $imgpath, $quality)) {
     if (DEBUG_IMAGE) {
         debugLog('image_crop Finished:' . basename($imgpath));
     }
 } else {
     if (DEBUG_IMAGE) {
         debugLog('image_crop: failed to create ' . $imgpath);
     }
 }
 @chmod($imgpath, FILE_MOD);
 zp_imageKill($newim);
 zp_imageKill($timg);
 Gallery::clearCache(SERVERCACHE . '/' . $albumname);
 // update the image data
 $imageobj->set('EXIFOrientation', 0);
 $imageobj->updateDimensions();
 $imageobj->set('thumbX', NULL);
 $imageobj->set('thumbY', NULL);
 $imageobj->set('thumbW', NULL);
 $imageobj->set('thumbH', NULL);
 $imageobj->save();
 if ($_REQUEST['performcrop'] == 'backend') {
     $return = FULLWEBPATH . '/' . ZENFOLDER . '/admin-edit.php?page=edit&album=' . pathurlencode($albumname) . '&saved&subpage=' . sanitize($_REQUEST['subpage']) . '&tagsort=' . sanitize($_REQUEST['tagsort']) . '&tab=imageinfo';
 } else {
     $return = FULLWEBPATH . $imageobj->getLink();
 }
 header('Location: ' . $return);
/**
 * 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;
}