function sfpg_image($image_dir, $image_file, $func, $download = FALSE)
{
$image_path_file = DATA_ROOT . $func . '/' . $image_dir . $image_file;
$image_type = sfpg_image_type($image_file);
if ($func == 'image') {
if (!file_exists($image_path_file)) {
$image_path_file = GALLERY_ROOT . $image_dir . $image_file;
}
if ($download) {
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="' . $image_file . '"');
} else {
header('Content-Type: image/' . $image_type);
header('Content-Disposition: filename="' . $image_file . '"');
}
readfile($image_path_file);
exit;
}
if ($func == 'thumb' or $func == 'preview') {
if (file_exists($image_path_file)) {
header('Content-Type: image/' . $image_type);
header('Content-Disposition: filename="' . $func . '_' . $image_file . '"');
readfile($image_path_file);
exit;
} else {
if ($func == 'thumb') {
$max_width = THUMB_MAX_WIDTH;
$max_height = THUMB_MAX_HEIGHT;
$enlarge = THUMB_ENLARGE;
$jpeg_quality = THUMB_JPEG_QUALITY;
$source_img = GALLERY_ROOT . $image_dir . $image_file;
} else {
$max_width = PREVIEW_MAX_WIDTH;
$max_height = PREVIEW_MAX_HEIGHT;
$enlarge = PREVIEW_ENLARGE;
$jpeg_quality = PREVIEW_JPEG_QUALITY;
$source_img = DATA_ROOT . 'image/' . $image_dir . $image_file;
if (!file_exists($source_img)) {
$source_img = GALLERY_ROOT . $image_dir . $image_file;
}
}
$image_changed = FALSE;
if ((MPO_FULL_IMAGE or MPO_STEREO_IMAGE) and sfpg_ext($image_file) == '.mpo' and $func != 'preview') {
if (!($image = sfpg_mpo_image($source_img))) {
exit;
}
$image_changed = TRUE;
} elseif (!($image = imagecreatefromstring(file_get_contents($source_img)))) {
exit;
}
if ($func == 'thumb' and $image_dir != ICONS_DIR) {
sfpg_mkdir(DATA_ROOT . 'info/' . $image_dir);
$exif_info = '||||||';
if (function_exists('exif_read_data')) {
if (SHOW_EXIF_INFO) {
$exif_data = exif_read_data(GALLERY_ROOT . $image_dir . $image_file, 'IFD0');
if ($exif_data !== FALSE) {
$exif_info = '';
if (isset($exif_data['DateTimeOriginal'])) {
$exif_time = explode(':', str_replace(' ', ':', $exif_data['DateTimeOriginal']));
$exif_info .= date(DATE_FORMAT, mktime($exif_time[3], $exif_time[4], $exif_time[5], $exif_time[1], $exif_time[2], $exif_time[0]));
} else {
$exif_info .= 'n/a';
}
$exif_info .= '|';
$exif_info .= (isset($exif_data['Model']) ? $exif_data['Model'] : 'n/a') . '|';
$exif_info .= (isset($exif_data['ISOSpeedRatings']) ? $exif_data['ISOSpeedRatings'] : 'n/a') . '|';
if (isset($exif_data['ExposureTime'])) {
$exif_ExposureTime = create_function('', 'return ' . $exif_data['ExposureTime'] . ';');
$exp_time = $exif_ExposureTime();
if ($exp_time > 0.25) {
$exif_info .= $exp_time;
} else {
$exif_info .= $exif_data['ExposureTime'];
}
$exif_info .= 's';
} else {
$exif_info .= 'n/a';
}
$exif_info .= '|';
if (isset($exif_data['FNumber'])) {
$exif_FNumber = create_function('', 'return number_format(round(' . $exif_data['FNumber'] . ',1),1);');
$exif_info .= 'f' . $exif_FNumber();
} else {
$exif_info .= 'n/a';
}
$exif_info .= '|';
if (isset($exif_data['FocalLength'])) {
$exif_FocalLength = create_function('', 'return number_format(round(' . $exif_data['FocalLength'] . ',1),1);');
$exif_info .= $exif_FocalLength() . 'mm';
} else {
$exif_info .= 'n/a';
}
$exif_info .= '|';
if (isset($exif_data['Flash'])) {
$exif_info .= $exif_data['Flash'] & 1 ? TEXT_YES : TEXT_NO;
} else {
$exif_info .= 'n/a';
}
} else {
$exif_info = 'sfpg_no_exif_data_in_file||||||';
}
}
if (ROTATE_IMAGES and isset($exif_data['Orientation'])) {
$image_width = imagesx($image);
$image_height = imagesy($image);
switch ($exif_data['Orientation']) {
case 2:
$rotate = @imagecreatetruecolor($image_width, $image_height);
if (LOW_IMAGE_RESAMPLE_QUALITY) {
imagecopyresized($rotate, $image, 0, 0, $image_width - 1, 0, $image_width, $image_height, -$image_width, $image_height);
} else {
imagecopyresampled($rotate, $image, 0, 0, $image_width - 1, 0, $image_width, $image_height, -$image_width, $image_height);
}
imagedestroy($image);
$image_changed = TRUE;
break;
case 3:
$rotate = imagerotate($image, 180, 0);
imagedestroy($image);
$image_changed = TRUE;
break;
case 4:
$rotate = @imagecreatetruecolor($image_width, $image_height);
if (LOW_IMAGE_RESAMPLE_QUALITY) {
imagecopyresized($rotate, $image, 0, 0, 0, $image_height - 1, $image_width, $image_height, $image_width, -$image_height);
} else {
imagecopyresampled($rotate, $image, 0, 0, 0, $image_height - 1, $image_width, $image_height, $image_width, -$image_height);
}
imagedestroy($image);
$image_changed = TRUE;
break;
case 5:
$rotate = imagerotate($image, 270, 0);
imagedestroy($image);
$image = $rotate;
$rotate = @imagecreatetruecolor($image_height, $image_width);
if (LOW_IMAGE_RESAMPLE_QUALITY) {
imagecopyresized($rotate, $image, 0, 0, 0, $image_width - 1, $image_height, $image_width, $image_height, -$image_width);
} else {
imagecopyresampled($rotate, $image, 0, 0, 0, $image_width - 1, $image_height, $image_width, $image_height, -$image_width);
}
$image_changed = TRUE;
break;
case 6:
$rotate = imagerotate($image, 270, 0);
imagedestroy($image);
$image_changed = TRUE;
break;
case 7:
$rotate = imagerotate($image, 90, 0);
imagedestroy($image);
$image = $rotate;
$rotate = @imagecreatetruecolor($image_height, $image_width);
if (LOW_IMAGE_RESAMPLE_QUALITY) {
imagecopyresized($rotate, $image, 0, 0, 0, $image_width - 1, $image_height, $image_width, $image_height, -$image_width);
} else {
imagecopyresampled($rotate, $image, 0, 0, 0, $image_width - 1, $image_height, $image_width, $image_height, -$image_width);
}
$image_changed = TRUE;
break;
case 8:
$rotate = imagerotate($image, 90, 0);
imagedestroy($image);
$image_changed = TRUE;
break;
default:
$rotate = $image;
}
$image = $rotate;
}
}
$iptc_info = '|||||||||||||||||';
if (SHOW_IPTC_INFO) {
$only_used_for_iptc = getimagesize(GALLERY_ROOT . $image_dir . $image_file, $info);
if (isset($info['APP13'])) {
$iptc_info = '';
$iptc = iptcparse($info['APP13']);
$iptc_info .= (isset($iptc['2#005']) ? $iptc['2#005'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#010']) ? $iptc['2#010'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#015']) ? $iptc['2#015'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#020']) ? $iptc['2#020'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#040']) ? $iptc['2#040'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#055']) ? $iptc['2#055'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#085']) ? $iptc['2#085'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#090']) ? $iptc['2#090'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#095']) ? $iptc['2#095'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#101']) ? $iptc['2#101'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#103']) ? $iptc['2#103'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#105']) ? $iptc['2#105'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#110']) ? $iptc['2#110'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#115']) ? $iptc['2#115'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#116']) ? $iptc['2#116'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#120']) ? $iptc['2#120'][0] : 'n/a') . '|';
$iptc_info .= (isset($iptc['2#122']) ? $iptc['2#122'][0] : 'n/a') . '|';
} else {
$iptc_info = 'sfpg_no_iptc_data_in_file|||||||||||||||||';
}
}
if (WATERMARK) {
$wm_file = GALLERY_ROOT . ICONS_DIR . WATERMARK;
if (file_exists($wm_file)) {
if ($watermark = imagecreatefromstring(file_get_contents($wm_file))) {
$image_width = imagesx($image);
$image_height = imagesy($image);
$ww = imagesx($watermark);
$wh = imagesy($watermark);
if (WATERMARK_FRACTION) {
if ($image_width < $image_height) {
$ww_new = round($image_width * WATERMARK_FRACTION);
} else {
$ww_new = round($image_height * WATERMARK_FRACTION);
}
$wh_new = round($wh * ($ww_new / $ww));
} else {
$ww_new = $ww;
$wh_new = $wh;
}
imagecopyresampled($image, $watermark, $image_width - $ww_new, $image_height - $wh_new, 0, 0, $ww_new, $wh_new, $ww, $wh);
imagedestroy($watermark);
$image_changed = TRUE;
}
}
}
if ($image_changed) {
sfpg_mkdir(DATA_ROOT . 'image/' . $image_dir);
$new_full_img = DATA_ROOT . 'image/' . $image_dir . $image_file;
if ($image_type == 'jpeg') {
imagejpeg($image, $new_full_img, IMAGE_JPEG_QUALITY);
} elseif ($image_type == 'png') {
imagepng($image, $new_full_img);
} elseif ($image_type == 'gif') {
imagegif($image, $new_full_img);
}
}
$fp = fopen(DATA_ROOT . 'info/' . $image_dir . $image_file, 'w');
fwrite($fp, date(DATE_FORMAT, filemtime(GALLERY_ROOT . $image_dir . $image_file)) . '|' . sfpg_file_size(filesize(GALLERY_ROOT . $image_dir . $image_file)) . '|' . imagesx($image) . '|' . imagesy($image) . '|' . $exif_info . '|' . $iptc_info);
fclose($fp);
}
list($new_img_width, $new_img_height) = sfpg_aspect_resize(imagesx($image), imagesy($image), $max_width, $max_height, $enlarge);
$new_image = imagecreatetruecolor($new_img_width, $new_img_height);
if (LOW_IMAGE_RESAMPLE_QUALITY) {
imagecopyresized($new_image, $image, 0, 0, 0, 0, $new_img_width, $new_img_height, imagesx($image), imagesy($image));
} else {
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_img_width, $new_img_height, imagesx($image), imagesy($image));
}
imagedestroy($image);
sfpg_mkdir(DATA_ROOT . $func . '/' . $image_dir);
header('Content-type: image/' . $image_type);
header('Content-Disposition: filename="' . $func . '_' . $image_file . '"');
if ($image_type == 'jpeg') {
imagejpeg($new_image, NULL, $jpeg_quality);
imagejpeg($new_image, $image_path_file, $jpeg_quality);
} elseif ($image_type == 'png') {
imagepng($new_image);
imagepng($new_image, $image_path_file);
} elseif ($image_type == 'gif') {
imagegif($new_image);
imagegif($new_image, $image_path_file);
}
imagedestroy($new_image);
}
}
}
function sfpg_image($image_dir, $image_file, $func, $download = FALSE)
{
$image_path_file = DATA_ROOT . $func . "/" . $image_dir . $image_file;
$image_type = sfpg_image_type($image_path_file);
if ($func == "image") {
if (!file_exists($image_path_file)) {
$image_path_file = GALLERY_ROOT . $image_dir . $image_file;
}
if ($download) {
header("Content-Type: application/octet-stream");
header("Content-Disposition: attachment; filename=\"" . $image_file . "\"");
} else {
header("Content-Type: image/" . $image_type);
header("Content-Disposition: filename=\"" . $image_file . "\"");
}
readfile($image_path_file);
exit;
}
if ($func == "thumb" or $func == "preview") {
if (file_exists($image_path_file)) {
header("Content-Type: image/" . $image_type);
header("Content-Disposition: filename=\"" . $func . "_" . $image_file . "\"");
readfile($image_path_file);
exit;
} else {
if ($func == "thumb") {
$max_width = THUMB_MAX_WIDTH;
$max_height = THUMB_MAX_HEIGHT;
$enlarge = THUMB_ENLARGE;
$jpeg_quality = THUMB_JPEG_QUALITY;
$source_img = GALLERY_ROOT . $image_dir . $image_file;
} else {
$max_width = PREVIEW_MAX_WIDTH;
$max_height = PREVIEW_MAX_HEIGHT;
$enlarge = PREVIEW_ENLARGE;
$jpeg_quality = PREVIEW_JPEG_QUALITY;
$source_img = DATA_ROOT . "image/" . $image_dir . $image_file;
if (!file_exists($source_img)) {
$source_img = GALLERY_ROOT . $image_dir . $image_file;
}
}
if (!($image = imagecreatefromstring(file_get_contents($source_img)))) {
exit;
}
if ($func == "thumb" and $image_dir != "_sfpg_icons/") {
$image_changed = FALSE;
if (!is_dir(DATA_ROOT . "info/" . $image_dir)) {
mkdir(DATA_ROOT . "info/" . $image_dir, 0777, TRUE);
}
$exif_info = "";
if (function_exists("read_exif_data")) {
if (SHOW_EXIF_INFO) {
$exif_data = exif_read_data(GALLERY_ROOT . $image_dir . $image_file, "IFD0");
if ($exif_data !== FALSE) {
$exif_info .= TEXT_EXIF_DATE . ": " . $exif_data["DateTimeOriginal"] . "<br>";
$exif_info .= TEXT_EXIF_CAMERA . ": " . $exif_data["Model"] . "<br>";
$exif_info .= TEXT_EXIF_ISO . ": ";
if (isset($exif_data["ISOSpeedRatings"])) {
$exif_info .= $exif_data["ISOSpeedRatings"];
} else {
$exif_info .= "n/a";
}
$exif_info .= "<br>";
$exif_info .= TEXT_EXIF_SHUTTER . ": ";
if (isset($exif_data["ExposureTime"])) {
$exif_ExposureTime = create_function('', 'return ' . $exif_data["ExposureTime"] . ';');
$exp_time = $exif_ExposureTime();
if ($exp_time > 0.25) {
$exif_info .= $exp_time;
} else {
$exif_info .= $exif_data["ExposureTime"];
}
$exif_info .= "s";
} else {
$exif_info .= "n/a";
}
$exif_info .= "<br>";
$exif_info .= TEXT_EXIF_APERTURE . ": ";
if (isset($exif_data["FNumber"])) {
$exif_FNumber = create_function('', 'return number_format(round(' . $exif_data["FNumber"] . ',1),1);');
$exif_info .= "f" . $exif_FNumber();
} else {
$exif_info .= "n/a";
}
$exif_info .= "<br>";
$exif_info .= TEXT_EXIF_FOCAL . ": ";
if (isset($exif_data["FocalLength"])) {
$exif_FocalLength = create_function('', 'return number_format(round(' . $exif_data["FocalLength"] . ',1),1);');
$exif_info .= $exif_FocalLength();
} else {
$exif_info .= "n/a";
}
$exif_info .= "mm<br>";
$exif_info .= TEXT_EXIF_FLASH . ": ";
if (isset($exif_data["Flash"])) {
$exif_info .= $exif_data["Flash"] & 1 ? TEXT_YES : TEXT_NO;
} else {
$exif_info .= "n/a";
}
$exif_info .= "<br>";
} else {
$exif_info .= TEXT_EXIF_MISSING . "<br>";
}
}
if (ROTATE_IMAGES and isset($exif_data["Orientation"])) {
$image_width = imagesx($image);
$image_height = imagesy($image);
switch ($exif_data["Orientation"]) {
case 2:
$rotate = @imagecreatetruecolor($image_width, $image_height);
imagecopyresampled($rotate, $image, 0, 0, $image_width - 1, 0, $image_width, $image_height, -$image_width, $image_height);
imagedestroy($image);
$image_changed = TRUE;
break;
case 3:
$rotate = imagerotate($image, 180, 0);
imagedestroy($image);
$image_changed = TRUE;
break;
case 4:
$rotate = @imagecreatetruecolor($image_width, $image_height);
imagecopyresampled($rotate, $image, 0, 0, 0, $image_height - 1, $image_width, $image_height, $image_width, -$image_height);
imagedestroy($image);
$image_changed = TRUE;
break;
case 5:
$rotate = imagerotate($image, 270, 0);
imagedestroy($image);
$image = $rotate;
$rotate = @imagecreatetruecolor($image_height, $image_width);
imagecopyresampled($rotate, $image, 0, 0, 0, $image_width - 1, $image_height, $image_width, $image_height, -$image_width);
$image_changed = TRUE;
break;
case 6:
$rotate = imagerotate($image, 270, 0);
imagedestroy($image);
$image_changed = TRUE;
break;
case 7:
$rotate = imagerotate($image, 90, 0);
imagedestroy($image);
$image = $rotate;
$rotate = @imagecreatetruecolor($image_height, $image_width);
imagecopyresampled($rotate, $image, 0, 0, 0, $image_width - 1, $image_height, $image_width, $image_height, -$image_width);
$image_changed = TRUE;
break;
case 8:
$rotate = imagerotate($image, 90, 0);
imagedestroy($image);
$image_changed = TRUE;
break;
default:
$rotate = $image;
}
$image = $rotate;
}
}
if (WATERMARK) {
$wm_file = GALLERY_ROOT . "_sfpg_icons/" . WATERMARK;
if (file_exists($wm_file)) {
if ($watermark = imagecreatefromstring(file_get_contents($wm_file))) {
$image_width = imagesx($image);
$image_height = imagesy($image);
$ww = imagesx($watermark);
$wh = imagesy($watermark);
imagecopy($image, $watermark, $image_width - $ww, $image_height - $wh, 0, 0, $ww, $wh);
imagedestroy($watermark);
$image_changed = TRUE;
}
}
}
if ($image_changed) {
if (!is_dir(DATA_ROOT . "image/" . $image_dir)) {
mkdir(DATA_ROOT . "image/" . $image_dir, 0777, TRUE);
}
$new_full_img = DATA_ROOT . "image/" . $image_dir . $image_file;
if ($image_type == "jpeg") {
imagejpeg($image, $new_full_img, IMAGE_JPEG_QUALITY);
} elseif ($image_type == "png") {
imagepng($image, $new_full_img);
} elseif ($image_type == "gif") {
imagegif($image, $new_full_img);
}
}
$fp = fopen(DATA_ROOT . "info/" . $image_dir . $image_file . ".sfpg", "w");
fwrite($fp, date(DATE_FORMAT, filemtime(GALLERY_ROOT . $image_dir . $image_file)) . "|" . sfpg_file_size(filesize(GALLERY_ROOT . $image_dir . $image_file)) . "|" . imagesx($image) . "|" . imagesy($image) . "|" . $exif_info);
fclose($fp);
}
$image_width = imagesx($image);
$image_height = imagesy($image);
if ($image_width < $max_width and $image_height < $max_height and !$enlarge) {
$new_img_height = $image_height;
$new_img_width = $image_width;
} else {
$aspect_x = $image_width / $max_width;
$aspect_y = $image_height / $max_height;
if ($aspect_x > $aspect_y) {
$new_img_width = $max_width;
$new_img_height = $image_height / $aspect_x;
} else {
$new_img_height = $max_height;
$new_img_width = $image_width / $aspect_y;
}
}
$new_image = imagecreatetruecolor($new_img_width, $new_img_height);
imagecopyresampled($new_image, $image, 0, 0, 0, 0, $new_img_width, $new_img_height, imagesx($image), imagesy($image));
imagedestroy($image);
if (!is_dir(DATA_ROOT . $func . "/" . $image_dir)) {
mkdir(DATA_ROOT . $func . "/" . $image_dir, 0777, TRUE);
}
header("Content-type: image/" . $image_type);
header("Content-Disposition: filename=\"" . $func . "_" . $image_file . "\"");
if ($image_type == "jpeg") {
imagejpeg($new_image, NULL, $jpeg_quality);
imagejpeg($new_image, $image_path_file, $jpeg_quality);
} elseif ($image_type == "png") {
imagepng($new_image);
imagepng($new_image, $image_path_file);
} elseif ($image_type == "gif") {
imagegif($new_image);
imagegif($new_image, $image_path_file);
}
imagedestroy($new_image);
}
}
}
