function wppa_use_thumb_file($id, $width = '0', $height = '0')
{
if (!wppa_switch('use_thumbs_if_fit')) {
return false;
}
if ($width <= 1.0 && $height <= 1.0) {
return false;
}
// should give at least one dimension and not when fractional
$file = wppa_get_thumb_path($id);
if (file_exists($file)) {
$size = wppa_get_imagexy($id, 'thumb');
} else {
return false;
}
if (!is_array($size)) {
return false;
}
if ($width > 0 && $size[0] < $width) {
return false;
}
if ($height > 0 && $size[1] < $height) {
return false;
}
return true;
}
function wppa_get_imgstyle_a($id, $file, $xmax_size, $xvalign = '', $type = '')
{
global $wppa;
$result = array('style' => '', 'width' => '', 'height' => '', 'cursor' => '', 'margin-top' => '', 'margin-bottom' => '');
// Init
wppa_cache_thumb($id);
if (!$id) {
return $result;
}
// no image: no dimensions
if ($file == '') {
return $result;
}
// no image: no dimensions
if (wppa_has_audio($id)) {
$file = wppa_fix_poster_ext($file, $id);
}
if (!wppa_is_video($id) && !is_file($file)) {
wppa_dbg_msg('Please check file ' . $file . ' it is missing while expected. Id=' . $id, 'red');
return $result;
// no file: no dimensions ( 2.3.0 )
}
if (strpos($file, '/wppa/thumbs/')) {
$image_attr = wppa_get_imagexy($id, 'thumb');
} else {
$image_attr = wppa_get_imagexy($id, 'photo');
}
// if ( wppa_is_video( $id ) ) {
// $image_attr = array( '0' => wppa_get_videox( $id ), '1' => wppa_get_videoy( $id ) );
// }
// else {
// $image_attr = array( '0' => wppa_get_photox( $id ), '1' => wppa_get_photoy( $id ) );
// }
if (!$image_attr || !isset($image_attr['0']) || !$image_attr['0'] || !isset($image_attr['1']) || !$image_attr['1']) {
// File is corrupt
wppa_dbg_msg('Please check file ' . $file . ' it is corrupted. If it is a thumbnail image,' . ' regenerate them using Table VIII-A4 of the Photo Albums -> Settings admin page.', 'red');
return $result;
}
// Adjust for 'border'
if ($type == 'fullsize' && !$wppa['in_widget']) {
switch (wppa_opt('wppa_fullimage_border_width')) {
case '':
$max_size = $xmax_size;
break;
case '0':
$max_size = $xmax_size - '2';
break;
default:
$max_size = $xmax_size - '2' - 2 * wppa_opt('wppa_fullimage_border_width');
}
} else {
$max_size = $xmax_size;
}
$ratioref = wppa_opt('wppa_maxheight') / wppa_opt('wppa_fullsize');
$max_height = round($max_size * $ratioref);
if ($type == 'fullsize') {
if ($wppa['portrait_only']) {
$width = $max_size;
$height = round($width * $image_attr[1] / $image_attr[0]);
} else {
if (wppa_is_wider($image_attr[0], $image_attr[1])) {
$width = $max_size;
$height = round($width * $image_attr[1] / $image_attr[0]);
} else {
$height = round($ratioref * $max_size);
$width = round($height * $image_attr[0] / $image_attr[1]);
}
if ($image_attr[0] < $width && $image_attr[1] < $height) {
if (!$wppa['enlarge']) {
$width = $image_attr[0];
$height = $image_attr[1];
}
}
}
} else {
if ($type == 'cover' && wppa_switch('wppa_coversize_is_height') && (wppa_opt('wppa_coverphoto_pos') == 'top' || wppa_opt('wppa_coverphoto_pos') == 'bottom')) {
$height = $max_size;
$width = round($max_size * $image_attr[0] / $image_attr[1]);
} else {
if (wppa_is_landscape($image_attr)) {
$width = $max_size;
$height = round($max_size * $image_attr[1] / $image_attr[0]);
} else {
$height = $max_size;
$width = round($max_size * $image_attr[0] / $image_attr[1]);
}
}
}
switch ($type) {
case 'cover':
if (wppa_opt('wppa_bcolor_img') != '') {
// There is a border color given
$result['style'] .= ' border: 1px solid ' . wppa_opt('wppa_bcolor_img') . ';';
} else {
// No border color: no border
$result['style'] .= ' border-width: 0px;';
}
$result['style'] .= ' width:' . $width . 'px; height:' . $height . 'px;';
if (wppa_switch('wppa_use_cover_opacity') && !is_feed()) {
$opac = wppa_opt('wppa_cover_opacity');
$result['style'] .= ' opacity:' . $opac / 100 . '; filter:alpha( opacity=' . $opac . ' );';
}
if (wppa_opt('wppa_coverimg_linktype') == 'lightbox') {
$result['cursor'] = ' cursor:url( ' . wppa_get_imgdir() . wppa_opt('wppa_magnifier') . ' ),pointer;';
}
break;
case 'thumb':
// Normal
// Normal
case 'ttthumb':
// Topten
// Topten
case 'comthumb':
// Comment widget
// Comment widget
case 'fthumb':
// Filmthumb
// Filmthumb
case 'twthumb':
// Thumbnail widget
// Thumbnail widget
case 'ltthumb':
// Lasten widget
// Lasten widget
case 'albthumb':
// Album widget
if ($type == 'thumb' && wppa_get_get('hilite') == $id) {
$result['style'] .= ' border:2px solid blue;box-sizing:border-box;';
} else {
$result['style'] .= ' border-width: 0px;';
}
$result['style'] .= ' width:' . $width . 'px; height:' . $height . 'px;';
if ($xvalign == 'optional') {
$valign = wppa_opt('wppa_valign');
} else {
$valign = $xvalign;
}
if ($valign != 'default') {
// Center horizontally
$delta = floor(($max_size - $width) / 2);
if (is_numeric($valign)) {
$delta += $valign;
}
if ($delta < '0') {
$delta = '0';
}
if ($delta > '0') {
$result['style'] .= ' margin-left:' . $delta . 'px; margin-right:' . $delta . 'px;';
}
}
switch ($valign) {
case 'top':
$delta = $max_size - $height;
if ($delta < '0') {
$delta = '0';
}
$result['style'] .= ' margin-bottom: ' . $delta . 'px;';
$result['margin-bottom'] = $delta;
break;
case 'center':
$delta = round(($max_size - $height) / 2);
if ($delta < '0') {
$delta = '0';
}
$result['style'] .= ' margin-top: ' . $delta . 'px; margin-bottom: ' . $delta . 'px;';
$result['margin-top'] = $delta;
$result['margin-bottom'] = $delta;
break;
case 'bottom':
$delta = $max_size - $height;
if ($delta < '0') {
$delta = '0';
}
$result['style'] .= ' margin-top: ' . $delta . 'px;';
$result['margin-top'] = $delta;
break;
default:
if (is_numeric($valign)) {
$delta = $valign;
$result['style'] .= ' margin-top: ' . $delta . 'px;';
$result['style'] .= ' margin-bottom: ' . $delta . 'px;';
$result['margin-top'] = $delta;
$result['margin-bottom'] = $delta;
}
}
if (wppa_switch('wppa_use_thumb_opacity') && !is_feed()) {
$opac = wppa_opt('wppa_thumb_opacity');
$result['style'] .= ' opacity:' . $opac / 100 . '; filter:alpha( opacity=' . $opac . ' );';
}
// Cursor
$linktyp = '';
switch ($type) {
case 'thumb':
// Normal
$linktyp = wppa_opt('wppa_thumb_linktype');
break;
case 'ttthumb':
// Topten v
$linktyp = wppa_opt('wppa_topten_widget_linktype');
break;
case 'comthumb':
// Comment widget v
$linktyp = wppa_opt('wppa_comment_widget_linktype');
break;
case 'fthumb':
// Filmthumb
$linktyp = wppa_opt('wppa_film_linktype');
break;
case 'twthumb':
// Thumbnail widget v
$linktyp = wppa_opt('wppa_thumbnail_widget_linktype');
break;
case 'ltthumb':
// Lasten widget v
$linktyp = wppa_opt('wppa_lasten_widget_linktype');
break;
case 'albthumb':
// Album widget
$linktyp = wppa_opt('wppa_album_widget_linktype');
}
if ($linktyp == 'none') {
$result['cursor'] = ' cursor:default;';
} elseif ($linktyp == 'lightbox') {
$result['cursor'] = ' cursor:url(' . wppa_get_imgdir() . wppa_opt('wppa_magnifier') . '),pointer;';
} else {
$result['cursor'] = ' cursor:pointer;';
}
break;
case 'fullsize':
if ($wppa['auto_colwidth']) {
// These sizes fit within the rectangle define by Table I-B1,2
// times 2 for responsive themes,
// and are supplied for ver 4 browsers as they have undefined natural sizes.
$result['style'] .= ' max-width:' . $width * 2 . 'px;';
$result['style'] .= ' max-height:' . $height * 2 . 'px;';
} else {
// These sizes fit within the rectangle define by Table I-B1,2
// and are supplied for ver 4 browsers as they have undefined natural sizes.
$result['style'] .= ' max-width:' . $width . 'px;';
$result['style'] .= ' max-height:' . $height . 'px;';
$result['style'] .= ' width:' . $width . 'px;';
$result['style'] .= ' height:' . $height . 'px;';
}
if ($wppa['is_slideonly'] == '1') {
if ($wppa['ss_widget_valign'] != '') {
$valign = $wppa['ss_widget_valign'];
} else {
$valign = 'fit';
}
} elseif ($xvalign == 'optional') {
$valign = wppa_opt('wppa_fullvalign');
} else {
$valign = $xvalign;
}
// Margin
if ($valign != 'default') {
$m_left = '0';
$m_right = '0';
$m_top = '0';
$m_bottom = '0';
// Center horizontally
$delta = round(($max_size - $width) / 2);
if ($delta < '0') {
$delta = '0';
}
if ($wppa['auto_colwidth']) {
$m_left = 'auto';
$m_right = 'auto';
} else {
$m_left = $delta;
$m_right = '0';
}
// Position vertically
if ($wppa['in_widget'] == 'ss' && $wppa['in_widget_frame_height'] > '0') {
$max_height = $wppa['in_widget_frame_height'];
}
$delta = '0';
if (!$wppa['auto_colwidth'] && !wppa_page('oneofone')) {
switch ($valign) {
case 'top':
case 'fit':
$delta = '0';
break;
case 'center':
$delta = round(($max_height - $height) / 2);
if ($delta < '0') {
$delta = '0';
}
break;
case 'bottom':
$delta = $max_height - $height;
if ($delta < '0') {
$delta = '0';
}
break;
}
}
$m_top = $delta;
$result['style'] .= wppa_combine_style('margin', $m_top, $m_left, $m_right, $m_bottom);
}
// Border and padding
if (!$wppa['in_widget']) {
switch (wppa_opt('wppa_fullimage_border_width')) {
case '':
break;
case '0':
$result['style'] .= ' border: 1px solid ' . wppa_opt('wppa_bcolor_fullimg') . ';';
break;
default:
$result['style'] .= ' border: 1px solid ' . wppa_opt('wppa_bcolor_fullimg') . ';';
$result['style'] .= ' background-color:' . wppa_opt('wppa_bgcolor_fullimg') . ';';
$result['style'] .= ' padding:' . wppa_opt('wppa_fullimage_border_width') . 'px;';
// If we do round corners...
if (wppa_opt('wppa_bradius') > '0') {
// then also here
$result['style'] .= ' border-radius:' . wppa_opt('wppa_fullimage_border_width') . 'px;';
}
}
}
break;
default:
$wppa['out'] .= 'Error wrong "$type" argument: ' . $type . ' in wppa_get_imgstyle_a';
}
$result['width'] = $width;
$result['height'] = $height;
return $result;
}
function wppa_create_textual_watermark_file($args)
{
// See what we have
$args = wp_parse_args((array) $args, array('content' => '---preview---', 'pos' => 'cencen', 'id' => '', 'font' => wppa_opt('wppa_textual_watermark_font'), 'text' => '', 'style' => wppa_opt('wppa_textual_watermark_type'), 'filebasename' => 'dummy', 'url' => false, 'width' => '', 'height' => '', 'transp' => '0'));
// We may have been called from wppa_get_water_file_and_pos() just to find the settings
// In this case there is no id given.
$id = $args['id'];
if (!$id && $args['content'] != '---preview---') {
return false;
}
if ($id && wppa_is_video($id)) {
// return false;
}
// Set special values in case of preview
if ($args['content'] == '---preview---') {
$preview = true;
$fontsize = $args['font'] == 'system' ? 5 : 12;
$padding = 6;
$linespacing = ceil($fontsize * 2 / 3);
} else {
$preview = false;
$fontsize = wppa_opt('wppa_textual_watermark_size');
if ($args['font'] == 'system') {
$fontsize = min($fontsize, 5);
}
$padding = 12;
$linespacing = ceil($fontsize * 2 / 3);
}
// Set font specific vars
$fontfile = $args['font'] == 'system' ? '' : WPPA_UPLOAD_PATH . '/fonts/' . $args['font'] . '.ttf';
// Output file
if ($preview) {
$filename = WPPA_UPLOAD_PATH . '/fonts/wmf' . $args['filebasename'] . '.png';
} else {
$filename = WPPA_UPLOAD_PATH . '/temp/wmf' . $args['filebasename'] . '.png';
}
// Preprocess the text
if (!$args['text']) {
switch ($args['content']) {
case '---preview---':
$text = strtoupper(substr($args['font'], 0, 1)) . strtolower(substr($args['font'], 1));
break;
case '---filename---':
$text = wppa_get_photo_item($id, 'filename');
break;
case '---name---':
$text = wppa_get_photo_name($id);
break;
case '---description---':
$text = strip_tags(wppa_strip_tags(wppa_get_photo_desc($id), 'style&script'));
break;
case '---predef---':
$text = wppa_opt('wppa_textual_watermark_text');
if ($args['font'] != 'system') {
$text = str_replace('( c )', '©', $text);
$text = str_replace('( R )', '®', $text);
}
$text = html_entity_decode($text);
$text = str_replace('w#site', get_bloginfo('url'), $text);
$text = str_replace('w#owner', wppa_get_photo_item($id, 'owner'), $text);
$text = str_replace('w#id', $id, $text);
$text = str_replace('w#name', wppa_get_photo_name($id), $text);
$text = str_replace('w#filename', wppa_get_photo_item($id, 'filename'), $text);
$text = str_replace('w#timestamp', wppa_local_date(get_option('date_format', "F j, Y,") . ' ' . get_option('time_format', "g:i a"), wppa_get_photo_item($id, 'timestamp')), $text);
$text = trim($text);
break;
default:
wppa_log('Error', 'Unimplemented arg ' . $arg . ' in wppa_create_textual_watermark_file()');
return false;
}
} else {
$text = $args['text'];
}
// Any text anyway?
if (!strlen($text)) {
wppa_log('Error', 'No text for textual watermark. photo=' . $id);
return false;
// No text -> no watermark
}
// Split text on linebreaks
$text = str_replace("\n", '\\n', $text);
$lines = explode('\\n', $text);
// Trim and remove empty lines
$temp = $lines;
$lines = array();
foreach ($temp as $line) {
$line = trim($line);
if ($line) {
$lines[] = $line;
}
}
// Find image width
if ($args['width']) {
$image_width = $args['width'];
} else {
$image_width = '';
}
if ($args['height']) {
$image_height = $args['height'];
} else {
$image_height = '';
}
if ($preview) {
if (!$image_width) {
$image_width = 2000;
}
if (!$image_height) {
$image_height = 1000;
}
} else {
// $temp = getimagesize( wppa_get_photo_path( $id ) );
$temp = wppa_get_imagexy($id);
if (!is_array($temp)) {
wppa_log('Error', 'Trying to apply a watermark on a non image file. Id = ' . $id);
return false;
// not an image
}
if (!$image_width) {
$image_width = $temp[0];
}
if (!$image_height) {
$image_height = $temp[1];
}
}
$width_fits = false;
while (!$width_fits) {
// Find pixel linelengths
foreach (array_keys($lines) as $key) {
$lines[$key] = trim($lines[$key]);
if ($args['font'] == 'system') {
$lengths[$key] = strlen($lines[$key]) * imagefontwidth($fontsize);
} else {
$temp = imagettfbbox($fontsize, 0.0, $fontfile, $lines[$key]);
$lengths[$key] = $temp[2] - $temp[0];
}
}
$maxlen = wppa_array_max($lengths);
// Find canvas size
$nlines = count($lines);
if ($args['font'] == 'system') {
$lineheight = imagefontheight($fontsize);
} else {
$temp = imagettfbbox($fontsize, 0.0, $fontfile, $lines[0]);
$lineheight = $temp[3] - $temp[7];
}
$canvas_width = wppa_array_max($lengths) + 4 * $padding;
$canvas_height = ($lineheight + $linespacing) * count($lines) + 2 * $padding;
// Does it fit?
if ($canvas_width > $image_width) {
// Break the longest line into two sublines. There should be a space in the right half, if not: fail
$i = 0;
$l = 0;
foreach (array_keys($lines) as $key) {
if (strlen($lines[$key]) > $l) {
$i = $key;
$l = strlen($lines[$key]);
}
}
$temp = $lines;
$lines = array();
$j = 0;
while ($j < $i) {
$lines[$j] = $temp[$j];
$j++;
}
//
$j = $i;
$llen = strlen($temp[$i]);
$spos = floor($llen / 2);
while ($spos < $llen && substr($temp[$i], $spos, 1) != ' ') {
$spos++;
}
if ($spos == $llen) {
// Unable to find a space, give up
wppa_log('Error', 'Trying to apply a watermark that is too wide for the image. Id = ' . $id);
return false;
// too wide
}
$lines[$j] = substr($temp[$i], 0, $spos);
$lines[$j + 1] = trim(str_replace($lines[$j], '', $temp[$i]));
$i++;
//
$j = $i + 1;
while ($j <= count($temp)) {
$lines[$j] = $temp[$i];
$j++;
}
} else {
$width_fits = true;
}
if ($canvas_height > $image_height) {
wppa_log('Error', 'Trying to apply a watermark that is too high for the image. Id = ' . $id);
return false;
// not an image
}
}
// Create canvas
$canvas = imagecreatetruecolor($canvas_width, $canvas_height);
$bgcolor = imagecolorallocatealpha($canvas, 0, 0, 0, 127);
// Transparent
$white = imagecolorallocatealpha($canvas, 255, 255, 255, $args['transp']);
$black = imagecolorallocatealpha($canvas, 0, 0, 0, $args['transp']);
imagefill($canvas, 0, 0, $bgcolor);
// imagerectangle( $canvas, 0, 0, $canvas_width-1, $canvas_height-1, $white ); // debug
// Define the text colors
switch ($args['style']) {
case 'tvstyle':
case 'whiteonblack':
$fg = $white;
$bg = $black;
break;
case 'utopia':
case 'blackonwhite':
$fg = $black;
$bg = $white;
break;
case 'white':
$fg = $white;
$bg = $bgcolor;
break;
case 'black':
$fg = $black;
$bg = $bgcolor;
break;
}
// Plot the text
foreach (array_keys($lines) as $lineno) {
if (strpos($args['pos'], 'lft') !== false) {
$indent = 0;
} elseif (strpos($args['pos'], 'rht') !== false) {
$indent = $maxlen - $lengths[$lineno];
} else {
$indent = floor(($maxlen - $lengths[$lineno]) / 2);
}
switch ($args['style']) {
case 'tvstyle':
case 'utopia':
for ($i = -1; $i <= 1; $i++) {
for ($j = -1; $j <= 1; $j++) {
if ($args['font'] == 'system') {
imagestring($canvas, $fontsize, 2 * $padding + $i + $indent, $padding + $lineno * ($lineheight + $linespacing) + $j, $lines[$lineno], $bg);
} else {
imagettftext($canvas, $fontsize, 0, 2 * $padding + $i + $indent, $padding + ($lineno + 1) * $lineheight + $lineno * $linespacing + $j, $bg, $fontfile, $lines[$lineno]);
}
}
}
if ($args['font'] == 'system') {
imagestring($canvas, $fontsize, 2 * $padding + $indent, $padding + $lineno * ($lineheight + $linespacing), $lines[$lineno], $fg);
} else {
imagettftext($canvas, $fontsize, 0, 2 * $padding + $indent, $padding + ($lineno + 1) * $lineheight + $lineno * $linespacing, $fg, $fontfile, $lines[$lineno]);
}
break;
case 'blackonwhite':
case 'whiteonblack':
case 'white':
case 'black':
$lft = $padding + $indent;
$rht = 3 * $padding + $indent + $lengths[$lineno];
$top = $lineno * ($lineheight + $linespacing) + $padding;
$bot = ($lineno + 1) * ($lineheight + $linespacing) + $padding;
imagefilledrectangle($canvas, $lft, $top + 1, $rht, $bot, $bg);
// imagerectangle( $canvas, $lft, $top, $rht, $bot, $fg ); // debug
$top = $padding + $lineno * ($lineheight + $linespacing) + floor($linespacing / 2);
$lft = 2 * $padding + $indent;
$bot = $padding + ($lineno + 1) * ($lineheight + $linespacing) - ceil($linespacing / 2);
if ($args['font'] == 'system') {
imagestring($canvas, $fontsize, $lft, $top, $lines[$lineno], $fg);
} else {
imagettftext($canvas, $fontsize, 0, $lft, $bot - 1, $fg, $fontfile, $lines[$lineno]);
}
break;
}
}
imagesavealpha($canvas, true);
imagepng($canvas, $filename);
imagedestroy($canvas);
if ($preview || $args['url']) {
$url = str_replace(WPPA_UPLOAD_PATH, WPPA_UPLOAD_URL, $filename);
return $url;
} else {
return $filename;
}
}
