mirrors
/
nextcloud
mirror of https://github.com/nextcloud/server.git
Watch 1
Star 0
Fork 0
Code Issues 0 Releases 994 Wiki Activity
Browse Source

move code to better places

tags/v5.0.0alpha1
Jörn Friedrich Dreyer 11 years ago
parent
bb56581192
commit
28671d92c0
2 changed files with 146 additions and 141 deletions
Split View Show Diff Stats
  1. 10
    0
      lib/helper.php
  2. 136
    141
      lib/image.php

+ 10
- 0
lib/helper.php View File

@@ -712,4 +712,14 @@ class OC_Helper {

return false;
}

public static function ellipsis($str, $maxlen) {
if (strlen($str) > $maxlen) {
$characters = floor($maxlen / 2);
return substr($str, 0, $characters) . '...' . substr($str, -1 * $characters);
}
return $str;
}
}

+ 136
- 141
lib/image.php View File

@@ -20,148 +20,8 @@
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
if ( ! function_exists( 'imagebmp') ) {
/**
* Output a BMP image to either the browser or a file
* @link http://www.ugia.cn/wp-data/imagebmp.php
* @author legend <legendsky@hotmail.com>
* @link http://www.programmierer-forum.de/imagebmp-gute-funktion-gefunden-t143716.htm
* @author mgutt <marc@gutt.it>
* @version 1.00
* @param resource $image
* @param string $filename [optional] <p>The path to save the file to.</p>
* @param int $bit [optional] <p>Bit depth, (default is 24).</p>
* @param int $compression [optional]
* @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
*/
function imagebmp($im, $filename='', $bit=24, $compression=0) {
if (!in_array($bit, array(1, 4, 8, 16, 24, 32))) {
$bit = 24;
}
else if ($bit == 32) {
$bit = 24;
}
$bits = pow(2, $bit);
imagetruecolortopalette($im, true, $bits);
$width = imagesx($im);
$height = imagesy($im);
$colors_num = imagecolorstotal($im);
$rgb_quad = '';
if ($bit <= 8) {
for ($i = 0; $i < $colors_num; $i++) {
$colors = imagecolorsforindex($im, $i);
$rgb_quad .= chr($colors['blue']) . chr($colors['green']) . chr($colors['red']) . "\0";
}
$bmp_data = '';
if ($compression == 0 || $bit < 8) {
$compression = 0;
$extra = '';
$padding = 4 - ceil($width / (8 / $bit)) % 4;
if ($padding % 4 != 0) {
$extra = str_repeat("\0", $padding);
}
for ($j = $height - 1; $j >= 0; $j --) {
$i = 0;
while ($i < $width) {
$bin = 0;
$limit = $width - $i < 8 / $bit ? (8 / $bit - $width + $i) * $bit : 0;
for ($k = 8 - $bit; $k >= $limit; $k -= $bit) {
$index = imagecolorat($im, $i, $j);
$bin |= $index << $k;
$i++;
}
$bmp_data .= chr($bin);
}
$bmp_data .= $extra;
}
}
// RLE8
else if ($compression == 1 && $bit == 8) {
for ($j = $height - 1; $j >= 0; $j--) {
$last_index = "\0";
$same_num = 0;
for ($i = 0; $i <= $width; $i++) {
$index = imagecolorat($im, $i, $j);
if ($index !== $last_index || $same_num > 255) {
if ($same_num != 0) {
$bmp_data .= chr($same_num) . chr($last_index);
}
$last_index = $index;
$same_num = 1;
}
else {
$same_num++;
}
}
$bmp_data .= "\0\0";
}
$bmp_data .= "\0\1";
}
$size_quad = strlen($rgb_quad);
$size_data = strlen($bmp_data);
}
else {
$extra = '';
$padding = 4 - ($width * ($bit / 8)) % 4;
if ($padding % 4 != 0) {
$extra = str_repeat("\0", $padding);
}
$bmp_data = '';
for ($j = $height - 1; $j >= 0; $j--) {
for ($i = 0; $i < $width; $i++) {
$index = imagecolorat($im, $i, $j);
$colors = imagecolorsforindex($im, $index);
if ($bit == 16) {
$bin = 0 << $bit;
$bin |= ($colors['red'] >> 3) << 10;
$bin |= ($colors['green'] >> 3) << 5;
$bin |= $colors['blue'] >> 3;
$bmp_data .= pack("v", $bin);
}
else {
$bmp_data .= pack("c*", $colors['blue'], $colors['green'], $colors['red']);
}
}
$bmp_data .= $extra;
}
$size_quad = 0;
$size_data = strlen($bmp_data);
$colors_num = 0;
}
$file_header = 'BM' . pack('V3', 54 + $size_quad + $size_data, 0, 54 + $size_quad);
$info_header = pack('V3v2V*', 0x28, $width, $height, 1, $bit, $compression, $size_data, 0, 0, $colors_num, 0);
if ($filename != '') {
$fp = fopen($filename, 'wb');
fwrite($fp, $file_header . $info_header . $rgb_quad . $bmp_data);
fclose($fp);
return true;
}
echo $file_header . $info_header. $rgb_quad . $bmp_data;
return true;
}
}

//From user comments at http://dk2.php.net/manual/en/function.exif-imagetype.php
if ( ! function_exists( 'exif_imagetype' ) ) {
function exif_imagetype ( $filename ) {
if ( ( $info = getimagesize( $filename ) ) !== false ) {
return $info[2];
}
return false;
}
}

function ellipsis($str, $maxlen) {
if (strlen($str) > $maxlen) {
$characters = floor($maxlen / 2);
return substr($str, 0, $characters) . '...' . substr($str, -1 * $characters);
}
return $str;
}

/**
* Class for basic image manipulation
*
*/
class OC_Image {
protected $resource = false; // tmp resource.
@@ -525,7 +385,7 @@ class OC_Image {
public function loadFromFile($imagepath=false) {
if(!is_file($imagepath) || !file_exists($imagepath) || !is_readable($imagepath)) {
// Debug output disabled because this method is tried before loadFromBase64?
OC_Log::write('core', 'OC_Image->loadFromFile, couldn\'t load: '.ellipsis($imagepath, 50), OC_Log::DEBUG);
OC_Log::write('core', 'OC_Image->loadFromFile, couldn\'t load: '.$imagepath, OC_Log::DEBUG);
return false;
}
$itype = exif_imagetype($imagepath);
@@ -951,3 +811,138 @@ class OC_Image {
$this->destroy();
}
}
if ( ! function_exists( 'imagebmp') ) {
/**
* Output a BMP image to either the browser or a file
* @link http://www.ugia.cn/wp-data/imagebmp.php
* @author legend <legendsky@hotmail.com>
* @link http://www.programmierer-forum.de/imagebmp-gute-funktion-gefunden-t143716.htm
* @author mgutt <marc@gutt.it>
* @version 1.00
* @param resource $image
* @param string $filename [optional] <p>The path to save the file to.</p>
* @param int $bit [optional] <p>Bit depth, (default is 24).</p>
* @param int $compression [optional]
* @return bool <b>TRUE</b> on success or <b>FALSE</b> on failure.
*/
function imagebmp($im, $filename='', $bit=24, $compression=0) {
if (!in_array($bit, array(1, 4, 8, 16, 24, 32))) {
$bit = 24;
}
else if ($bit == 32) {
$bit = 24;
}
$bits = pow(2, $bit);
imagetruecolortopalette($im, true, $bits);
$width = imagesx($im);
$height = imagesy($im);
$colors_num = imagecolorstotal($im);
$rgb_quad = '';
if ($bit <= 8) {
for ($i = 0; $i < $colors_num; $i++) {
$colors = imagecolorsforindex($im, $i);
$rgb_quad .= chr($colors['blue']) . chr($colors['green']) . chr($colors['red']) . "\0";
}
$bmp_data = '';
if ($compression == 0 || $bit < 8) {
$compression = 0;
$extra = '';
$padding = 4 - ceil($width / (8 / $bit)) % 4;
if ($padding % 4 != 0) {
$extra = str_repeat("\0", $padding);
}
for ($j = $height - 1; $j >= 0; $j --) {
$i = 0;
while ($i < $width) {
$bin = 0;
$limit = $width - $i < 8 / $bit ? (8 / $bit - $width + $i) * $bit : 0;
for ($k = 8 - $bit; $k >= $limit; $k -= $bit) {
$index = imagecolorat($im, $i, $j);
$bin |= $index << $k;
$i++;
}
$bmp_data .= chr($bin);
}
$bmp_data .= $extra;
}
}
// RLE8
else if ($compression == 1 && $bit == 8) {
for ($j = $height - 1; $j >= 0; $j--) {
$last_index = "\0";
$same_num = 0;
for ($i = 0; $i <= $width; $i++) {
$index = imagecolorat($im, $i, $j);
if ($index !== $last_index || $same_num > 255) {
if ($same_num != 0) {
$bmp_data .= chr($same_num) . chr($last_index);
}
$last_index = $index;
$same_num = 1;
}
else {
$same_num++;
}
}
$bmp_data .= "\0\0";
}
$bmp_data .= "\0\1";
}
$size_quad = strlen($rgb_quad);
$size_data = strlen($bmp_data);
}
else {
$extra = '';
$padding = 4 - ($width * ($bit / 8)) % 4;
if ($padding % 4 != 0) {
$extra = str_repeat("\0", $padding);
}
$bmp_data = '';
for ($j = $height - 1; $j >= 0; $j--) {
for ($i = 0; $i < $width; $i++) {
$index = imagecolorat($im, $i, $j);
$colors = imagecolorsforindex($im, $index);
if ($bit == 16) {
$bin = 0 << $bit;
$bin |= ($colors['red'] >> 3) << 10;
$bin |= ($colors['green'] >> 3) << 5;
$bin |= $colors['blue'] >> 3;
$bmp_data .= pack("v", $bin);
}
else {
$bmp_data .= pack("c*", $colors['blue'], $colors['green'], $colors['red']);
}
}
$bmp_data .= $extra;
}
$size_quad = 0;
$size_data = strlen($bmp_data);
$colors_num = 0;
}
$file_header = 'BM' . pack('V3', 54 + $size_quad + $size_data, 0, 54 + $size_quad);
$info_header = pack('V3v2V*', 0x28, $width, $height, 1, $bit, $compression, $size_data, 0, 0, $colors_num, 0);
if ($filename != '') {
$fp = fopen($filename, 'wb');
fwrite($fp, $file_header . $info_header . $rgb_quad . $bmp_data);
fclose($fp);
return true;
}
echo $file_header . $info_header. $rgb_quad . $bmp_data;
return true;
}
}

if ( ! function_exists( 'exif_imagetype' ) ) {
/**
* Workaround if exif_imagetype does not exist
* @link http://www.php.net/manual/en/function.exif-imagetype.php#80383
* @param string $filename
* @return string|boolean
*/
function exif_imagetype ( $filename ) {
if ( ( $info = getimagesize( $filename ) ) !== false ) {
return $info[2];
}
return false;
}
}

Write Preview
Loading…
Cancel
Save