function image_createThumb($src, $dest, $maxWidth, $maxHeight, $quality = 75)
{
if (file_exists($src) && isset($dest)) {
// path info
$destInfo = pathInfo($dest);
// image src size
$srcSize = getImageSize($src);
// image dest size $destSize[0] = width, $destSize[1] = height
$srcRatio = $srcSize[0] / $srcSize[1];
// width/height ratio
$destRatio = $maxWidth / $maxHeight;
if ($destRatio > $srcRatio) {
$destSize[1] = $maxHeight;
$destSize[0] = $maxHeight * $srcRatio;
} else {
$destSize[0] = $maxWidth;
$destSize[1] = $maxWidth / $srcRatio;
}
// path rectification
if ($destInfo['extension'] == "gif") {
$dest = substr_replace($dest, 'jpg', -3);
}
// true color image, with anti-aliasing
$destImage = imageCreateTrueColor($destSize[0], $destSize[1]);
// imageAntiAlias($destImage,true);
// src image
switch ($srcSize[2]) {
case 1:
//GIF
$srcImage = imageCreateFromGif($src);
break;
case 2:
//JPEG
$srcImage = imageCreateFromJpeg($src);
break;
case 3:
//PNG
$srcImage = imageCreateFromPng($src);
break;
default:
return false;
break;
}
// resampling
imageCopyResampled($destImage, $srcImage, 0, 0, 0, 0, $destSize[0], $destSize[1], $srcSize[0], $srcSize[1]);
// generating image
switch ($srcSize[2]) {
case 1:
case 2:
imageJpeg($destImage, $dest, $quality);
break;
case 3:
imagePng($destImage, $dest);
break;
}
return true;
} else {
return 'No such File';
}
}
function resize_image_crop($src_image, $width, $height)
{
$src_width = imageSX($src_image);
$src_height = imageSY($src_image);
$width = $width <= 0 ? $src_width : $width;
$height = $height <= 0 ? $src_height : $height;
$prop_width = $src_width / $width;
$prop_height = $src_height / $height;
if ($prop_height > $prop_width) {
$crop_width = $src_width;
$crop_height = round($prop_width * $height);
$srcX = 0;
$srcY = round($src_height / 2) - round($crop_height / 2);
} else {
$crop_width = round($prop_height * $width);
$crop_height = $src_height;
$srcX = round($src_width / 2) - round($crop_width / 2);
$srcY = 0;
}
$new_image = imageCreateTrueColor($width, $height);
$tmp_image = imageCreateTrueColor($crop_width, $crop_height);
imageCopy($tmp_image, $src_image, 0, 0, $srcX, $srcY, $crop_width, $crop_height);
imageCopyResampled($new_image, $tmp_image, 0, 0, 0, 0, $width, $height, $crop_width, $crop_height);
imagedestroy($tmp_image);
image_unsharp_mask($new_image);
return $new_image;
}
function imageResize($file, $info, $destination)
{
$height = $info[1];
//высота
$width = $info[0];
//ширина
//определяем размеры будущего превью
$y = 150;
if ($width > $height) {
$x = $y * ($width / $height);
} else {
$x = $y / ($height / $width);
}
$to = imageCreateTrueColor($x, $y);
switch ($info['mime']) {
case 'image/jpeg':
$from = imageCreateFromJpeg($file);
break;
case 'image/png':
$from = imageCreateFromPng($file);
break;
case 'image/gif':
$from = imageCreateFromGif($file);
break;
default:
echo "No prevue";
break;
}
imageCopyResampled($to, $from, 0, 0, 0, 0, imageSX($to), imageSY($to), imageSX($from), imageSY($from));
imagepng($to, $destination);
imagedestroy($from);
imagedestroy($to);
}
function create_thumb($path, $thumb_path, $width = THUMB_WIDTH, $height = THUMB_HEIGHT)
{
$image_info = getImageSize($path);
// see EXIF for faster way
switch ($image_info['mime']) {
case 'image/gif':
if (imagetypes() & IMG_GIF) {
// not the same as IMAGETYPE
$o_im = @imageCreateFromGIF($path);
} else {
throw new Exception('GIF images are not supported');
}
break;
case 'image/jpeg':
if (imagetypes() & IMG_JPG) {
$o_im = @imageCreateFromJPEG($path);
} else {
throw new Exception('JPEG images are not supported');
}
break;
case 'image/png':
if (imagetypes() & IMG_PNG) {
$o_im = @imageCreateFromPNG($path);
} else {
throw new Exception('PNG images are not supported');
}
break;
case 'image/wbmp':
if (imagetypes() & IMG_WBMP) {
$o_im = @imageCreateFromWBMP($path);
} else {
throw new Exception('WBMP images are not supported');
}
break;
default:
throw new Exception($image_info['mime'] . ' images are not supported');
break;
}
list($o_wd, $o_ht, $html_dimension_string) = $image_info;
$ratio = $o_wd / $o_ht;
$t_ht = $width;
$t_wd = $height;
if (1 > $ratio) {
$t_wd = round($o_wd * $t_wd / $o_ht);
} else {
$t_ht = round($o_ht * $t_ht / $o_wd);
}
$t_wd = $t_wd < 1 ? 1 : $t_wd;
$t_ht = $t_ht < 1 ? 1 : $t_ht;
$t_im = imageCreateTrueColor($t_wd, $t_ht);
imageCopyResampled($t_im, $o_im, 0, 0, 0, 0, $t_wd, $t_ht, $o_wd, $o_ht);
imagejpeg($t_im, $thumb_path, 85);
chmod($thumb_path, 0664);
imageDestroy($o_im);
imageDestroy($t_im);
return array($t_wd, $t_ht);
}
function generate_thumbnail($file, $mime)
{
global $config;
gd_capabilities();
list($file_type, $exact_type) = explode("/", $mime);
if (_JB_GD_INSTALLED && ($file_type = "image")) {
if ($exact_type != "gif" && $exact_type != "png" && $exact_type != "jpeg") {
return false;
}
if ($exact_type == "gif" && !_JB_GD_GIF) {
return false;
}
if ($exact_type == "png" && !_JB_GD_PNG) {
return false;
}
if ($exact_type == "jpeg" && !_JB_GD_JPG) {
return false;
}
// Load up the original and get size
// NOTE: use imageCreateFromString to avoid to have to check what type of image it is
$original = imageCreateFromString(file_get_contents($file));
$original_w = imagesX($original);
$original_h = imagesY($original);
// Only if the image is really too big, resize it
// NOTE: if image is smaller than target size, don't do anything.
// We *could* copy the original to filename_thumb, but since it's the same
// it would be a waste of precious resources
if ($original_w > $config['uploader']['thumb_w'] || $original_h > $config['uploader']['thumb_h']) {
// If original is wider than it's high, resize the width and vice versa
// NOTE: '>=' cause otherwise it's possible that $scale isn't computed
if ($original_w >= $original_h) {
$scaled_w = $config['uploader']['thumb_w'];
// Figure out how much smaller that target is than original
// and apply it to height
$scale = $config['uploader']['thumb_w'] / $original_w;
$scaled_h = ceil($original_h * $scale);
} elseif ($original_w <= $original_h) {
$scaled_h = $config['uploader']['thumb_h'];
$scale = $config['uploader']['thumb_h'] / $original_h;
$scaled_w = ceil($original_w * $scale);
}
} else {
// Break out of if($file_type = image) since no resize is possible
return false;
}
// Scale the image
$scaled = imageCreateTrueColor($scaled_w, $scaled_h);
imageCopyResampled($scaled, $original, 0, 0, 0, 0, $scaled_w, $scaled_h, $original_w, $original_h);
// Store thumbs in jpeg, hope no one minds the 100% quality lol
imageJpeg($scaled, $file . "_thumb", 100);
// Let's be nice to our server
imagedestroy($scaled);
imagedestroy($original);
return true;
}
}
/**
* Draws the pie chart, with optional supersampled anti-aliasing.
* @param int $aa
*/
public function draw($aa = 4)
{
$this->canvas = imageCreateTrueColor($this->width, $this->height);
// Set anti-aliasing for the pie chart.
imageAntiAlias($this->canvas, true);
imageFilledRectangle($this->canvas, 0, 0, $this->width, $this->height, $this->_convertColor($this->backgroundColor));
$total = 0;
$sliceStart = -90;
// Start at 12 o'clock.
$titleHeight = $this->_drawTitle();
$legendWidth = $this->_drawLegend($titleHeight);
// Account for the space occupied by the legend and its padding.
$pieCentreX = ($this->width - $legendWidth) / 2;
// Account for the space occupied by the title.
$pieCentreY = $titleHeight + ($this->height - $titleHeight) / 2;
// 10% padding on the top and bottom of the pie.
$pieDiameter = round(min($this->width - $legendWidth, $this->height - $titleHeight) * 0.85);
foreach ($this->slices as $slice) {
$total += $slice['value'];
}
// If anti-aliasing is enabled, we supersample the pie to work around
// the fact that GD does not provide anti-aliasing natively.
if ($aa > 0) {
$ssDiameter = $pieDiameter * $aa;
$ssCentreX = $ssCentreY = $ssDiameter / 2;
$superSample = imageCreateTrueColor($ssDiameter, $ssDiameter);
imageFilledRectangle($superSample, 0, 0, $ssDiameter, $ssDiameter, $this->_convertColor($this->backgroundColor));
foreach ($this->slices as $slice) {
$sliceWidth = 360 * $slice['value'] / $total;
// Skip slices that are too small to draw / be visible.
if ($sliceWidth == 0) {
continue;
}
$sliceEnd = $sliceStart + $sliceWidth;
imageFilledArc($superSample, $ssCentreX, $ssCentreY, $ssDiameter, $ssDiameter, $sliceStart, $sliceEnd, $this->_convertColor($slice['color']), IMG_ARC_PIE);
// Move along to the next slice.
$sliceStart = $sliceEnd;
}
imageCopyResampled($this->canvas, $superSample, $pieCentreX - $pieDiameter / 2, $pieCentreY - $pieDiameter / 2, 0, 0, $pieDiameter, $pieDiameter, $ssDiameter, $ssDiameter);
imageDestroy($superSample);
} else {
// Draw the slices.
foreach ($this->slices as $slice) {
$sliceWidth = 360 * $slice['value'] / $total;
// Skip slices that are too small to draw / be visible.
if ($sliceWidth == 0) {
continue;
}
$sliceEnd = $sliceStart + $sliceWidth;
imageFilledArc($this->canvas, $pieCentreX, $pieCentreY, $pieDiameter, $pieDiameter, $sliceStart, $sliceEnd, $this->_convertColor($slice['color']), IMG_ARC_PIE);
// Move along to the next slice.
$sliceStart = $sliceEnd;
}
}
}
function Resize($maxwidth = 10000, $maxheight, $imagename, $filetype, $how = 'keep_aspect')
{
$target_temp_file = tempnam("jinn/temp", "gdlib_");
unlink($target_temp_file);
$target_temp_file .= '.' . $filetype;
if (!$maxheight) {
$maxheight = 10000;
}
if (!$maxwidth) {
$maxwidth = 10000;
}
$qual = 100;
$filename = $imagename;
$ext = $filetype;
list($curwidth, $curheight) = getimagesize($filename);
$factor = min($maxwidth / $curwidth, $maxheight / $curheight);
$sx = 0;
$sy = 0;
$sw = $curwidth;
$sh = $curheight;
$dx = 0;
$dy = 0;
$dw = $curwidth * $factor;
$dh = $curheight * $factor;
if ($ext == "JPEG") {
$src = ImageCreateFromJPEG($filename);
}
if ($ext == "GIF") {
$src = ImageCreateFromGIF($filename);
}
if ($ext == "PNG") {
$src = ImageCreateFromPNG($filename);
}
if (function_exists('ImageCreateTrueColor')) {
$dst = ImageCreateTrueColor($dw, $dh);
} else {
$dst = ImageCreate($dw, $dh);
}
if (function_exists('ImageCopyResampled')) {
imageCopyResampled($dst, $src, $dx, $dy, $sx, $sy, $dw, $dh, $sw, $sh);
} else {
imageCopyResized($dst, $src, $dx, $dy, $sx, $sy, $dw, $dh, $sw, $sh);
}
if ($ext == "JPEG") {
ImageJPEG($dst, $target_temp_file, $qual);
}
if ($ext == "PNG") {
ImagePNG($dst, $target_temp_file, $qual);
}
if ($ext == "GIF") {
ImagePNG($dst, $target_temp_file, $qual);
}
ImageDestroy($dst);
return $target_temp_file;
}
function image_create_thumb($img_file_path, $thumb_file_path, $width, $height)
{
if (($image = _image_load($img_file_path)) === false) {
return false;
}
$src_x = 0;
$src_y = 0;
$src_w = 0;
$src_h = 0;
$dst_w = 0;
$dst_h = 0;
_image_calculate_dimensions(imagesx($image), imagesy($image), $width, $height, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h);
//die('initial image width is ' . $original_width . ', requested width is ' . $width . ', new image width is ' . $new_img_width . ', src_x is ' . $src_x);
$thumb_image = imageCreateTrueColor($dst_w, $dst_h);
imageCopyResampled($thumb_image, $image, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
return _image_save($thumb_file_path, $thumb_image);
}
function resize($width = 400, $height = 400, $aspectradio = true)
{
$o_wd = imagesx($this->image);
$o_ht = imagesy($this->image);
if (isset($aspectradio) && $aspectradio) {
$w = round($o_wd * $height / $o_ht);
$h = round($o_ht * $width / $o_wd);
if ($height - $h < $width - $w) {
$width =& $w;
} else {
$height =& $h;
}
}
$this->temp = imageCreateTrueColor($width, $height);
imageCopyResampled($this->temp, $this->image, 0, 0, 0, 0, $width, $height, $o_wd, $o_ht);
$this->sync();
return;
}
function resizeImage($file, $max_x, $max_y, $forcePng = false)
{
if ($max_x <= 0 || $max_y <= 0) {
$max_x = 5;
$max_y = 5;
}
$src = BASEDIR . '/avatars/' . $file;
list($width, $height, $type) = getImageSize($src);
$scale = min($max_x / $width, $max_y / $height);
$newWidth = $width * $scale;
$newHeight = $height * $scale;
$img = imagecreatefromstring(file_get_contents($src));
$black = imagecolorallocate($img, 0, 0, 0);
$resizedImage = imageCreateTrueColor($newWidth, $newHeight);
imagecolortransparent($resizedImage, $black);
imageCopyResampled($resizedImage, $img, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);
imageDestroy($img);
unlink($src);
if (!$forcePng) {
switch ($type) {
case IMAGETYPE_JPEG:
imageJpeg($resizedImage, BASEDIR . '/avatars/' . $file);
break;
case IMAGETYPE_GIF:
imageGif($resizedImage, BASEDIR . '/avatars/' . $file);
break;
case IMAGETYPE_PNG:
imagePng($resizedImage, BASEDIR . '/avatars/' . $file);
break;
default:
imagePng($resizedImage, BASEDIR . '/avatars/' . $file);
break;
}
} else {
imagePng($resizedImage, BASEDIR . '/avatars/' . $file . '.png');
}
return;
}
/**
* Shows an image, possibly resized in the desired... size!
*
* Call it like: localhost/index.php?r=images/show&src=images/boats/3/boat.jpg&width=100
* If only one dimension is given, aspect ratio is maintained.
* If both dimensions are given, and are far from aspect ratio,
* the action tries to return a meaningful portion of the image.
*/
public function show($src = '', $width = '', $height = '')
{
// sometime in the future, we should cache the result of the resize to make it fast.
// we do not check for "is_file", because sometimes we are asked to resize remote images.
//if (!is_file($src))
// throw new CHttpException(404);
// if nothing given, simply redirect to the file.
if ($width == '' && $height == '' || $width == 0 && $height == 0) {
$this->_send_headers($src);
header('Location: ' . $src);
Yii::app()->end();
}
// we need to resize..
if (!($source_image = $this->_img_load($src))) {
throw new CHttpException(500);
}
$original_width = imagesx($source_image);
$original_height = imagesy($source_image);
$requested_width = $width;
$requested_height = $height;
$src_x = 0;
$src_y = 0;
$dst_x = 0;
$dst_y = 0;
$src_w = 0;
$src_h = 0;
$dst_w = 0;
$dst_h = 0;
$this->_calculate_dimensions($original_width, $original_height, $requested_width, $requested_height, $src_x, $src_y, $src_w, $src_h, $dst_w, $dst_h);
//die('initial image width is ' . $original_width . ', requested width is ' . $width . ', new image width is ' . $new_img_width . ', src_x is ' . $src_x);
$target_image = imageCreateTrueColor($dst_w, $dst_h);
imageCopyResampled($target_image, $source_image, 0, 0, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h);
// send it.
$this->_send_headers($src);
$this->_img_send($target_image, $src);
}
/**
* Copy an existing internal image resource, or part of it, to this Image instance
* @param resource existing internal image resource as source for the copy
* @param int x x-coordinate where the copy starts
* @param int y y-coordinate where the copy starts
* @param int resourceX starting x coordinate of the source image resource
* @param int resourceY starting y coordinate of the source image resource
* @param int width resulting width of the copy (not of the resulting image)
* @param int height resulting height of the copy (not of the resulting image)
* @param int resourceWidth width of the source image resource to copy
* @param int resourceHeight height of the source image resource to copy
* @return null
*/
protected function copyResource($resource, $x, $y, $resourceX, $resourceY, $width, $height, $resourceWidth, $resourceHeight)
{
if (!imageCopyResampled($this->resource, $resource, $x, $y, $resourceX, $resourceY, $width, $height, $resourceWidth, $resourceHeight)) {
if (!imageCopyResized($this->resource, $resource, $x, $y, $resourceX, $resourceY, $width, $height, $resourceWidth, $resourceHeight)) {
throw new ImageException('Could not copy the image resource');
}
}
$transparent = imageColorAllocate($this->resource, 0, 0, 0);
imageColorTransparent($this->resource, $transparent);
$this->width = $width;
$this->height = $height;
}
function thumb_img3($src, $width, $height, $save_file)
{
$get_size = getImageReSize2($width, $height, imagesx($src), imagesy($src));
//$thumb = ImageCreate($get_size[0],$get_size[1]);
$thumb = imagecreatetruecolor($get_size[0], $get_size[1]);
// ImageCopyResized($thumb,$src,0,0,0,0,$get_size[0],$get_size[1],ImageSX($src),ImageSY($src));
imageCopyResampled($thumb, $src, 0, 0, 0, 0, $get_size[0], $get_size[1], ImageSX($src), ImageSY($src));
ImageJPEG($thumb, $save_file);
ImageDestroy($thumb);
}
/**
* Resamples (convert/resize) an image file. You can specify a new width, height and type
* @param string $file Image path and file name
* @param int $w Width
* @param int $h Height
* @param string $type Supported image types: gif,png,jpg,bmp,xbmp,wbmp. Defaults to jpg
* @return boolean
*/
public static function imageResample($file, $w, $h, $type = null)
{
if (!function_exists('imagecreatefromstring')) {
Raxan::log('Function imagecreatefromstring does not exists - The GD image processing library is required.', 'warn', 'Raxan::imageResample');
return false;
}
$info = @getImageSize($file);
if ($info) {
// maintain aspect ratio
if ($h == 0) {
$h = $info[1] * ($w / $info[0]);
}
if ($w == 0) {
$w = $info[0] * ($h / $info[1]);
}
if ($w == 0 && $h == 0) {
$w = $info[0];
$h = $info[1];
}
// resize/resample image
$img = @imageCreateFromString(file_get_contents($file));
if (!$img) {
return false;
}
$newImg = function_exists('imagecreatetruecolor') ? imageCreateTrueColor($w, $h) : imageCreate($w, $h);
if (function_exists('imagecopyresampled')) {
imageCopyResampled($newImg, $img, 0, 0, 0, 0, $w, $h, $info[0], $info[1]);
} else {
imageCopyResized($newImg, $img, 0, 0, 0, 0, $w, $h, $info[0], $info[1]);
}
imagedestroy($img);
$type = !$type ? $info[2] : strtolower(trim($type));
if ($type == 1 || $type == 'gif') {
$f = 'imagegif';
} else {
if ($type == 3 || $type == 'png') {
$f = 'imagepng';
} else {
if ($type == 6 || $type == 16 || $type == 'bmp' || $type == 'xbmp') {
$f = 'imagexbm';
} else {
if ($type == 15 || $type == 'wbmp') {
$f = 'image2wbmp';
} else {
$f = 'imagejpeg';
}
}
}
}
if (function_exists($f)) {
$f($newImg, $file);
}
imagedestroy($newImg);
return true;
}
return false;
}
function resizePhoto($vstup, $vystup, $width, $height, $aspectratio, $quality)
{
/*
$vstup //cesta k původnímu obrázku
$vystup //cesta ke zmenšenému obrázku
$width //šířka zmenšeného obrázku
$height //délka zmenšeného obrázku
$aspectratio //zachovávat poměr stran (0/1)
$quality //komprese (100 - nejlepsi) - doporucuji 75
*/
if (file_exists($vstup)) {
//nejprve zjistíme, zda-li byl zadán vstup a existuje
$vstup = ImageCreateFromJPEG($vstup);
//načteme si obrázek do proměnné
} else {
echo "resizePhoto: Nebyl zadán vstup !";
return false;
}
$vstup_wd = imagesx($vstup);
//zjistíme šířku původního obrázku
$vstup_ht = imagesy($vstup);
//zjistíme délku původního obrázku
if ($vstup_wd <= $width && $vstup_ht <= $height) {
//pokud je obrázek menší než požadovaná velikost nebudeme počítat nové hodnoty
$width = $vstup_wd;
$height = $vstup_ht;
} else {
if ($aspectratio) {
//pokud je zaplý aspect ratio spočítáme novou velikost v daném poměru
$w = round($vstup_wd * $height / $vstup_ht);
$h = round($vstup_ht * $width / $vstup_wd);
if ($height - $h < $width - $w) {
$width =& $w;
} else {
$height =& $h;
}
}
}
$temp = imageCreateTrueColor($width, $height);
//vytvoříme obrázek o rozměrech zmenšeného obrázku
imageCopyResampled($temp, $vstup, 0, 0, 0, 0, $width, $height, $vstup_wd, $vstup_ht);
//obrázky zkopíruje na sebe, takže dojde vlastně ke zmenšení výsledného obrázku
ImageJPEG($temp, $vystup, $quality);
//uložíme zmenšený obrázek na výstup
imagedestroy($vstup);
//uvolnime pamět
imagedestroy($temp);
//uvolnime pamět
}
/**
* Open the source and target image for processing it
*
* @param Asido_TMP &$tmp
* @return boolean
* @access protected
*/
function __open(&$tmp)
{
$error_source = false;
$error_target = false;
// get image dimensions
//
if ($i = @getImageSize($tmp->source_filename)) {
$tmp->image_width = $i[0];
$tmp->image_height = $i[1];
}
// image type ?
//
switch (@$i[2]) {
case 1:
// GIF
$error_source = false == ($tmp->source = @imageCreateFromGIF($tmp->source_filename));
$error_target = false == ($tmp->target = imageCreateTrueColor($tmp->image_width, $tmp->image_height));
$error_target &= imageCopyResampled($tmp->target, $tmp->source, 0, 0, 0, 0, $tmp->image_width, $tmp->image_height, $tmp->image_width, $tmp->image_height);
break;
case 2:
// JPG
$error_source = false == ($tmp->source = imageCreateFromJPEG($tmp->source_filename));
$error_target = false == ($tmp->target = imageCreateFromJPEG($tmp->source_filename));
break;
case 3:
// PNG
$error_source = false == ($tmp->source = @imageCreateFromPNG($tmp->source_filename));
$error_target = false == ($tmp->target = @imageCreateFromPNG($tmp->source_filename));
break;
case 15:
// WBMP
$error_source = false == ($tmp->source = @imageCreateFromWBMP($tmp->source_filename));
$error_target = false == ($tmp->target = @imageCreateFromWBMP($tmp->source_filename));
break;
case 16:
// XBM
$error_source = false == ($tmp->source = @imageCreateFromXBM($tmp->source_filename));
$error_target = false == ($tmp->target = @imageCreateFromXBM($tmp->source_filename));
break;
case 4:
// SWF
// SWF
case 5:
// PSD
// PSD
case 6:
// BMP
// BMP
case 7:
// TIFF(intel byte order)
// TIFF(intel byte order)
case 8:
// TIFF(motorola byte order)
// TIFF(motorola byte order)
case 9:
// JPC
// JPC
case 10:
// JP2
// JP2
case 11:
// JPX
// JPX
case 12:
// JB2
// JB2
case 13:
// SWC
// SWC
case 14:
// IFF
// IFF
default:
$error_source = false == ($tmp->source = @imageCreateFromString(file_get_contents($tmp->source_filename)));
$error_target = false == ($tmp->source = @imageCreateFromString(file_get_contents($tmp->source_filename)));
break;
}
return !($error_source || $error_target);
}
/**
* Creates a new image given an original path, a new path, a target width and height.
* Optionally crops image to exactly match given width and height.
* @params string $originalPath, string $newpath, int $width, int $height, bool $crop
* @return void
*/
public function create($originalPath, $newPath, $width, $height, $crop = false)
{
// first, we grab the original image. We shouldn't ever get to this function unless the image is valid
$imageSize = @getimagesize($originalPath);
$oWidth = $imageSize[0];
$oHeight = $imageSize[1];
$finalWidth = 0;
//For cropping, this is really "scale to width before chopping extra height"
$finalHeight = 0;
//For cropping, this is really "scale to height before chopping extra width"
$do_crop_x = false;
$do_crop_y = false;
$crop_src_x = 0;
$crop_src_y = 0;
// first, if what we're uploading is actually smaller than width and height, we do nothing
if ($oWidth < $width && $oHeight < $height) {
$finalWidth = $oWidth;
$finalHeight = $oHeight;
$width = $oWidth;
$height = $oHeight;
} else {
if ($crop && ($height >= $oHeight && $width <= $oWidth)) {
//crop to width only -- don't scale anything
$finalWidth = $oWidth;
$finalHeight = $oHeight;
$height = $oHeight;
$do_crop_x = true;
} else {
if ($crop && ($width >= $oWidth && $height <= $oHeight)) {
//crop to height only -- don't scale anything
$finalHeight = $oHeight;
$finalWidth = $oWidth;
$width = $oWidth;
$do_crop_y = true;
} else {
// otherwise, we do some complicated stuff
// first, we divide original width and height by new width and height, and find which difference is greater
$wDiff = $oWidth / $width;
$hDiff = $oHeight / $height;
if (!$crop && $wDiff > $hDiff) {
//no cropping, just resize down based on target width
$finalWidth = $width;
$finalHeight = $oHeight / $wDiff;
} else {
if (!$crop) {
//no cropping, just resize down based on target height
$finalWidth = $oWidth / $hDiff;
$finalHeight = $height;
} else {
if ($crop && $wDiff > $hDiff) {
//resize down to target height, THEN crop off extra width
$finalWidth = $oWidth / $hDiff;
$finalHeight = $height;
$do_crop_x = true;
} else {
if ($crop) {
//resize down to target width, THEN crop off extra height
$finalWidth = $width;
$finalHeight = $oHeight / $wDiff;
$do_crop_y = true;
}
}
}
}
}
}
}
//Calculate cropping to center image
if ($do_crop_x) {
/*
//Get half the difference between scaled width and target width,
// and crop by starting the copy that many pixels over from the left side of the source (scaled) image.
$nudge = ($width / 10); //I have *no* idea why the width isn't centering exactly -- this seems to fix it though.
$crop_src_x = ($finalWidth / 2.00) - ($width / 2.00) + $nudge;
*/
$crop_src_x = round(($oWidth - $width * $oHeight / $height) * 0.5);
}
if ($do_crop_y) {
/*
//Calculate cropping...
//Get half the difference between scaled height and target height,
// and crop by starting the copy that many pixels down from the top of the source (scaled) image.
$crop_src_y = ($finalHeight / 2.00) - ($height / 2.00);
*/
$crop_src_y = round(($oHeight - $height * $oWidth / $width) * 0.5);
}
//create "canvas" to put new resized and/or cropped image into
if ($crop) {
$image = @imageCreateTrueColor($width, $height);
} else {
$image = @imageCreateTrueColor($finalWidth, $finalHeight);
}
switch ($imageSize[2]) {
case IMAGETYPE_GIF:
$im = @imageCreateFromGIF($originalPath);
break;
case IMAGETYPE_JPEG:
$im = @imageCreateFromJPEG($originalPath);
break;
case IMAGETYPE_PNG:
$im = @imageCreateFromPNG($originalPath);
break;
}
if ($im) {
// Better transparency - thanks for the ideas and some code from mediumexposure.com
if ($imageSize[2] == IMAGETYPE_GIF || $imageSize[2] == IMAGETYPE_PNG) {
$trnprt_indx = imagecolortransparent($im);
// If we have a specific transparent color
if ($trnprt_indx >= 0) {
// Get the original image's transparent color's RGB values
$trnprt_color = imagecolorsforindex($im, $trnprt_indx);
// Allocate the same color in the new image resource
$trnprt_indx = imagecolorallocate($image, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
// Completely fill the background of the new image with allocated color.
imagefill($image, 0, 0, $trnprt_indx);
// Set the background color for new image to transparent
imagecolortransparent($image, $trnprt_indx);
} else {
if ($imageSize[2] == IMAGETYPE_PNG) {
// Turn off transparency blending (temporarily)
imagealphablending($image, false);
// Create a new transparent color for image
$color = imagecolorallocatealpha($image, 0, 0, 0, 127);
// Completely fill the background of the new image with allocated color.
imagefill($image, 0, 0, $color);
// Restore transparency blending
imagesavealpha($image, true);
}
}
}
$res = @imageCopyResampled($image, $im, 0, 0, $crop_src_x, $crop_src_y, $finalWidth, $finalHeight, $oWidth, $oHeight);
if ($res) {
switch ($imageSize[2]) {
case IMAGETYPE_GIF:
$res2 = imageGIF($image, $newPath);
break;
case IMAGETYPE_JPEG:
$compression = defined('AL_THUMBNAIL_JPEG_COMPRESSION') ? AL_THUMBNAIL_JPEG_COMPRESSION : 80;
$res2 = imageJPEG($image, $newPath, $compression);
break;
case IMAGETYPE_PNG:
$res2 = imagePNG($image, $newPath);
break;
}
}
}
}
public static function resize_full_image($src, $size, $width, $height)
{
if ($size[0] > $width || $size[1] > $height) {
$ratio = $size[0] > $size[1] ? $size[0] / $width : $size[1] / $height;
$dst_width = $size[0] / $ratio;
$dst_height = $size[1] / $ratio;
} else {
$dst_width = $size[0];
$dst_height = $size[1];
}
$dst = imageCreateTrueColor($dst_width, $dst_height);
imageCopyResampled($dst, $src, 0, 0, 0, 0, $dst_width, $dst_height, $size[0], $size[1]);
return $dst;
}
/**
* Generate images of alternate sizes.
*/
function resizeImage($cnvrt_arry)
{
global $platform, $imgs, $cnvrt_path, $reqd_image, $convert_writable, $convert_magick, $convert_GD, $convert_cmd, $cnvrt_alt, $cnvrt_mesgs, $compat_quote;
if (empty($imgs) || $convert_writable == FALSE) {
return;
}
if ($convert_GD == TRUE && !($gd_version = gdVersion())) {
return;
}
if ($cnvrt_alt['no_prof'] == TRUE) {
$strip_prof = ' +profile "*"';
} else {
$strip_prof = '';
}
if ($cnvrt_alt['mesg_on'] == TRUE) {
$str = '';
}
foreach ($imgs as $img_file) {
if ($cnvrt_alt['indiv'] == TRUE && $img_file != $reqd_image['file']) {
continue;
}
$orig_img = $reqd_image['pwd'] . '/' . $img_file;
$cnvrtd_img = $cnvrt_path . '/' . $cnvrt_arry['prefix'] . $img_file;
if (!is_file($cnvrtd_img)) {
$img_size = GetImageSize($orig_img);
$height = $img_size[1];
$width = $img_size[0];
$area = $height * $width;
$maxarea = $cnvrt_arry['maxwid'] * $cnvrt_arry['maxwid'] * 0.9;
$maxheight = $cnvrt_arry['maxwid'] * 0.75 + 1;
if ($area > $maxarea || $width > $cnvrt_arry['maxwid'] || $height > $maxheight) {
if ($width / $cnvrt_arry['maxwid'] >= $height / $maxheight) {
$dim = 'W';
}
if ($height / $maxheight >= $width / $cnvrt_arry['maxwid']) {
$dim = 'H';
}
if ($dim == 'W') {
$cnvt_percent = round(0.9375 * $cnvrt_arry['maxwid'] / $width * 100, 2);
}
if ($dim == 'H') {
$cnvt_percent = round(0.75 * $cnvrt_arry['maxwid'] / $height * 100, 2);
}
// convert it
if ($convert_magick == TRUE) {
// Image Magick image conversion
if ($platform == 'Win32' && $compat_quote == TRUE) {
$winquote = '"';
} else {
$winquote = '';
}
exec($winquote . $convert_cmd . ' -geometry ' . $cnvt_percent . '%' . ' -quality ' . $cnvrt_arry['qual'] . ' -sharpen ' . $cnvrt_arry['sharpen'] . $strip_prof . ' "' . $orig_img . '"' . ' "' . $cnvrtd_img . '"' . $winquote);
$using = $cnvrt_mesgs['using IM'];
} elseif ($convert_GD == TRUE) {
// GD image conversion
if (eregi('\\.jpg$|\\.jpeg$', $img_file) == TRUE && (imageTypes() & IMG_JPG) == TRUE) {
$src_img = imageCreateFromJpeg($orig_img);
} elseif (eregi('\\.gif$', $img_file) == TRUE && (imageTypes() & IMG_PNG) == TRUE) {
$src_img = imageCreateFromPng($orig_img);
} elseif (eregi('\\.gif$', $img_file) == TRUE && (imageTypes() & IMG_GIF) == TRUE) {
$src_img = imageCreateFromGif($orig_img);
} else {
continue;
}
$src_width = imageSx($src_img);
$src_height = imageSy($src_img);
$dest_width = $src_width * ($cnvt_percent / 100);
$dest_height = $src_height * ($cnvt_percent / 100);
if ($gd_version >= 2) {
$dst_img = imageCreateTruecolor($dest_width, $dest_height);
imageCopyResampled($dst_img, $src_img, 0, 0, 0, 0, $dest_width, $dest_height, $src_width, $src_height);
} else {
$dst_img = imageCreate($dest_width, $dest_height);
imageCopyResized($dst_img, $src_img, 0, 0, 0, 0, $dest_width, $dest_height, $src_width, $src_height);
}
imageDestroy($src_img);
if (eregi('\\.jpg$|\\.jpeg$/i', $img_file) == TRUE && (imageTypes() & IMG_JPG) == TRUE) {
imageJpeg($dst_img, $cnvrtd_img, $cnvrt_arry['qual']);
} elseif (eregi('\\.gif$', $img_file) == TRUE && (imageTypes() & IMG_PNG) == TRUE) {
imagePng($dst_img, $cnvrtd_img);
} elseif (eregi('\\.gif$/i', $img_file) == TRUE && (imageTypes() & IMG_GIF) == TRUE) {
imageGif($dst_img, $cnvrtd_img);
}
imageDestroy($dst_img);
$using = $cnvrt_mesgs['using GD'] . $gd_version;
}
if ($cnvrt_alt['mesg_on'] == TRUE && is_file($cnvrtd_img)) {
$str .= " <small>\n" . ' ' . $cnvrt_mesgs['generated'] . $cnvrt_arry['txt'] . $cnvrt_mesgs['converted'] . $cnvrt_mesgs['image_for'] . $img_file . $using . ".\n" . " </small>\n <br />\n";
}
}
}
}
if (isset($str)) {
return $str;
}
}
/**
* function _mainTransform (integer $posX=0, integer $posY=0, integer $width=0, integer $height=0, boolean $proportions = true)
*
* Process the image transform
*
* return boolean
*/
function _mainTransform($posX = 0, $posY = 0, $width = 0, $height = 0, $proportions = true)
{
$newImage = $this->imageDefine();
if (!$newImage) {
return $this->debug($this->image . ' isn\'t JPG, GIF nor PGN');
}
if ($proportions) {
list($dX, $dY) = $this->proportions($this->data[0], $this->data[1]);
list($width, $height) = array($this->data[0], $this->data[1]);
} else {
list($dX, $dY) = array($this->size[0], $this->size[1]);
}
list($posX, $posY) = $this->maxSize($posX, $posY, $width, $height);
$thumb = $this->transparency($newImage, imageCreateTrueColor($dX, $dY));
imageCopyResampled($thumb, $newImage, 0, 0, $posX, $posY, $dX, $dY, $width, $height);
if ($this->imageCreate($thumb)) {
return true;
} else {
return $this->debug('A problem occours creating the image. I can\'t finish the task.');
}
}
/**
* Scale an image to the specified size using GD.
*/
function image_gd_resize($source, $destination, $width, $height)
{
if (!file_exists($source)) {
return false;
}
$info = image_get_info($source);
if (!$info) {
return false;
}
$im = image_gd_open($source, $info['extension']);
if (!$im) {
return false;
}
$res = imageCreateTrueColor($width, $height);
imageCopyResampled($res, $im, 0, 0, 0, 0, $width, $height, $info['width'], $info['height']);
$result = image_gd_close($res, $destination, $info['extension']);
imageDestroy($res);
imageDestroy($im);
return $result;
}
function crop($options = array('source_image' => '', 'storage_dir' => '', 'base_filename' => '', 'extension' => '', 'crop_coords' => array('x' => '100', 'y' => '100', 'w' => '100', 'h' => '100'), 'target_size' => array('w' => '300', 'h' => '300'), 'cropped_filename_suffix' => '_cropped'))
{
if (isset($options['source_image'])) {
$source_path = $options['source_image'];
} else {
$source_path = $options['storage_dir'] . DS . $options['base_filename'] . $options['extension'];
}
$this->fixOrientation($source_path);
$original_dimensions = getImageSize($source_path);
$cropped_image_filename = $options['storage_dir'] . DS . $options['base_filename'] . $options['cropped_filename_suffix'] . $options['extension'];
$cropped_image_filename = str_replace(DS . DS, DS, $cropped_image_filename);
$source_image_resource = $this->openImage($options['source_image']);
//imageCreateFromJPEG($options['source_image']);
$cropped_image_resource = imageCreateTrueColor($options['target_size']['w'], $options['target_size']['h']);
// look for transparency in gif or png
if ($original_dimensions[2] == IMAGETYPE_GIF || $original_dimensions[2] == IMAGETYPE_PNG) {
$transparency = imagecolortransparent($source_image_resource);
if ($transparency >= 0) {
$transparent_color = imagecolorsforindex($source_image_resource, $transparency);
$transparency = imagecolorallocate($cropped_image_resource, $transparent_color['red'], $transparent_color['green'], $transparent_color['blue']);
imagefill($cropped_image_resource, 0, 0, $transparency);
imagecolortransparent($cropped_image_resource, $transparency);
} elseif ($original_dimensions[2] == IMAGETYPE_PNG) {
imagealphablending($cropped_image_resource, false);
$color = imagecolorallocatealpha($cropped_image_resource, 0, 0, 0, 127);
imagefill($cropped_image_resource, 0, 0, $color);
imagesavealpha($cropped_image_resource, true);
}
}
imageCopyResampled($cropped_image_resource, $source_image_resource, 0, 0, $options['crop_coords']['x'], $options['crop_coords']['y'], $options['target_size']['w'], $options['target_size']['h'], $options['crop_coords']['w'], $options['crop_coords']['h']);
if ($this->saveImage($cropped_image_resource, $cropped_image_filename)) {
imageDestroy($cropped_image_resource);
imageDestroy($source_image_resource);
return true;
} else {
imageDestroy($cropped_image_resource);
imageDestroy($source_image_resource);
return false;
}
}
protected function imageCopyResampled($src, $dstX = 0, $dstY = 0, $srcX = 0, $srcY = 0, $dstW = null, $dstH = null, $srcW = null, $srcH = null)
{
$imageDetails = $this->buildImage($src);
if ($imageDetails === false) {
return false;
}
list($src, $srcWidth, $srcHeight) = $imageDetails;
if (is_null($dstW)) {
$dstW = $this->width - $dstW;
}
if (is_null($dstH)) {
$dstH = $this->height - $dstY;
}
if (is_null($srcW)) {
$srcW = $srcWidth - $srcX;
}
if (is_null($srcH)) {
$srcH = $srcHeight - $srcY;
}
return imageCopyResampled($this->image, $src, $dstX, $dstY, $srcX, $srcY, $dstW, $dstH, $srcW, $srcH);
}
$file_size = $_FILES['myfile']['size'];
$sql = "select count(id)+1 from pe.file_allegati allegati where pratica={$idpratica} and allegato={$idallegato}";
if ($desc) {
$sql = "insert into pe.file_allegati (pratica,allegato,nome_file,tipo_file,size_file,ordine,chk,uidins,tmsins,form,note) values ({$idpratica},{$idallegato},'{$file_name}','{$file_type}',{$file_size},({$sql}),1," . $_SESSION["USER_ID"] . "," . time() . ",'{$form}','{$desc}');";
} else {
$sql = "insert into pe.file_allegati (pratica,allegato,nome_file,tipo_file,size_file,ordine,chk,uidins,tmsins,form) values ({$idpratica},{$idallegato},'{$file_name}','{$file_type}',{$file_size},({$sql}),1," . $_SESSION["USER_ID"] . "," . time() . ",'{$form}');";
}
$db->sql_query($sql);
$_SESSION["ADD_NEW"] = 1;
if (DEBUG) {
echo $sql;
}
//creo l'oggetto immagine se il file è tipo immagine
if (ereg("jpeg", $file_type)) {
$im_file_name = $updDir . $file_name;
$image_attribs = getimagesize($im_file_name);
$im_old = @imageCreateFromJpeg($im_file_name);
//setto le dimensioni del thumbnail
$th_max_width = 100;
$th_max_height = 100;
$ratio = $width > $height ? $th_max_width / $image_attribs[0] : $th_max_height / $image_attribs[1];
$th_width = $image_attribs[0] * $ratio;
$th_height = $image_attribs[1] * $ratio;
$im_new = imagecreatetruecolor($th_width, $th_height);
//@imageantialias ($im_new,true);
//creo la thumbnail e la copio sul disco
$th_file_name = $updDir . "tmb/tmb_" . $file_name;
@imageCopyResampled($im_new, $im_old, 0, 0, 0, 0, $th_width, $th_height, $image_attribs[0], $image_attribs[1]);
@imageJpeg($im_new, $th_file_name, 100);
ini_set('max_execution_time', $var);
}
/**
* Create a thumbnail for an image
*
* @param string $sImage Full path of the original image
* @param string $sDestination Full path for the newly created thumbnail
* @param int $nMaxW Max width of the thumbnail
* @param int $nMaxH Max height of the thumbnail
* @param bool $bRatio TRUE to keep the aspect ratio and FALSE to not keep it
* @param bool $bSkipCdn Skip the CDN routine
* @return mixed FALSE on failure, TRUE or NULL on success
*/
public function createThumbnail($sImage, $sDestination, $nMaxW, $nMaxH, $bRatio = true, $bSkipCdn = false)
{
if (!$this->_load($sImage)) {
return false;
}
if (defined('PHPFOX_IS_HOSTED_SCRIPT')) {
$sImage = str_replace(PHPFOX_DIR, rtrim(Phpfox::getParam('core.rackspace_url'), '/') . '/', $sImage);
}
if ($bRatio) {
list($nNewW, $nNewH) = $this->_calcSize($nMaxW, $nMaxH);
} else {
return $this->createSquareThumbnail($sImage, $sDestination, $nMaxW, $nMaxH, $bSkipCdn);
}
if ($this->nW < $nNewW || $this->nH < $nNewH || $this->nW == $nNewW && $this->nH == $nNewH) {
@copy($this->sPath, $sDestination);
if (Phpfox::getParam('core.allow_cdn')) {
if ($bSkipCdn === true && $nNewW > 150 || $bSkipCdn === 'force_skip') {
} else {
Phpfox::getLib('cdn')->put($sDestination);
}
}
return true;
}
// if (function_exists('memory_get_usage') && ($sMemoryLimit = @ini_get('memory_limit')) && $sMemoryLimit != -1)
if (!PHPFOX_SAFE_MODE) {
@ini_set('memory_limit', '500M');
/*
$iMemoryLimit = (int) $sMemoryLimit;
$iMemoryUsage = memory_get_usage();
$iFreeMemory = $iMemoryLimit - $iMemoryUsage;
$iTotalMemory = $this->nW * $this->nH * ($this->_aInfo[2] == 2 ? 5 : 2) + 7372.8 + sqrt(sqrt($this->nW * $this->nH));
$iTotalMemory += 166000;
if ($iFreeMemory > 0 AND $iTotalMemory > $iFreeMemory AND $iTotalMemory <= ($iMemoryLimit * 3) && !PHPFOX_SAFE_MODE)
{
ini_set('memory_limit', $iMemoryLimit + $iTotalMemory);
$sMemoryLimit = @ini_get('memory_limit');
$iMemoryLimit = (int) $sMemoryLimit;
$iMemoryUsage = memory_get_usage();
$iFreeMemory = $iMemoryLimit - $iMemoryUsage;
}
if ($iFreeMemory > 0 AND $iTotalMemory > $iFreeMemory)
{
return Phpfox_Error::set('Ran out of memory.', E_USER_ERROR);
}
*/
}
switch ($this->_aInfo[2]) {
case 1:
$hFrm = imageCreateFromGif($this->sPath);
break;
case 3:
$hFrm = imageCreateFromPng($this->sPath);
break;
default:
$hFrm = imageCreateFromJpeg($this->sPath);
break;
}
if ((int) $nNewH === 0) {
$nNewH = 1;
}
if ((int) $nNewW === 0) {
$nNewW = 1;
}
$hTo = imagecreatetruecolor($nNewW, $nNewH);
switch ($this->sType) {
case 'gif':
$iBlack = imagecolorallocate($hTo, 0, 0, 0);
imagecolortransparent($hTo, $iBlack);
break;
case 'jpeg':
case 'jpg':
case 'jpe':
imagealphablending($hTo, true);
break;
case 'png':
imagealphablending($hTo, false);
imagesavealpha($hTo, true);
break;
}
if ($this->thumbLargeThenPic === false && $this->nH <= $nNewH && $this->nW <= $nNewW) {
$hTo = $hFrm;
} else {
if ($hFrm) {
imageCopyResampled($hTo, $hFrm, 0, 0, 0, 0, $nNewW, $nNewH, $this->nW, $this->nH);
}
}
if (file_exists($sDestination)) {
if (@unlink($sDestination) != true) {
@rename($sDestination, $sDestination . '_' . rand(10, 99));
}
}
switch ($this->sType) {
case 'gif':
if (!$hTo) {
@copy($this->sPath, $sDestination);
} else {
@imagegif($hTo, $sDestination);
}
break;
case 'png':
imagepng($hTo, $sDestination);
imagealphablending($hTo, false);
imagesavealpha($hTo, true);
break;
default:
@imagejpeg($hTo, $sDestination);
break;
}
@imageDestroy($hTo);
@imageDestroy($hFrm);
if (($this->sType == 'jpg' || $this->sType == 'jpeg') && function_exists('exif_read_data')) {
@getimagesize($sImage, $aInfo);
if (isset($aInfo['APP1']) && preg_match('/exif/i', $aInfo['APP1'])) {
$exif = @exif_read_data($sImage);
if (!empty($exif['Orientation'])) {
switch ($exif['Orientation']) {
case 1:
case 2:
break;
case 3:
case 4:
// 90 degrees
$this->rotate($sDestination, 'right');
// 180 degrees
$this->rotate($sDestination, 'right');
break;
case 5:
case 6:
// 90 degrees right
$this->rotate($sDestination, 'right');
break;
case 7:
case 8:
// 90 degrees left
$this->rotate($sDestination, 'left');
break;
default:
break;
}
}
}
}
if (Phpfox::getParam('core.allow_cdn')) {
if ($bSkipCdn === true && $nNewW > 150 || $bSkipCdn === 'force_skip') {
} else {
Phpfox::getLib('cdn')->put($sDestination);
}
}
}
public function MakeSpecialThumbnail($o_file, $fileName, $quality, $width, $height)
{
$image_info = getImageSize($o_file);
switch ($image_info['mime']) {
case 'image/gif':
if (imagetypes() & IMG_GIF) {
// not the same as IMAGETYPE
$o_im = imageCreateFromGIF($o_file);
}
break;
case 'image/jpeg':
if (imagetypes() & IMG_JPG) {
$o_im = imageCreateFromJPEG($o_file);
}
break;
case 'image/png':
if (imagetypes() & IMG_PNG) {
$o_im = imageCreateFromPNG($o_file);
}
break;
case 'image/wbmp':
if (imagetypes() & IMG_WBMP) {
$o_im = imageCreateFromWBMP($o_file);
}
break;
default:
break;
}
$o_wd = imagesx($o_im);
$o_ht = imagesy($o_im);
$t_wd = $width;
$t_ht = $height;
// thumbnail width = target * original width / original height
if ($o_ht > $o_wd) {
$t_wd = round($o_wd * $height / $o_ht);
$t_ht = $height;
} else {
$t_ht = round($o_ht * $width / $o_wd);
$t_wd = $width;
}
if ($t_ht > $height) {
$t_wd = round($o_wd * $height / $o_ht);
$t_ht = $height;
}
$t_im = imageCreateTrueColor($width, $height);
$white = imagecolorallocate($t_im, 255, 255, 255);
imagefill($t_im, 0, 0, $white);
$new_x = $new_x = 0;
if ($t_wd > $t_ht) {
// The image is longer
$new_y = ($height - $t_ht) / 2;
$new_x = ($width - $t_wd) / 2;
} else {
// The image is higher
$new_y = ($height - $t_ht) / 2;
$new_x = ($width - $t_wd) / 2;
}
imageCopyResampled($t_im, $o_im, $new_x, $new_y, 0, 0, $t_wd, $t_ht, $o_wd, $o_ht);
imageJPEG($t_im, $fileName, 100);
imageDestroy($o_im);
imageDestroy($t_im);
return true;
}
<?php
## Увеличение картинки со сглаживанием.
$from = imageCreateFromJpeg("sample2.jpg");
$to = imageCreateTrueColor(2000, 2000);
imageCopyResampled($to, $from, 0, 0, 0, 0, imageSX($to), imageSY($to), imageSX($from), imageSY($from));
header("Content-type: image/jpeg");
imageJpeg($to);
public function edit($path, $crop_x, $crop_y, $crop_w, $crop_h, $target_w, $target_h) {
$imageSize = @getimagesize($path);
$img_type = $imageSize[2];
//create "canvas" to put new resized and/or cropped image into
$image = @imageCreateTrueColor($target_w, $target_h);
switch($img_type) {
case IMAGETYPE_GIF:
$im = @imageCreateFromGIF($path);
break;
case IMAGETYPE_JPEG:
$im = @imageCreateFromJPEG($path);
break;
case IMAGETYPE_PNG:
$im = @imageCreateFromPNG($path);
break;
}
if ($im) {
// Better transparency - thanks for the ideas and some code from mediumexposure.com
if (($img_type == IMAGETYPE_GIF) || ($img_type == IMAGETYPE_PNG)) {
$trnprt_indx = imagecolortransparent($im);
// If we have a specific transparent color
if ($trnprt_indx >= 0) {
// Get the original image's transparent color's RGB values
$trnprt_color = imagecolorsforindex($im, $trnprt_indx);
// Allocate the same color in the new image resource
$trnprt_indx = imagecolorallocate($image, $trnprt_color['red'], $trnprt_color['green'], $trnprt_color['blue']);
// Completely fill the background of the new image with allocated color.
imagefill($image, 0, 0, $trnprt_indx);
// Set the background color for new image to transparent
imagecolortransparent($image, $trnprt_indx);
} else if ($img_type == IMAGETYPE_PNG) {
// Turn off transparency blending (temporarily)
imagealphablending($image, false);
// Create a new transparent color for image
$color = imagecolorallocatealpha($image, 0, 0, 0, 127);
// Completely fill the background of the new image with allocated color.
imagefill($image, 0, 0, $color);
// Restore transparency blending
imagesavealpha($image, true);
}
}
$res = @imageCopyResampled($image, $im, 0, 0, $crop_x, $crop_y, $target_w, $target_h, $crop_w, $crop_h);
if ($res) {
switch($img_type) {
case IMAGETYPE_GIF:
$res2 = imageGIF($image, $path);
break;
case IMAGETYPE_JPEG:
$compression = defined('AL_THUMBNAIL_JPEG_COMPRESSION') ? AL_THUMBNAIL_JPEG_COMPRESSION : 80;
$res2 = imageJPEG($image, $path, $compression);
break;
case IMAGETYPE_PNG:
$res2 = imagePNG($image, $path);
break;
}
}
}
}
function cropAndResize($Media, $cropLeft, $cropTop, $cropWidth, $cropHeight, $resizeWidth, $resizeHeight)
{
$cropLeft = (int) $cropLeft;
$cropTop = (int) $cropTop;
$cropWidth = (int) $cropWidth;
$cropHeight = (int) $cropHeight;
$resizeWidth = (int) $resizeWidth;
$resizeHeight = (int) $resizeHeight;
$Image = imageCreateTrueColor($resizeWidth, $resizeHeight);
$this->_adjustTransparency($Media->resources['gd'], $Image);
if ($this->_isTransparent($Media->resources['gd'])) {
imageCopyResized($Image, $Media->resources['gd'], 0, 0, $cropLeft, $cropTop, $resizeWidth, $resizeHeight, $cropWidth, $cropHeight);
} else {
imageCopyResampled($Image, $Media->resources['gd'], 0, 0, $cropLeft, $cropTop, $resizeWidth, $resizeHeight, $cropWidth, $cropHeight);
}
if ($this->_isResource($Image)) {
$Media->resources['gd'] = $Image;
return true;
}
return false;
}
/**
* Creates a thumbnail picture (jpg/png) of a big image
*
* @param boolean $rescale
* @return string thumbnail
*/
public function makeThumbnail($rescale = false)
{
list($width, $height, $this->imageType) = @getImageSize($this->sourceFile);
// check image size
if ($this->checkSize($width, $height, $rescale)) {
return false;
}
// try to extract the embedded thumbnail first (faster)
$thumbnail = false;
if (!$rescale && $this->useEmbedded) {
$thumbnail = $this->extractEmbeddedThumbnail();
}
if (!$thumbnail) {
// calculate uncompressed filesize
// and cancel to avoid a memory_limit error
$memoryLimit = self::getMemoryLimit();
if ($memoryLimit && $memoryLimit != -1) {
$fileSize = $width * $height * ($this->imageType == 3 ? 4 : 3);
if ($fileSize * 2.1 + memory_get_usage() > $memoryLimit) {
return false;
}
}
// calculate new picture size
$x = $y = 0;
if ($this->quadratic) {
$newWidth = $newHeight = $this->maxWidth;
if ($this->appendSourceInfo) {
$newHeight -= self::$sourceInfoLineHeight * 2;
}
if ($width > $height) {
$x = ceil(($width - $height) / 2);
$width = $height;
} else {
$y = ceil(($height - $width) / 2);
$height = $width;
}
} else {
$maxHeight = $this->maxHeight;
if ($this->appendSourceInfo) {
$maxHeight -= self::$sourceInfoLineHeight * 2;
}
if ($this->maxWidth / $width < $maxHeight / $height) {
$newWidth = $this->maxWidth;
$newHeight = round($height * ($newWidth / $width));
} else {
$newHeight = $maxHeight;
$newWidth = round($width * ($newHeight / $height));
}
}
// resize image
$imageResource = false;
// jpeg image
if ($this->imageType == 2 && function_exists('imagecreatefromjpeg')) {
$imageResource = @imageCreateFromJPEG($this->sourceFile);
}
// gif image
if ($this->imageType == 1 && function_exists('imagecreatefromgif')) {
$imageResource = @imageCreateFromGIF($this->sourceFile);
}
// png image
if ($this->imageType == 3 && function_exists('imagecreatefrompng')) {
$imageResource = @imageCreateFromPNG($this->sourceFile);
}
// could not create image
if (!$imageResource) {
return false;
}
// resize image
if (function_exists('imageCreateTrueColor') && function_exists('imageCopyResampled')) {
$imageNew = @imageCreateTrueColor($newWidth, $newHeight);
imageAlphaBlending($imageNew, false);
@imageCopyResampled($imageNew, $imageResource, 0, 0, $x, $y, $newWidth, $newHeight, $width, $height);
imageSaveAlpha($imageNew, true);
} else {
if (function_exists('imageCreate') && function_exists('imageCopyResized')) {
$imageNew = @imageCreate($newWidth, $newHeight);
imageAlphaBlending($imageNew, false);
@imageCopyResized($imageNew, $imageResource, 0, 0, $x, $y, $newWidth, $newHeight, $width, $height);
imageSaveAlpha($imageNew, true);
} else {
return false;
}
}
// create thumbnail
ob_start();
if ($this->imageType == 1 && function_exists('imageGIF')) {
@imageGIF($imageNew);
$this->mimeType = 'image/gif';
} else {
if (($this->imageType == 1 || $this->imageType == 3) && function_exists('imagePNG')) {
@imagePNG($imageNew);
$this->mimeType = 'image/png';
} else {
if (function_exists('imageJPEG')) {
@imageJPEG($imageNew, null, 90);
$this->mimeType = 'image/jpeg';
} else {
return false;
}
}
}
@imageDestroy($imageNew);
$thumbnail = ob_get_contents();
ob_end_clean();
}
if ($thumbnail && $this->appendSourceInfo && !$rescale) {
$thumbnail = $this->appendSourceInfo($thumbnail);
}
return $thumbnail;
}
