public function resize($src_file, $target_file, $width, $height, $type, $new_width, $new_height)
{
$obj = new ecae_image();
$obj->set_file($src_file);
$obj->resize($new_width, $new_height);
$obj->strip();
$content = $obj->exec();
if ($content) {
file_put_contents($target_file, $content);
return true;
} else {
return false;
}
}
/**
* 生成指定宽度和高度的图片
* @param object image model object
* @param string source file directory
* @param mixed 临时数据源
* @param string 宽度
* @param string 高度
* @return null
*/
function image_resize(&$imgmdl, $src_file, $target_file, $new_width, $new_height)
{
if (isset($src_file) && is_file($src_file)) {
list($width, $height, $type) = getimagesize($src_file);
$size = self::get_image_size($new_width, $new_height, $width, $height);
$new_width = $size[0];
$new_height = $size[1];
if (ECAE_MODE) {
include_lib('image.php');
$obj = new ecae_image();
$obj->set_file($src_file);
$obj->resize($new_width, $new_height);
$obj->strip();
$content = $obj->exec();
if ($content) {
file_put_contents($target_file, $content);
return true;
} else {
return false;
}
} elseif (function_exists('magickresizeimage')) {
$rs = NewMagickWand();
if (MagickReadImage($rs, $src_file)) {
MagickResizeImage($rs, $new_width, $new_height, MW_QuadraticFilter, 0.3);
MagickSetImageFormat($rs, 'image/jpeg');
MagickWriteImage($rs, $target_file);
}
return true;
} elseif (function_exists('imagecopyresampled')) {
$quality = 80;
$image_p = imagecreatetruecolor($new_width, $new_height);
if ($new_width > $width && $new_height > $height) {
$background_color = imagecolorallocate($image_p, 255, 255, 255);
imagefilledrectangle($image_p, 0, 0, $new_width, $new_height, $background_color);
}
imagealphablending($image_p, false);
switch ($type) {
case IMAGETYPE_JPEG:
$image = imagecreatefromjpeg($src_file);
$func = 'imagejpeg';
break;
case IMAGETYPE_GIF:
$image = imagecreatefromgif($src_file);
$func = 'imagegif';
break;
case IMAGETYPE_PNG:
$image = imagecreatefrompng($src_file);
imagesavealpha($image, true);
$func = 'imagepng';
$quality = 8;
break;
}
imagesavealpha($image_p, true);
if ($new_width > $width && $new_height > $height) {
imagecopyresampled($image_p, $image, ($new_width - $width) / 2, ($new_height - $height) / 2, 0, 0, $width, $height, $width, $height);
} else {
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
}
if ($func) {
$func($image_p, $target_file, $quality);
}
imagedestroy($image_p);
imagedestroy($image);
}
}
}
