![[PHP GD库]①④--图片水印封装_第1张图片](http://img.e-com-net.com/image/info10/387b4ed213594806adaf645f31575a1b.jpg)
Paste_Image.png
function water_pic($dstName, $srcName, $pos = 0, $dest = 'waterPic', $pre = 'waterPic', $pct = 50, $delSource = false)
{
$dstInfo = getImageInfo($dstName);
$srcInfo = getImageInfo($srcName);
$dst_im = $dstInfo['createFun']($dstName);
$src_im = $srcInfo['createFun']($srcName);
$src_width = $srcInfo['width'];
$src_height = $srcInfo['height'];
$dst_width = $dstInfo['width'];
$dst_height = $dstInfo['height'];
switch ($pos) {
case 0:
$x = 0;
$y = 0;
break;
case 1:
$x = ($dst_width - $src_width) / 2;
$y = 0;
break;
case 2:
$x = $dst_width - $src_width;
$y = 0;
break;
case 3:
$x = 0;
$y = ($dst_height - $src_height) / 2;
break;
case 4:
$x = ($dst_width - $src_width) / 2;
$y = ($dst_height - $src_height) / 2;
break;
case 5:
$x = $dst_width - $src_width;
$y = ($dst_height - $src_height) / 2;
break;
case 6:
$x = 0;
$y = $dst_height - $src_height;
break;
case 7:
$x = ($dst_width - $src_width) / 2;
$y = $dst_height - $src_height;
break;
case 8:
$x = $dst_width - $src_width;
$y = $dst_height - $src_height;
break;
default:
$x = 0;
$y = 0;
break;
}
imagecopymerge($dst_im, $src_im, $x, $y, 0, 0, $src_width, $src_height, $pct);
if ($dest && !file_exists($dest)) {
mkdir($dest, 0777, true);
}
$randNum = mt_rand(100000, 999999);
$dstName = "{$pre}_{$randNum}" . $dstInfo['ext'];
$destination = $dest ? $dest . "/" . $dstName : $dstName;
$dstInfo['outFun']($dst_im, $destination);
imagedestroy($src_im);
imagedestroy($dst_im);
if ($delSource) {
@unlink($srcName);
}
return $destination;
}
test.php
image.func.php
int 756
* 1 => int 960
* 2 => int 2
* 3 => string 'width="756" height="960"' (length=24)
* 'bits' => int 8
* 'channels' => int 3
* 'mime' => string 'image/jpeg' (length=10)
*/
$fileInfo['width'] = $info[0];//756
$fileInfo['height'] = $info[1];//960
$mime = image_type_to_mime_type($info[2]);//image/jpeg
$createFun = str_replace('/', 'createfrom', $mime);
$outFun = str_replace('/', '', $mime);
$fileInfo['createFun'] = $createFun;
$fileInfo['outFun'] = $outFun;
$fileInfo['ext'] = strtolower(image_type_to_extension($info[2]));
return $fileInfo;
}
/**
* 形成缩略图
* @param $filename 文件名
* @param string $dest 缩略图保存路径，默认'thumb'
* @param string $pre 默认前缀thumb_
* @param null $dst_w 最大宽度
* @param null $dst_h 最大高度
* @param float $scale 默认缩放比例
* @param boolean $delSource 是否删除源文件标志
* @return string 最终保存路径及文件名
*
*/
function thumb($filename, $dest = 'thumb', $pre = 'thumb_',
$dst_w = null, $dst_h = null, $scale = 0.5, $delSource = false)
{
$fileInfo = getImageInfo($filename);
$src_w = $fileInfo['width'];
$src_h = $fileInfo['height'];
//如果指定最大宽度和高度，按照等比例缩放进行处理
if (is_numeric($dst_w) && is_numeric($dst_h)) {
$ratio_orig = $src_w / $src_h;
if ($dst_w / $dst_h > $ratio_orig) {
$dst_w = $dst_h * $ratio_orig;
} else {
$dst_h = $dst_w / $ratio_orig;
}
} else {
$dst_w = ceil($src_w * $scale);
$dst_h = ceil($src_h * $scale);
}
$dst_image = imagecreatetruecolor($dst_w, $dst_h);
$src_image = $fileInfo['createFun']($filename);
imagecopyresampled($dst_image, $src_image, 0, 0, 0, 0, $dst_w, $dst_h, $src_w, $src_h);
if ($dest && !file_exists($dest)) {
mkdir($dest, 07777, true);
}
$randNum = mt_rand(100000, 999999);
$dstName = "{$pre}{$randNum}" . $fileInfo['ext'];
$destination = $dest ? $dest . '/' . $dstName : $dstName;
$fileInfo['outFun']($dst_image, $destination);
imagedestroy($src_image);
imagedestroy($dst_image);
if ($delSource) {
@unlink($filename);
}
return $destination;
}
/**文字水印
* @param $filename
* @param string $fontfile
* @param string $text
* @param string $dest
* @param string $pre
* @param bool $delSource
* @param int $r
* @param int $g
* @param int $b
* @param int $alpha
* @param int $angle
* @param int $size
* @param int $x
* @param int $y
* @return string
*/
function water_text($filename, $fontfile = 'fonts/couri.ttf', $text = 'Imooc', $dest = 'waterText', $pre = 'waterText', $delSource = false, $r = 255,
$g = 0, $b = 0, $alpha = 60, $angle = 0, $size = 30, $x = 0, $y = 30)
{
$fileInfo = getImageInfo($filename);
$image = $fileInfo['createFun']($filename);
$color = imagecolorallocatealpha($image, $r, $g, $b, $alpha);
imagettftext($image, $size, $angle, $x, $y, $color, $fontfile, $text);
if ($dest && !file_exists($dest)) {
mkdir($dest, 0777, true);
}
$randNum = mt_rand(100000, 999999);
$dstName = "{$pre}{$randNum}" . $fileInfo['ext'];
$destination = $dest ? $dest . '/' . $dstName : $dstName;
$fileInfo['outFun']($image, $destination);
imagedestroy($image);
if ($delSource) {
@unlink($filename);
}
return $destination;
}
function water_pic($dstName, $srcName, $pos = 0, $dest = 'waterPic', $pre = 'waterPic', $pct = 50, $delSource = false)
{
$dstInfo = getImageInfo($dstName);
$srcInfo = getImageInfo($srcName);
$dst_im = $dstInfo['createFun']($dstName);
$src_im = $srcInfo['createFun']($srcName);
$src_width = $srcInfo['width'];
$src_height = $srcInfo['height'];
$dst_width = $dstInfo['width'];
$dst_height = $dstInfo['height'];
switch ($pos) {
case 0:
$x = 0;
$y = 0;
break;
case 1:
$x = ($dst_width - $src_width) / 2;
$y = 0;
break;
case 2:
$x = $dst_width - $src_width;
$y = 0;
break;
case 3:
$x = 0;
$y = ($dst_height - $src_height) / 2;
break;
case 4:
$x = ($dst_width - $src_width) / 2;
$y = ($dst_height - $src_height) / 2;
break;
case 5:
$x = $dst_width - $src_width;
$y = ($dst_height - $src_height) / 2;
break;
case 6:
$x = 0;
$y = $dst_height - $src_height;
break;
case 7:
$x = ($dst_width - $src_width) / 2;
$y = $dst_height - $src_height;
break;
case 8:
$x = $dst_width - $src_width;
$y = $dst_height - $src_height;
break;
default:
$x = 0;
$y = 0;
break;
}
imagecopymerge($dst_im, $src_im, $x, $y, 0, 0, $src_width, $src_height, $pct);
if ($dest && !file_exists($dest)) {
mkdir($dest, 0777, true);
}
$randNum = mt_rand(100000, 999999);
$dstName = "{$pre}_{$randNum}" . $dstInfo['ext'];
$destination = $dest ? $dest . "/" . $dstName : $dstName;
$dstInfo['outFun']($dst_im, $destination);
imagedestroy($src_im);
imagedestroy($dst_im);
if ($delSource) {
@unlink($srcName);
}
return $destination;
}
?>
![[PHP GD库]①④--图片水印封装_第2张图片](http://img.e-com-net.com/image/info10/26f9ebf6434f4f448c43a963443c1258.jpg)
Paste_Image.png