FoundPHP 照片：水印

框架下默认集成 FoundPHP_image 支持格式：jpg、jpeg、png、gif

应用库地址：class/image/resize.php

采用GD库php默认memory_limit是128M，如果需要处理大尺寸照片修改512M以上。

采用缩放zoom的时候可以用xy定位，默认中间定位

图例：

切图水印居中打水印

$FoundPHP_image->image('foundphp.jpg');
//设置图片水印
$FoundPHP_image->mark(
    array(
        'img'        =>'FoundPHP_mini.png',        //水印照片
        'xy'        =>'center',                    //居中显示
        'x'            =>10,                    //左移动10像素
        'y'            =>10,                    //右移动10像素
    )
);
$FoundPHP_image->resize(array(
    'width'        =>400,
    'height'    =>400,
    'cut'        =>1,        //1切图，0不切图
    'zoom'        =>0,
));
$FoundPHP_image->save('foundphp_new');

实现效果：

切图左上角旋转水印图

旋转特殊角度会造成照片部分丢失

$FoundPHP_image->image('foundphp.jpg');
//设置图片水印
$FoundPHP_image->mark(
    array(
        'img'        =>'FoundPHP_mini.png',        //水印照片
        'xy'        =>'tl',                    //居中显示
        'angle'        => 90,                //角度数值逆时针旋转
        'x'            =>10,                    //左移动10像素
        'y'            =>10,                    //右移动10像素
    )
);
$FoundPHP_image->resize(array(
    'width'        =>400,
    'height'    =>400,
    'cut'        =>1,        //1切图，0不切图
    'zoom'        =>0,
));
$FoundPHP_image->save('foundphp_new');

实现效果：

补色jpg照片调整透明度的水印

为了让你看的更清楚，我们采用了红色背景设置水印透明60%

$FoundPHP_image->image('foundphp.jpg');
//设置图片水印
$FoundPHP_image->mark(
    array(
        'img'        =>'FoundPHP_icon.jpg',    //水印照片
        'xy'        =>'br',                    //居中显示
        'alpha'        => 60,                    //透明度
    )
);
$FoundPHP_image->resize(array(
    'width'        =>400,
    'height'    =>400,
    'cut'        =>0,        //1切图，0不切图
    'zoom'        =>1,
    'bgcolor'    =>'#800000',    //png 与gif 透明设置无效
));
$FoundPHP_image->save('foundphp_new');

实现效果：