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- <?php
- namespace Qiniu\Processing;
- use Qiniu;
- /**
- * 主要涉及图片链接拼接
- *
- * @link http://developer.qiniu.com/code/v6/api/kodo-api/image/imageview2.html
- */
- final class ImageUrlBuilder
- {
- /**
- * mode合法范围值
- *
- * @var array
- */
- protected $modeArr = array(0, 1, 2, 3, 4, 5);
- /**
- * format合法值
- *
- * @var array
- */
- protected $formatArr = array('psd', 'jpeg', 'png', 'gif', 'webp', 'tiff', 'bmp');
- /**
- * 水印图片位置合法值
- *
- * @var array
- */
- protected $gravityArr = array('NorthWest', 'North', 'NorthEast',
- 'West', 'Center', 'East', 'SouthWest', 'South', 'SouthEast');
- /**
- * 缩略图链接拼接
- *
- * @param string $url 图片链接
- * @param int $mode 缩略模式
- * @param int $width 宽度
- * @param int $height 长度
- * @param string $format 输出类型
- * @param int $quality 图片质量
- * @param int $interlace 是否支持渐进显示
- * @param int $ignoreError 忽略结果
- * @return string
- * @link http://developer.qiniu.com/code/v6/api/kodo-api/image/imageview2.html
- * @author Sherlock Ren <sherlock_ren@icloud.com>
- */
- public function thumbnail(
- $url,
- $mode,
- $width,
- $height,
- $format = null,
- $interlace = null,
- $quality = null,
- $ignoreError = 1
- ) {
- // url合法效验
- if (!$this->isUrl($url)) {
- return $url;
- }
- // 参数合法性效验
- if (!in_array(intval($mode), $this->modeArr, true)) {
- return $url;
- }
- if (!$width || !$height) {
- return $url;
- }
- $thumbStr = 'imageView2/' . $mode . '/w/' . $width . '/h/' . $height . '/';
- // 拼接输出格式
- if (!is_null($format)
- && in_array($format, $this->formatArr)
- ) {
- $thumbStr .= 'format/' . $format . '/';
- }
- // 拼接渐进显示
- if (!is_null($interlace)
- && in_array(intval($interlace), array(0, 1), true)
- ) {
- $thumbStr .= 'interlace/' . $interlace . '/';
- }
- // 拼接图片质量
- if (!is_null($quality)
- && intval($quality) >= 0
- && intval($quality) <= 100
- ) {
- $thumbStr .= 'q/' . $quality . '/';
- }
- $thumbStr .= 'ignore-error/' . $ignoreError . '/';
- // 如果有query_string用|线分割实现多参数
- return $url . ($this->hasQuery($url) ? '|' : '?') . $thumbStr;
- }
- /**
- * 图片水印
- *
- * @param string $url 图片链接
- * @param string $image 水印图片链接
- * @param numeric $dissolve 透明度
- * @param string $gravity 水印位置
- * @param numeric $dx 横轴边距
- * @param numeric $dy 纵轴边距
- * @param numeric $watermarkScale 自适应原图的短边比例
- * @link http://developer.qiniu.com/code/v6/api/kodo-api/image/watermark.html
- * @return string
- * @author Sherlock Ren <sherlock_ren@icloud.com>
- */
- public function waterImg(
- $url,
- $image,
- $dissolve = 100,
- $gravity = 'SouthEast',
- $dx = null,
- $dy = null,
- $watermarkScale = null
- ) {
- // url合法效验
- if (!$this->isUrl($url)) {
- return $url;
- }
- $waterStr = 'watermark/1/image/' . \Qiniu\base64_urlSafeEncode($image) . '/';
- // 拼接水印透明度
- if (is_numeric($dissolve)
- && $dissolve <= 100
- ) {
- $waterStr .= 'dissolve/' . $dissolve . '/';
- }
- // 拼接水印位置
- if (in_array($gravity, $this->gravityArr, true)) {
- $waterStr .= 'gravity/' . $gravity . '/';
- }
- // 拼接横轴边距
- if (!is_null($dx)
- && is_numeric($dx)
- ) {
- $waterStr .= 'dx/' . $dx . '/';
- }
- // 拼接纵轴边距
- if (!is_null($dy)
- && is_numeric($dy)
- ) {
- $waterStr .= 'dy/' . $dy . '/';
- }
- // 拼接自适应原图的短边比例
- if (!is_null($watermarkScale)
- && is_numeric($watermarkScale)
- && $watermarkScale > 0
- && $watermarkScale < 1
- ) {
- $waterStr .= 'ws/' . $watermarkScale . '/';
- }
- // 如果有query_string用|线分割实现多参数
- return $url . ($this->hasQuery($url) ? '|' : '?') . $waterStr;
- }
- /**
- * 文字水印
- *
- * @param string $url 图片链接
- * @param string $text 文字
- * @param string $font 文字字体
- * @param string $fontSize 文字字号
- * @param string $fontColor 文字颜色
- * @param numeric $dissolve 透明度
- * @param string $gravity 水印位置
- * @param numeric $dx 横轴边距
- * @param numeric $dy 纵轴边距
- * @link http://developer.qiniu.com/code/v6/api/kodo-api/image/watermark.html#text-watermark
- * @return string
- * @author Sherlock Ren <sherlock_ren@icloud.com>
- */
- public function waterText(
- $url,
- $text,
- $font = '黑体',
- $fontSize = 0,
- $fontColor = null,
- $dissolve = 100,
- $gravity = 'SouthEast',
- $dx = null,
- $dy = null
- ) {
- // url合法效验
- if (!$this->isUrl($url)) {
- return $url;
- }
- $waterStr = 'watermark/2/text/'
- . \Qiniu\base64_urlSafeEncode($text) . '/font/'
- . \Qiniu\base64_urlSafeEncode($font) . '/';
- // 拼接文字大小
- if (is_int($fontSize)) {
- $waterStr .= 'fontsize/' . $fontSize . '/';
- }
- // 拼接文字颜色
- if (!is_null($fontColor)
- && $fontColor
- ) {
- $waterStr .= 'fill/' . \Qiniu\base64_urlSafeEncode($fontColor) . '/';
- }
- // 拼接水印透明度
- if (is_numeric($dissolve)
- && $dissolve <= 100
- ) {
- $waterStr .= 'dissolve/' . $dissolve . '/';
- }
- // 拼接水印位置
- if (in_array($gravity, $this->gravityArr, true)) {
- $waterStr .= 'gravity/' . $gravity . '/';
- }
- // 拼接横轴边距
- if (!is_null($dx)
- && is_numeric($dx)
- ) {
- $waterStr .= 'dx/' . $dx . '/';
- }
- // 拼接纵轴边距
- if (!is_null($dy)
- && is_numeric($dy)
- ) {
- $waterStr .= 'dy/' . $dy . '/';
- }
- // 如果有query_string用|线分割实现多参数
- return $url . ($this->hasQuery($url) ? '|' : '?') . $waterStr;
- }
- /**
- * 效验url合法性
- *
- * @param string $url url链接
- * @return string
- * @author Sherlock Ren <sherlock_ren@icloud.com>
- */
- protected function isUrl($url)
- {
- $urlArr = parse_url($url);
- return $urlArr['scheme']
- && in_array($urlArr['scheme'], array('http', 'https'))
- && $urlArr['host']
- && $urlArr['path'];
- }
- /**
- * 检测是否有query
- *
- * @param string $url url链接
- * @return string
- * @author Sherlock Ren <sherlock_ren@icloud.com>
- */
- protected function hasQuery($url)
- {
- $urlArr = parse_url($url);
- return !empty($urlArr['query']);
- }
- }
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