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PHP code to add watermark to multiple image uploads

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Release： 2016-07-25 08:51:49
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  2. //php watermark function
  3. function imageWaterMark($groundImage,$waterPos=0,$waterImage="",$waterText="",$textFont=5,$textColor="#FF0000 ")
  4. {
  5. $isWaterImage = FALSE;
  6. $formatMsg = "This file format is not supported yet. Please use image processing software to convert the image to GIF, JPG, or PNG format.";
  7. //Read the watermark file
  8. if(!empty($waterImage) && file_exists($waterImage))
  9. {
  10. $isWaterImage = TRUE;
  11. $water_info = getimagesize($waterImage); //What you get is an array
  12. $water_w = $water_info[0];//Get the width of the watermark image
  13. $water_h = $water_info[1];//Get the height of the watermark image
  14. switch($water_info[2])//Get the format of the watermark image
  15. {
  16. case 1:$water_im = imagecreatefromgif($waterImage);break; //Convert the image into an encoding process that can be recognized by PHP
  17. case 2:$water_im = imagecreatefromjpeg($waterImage);break; //Convert the image into PHP-recognizable encoding process
  18. case 3:$water_im = imagecreatefrompng($waterImage);break; //Convert the image into PHP-recognizable encoding process
  19. default:die($formatMsg);
  20. }
  21. }
  22. //Read Get the background image
  23. if(!empty($groundImage) && file_exists($groundImage))
  24. {
  25. $ground_info = getimagesize($groundImage);
  26. $ground_w = $ground_info[0];//Get the width of the background image
  27. $ ground_h = $ground_info[1]; //Get the height of the background image
  28. switch($ground_info[2]) //Get the format of the background image
  29. {
  30. case 1:$ground_im = imagecreatefromgif($groundImage);break;
  31. case 2:$ground_im = imagecreatefromjpeg($groundImage);break;
  32. case 3:$ground_im = imagecreatefrompng($groundImage);break;
  33. default:die($formatMsg);
  34. }
  35. }
  36. else
  37. {
  38. die("required The watermarked picture does not exist! ");
  39. }
  40. //Watermark position
  41. if($isWaterImage)//Picture watermark
  42. {
  43. $w = $water_w;
  44. $h = $water_h;
  45. $label = "Picture";
  46. }
  47. else/ /Text watermark
  48. {
  49. $temp = imagettfbbox(ceil($textFont*2.5),0,"c:/windows/fonts/stcaiyun.ttf",$waterText);//Get the range of text using TrueType fonts
  50. $ w = $temp[2] - $temp[6];
  51. $h = $temp[3] - $temp[7];
  52. unset($temp);
  53. $label = "text area";
  54. }
  55. if ( ($ground_w<$w) || ($ground_h<$h) )
  56. {
  57. echo "The length or width of the image that needs to be watermarked is smaller than the watermark ".$label.", and the watermark cannot be generated! ";
  58. return;
  59. }
  60. switch($waterPos)
  61. {
  62. case 0://random
  63. $posX = rand(0,($ground_w - $w));
  64. $posY = rand(0,($ground_h - $h));
  65. break;
  66. case 1://1 means top left
  67. $posX = 0;
  68. $posY = 0;
  69. break;
  70. case 2://2 means top center
  71. $posX = ($ ground_w - $w) / 2;
  72. $posY = 0;
  73. break;
  74. case 3://3 is the top right
  75. $posX = $ground_w - $w;
  76. $posY = 0;
  77. break;
  78. case 4 ://4 means center left
  79. $posX = 0;
  80. $posY = ($ground_h - $h) / 2;
  81. break;
  82. case 5://5 means center center
  83. $posX = ($ground_w - $w ) / 2;
  84. $posY = ($ground_h - $h) / 2;
  85. break;
  86. case 6://6 is the middle right
  87. $posX = $ground_w - $w;
  88. $posY = ($ground_h - $h) / 2;
  89. break;
  90. case 7://7 is bottom left
  91. $posX = 0;
  92. $posY = $ground_h - $h;
  93. break;
  94. case 8://8 is bottom center
  95. $posX = ($ground_w - $w) / 2;
  96. $posY = $ground_h - $h;
  97. break;
  98. case 9://9 is bottom right
  99. $posX = $ground_w - $w;
  100. $posY = $ground_h - $h;
  101. break;
  102. default://random
  103. $posX = rand(0,($ground_w - $w));
  104. $posY = rand(0,($ground_h - $h) ; posY, 0, 0, $water_w,$water_h);//Copy watermark to target file
  105. }
  106. else//Text watermark
  107. {
  108. if( !empty($textColor) && (strlen($textColor)==7) )
  109. {
  110. $R = hexdec(substr($textColor,1,2));
  111. $G = hexdec(substr($textColor,3,2));
  112. $B = hexdec(substr($textColor,5) );
  113. }
  114. else
  115. {
  116. die("The watermark text color format is incorrect!");
  117. }
  118. imagestring ( $ground_im, $textFont, $posX, $posY, $waterText, imagecolorallocate($ground_im, $R, $G, $B));
  119. }
  120. //The image after generating the watermark
  121. @unlink($groundImage);
  122. switch($ground_info[2])//Get the format of the background image
  123. {
  124. case 1:imagegif($ground_im,$groundImage);break; //Create an image in gif format
  125. case 2 :imagejpeg($ground_im,$groundImage);break; //Create a picture in jpeg format
  126. case 3:imagepng($ground_im,$groundImage);break; //Create a picture in png format
  127. default:die($errorMsg);
  128. }
  129. //Release memory
  130. if(isset($water_info)) unset($water_info);
  131. if(isset($water_im)) imagedestroy($water_im);
  132. unset($ground_info);
  133. imagedestroy($ground_im) ;
  134. }
  135. ?>
  137. php image upload code:
  138. for ($i=0;$i {
  139. $upfile="./img/".($i+1).".png";//Change the path here to yours
  140. if(move_uploaded_file($_FILES['userfile']['tmp_name'] [$i],$upfile)){
  141. imageWaterMark($upfile,9,"./shuiyin.png","Made By Chenduan",5,"#FF0000");
  142. /*
  143. * Function: Image watermark ( Watermark supports pictures or text)
  144. * imageWaterMark($groundImage,$waterPos=0,$waterImage="",$waterText="",$textFont=5,$textColor="#FF0000")
  145. * Parameters:
  146. * $ groundImage background image, that is, the image that needs to be watermarked, currently only supports GIF, JPG, and PNG formats;
  147. * $waterPos watermark position, there are 10 states, 0 is a random position;
  148. * 1 means top left, 2 means top center, 3 means top is on the right;
  149. * 4 is middle on the left, 5 is middle on the center, 6 is middle on the right;
  150. * 7 is bottom on the left, 8 is bottom on the center, 9 is bottom on the right;
  151. * $waterImage picture Watermark, that is, the image used as a watermark, currently only supports GIF, JPG, and PNG formats;
  152. * $waterText text watermark, that is, text is used as a watermark, supports ASCII code, does not support Chinese;
  153. * $textFont text size, value is 1 , 2, 3, 4 or 5, the default is 5;
  154. * $textColor text color, the value is a hexadecimal color value, the default is #FF0000 (red);
  155. */
  156. echo "";
  157. echo "No.".($i+1)."Picture operation successful
    ";
  158. }
  159. else{
  160. echo "No.". ($i+1)."Unable to upload picture
    ";
  161. }
  162. }
  163. ?>
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php多图片上传添加水印的代码
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