PHP 添加水印 & 比例缩略图 & 固定高度 & 固定宽度 类

PHP 添加水印 & 比例缩略图 & 固定高度 & 固定宽度 类。
使用foreach 循环处理的时候，需要 sleep 设定一个时间 或者 按照处理后的返回值 ，否则处理不完。

下载： http://pan.baidu.com/s/1ntKAfFF

1. //文件名：image_process.class.php
2. class Image_process{
3. public $source;//原图
4. public $source_width;//宽
5. public $source_height;//高
6. public $source_type_id;
7. public $orign_name;
8. public $orign_dirname;
9. //传入图片路径
10. public function __construct($source){
11. $this->typeList = array(1=>'gif',2=>'jpg',3=>'png');
12. $ginfo = getimagesize($source);
13. $this->source_width = $ginfo[0];
14. $this->source_height = $ginfo[1];
15. $this->source_type_id= $ginfo[2];
16. $this->orign_url = $source;
17. $this->orign_name = basename($source);
18. $this->orign_dirname = dirname($source);
19. }
21. //判断并处理,返回PHP可识别编码
22. public function judgeType($type,$source){
23. if($type==1){
24. return ImageCreateFromGIF($source);//gif
25. }else if($type==2){
26. return ImageCreateFromJPEG($source);//jpg
27. }else if($type==3){
28. return ImageCreateFromPNG($source);//png
29. }else{
30. return false;
31. }
32. }
34. //生成水印图
35. public function watermarkImage($logo){
36. $linfo = getimagesize($logo);
37. $logo_width = $linfo[0];
38. $logo_height = $linfo[1];
39. $logo_type_id = $linfo[2];
40. $sourceHandle = $this->judgeType($this->source_type_id,$this->orign_url);
41. $logoHandle = $this->judgeType($logo_type_id,$logo);
43. if( !$sourceHandle || ! $logoHandle ){
44. return false;
45. }
46. $x = $this->source_width - $logo_width;
47. $y = $this->source_height- $logo_height;
49. ImageCopy($sourceHandle,$logoHandle,$x,$y,0,0,$logo_width,$logo_width) or die("fail to combine");
50. $newPic = $this->orign_dirname .'\water_'. time().'.'. $this->typeList[$this->source_type_id];
52. if( $this->saveImage($sourceHandle,$newPic)){
53. imagedestroy($sourceHandle);
54. imagedestroy($logoHandle);
55. }
56. }
58. // fix 宽度
59. // height = true 固顶高度
60. // width = true 固顶宽度
61. public function fixSizeImage($width,$height){
62. if( $width > $this->source_width) $this->source_width;
63. if( $height > $this->source_height ) $this->source_height;
64. if( $width === false){
65. $width = floor($this->source_width / ($this->source_height / $height));
66. }
67. if( $height === false){
68. $height = floor($this->source_height / ($this->source_width / $width));
69. }
70. $this->tinyImage($width,$height);
71. }
73. //比例缩放
74. // $scale 缩放比例
75. public function scaleImage($scale){
76. $width = floor($this->source_width * $scale);
77. $height = floor($this->source_height * $scale);
78. $this->tinyImage($width,$height);
79. }
81. //创建略缩图
82. private function tinyImage($width,$height){
83. $tinyImage = imagecreatetruecolor($width, $height );
84. $handle = $this->judgeType($this->source_type_id,$this->orign_url);
85. if(function_exists('imagecopyresampled')){
86. imagecopyresampled($tinyImage,$handle,0,0,0,0,$width,$height,$this->source_width,$this->source_height);
87. }else{
88. imagecopyresized($tinyImage,$handle,0,0,0,0,$width,$height,$this->source_width,$this->source_height);
89. }
91. $newPic = time().'_'.$width.'_'.$height.'.'. $this->typeList[$this->source_type_id];
92. $newPic = $this->orign_dirname .'\thumb_'. $newPic;
93. if( $this->saveImage($tinyImage,$newPic)){
94. imagedestroy($tinyImage);
95. imagedestroy($handle);
96. }
97. }
99. //保存图片
100. private function saveImage($image,$url){
101. if(ImageJpeg($image,$url)){
102. return true;
103. }
104. }
105. }

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1. //使用
3. include('image_process.class.php');
4. $m = array(
5. 'D:\myspace\test\image_process\1.jpg',
6. 'D:\myspace\test\image_process\2.jpg',
7. 'D:\myspace\test\image_process\3.jpg',
8. 'D:\myspace\test\image_process\4.jpg'
9. );
11. $img = 'D:\myspace\test\image_process\1.jpg';
12. $logo = 'D:\myspace\test\image_process\logo.png';
13. foreach( $m as $item){
14. $s = new Image_process( $item );
15. $s->watermarkImage($logo);
16. $s->scaleImage(0.8);
17. $s->fixSizeImage(200,false);
18. sleep(1);
19. }

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