-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy paththumbnailImages.class.php
106 lines (90 loc) · 3.49 KB
/
thumbnailImages.class.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
<?php
/*
+----------------------------------------------------------------------+
| ThumbnaiI Image v.: 0.1 (05.12.2006) |
+----------------------------------------------------------------------+
| Generate thumbnail images |
+----------------------------------------------------------------------+
| Author: Stigmat <[email protected]> |
+----------------------------------------------------------------------+
*/
class thumbnail_images {
// get
var $PathImgOld;
var $PathImgNew;
var $NewWidth;
var $NewHeight;
// tmp
var $mime;
function imagejpeg_new ($NewImg,$path_img) {
if ($this->mime == 'image/jpeg' or $this->mime == 'image/pjpeg') imagejpeg($NewImg,$path_img);
elseif ($this->mime == 'image/gif') imagegif($NewImg,$path_img);
elseif ($this->mime == 'image/png') imagepng($NewImg,$path_img);
else return(false);
return(true);
}
function imagecreatefromjpeg_new($path_img) {
if ($this->mime == 'image/jpeg' or $this->mime == 'image/pjpeg') $OldImg=imagecreatefromjpeg($path_img);
elseif ($this->mime == 'image/gif') $OldImg=imagecreatefromgif($path_img);
elseif ($this->mime == 'image/png') $OldImg=imagecreatefrompng($path_img);
else return(false);
return($OldImg);
}
function create_thumbnail_images() {
$PathImgOld = $this->PathImgOld;
$PathImgNew = $this->PathImgNew;
$NewWidth = $this->NewWidth;
$NewHeight = $this->NewHeight;
$Oldsize = @getimagesize($PathImgOld);
$this->mime = $Oldsize['mime'];
$OldWidth = $Oldsize[0];
$OldHeight = $Oldsize[1];
if ($NewHeight=='' and $NewWidth!='') {
$NewHeight = ceil(($OldHeight*$NewWidth)/$OldWidth);
}
elseif ($NewWidth=='' and $NewHeight!='') {
$NewWidth = ceil(($OldWidth*$NewHeight)/$OldHeight);
}
elseif ($NewHeight=='' and $NewWidth=='') {
return(false);
}
$OldHeight_castr = ceil(($OldWidth*$NewHeight)/$NewWidth);
$castr_bottom = ($OldHeight-$OldHeight_castr)/2;
$OldWidth_castr = ceil(($OldHeight*$NewWidth)/$NewHeight);
$castr_right = ($OldWidth-$OldWidth_castr)/2;
if ($castr_bottom>0) {
$OldWidth_castr = $OldWidth;
$castr_right = 0;
}
elseif ($castr_right>0) {
$OldHeight_castr = $OldHeight;
$castr_bottom = 0;
}
else {
$OldWidth_castr = $OldWidth;
$OldHeight_castr = $OldHeight;
$castr_right = 0;
$castr_bottom = 0;
}
$OldImg=$this->imagecreatefromjpeg_new($PathImgOld);
if ($OldImg) {
$NewImg_castr=imagecreatetruecolor($OldWidth_castr,$OldHeight_castr);
if ($NewImg_castr) {
imagecopyresampled($NewImg_castr,$OldImg,0,0,$castr_right,$castr_bottom,$OldWidth_castr,$OldHeight_castr,$OldWidth_castr,$OldHeight_castr);
$NewImg=imagecreatetruecolor($NewWidth,$NewHeight);
if ($NewImg) {
imagecopyresampled($NewImg,$NewImg_castr,0,0,0,0,$NewWidth,$NewHeight,$OldWidth_castr,$OldHeight_castr);
imagedestroy($NewImg_castr);
imagedestroy($OldImg);
if (!$this->imagejpeg_new($NewImg,$PathImgNew)) return (false);
imagedestroy($NewImg);
}
}
}
else {
return(false);
}
return(true);
}
}
?>