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236
_core/function/thumb.func.php
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236
_core/function/thumb.func.php
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<?php
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@ini_set('memory_limit', '128M');
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function ResizeWidth($picture,$smallfile,$rewidth)
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{
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$picsize=getimagesize($picture);
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if ($picsize[0] <= $rewidth)
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{
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copy($picture,$smallfile);
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}
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else {
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$reheight = intval(($rewidth * $picsize[1]) / $picsize[0]);
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if($picsize[0]>$rewidth)
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{
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$width=$picsize[0]-$rewidth;
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$aa=$width/$picsize[0];
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$picsize[0]=intval($picsize[0]-$picsize[0]*$aa);
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$picsize[1]=intval($picsize[1]-$picsize[1]*$aa);
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}
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if($picsize[1]>$reheight)
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{
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$height=$picsize[1]-$reheight;
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$bb=$heigh/$picsize[1];
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$picsize[0]=intval($picsize[0]-$picsize[0]*$bb);
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$picsize[1]=intval($picsize[1]-$picsize[1]*$bb);
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}
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if($picsize[2]==1)
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{
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//@header("Content-Type: imgage/gif");
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$dstimg=ImageCreatetruecolor($rewidth,$reheight);
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$srcimg=@ImageCreateFromGIF($picture);
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ImageCopyResized($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagegif($dstimg,$smallfile,100);
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}
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elseif($picsize[2]==2)
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{
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//@header("Content-Type: images/jpeg");
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$dstimg=ImageCreatetruecolor($rewidth,$reheight);
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$srcimg=ImageCreateFromJPEG($picture);
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imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagejpeg($dstimg,$smallfile,100);
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}
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elseif($picsize[2]==3)
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{
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//@header("Content-Type: images/png");
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$srcimg=ImageCreateFromPNG($picture);
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$dstimg = imagecreatetruecolor($rewidth, $reheight);
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imagealphablending($dstimg, false);
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imagesavealpha($dstimg,true);
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$transparent = imagecolorallocatealpha($dstimg, 255, 255, 255, 127);
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imagefilledrectangle($dstimg, 0, 0, $rewidth, $reheight, $transparent);
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imagecopyresampled($dstimg, $srcimg, 0, 0, 0, 0, $rewidth, $reheight, ImageSX($srcimg),ImageSY($srcimg));
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Imagepng($dstimg,$smallfile,0);
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}
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@ImageDestroy($dstimg);
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@ImageDestroy($srcimg);
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}
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}
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function ResizeHeight($picture,$smallfile,$reheight)
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{
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$picsize=getimagesize($picture);
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if ($picsize[1] <= $reheight)
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{
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copy($picture,$smallfile);
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}
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else {
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$rewidth = intval(($reheight * $picsize[0]) / $picsize[1]);
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if($picsize[0]>$rewidth)
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{
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$width=$picsize[0]-$rewidth;
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$aa=$width/$picsize[0];
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$picsize[0]=intval($picsize[0]-$picsize[0]*$aa);
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$picsize[1]=intval($picsize[1]-$picsize[1]*$aa);
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}
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if($picsize[1]>$reheight)
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{
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$height=$picsize[1]-$reheight;
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$bb=$heigh/$picsize[1];
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$picsize[0]=intval($picsize[0]-$picsize[0]*$bb);
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$picsize[1]=intval($picsize[1]-$picsize[1]*$bb);
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}
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if($picsize[2]==1)
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{
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//@header("Content-Type: imgage/gif");
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$dstimg=ImageCreatetruecolor($rewidth,$reheight);
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$srcimg=@ImageCreateFromGIF($picture);
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ImageCopyResized($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagegif($dstimg,$smallfile,100);
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}
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elseif($picsize[2]==2)
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{
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//@header("Content-Type: images/jpeg");
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$dstimg=ImageCreatetruecolor($rewidth,$reheight);
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$srcimg=ImageCreateFromJPEG($picture);
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imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagejpeg($dstimg,$smallfile,100);
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}
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elseif($picsize[2]==3)
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{
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//@header("Content-Type: images/png");
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$srcimg=ImageCreateFromPNG($picture);
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$dstimg=imagecreate($rewidth,$reheight);
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$black = imagecolorallocate($dstimg, 0x00, 0x00, 0x00);
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$white = imagecolorallocate($dstimg, 0xFF, 0xFF, 0xFF);
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$magenta = imagecolorallocate($dstimg, 0xFF, 0x00, 0xFF);
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imagecolortransparent($dstimg,$black);
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imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagepng($dstimg,$smallfile,0);
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}
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@ImageDestroy($dstimg);
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@ImageDestroy($srcimg);
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}
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}
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function ResizeWidthHeight($picture,$smallfile,$rewidth,$reheight)
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{
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$picsize=getimagesize($picture);
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if($picsize[2]==1)
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{
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//@header("Content-Type: imgage/gif");
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$dstimg=ImageCreatetruecolor($rewidth,$reheight);
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$srcimg=@ImageCreateFromGIF($picture);
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ImageCopyResized($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagegif($dstimg,$smallfile,100);
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}
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elseif($picsize[2]==2)
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{
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//@header("Content-Type: images/jpeg");
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$dstimg=ImageCreatetruecolor($rewidth,$reheight);
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$srcimg=ImageCreateFromJPEG($picture);
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imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagejpeg($dstimg,$smallfile,100);
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}
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elseif($picsize[2]==3)
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{
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//@header("Content-Type: images/png");
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$srcimg=ImageCreateFromPNG($picture);
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$dstimg=imagecreate($rewidth,$reheight);
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$black = imagecolorallocate($dstimg, 0x00, 0x00, 0x00);
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$white = imagecolorallocate($dstimg, 0xFF, 0xFF, 0xFF);
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$magenta = imagecolorallocate($dstimg, 0xFF, 0x00, 0xFF);
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imagecolortransparent($dstimg,$black);
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imagecopyresampled($dstimg, $srcimg,0,0,0,0,$rewidth,$reheight,ImageSX($srcimg),ImageSY($srcimg));
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Imagepng($dstimg,$smallfile,0);
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}
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@ImageDestroy($dstimg);
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@ImageDestroy($srcimg);
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}
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function overlay($backpic,$overpic,$x,$y,$w,$h)
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{
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$backsize=getimagesize($backpic);
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$oversize=getimagesize($overpic);
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if ($backsize[2] == 1)
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{
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$dstimg=ImageCreateFromGIF($backpic);
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}
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elseif ($backsize[2] == 2)
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{
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$dstimg=ImageCreateFromJPEG($backpic);
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}
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elseif ($backsize[2] == 3)
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{
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$dstimg=ImageCreateFromPNG($backpic);
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}
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if ($oversize[2] == 1)
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{
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$srcimg=ImageCreateFromGIF($overpic);
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}
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elseif ($oversize[2] == 2)
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{
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$srcimg=ImageCreateFromJPEG($overpic);
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}
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elseif ($oversize[2] == 3)
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{
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$srcimg=ImageCreateFromPNG($overpic);
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}
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Imagecopymerge($dstimg, $srcimg, $x, $y, 0, 0, $w, $h, 100);
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if ($backsize[2] == 1)
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{
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Imagegif($dstimg,$backpic,100);
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}
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elseif ($backsize[2] == 2)
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{
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Imagejpeg($dstimg,$backpic,100);
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}
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elseif ($backsize[2] == 3)
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{
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Imagepng($dstimg,$backpic,0);
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}
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@ImageDestroy($dstimg);
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@ImageDestroy($srcimg);
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}
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// 이미지 가로/세로 교정
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function exifRotate($picture)
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{
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$exifData = @exif_read_data($picture);
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if($exifData['Orientation'] == 6) {
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$degree = 270; // 시계방향으로 90도 돌려줘야 정상인데 270도 돌려야 정상적으로 출력됨
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}
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else if($exifData['Orientation'] == 8) {
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$degree = 90; // 반시계방향으로 90도 돌려줘야 정상
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}
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else if($exifData['Orientation'] == 3) {
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$degree = 180;
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}
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if($degree) {
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if($exifData['FileType'] == 1) {
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$source = imagecreatefromgif($picture);
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$source = imagerotate ($source , $degree, 0);
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imagegif($source, $picture);
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}
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else if($exifData['FileType'] == 2) {
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$source = imagecreatefromjpeg($picture);
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$source = imagerotate ($source , $degree, 0);
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imagejpeg($source, $picture);
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}
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else if($exifData['FileType'] == 3) {
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$source = imagecreatefrompng($picture);
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$source = imagerotate ($source , $degree, 0);
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imagepng($source, $picture);
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}
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@ImageDestroy($source);
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@ImageDestroy($source);
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}
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}
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?>
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