GD 函数合成图片有关问题(一张jpg,一张png)
Jun 13, 2016 am 11:34 AM
GD 函数合成图片问题(一张jpg,一张png)
RT:
请问用php怎么能合成两张图片呢？
一张是png 透明的底图，另一张是jpg 图片
现在想让jpg的图片合成到png的底图上面，成为一张新的图片，如何实现呢？
另外问下，是不是合成的图片要尺寸一样大呢？还是底图可以大点的？
本人在网上也找了一些方法，但好像都不行
$path_1 = "topic_assets/522592b5d61cb_ip4.jpg";<br /> $path_2 = "topic_assets/topic_border_android.png";<br /> //echo $path_1;<br /> $image=imagecreatefromjpeg($path_1); <br /> $wm=imagecreatefrompng($path_2); <br /> $im=imagecreatetruecolor(imagesx($image),imagesy($image)); <br /> imagecopy($im,$image,0,0,0,0,imagesx($image),imagesy($image)); <br /> imagecopy($im,$wm,0,0,0,0,imagesx($wm),imagesy($wm));
做过类似的，给个解决方案吧...
------解决方案--------------------
GD 提供了很多函数，你总得都去试试吧！比如这个怎么样？
$t1 = 'http://avatar.csdn.net/1/C/9/1_mahuatengbc.jpg';<br />$t2 = 'http://avatar.csdn.net/2/5/B/1_yykr1987.jpg';<br /><br />$im1 = imagecreatefromjpeg($t1);<br />$im2 = imagecreatefromjpeg($t2);<br /><br />imagecopymerge($im1, $im2, 35, 5, 0, 0, imagesx($im2), imagesy($im2), 63);<br /><br />imagejpeg($im1);
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