PHP 把几张图片合成到为一张固定大小的图片
用php程序,把几张图片(4、5、6、7张数量不等的jpg格式的图片)合成到一张固定大小的图片上,格式依然是jpg。
请问如何处理,请各位大侠帮忙!
不需要用其他软件合成,完全用php程序处理。
回复讨论(解决方案)
这是可以的,但你需要清楚地知道:
1、图片的排列方式
2、如何计算缩放的比例
php gd库就能实现。提供的方法很多,看你需求了。
这是可以的,但你需要清楚地知道:
1、图片的排列方式
2、如何计算缩放的比例
你好,这个图片的排列方式我知道的,是按照顺序12345排列的。请指点后面怎么处理?
因为是 合成到一张固定大小的图片上 的
那么合成的策略是什么?
当按等比缩放时是否允许变形?
如果不允许变形,那么剩余的部分你打算如何处理?
这是一个规划问题,必须要谋划清楚
实现起来异常简单,看看手册就可以了。十来行代码就结决问题
因为是 合成到一张固定大小的图片上 的
那么合成的策略是什么?
当按等比缩放时是否允许变形?
如果不允许变形,那么剩余的部分你打算如何处理?
这是一个规划问题,必须要谋划清楚
实现起来异常简单,看看手册就可以了。十来行代码就结决问题
自动缩放不允许变形的。剩余部分就放空白。

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