在纹理图集文件中分割参数? [英] Split parameter in a texture atlas file?

问题描述

skin.atlas文件中的split参数的工作方式.我相信Libgdx纹理打包程序是从9-patches创建这些的.我有时需要手动添加这些(当在链接的标签中使用texturepacker时，或在手动插入/编辑纹理时)，似乎无法弄清楚它们是如何工作的.有时一个像素会使我的元素消失或无法填充拆分.

How exactly works the split parameter in a skin.atlas file. Libgdx texture packer creates these from 9-patches I believe. I need to manually add these sometimes (when using the texturepacker in the linked tag or when manually inserting/editing a texture) and cant seem to figure it out how they exactly work. Sometimes a single pixel makes my elements disappear or does not fill the split.

这是一个示例文件:

roundtext138.png
format: RGBA8888
filter: Nearest,Nearest
repeat: none
button
  rotate: false
  xy: 0, 0
  size: 46, 46
  split: 22, 22, 22, 22
  orig: 46, 46
  offset: 0, 0
  index: -1

推荐答案

Libgdx纹理打包器应该从.9.png文件中的元数据生成您在图集中看到的split/padding参数.这些数字表示可拉伸区域(9元素网格的中间部分)的startX, endX, startY, endY.参见

The Libgdx texture packer should generate the split/padding parameters you see in the atlas from the metadata in the .9.png file. Those numbers represent the startX, endX, startY, endY of the stretchable area (the middle section of the 9-element grid). See the source code that generates the splits array for more details. (You can see the splits information being written out to the atlas in TexturePacker.java.)

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