Babybus-u3d技术交流-照片外边加相框并存储

public static void SavePicture(GameObject xiangkuang, GameObject zhaopian, string datapath) 
{        
Texture2D XiangkuangTexture;
//相框
      
Texture2D ZhaopianTexture;
//照片
       
XiangkuangTexture = (Texture2D)xiangkuang.GetComponent<UI2DSprite
().mainTexture;
ZhaopianTexture = (Texture2D)zhaopian.GetComponent<UI2DSprite>().mainTexture;       
Texture2D SaveTexture = new Texture2D(XiangkuangTexture.width, XiangkuangTexture.height, TextureFormat.ARGB32, 
false
);        
//SaveTexture = XiangkuangTexture;       
int PicStartwidth = (XiangkuangTexture.width - ZhaopianTexture.width) / 2;        
int PicStartheight = (XiangkuangTexture.height - ZhaopianTexture.height) / 2;        
//左侧        
for (int i = 0; i < PicStartwidth; i++)        
{
for (int j = 0; j < XiangkuangTexture.height; j++)            
{               
SaveTexture.SetPixel(i, j, XiangkuangTexture.GetPixel(i, j));            
}        
}        
//右侧        
for (int i = PicStartwidth + ZhaopianTexture.width; i < PicStartwidth + XiangkuangTexture.width; i++)
{            
for (int j = 0; j < XiangkuangTexture.height; j++)
{
SaveTexture.SetPixel(i, j, XiangkuangTexture.GetPixel(i, j));
}
}
//上侧
for (int i = PicStartwidth; i < ZhaopianTexture.width+PicStartwidth; i++)
{          for (int j = ZhaopianTexture.height + PicStartheight; j < XiangkuangTexture.height; j++)
{                
SaveTexture.SetPixel(i, j, XiangkuangTexture.GetPixel(i, j));           
}        
}        
//下侧        
for (int i = PicStartwidth; i < ZhaopianTexture.width + PicStartwidth; i++)
{            
for (int j = 0; j < PicStartheight; j++)            
{                
SaveTexture.SetPixel(i, j, XiangkuangTexture.GetPixel(i, j));            
}        
}       
//图片        
for (int i = 0; i < ZhaopianTexture.width; i++)        
{
       for(intj = 0; j < ZhaopianTexture.height; j++)
{                
SaveTexture.SetPixel(i + PicStartwidth, j + PicStartheight, ZhaopianTexture.GetPixel(i, j));
}        
}        
SaveTexture.Apply();        
byte[] bytes = SaveTexture.EncodeToPNG();        
string
filename = datapath + "/" + GlobalManager.createshadow_toy + photoNum + 
".png";       
System.IO.File.WriteAllBytes(filename, bytes);    
}

已存在贴图需要满足

201501041420383099470810.png

本来如果美术给的图片是ARPG32的png图片的话有更简便的方法，但是现在还不太清楚RPGA4444怎么转换成ARPG32，先mark下，了解改进方法再修改吧。