/// <summary>
/// 删除图片（非强制删除）
/// </summary>
/// <param name="id"></param>
/// <param name="size"></param>
public void deleteImage(string id, TextureSize_state size)
{
//Debug.Log ("deleteImage "+id);
if (!imgList.ContainsKey(id))
{
Debug.LogError(imgList.Count + "====deleteImage ERROR" + id);
return;
}
Image_info info = imgList[id];
if (info == null)
{
Debug.LogError("deleteImage ERROR");
return;
}
//如果缓存中有图片，则删除该图片不继续加载
if (iList.Contains(info))
{
iList.Remove(info);
}
info.stateIndex[(int)size]--;
if (info.stateIndex[(int)size] < 0)
{
Debug.LogError("deleteImage ERROR 引用计数溢出");
}
//如果所有计数均为0，则删除该图片
int max = 0;
for (int i = 0; i < info.stateIndex.Length; i++)
{
max += info.stateIndex[i];
}
if (max <= 0)
{
imgList.Remove(id);
Resources.UnloadUnusedAssets();
}
}
public void loadImage(string id, TextureSize_state size, Callback <Texture2D> fun, bool isFistLoad = false)
{
if (imgList.ContainsKey(id))
{
Image_info info = imgList[id];
info.isError = "null";
info.site = "null";
info.fun = fun;
//如果有小图，则删除小图，加载大图
if ((int)imgList[id].state > (int)size)
{
info.state = size;
info.stateIndex[(int)size]++;
listAddImg(info, isFistLoad);
listLoadImg();
}
//否则记数加1，然后返回图片
else
{
info.stateIndex[(int)size]++;
fun(imgList[id].tex);
}
}
else
{
//请求本地是否有该图片
Image_info info = new Image_info();
info.isError = "null";
info.site = "null";
info.tex = new Texture2D(0, 0);
info.key = id;
info.state = size;
info.stateIndex[(int)size] = 1;
info.fun = fun;
imgList.Add(id, info);
listAddImg(info, isFistLoad);
listLoadImg();
}
}
private static string getSizeString(TextureSize_state size)
{
switch (size)
{
case TextureSize_state.Texture_raw:
return("");
case TextureSize_state.Texture_big:
return("!imysky-style-adaptiveh-360w-90q");
case TextureSize_state.Texture_centre:
return("!imysky-style-adaptiveh-180w-90q");
case TextureSize_state.Texture_little:
return("imysky-style-adaptiveh-100w-90q");
case TextureSize_state.Texture_tiny:
return("!imysky-style-adaptiveh-40w-90q");
default:
return(null);
}
}
