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Unified ImageCacheItem

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This commit is contained in:
Clemens 2021-07-02 11:35:20 +02:00
parent e138cb83ab
commit 2709f90cdc
12 changed files with 133 additions and 176 deletions
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18
MapControl/UWP/ImageFileCache.UWP.cs
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@ -5,9 +5,7 @@
using System;
using System.Diagnostics;
using System.IO;
using System.Runtime.InteropServices.WindowsRuntime;
using System.Threading.Tasks;
using Windows.Storage.Streams;
namespace MapControl.Caching
{
@ -15,7 +13,7 @@ namespace MapControl.Caching
{
public async Task<ImageCacheItem> GetAsync(string key)
{
ImageCacheItem imageCacheItem = null;
ImageCacheItem cacheItem = null;
var path = GetPath(key);
try
@ -25,9 +23,9 @@ namespace MapControl.Caching
var buffer = await File.ReadAllBytesAsync(path);
var expiration = ReadExpiration(ref buffer);
imageCacheItem = new ImageCacheItem
cacheItem = new ImageCacheItem
{
Buffer = buffer.AsBuffer(),
Buffer = buffer,
Expiration = expiration
};
@ -39,14 +37,14 @@ namespace MapControl.Caching
Debug.WriteLine("ImageFileCache: Failed reading {0}: {1}", path, ex.Message);
}
return imageCacheItem;
return cacheItem;
}
public async Task SetAsync(string key, IBuffer buffer, DateTime expiration)
public async Task SetAsync(string key, ImageCacheItem cacheItem)
{
var path = GetPath(key);
if (buffer != null && buffer.Length > 0 && path != null)
if (cacheItem.Buffer != null && cacheItem.Buffer.Length > 0 && path != null)
{
try
{
@ -54,8 +52,8 @@ namespace MapControl.Caching
using (var stream = File.Create(path))
{
await stream.AsOutputStream().WriteAsync(buffer);
await WriteExpirationAsync(stream, expiration);
await stream.WriteAsync(cacheItem.Buffer, 0, cacheItem.Buffer.Length);
await WriteExpirationAsync(stream, cacheItem.Expiration);
}
//Debug.WriteLine("ImageFileCache: Wrote {0}, Expires {1}", path, expiration.ToLocalTime());