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		<title>RDP和高分屏笔记本缩放</title>
		<link>https://v1sta.xyz/tech/rdp-dpi-scale/</link>
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		<dc:creator><![CDATA[远景の域主 V1STA]]></dc:creator>
		<pubDate>Tue, 16 May 2023 10:34:18 +0000</pubDate>
				<category><![CDATA[技术]]></category>
		<category><![CDATA[RDP]]></category>
		<category><![CDATA[Windows]]></category>
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					<description><![CDATA[我有一台14寸的联想YOGA，配备了1080P的高分触摸屏 昨天我用它远程连到我的台式机上，发现RDP会调整D &#8230; <a href="https://v1sta.xyz/tech/rdp-dpi-scale/" class="more-link">继续阅读<span class="screen-reader-text">RDP和高分屏笔记本缩放</span> <span class="meta-nav">&#8594;</span></a>]]></description>
										<content:encoded><![CDATA[
<p>我有一台14寸的联想YOGA，配备了1080P的高分触摸屏</p>



<p>昨天我用它远程连到我的台式机上，发现RDP会调整DPI缩放适应客户机的显示，然而我用的很多程序对DPI缩放支持欠佳（T-Clock, Open-Shell开始菜单……），系统控件也割裂地显示模糊……</p>



<span id="more-1144"></span>



<p>我在联想笔记本设定的是125%缩放（默认是150%），我的台式机显示器是戴尔U2412M，1920&#215;1200 不配置缩放。</p>



<p>此前我用的是10寸WXGA普屏（1280*800）的惠普X2 210平板，由于同样不配置缩放，故不存在这个问题。只是觉得屏幕太小，所以换到14寸的联想。</p>



<p>众所周知Windows的高分屏一直以来都是令人诟病的话题，几乎不能从根本解决，只能妥协。很不幸，使用远程桌面也没有逃过命运的魔爪（雾）</p>



<hr class="wp-block-separator has-alpha-channel-opacity"/>



<p>目前来说，限定Windows客户端和服务端下有三种解决方案：</p>



<ul class="wp-block-list">
<li>使用UWP版本的RD Client（M$ Store中文名：远程桌面）</li>



<li>修改台式机分辨率为2K的超分辨率，并设置与客户机一致的DPI缩放</li>



<li>设置台式机的RDP不配置缩放</li>
</ul>



<p>首先UWP的RDC客户端在触屏的效果很好，但不适合鼠标使用，上下自动隐藏的任务栏很烦人，不过本来就是为移动端平板和手机（可追溯至Metro时期）设计的版本（可作备选）</p>



<p>台式机设置超分辨率（类似黑苹果）会占用显卡性能（我还在用GTX650Ti 1GB版），最主要是Windows平台有大量软件基于点阵显示，高DPI会严重影响显示效果，而且打游戏还要调回来</p>



<p>最终选择的是第三种方案，设置台式机的RDP不响应客户机缩放，14寸1080P的100%缩放也不是不能看，更何况YOGA可以翻转成平板的形态，点距效果和很多手机类似了。</p>



<h2 class="wp-block-heading">修改注册表</h2>



<p>在服务端（台式机）打开注册表，复制在地址栏并跳转到 <code>\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations</code></p>



<p>新建DWORD值 <code>IgnoreClientDesktopScaleFactor</code> 设置十六进制数据为1 </p>



<p>即可忽略客户机的缩放</p>


<div class="wp-block-image">
<figure class="aligncenter size-full"><a href="https://v1sta.xyz/wp-content/uploads/2023/05/regedit_UCjjZEyqST.png" data-lbwps-width="727" data-lbwps-height="401" data-lbwps-srcsmall="https://v1sta.xyz/wp-content/uploads/2023/05/regedit_UCjjZEyqST-300x165.png"><img fetchpriority="high" decoding="async" width="727" height="401" sizes="(max-width: 727px) 100vw, 727px" src="https://v1sta.xyz/wp-content/uploads/2023/05/regedit_UCjjZEyqST.png" alt="" class="wp-image-1145" srcset="https://v1sta.xyz/wp-content/uploads/2023/05/regedit_UCjjZEyqST.png 727w, https://v1sta.xyz/wp-content/uploads/2023/05/regedit_UCjjZEyqST-300x165.png 300w" /></a></figure>
</div>


<h2 class="wp-block-heading">客户机超分辨率</h2>



<p>我在YOGA安装过黑苹果，折腾过HiDPI的缩放，记得macOS的Retina机制只有200%缩放，通过翻倍逻辑像素再缩放到物理显示器上，我设置的是1440&#215;810@HiDPI，和以前的1440&#215;900点距类似，翻倍就是2880&#215;1620（2K分辨率）</p>



<p>在Windows下使用200%也可以直接放大像素而不产生模糊，因此我对200%的显示效果甚是憧憬。可惜笔记本的显卡一般不允许更改内置屏幕的分辨率，特别是牙膏厂（Intel）和黄刀厂（NVIDIA）的驱动（反而AMD的Vega M核显驱动可以修改，AMD YES）</p>



<p>没关系，可以用万能的注册表解决这个问题</p>



<p>虽然Windows大量采用点阵与线条的图标，这么操作会丢失一些显示细节，微软雅黑的字体也没那么锐利了，嘛……就当OLED用吧</p>


<div class="wp-block-image">
<figure class="aligncenter size-large"><a href="https://v1sta.xyz/wp-content/uploads/2023/05/image-4.png" data-lbwps-width="1564" data-lbwps-height="978" data-lbwps-srcsmall="https://v1sta.xyz/wp-content/uploads/2023/05/image-4-300x188.png"><img decoding="async" width="1024" height="640" sizes="(max-width: 1024px) 100vw, 1024px" src="https://v1sta.xyz/wp-content/uploads/2023/05/image-4-1024x640.png" alt="" class="wp-image-1146" srcset="https://v1sta.xyz/wp-content/uploads/2023/05/image-4-1024x640.png 1024w, https://v1sta.xyz/wp-content/uploads/2023/05/image-4-300x188.png 300w, https://v1sta.xyz/wp-content/uploads/2023/05/image-4-768x480.png 768w, https://v1sta.xyz/wp-content/uploads/2023/05/image-4-1536x960.png 1536w, https://v1sta.xyz/wp-content/uploads/2023/05/image-4.png 1564w" /></a></figure>
</div>


<p>问题来了，由于刚才在台式机（服务端）设置了忽略客户机缩放（强制100%），如果使用系统自带的RDP客户端配置2K分辨率全屏</p>



<p>那么文字和控件就会像蚂蚁一样小，几乎看不清，甚至不如1080P：</p>


<div class="wp-block-image">
<figure class="aligncenter size-full"><a href="https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H.jpg" data-lbwps-width="2880" data-lbwps-height="1620" data-lbwps-srcsmall="https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-300x169.jpg"><img decoding="async" width="2560" height="1440" sizes="(max-width: 2560px) 100vw, 2560px" src="https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-scaled.jpg" alt="" class="wp-image-1147" srcset="https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-scaled.jpg 2560w, https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-300x169.jpg 300w, https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-1024x576.jpg 1024w, https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-768x432.jpg 768w, https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-1536x864.jpg 1536w, https://v1sta.xyz/wp-content/uploads/2023/05/SYBifGj68H-2048x1152.jpg 2048w" /></a><figcaption class="wp-element-caption">建议搭配CS1.6 老AUG的伸脖子倍镜（</figcaption></figure>
</div>


<p>这时候有两个解决方案：</p>



<ul class="wp-block-list">
<li>用UWP的RDC客户端，指定分辨率为1080P不缩放，完美点对点显示</li>



<li>创建一个mstsc.exe的副本，设定为“系统”的DPI缩放兼容性，直接拉伸放大画面（但是会模糊）</li>
</ul>



<p>参考了：</p>



<figure class="wp-block-mamaduka-bookmark-card is-style-horizontal"><a class="bookmark-card" href="https://poweruser.blog/remote-desktop-client-on-hidpi-retina-displays-work-around-pixel-scaling-issues-1529f142ca93"><div class="bookmark-card__image"><img decoding="async" src="https://miro.medium.com/v2/resize:fit:1200/1*8S_A6rvitTMdjWvRwHXksQ.png"/></div><div class="bookmark-card__content"><div class="bookmark-card__title">Remote Desktop client on HiDPI (Retina) displays: Work around pixel scaling issues | by Chris | poweruser.blog</div><div class="bookmark-card__description">If you work on a laptop with a 4K HiDPI or Retina display (like I do on my Surface Book) and need to RDP into non-HiDPI remote machines (i.e. Windows 7 clients), you might have encountered this…</div><div class="bookmark_card__meta"><img decoding="async" class="bookmark_card__meta-icon" src="https://miro.medium.com/v2/1*m-R_BkNf1Qjr1YbyOIJY2w.png"/><span class="bookmark_card__meta-publisher">poweruser.blog</span></div></div></a></figure>



<p></p>



<p>管理员运行cmd，创建mstsc.exe和mui语言文件的副本</p>



<pre class="wp-block-preformatted">cd %systemroot%\system32
copy mstsc.exe mstsc2.exe
cd %systemroot%\system32\zh-cn\
copy mstsc.exe.mui mstsc2.exe.mui</pre>



<p>并添加注册表</p>



<pre class="wp-block-preformatted">reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\AppCompatFlags\Layers" /t REG_SZ /v "C:\Windows\System32\mstsc2.exe" /d "~ DPIUNAWARE" /f</pre>



<p>然后去system32目录下会多出一个mstsc2的exe，配置与原版共通，但是设定了拉伸缩放</p>


<div class="wp-block-image">
<figure class="aligncenter size-full"><a href="https://v1sta.xyz/wp-content/uploads/2023/05/image-5.png" data-lbwps-width="948" data-lbwps-height="630" data-lbwps-srcsmall="https://v1sta.xyz/wp-content/uploads/2023/05/image-5-300x199.png"><img loading="lazy" decoding="async" width="948" height="630" sizes="auto, (max-width: 948px) 100vw, 948px" src="https://v1sta.xyz/wp-content/uploads/2023/05/image-5.png" alt="" class="wp-image-1148" srcset="https://v1sta.xyz/wp-content/uploads/2023/05/image-5.png 948w, https://v1sta.xyz/wp-content/uploads/2023/05/image-5-300x199.png 300w, https://v1sta.xyz/wp-content/uploads/2023/05/image-5-768x510.png 768w" /></a></figure>
</div>


<p>这样显示的分辨率即为1440&#215;810（当然画面都是马赛克了）</p>


<div class="wp-block-image">
<figure class="aligncenter size-full"><a href="https://v1sta.xyz/wp-content/uploads/2023/05/image-7.png" data-lbwps-width="2880" data-lbwps-height="1620" data-lbwps-srcsmall="https://v1sta.xyz/wp-content/uploads/2023/05/image-7-300x169.png"><img loading="lazy" decoding="async" width="2880" height="1620" sizes="auto, (max-width: 2880px) 100vw, 2880px" src="https://v1sta.xyz/wp-content/uploads/2023/05/image-7.png" alt="" class="wp-image-1150" srcset="https://v1sta.xyz/wp-content/uploads/2023/05/image-7.png 2880w, https://v1sta.xyz/wp-content/uploads/2023/05/image-7-300x169.png 300w, https://v1sta.xyz/wp-content/uploads/2023/05/image-7-1024x576.png 1024w, https://v1sta.xyz/wp-content/uploads/2023/05/image-7-768x432.png 768w, https://v1sta.xyz/wp-content/uploads/2023/05/image-7-1536x864.png 1536w, https://v1sta.xyz/wp-content/uploads/2023/05/image-7-2048x1152.png 2048w" /></a></figure>
</div>


<hr class="wp-block-separator has-alpha-channel-opacity"/>



<h2 class="wp-block-heading">一些其他的思路</h2>



<p>高分屏的事情在我用笔记本外接显示器的时候就很头疼了，RDP居然也保留了这个“坏特性”，在Windows同样还有一个性质的问题是广色域显示器，说多了都是泪……</p>



<p>一劳永逸的办法是直接用100%缩放的分辨率和对应的设备，比如1600x900P的笔记本，点距舒适的同时效果最好。即使1080P降分辨率到900P，只要不凑近看，当P-OLED大果粒屏幕也不是不能用（x</p>



<p>分辨率1600&#215;900的笔记本一般有ideapad Yoga 13、ThinkPad X1 Carbon 14或者T420改，但现在很难找到用IPS的机型了，又或者都是天价。</p>



<p>往下一档是1440&#215;900了，主要还是3代i5的老款MacBook Air 13寸，足够轻薄，但同样是天价（我确实有一台MacBook Air，可惜是11.6寸的768P屏幕，连系统偏好设定都显示不全）</p>



<p>也见过X220改900P的高分屏，感觉还是有点小。1366&#215;768就完全不推荐了，毕竟这是个上网本都在用1280&#215;800的年代，屏幕也太小了。</p>



<p><s>怀念2000年代SXGA+ 1440&#215;1050分辨率的14寸方屏</s></p>



<hr class="wp-block-separator has-alpha-channel-opacity"/>



<p>另外一个思路是把台式机的主屏换成对应客户机缩放的高分屏，然后开固定缩放（打游戏降分辨率也不会错位模糊），然而我买不起200%缩放的4K显示器，显卡也带不动……</p>



<p>那么就只能选125%缩放的了！</p>



<p>我看了一下25英寸2K显示器的价格……还是告辞了</p>



<p>不过2K显示器也不是一无是处，好处是可以点对点显示不支持DPI缩放的程序，兼容性好；而且下面还可以摆个8寸的WXGA副屏，125%缩放1024&#215;640，甚至随便找个安卓板子都能用。（搭配2560&#215;1600食用更佳，窗口能同时五五开）</p>

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