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Translating KevinSJ -- 05142018
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How To Display Images In The Terminal
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如何在终端中显示图片
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======
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There are plenty of GUI picture viewers available for Linux. But I haven’t heard or used any applications which displays pictures in the Terminal itself. Luckily, I have just found a CLI image viewer named **FIM** that can be used to display images images in Terminal. The FIM utility draw my attention, because it is very lightweight compared to most GUI picture viewer applications. Without further ado, lets us go ahead and see what it is capable of.
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Linux 上用许多 GUI 图片浏览器。但我尚未听说或使用过任何在终端中显示图片的应用程序。幸运的是，我刚刚发现了一个可用于在终端中显示图像的名叫 ** FIM ** 的图像查看器。FIM 引起了我的注意，是因为与大多数 GUI 图片浏览器相比，它非常轻巧。毫不迟疑，让我们来看看它能做什么。
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### Display Images In the Terminal Using FIM
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###使用FIM在终端中显示图像
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**FIM** stands for **F** bi **IM** proved. For those who don’t know, **Fbi** is a linux **f** rame **b** uffer **i** mageviewer. It uses the system’s framebuffer to display images directly from the command line. By default, it displays bmp, gif, jpeg, PhotoCD, png, ppm, tiff, and xwd from the Terminal itself. For other formats, it will try to use ImageMagick’s convert.
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**FIM** stands for **F**bi **IM**proved. 对于那些不知道的人，**Fbi**是指 linux 中的 **f**rame **b**uffer **i**mageviewer。它使用系统的帧缓冲器直接从命令行显示图像。默认情况下，它能用终端显示bmp，gif，jpeg，PhotoCD，png，ppm，tiff 和 xwd。对于其他格式，它会尝试使用 ImageMagick 的转换。
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FIM is based on Fbi and it is a highly customizable and scriptable image viewer targeted at the users who are comfortable with software like the Vim text editor or the Mutt mail user agent. It displays the images in full screen and the images can be controlled (such as resize, flip, zoom) using keyboard shortcuts. Unlike fbi, the FIM utility is universal: it can open many file formats and it can display pictures in the following video modes:
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FIM 基于 Fbi，它是一款高度可高度定制及脚本化的图像浏览器，非常适合使用 Vim 文本编辑器或 Mutt 等软件的用户。它会以全屏显示图像，并可通过键盘快捷键控制（如调整大小，翻转，缩放）。与fbi不同的是，FIM 是通用的：它可以打开许多文件格式，并且可以在以下视频模式下显示图片：
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* Graphically, with the Linux framebuffer device.
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* Graphically, under X/Xorg, using the SDL library.
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* Graphically, under X/Xorg, using the Imlib2 library.
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* Rendered as ASCII Art in any textual console, using the AAlib library.
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*使用 Linux framebuffer 设备，以图形方式呈现
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*在 X / Xorg 下，使用 SDL 库。以图形方式呈现
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*在 X / Xorg 下，使用 Imlib2 库。以图形方式呈现。
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*在任何文本控制台中使用 AAlib 库呈现为 ASCII 字符画 。
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FIM is completely free and open source.
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FIM是完全免费且开源的。
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### Install FIM
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###安装FIM
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基于 DEB 的系统，如 Ubuntu，Linux Mint， 可从默认的仓库中获取 FIM 图像查看器。因此，你可以使用如下命令安装fbi：
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The FIM image viewer is available in the default repositories of DEB-based systems such as Ubuntu, Linux Mint. So, you can install fbi using command:
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```
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$ sudo apt-get install fim
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```
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If it is not available in the default repositories of your Linux distribution, you can download, compile and install from source as shown below.
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如果它在你使用的 Linux 发行版的仓库中不包含 FIM，则可以下载源代码进行编译和安装，如下所示。
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```
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wget http://download.savannah.nongnu.org/releases/fbi-improved/fim-0.6-trunk.tar.gz
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wget http://download.savannah.nongnu.org/releases/fbi-improved/fim-0.6-trunk.tar.gz.sig
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gpg --search 'dezperado autistici org'
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# import the key from a trusted keyserver by following on screen instructions
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＃按照屏幕上的说明，从密钥服务器导入密钥
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gpg --verify fim-0.6-trunk.tar.gz.sig
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tar xzf fim-0.6-trunk.tar.gz
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cd fim-0.6-trunk
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./configure --help=short
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# read the ./configure --help=short output: you can give options to ./configure
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＃阅读./configure --help = short的输出：你可以在 ./configure 中添加选项
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./configure
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make
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su -c "make install"
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su -c“make install”
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```
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### FIM Usage
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### FIM用法
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Once installed, you can display an image with “auto zoom” option using command:
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安装完成后，您可以使用以下命令以“自动缩放”显示的图像：
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```
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$ fim -a dog.jpg
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```
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Here is the sample output from my Ubuntu box.
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这里是我的 Ubuntu 主机的示例输出。
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![][1]
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As you can see in the above screenshot, FIM didn’t use any external GUI picture viewers. Instead, it uses our system’s framebuffer to display the image.
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正如你在上面的屏幕截图中看到的，FIM 没有使用任何外部 GUI 图片浏览器。相反，它使用我们系统的帧缓冲器来显示图像。
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If you have multiple .jpg files in the current directory, you could use wildcard to open all of them as shown below.
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如果当前目录中有多个.jpg文件，可以使用通配符打开所有文件，如下所示。
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```
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$ fim -a *.jpg
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$ fim -a * .jpg
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```
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To open all images in a directory, for example **Pictures** , run:
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要打开目录中的所有图像，例如 **Pictures**，请运行：
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```
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$ fim Pictures/
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```
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We can also open the images recursively in a folder and its sub-folder and then sorting the list like below.
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我们也可以在文件夹及其子文件夹中递归地打开图像，然后像下面那样对列表进行排序。
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```
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$ fim -R Pictures/ --sort
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```
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To render the image in ASCII format, you can use **-t** flag.
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要以 ASCII 格式渲染图像，可以使用 **-t** 标志。
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```
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$ fim -t dog.jpg
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```
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To quit Fim, press **ESC** or **q**.
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要退出 Fim，请按 **ESC** 或 **q**。
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**Keyboard shortcuts**
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**键盘快捷键**
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You can use various keyboard shortcuts to manage the images. For example, to load next image and previous images, press PgUp/PgDown keys. Ton Zoom in or out, use +/- keys. Here is the common keys used to control images in FIM.
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您可以使用各种键盘快捷键来管理图像。例如，要加载下一张图像和之前的图像，请按下 PgUp / PgDown 键。成倍放大或缩小，请使用 +/- 键。以下是用于在FIM中控制图像的常用按键。
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* **PageUp/Down** : Prev/Next image
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* **+/-** : Zoom in/out
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* **a** : Autoscale
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* **w** : Fit to width
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* **h** : Fit to height
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* **j/k** : Pan down/up
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* **f/m** : flip/mirror
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* **r/R** : Rotate (Clock wise and ant-clock wise)
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* **ESC/q** : Quit
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* **PageUp/Down**：上一张/下一张图片
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* **+/-**：放大/缩小
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* **a**：自动缩放
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* **w**：自适应宽度
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* **h**：自适应高度
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* **j/k**：平移/向上
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* **f/m**：翻转/镜像
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* **r/R**：旋转（顺时针/逆时针）
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* **ESC/q**：退出
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For complete details, refer man pages.
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有关完整详细信息，请参阅手册页。
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```
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$ man fim
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```
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And, that’s all for now. Hope this helps. More good stuffs to come. Stay tuned!
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那么，就是这样。希望这对你有所帮助。后续还会介绍更多的优秀工具。敬请关注！
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Cheers!
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干杯!
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--------------------------------------------------------------------------------
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-------------------------------------------------- ------------------------------
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via: https://www.ostechnix.com/how-to-display-images-in-the-terminal/
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作者：[SK][a]
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作者：[SK] [A]
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选题：[lujun9972](https://github.com/lujun9972)
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译者：[译者ID](https://github.com/译者ID)
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译者：[译者KevinSJ](https://github.com/KevinSJ)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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