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High resolution icon #1987

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High resolution icon #1987

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rom1v
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@rom1v rom1v commented Dec 22, 2020

There are two problems with the scrcpy icon:

  1. there is no scrcpy icon (it just uses a standard Android icon)
  2. it's low definition (48×48) (Use better resolution icon for app #1497)

This PR aims to fix the latter.

Why was the icon in 48×48?

For the initial release of scrcpy, to set an icon quickly (and in a funny way), I used an XPM: icon.xpm.
I explained here: https://blog.rom1v.com/2018/03/introducing-scrcpy/#set-a-window-icon

I use XFCE, and the icons are never shown at a higher resolution, so it was not a problem for me. However, when the icon is displayed at a bigger size, the quality is awful: #1497.

Icon format

To support a higher resolution icon, I had to use another format.

SDL expects a packed (non-planar) bitmap format, so I choose PNG (but other formats could be supported).

To avoid adding a new dependency, I implemented icon loading using FFmpeg (which is not the most straightforward way to just load an image!). For simplicity, I only implemented support for RGB-like input.

The icon is read from a file, either in /usr/share/icons/hicolor/512x512/apps/scrcpy.png or just icon.png for portable builds (i.e. Windows). Like SCRCPY_SERVER_PATH, an environment variable allows to customize the icon path: SCRCPY_ICON_PATH. The main purpose is to be able to execute ./run x to run a build without installing.

Debug mode

To easily distinguish debug builds, I used to change the icon color (because it was simple and funny):

#ifndef NDEBUG
// patch the XPM to change the icon color in debug mode
xpm[2] = ". c #CC00CC";
#endif

To keep things simple with a real image, I will just abandon this debug-specific change.

TODO

  • I'd like to add support for palette formats (AV_PIX_FMT_PAL8), in particular because it's the format produced by optipng if I optimize the current icon. (DONE)
  • I'd like a real scrcpy icon 😄

Before this change, release.sh built some native stuff, and
Makefile.CrossWindows built the Windows releases.

Instead, use a single release.make to build the whole release. It also
avoids to build the server one more time.
Finding a local file in the scrcpy directory may be useful for files
other than scrcpy-server in the future.
@rom1v
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rom1v commented Dec 31, 2020

The downscaled 512×512 icon looks bad on Windows. But SDL does not expose a way to provide an icon set for each resolution 😕

@varlesh
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varlesh commented Oct 22, 2021

@rom1v Hi, i try draw icon for scrcpy in papirus style...
image
SVG Code:

<svg xmlns="http://www.w3.org/2000/svg" width="48" height="48" version="1.1">
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 <path style="fill:#077063" d="M 6,5 C 4.892,5 4,5.892 4,7 V 33 H 44 V 7 C 44,5.892 43.108,5 42,5 Z"/>
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 <path style="fill:#ffffff" d="M 15.999996,24.000008 A 1.9999959,1.9999959 0 0 1 17.999992,26.000004 1.9999959,1.9999959 0 0 1 15.999996,28 1.9999959,1.9999959 0 0 1 14,26.000004 1.9999959,1.9999959 0 0 1 15.999996,24.000008 Z"/>
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</svg>

It's can be modify with shadows or other effetcts:
image
SVG Code:

<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="48" height="48" version="1.1">
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  </linearGradient>
  <linearGradient id="linearGradient2450">
   <stop style="stop-color:#000000" offset="0"/>
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  </linearGradient>
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  <linearGradient id="linearGradient5210" x1="29.461" x2="38.232" y1="24.106" y2="30.576" gradientUnits="userSpaceOnUse" xlink:href="#linearGradient4453"/>
  <filter id="filter5543" style="color-interpolation-filters:sRGB" width="1.086" height="1.108" x="-.04" y="-.05">
   <feGaussianBlur id="feGaussianBlur5545" stdDeviation=".72"/>
  </filter>
  <filter id="filter5547" style="color-interpolation-filters:sRGB" width="1.175" height="1.131" x="-.09" y="-.07">
   <feGaussianBlur id="feGaussianBlur5549" stdDeviation=".875"/>
  </filter>
 </defs>
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</svg>

rom1v added a commit that referenced this pull request Oct 22, 2021
Use the new icon designed by @varlesh:
<#1987 (comment)>

Attempt to use the SVG, and fallback to PNG.
@rom1v rom1v force-pushed the icon branch 2 times, most recently from 20e54a8 to 236cd4f Compare October 22, 2021 16:57
@rom1v
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rom1v commented Oct 22, 2021

@varlesh Wow, awesome, thank you very much 👍 The icon is clean 😉

I rebased/adapted this MR on current dev, and used the first icon (in SVG and fallback to PNG 256x256): icon.5.

On Windows:
windows_titlebar_icon

In XFCE Alt+tab list (in list mode):
xfce_alttab_list_icon

In XFCE systembar:
xfce_systembar_icon

In XFCE window titlebar with a light theme:
xfce_titlebar_arc

In XFCE window titlebar with a dark theme:
xfce_titlebar_arc_dark

rom1v added a commit that referenced this pull request Oct 23, 2021
Use the new icon designed by @varlesh:
<#1987 (comment)>

Load it from a PNG file (SDL only supports bitmap icons).
@rom1v
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rom1v commented Oct 23, 2021

(in SVG and fallback to PNG 256x256)

In fact, SDL only support bitmap images for window icon, so there is no need to load it from an SVG (which is not always available with FFmpeg). Instead, now, I only use a 256x256 PNG image: icon.6.

I also added the icon on the main page (on this branch): https://github.com/Genymobile/scrcpy/blob/icon.6/README.md

@varlesh
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varlesh commented Oct 23, 2021

ok, use as you want )

rom1v added a commit that referenced this pull request Oct 25, 2021
Use the new icon designed by @varlesh:
<#1987 (comment)>

Load it from a PNG file (SDL only supports bitmap icons).
@rom1v
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rom1v commented Oct 25, 2021

Merged into dev.

This icon will be the official scrcpy icon from the next release 🎉

Thank you very much!

@rom1v
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rom1v commented Nov 14, 2021

@varlesh Could you please set the logo on the scrcpy wikipedia page?

When uploading an image, wikipedia requires to check the box I am the author of this work. 😉

@varlesh
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varlesh commented Nov 15, 2021 via email

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