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Use PNG files for tests and examples

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These are much smaller than the previous BMP files

Fixes https://github.com/libsdl-org/SDL/issues/14159
This commit is contained in:
Sam Lantinga
2025-10-06 11:45:48 -07:00
parent 7454302cd0
commit bb0d6221c1
143 changed files with 10608 additions and 147151 deletions
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8
examples/README.md
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@@ -71,16 +71,16 @@ everything consistent. You can ignore it.
This is how Ryan is doing it currently.
- `rm -f frame*.bmp`
- `rm -f frame*.png`
- Temporarily add `#include "../../save-rendering-to-bitmaps.h"` after any SDL
includes in the example program.
- Launch the example app, interact with it, let it run for a few seconds, quit.
- This will dump a "frameX.bmp" file for each frame rendered.
- This will dump a "frameX.png" file for each frame rendered.
- Make a video in webp format from the bitmaps (this assumes the bitmaps were
stored at 60fps, you might have to tweak).
```bash
ffmpeg -framerate 60 -pattern_type glob -i 'frame*.bmp' -loop 0 -quality 40 -r 10 -frames:v 40 onmouseover.webp
ffmpeg -framerate 60 -pattern_type glob -i 'frame*.png' -loop 0 -quality 40 -r 10 -frames:v 40 onmouseover.webp
```
You might need to start in the middle of the video, or mess with quality or
@@ -89,6 +89,6 @@ This is how Ryan is doing it currently.
pngquant for massive file size reduction without any obvious loss in quality:
```bash
convert frame00000.bmp cvt.png ; pngquant cvt.png --output thumbnail.png ; rm -f cvt.png
convert frame00000.png cvt.png ; pngquant cvt.png --output thumbnail.png ; rm -f cvt.png
```