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example 'camera`: add note about possible orientation issues; revision;

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pls.153 2022-11-09 09:42:29 +01:00
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commit dd61e73fd1
2 changed files with 25 additions and 7 deletions
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10
examples/camera/lisp/web-server.lisp
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@ -1,6 +1,7 @@
;;; This starts a local web-server in order to preview/download the taken ;;; This starts a local web-server in order to preview/download the taken
;;; pictures on your desktop computer. Make sure you are in the same WiFi, ;;; pictures (mobile device) on your desktop computer.
;;; and open: ;;;
;;; Make sure you are in the same WiFi, and open:
;;; ;;;
;;; http://192.168.1.x:1701/ ;;; http://192.168.1.x:1701/
@ -14,7 +15,10 @@
<html> <html>
<head> <head>
<style type=\"text/css\"> <style type=\"text/css\">
img { width: 150px; height: 150px; object-fit: contain; border-width: 10px; border-style: solid; border-color: white } img {
width: 150px; height: 150px; object-fit: contain;
border-width: 10px; border-style: solid; border-color: white;
}
</style> </style>
</head> </head>
<body> <body>

22
examples/camera/readme.md
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@ -30,9 +30,23 @@ http://192.168.1.x:1701/
chosen here because it's both relatively small and works well on mobile. chosen here because it's both relatively small and works well on mobile.
This example needs a small Qt extension for rotating images. That's necessary This example needs a small Qt extension for rotating images. That's necessary
here because different devices may have different camera orientations, so the here because different devices may have different orientation handling (namely
saved images would be displayed with the wrong orientation in the desktop iOS), so the saved images would be displayed with the wrong orientation in the
browser. desktop browser.
Note
----
While testing on different devices (phone/tablet), I discovered that they may
behave differently regarding the orientation (both video output and saved
images) even if running the same OS. So, to adapt to your device's behavior,
you need to play around with `autoOrientation` and the angles in function
`adaptOrientation()`; see also Lisp function `qt:rotate-image`.
The current settings worked for me on both an android phone and an iPhone (both
older models).
@ -44,7 +58,7 @@ lqml run.lisp
Optionally pass `-slime` to start a Swank server, and connect from Emacs with Optionally pass `-slime` to start a Swank server, and connect from Emacs with
`M-x slime-connect`. `M-x slime-connect`.
During development you can pass `-auto`, which will releoad all QML files after During development you can pass `-auto`, which will reload all QML files after
you made a change to any of them and saved it. For re-initialization after you made a change to any of them and saved it. For re-initialization after
reloading, file `lisp/qml-reload/on-reloaded` will be loaded. reloading, file `lisp/qml-reload/on-reloaded` will be loaded.