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[HTML5] Detect screen scale and DPI.

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`OS.get_screen_scale` will now return the `window.devicePixelRatio`
value, `OS.get_screen_dpi` uses CSS media queries to find approximate
DPI value for the current display.
`OS.get_screen_size` also return the actual screen size (not the CSS
pixel size).
This commit is contained in:
Fabio Alessandrelli
2021-02-12 10:50:02 +01:00
parent e9a25b8552
commit 6cff589b5b
4 changed files with 35 additions and 2 deletions
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platform/javascript/godot_js.h
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@@ -51,6 +51,7 @@ extern int godot_js_os_execute(const char *p_json);
extern void godot_js_os_shell_open(const char *p_uri);
// Display
extern int godot_js_display_screen_dpi_get();
extern double godot_js_display_pixel_ratio_get();
extern void godot_js_display_alert(const char *p_text);
extern int godot_js_display_touchscreen_is_available();