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[html5] Runtime scale check for HTML5Window #1997

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[html5] Runtime scale check for HTML5Window #1997

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Runtime scale check for HTML5Window
IriySoft Nov 12, 2025
123eda9
Merge branch 'openfl:develop' into pixel-rate-runtime
IriySoft Nov 19, 2025
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7 changes: 7 additions & 0 deletions src/lime/_internal/backend/html5/HTML5Window.hx
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Original file line number Diff line number Diff line change
Expand Up @@ -70,6 +70,7 @@ class HTML5Window
private var requestedFullscreen:Bool;
private var resizeElement:Bool;
private var scale = 1.0;
private var checkScale: Bool = false; // to cache the AllowHighDPI and DOM render check result
private var setHeight:Int;
private var setWidth:Int;
private var textInputEnabled:Bool;
Expand Down Expand Up @@ -108,6 +109,7 @@ class HTML5Window
if (Reflect.hasField(attributes, "allowHighDPI") && attributes.allowHighDPI && renderType != DOM)
{
scale = Browser.window.devicePixelRatio;
checkScale = true;
}

parent.__scale = scale;
Expand Down Expand Up @@ -1346,6 +1348,11 @@ class HTML5Window
{
if (!parent.__resizable) return;

if (checkScale) {
scale = Browser.window.devicePixelRatio;
parent.__scale = scale;
}

var elementWidth:Float;
var elementHeight:Float;

Expand Down