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wasm: validate kicad hi-dpi scaling

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This commit is contained in:
Viktor Vaczi 2026-03-22 12:48:05 +01:00
commit a49ed49d5d
12 changed files with 490 additions and 30 deletions
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11
wasm/kiplatform/ui.cpp
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@ -93,11 +93,14 @@ void EllipsizeChoiceBox( wxChoice* aChoice )
double GetPixelScaleFactor( const wxWindow* aWindow )
{
// Return actual device pixel ratio for hi-res bitmap loading and bundle
// selection. KiCad keeps its own logical content scale at 1.0 in WASM, so
// bitmap selection must stay decoupled from layout sizing.
#ifdef __EMSCRIPTEN__
double scale = EM_ASM_DOUBLE({
double scale = aWindow ? aWindow->GetDPIScaleFactor() : EM_ASM_DOUBLE({
return window.devicePixelRatio || 1.0;
});
return scale;
return scale >= 1.5 ? 2.0 : 1.0;
#else
if( aWindow )
return aWindow->GetContentScaleFactor();
@ -107,7 +110,9 @@ double GetPixelScaleFactor( const wxWindow* aWindow )
double GetContentScaleFactor( const wxWindow* aWindow )
{
return GetPixelScaleFactor( aWindow );
// KiCad layout uses logical coordinates in WASM. wxWidgets window/content
// scaling still reports the display scale separately for DIP conversions.
return aWindow ? aWindow->GetContentScaleFactor() : 1.0;
}
void GetInfoBarColours( wxColour& aFGColour, wxColour& aBGColour )