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LV2 Host: Query ComponentPeer directly for scale factor instead of using a cached value

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reuk 2025-09-23 21:37:27 +01:00
parent 0ba96f15a0
commit 167d9b64c3
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1 changed files with 17 additions and 10 deletions
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27
modules/juce_audio_processors/format_types/juce_LV2PluginFormat.cpp
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@ -545,16 +545,29 @@ private:
/* Convert from the component's coordinate system to the hosted LV2's coordinate system. */
Rectangle<int> componentToLv2Rect (Rectangle<int> r) const
{
return localAreaToGlobal (r) * nativeScaleFactor * getDesktopScaleFactor();
const auto platformScale = getDesktopScaleFactor() * getPeerScale();
return (localAreaToGlobal (r.toFloat()) * platformScale).toNearestInt();
}
/* Convert from the hosted LV2's coordinate system to the component's coordinate system. */
Rectangle<int> lv2ToComponentRect (Rectangle<int> vr) const
{
return getLocalArea (nullptr, vr / (nativeScaleFactor * getDesktopScaleFactor()));
const auto platformScale = getDesktopScaleFactor() * getPeerScale();
return (getLocalArea (nullptr, vr.toFloat() / platformScale)).toNearestInt();
}
float getEffectiveScale() const { return nativeScaleFactor * userScaleFactor; }
float getPeerScale() const
{
if (auto* peer = getPeer())
return peer->getPlatformScaleFactor();
return 1.0f;
}
float getEffectiveScale() const
{
return getPeerScale() * userScaleFactor;
}
// If possible, try to keep platform-specific handing restricted to the implementation of
// ViewComponent. Keep the interface of ViewComponent consistent on all platforms.
@ -660,20 +673,14 @@ private:
MessageManager::callAsync ([ref = Component::SafePointer<ConfiguredEditorComponent> (&window), platformScale]
{
if (auto* r = ref.getComponent())
{
if (approximatelyEqual (std::exchange (r->nativeScaleFactor, platformScale), platformScale))
return;
r->nativeScaleFactor = platformScale;
r->sendScaleFactorToPlugin();
}
});
}
};
LogicalResizeListener& resizeListener;
int lastWidth = 0, lastHeight = 0;
float nativeScaleFactor = 1.0f, userScaleFactor = 1.0f;
float userScaleFactor = 1.0f;
NativeScaleFactorNotifier scaleNotifier { this, ScaleNotifierCallback { *this } };
ViewComponent viewComponent { *this };
LV2_URID floatUrid, scaleFactorUrid;