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| author | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2022-09-12 18:29:45 +0300 |
|---|---|---|
| committer | Tarja Sundqvist <tarja.sundqvist@qt.io> | 2022-09-12 18:29:45 +0300 |
| commit | da0aac1057552048f59075beb31861a6cc076684 (patch) | |
| tree | 020cd8784f01248ea051bbf70254b8bcb3100a23 /src/quick/items/context2d/qquickcontext2dtexture.cpp | |
| parent | f274d775774b78f6217c9770ae87045d969acbe1 (diff) | |
| parent | 4757cac470edbeaeaceca4e63075d9f1139f546b (diff) | |
Merge remote-tracking branch 'origin/tqtc/lts-5.15.7' into tqtc/lts-5.15-opensourcev5.15.7-lts-lgpl
Change-Id: I658cff3c394ed233005efe6b12c515d2a886ef6b
Diffstat (limited to 'src/quick/items/context2d/qquickcontext2dtexture.cpp')
| -rw-r--r-- | src/quick/items/context2d/qquickcontext2dtexture.cpp | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/src/quick/items/context2d/qquickcontext2dtexture.cpp b/src/quick/items/context2d/qquickcontext2dtexture.cpp index 0ebd1a66c9..3f28620d90 100644 --- a/src/quick/items/context2d/qquickcontext2dtexture.cpp +++ b/src/quick/items/context2d/qquickcontext2dtexture.cpp @@ -165,8 +165,15 @@ void QQuickContext2DTexture::setItem(QQuickCanvasItem* item) bool QQuickContext2DTexture::setCanvasWindow(const QRect& r) { - qreal canvasDevicePixelRatio = (m_item && m_item->window()) ? - m_item->window()->effectiveDevicePixelRatio() : qApp->devicePixelRatio(); + bool ok = false; + static qreal overriddenDevicePixelRatio = + !qEnvironmentVariableIsEmpty("QT_CANVAS_OVERRIDE_DEVICEPIXELRATIO") ? + qgetenv("QT_CANVAS_OVERRIDE_DEVICEPIXELRATIO").toFloat(&ok) : 0.0; + qreal canvasDevicePixelRatio = overriddenDevicePixelRatio; + if (overriddenDevicePixelRatio == 0.0) { + canvasDevicePixelRatio = (m_item && m_item->window()) ? + m_item->window()->effectiveDevicePixelRatio() : qApp->devicePixelRatio(); + } if (!qFuzzyCompare(m_canvasDevicePixelRatio, canvasDevicePixelRatio)) { qCDebug(lcCanvas, "%s device pixel ratio %.1lf -> %.1lf", (m_item->objectName().isEmpty() ? "Canvas" : qPrintable(m_item->objectName())), |