diff options
| -rw-r--r-- | src/quick/items/context2d/qquickcontext2dtexture.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/quick/items/context2d/qquickcontext2dtexture.cpp b/src/quick/items/context2d/qquickcontext2dtexture.cpp index 5ac971dc7d..78c526b299 100644 --- a/src/quick/items/context2d/qquickcontext2dtexture.cpp +++ b/src/quick/items/context2d/qquickcontext2dtexture.cpp @@ -538,6 +538,9 @@ QPaintDevice* QQuickContext2DFBOTexture::beginPainting() { QQuickContext2DTexture::beginPainting(); + const qreal devicePixelRatio = (m_item && m_item->window()) ? + m_item->window()->effectiveDevicePixelRatio() : qApp->devicePixelRatio(); + if (m_canvasWindow.size().isEmpty()) { delete m_fbo; delete m_multisampledFbo; @@ -552,7 +555,7 @@ QPaintDevice* QQuickContext2DFBOTexture::beginPainting() delete m_paint_device; m_paint_device = 0; - m_fboSize = npotAdjustedSize(m_canvasWindow.size()); + m_fboSize = npotAdjustedSize(m_canvasWindow.size() * devicePixelRatio); m_canvasWindowChanged = false; if (doMultisampling()) { @@ -590,6 +593,7 @@ QPaintDevice* QQuickContext2DFBOTexture::beginPainting() QOpenGLPaintDevice *gl_device = new QOpenGLPaintDevice(m_fbo->size()); gl_device->setPaintFlipped(true); gl_device->setSize(m_fbo->size()); + gl_device->setDevicePixelRatio(devicePixelRatio); m_paint_device = gl_device; } @@ -694,8 +698,12 @@ QPaintDevice* QQuickContext2DImageTexture::beginPainting() if (m_canvasWindow.size().isEmpty()) return 0; + const qreal devicePixelRatio = (m_item && m_item->window()) ? + m_item->window()->effectiveDevicePixelRatio() : qApp->devicePixelRatio(); + if (m_canvasWindowChanged) { - m_image = QImage(m_canvasWindow.size(), QImage::Format_ARGB32_Premultiplied); + m_image = QImage(m_canvasWindow.size() * devicePixelRatio, QImage::Format_ARGB32_Premultiplied); + m_image.setDevicePixelRatio(devicePixelRatio); m_image.fill(0x00000000); m_canvasWindowChanged = false; } |