diff options
| -rw-r--r-- | src/quickwidgets/qquickwidget.cpp | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/quickwidgets/qquickwidget.cpp b/src/quickwidgets/qquickwidget.cpp index 2e8623f508..2c3c72d5f1 100644 --- a/src/quickwidgets/qquickwidget.cpp +++ b/src/quickwidgets/qquickwidget.cpp @@ -913,9 +913,9 @@ void QQuickWidget::createFramebufferObject() d->offscreenWindow->setGeometry(globalPos.x(), globalPos.y(), width(), height()); if (d->useSoftwareRenderer) { - const QSize imageSize = size() * devicePixelRatio(); + const QSize imageSize = size() * devicePixelRatioF(); d->softwareImage = QImage(imageSize, QImage::Format_ARGB32_Premultiplied); - d->softwareImage.setDevicePixelRatio(devicePixelRatio()); + d->softwareImage.setDevicePixelRatio(devicePixelRatioF()); return; } @@ -960,7 +960,7 @@ void QQuickWidget::createFramebufferObject() format.setInternalTextureFormat(GL_SRGB8_ALPHA8_EXT); #endif - const QSize fboSize = size() * devicePixelRatio(); + const QSize fboSize = size() * devicePixelRatioF(); // Could be a simple hide - show, in which case the previous fbo is just fine. if (!d->fbo || d->fbo->size() != fboSize) { @@ -1181,7 +1181,7 @@ void QQuickWidget::resizeEvent(QResizeEvent *e) // Software Renderer if (d->useSoftwareRenderer) { needsSync = true; - if (d->softwareImage.size() != size() * devicePixelRatio()) { + if (d->softwareImage.size() != size() * devicePixelRatioF()) { createFramebufferObject(); } } else { @@ -1191,7 +1191,7 @@ void QQuickWidget::resizeEvent(QResizeEvent *e) // during hide - resize - show sequences and also during application exit. if (!d->fbo && !d->offscreenWindow->openglContext()) return; - if (!d->fbo || d->fbo->size() != size() * devicePixelRatio()) { + if (!d->fbo || d->fbo->size() != size() * devicePixelRatioF()) { needsSync = true; createFramebufferObject(); } @@ -1607,10 +1607,12 @@ void QQuickWidget::paintEvent(QPaintEvent *event) //Paint everything painter.drawImage(rect(), d->softwareImage); } else { + QTransform transform; + transform.scale(devicePixelRatioF(), devicePixelRatioF()); //Paint only the updated areas const auto rects = d->updateRegion.rects(); for (auto targetRect : rects) { - auto sourceRect = QRect(targetRect.topLeft() * devicePixelRatio(), targetRect.size() * devicePixelRatio()); + auto sourceRect = transform.mapRect(QRectF(targetRect)); painter.drawImage(targetRect, d->softwareImage, sourceRect); } d->updateRegion = QRegion(); |