diff options
Diffstat (limited to 'src/plugins/platforms/xcb/qxcbbackingstore.cpp')
-rw-r--r-- | src/plugins/platforms/xcb/qxcbbackingstore.cpp | 45 |
1 files changed, 12 insertions, 33 deletions
diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp index c0f5477f82..44e9a54dc4 100644 --- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp +++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp @@ -313,14 +313,7 @@ void QXcbBackingStore::beginPaint(const QRegion ®ion) if (!m_image) return; - int dpr = int(m_image->image()->devicePixelRatio()); - const int windowDpr = int(window()->devicePixelRatio()); - if (windowDpr != dpr) { - resize(window()->size(), QRegion()); - dpr = int(m_image->image()->devicePixelRatio()); - } - - m_paintRegion = dpr == 1 ? region : QTransform::fromScale(dpr,dpr).map(region); + m_paintRegion = region; m_image->preparePaint(m_paintRegion); if (m_image->image()->hasAlphaChannel()) { @@ -369,18 +362,10 @@ void QXcbBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoin if (!m_image || m_image->size().isEmpty()) return; - const int dpr = int(window->devicePixelRatio()); - -#ifndef QT_NO_DEBUG - const int imageDpr = int(m_image->image()->devicePixelRatio()); - if (dpr != imageDpr) - qWarning() << "QXcbBackingStore::flush() wrong devicePixelRatio for backingstore image" << dpr << imageDpr; -#endif - - QSize imageSize = m_image->size() / dpr; //because we multiply with the DPR later + QSize imageSize = m_image->size(); QRegion clipped = region; - clipped &= QRect(0, 0, window->width(), window->height()); + clipped &= QRect(QPoint(), window->size()); clipped &= QRect(0, 0, imageSize.width(), imageSize.height()).translated(-offset); QRect bounds = clipped.boundingRect(); @@ -398,8 +383,8 @@ void QXcbBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoin QVector<QRect> rects = clipped.rects(); for (int i = 0; i < rects.size(); ++i) { - QRect rect = QRect(rects.at(i).topLeft() * dpr, rects.at(i).size() * dpr); - m_image->put(platformWindow->xcb_window(), rect.topLeft(), rect.translated(offset * dpr)); + QRect rect = QRect(rects.at(i).topLeft(), rects.at(i).size()); + m_image->put(platformWindow->xcb_window(), rect.topLeft(), rect.translated(offset)); } Q_XCB_NOOP(connection()); @@ -430,9 +415,7 @@ void QXcbBackingStore::composeAndFlush(QWindow *window, const QRegion ®ion, c void QXcbBackingStore::resize(const QSize &size, const QRegion &) { - const int dpr = int(window()->devicePixelRatio()); - const QSize xSize = size * dpr; - if (m_image && xSize == m_image->size() && dpr == m_image->image()->devicePixelRatio()) + if (m_image && size == m_image->size()) return; Q_XCB_NOOP(connection()); @@ -445,13 +428,11 @@ void QXcbBackingStore::resize(const QSize &size, const QRegion &) QXcbWindow* win = static_cast<QXcbWindow *>(pw); delete m_image; - m_image = new QXcbShmImage(screen, xSize, win->depth(), win->imageFormat()); - m_image->image()->setDevicePixelRatio(dpr); + m_image = new QXcbShmImage(screen, size, win->depth(), win->imageFormat()); // Slow path for bgr888 VNC: Create an additional image, paint into that and // swap R and B while copying to m_image after each paint. if (win->imageNeedsRgbSwap()) { - m_rgbImage = QImage(xSize, win->imageFormat()); - m_rgbImage.setDevicePixelRatio(dpr); + m_rgbImage = QImage(size, win->imageFormat()); } Q_XCB_NOOP(connection()); } @@ -463,14 +444,12 @@ bool QXcbBackingStore::scroll(const QRegion &area, int dx, int dy) if (!m_image || m_image->image()->isNull()) return false; - const int dpr = int(m_image->image()->devicePixelRatio()); - QRegion xArea = dpr == 1 ? area : QTransform::fromScale(dpr,dpr).map(area); m_image->preparePaint(area); - QPoint delta(dx * dpr, dy * dpr); - const QVector<QRect> xRects = xArea.rects(); - for (int i = 0; i < xRects.size(); ++i) - qt_scrollRectInImage(*m_image->image(), xRects.at(i), delta); + QPoint delta(dx, dy); + const QVector<QRect> rects = area.rects(); + for (int i = 0; i < rects.size(); ++i) + qt_scrollRectInImage(*m_image->image(), rects.at(i), delta); return true; } |