diff options
author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2016-09-08 23:08:29 +0200 |
---|---|---|
committer | Tor Arne Vestbø <tor.arne.vestbo@theqtcompany.com> | 2016-09-18 14:33:04 +0000 |
commit | 2d2d90781abdcdbd2a98201877563c83d926dd1a (patch) | |
tree | b3815b25635c1f2031c91edf1e2dc7b6b776be4d /src/plugins/platforms/cocoa/qcocoabackingstore.mm | |
parent | 41ab34d9e8b30190dc5aef672625902611663ce5 (diff) |
macOS: Implement QCocoaBackingStore in terms of QRasterBackingStore
The previous detection of device pixel ratio changes in paintDevice()
is not needed, as QBackingStore::beginPaint() already does this check
and calls resize().
Change-Id: I9ee8410fa3a5404c5ec19d2cba4543a9e3359fe9
Reviewed-by: Morten Johan Sørvig <morten.sorvig@qt.io>
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoabackingstore.mm')
-rw-r--r-- | src/plugins/platforms/cocoa/qcocoabackingstore.mm | 72 |
1 files changed, 12 insertions, 60 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoabackingstore.mm b/src/plugins/platforms/cocoa/qcocoabackingstore.mm index 20233518b3..af5418315c 100644 --- a/src/plugins/platforms/cocoa/qcocoabackingstore.mm +++ b/src/plugins/platforms/cocoa/qcocoabackingstore.mm @@ -38,13 +38,13 @@ ****************************************************************************/ #include "qcocoabackingstore.h" -#include <QtGui/QPainter> -#include "qcocoahelpers.h" + +#include "qcocoawindow.h" QT_BEGIN_NAMESPACE QCocoaBackingStore::QCocoaBackingStore(QWindow *window) - : QPlatformBackingStore(window) + : QRasterBackingStore(window) { } @@ -54,69 +54,21 @@ QCocoaBackingStore::~QCocoaBackingStore() [cocoaWindow->m_qtView clearBackingStore:this]; } -QPaintDevice *QCocoaBackingStore::paintDevice() -{ - QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(window()->handle()); - int windowDevicePixelRatio = int(cocoaWindow->devicePixelRatio()); - - // Receate the backing store buffer if the effective buffer size has changed, - // either due to a window resize or devicePixelRatio change. - QSize effectiveBufferSize = m_requestedSize * windowDevicePixelRatio; - if (m_qImage.size() != effectiveBufferSize) { - QImage::Format format = (window()->format().hasAlpha() || cocoaWindow->m_drawContentBorderGradient) - ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32; - m_qImage = QImage(effectiveBufferSize, format); - m_qImage.setDevicePixelRatio(windowDevicePixelRatio); - if (format == QImage::Format_ARGB32_Premultiplied) - m_qImage.fill(Qt::transparent); - } - return &m_qImage; -} - -void QCocoaBackingStore::flush(QWindow *win, const QRegion ®ion, const QPoint &offset) +QImage::Format QCocoaBackingStore::format() const { - if (!m_qImage.isNull()) { - if (QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(win->handle())) - [cocoaWindow->m_qtView flushBackingStore:this region:region offset:offset]; - } -} + if (static_cast<QCocoaWindow *>(window()->handle())->m_drawContentBorderGradient) + return QImage::Format_ARGB32_Premultiplied; -QImage QCocoaBackingStore::toImage() const -{ - return m_qImage; + return QRasterBackingStore::format(); } -void QCocoaBackingStore::resize(const QSize &size, const QRegion &) +void QCocoaBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset) { - m_requestedSize = size; -} + if (m_image.isNull()) + return; -bool QCocoaBackingStore::scroll(const QRegion &area, int dx, int dy) -{ - extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset); - const qreal devicePixelRatio = m_qImage.devicePixelRatio(); - QPoint qpoint(dx * devicePixelRatio, dy * devicePixelRatio); - for (const QRect &rect : area) { - const QRect qrect(rect.topLeft() * devicePixelRatio, rect.size() * devicePixelRatio); - qt_scrollRectInImage(m_qImage, qrect, qpoint); - } - return true; -} - -void QCocoaBackingStore::beginPaint(const QRegion ®ion) -{ - if (m_qImage.hasAlphaChannel()) { - QPainter p(&m_qImage); - p.setCompositionMode(QPainter::CompositionMode_Source); - const QColor blank = Qt::transparent; - for (const QRect &rect : region) - p.fillRect(rect, blank); - } -} - -qreal QCocoaBackingStore::getBackingStoreDevicePixelRatio() -{ - return m_qImage.devicePixelRatio(); + if (QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(window->handle())) + [cocoaWindow->m_qtView flushBackingStore:this region:region offset:offset]; } QT_END_NAMESPACE |