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>
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@ -62,13 +62,20 @@ void QRasterBackingStore::resize(const QSize &size, const QRegion &staticContent
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if (m_image.size() == effectiveBufferSize)
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if (m_image.size() == effectiveBufferSize)
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return;
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return;
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QImage::Format format = window()->format().hasAlpha() ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
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m_image = QImage(effectiveBufferSize, format());
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m_image = QImage(effectiveBufferSize, format);
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m_image.setDevicePixelRatio(windowDevicePixelRatio);
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m_image.setDevicePixelRatio(windowDevicePixelRatio);
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if (format == QImage::Format_ARGB32_Premultiplied)
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if (m_image.format() == QImage::Format_ARGB32_Premultiplied)
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m_image.fill(Qt::transparent);
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m_image.fill(Qt::transparent);
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}
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}
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QImage::Format QRasterBackingStore::format() const
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{
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if (window()->format().hasAlpha())
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return QImage::Format_ARGB32_Premultiplied;
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else
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return QImage::Format_RGB32;
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}
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QPaintDevice *QRasterBackingStore::paintDevice()
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QPaintDevice *QRasterBackingStore::paintDevice()
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{
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{
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return &m_image;
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return &m_image;
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@ -62,13 +62,16 @@ public:
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QRasterBackingStore(QWindow *window);
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QRasterBackingStore(QWindow *window);
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~QRasterBackingStore();
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~QRasterBackingStore();
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QPaintDevice *paintDevice() Q_DECL_OVERRIDE;
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void resize(const QSize &size, const QRegion &staticContents) Q_DECL_OVERRIDE;
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QImage toImage() const Q_DECL_OVERRIDE;
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void resize (const QSize &size, const QRegion &) Q_DECL_OVERRIDE;
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bool scroll(const QRegion &area, int dx, int dy) Q_DECL_OVERRIDE;
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bool scroll(const QRegion &area, int dx, int dy) Q_DECL_OVERRIDE;
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void beginPaint(const QRegion ®ion) Q_DECL_OVERRIDE;
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void beginPaint(const QRegion ®ion) Q_DECL_OVERRIDE;
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QPaintDevice *paintDevice() Q_DECL_OVERRIDE;
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QImage toImage() const Q_DECL_OVERRIDE;
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protected:
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protected:
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virtual QImage::Format format() const;
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QImage m_image;
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QImage m_image;
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};
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};
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@ -29,6 +29,6 @@ unix:!darwin:qtConfig(dbus) {
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include(dbusmenu/dbusmenu.pri)
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include(dbusmenu/dbusmenu.pri)
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include(dbustray/dbustray.pri)
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include(dbustray/dbustray.pri)
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}
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}
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uikit: include(graphics/graphics.pri)
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darwin: include(graphics/graphics.pri)
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load(qt_module)
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load(qt_module)
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@ -40,33 +40,20 @@
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#ifndef QBACKINGSTORE_COCOA_H
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#ifndef QBACKINGSTORE_COCOA_H
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#define QBACKINGSTORE_COCOA_H
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#define QBACKINGSTORE_COCOA_H
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#include <AppKit/AppKit.h>
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#include <QtPlatformSupport/private/qrasterbackingstore_p.h>
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#include "qcocoawindow.h"
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#include "qnsview.h"
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#include <qpa/qplatformbackingstore.h>
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QT_BEGIN_NAMESPACE
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QT_BEGIN_NAMESPACE
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class QCocoaBackingStore : public QPlatformBackingStore
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class QCocoaBackingStore : public QRasterBackingStore
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{
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{
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public:
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public:
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QCocoaBackingStore(QWindow *window);
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QCocoaBackingStore(QWindow *window);
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~QCocoaBackingStore();
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~QCocoaBackingStore();
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QPaintDevice *paintDevice() Q_DECL_OVERRIDE;
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void flush(QWindow *, const QRegion &, const QPoint &) Q_DECL_OVERRIDE;
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void flush(QWindow *widget, const QRegion ®ion, const QPoint &offset) Q_DECL_OVERRIDE;
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QImage toImage() const Q_DECL_OVERRIDE;
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void resize (const QSize &size, const QRegion &) Q_DECL_OVERRIDE;
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bool scroll(const QRegion &area, int dx, int dy) Q_DECL_OVERRIDE;
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void beginPaint(const QRegion ®ion) Q_DECL_OVERRIDE;
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qreal getBackingStoreDevicePixelRatio();
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private:
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private:
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QImage m_qImage;
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QImage::Format format() const Q_DECL_OVERRIDE;
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QSize m_requestedSize;
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};
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};
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QT_END_NAMESPACE
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QT_END_NAMESPACE
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@ -38,13 +38,13 @@
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****************************************************************************/
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****************************************************************************/
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#include "qcocoabackingstore.h"
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#include "qcocoabackingstore.h"
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#include <QtGui/QPainter>
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#include "qcocoahelpers.h"
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#include "qcocoawindow.h"
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QT_BEGIN_NAMESPACE
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QT_BEGIN_NAMESPACE
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QCocoaBackingStore::QCocoaBackingStore(QWindow *window)
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QCocoaBackingStore::QCocoaBackingStore(QWindow *window)
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: QPlatformBackingStore(window)
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: QRasterBackingStore(window)
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{
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{
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}
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}
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@ -54,69 +54,21 @@ QCocoaBackingStore::~QCocoaBackingStore()
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[cocoaWindow->m_qtView clearBackingStore:this];
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[cocoaWindow->m_qtView clearBackingStore:this];
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}
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}
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QPaintDevice *QCocoaBackingStore::paintDevice()
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QImage::Format QCocoaBackingStore::format() const
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{
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{
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QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(window()->handle());
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if (static_cast<QCocoaWindow *>(window()->handle())->m_drawContentBorderGradient)
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int windowDevicePixelRatio = int(cocoaWindow->devicePixelRatio());
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return QImage::Format_ARGB32_Premultiplied;
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// Receate the backing store buffer if the effective buffer size has changed,
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return QRasterBackingStore::format();
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// either due to a window resize or devicePixelRatio change.
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QSize effectiveBufferSize = m_requestedSize * windowDevicePixelRatio;
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if (m_qImage.size() != effectiveBufferSize) {
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QImage::Format format = (window()->format().hasAlpha() || cocoaWindow->m_drawContentBorderGradient)
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? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32;
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m_qImage = QImage(effectiveBufferSize, format);
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m_qImage.setDevicePixelRatio(windowDevicePixelRatio);
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if (format == QImage::Format_ARGB32_Premultiplied)
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m_qImage.fill(Qt::transparent);
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}
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return &m_qImage;
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}
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}
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void QCocoaBackingStore::flush(QWindow *win, const QRegion ®ion, const QPoint &offset)
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void QCocoaBackingStore::flush(QWindow *window, const QRegion ®ion, const QPoint &offset)
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{
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{
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if (!m_qImage.isNull()) {
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if (m_image.isNull())
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if (QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(win->handle()))
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return;
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if (QCocoaWindow *cocoaWindow = static_cast<QCocoaWindow *>(window->handle()))
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[cocoaWindow->m_qtView flushBackingStore:this region:region offset:offset];
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[cocoaWindow->m_qtView flushBackingStore:this region:region offset:offset];
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}
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}
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QImage QCocoaBackingStore::toImage() const
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{
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return m_qImage;
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}
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void QCocoaBackingStore::resize(const QSize &size, const QRegion &)
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{
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m_requestedSize = size;
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}
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bool QCocoaBackingStore::scroll(const QRegion &area, int dx, int dy)
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{
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extern void qt_scrollRectInImage(QImage &img, const QRect &rect, const QPoint &offset);
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const qreal devicePixelRatio = m_qImage.devicePixelRatio();
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QPoint qpoint(dx * devicePixelRatio, dy * devicePixelRatio);
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for (const QRect &rect : area) {
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const QRect qrect(rect.topLeft() * devicePixelRatio, rect.size() * devicePixelRatio);
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qt_scrollRectInImage(m_qImage, qrect, qpoint);
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}
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return true;
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}
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void QCocoaBackingStore::beginPaint(const QRegion ®ion)
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{
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if (m_qImage.hasAlphaChannel()) {
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QPainter p(&m_qImage);
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p.setCompositionMode(QPainter::CompositionMode_Source);
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const QColor blank = Qt::transparent;
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for (const QRect &rect : region)
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p.fillRect(rect, blank);
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}
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}
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qreal QCocoaBackingStore::getBackingStoreDevicePixelRatio()
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{
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return m_qImage.devicePixelRatio();
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}
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}
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QT_END_NAMESPACE
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QT_END_NAMESPACE
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@ -495,7 +495,7 @@ static bool _q_dontOverrideCtrlLMB = false;
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qCDebug(lcQpaCocoaWindow) << "[QNSView flushBackingStore:]" << m_window << region.rectCount() << region.boundingRect() << offset;
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qCDebug(lcQpaCocoaWindow) << "[QNSView flushBackingStore:]" << m_window << region.rectCount() << region.boundingRect() << offset;
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m_backingStore = backingStore;
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m_backingStore = backingStore;
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m_backingStoreOffset = offset * m_backingStore->getBackingStoreDevicePixelRatio();
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m_backingStoreOffset = offset * m_backingStore->paintDevice()->devicePixelRatio();
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for (const QRect &rect : region)
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for (const QRect &rect : region)
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[self setNeedsDisplayInRect:NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height())];
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[self setNeedsDisplayInRect:NSMakeRect(rect.x(), rect.y(), rect.width(), rect.height())];
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}
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}
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@ -577,7 +577,7 @@ static bool _q_dontOverrideCtrlLMB = false;
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// The backing store source rect will be larger on retina displays.
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// The backing store source rect will be larger on retina displays.
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// Scale dirtyRect by the device pixel ratio:
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// Scale dirtyRect by the device pixel ratio:
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const qreal devicePixelRatio = m_backingStore->getBackingStoreDevicePixelRatio();
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const qreal devicePixelRatio = m_backingStore->paintDevice()->devicePixelRatio();
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CGRect dirtyBackingRect = CGRectMake(dirtyRect.origin.x * devicePixelRatio,
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CGRect dirtyBackingRect = CGRectMake(dirtyRect.origin.x * devicePixelRatio,
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dirtyRect.origin.y * devicePixelRatio,
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dirtyRect.origin.y * devicePixelRatio,
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dirtyRect.size.width * devicePixelRatio,
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dirtyRect.size.width * devicePixelRatio,
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