void tst_QRegion::clipRectangles()
{
QRegion region(30, 30, 30, 30);
int num = 0;
qt_getClipRects(region, num);
QCOMPARE(num, 1);
region += QRegion(10, 10, 10, 10);
XRectangle *rects2 = static_cast<XRectangle *>(qt_getClipRects(region, num));
QCOMPARE(num, 2);
// Here's the important part (Y-sorted):
QCOMPARE(int(rects2[0].y), 10);
QCOMPARE(int(rects2[1].y), 30);
}
void QX11WindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
if (d_ptr->device.isNull())
return;
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
QRegion wrgn(rgn);
QRect br = rgn.boundingRect();
if (!wOffset.isNull())
wrgn.translate(-wOffset);
QRect wbr = wrgn.boundingRect();
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
if (num <= 0)
return;
// qDebug() << "XSetClipRectangles";
// for (int i = 0; i < num; ++i)
// qDebug() << ' ' << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;
if (num != 1)
XSetClipRectangles(X11->display, gc, 0, 0, rects, num, YXBanded);
XCopyArea(X11->display, d_ptr->device.handle(), widget->handle(), gc,
br.x() + offset.x(), br.y() + offset.y(), br.width(), br.height(), wbr.x(), wbr.y());
if (num != 1)
XSetClipMask(X11->display, gc, XNone);
}
void QX11WindowSurface::setGeometry(const QRect &rect)
{
QWindowSurface::setGeometry(rect);
const QSize size = rect.size();
if (d_ptr->device.size() == size || size.width() <= 0 || size.height() <= 0)
return;
#ifndef QT_NO_XRENDER
if (d_ptr->translucentBackground) {
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
data->xinfo = d_ptr->widget->x11Info();
data->resize(size.width(), size.height());
d_ptr->device = QPixmap(data);
} else
#endif
{
QPixmap::x11SetDefaultScreen(d_ptr->widget->x11Info().screen());
QX11PixmapData *oldData = static_cast<QX11PixmapData *>(d_ptr->device.pixmapData());
if (oldData && !(oldData->flags & QX11PixmapData::Uninitialized) && hasStaticContents()) {
// Copy the content of the old pixmap into the new one.
QX11PixmapData *newData = new QX11PixmapData(QPixmapData::PixmapType);
newData->resize(size.width(), size.height());
Q_ASSERT(oldData->d == newData->d);
QRegion staticRegion(staticContents());
// Make sure we're inside the boundaries of the old pixmap.
staticRegion &= QRect(0, 0, oldData->w, oldData->h);
const QRect boundingRect(staticRegion.boundingRect());
const int dx = boundingRect.x();
const int dy = boundingRect.y();
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(staticRegion, num);
GC tmpGc = XCreateGC(X11->display, oldData->hd, 0, 0);
XSetClipRectangles(X11->display, tmpGc, 0, 0, rects, num, YXBanded);
XCopyArea(X11->display, oldData->hd, newData->hd, tmpGc,
dx, dy, qMin(boundingRect.width(), size.width()),
qMin(boundingRect.height(), size.height()), dx, dy);
XFreeGC(X11->display, tmpGc);
newData->flags &= ~QX11PixmapData::Uninitialized;
d_ptr->device = QPixmap(newData);
} else {
d_ptr->device = QPixmap(size);
}
}
if (gc) {
XFreeGC(X11->display, gc);
gc = 0;
}
if (!d_ptr->device.isNull()) {
gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);
XSetGraphicsExposures(X11->display, gc, False);
}
}
void QX11WindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
if (d_ptr->device.isNull())
return;
#ifndef Q_FLATTEN_EXPOSE
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
extern QWidgetData* qt_widget_data(QWidget *);
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
GC gc = XCreateGC(X11->display, d_ptr->device.handle(), 0, 0);
QRegion wrgn(rgn);
QRect br = rgn.boundingRect();
if (!wOffset.isNull())
wrgn.translate(-wOffset);
QRect wbr = wrgn.boundingRect();
// #### why dirty widget here? should be up to date already
// if (br.right() + offset.x() >= d_ptr->device.size().width() || br.bottom() + offset.y() >= d_ptr->device.size().height()) {
// // QRegion dirty = rgn - QRect(-offset, d_ptr->device.size());
// // qDebug() << dirty;
// widget->d_func()->dirtyWidget_sys(rgn - QRect(-offset, d_ptr->device.size()));
// }
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
// qDebug() << "XSetClipRectangles";
// for (int i = 0; i < num; ++i)
// qDebug() << " " << i << rects[i].x << rects[i].x << rects[i].y << rects[i].width << rects[i].height;
XSetClipRectangles(X11->display, gc, 0, 0, rects, num, YXBanded);
#else
Q_UNUSED(rgn);
XGCValues values;
values.subwindow_mode = IncludeInferiors;
GC gc = XCreateGC(X11->display, d_ptr->device.handle(), GCSubwindowMode, &values);
#endif
XSetGraphicsExposures(X11->display, gc, False);
// XFillRectangle(X11->display, widget->handle(), gc, 0, 0, widget->width(), widget->height());
#ifndef Q_FLATTEN_EXPOSE
XCopyArea(X11->display, d_ptr->device.handle(), widget->handle(), gc,
br.x() + offset.x(), br.y() + offset.y(), br.width(), br.height(), wbr.x(), wbr.y());
#else
Q_ASSERT(widget->isWindow());
XCopyArea(X11->display, d_ptr->device.handle(), widget->handle(), gc,
offset.x(), offset.y(), widget->width(), widget->height(), 0, 0);
#endif
XFreeGC(X11->display, gc);
}
void QX11GLWindowSurface::flush(QWidget *widget, const QRegion &widgetRegion, const QPoint &offset)
{
// We don't need to know the widget which initiated the flush. Instead we just use the offset
// to translate the widgetRegion:
Q_UNUSED(widget);
if (m_backBuffer.isNull()) {
qDebug("QX11GLWindowSurface::flush() - backBuffer is null, not flushing anything");
return;
}
Q_ASSERT(window()->size() != m_backBuffer.size());
// Wait for all GL rendering to the back buffer pixmap to complete before trying to
// copy it to the window. We do this by making sure the pixmap's context is current
// and then call eglWaitClient. The EGL 1.4 spec says eglWaitClient doesn't have to
// block, just that "All rendering calls...are guaranteed to be executed before native
// rendering calls". This makes it potentially less expensive than glFinish.
QGLContext* ctx = static_cast<QX11GLPixmapData*>(m_backBuffer.data_ptr().data())->context();
if (QGLContext::currentContext() != ctx && ctx && ctx->isValid())
ctx->makeCurrent();
eglWaitClient();
if (m_windowGC == 0) {
XGCValues attribs;
attribs.graphics_exposures = False;
m_windowGC = XCreateGC(X11->display, m_window->handle(), GCGraphicsExposures, &attribs);
}
int rectCount;
XRectangle *rects = (XRectangle *)qt_getClipRects(widgetRegion, rectCount);
if (rectCount <= 0)
return;
XSetClipRectangles(X11->display, m_windowGC, 0, 0, rects, rectCount, YXBanded);
QRect dirtyRect = widgetRegion.boundingRect().translated(-offset);
XCopyArea(X11->display, m_backBuffer.handle(), m_window->handle(), m_windowGC,
dirtyRect.x(), dirtyRect.y(), dirtyRect.width(), dirtyRect.height(),
dirtyRect.x(), dirtyRect.y());
// Make sure the blit of the update from the back buffer to the window completes
// before allowing rendering to start again to the back buffer. Otherwise the GPU
// might start rendering to the back buffer again while the blit takes place.
eglWaitNative(EGL_CORE_NATIVE_ENGINE);
}
void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
Q_D(QRasterWindowSurface);
// Not ready for painting yet, bail out. This can happen in
// QWidget::create_sys()
if (!d->image || rgn.rectCount() == 0)
return;
#ifdef Q_WS_WIN
QRect br = rgn.boundingRect();
if (!qt_widget_private(window())->isOpaque
&& window()->testAttribute(Qt::WA_TranslucentBackground)
&& (qt_widget_private(window())->data.window_flags & Qt::FramelessWindowHint))
{
QRect r = window()->frameGeometry();
QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
QRect dirtyRect = br.translated(offset + frameOffset);
SIZE size = {r.width(), r.height()};
POINT ptDst = {r.x(), r.y()};
POINT ptSrc = {0, 0};
BLENDFUNCTION blend = {AC_SRC_OVER, 0, (BYTE)(255.0 * window()->windowOpacity()), Q_AC_SRC_ALPHA};
RECT dirty = {dirtyRect.x(), dirtyRect.y(),
dirtyRect.x() + dirtyRect.width(), dirtyRect.y() + dirtyRect.height()};
Q_UPDATELAYEREDWINDOWINFO info = {sizeof(info), NULL, &ptDst, &size, d->image->hdc, &ptSrc, 0, &blend, Q_ULW_ALPHA, &dirty};
ptrUpdateLayeredWindowIndirect(window()->internalWinId(), &info);
} else
{
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
HDC widget_dc = widget->getDC();
QRect wbr = br.translated(-wOffset);
BitBlt(widget_dc, wbr.x(), wbr.y(), wbr.width(), wbr.height(),
d->image->hdc, br.x() + offset.x(), br.y() + offset.y(), SRCCOPY);
widget->releaseDC(widget_dc);
}
#ifndef QT_NO_DEBUG
static bool flush = !qgetenv("QT_FLUSH_WINDOWSURFACE").isEmpty();
if (flush) {
SelectObject(qt_win_display_dc(), GetStockObject(BLACK_BRUSH));
Rectangle(qt_win_display_dc(), 0, 0, d->image->width() + 2, d->image->height() + 2);
BitBlt(qt_win_display_dc(), 1, 1, d->image->width(), d->image->height(),
d->image->hdc, 0, 0, SRCCOPY);
}
#endif
#endif
#ifdef Q_WS_X11
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
extern QWidgetData* qt_widget_data(QWidget *);
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
if (widget->window() != window()) {
XFreeGC(X11->display, d_ptr->gc);
d_ptr->gc = XCreateGC(X11->display, widget->handle(), 0, 0);
}
QRegion wrgn(rgn);
if (!wOffset.isNull())
wrgn.translate(-wOffset);
if (wrgn.rectCount() != 1) {
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
XSetClipRectangles(X11->display, d_ptr->gc, 0, 0, rects, num, YXBanded);
}
QPoint widgetOffset = offset + wOffset;
QRect clipRect = widget->rect().translated(widgetOffset).intersected(d_ptr->image->image.rect());
QRect br = rgn.boundingRect().translated(offset).intersected(clipRect);
QPoint wpos = br.topLeft() - widgetOffset;
#ifndef QT_NO_MITSHM
if (d_ptr->image->xshmpm) {
XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
br.x(), br.y(), br.width(), br.height(), wpos.x(), wpos.y());
d_ptr->needsSync = true;
} else if (d_ptr->image->xshmimg) {
XShmPutImage(X11->display, widget->handle(), d_ptr->gc, d_ptr->image->xshmimg,
br.x(), br.y(), wpos.x(), wpos.y(), br.width(), br.height(), False);
d_ptr->needsSync = true;
} else
#endif
{
int depth = widget->x11Info().depth();
const QImage &src = d->image->image;
if (src.format() != QImage::Format_RGB32 || depth < 24 || X11->bppForDepth.value(depth) != 32) {
Q_ASSERT(src.depth() >= 16);
const QImage sub_src(src.scanLine(br.y()) + br.x() * (uint(src.depth()) / 8),
br.width(), br.height(), src.bytesPerLine(), src.format());
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
data->xinfo = widget->x11Info();
data->fromImage(sub_src, Qt::NoOpaqueDetection);
QPixmap pm = QPixmap(data);
XCopyArea(X11->display, pm.handle(), widget->handle(), d_ptr->gc, 0 , 0 , br.width(), br.height(), wpos.x(), wpos.y());
} else {
// qpaintengine_x11.cpp
extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
qt_x11_drawImage(br, wpos, src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), depth);
}
}
if (wrgn.rectCount() != 1)
XSetClipMask(X11->display, d_ptr->gc, XNone);
#endif // FALCON
#ifdef Q_WS_MAC
Q_UNUSED(offset);
// This is mainly done for native components like native "open file" dialog.
if (widget->testAttribute(Qt::WA_DontShowOnScreen)) {
return;
}
#ifdef QT_MAC_USE_COCOA
this->needsFlush = true;
this->regionToFlush += rgn;
// The actual flushing will be processed in [view drawRect:rect]
qt_mac_setNeedsDisplay(widget);
#else
// Get a context for the widget.
CGContextRef context;
CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
QDBeginCGContext(port, &context);
CGContextRetain(context);
CGContextSaveGState(context);
// Flip context.
CGContextTranslateCTM(context, 0, widget->height());
CGContextScaleCTM(context, 1, -1);
// Clip to region.
const QVector<QRect> &rects = rgn.rects();
for (int i = 0; i < rects.size(); ++i) {
const QRect &rect = rects.at(i);
CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
}
CGContextClip(context);
QRect r = rgn.boundingRect().intersected(d->image->image.rect());
const CGRect area = CGRectMake(r.x(), r.y(), r.width(), r.height());
CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
CGImageRef subImage = CGImageCreateWithImageInRect(image, area);
qt_mac_drawCGImage(context, &area, subImage);
CGImageRelease(subImage);
CGImageRelease(image);
QDEndCGContext(port, &context);
// Restore context.
CGContextRestoreGState(context);
CGContextRelease(context);
#endif // QT_MAC_USE_COCOA
#endif // Q_WS_MAC
}
void QRasterWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
{
Q_D(QRasterWindowSurface);
// Not ready for painting yet, bail out. This can happen in
// QWidget::create_sys()
if (!d->image)
return;
#ifdef Q_WS_WIN
QRect br = rgn.boundingRect();
#ifndef Q_OS_WINCE
if (!qt_widget_private(window())->isOpaque && d->canUseLayeredWindow) {
QRect r = window()->frameGeometry();
QPoint frameOffset = qt_widget_private(window())->frameStrut().topLeft();
QRect dirtyRect = br.translated(offset + frameOffset);
SIZE size = {r.width(), r.height()};
POINT ptDst = {r.x(), r.y()};
POINT ptSrc = {0, 0};
Q_BLENDFUNCTION blend = {AC_SRC_OVER, 0, (int)(255.0 * window()->windowOpacity()), Q_AC_SRC_ALPHA};
RECT dirty = {dirtyRect.x(), dirtyRect.y(),
dirtyRect.x() + dirtyRect.width(), dirtyRect.y() + dirtyRect.height()};
Q_UPDATELAYEREDWINDOWINFO info = {sizeof(info), NULL, &ptDst, &size, d->image->hdc, &ptSrc, 0, &blend, Q_ULW_ALPHA, &dirty};
(*ptrUpdateLayeredWindowIndirect)(window()->internalWinId(), &info);
} else
#endif
{
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
HDC widget_dc = widget->getDC();
QRect wbr = br.translated(-wOffset);
BitBlt(widget_dc, wbr.x(), wbr.y(), wbr.width(), wbr.height(),
d->image->hdc, br.x() + offset.x(), br.y() + offset.y(), SRCCOPY);
widget->releaseDC(widget_dc);
}
#ifndef QT_NO_DEBUG
static bool flush = !qgetenv("QT_FLUSH_WINDOWSURFACE").isEmpty();
if (flush) {
SelectObject(qt_win_display_dc(), GetStockObject(BLACK_BRUSH));
Rectangle(qt_win_display_dc(), 0, 0, d->image->width() + 2, d->image->height() + 2);
BitBlt(qt_win_display_dc(), 1, 1, d->image->width(), d->image->height(),
d->image->hdc, 0, 0, SRCCOPY);
}
#endif
#endif
#ifdef Q_WS_X11
extern void *qt_getClipRects(const QRegion &r, int &num); // in qpaintengine_x11.cpp
extern QWidgetData* qt_widget_data(QWidget *);
QPoint wOffset = qt_qwidget_data(widget)->wrect.topLeft();
if (widget->window() != window()) {
XFreeGC(X11->display, d_ptr->gc);
d_ptr->gc = XCreateGC(X11->display, widget->handle(), 0, 0);
}
QRegion wrgn(rgn);
if (!wOffset.isNull())
wrgn.translate(-wOffset);
QRect wbr = wrgn.boundingRect();
int num;
XRectangle *rects = (XRectangle *)qt_getClipRects(wrgn, num);
XSetClipRectangles(X11->display, d_ptr->gc, 0, 0, rects, num, YXBanded);
QRect br = rgn.boundingRect().translated(offset);
#ifndef QT_NO_MITSHM
if (d_ptr->image->xshmpm) {
XCopyArea(X11->display, d_ptr->image->xshmpm, widget->handle(), d_ptr->gc,
br.x(), br.y(), br.width(), br.height(), wbr.x(), wbr.y());
XSync(X11->display, False);
} else
#endif
{
const QImage &src = d->image->image;
br = br.intersected(src.rect());
if (src.format() != QImage::Format_RGB32) {
QX11PixmapData *data = new QX11PixmapData(QPixmapData::PixmapType);
data->xinfo = widget->x11Info();
data->fromImage(src, Qt::AutoColor);
QPixmap pm = QPixmap(data);
XCopyArea(X11->display, pm.handle(), widget->handle(), d_ptr->gc, br.x() , br.y() , br.width(), br.height(), wbr.x(), wbr.y());
} else {
// qpaintengine_x11.cpp
extern void qt_x11_drawImage(const QRect &rect, const QPoint &pos, const QImage &image, Drawable hd, GC gc, Display *dpy, Visual *visual, int depth);
qt_x11_drawImage(br, wbr.topLeft(), src, widget->handle(), d_ptr->gc, X11->display, (Visual *)widget->x11Info().visual(), widget->x11Info().depth());
}
}
#endif // FALCON
#ifdef Q_WS_MAC
// qDebug() << "Flushing" << widget << rgn << offset;
// d->image->image.save("flush.png");
// Get a context for the widget.
#ifndef QT_MAC_USE_COCOA
CGContextRef context;
CGrafPtr port = GetWindowPort(qt_mac_window_for(widget));
QDBeginCGContext(port, &context);
#else
extern CGContextRef qt_mac_graphicsContextFor(QWidget *);
CGContextRef context = qt_mac_graphicsContextFor(widget);
#endif
CGContextSaveGState(context);
// Flip context.
CGContextTranslateCTM(context, 0, widget->height());
CGContextScaleCTM(context, 1, -1);
// Clip to region.
const QVector<QRect> &rects = rgn.rects();
for (int i = 0; i < rects.size(); ++i) {
const QRect &rect = rects.at(i);
CGContextAddRect(context, CGRectMake(rect.x(), rect.y(), rect.width(), rect.height()));
}
CGContextClip(context);
QRect r = rgn.boundingRect();
const CGRect area = CGRectMake(r.x(), r.y(), r.width(), r.height());
CGImageRef image = CGBitmapContextCreateImage(d->image->cg);
CGImageRef subImage = CGImageCreateWithImageInRect(image, area);
qt_mac_drawCGImage(context, &area, subImage);
CGImageRelease(subImage);
CGImageRelease(image);
// CGSize size = { d->image->image.width(), d->image->image.height() };
// CGLayerRef layer = CGLayerCreateWithContext(d->image->cg, size, 0);
// CGPoint pt = { 0, 0 };
// CGContextDrawLayerAtPoint(context, pt, layer);
// CGLayerRelease(layer);
// Restore context.
CGContextRestoreGState(context);
#ifndef QT_MAC_USE_COCOA
QDEndCGContext(port, &context);
#else
CGContextFlush(context);
#endif
#endif
}
