void QUnifiedToolbarSurface::renderToolbar(QWidget *widget, bool forceFlush)
{
QWidget *toolbar = widget->d_func()->toolbar_ancestor;
updateToolbarOffset(toolbar);
QRect beginPaintRect(toolbar->d_func()->toolbar_offset.x(), toolbar->d_func()->toolbar_offset.y(), toolbar->geometry().width(), toolbar->geometry().height());
QRegion beginPaintRegion(beginPaintRect);
beginPaint(beginPaintRegion);
toolbar->render(paintDevice(), toolbar->d_func()->toolbar_offset, QRegion(toolbar->geometry()), QWidget::DrawChildren);
toolbar->d_func()->flushRequested = true;
if (forceFlush)
flush(toolbar);
}
int Setup()
{
initWindow ("Test", DEFAULT, DEFAULT, 800, 600);
initConsole();
printf("Hello\n");
beginPaint ();
line(10, 10, 100, 100);
endPaint();
return 0;
}
//-------------------------------------------------------------------------------------------------
Action* FlattenBrush::applyHeightToSelection(float height)
{
beginPaint();
for (size_t j = 0; j < land->realVerticesMapSide; ++j)
{
for (size_t i = 0; i < land->realVerticesMapSide; ++i)
{
if (land->isVertexSelected(j, i))
{
flattenVertex(j, i, height);
}
}
}
return endPaint();
}
void paint() {
static const int ox = 150;
static const int oy = 150;
static const int hl = 46;
static const int ml = 74;
static const int sl = 120;
int i;
beginPaint();
clearDevice();
// circle
setPenWidth(2);
setPenColor(BLACK);
setBrushColor(WHITE);
ellipse(25, 25, 275, 275);
// label
setPenWidth(1);
setPenColor(BLACK);
for (i = 0; i < 12; ++i) {
moveTo(ox + 115 * sin(RAD(180 - i * 30)), oy + 115 * cos(RAD(180 - i * 30)));
lineTo(ox + 125 * sin(RAD(180 - i * 30)), oy + 125 * cos(RAD(180 - i * 30)));
}
// hour
setPenWidth(8);
setPenColor(BLACK);
moveTo(ox, oy);
lineTo(ox + hl * sin(RAD(180 - h * 30)), oy + hl * cos(RAD(180 - h * 30)));
// minute
setPenWidth(4);
setPenColor(GREEN);
moveTo(ox, oy);
lineTo(ox + ml * sin(RAD(180 - m * 6)), oy + ml * cos(RAD(180 - m * 6)));
// second
setPenWidth(2);
setPenColor(RED);
moveTo(ox, oy);
lineTo(ox + sl * sin(RAD(180 - s * 6)), oy + sl * cos(RAD(180 - s * 6)));
endPaint();
}
int printCDBar(tankClass tank) {
int barWidth=tank.width+10;
int barHeight=10;
int barRelHeight=10;
int width;
int barX,barY;
int color;
int delta;
double percent;
barX=tank.x;
barY=tank.y+tank.width/2+barRelHeight;
percent=(double)(MAXCD-tank.fireCD)/MAXCD;
width=percent*barWidth;
color=255*percent;
delta=(128-abs(128-color))/2;
beginPaint();
setBrushColor(RGB(255-color+delta,color+delta,0));
rectangle(barX-barWidth/2,barY-barHeight/2,barX-barWidth/2+width,barY+barHeight/2);
endPaint();
}
/*!
Synchronizes the backing store, i.e. dirty areas are repainted and flushed.
*/
void QWidgetBackingStore::sync()
{
QTLWExtra *tlwExtra = tlw->d_func()->maybeTopData();
if (discardSyncRequest(tlw, tlwExtra)) {
// If the top-level is minimized, it's not visible on the screen so we can delay the
// update until it's shown again. In order to do that we must keep the dirty states.
// These will be cleared when we receive the first expose after showNormal().
// However, if the widget is not visible (isVisible() returns false), everything will
// be invalidated once the widget is shown again, so clear all dirty states.
if (!tlw->isVisible()) {
dirty = QRegion();
for (int i = 0; i < dirtyWidgets.size(); ++i)
resetWidget(dirtyWidgets.at(i));
dirtyWidgets.clear();
fullUpdatePending = false;
}
return;
}
const bool updatesDisabled = !tlw->updatesEnabled();
bool repaintAllWidgets = false;
const bool inTopLevelResize = tlwExtra->inTopLevelResize;
const QRect tlwRect(tlw->data->crect);
const QRect surfaceGeometry(windowSurface->geometry());
if ((fullUpdatePending || inTopLevelResize || surfaceGeometry.size() != tlwRect.size()) && !updatesDisabled) {
if (hasStaticContents()) {
// Repaint existing dirty area and newly visible area.
const QRect clipRect(0, 0, surfaceGeometry.width(), surfaceGeometry.height());
const QRegion staticRegion(staticContents(0, clipRect));
QRegion newVisible(0, 0, tlwRect.width(), tlwRect.height());
newVisible -= staticRegion;
dirty += newVisible;
windowSurface->setStaticContents(staticRegion);
} else {
// Repaint everything.
dirty = QRegion(0, 0, tlwRect.width(), tlwRect.height());
for (int i = 0; i < dirtyWidgets.size(); ++i)
resetWidget(dirtyWidgets.at(i));
dirtyWidgets.clear();
repaintAllWidgets = true;
}
}
if (inTopLevelResize || surfaceGeometry != tlwRect)
windowSurface->setGeometry(tlwRect);
if (updatesDisabled)
return;
if (hasDirtyFromPreviousSync)
dirty += dirtyFromPreviousSync;
// Contains everything that needs repaint.
QRegion toClean(dirty);
// Loop through all update() widgets and remove them from the list before they are
// painted (in case someone calls update() in paintEvent). If the widget is opaque
// and does not have transparent overlapping siblings, append it to the
// opaqueNonOverlappedWidgets list and paint it directly without composition.
QVarLengthArray<QWidget *, 32> opaqueNonOverlappedWidgets;
for (int i = 0; i < dirtyWidgets.size(); ++i) {
QWidget *w = dirtyWidgets.at(i);
QWidgetPrivate *wd = w->d_func();
if (wd->data.in_destructor)
continue;
// Clip with mask() and clipRect().
wd->dirty &= wd->clipRect();
wd->clipToEffectiveMask(wd->dirty);
// Subtract opaque siblings and children.
bool hasDirtySiblingsAbove = false;
// We know for sure that the widget isn't overlapped if 'isMoved' is true.
if (!wd->isMoved)
wd->subtractOpaqueSiblings(wd->dirty, &hasDirtySiblingsAbove);
// Scrolled and moved widgets must draw all children.
if (!wd->isScrolled && !wd->isMoved)
wd->subtractOpaqueChildren(wd->dirty, w->rect());
if (wd->dirty.isEmpty()) {
resetWidget(w);
continue;
}
const QRegion widgetDirty(w != tlw ? wd->dirty.translated(w->mapTo(tlw, QPoint()))
: wd->dirty);
toClean += widgetDirty;
#ifndef QT_NO_GRAPHICSVIEW
if (tlw->d_func()->extra->proxyWidget) {
resetWidget(w);
continue;
}
#endif
if (!hasDirtySiblingsAbove && wd->isOpaque && !dirty.intersects(widgetDirty.boundingRect())) {
opaqueNonOverlappedWidgets.append(w);
} else {
resetWidget(w);
dirty += widgetDirty;
}
}
dirtyWidgets.clear();
fullUpdatePending = false;
if (toClean.isEmpty()) {
// Nothing to repaint. However, we might have newly exposed areas on the
// screen if this function was called from sync(QWidget *, QRegion)), so
// we have to make sure those are flushed.
flush();
return;
}
#ifndef QT_NO_GRAPHICSVIEW
if (tlw->d_func()->extra->proxyWidget) {
updateStaticContentsSize();
dirty = QRegion();
const QVector<QRect> rects(toClean.rects());
for (int i = 0; i < rects.size(); ++i)
tlw->d_func()->extra->proxyWidget->update(rects.at(i));
return;
}
#endif
#ifndef Q_BACKINGSTORE_SUBSURFACES
BeginPaintInfo beginPaintInfo;
beginPaint(toClean, tlw, windowSurface, &beginPaintInfo);
if (beginPaintInfo.nothingToPaint) {
for (int i = 0; i < opaqueNonOverlappedWidgets.size(); ++i)
resetWidget(opaqueNonOverlappedWidgets[i]);
dirty = QRegion();
return;
}
#endif
// Must do this before sending any paint events because
// the size may change in the paint event.
updateStaticContentsSize();
const QRegion dirtyCopy(dirty);
dirty = QRegion();
// Paint opaque non overlapped widgets.
for (int i = 0; i < opaqueNonOverlappedWidgets.size(); ++i) {
QWidget *w = opaqueNonOverlappedWidgets[i];
QWidgetPrivate *wd = w->d_func();
int flags = QWidgetPrivate::DrawRecursive;
// Scrolled and moved widgets must draw all children.
if (!wd->isScrolled && !wd->isMoved)
flags |= QWidgetPrivate::DontDrawOpaqueChildren;
if (w == tlw)
flags |= QWidgetPrivate::DrawAsRoot;
QRegion toBePainted(wd->dirty);
resetWidget(w);
#ifdef Q_BACKINGSTORE_SUBSURFACES
QWindowSurface *subSurface = w->windowSurface();
BeginPaintInfo beginPaintInfo;
QPoint off = w->mapTo(tlw, QPoint());
toBePainted.translate(off);
beginPaint(toBePainted, w, subSurface, &beginPaintInfo, true);
toBePainted.translate(-off);
if (beginPaintInfo.nothingToPaint)
continue;
if (beginPaintInfo.windowSurfaceRecreated) {
// Eep the window surface has changed. The old one may have been
// deleted, in which case we will segfault on the call to
// painterOffset() below. Use the new window surface instead.
subSurface = w->windowSurface();
}
QPoint offset(tlwOffset);
if (subSurface == windowSurface)
offset += w->mapTo(tlw, QPoint());
else
offset = static_cast<QWSWindowSurface*>(subSurface)->painterOffset();
wd->drawWidget(subSurface->paintDevice(), toBePainted, offset, flags, 0, this);
endPaint(toBePainted, subSurface, &beginPaintInfo);
#else
QPoint offset(tlwOffset);
if (w != tlw)
offset += w->mapTo(tlw, QPoint());
wd->drawWidget(windowSurface->paintDevice(), toBePainted, offset, flags, 0, this);
#endif
}
// Paint the rest with composition.
#ifndef Q_BACKINGSTORE_SUBSURFACES
if (repaintAllWidgets || !dirtyCopy.isEmpty()) {
const int flags = QWidgetPrivate::DrawAsRoot | QWidgetPrivate::DrawRecursive;
tlw->d_func()->drawWidget(windowSurface->paintDevice(), dirtyCopy, tlwOffset, flags, 0, this);
}
endPaint(toClean, windowSurface, &beginPaintInfo);
#else
if (!repaintAllWidgets && dirtyCopy.isEmpty())
return; // Nothing more to paint.
QList<QWindowSurface *> surfaceList(subSurfaces);
surfaceList.prepend(windowSurface);
const QRect dirtyBoundingRect(dirtyCopy.boundingRect());
// Loop through all window surfaces (incl. the top-level surface) and
// repaint those intersecting with the bounding rect of the dirty region.
for (int i = 0; i < surfaceList.size(); ++i) {
QWindowSurface *subSurface = surfaceList.at(i);
QWidget *w = subSurface->window();
QWidgetPrivate *wd = w->d_func();
const QRect clipRect = wd->clipRect().translated(w->mapTo(tlw, QPoint()));
if (!qRectIntersects(dirtyBoundingRect, clipRect))
continue;
toClean = dirtyCopy;
BeginPaintInfo beginPaintInfo;
beginPaint(toClean, w, subSurface, &beginPaintInfo);
if (beginPaintInfo.nothingToPaint)
continue;
if (beginPaintInfo.windowSurfaceRecreated) {
// Eep the window surface has changed. The old one may have been
// deleted, in which case we will segfault on the call to
// painterOffset() below. Use the new window surface instead.
subSurface = w->windowSurface();
}
int flags = QWidgetPrivate::DrawRecursive;
if (w == tlw)
flags |= QWidgetPrivate::DrawAsRoot;
const QPoint painterOffset = static_cast<QWSWindowSurface*>(subSurface)->painterOffset();
wd->drawWidget(subSurface->paintDevice(), toClean, painterOffset, flags, 0, this);
endPaint(toClean, subSurface, &beginPaintInfo);
}
#endif
}
