diff options
Diffstat (limited to 'src/gui/graphicsview/qgraphicsscene.cpp')
-rw-r--r-- | src/gui/graphicsview/qgraphicsscene.cpp | 73 |
1 files changed, 60 insertions, 13 deletions
diff --git a/src/gui/graphicsview/qgraphicsscene.cpp b/src/gui/graphicsview/qgraphicsscene.cpp index 2178850..e4a02e2 100644 --- a/src/gui/graphicsview/qgraphicsscene.cpp +++ b/src/gui/graphicsview/qgraphicsscene.cpp @@ -208,6 +208,7 @@ #ifndef QT_NO_GRAPHICSVIEW +#include "qgraphicseffect_p.h" #include "qgraphicsitem.h" #include "qgraphicsitem_p.h" #include "qgraphicslayout.h" @@ -4299,7 +4300,7 @@ void QGraphicsScenePrivate::drawItems(QPainter *painter, const QTransform *const void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter *painter, const QTransform *const viewTransform, QRegion *exposedRegion, QWidget *widget, - qreal parentOpacity) + qreal parentOpacity, const QTransform *const effectTransform) { Q_ASSERT(item); @@ -4348,11 +4349,12 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * const bool itemClipsChildrenToShape = (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape); bool drawItem = itemHasContents && !itemIsFullyTransparent; if (drawItem) { - const QRectF brect = adjustedItemBoundingRect(item); + const QRectF brect = adjustedItemEffectiveBoundingRect(item); ENSURE_TRANSFORM_PTR QRect viewBoundingRect = translateOnlyTransform ? brect.translated(transformPtr->dx(), transformPtr->dy()).toRect() : transformPtr->mapRect(brect).toRect(); - item->d_ptr->paintedViewBoundingRects.insert(widget, viewBoundingRect); + if (widget) + item->d_ptr->paintedViewBoundingRects.insert(widget, viewBoundingRect); viewBoundingRect.adjust(-1, -1, 1, 1); drawItem = exposedRegion ? exposedRegion->intersects(viewBoundingRect) : !viewBoundingRect.isEmpty(); if (!drawItem) { @@ -4366,14 +4368,51 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * } } // else we know for sure this item has children we must process. + if (itemHasChildren && itemClipsChildrenToShape) + ENSURE_TRANSFORM_PTR; + + if (item->d_ptr->graphicsEffect && item->d_ptr->graphicsEffect->isEnabled()) { + ENSURE_TRANSFORM_PTR; + QGraphicsItemPaintInfo info(viewTransform, transformPtr, effectTransform, exposedRegion, widget, &styleOptionTmp, + painter, opacity, wasDirtyParentSceneTransform, drawItem); + QGraphicsEffectSource *source = item->d_ptr->graphicsEffect->d_func()->source; + QGraphicsItemEffectSourcePrivate *sourced = static_cast<QGraphicsItemEffectSourcePrivate *> + (source->d_func()); + sourced->info = &info; + const QTransform restoreTransform = painter->worldTransform(); + if (effectTransform) + painter->setWorldTransform(*transformPtr * *effectTransform); + else + painter->setWorldTransform(*transformPtr); + item->d_ptr->graphicsEffect->draw(painter, source); + painter->setWorldTransform(restoreTransform); + sourced->info = 0; + } else { + draw(item, painter, viewTransform, transformPtr, exposedRegion, widget, opacity, + effectTransform, wasDirtyParentSceneTransform, drawItem); + } +} + +void QGraphicsScenePrivate::draw(QGraphicsItem *item, QPainter *painter, const QTransform *const viewTransform, + const QTransform *const transformPtr, QRegion *exposedRegion, QWidget *widget, + qreal opacity, const QTransform *effectTransform, + bool wasDirtyParentSceneTransform, bool drawItem) +{ + const bool itemIsFullyTransparent = (opacity < 0.0001); + const bool itemClipsChildrenToShape = (item->d_ptr->flags & QGraphicsItem::ItemClipsChildrenToShape); + const bool itemHasChildren = !item->d_ptr->children.isEmpty(); + int i = 0; if (itemHasChildren) { item->d_ptr->ensureSortedChildren(); if (itemClipsChildrenToShape) { painter->save(); - ENSURE_TRANSFORM_PTR - painter->setWorldTransform(*transformPtr); + Q_ASSERT(transformPtr); + if (effectTransform) + painter->setWorldTransform(*transformPtr * *effectTransform); + else + painter->setWorldTransform(*transformPtr); painter->setClipPath(item->shape(), Qt::IntersectClip); } @@ -4386,15 +4425,15 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * break; if (itemIsFullyTransparent && !(child->d_ptr->flags & QGraphicsItem::ItemIgnoresParentOpacity)) continue; - drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity); + drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity, effectTransform); } } // Draw item if (drawItem) { Q_ASSERT(!itemIsFullyTransparent); - Q_ASSERT(itemHasContents); - ENSURE_TRANSFORM_PTR + Q_ASSERT(!(item->d_ptr->flags & QGraphicsItem::ItemHasNoContents)); + Q_ASSERT(transformPtr); item->d_ptr->initStyleOption(&styleOptionTmp, *transformPtr, exposedRegion ? *exposedRegion : QRegion(), exposedRegion == 0); @@ -4403,8 +4442,12 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * if (savePainter) painter->save(); - if (!itemHasChildren || !itemClipsChildrenToShape) - painter->setWorldTransform(*transformPtr); + if (!itemHasChildren || !itemClipsChildrenToShape) { + if (effectTransform) + painter->setWorldTransform(*transformPtr * *effectTransform); + else + painter->setWorldTransform(*transformPtr); + } if (itemClipsToShape) painter->setClipPath(item->shape(), Qt::IntersectClip); @@ -4427,7 +4470,7 @@ void QGraphicsScenePrivate::drawSubtreeRecursive(QGraphicsItem *item, QPainter * child->d_ptr->dirtySceneTransform = 1; if (itemIsFullyTransparent && !(child->d_ptr->flags & QGraphicsItem::ItemIgnoresParentOpacity)) continue; - drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity); + drawSubtreeRecursive(child, painter, viewTransform, exposedRegion, widget, opacity, effectTransform); } } @@ -4510,8 +4553,12 @@ void QGraphicsScenePrivate::markDirty(QGraphicsItem *item, const QRectF &rect, b item->d_ptr->ignoreOpacity = 1; QGraphicsItem *p = item->d_ptr->parent; - while (p && !p->d_ptr->dirtyChildren) { + while (p) { p->d_ptr->dirtyChildren = 1; + if (p->d_ptr->graphicsEffect && p->d_ptr->graphicsEffect->isEnabled()) { + p->d_ptr->dirty = 1; + p->d_ptr->fullUpdatePending = 1; + } p = p->d_ptr->parent; } } @@ -4620,7 +4667,7 @@ void QGraphicsScenePrivate::processDirtyItemsRecursive(QGraphicsItem *item, bool // Process item. if (item->d_ptr->dirty || item->d_ptr->paintedViewBoundingRectsNeedRepaint) { const bool useCompatUpdate = views.isEmpty() || (connectedSignals[0] & changedSignalMask); - const QRectF itemBoundingRect = adjustedItemBoundingRect(item); + const QRectF itemBoundingRect = adjustedItemEffectiveBoundingRect(item); if (useCompatUpdate && !itemIsUntransformable && qFuzzyIsNull(item->boundingRegionGranularity())) { // This block of code is kept for compatibility. Since 4.5, by default |