diff options
Diffstat (limited to 'src/declarative/graphicsitems/qdeclarativerectangle.cpp')
| -rw-r--r-- | src/declarative/graphicsitems/qdeclarativerectangle.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/declarative/graphicsitems/qdeclarativerectangle.cpp b/src/declarative/graphicsitems/qdeclarativerectangle.cpp index fc3954f..99b36a8 100644 --- a/src/declarative/graphicsitems/qdeclarativerectangle.cpp +++ b/src/declarative/graphicsitems/qdeclarativerectangle.cpp @@ -260,6 +260,9 @@ void QDeclarativeRectangle::doUpdate() A width of 1 creates a thin line. For no line, use a width of 0 or a transparent color. + \note The width of the rectangle's border does not affect the geometry of the + rectangle itself or its position relative to other items if anchors are used. + If \c border.width is an odd number, the rectangle is painted at a half-pixel offset to retain border smoothness. Also, the border is rendered evenly on either side of the rectangle's boundaries, and the spare pixel is rendered to the right and below the @@ -417,6 +420,10 @@ void QDeclarativeRectangle::generateRoundedRect() p.drawRoundedRect(QRectF(qreal(pw)/2+1, qreal(pw)/2+1, d->rectImage.width()-(pw+1), d->rectImage.height()-(pw+1)), d->radius, d->radius); else p.drawRoundedRect(QRectF(qreal(pw)/2, qreal(pw)/2, d->rectImage.width()-pw, d->rectImage.height()-pw), d->radius, d->radius); + + // end painting before inserting pixmap + // to pixmap cache to avoid a deep copy + p.end(); QPixmapCache::insert(key, d->rectImage); } } @@ -451,6 +458,10 @@ void QDeclarativeRectangle::generateBorderedRect() p.drawRect(QRectF(qreal(pw)/2+1, qreal(pw)/2+1, d->rectImage.width()-(pw+1), d->rectImage.height()-(pw+1))); else p.drawRect(QRectF(qreal(pw)/2, qreal(pw)/2, d->rectImage.width()-pw, d->rectImage.height()-pw)); + + // end painting before inserting pixmap + // to pixmap cache to avoid a deep copy + p.end(); QPixmapCache::insert(key, d->rectImage); } } @@ -459,6 +470,8 @@ void QDeclarativeRectangle::generateBorderedRect() void QDeclarativeRectangle::paint(QPainter *p, const QStyleOptionGraphicsItem *, QWidget *) { Q_D(QDeclarativeRectangle); + if (width() <= 0 || height() <= 0) + return; if (d->radius > 0 || (d->pen && d->pen->isValid()) || (d->gradient && d->gradient->gradient()) ) { drawRect(*p); @@ -528,6 +541,12 @@ void QDeclarativeRectangle::drawRect(QPainter &p) Q_ASSERT(d->rectImage.width() == 2*xOffset + 1); Q_ASSERT(d->rectImage.height() == 2*yOffset + 1); + // check whether we've eliminated the center completely + if (2*xOffset > width()+pw) + xOffset = (width()+pw)/2; + if (2*yOffset > height()+pw) + yOffset = (height()+pw)/2; + QMargins margins(xOffset, yOffset, xOffset, yOffset); QTileRules rules(Qt::StretchTile, Qt::StretchTile); //NOTE: even though our item may have qreal-based width and height, qDrawBorderPixmap only supports QRects |