office/okular
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Merge remote-tracking branch 'origin/Applications/19.08'

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This commit is contained in:
Albert Astals Cid 2019-07-17 21:58:14 +02:00
parent c510540ca2 8e1d9aa480
commit 3430081ac6
1 changed files with 64 additions and 40 deletions
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104
ui/pageview.cpp
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@ -3500,55 +3500,24 @@ void PageView::drawDocumentOnPainter( const QRect & contentsRect, QPainter * p )
else
backColor = viewport()->palette().color( QPalette::Dark );
// when checking if an Item is contained in contentsRect, instead of
// growing PageViewItems rects (for keeping outline into account), we
// grow the contentsRect
QRect checkRect = contentsRect;
checkRect.adjust( -3, -3, 1, 1 );
// create a region from which we'll subtract painted rects
QRegion remainingArea( contentsRect );
// This loop draws the actual pages
// iterate over all items painting the ones intersecting contentsRect
for ( const PageViewItem * item : qAsConst( d->items ) )
{
// check if a piece of the page intersects the contents rect
if ( !item->isVisible() || !item->croppedGeometry().intersects( checkRect ) )
if ( !item->isVisible() || !item->croppedGeometry().intersects( contentsRect ) )
continue;
// get item and item's outline geometries
QRect itemGeometry = item->croppedGeometry(),
outlineGeometry = itemGeometry;
outlineGeometry.adjust( -1, -1, 3, 3 );
QRect itemGeometry = item->croppedGeometry();
// move the painter to the top-left corner of the real page
p->save();
p->translate( itemGeometry.left(), itemGeometry.top() );
// draw the page outline (black border and 2px bottom-right shadow)
if ( !itemGeometry.contains( contentsRect ) )
{
int itemWidth = itemGeometry.width(),
itemHeight = itemGeometry.height();
// draw simple outline
p->setPen( Qt::black );
p->drawRect( -1, -1, itemWidth + 1, itemHeight + 1 );
// draw bottom/right gradient
static const int levels = 2;
int r = backColor.red() / (levels + 2) + 6,
g = backColor.green() / (levels + 2) + 6,
b = backColor.blue() / (levels + 2) + 6;
for ( int i = 0; i < levels; i++ )
{
p->setPen( QColor( r * (i+2), g * (i+2), b * (i+2) ) );
p->drawLine( i, i + itemHeight + 1, i + itemWidth + 1, i + itemHeight + 1 );
p->drawLine( i + itemWidth + 1, i, i + itemWidth + 1, i + itemHeight );
p->setPen( backColor );
p->drawLine( -1, i + itemHeight + 1, i - 1, i + itemHeight + 1 );
p->drawLine( i + itemWidth + 1, -1, i + itemWidth + 1, i - 1 );
}
}
// draw the page using the PagePainter with all flags active
if ( contentsRect.intersects( itemGeometry ) )
{
@ -3567,15 +3536,70 @@ void PageView::drawDocumentOnPainter( const QRect & contentsRect, QPainter * p )
}
// remove painted area from 'remainingArea' and restore painter
remainingArea -= outlineGeometry.intersected( contentsRect );
remainingArea -= itemGeometry;
p->restore();
}
// fill with background color the unpainted area
const QVector<QRect> &backRects = remainingArea.rects();
int backRectsNumber = backRects.count();
for ( int jr = 0; jr < backRectsNumber; jr++ )
p->fillRect( backRects[ jr ], backColor );
// fill the visible area around the page with the background color
for (const QRect& backRect : remainingArea )
p->fillRect( backRect, backColor );
// take outline and shadow into account when testing whether a repaint is necessary
auto dpr = devicePixelRatioF();
QRect checkRect = contentsRect;
checkRect.adjust( -3, -3, 1, 1 );
// Method to linearly interpolate between black (=(0,0,0), omitted) and the background color
auto interpolateColor = [&backColor]( double t )
{
return QColor( t*backColor.red(), t*backColor.green(), t*backColor.blue() );
};
// width of the shadow in device pixels
static const int shadowWidth = 2*dpr;
// iterate over all items painting a black outline and a simple bottom/right gradient
for ( const PageViewItem * item : qAsConst( d->items ) )
{
// check if a piece of the page intersects the contents rect
if ( !item->isVisible() || !item->croppedGeometry().intersects( checkRect ) )
continue;
// get item and item's outline geometries
QRect itemGeometry = item->croppedGeometry();
// move the painter to the top-left corner of the real page
p->save();
p->translate( itemGeometry.left(), itemGeometry.top() );
// draw the page outline (black border and bottom-right shadow)
if ( !itemGeometry.contains( contentsRect ) )
{
int itemWidth = itemGeometry.width();
int itemHeight = itemGeometry.height();
// draw simple outline
QPen pen( Qt::black );
pen.setWidth(0);
p->setPen( pen );
QRectF outline( -1.0/dpr, -1.0/dpr, itemWidth + 1.0/dpr, itemHeight + 1.0/dpr );
p->drawRect( outline );
// draw bottom/right gradient
for ( int i = 1; i <= shadowWidth; i++ )
{
pen.setColor( interpolateColor( double(i)/( shadowWidth+1 ) ) );
p->setPen( pen );
QPointF left( (i-1)/dpr, itemHeight + i/dpr );
QPointF up( itemWidth + i/dpr, (i-1)/dpr );
QPointF corner( itemWidth + i/dpr, itemHeight + i/dpr);
p->drawLine( left, corner );
p->drawLine( up, corner );
}
}
p->restore();
}
}
void PageView::updateItemSize( PageViewItem * item, int colWidth, int rowHeight )