mifr/subsurface
1
0
Fork 0
mirror of https://github.com/subsurface/subsurface.git synced 2025-02-19 22:16:15 +00:00
Code Issues Projects Releases Packages Wiki Activity

Reduce the amount of new/delete when setting a new text on DiveTextItem

Browse source 
We were recreating the PathItems (one for the outline, other for the real
text) for every call to setText. This was a very un-smart move.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2015-01-16 17:13:58 -02:00 • committed by Dirk Hohndel
parent abddb3ecb9
commit a6e95511a6
1 changed files with 12 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
qt-ui/profile/divetextitem.cpp
View file

@ -12,12 +12,16 @@
DiveTextItem::DiveTextItem(QGraphicsItem *parent) : QGraphicsItemGroup(parent),
internalAlignFlags(Qt::AlignHCenter | Qt::AlignVCenter),
textBackgroundItem(NULL),
textItem(NULL),
textBackgroundItem(new QGraphicsPathItem(this)),
textItem(new QGraphicsPathItem(this)),
colorIndex(SAC_DEFAULT),
scale(1.0)
{
setFlag(ItemIgnoresTransformations);
textBackgroundItem->setBrush(QBrush(getColor(TEXT_BACKGROUND)));
textBackgroundItem->setPen(Qt::NoPen);
textItem->setBrush(brush);
textItem->setPen(Qt::NoPen);
}
void DiveTextItem::setAlignment(int alignFlags)
@ -51,10 +55,6 @@ const QString &DiveTextItem::text()
void DiveTextItem::updateText()
{
double size;
delete textItem;
textItem = NULL;
delete textBackgroundItem;
textBackgroundItem = NULL;
if (internalText.isEmpty()) {
return;
}
@ -76,21 +76,16 @@ void DiveTextItem::updateText()
QRectF rect = fm.boundingRect(internalText);
yPos = (internalAlignFlags & Qt::AlignTop) ? 0 :
(internalAlignFlags & Qt::AlignBottom) ? +rect.height() :
/*(internalAlignFlags & Qt::AlignVCenter ? */ +rect.height() / 4;
(internalAlignFlags & Qt::AlignBottom) ? +rect.height() :
/*(internalAlignFlags & Qt::AlignVCenter ? */ +rect.height() / 4;
xPos = (internalAlignFlags & Qt::AlignLeft) ? -rect.width() :
(internalAlignFlags & Qt::AlignHCenter) ? -rect.width() / 2 :
/* (internalAlignFlags & Qt::AlignRight) */ 0;
(internalAlignFlags & Qt::AlignHCenter) ? -rect.width() / 2 :
/* (internalAlignFlags & Qt::AlignRight) */ 0;
textPath.addText(xPos, yPos, fnt, internalText);
QPainterPathStroker stroker;
stroker.setWidth(3);
textBackgroundItem = new QGraphicsPathItem(stroker.createStroke(textPath), this);
textBackgroundItem->setBrush(QBrush(getColor(TEXT_BACKGROUND)));
textBackgroundItem->setPen(Qt::NoPen);
textItem = new QGraphicsPathItem(textPath, this);
textItem->setBrush(brush);
textItem->setPen(Qt::NoPen);
textBackgroundItem->setPath(stroker.createStroke(textPath));
textItem->setPath(textPath);
}