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Fix memory leak

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The QPainter and the QPixmap were being created but never freed. A QPixmap
and a QPainter don't need to be created by new, they can be safely created
on the stack.

So, create them on the stack, pass them via const-reference
and use them correctly.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2015-01-14 13:02:18 -02:00 • committed by Dirk Hohndel
parent 633dd64d2f
commit db4ffd0b70
2 changed files with 19 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

36
qt-ui/profile/divetooltipitem.cpp
View file

@ -19,7 +19,7 @@
#include "display.h"
#endif
void ToolTipItem::addToolTip(const QString &toolTip, const QIcon &icon, const QPixmap *pixmap)
void ToolTipItem::addToolTip(const QString &toolTip, const QIcon &icon, const QPixmap& pixmap)
{
const IconMetrics& iconMetrics = defaultIconMetrics();
@ -32,8 +32,8 @@ void ToolTipItem::addToolTip(const QString &toolTip, const QIcon &icon, const QP
iconItem = new QGraphicsPixmapItem(icon.pixmap(iconMetrics.sz_small, iconMetrics.sz_small), this);
iconItem->setPos(iconMetrics.spacing, yValue);
} else {
if (pixmap && !pixmap->isNull()) {
pixmapItem = new QGraphicsPixmapItem(*pixmap, this);
if (!pixmap.isNull()) {
pixmapItem = new QGraphicsPixmapItem(pixmap, this);
pixmapItem->setPos(iconMetrics.spacing, yValue);
}
}
@ -232,8 +232,8 @@ void ToolTipItem::refresh(const QPointF &pos)
{
int i;
struct plot_data *entry;
static QPixmap *tissues = new QPixmap(16,60);
static QPainter *painter = new QPainter(tissues);
static QPixmap tissues(16,60);
static QPainter painter(&tissues);
int time = timeAxis->valueAt(pos);
if (time == lastTime)
return;
@ -244,21 +244,21 @@ void ToolTipItem::refresh(const QPointF &pos)
entry = get_plot_details_new(&pInfo, time, &mb);
if (entry) {
tissues->fill();
painter->setPen(QColor(0, 0, 0, 0));
painter->setBrush(QColor(LIMENADE1));
painter->drawRect(0, 10 + (100 - AMB_PERCENTAGE) / 2, 16, AMB_PERCENTAGE / 2);
painter->setBrush(QColor(SPRINGWOOD1));
painter->drawRect(0, 10, 16, (100 - AMB_PERCENTAGE) / 2);
painter->setBrush(QColor("Red"));
painter->drawRect(0,0,16,10);
painter->setPen(QColor(0, 0, 0, 255));
painter->drawLine(0, 60 - entry->gfline / 2, 16, 60 - entry->gfline / 2);
painter->drawLine(0, 60 - AMB_PERCENTAGE * (entry->pressures.n2 + entry->pressures.he) / entry->ambpressure / 2,
tissues.fill();
painter.setPen(QColor(0, 0, 0, 0));
painter.setBrush(QColor(LIMENADE1));
painter.drawRect(0, 10 + (100 - AMB_PERCENTAGE) / 2, 16, AMB_PERCENTAGE / 2);
painter.setBrush(QColor(SPRINGWOOD1));
painter.drawRect(0, 10, 16, (100 - AMB_PERCENTAGE) / 2);
painter.setBrush(QColor(Qt::red));
painter.drawRect(0,0,16,10);
painter.setPen(QColor(0, 0, 0, 255));
painter.drawLine(0, 60 - entry->gfline / 2, 16, 60 - entry->gfline / 2);
painter.drawLine(0, 60 - AMB_PERCENTAGE * (entry->pressures.n2 + entry->pressures.he) / entry->ambpressure / 2,
16, 60 - AMB_PERCENTAGE * (entry->pressures.n2 + entry->pressures.he) / entry->ambpressure /2);
painter->setPen(QColor(0, 0, 0, 127));
painter.setPen(QColor(0, 0, 0, 127));
for (i=0; i<16; i++) {
painter->drawLine(i, 60, i, 60 - entry->percentages[i] / 2);
painter.drawLine(i, 60, i, 60 - entry->percentages[i] / 2);
}
addToolTip(QString::fromUtf8(mb.buffer, mb.len),QIcon(), tissues);
}

2
qt-ui/profile/divetooltipitem.h
View file

@ -34,7 +34,7 @@ public:
void collapse();
void expand();
void clear();
void addToolTip(const QString &toolTip, const QIcon &icon = QIcon(), const QPixmap *pixmap = NULL);
void addToolTip(const QString &toolTip, const QIcon &icon = QIcon(), const QPixmap &pixmap = QPixmap());
void refresh(const QPointF &pos);
bool isExpanded() const;
void persistPos();