Fix potential crash when memory allocation failed. Closes #3877.

This commit is contained in:
Chocobo1 2015-10-01 20:50:23 +08:00
parent b4680e82b7
commit e95fce3084

View file

@ -29,6 +29,7 @@
*/
#include <cmath>
#include <QDebug>
#include "pieceavailabilitybar.h"
PieceAvailabilityBar::PieceAvailabilityBar(QWidget *parent) :
@ -156,8 +157,11 @@ int PieceAvailabilityBar::mixTwoColors(int &rgb1, int &rgb2, float ratio)
void PieceAvailabilityBar::updateImage()
{
// qDebug() << "updateImageAv";
QImage image2(width() - 2, 1, QImage::Format_RGB888);
if (image2.isNull()) {
qDebug() << "QImage image2() allocation failed, width():" << width();
return;
}
if (m_pieces.empty()) {
image2.fill(0xffffff);