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add null pointer check, make code more robust

This commit is contained in:
andyque 2014-11-27 18:25:13 +08:00
parent f3e9af8100
commit 1bb60ab4bb
1 changed files with 28 additions and 8 deletions
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36
cocos/ui/UILoadingBar.cpp
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@ -101,15 +101,25 @@ void LoadingBar::setDirection(cocos2d::ui::LoadingBar::Direction direction)
case Direction::LEFT: case Direction::LEFT:
_barRenderer->setAnchorPoint(Vec2(0.0f,0.5f)); _barRenderer->setAnchorPoint(Vec2(0.0f,0.5f));
_barRenderer->setPosition(Vec2(0,_contentSize.height*0.5f)); _barRenderer->setPosition(Vec2(0,_contentSize.height*0.5f));
if (!_scale9Enabled) { if (!_scale9Enabled)
_barRenderer->getSprite()->setFlippedX(false); {
auto innerSprite = _barRenderer->getSprite();
if (nullptr != innerSprite)
{
innerSprite->setFlippedX(false);
}
} }
break; break;
case Direction::RIGHT: case Direction::RIGHT:
_barRenderer->setAnchorPoint(Vec2(1.0f,0.5f)); _barRenderer->setAnchorPoint(Vec2(1.0f,0.5f));
_barRenderer->setPosition(Vec2(_totalLength,_contentSize.height*0.5f)); _barRenderer->setPosition(Vec2(_totalLength,_contentSize.height*0.5f));
if (!_scale9Enabled) { if (!_scale9Enabled)
_barRenderer->getSprite()->setFlippedX(true); {
auto innerSprite = _barRenderer->getSprite();
if (nullptr != innerSprite)
{
innerSprite->setFlippedX(true);
}
} }
break; break;
} }
@ -148,14 +158,24 @@ void LoadingBar::loadTexture(const std::string& texture,TextureResType texType)
{ {
case Direction::LEFT: case Direction::LEFT:
_barRenderer->setAnchorPoint(Vec2(0.0f,0.5f)); _barRenderer->setAnchorPoint(Vec2(0.0f,0.5f));
if (!_scale9Enabled) { if (!_scale9Enabled)
_barRenderer->getSprite()->setFlippedX(false); {
auto innerSprite = _barRenderer->getSprite();
if (nullptr != innerSprite)
{
innerSprite->setFlippedX(false);
}
} }
break; break;
case Direction::RIGHT: case Direction::RIGHT:
_barRenderer->setAnchorPoint(Vec2(1.0f,0.5f)); _barRenderer->setAnchorPoint(Vec2(1.0f,0.5f));
if (!_scale9Enabled) { if (!_scale9Enabled)
_barRenderer->getSprite()->setFlippedX(true); {
auto innerSprite = _barRenderer->getSprite();
if (nullptr != innerSprite)
{
innerSprite->setFlippedX(true);
}
} }
break; break;
} }