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This commit is contained in:
tianduanrui 2018-05-15 20:33:26 +08:00
parent 2aea861992
commit 4faf9a5506
2 changed files with 90 additions and 1 deletions
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70
src/widgets/qqtwidget.cpp
View File

@ -118,6 +118,76 @@ void QQtWidget::paintEvent ( QPaintEvent* event )
}
break;
case QQTTILEDHEIGHT:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*.copy() 切出图片的左上部分使用*/
QPixmap::fromImage ( mImage.copy ( rect() )
.scaledToHeight ( rect().height() )
) );
}
break;
case QQTTILED:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*.copy() 切出图片的左上部分使用*/
QPixmap::fromImage ( mImage.copy ( rect() )
.scaled ( rect().width(), rect().height(), Qt::KeepAspectRatio )
) );
}
break;
case QQTZOOMHEIGHT:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*不.copy() 切出图片的中间部分使用*/
QPixmap::fromImage ( mImage
.scaled ( mImage.width(), rect().height(), Qt::IgnoreAspectRatio )
) );
}
break;
case QQTZOOM:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*不.copy() 切出图片的中间部分使用*/
QPixmap::fromImage ( mImage
.scaled ( rect().width(), rect().height(), Qt::IgnoreAspectRatio )
) );
}
break;
case QQTZOOMWIDTH_KEEPASPECTRATIO:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*不.copy() 切出图片的中间部分使用*/
QPixmap::fromImage ( mImage
.scaled ( rect().width(), mImage.height(), Qt::KeepAspectRatio )
) );
}
break;
case QQTZOOMHEIGHT_KEEPASPECTRATIO:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*不.copy() 切出图片的中间部分使用*/
QPixmap::fromImage ( mImage
.scaled ( mImage.width(), rect().height(), Qt::KeepAspectRatio )
) );
}
break;
case QQTZOOM_KEEPASPECTRATIO:
{
p.drawItemPixmap ( rect(), Qt::AlignLeft | Qt::AlignTop,
/*不.copy() 切出图片的中间部分使用*/
QPixmap::fromImage ( mImage
.scaled ( rect().width(), rect().height(), Qt::KeepAspectRatio )
) );
}
break;
default:
{

21
src/widgets/qqtwidget.h
View File

@ -26,13 +26,32 @@ public:
* 整个居中,全面缩放显示
*/
QQTCENTER,
/*
/**
* 切
* 从左上
* 会产生label的效果，左右按照rect长，但是不缩放形状
**/
QQTTILEDWIDTH,
QQTTILEDHEIGHT,
QQTTILED,
/**
* 缩放
* 忽略长宽比
*/
QQTZOOMWIDTH,
QQTZOOMHEIGHT,
QQTZOOM,
/**
* 缩放
* 保持长宽比
*/
QQTZOOMWIDTH_KEEPASPECTRATIO,
QQTZOOMHEIGHT_KEEPASPECTRATIO,
QQTZOOM_KEEPASPECTRATIO,
QQTIMAGESTYLEMAX
};
void setImageStyle ( ImageStyle style = QQTCENTER ) { m_style = style; }