本文整理汇总了C++中QBitmap::resize方法的典型用法代码示例。如果您正苦于以下问题：C++ QBitmap::resize方法的具体用法？C++ QBitmap::resize怎么用？C++ QBitmap::resize使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类QBitmap的用法示例。
在下文中一共展示了QBitmap::resize方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: drawValue
QBitmap Slider::drawValue()
{
QFontMetrics fm(this->font());
QString st;
st.setNum(value,'f',precision);
QPainter painter;
int _x,_y;
QBitmap res;
if (orientation == 0) {
res.resize(width(),(height()-20)/2);
res.fill(Qt::color0);
painter.begin(&res);
painter.setPen(Qt::color1);
painter.setBrush(Qt::color1);
painter.setFont(this->font());
_x = (int)((res.width()-fm.width(st))/2);
_y = (int)(res.height());
painter.drawText(_x,_y,st);
}
else if (orientation == 1) {
res.resize((width()-20)/2,height());
res.fill(Qt::color0);
painter.begin(&res);
painter.setPen(Qt::color1);
painter.setBrush(Qt::color1);
painter.setFont(this->font());
_x = 0;
_y = (int)((res.height()+fm.height())/2);
painter.drawText(_x,_y,st);
}
painter.end();
return res;
}示例2: renderOSDText
void OSDWidget::renderOSDText( const QString &text) {
static QBitmap mask;
// Set a sensible maximum size, don't cover the whole desktop or cross the screen
//Actually unused but it definitly should
//QSize max = QApplication::desktop() ->screen( m_screen ) ->size() - QSize( MARGIN*2 + 20, 100 );
if(this->m_srt!=0){
delete m_srt;
}
this->m_srt=new QSimpleRichText(text,this->font(),this->m_context);
// The title cannnot be taller than one line
// AlignAuto = align Arabic to the right, etc.
int w=this->m_srt->widthUsed();
int h=this->m_srt->height();
osdBuffer.resize(w,h);
mask.resize(w,h);
// Start painting!
QPainter bufferPainter( &osdBuffer );
QPainter maskPainter( &mask );
// Draw backing rectangle
//bufferPainter.save();
bufferPainter.setPen( Qt::black );
bufferPainter.setBrush( backgroundColor() );
bufferPainter.drawRoundRect( 0,0,w,h, 1500 /w, 1500/h);
//bufferPainter.restore();
this->m_srt->draw(&bufferPainter,0,0,QRect(),this->colorGroup());
// Masking for transparency
mask.fill( Qt::black );
maskPainter.setBrush( Qt::white );
maskPainter.drawRoundRect(0,0,w,h, 1500/w,1500/h);
setMask( mask );
//do last to reduce noticeable change when showing multiple OSDs in succession
reposition(QSize(w,h));
m_currentText = text;
m_dirty = false;
if(this->m_linking&&this==this->mouseGrabber()){
this->releaseMouse();
this->m_linking=false;
}
update();
}示例3: resize
void QPixmap::resize( int w, int h )
{
if ( w < 1 || h < 1 ) { // becomes null
QPixmap pm( 0, 0, 0, data->bitmap, data->optim );
*this = pm;
return;
}
int d;
if ( depth() > 0 )
d = depth();
else
d = isQBitmap() ? 1 : -1;
// Create new pixmap
QPixmap pm( w, h, d, data->bitmap, data->optim );
#ifdef Q_WS_X11
pm.x11SetScreen( x11Screen() );
#endif // Q_WS_X11
if ( !data->uninit && !isNull() ) // has existing pixmap
bitBlt( &pm, 0, 0, this, 0, 0, // copy old pixmap
QMIN(width(), w),
QMIN(height(),h), CopyROP, TRUE );
#if defined(Q_WS_MAC)
if(data->alphapm) {
data->alphapm->resize(w, h);
} else
#elif defined(Q_WS_X11) && !defined(QT_NO_XFTFREETYPE)
if (data->alphapm)
qWarning("QPixmap::resize: TODO: resize alpha data");
else
#endif // Q_WS_X11
if ( data->mask ) { // resize mask as well
if ( data->selfmask ) { // preserve self-mask
pm.setMask( *((QBitmap*)&pm) );
} else { // independent mask
QBitmap m = *data->mask;
m.resize( w, h );
pm.setMask( m );
}
}
*this = pm;
}