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feiyangqingyun
2021-10-08 10:52:05 +08:00
parent f6923b97a2
commit 200b7eeafb
171 changed files with 2894 additions and 1940 deletions
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47
qwtdemo/qwt/qwt_plot_panner.cpp
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@@ -1,4 +1,4 @@
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
@@ -14,15 +14,34 @@
#include <qbitmap.h>
#include <qstyle.h>
#include <qstyleoption.h>
#include "qpainterpath.h"
#if QT_VERSION >= 0x050000
#if QT_VERSION < 0x050100
#define QWT_USE_WINDOW_HANDLE 1
#endif
#endif
#ifdef QWT_USE_WINDOW_HANDLE
#include <qwindow.h>
#endif
static QBitmap qwtBorderMask( const QWidget *canvas, const QSize &size )
{
#if QT_VERSION >= 0x050000
qreal pixelRatio = 1.0;
#ifdef QWT_USE_WINDOW_HANDLE
pixelRatio = canvas->windowHandle()->devicePixelRatio();
#else
pixelRatio = canvas->devicePixelRatio();
#endif
#endif
const QRect r( 0, 0, size.width(), size.height() );
QPainterPath borderPath;
( void )QMetaObject::invokeMethod(
( void )QMetaObject::invokeMethod(
const_cast< QWidget *>( canvas ), "borderPath", Qt::DirectConnection,
Q_RETURN_ARG( QPainterPath, borderPath ), Q_ARG( QRect, r ) );
@@ -31,7 +50,12 @@ static QBitmap qwtBorderMask( const QWidget *canvas, const QSize &size )
if ( canvas->contentsRect() == canvas->rect() )
return QBitmap();
#if QT_VERSION >= 0x050000
QBitmap mask( size * pixelRatio );
mask.setDevicePixelRatio( pixelRatio );
#else
QBitmap mask( size );
#endif
mask.fill( Qt::color0 );
QPainter painter( &mask );
@@ -40,7 +64,12 @@ static QBitmap qwtBorderMask( const QWidget *canvas, const QSize &size )
return mask;
}
#if QT_VERSION >= 0x050000
QImage image( size * pixelRatio, QImage::Format_ARGB32_Premultiplied );
image.setDevicePixelRatio( pixelRatio );
#else
QImage image( size, QImage::Format_ARGB32_Premultiplied );
#endif
image.fill( Qt::color0 );
QPainter painter( &image );
@@ -63,12 +92,12 @@ static QBitmap qwtBorderMask( const QWidget *canvas, const QSize &size )
const QVariant borderRadius = canvas->property( "borderRadius" );
const QVariant frameWidth = canvas->property( "frameWidth" );
if ( borderRadius.type() == QVariant::Double
if ( borderRadius.type() == QVariant::Double
&& frameWidth.type() == QVariant::Int )
{
const double br = borderRadius.toDouble();
const int fw = frameWidth.toInt();
if ( br > 0.0 && fw > 0 )
{
painter.setPen( QPen( Qt::color1, fw ) );
@@ -114,8 +143,8 @@ QwtPlotPanner::QwtPlotPanner( QWidget *canvas ):
{
d_data = new PrivateData();
connect( this, SIGNAL( panned( int, int ) ),
SLOT( moveCanvas( int, int ) ) );
connect( this, SIGNAL(panned(int,int)),
SLOT(moveCanvas(int,int)) );
}
//! Destructor
@@ -256,7 +285,7 @@ QBitmap QwtPlotPanner::contentsMask() const
\return Pixmap with the content of the canvas
*/
QPixmap QwtPlotPanner::grab() const
{
{
const QWidget *cv = canvas();
if ( cv && cv->inherits( "QGLWidget" ) )
{
@@ -272,5 +301,5 @@ QPixmap QwtPlotPanner::grab() const
}
return QwtPanner::grab();
}
}