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This commit is contained in:
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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114
qwtdemo/qwt/qwt_graphic.cpp
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@@ -16,7 +16,7 @@
#include <qpixmap.h>
#include <qpainterpath.h>
#include <qmath.h>
#include <QPainterPath>
static bool qwtHasScalablePen( const QPainter *painter )
{
const QPen pen = painter->pen();
@@ -37,7 +37,7 @@ static bool qwtHasScalablePen( const QPainter *painter )
return scalablePen;
}
static QRectF qwtStrokedPathRect(
static QRectF qwtStrokedPathRect(
const QPainter *painter, const QPainterPath &path )
{
QPainterPathStroker stroker;
@@ -63,8 +63,8 @@ static QRectF qwtStrokedPathRect(
return rect;
}
static inline void qwtExecCommand(
QPainter *painter, const QwtPainterCommand &cmd,
static inline void qwtExecCommand(
QPainter *painter, const QwtPainterCommand &cmd,
QwtGraphic::RenderHints renderHints,
const QTransform &transform,
const QTransform *initialTransform )
@@ -121,7 +121,7 @@ static inline void qwtExecCommand(
case QwtPainterCommand::Image:
{
const QwtPainterCommand::ImageData *data = cmd.imageData();
painter->drawImage( data->rect, data->image,
painter->drawImage( data->rect, data->image,
data->subRect, data->flags );
break;
}
@@ -129,44 +129,44 @@ static inline void qwtExecCommand(
{
const QwtPainterCommand::StateData *data = cmd.stateData();
if ( data->flags & QPaintEngine::DirtyPen )
if ( data->flags & QPaintEngine::DirtyPen )
painter->setPen( data->pen );
if ( data->flags & QPaintEngine::DirtyBrush )
if ( data->flags & QPaintEngine::DirtyBrush )
painter->setBrush( data->brush );
if ( data->flags & QPaintEngine::DirtyBrushOrigin )
if ( data->flags & QPaintEngine::DirtyBrushOrigin )
painter->setBrushOrigin( data->brushOrigin );
if ( data->flags & QPaintEngine::DirtyFont )
if ( data->flags & QPaintEngine::DirtyFont )
painter->setFont( data->font );
if ( data->flags & QPaintEngine::DirtyBackground )
if ( data->flags & QPaintEngine::DirtyBackground )
{
painter->setBackgroundMode( data->backgroundMode );
painter->setBackground( data->backgroundBrush );
}
if ( data->flags & QPaintEngine::DirtyTransform )
if ( data->flags & QPaintEngine::DirtyTransform )
{
painter->setTransform( data->transform * transform );
}
if ( data->flags & QPaintEngine::DirtyClipEnabled )
if ( data->flags & QPaintEngine::DirtyClipEnabled )
painter->setClipping( data->isClipEnabled );
if ( data->flags & QPaintEngine::DirtyClipRegion)
if ( data->flags & QPaintEngine::DirtyClipRegion)
{
painter->setClipRegion( data->clipRegion,
painter->setClipRegion( data->clipRegion,
data->clipOperation );
}
if ( data->flags & QPaintEngine::DirtyClipPath )
if ( data->flags & QPaintEngine::DirtyClipPath )
{
painter->setClipPath( data->clipPath, data->clipOperation );
}
if ( data->flags & QPaintEngine::DirtyHints)
if ( data->flags & QPaintEngine::DirtyHints)
{
const QPainter::RenderHints hints = data->renderHints;
@@ -186,10 +186,10 @@ static inline void qwtExecCommand(
hints.testFlag( QPainter::NonCosmeticDefaultPen ) );
}
if ( data->flags & QPaintEngine::DirtyCompositionMode)
if ( data->flags & QPaintEngine::DirtyCompositionMode)
painter->setCompositionMode( data->compositionMode );
if ( data->flags & QPaintEngine::DirtyOpacity)
if ( data->flags & QPaintEngine::DirtyOpacity)
painter->setOpacity( data->opacity );
break;
@@ -209,7 +209,7 @@ public:
// QVector needs a default constructor
}
PathInfo( const QRectF &pointRect,
PathInfo( const QRectF &pointRect,
const QRectF &boundingRect, bool scalablePen ):
d_pointRect( pointRect ),
d_boundingRect( boundingRect ),
@@ -246,7 +246,7 @@ public:
return rect;
}
inline double scaleFactorX( const QRectF& pathRect,
inline double scaleFactorX( const QRectF& pathRect,
const QRectF &targetRect, bool scalePens ) const
{
if ( pathRect.width() <= 0.0 )
@@ -257,7 +257,7 @@ public:
const double l = qAbs( pathRect.left() - p0.x() );
const double r = qAbs( pathRect.right() - p0.x() );
const double w = 2.0 * qMin( l, r )
const double w = 2.0 * qMin( l, r )
* targetRect.width() / pathRect.width();
double sx;
@@ -267,7 +267,7 @@ public:
}
else
{
const double pw = qMax(
const double pw = qMax(
qAbs( d_boundingRect.left() - d_pointRect.left() ),
qAbs( d_boundingRect.right() - d_pointRect.right() ) );
@@ -277,7 +277,7 @@ public:
return sx;
}
inline double scaleFactorY( const QRectF& pathRect,
inline double scaleFactorY( const QRectF& pathRect,
const QRectF &targetRect, bool scalePens ) const
{
if ( pathRect.height() <= 0.0 )
@@ -288,7 +288,7 @@ public:
const double t = qAbs( pathRect.top() - p0.y() );
const double b = qAbs( pathRect.bottom() - p0.y() );
const double h = 2.0 * qMin( t, b )
const double h = 2.0 * qMin( t, b )
* targetRect.height() / pathRect.height();
double sy;
@@ -298,7 +298,7 @@ public:
}
else
{
const double pw =
const double pw =
qMax( qAbs( d_boundingRect.top() - d_pointRect.top() ),
qAbs( d_boundingRect.bottom() - d_pointRect.bottom() ) );
@@ -351,7 +351,7 @@ QwtGraphic::QwtGraphic():
/*!
\brief Copy constructor
\param other Source
\param other Source
\sa operator=()
*/
QwtGraphic::QwtGraphic( const QwtGraphic &other ):
@@ -370,7 +370,7 @@ QwtGraphic::~QwtGraphic()
/*!
\brief Assignment operator
\param other Source
\param other Source
\return A reference of this object
*/
QwtGraphic& QwtGraphic::operator=(const QwtGraphic &other)
@@ -382,10 +382,10 @@ QwtGraphic& QwtGraphic::operator=(const QwtGraphic &other)
}
/*!
\brief Clear all stored commands
\brief Clear all stored commands
\sa isNull()
*/
void QwtGraphic::reset()
void QwtGraphic::reset()
{
d_data->commands.clear();
d_data->pathInfos.clear();
@@ -459,7 +459,7 @@ QRectF QwtGraphic::boundingRect() const
}
/*!
The control point rectangle is the bounding rectangle
The control point rectangle is the bounding rectangle
of all control points of the paths and the target
rectangles of the images/pixmaps.
@@ -477,10 +477,10 @@ QRectF QwtGraphic::controlPointRect() const
/*!
\brief Calculate the target rectangle for scaling the graphic
\param sx Horizontal scaling factor
\param sy Vertical scaling factor
\param sx Horizontal scaling factor
\param sy Vertical scaling factor
\note In case of paths that are painted with a cosmetic pen
\note In case of paths that are painted with a cosmetic pen
( see QPen::isCosmetic() ) the target rectangle is different to
multiplying the bounding rectangle.
@@ -499,7 +499,7 @@ QRectF QwtGraphic::scaledBoundingRect( double sx, double sy ) const
for ( int i = 0; i < d_data->pathInfos.size(); i++ )
{
rect |= d_data->pathInfos[i].scaledBoundingRect( sx, sy,
rect |= d_data->pathInfos[i].scaledBoundingRect( sx, sy,
!d_data->renderHints.testFlag( RenderPensUnscaled ) );
}
@@ -518,11 +518,11 @@ QSize QwtGraphic::sizeMetrics() const
The default size is used in all methods rendering the graphic,
where no size is explicitly specified. Assigning an empty size
means, that the default size will be calculated from the bounding
means, that the default size will be calculated from the bounding
rectangle.
The default setting is an empty size.
\param size Default size
\sa defaultSize(), boundingRect()
@@ -543,7 +543,7 @@ void QwtGraphic::setDefaultSize( const QSizeF &size )
of the bounding rectangle.
The default size is used in all methods rendering the graphic,
where no size is explicitly specified.
where no size is explicitly specified.
\return Default size
\sa setDefaultSize(), boundingRect()
@@ -574,7 +574,7 @@ void QwtGraphic::render( QPainter *painter ) const
for ( int i = 0; i < numCommands; i++ )
{
qwtExecCommand( painter, commands[i],
qwtExecCommand( painter, commands[i],
d_data->renderHints, transform, d_data->initialTransform );
}
@@ -591,7 +591,7 @@ void QwtGraphic::render( QPainter *painter ) const
\param size Size for the scaled graphic
\param aspectRatioMode Mode how to scale - See Qt::AspectRatioMode
*/
void QwtGraphic::render( QPainter *painter, const QSizeF &size,
void QwtGraphic::render( QPainter *painter, const QSizeF &size,
Qt::AspectRatioMode aspectRatioMode ) const
{
const QRectF r( 0.0, 0.0, size.width(), size.height() );
@@ -607,13 +607,13 @@ void QwtGraphic::render( QPainter *painter, const QSizeF &size,
\param rect Rectangle for the scaled graphic
\param aspectRatioMode Mode how to scale - See Qt::AspectRatioMode
*/
void QwtGraphic::render( QPainter *painter, const QRectF &rect,
void QwtGraphic::render( QPainter *painter, const QRectF &rect,
Qt::AspectRatioMode aspectRatioMode ) const
{
if ( isEmpty() || rect.isEmpty() )
return;
double sx = 1.0;
double sx = 1.0;
double sy = 1.0;
if ( d_data->pointRect.width() > 0.0 )
@@ -622,20 +622,20 @@ void QwtGraphic::render( QPainter *painter, const QRectF &rect,
if ( d_data->pointRect.height() > 0.0 )
sy = rect.height() / d_data->pointRect.height();
const bool scalePens =
const bool scalePens =
!d_data->renderHints.testFlag( RenderPensUnscaled );
for ( int i = 0; i < d_data->pathInfos.size(); i++ )
{
const PathInfo info = d_data->pathInfos[i];
const double ssx = info.scaleFactorX(
const double ssx = info.scaleFactorX(
d_data->pointRect, rect, scalePens );
if ( ssx > 0.0 )
sx = qMin( sx, ssx );
const double ssy = info.scaleFactorY(
const double ssy = info.scaleFactorY(
d_data->pointRect, rect, scalePens );
if ( ssy > 0.0 )
@@ -665,7 +665,7 @@ void QwtGraphic::render( QPainter *painter, const QRectF &rect,
if ( !scalePens && transform.isScaling() )
{
// we don't want to scale pens according to sx/sy,
// but we want to apply the scaling from the
// but we want to apply the scaling from the
// painter transformation later
d_data->initialTransform = new QTransform();
@@ -689,10 +689,10 @@ void QwtGraphic::render( QPainter *painter, const QRectF &rect,
\param painter Qt painter
\param pos Reference point, where to render
\param alignment Flags how to align the target rectangle
\param alignment Flags how to align the target rectangle
to pos.
*/
void QwtGraphic::render( QPainter *painter,
void QwtGraphic::render( QPainter *painter,
const QPointF &pos, Qt::Alignment alignment ) const
{
QRectF r( pos, defaultSize() );
@@ -728,16 +728,16 @@ void QwtGraphic::render( QPainter *painter,
/*!
\brief Convert the graphic to a QPixmap
All pixels of the pixmap get initialized by Qt::transparent
before the graphic is scaled and rendered on it.
The size of the pixmap is the default size ( ceiled to integers )
of the graphic.
\return The graphic as pixmap in default size
\sa defaultSize(), toImage(), render()
*/
*/
QPixmap QwtGraphic::toPixmap() const
{
if ( isNull() )
@@ -818,7 +818,7 @@ QImage QwtGraphic::toImage( const QSize &size,
/*!
\brief Convert the graphic to a QImage
All pixels of the image get initialized by 0 ( transparent )
before the graphic is scaled and rendered on it.
@@ -826,7 +826,7 @@ QImage QwtGraphic::toImage( const QSize &size,
The size of the image is the default size ( ceiled to integers )
of the graphic.
\return The graphic as image in default size
\sa defaultSize(), toPixmap(), render()
*/
@@ -873,7 +873,7 @@ void QwtGraphic::drawPath( const QPainterPath &path )
QRectF pointRect = scaledPath.boundingRect();
QRectF boundingRect = pointRect;
if ( painter->pen().style() != Qt::NoPen
if ( painter->pen().style() != Qt::NoPen
&& painter->pen().brush().style() != Qt::NoBrush )
{
boundingRect = qwtStrokedPathRect( painter, path );
@@ -882,7 +882,7 @@ void QwtGraphic::drawPath( const QPainterPath &path )
updateControlPointRect( pointRect );
updateBoundingRect( boundingRect );
d_data->pathInfos += PathInfo( pointRect,
d_data->pathInfos += PathInfo( pointRect,
boundingRect, qwtHasScalablePen( painter ) );
}
}
@@ -896,7 +896,7 @@ void QwtGraphic::drawPath( const QPainterPath &path )
\sa QPaintEngine::drawPixmap()
*/
void QwtGraphic::drawPixmap( const QRectF &rect,
void QwtGraphic::drawPixmap( const QRectF &rect,
const QPixmap &pixmap, const QRectF &subRect )
{
const QPainter *painter = paintEngine()->painter();
@@ -996,8 +996,8 @@ void QwtGraphic::setCommands( QVector< QwtPainterCommand > &commands )
if ( numCommands <= 0 )
return;
// to calculate a proper bounding rectangle we don't simply copy
// the commands.
// to calculate a proper bounding rectangle we don't simply copy
// the commands.
const QwtPainterCommand *cmds = commands.constData();