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Internal/Contributor docs for the Qt SDK. Note: These are NOT official API docs; those are found at https://doc.qt.io/
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QStroker Class Reference

#include <qstroker_p.h>

Inheritance diagram for QStroker:
Collaboration diagram for QStroker:

Public Types

enum  LineJoinMode {
  FlatJoin , SquareJoin , MiterJoin , RoundJoin ,
  RoundCap , SvgMiterJoin
}

Public Member Functions

 QStroker ()
 ~QStroker ()
void setStrokeWidth (qfixed widthwidth)
qfixed strokeWidth () const
void setCapStyle (Qt::PenCapStyle capStyle)
Qt::PenCapStyle capStyle () const
LineJoinMode capStyleMode () const
void setJoinStyle (Qt::PenJoinStyle style)
Qt::PenJoinStyle joinStyle () const
LineJoinMode joinStyleMode () const
void setMiterLimit (qfixed lengthlength)
qfixed miterLimit () const
void setForceOpen (bool state)
bool forceOpen () const
void joinPoints (qfixed x, qfixed y, const QLineF &nextLine, LineJoinMode join)
void emitMoveTo (qfixed xx, qfixed yy)
void emitLineTo (qfixed xx, qfixed yy)
void emitCubicTo (qfixed c1x, qfixed c1y, qfixed c2x, qfixed c2y, qfixed ex, qfixed ey)
Public Member Functions inherited from QStrokerOps
 QStrokerOps ()
virtual ~QStrokerOps ()
void setMoveToHook (qStrokerMoveToHook moveToHook)
void setLineToHook (qStrokerLineToHook lineToHook)
void setCubicToHook (qStrokerCubicToHook cubicToHook)
virtual void begin (void *customData)
 Prepares the stroker.
virtual void end ()
 Finishes the stroke.
void moveTo (qfixed xx, qfixed yy)
void lineTo (qfixed xx, qfixed yy)
void cubicTo (qfixed x1x1, qfixed y1y1, qfixed x2x2, qfixed y2y2, qfixed ex, qfixed ey)
void strokePath (const QPainterPath &pathpath, void *data, const QTransform &matrixmatrix)
 Convenience function that decomposes path into begin(), moveTo(), lineTo(), curevTo() and end() calls.
void strokePolygon (const QPointF *pointspoints, int pointCount, bool implicit_close, void *datadata, const QTransform &matrixmatrix)
 Convenience function for stroking a polygon of the pointCount first points in points.
void strokeEllipse (const QRectF &ellipse, void *datadata, const QTransform &matrixmatrix)
 Convenience function for stroking an ellipse with bounding rect rect.
QRectF clipRect () const
void setClipRect (const QRectF &clip)
void setCurveThresholdFromTransform (const QTransform &transformtransform)
void setCurveThreshold (qfixed threshold)
qfixed curveThreshold () const
bool curveThresholdExplicitlySet () const

Protected Member Functions

void processCurrentSubpath () override
Protected Member Functions inherited from QStrokerOps
void emitMoveTo (qfixed xx, qfixed yy)
void emitLineTo (qfixed xx, qfixed yy)
void emitCubicTo (qfixed c1x, qfixed c1y, qfixed c2x, qfixed c2y, qfixed ex, qfixed ey)

Static Protected Member Functions

static Qt::PenCapStyle capForJoinMode (LineJoinMode modemode)
static LineJoinMode joinModeForCap (Qt::PenCapStyle)
static Qt::PenJoinStyle joinForJoinMode (LineJoinMode modemode)
static LineJoinMode joinModeForJoin (Qt::PenJoinStyle joinStyle)

Protected Attributes

qfixed m_strokeWidth
qfixed m_miterLimit
LineJoinMode m_capStyle
LineJoinMode m_joinStyle
qfixed m_back1X
qfixed m_back1Y
qfixed m_back2X
qfixed m_back2Y
bool m_forceOpen
Protected Attributes inherited from QStrokerOps
QDataBuffer< Element > m_elements
QRectF m_clip_rect
qfixed m_curveThreshold
qfixed m_dashThreshold
bool m_curveThresholdExplicitlySet
void * m_customData
qStrokerMoveToHook m_moveTo
qStrokerLineToHook m_lineTo
qStrokerCubicToHook m_cubicTo

Detailed Description

Definition at line 171 of file qstroker_p.h.

Member Enumeration Documentation

◆ LineJoinMode

enum QStroker::LineJoinMode
Enumerator
FlatJoin 
SquareJoin 
MiterJoin 
RoundJoin 
RoundCap 
SvgMiterJoin 

Definition at line 175 of file qstroker_p.h.

Constructor & Destructor Documentation

◆ QStroker()

QStroker::QStroker ( )

Definition at line 337 of file qstroker.cpp.

◆ ~QStroker()

QStroker::~QStroker ( )

Definition at line 347 of file qstroker.cpp.

Member Function Documentation

◆ capForJoinMode()

Qt::PenCapStyle QStroker::capForJoinMode ( LineJoinMode mode)
staticprotected

Definition at line 351 of file qstroker.cpp.

◆ capStyle()

Qt::PenCapStyle QStroker::capStyle ( ) const
inline

Definition at line 195 of file qstroker_p.h.

◆ capStyleMode()

LineJoinMode QStroker::capStyleMode ( ) const
inline

Definition at line 196 of file qstroker_p.h.

◆ emitCubicTo()

void QStroker::emitCubicTo ( qfixed c1x,
qfixed c1y,
qfixed c2x,
qfixed c2y,
qfixed ex,
qfixed ey )
inline

Definition at line 340 of file qstroker_p.h.

◆ emitLineTo()

void QStroker::emitLineTo ( qfixed x,
qfixed y )
inline

Definition at line 331 of file qstroker_p.h.

◆ emitMoveTo()

void QStroker::emitMoveTo ( qfixed x,
qfixed y )
inline

Definition at line 322 of file qstroker_p.h.

◆ forceOpen()

bool QStroker::forceOpen ( ) const
inline

Definition at line 206 of file qstroker_p.h.

◆ joinForJoinMode()

Qt::PenJoinStyle QStroker::joinForJoinMode ( LineJoinMode mode)
staticprotected

Definition at line 365 of file qstroker.cpp.

◆ joinModeForCap()

QStroker::LineJoinMode QStroker::joinModeForCap ( Qt::PenCapStyle style)
staticprotected

Definition at line 358 of file qstroker.cpp.

◆ joinModeForJoin()

QStroker::LineJoinMode QStroker::joinModeForJoin ( Qt::PenJoinStyle joinStyle)
staticprotected

Definition at line 373 of file qstroker.cpp.

◆ joinPoints()

void QStroker::joinPoints ( qfixed focal_x,
qfixed focal_y,
const QLineF & nextLine,
LineJoinMode join )

Definition at line 409 of file qstroker.cpp.

◆ joinStyle()

Qt::PenJoinStyle QStroker::joinStyle ( ) const
inline

Definition at line 199 of file qstroker_p.h.

◆ joinStyleMode()

LineJoinMode QStroker::joinStyleMode ( ) const
inline

Definition at line 200 of file qstroker_p.h.

◆ miterLimit()

qfixed QStroker::miterLimit ( ) const
inline

Definition at line 203 of file qstroker_p.h.

◆ processCurrentSubpath()

void QStroker::processCurrentSubpath ( )
overrideprotectedvirtual

This function is called to stroke the currently built up subpath. The subpath is cleared when the function completes.

Implements QStrokerOps.

Definition at line 387 of file qstroker.cpp.

◆ setCapStyle()

void QStroker::setCapStyle ( Qt::PenCapStyle capStyle)
inline

Definition at line 194 of file qstroker_p.h.

◆ setForceOpen()

void QStroker::setForceOpen ( bool state)
inline

Definition at line 205 of file qstroker_p.h.

◆ setJoinStyle()

void QStroker::setJoinStyle ( Qt::PenJoinStyle style)
inline

Definition at line 198 of file qstroker_p.h.

◆ setMiterLimit()

void QStroker::setMiterLimit ( qfixed length)
inline

Definition at line 202 of file qstroker_p.h.

◆ setStrokeWidth()

void QStroker::setStrokeWidth ( qfixed width)
inline

Definition at line 187 of file qstroker_p.h.

◆ strokeWidth()

qfixed QStroker::strokeWidth ( ) const
inline

Definition at line 192 of file qstroker_p.h.

Member Data Documentation

◆ m_back1X

qfixed QStroker::m_back1X
protected

Definition at line 228 of file qstroker_p.h.

◆ m_back1Y

qfixed QStroker::m_back1Y
protected

Definition at line 229 of file qstroker_p.h.

◆ m_back2X

qfixed QStroker::m_back2X
protected

Definition at line 231 of file qstroker_p.h.

◆ m_back2Y

qfixed QStroker::m_back2Y
protected

Definition at line 232 of file qstroker_p.h.

◆ m_capStyle

LineJoinMode QStroker::m_capStyle
protected

Definition at line 225 of file qstroker_p.h.

◆ m_forceOpen

bool QStroker::m_forceOpen
protected

Definition at line 234 of file qstroker_p.h.

◆ m_joinStyle

LineJoinMode QStroker::m_joinStyle
protected

Definition at line 226 of file qstroker_p.h.

◆ m_miterLimit

qfixed QStroker::m_miterLimit
protected

Definition at line 223 of file qstroker_p.h.

◆ m_strokeWidth

qfixed QStroker::m_strokeWidth
protected

Definition at line 222 of file qstroker_p.h.

The documentation for this class was generated from the following files: