qbezier.cpp File Reference

(3cc693d2565c5633382517145822bb5edc3106cd)

#include "qbezier_p.h"
#include <qdebug.h>
#include <qline.h>
#include <qmath.h>
#include <qpolygon.h>
#include <private/qnumeric_p.h>
#include <tuple>

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Macros
#define	KAPPA   qreal(0.5522847498)

Enumerations
enum	ShiftResult { Ok , Discard , Split , Circle }

Functions
static ShiftResult	good_offset (const QBezier *b1, const QBezier *b2, qreal offset, qreal threshold)
static QT_WARNING_DISABLE_FLOAT_COMPARE ShiftResult	shift (const QBezier *orig, QBezier *shifted, qreal offset, qreal threshold)
static bool	addCircle (const QBezier *b, qreal offset, QBezier *o)

Macro Definition Documentation

KAPPA

#define KAPPA   qreal(0.5522847498)

Definition at line 292 of file qbezier.cpp.

Referenced by addCircle(), and QPaintEngineEx::drawRoundedRect().

Enumeration Type Documentation

ShiftResult

enum ShiftResult

Enumerator
Ok
Discard
Split
Circle

Definition at line 172 of file qbezier.cpp.

Function Documentation

addCircle()

static bool addCircle ( const QBezier * b, qreal offset, QBezier * o )

static

Definition at line 295 of file qbezier.cpp.

References dist(), i, KAPPA, M_1_PI, o, qAcos(), qFuzzyIsNull(), qSqrt(), sign(), QPointF::x(), and QPointF::y().

Referenced by QBezier::shifted().

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good_offset()

static ShiftResult good_offset ( const QBezier * b1, const QBezier * b2, qreal offset, qreal threshold )

static

Definition at line 179 of file qbezier.cpp.

References d, i, Ok, p1, p2, qAbs(), spacing, and Split.

Referenced by shift().

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shift()

static QT_WARNING_DISABLE_FLOAT_COMPARE ShiftResult shift ( const QBezier * orig, QBezier * shifted, qreal offset, qreal threshold )

static

Definition at line 207 of file qbezier.cpp.

References QBezier::bounds(), Circle, Discard, dot(), QBezier::fromPoints(), good_offset(), i, QLineF::length(), map, next, QLineF::normalVector(), Ok, qFuzzyCompare(), qFuzzyIsNull(), QPointF::x(), QBezier::x1, QBezier::x2, QBezier::x3, QBezier::x4, QBezier::y1, QBezier::y2, QBezier::y3, and QBezier::y4.

Referenced by qfloat16::qfloat16(), QDoubleSpinBoxPrivate::calculateAdaptiveDecimalStep(), checksum(), decodePolyline(), do_mirror(), parsePolyline(), qt_memrotate270_tiled(), qt_memrotate90_tiled(), QT_BEGIN_NAMESPACE::qt_static_shift(), rotateSlashesDotsAndMiddots(), setKbdState(), QSGDistanceFieldShiftedStyleTextMaterial::setShift(), QSGStyledTextMaterial::setStyleShift(), QBezier::shifted(), and DistanceFieldShiftedStyleTextMaterialRhiShader::updateUniformData().

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