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tqtinterface/qtinterface/qt4/Qt/qbrush.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QBRUSH_H
#define QBRUSH_H
#include <QtCore/qpair.h>
#include <QtCore/qpoint.h>
#include <QtCore/qvector.h>
#include <QtCore/qscopedpointer.h>
#include <QtGui/qcolor.h>
#include <QtGui/qmatrix.h>
#include <QtGui/qtransform.h>
#include <QtGui/qimage.h>
#include <QtGui/qpixmap.h>
#if defined(Q_OS_VXWORKS)
# if defined(m_data)
# undef m_data
# endif
# if defined(m_type)
# undef m_type
# endif
#endif
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
struct QBrushData;
class QPixmap;
class QGradient;
class QVariant;
struct QBrushDataPointerDeleter;
class Q_GUI_EXPORT QBrush
{
public:
QBrush();
QBrush(Qt::BrushStyle bs);
QBrush(const QColor &color, Qt::BrushStyle bs=Qt::SolidPattern);
QBrush(Qt::GlobalColor color, Qt::BrushStyle bs=Qt::SolidPattern);
QBrush(const QColor &color, const QPixmap &pixmap);
QBrush(Qt::GlobalColor color, const QPixmap &pixmap);
QBrush(const QPixmap &pixmap);
QBrush(const QImage &image);
QBrush(const QBrush &brush);
QBrush(const QGradient &gradient);
~QBrush();
QBrush &operator=(const QBrush &brush);
operator QVariant() const;
inline Qt::BrushStyle style() const;
void setStyle(Qt::BrushStyle);
inline const QMatrix &matrix() const;
void setMatrix(const QMatrix &mat);
inline QTransform transform() const;
void setTransform(const QTransform &);
QPixmap texture() const;
void setTexture(const QPixmap &pixmap);
QImage textureImage() const;
void setTextureImage(const QImage &image);
inline const QColor &color() const;
void setColor(const QColor &color);
inline void setColor(Qt::GlobalColor color);
const QGradient *gradient() const;
bool isOpaque() const;
bool operator==(const QBrush &b) const;
inline bool operator!=(const QBrush &b) const { return !(operator==(b)); }
#ifdef QT3_SUPPORT
inline QT3_SUPPORT operator const QColor&() const;
QT3_SUPPORT QPixmap *pixmap() const;
inline QT3_SUPPORT void setPixmap(const QPixmap &pixmap) { setTexture(pixmap); }
#endif
private:
#if defined(Q_WS_X11)
friend class QX11PaintEngine;
#endif
friend class QRasterPaintEngine;
friend class QRasterPaintEnginePrivate;
friend struct QSpanData;
friend class QPainter;
friend bool Q_GUI_EXPORT qHasPixmapTexture(const QBrush& brush);
void detach(Qt::BrushStyle newStyle);
void init(const QColor &color, Qt::BrushStyle bs);
QScopedPointer<QBrushData, QBrushDataPointerDeleter> d;
void cleanUp(QBrushData *x);
public:
inline bool isDetached() const;
typedef QScopedPointer<QBrushData, QBrushDataPointerDeleter> DataPtr;
inline DataPtr &data_ptr() { return d; }
};
inline void QBrush::setColor(Qt::GlobalColor acolor)
{ setColor(QColor(acolor)); }
Q_DECLARE_TYPEINFO(QBrush, Q_MOVABLE_TYPE);
Q_DECLARE_SHARED(QBrush)
/*****************************************************************************
QBrush stream functions
*****************************************************************************/
#ifndef QT_NO_DATASTREAM
Q_GUI_EXPORT QDataStream &operator<<(QDataStream &, const QBrush &);
Q_GUI_EXPORT QDataStream &operator>>(QDataStream &, QBrush &);
#endif
#ifndef QT_NO_DEBUG_STREAM
Q_GUI_EXPORT QDebug operator<<(QDebug, const QBrush &);
#endif
struct QBrushData
{
QAtomicInt ref;
Qt::BrushStyle style;
QColor color;
QTransform transform;
};
inline Qt::BrushStyle QBrush::style() const { return d->style; }
inline const QColor &QBrush::color() const { return d->color; }
inline const QMatrix &QBrush::matrix() const { return d->transform.toAffine(); }
inline QTransform QBrush::transform() const { return d->transform; }
inline bool QBrush::isDetached() const { return d->ref == 1; }
#ifdef QT3_SUPPORT
inline QBrush::operator const QColor&() const { return d->color; }
#endif
/*******************************************************************************
* QGradients
*/
class QGradientPrivate;
typedef QPair<qreal, QColor> QGradientStop;
typedef QVector<QGradientStop> QGradientStops;
class Q_GUI_EXPORT QGradient
{
Q_GADGET
Q_ENUMS(Type Spread CoordinateMode)
public:
enum Type {
LinearGradient,
RadialGradient,
ConicalGradient,
NoGradient
};
enum Spread {
PadSpread,
ReflectSpread,
RepeatSpread
};
enum CoordinateMode {
LogicalMode,
StretchToDeviceMode,
ObjectBoundingMode
};
enum InterpolationMode {
ColorInterpolation,
ComponentInterpolation
};
QGradient();
Type type() const { return m_type; }
inline void setSpread(Spread spread);
Spread spread() const { return m_spread; }
void setColorAt(qreal pos, const QColor &color);
void setStops(const QGradientStops &stops);
QGradientStops stops() const;
CoordinateMode coordinateMode() const;
void setCoordinateMode(CoordinateMode mode);
InterpolationMode interpolationMode() const;
void setInterpolationMode(InterpolationMode mode);
bool operator==(const QGradient &gradient) const;
inline bool operator!=(const QGradient &other) const
{ return !operator==(other); }
bool operator==(const QGradient &gradient); // ### Qt 5: remove
private:
friend class QLinearGradient;
friend class QRadialGradient;
friend class QConicalGradient;
Type m_type;
Spread m_spread;
QGradientStops m_stops;
union {
struct {
qreal x1, y1, x2, y2;
} linear;
struct {
qreal cx, cy, fx, fy, radius;
} radial;
struct {
qreal cx, cy, angle;
} conical;
} m_data;
void *dummy;
};
inline void QGradient::setSpread(Spread aspread)
{ m_spread = aspread; }
class Q_GUI_EXPORT QLinearGradient : public QGradient
{
public:
QLinearGradient();
QLinearGradient(const QPointF &start, const QPointF &finalStop);
QLinearGradient(qreal xStart, qreal yStart, qreal xFinalStop, qreal yFinalStop);
QPointF start() const;
void setStart(const QPointF &start);
inline void setStart(qreal x, qreal y) { setStart(QPointF(x, y)); }
QPointF finalStop() const;
void setFinalStop(const QPointF &stop);
inline void setFinalStop(qreal x, qreal y) { setFinalStop(QPointF(x, y)); }
};
class Q_GUI_EXPORT QRadialGradient : public QGradient
{
public:
QRadialGradient();
QRadialGradient(const QPointF &center, qreal radius, const QPointF &focalPoint);
QRadialGradient(qreal cx, qreal cy, qreal radius, qreal fx, qreal fy);
QRadialGradient(const QPointF &center, qreal radius);
QRadialGradient(qreal cx, qreal cy, qreal radius);
QPointF center() const;
void setCenter(const QPointF &center);
inline void setCenter(qreal x, qreal y) { setCenter(QPointF(x, y)); }
QPointF focalPoint() const;
void setFocalPoint(const QPointF &focalPoint);
inline void setFocalPoint(qreal x, qreal y) { setFocalPoint(QPointF(x, y)); }
qreal radius() const;
void setRadius(qreal radius);
};
class Q_GUI_EXPORT QConicalGradient : public QGradient
{
public:
QConicalGradient();
QConicalGradient(const QPointF &center, qreal startAngle);
QConicalGradient(qreal cx, qreal cy, qreal startAngle);
QPointF center() const;
void setCenter(const QPointF &center);
inline void setCenter(qreal x, qreal y) { setCenter(QPointF(x, y)); }
qreal angle() const;
void setAngle(qreal angle);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QBRUSH_H