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author | Lars Knoll <lars.knoll@nokia.com> | 2009-03-23 09:34:13 (GMT) |
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committer | Simon Hausmann <simon.hausmann@nokia.com> | 2009-03-23 09:34:13 (GMT) |
commit | 67ad0519fd165acee4a4d2a94fa502e9e4847bd0 (patch) | |
tree | 1dbf50b3dff8d5ca7e9344733968c72704eb15ff /src/gui/painting/qbrush.h | |
download | Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.zip Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.gz Qt-67ad0519fd165acee4a4d2a94fa502e9e4847bd0.tar.bz2 |
Long live Qt!
Diffstat (limited to 'src/gui/painting/qbrush.h')
-rw-r--r-- | src/gui/painting/qbrush.h | 321 |
1 files changed, 321 insertions, 0 deletions
diff --git a/src/gui/painting/qbrush.h b/src/gui/painting/qbrush.h new file mode 100644 index 0000000..d6d0da3 --- /dev/null +++ b/src/gui/painting/qbrush.h @@ -0,0 +1,321 @@ +/**************************************************************************** +** +** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Contact: Qt Software Information (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the either Technology Preview License Agreement or the +** Beta Release License Agreement. +** +** 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 1.0, 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 are unsure which license is appropriate for your use, please +** contact the sales department at qt-sales@nokia.com. +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QBRUSH_H +#define QBRUSH_H + +#include <QtCore/qpair.h> +#include <QtCore/qpoint.h> +#include <QtCore/qvector.h> +#include <QtGui/qcolor.h> +#include <QtGui/qmatrix.h> +#include <QtGui/qtransform.h> +#include <QtGui/qimage.h> +#include <QtGui/qpixmap.h> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Gui) + +struct QBrushData; +class QPixmap; +class QGradient; +class QVariant; + +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 qHasPixmapTexture(const QBrush& brush); + void detach(Qt::BrushStyle newStyle); + void init(const QColor &color, Qt::BrushStyle bs); + QBrushData *d; + void cleanUp(QBrushData *x); + +public: + inline bool isDetached() const; + typedef QBrushData * 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 ¢er, qreal radius, const QPointF &focalPoint); + QRadialGradient(qreal cx, qreal cy, qreal radius, qreal fx, qreal fy); + + QRadialGradient(const QPointF ¢er, qreal radius); + QRadialGradient(qreal cx, qreal cy, qreal radius); + + QPointF center() const; + void setCenter(const QPointF ¢er); + 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 ¢er, qreal startAngle); + QConicalGradient(qreal cx, qreal cy, qreal startAngle); + + QPointF center() const; + void setCenter(const QPointF ¢er); + 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 |