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authorLars Knoll <lars.knoll@nokia.com>2009-03-23 09:34:13 (GMT)
committerSimon Hausmann <simon.hausmann@nokia.com>2009-03-23 09:34:13 (GMT)
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Long live Qt!
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+/****************************************************************************
+**
+** 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 &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