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/****************************************************************************
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**
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qpaintengineex_p.h"
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#include "qpainter_p.h"
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#include "qstroker_p.h"
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#include "qbezier_p.h"
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#include <private/qpainterpath_p.h>
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#include <qvarlengtharray.h>
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#include <qdebug.h>
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QT_BEGIN_NAMESPACE
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/*******************************************************************************
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*
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* class QVectorPath
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*
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*/
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QRectF QVectorPath::controlPointRect() const
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{
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if (m_hints & ControlPointRect)
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return QRectF(QPointF(m_cp_rect.x1, m_cp_rect.y1), QPointF(m_cp_rect.x2, m_cp_rect.y2));
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if (m_count == 0) {
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m_cp_rect.x1 = m_cp_rect.x2 = m_cp_rect.y1 = m_cp_rect.y2 = 0;
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m_hints |= ControlPointRect;
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return QRectF(QPointF(m_cp_rect.x1, m_cp_rect.y1), QPointF(m_cp_rect.x2, m_cp_rect.y2));
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}
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Q_ASSERT(m_points && m_count > 0);
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const qreal *pts = m_points;
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m_cp_rect.x1 = m_cp_rect.x2 = *pts;
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++pts;
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m_cp_rect.y1 = m_cp_rect.y2 = *pts;
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++pts;
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const qreal *epts = m_points + (m_count << 1);
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while (pts < epts) {
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qreal x = *pts;
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if (x < m_cp_rect.x1) m_cp_rect.x1 = x;
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else if (x > m_cp_rect.x2) m_cp_rect.x2 = x;
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++pts;
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qreal y = *pts;
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if (y < m_cp_rect.y1) m_cp_rect.y1 = y;
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else if (y > m_cp_rect.y2) m_cp_rect.y2 = y;
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++pts;
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}
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m_hints |= ControlPointRect;
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return QRectF(QPointF(m_cp_rect.x1, m_cp_rect.y1), QPointF(m_cp_rect.x2, m_cp_rect.y2));
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}
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const QVectorPath &qtVectorPathForPath(const QPainterPath &path)
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{
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Q_ASSERT(path.d_func());
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return path.d_func()->vectorPath();
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}
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#ifndef QT_NO_DEBUG_STREAM
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QDebug Q_GUI_EXPORT &operator<<(QDebug &s, const QVectorPath &path)
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{
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QRectF rf = path.controlPointRect();
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s << "QVectorPath(size:" << path.elementCount()
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<< " hints:" << hex << path.hints()
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<< rf << ')';
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return s;
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}
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#endif
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/*******************************************************************************
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*
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* class QPaintEngineExPrivate:
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*
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*/
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struct StrokeHandler {
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QDataBuffer<qreal> pts;
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QDataBuffer<QPainterPath::ElementType> types;
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};
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QPaintEngineExPrivate::QPaintEngineExPrivate()
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: dasher(&stroker),
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strokeHandler(0),
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activeStroker(0),
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strokerPen(Qt::NoPen)
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{
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}
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QPaintEngineExPrivate::~QPaintEngineExPrivate()
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{
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delete strokeHandler;
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}
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void QPaintEngineExPrivate::replayClipOperations()
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{
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Q_Q(QPaintEngineEx);
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QPainter *p = q->painter();
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if (!p || !p->d_ptr)
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return;
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QList<QPainterClipInfo> clipInfo = p->d_ptr->state->clipInfo;
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QTransform transform = q->state()->matrix;
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for (int i = 0; i < clipInfo.size(); ++i) {
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const QPainterClipInfo &info = clipInfo.at(i);
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if (info.matrix != q->state()->matrix) {
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q->state()->matrix = info.matrix;
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q->transformChanged();
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}
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switch (info.clipType) {
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case QPainterClipInfo::RegionClip:
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q->clip(info.region, info.operation);
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break;
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case QPainterClipInfo::PathClip:
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q->clip(info.path, info.operation);
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break;
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case QPainterClipInfo::RectClip:
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q->clip(info.rect, info.operation);
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break;
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case QPainterClipInfo::RectFClip: {
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qreal right = info.rectf.x() + info.rectf.width();
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qreal bottom = info.rectf.y() + info.rectf.height();
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qreal pts[] = { info.rectf.x(), info.rectf.y(),
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right, info.rectf.y(),
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right, bottom,
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info.rectf.x(), bottom };
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QVectorPath vp(pts, 4, 0, QVectorPath::RectangleHint);
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q->clip(vp, info.operation);
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break;
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}
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}
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}
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if (transform != q->state()->matrix) {
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q->state()->matrix = transform;
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q->transformChanged();
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}
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}
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bool QPaintEngineExPrivate::hasClipOperations() const
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{
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Q_Q(const QPaintEngineEx);
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QPainter *p = q->painter();
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if (!p || !p->d_ptr)
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return false;
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QList<QPainterClipInfo> clipInfo = p->d_ptr->state->clipInfo;
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return !clipInfo.isEmpty();
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}
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/*******************************************************************************
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*
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* class QPaintEngineEx:
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*
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*/
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static QPainterPath::ElementType qpaintengineex_ellipse_types[] = {
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QPainterPath::MoveToElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement
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};
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static QPainterPath::ElementType qpaintengineex_line_types_16[] = {
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement,
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QPainterPath::MoveToElement, QPainterPath::LineToElement
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};
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static QPainterPath::ElementType qpaintengineex_rect4_types_32[] = {
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 1
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 2
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 3
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 4
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 5
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 6
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 7
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 8
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 9
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 10
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 11
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 12
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 13
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 14
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 15
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 16
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 17
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 18
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 19
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 20
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 21
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 22
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 23
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 24
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 25
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 26
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 27
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 28
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 29
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 30
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 31
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QPainterPath::MoveToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, QPainterPath::LineToElement, // 32
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};
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static QPainterPath::ElementType qpaintengineex_roundedrect_types[] = {
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QPainterPath::MoveToElement,
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QPainterPath::LineToElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::LineToElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::LineToElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::LineToElement,
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QPainterPath::CurveToElement,
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QPainterPath::CurveToDataElement,
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QPainterPath::CurveToDataElement
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};
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static void qpaintengineex_moveTo(qreal x, qreal y, void *data) {
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((StrokeHandler *) data)->pts.add(x);
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((StrokeHandler *) data)->pts.add(y);
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((StrokeHandler *) data)->types.add(QPainterPath::MoveToElement);
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}
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static void qpaintengineex_lineTo(qreal x, qreal y, void *data) {
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((StrokeHandler *) data)->pts.add(x);
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|
314 |
((StrokeHandler *) data)->pts.add(y);
|
|
|
315 |
((StrokeHandler *) data)->types.add(QPainterPath::LineToElement);
|
|
|
316 |
}
|
|
|
317 |
|
|
|
318 |
static void qpaintengineex_cubicTo(qreal c1x, qreal c1y, qreal c2x, qreal c2y, qreal ex, qreal ey, void *data) {
|
|
|
319 |
((StrokeHandler *) data)->pts.add(c1x);
|
|
|
320 |
((StrokeHandler *) data)->pts.add(c1y);
|
|
|
321 |
((StrokeHandler *) data)->types.add(QPainterPath::CurveToElement);
|
|
|
322 |
|
|
|
323 |
((StrokeHandler *) data)->pts.add(c2x);
|
|
|
324 |
((StrokeHandler *) data)->pts.add(c2y);
|
|
|
325 |
((StrokeHandler *) data)->types.add(QPainterPath::CurveToDataElement);
|
|
|
326 |
|
|
|
327 |
((StrokeHandler *) data)->pts.add(ex);
|
|
|
328 |
((StrokeHandler *) data)->pts.add(ey);
|
|
|
329 |
((StrokeHandler *) data)->types.add(QPainterPath::CurveToDataElement);
|
|
|
330 |
}
|
|
|
331 |
|
|
|
332 |
QPaintEngineEx::QPaintEngineEx()
|
|
|
333 |
: QPaintEngine(*new QPaintEngineExPrivate, AllFeatures)
|
|
|
334 |
{
|
|
|
335 |
extended = true;
|
|
|
336 |
}
|
|
|
337 |
|
|
|
338 |
QPaintEngineEx::QPaintEngineEx(QPaintEngineExPrivate &data)
|
|
|
339 |
: QPaintEngine(data, AllFeatures)
|
|
|
340 |
{
|
|
|
341 |
extended = true;
|
|
|
342 |
}
|
|
|
343 |
|
|
|
344 |
QPainterState *QPaintEngineEx::createState(QPainterState *orig) const
|
|
|
345 |
{
|
|
|
346 |
if (!orig)
|
|
|
347 |
return new QPainterState;
|
|
|
348 |
return new QPainterState(orig);
|
|
|
349 |
}
|
|
|
350 |
|
|
|
351 |
extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale); // qtransform.cpp
|
|
|
352 |
|
|
|
353 |
void QPaintEngineEx::stroke(const QVectorPath &path, const QPen &pen)
|
|
|
354 |
{
|
|
|
355 |
#ifdef QT_DEBUG_DRAW
|
|
|
356 |
qDebug() << "QPaintEngineEx::stroke()" << pen;
|
|
|
357 |
#endif
|
|
|
358 |
|
|
|
359 |
Q_D(QPaintEngineEx);
|
|
|
360 |
|
|
|
361 |
if (path.isEmpty())
|
|
|
362 |
return;
|
|
|
363 |
|
|
|
364 |
if (!d->strokeHandler) {
|
|
|
365 |
d->strokeHandler = new StrokeHandler;
|
|
|
366 |
d->stroker.setMoveToHook(qpaintengineex_moveTo);
|
|
|
367 |
d->stroker.setLineToHook(qpaintengineex_lineTo);
|
|
|
368 |
d->stroker.setCubicToHook(qpaintengineex_cubicTo);
|
|
|
369 |
}
|
|
|
370 |
|
|
|
371 |
if (!qpen_fast_equals(pen, d->strokerPen)) {
|
|
|
372 |
d->strokerPen = pen;
|
|
|
373 |
d->stroker.setJoinStyle(pen.joinStyle());
|
|
|
374 |
d->stroker.setCapStyle(pen.capStyle());
|
|
|
375 |
d->stroker.setMiterLimit(pen.miterLimit());
|
|
|
376 |
qreal penWidth = pen.widthF();
|
|
|
377 |
if (penWidth == 0)
|
|
|
378 |
d->stroker.setStrokeWidth(1);
|
|
|
379 |
else
|
|
|
380 |
d->stroker.setStrokeWidth(penWidth);
|
|
|
381 |
|
|
|
382 |
Qt::PenStyle style = pen.style();
|
|
|
383 |
if (style == Qt::SolidLine) {
|
|
|
384 |
d->activeStroker = &d->stroker;
|
|
|
385 |
} else if (style == Qt::NoPen) {
|
|
|
386 |
d->activeStroker = 0;
|
|
|
387 |
} else {
|
|
|
388 |
// ### re-enable...
|
|
|
389 |
if (pen.isCosmetic()) {
|
|
|
390 |
d->dasher.setClipRect(d->exDeviceRect);
|
|
|
391 |
} else {
|
|
|
392 |
QRectF clipRect = state()->matrix.inverted().mapRect(QRectF(d->exDeviceRect));
|
|
|
393 |
d->dasher.setClipRect(clipRect);
|
|
|
394 |
}
|
|
|
395 |
d->dasher.setDashPattern(pen.dashPattern());
|
|
|
396 |
d->dasher.setDashOffset(pen.dashOffset());
|
|
|
397 |
d->activeStroker = &d->dasher;
|
|
|
398 |
}
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
if (!d->activeStroker) {
|
|
|
402 |
return;
|
|
|
403 |
}
|
|
|
404 |
|
|
|
405 |
const QPainterPath::ElementType *types = path.elements();
|
|
|
406 |
const qreal *points = path.points();
|
|
|
407 |
int pointCount = path.elementCount();
|
|
|
408 |
|
|
|
409 |
const qreal *lastPoint = points + (pointCount<<1);
|
|
|
410 |
|
|
|
411 |
d->strokeHandler->types.reset();
|
|
|
412 |
d->strokeHandler->pts.reset();
|
|
|
413 |
|
|
|
414 |
// Some engines might decide to optimize for the non-shape hint later on...
|
|
|
415 |
uint flags = QVectorPath::WindingFill;
|
|
|
416 |
if (d->stroker.capStyle() == Qt::RoundCap || d->stroker.joinStyle() == Qt::RoundJoin)
|
|
|
417 |
flags |= QVectorPath::CurvedShapeHint;
|
|
|
418 |
|
|
|
419 |
// ### Perspective Xforms are currently not supported...
|
|
|
420 |
if (!pen.isCosmetic()) {
|
|
|
421 |
// We include cosmetic pens in this case to avoid having to
|
|
|
422 |
// change the current transform. Normal transformed,
|
|
|
423 |
// non-cosmetic pens will be transformed as part of fill
|
|
|
424 |
// later, so they are also covered here..
|
|
|
425 |
d->activeStroker->begin(d->strokeHandler);
|
|
|
426 |
if (types) {
|
|
|
427 |
while (points < lastPoint) {
|
|
|
428 |
switch (*types) {
|
|
|
429 |
case QPainterPath::MoveToElement:
|
|
|
430 |
d->activeStroker->moveTo(points[0], points[1]);
|
|
|
431 |
points += 2;
|
|
|
432 |
++types;
|
|
|
433 |
break;
|
|
|
434 |
case QPainterPath::LineToElement:
|
|
|
435 |
d->activeStroker->lineTo(points[0], points[1]);
|
|
|
436 |
points += 2;
|
|
|
437 |
++types;
|
|
|
438 |
break;
|
|
|
439 |
case QPainterPath::CurveToElement:
|
|
|
440 |
d->activeStroker->cubicTo(points[0], points[1],
|
|
|
441 |
points[2], points[3],
|
|
|
442 |
points[4], points[5]);
|
|
|
443 |
points += 6;
|
|
|
444 |
types += 3;
|
|
|
445 |
flags |= QVectorPath::CurvedShapeHint;
|
|
|
446 |
break;
|
|
|
447 |
default:
|
|
|
448 |
break;
|
|
|
449 |
}
|
|
|
450 |
}
|
|
|
451 |
if (path.hasImplicitClose())
|
|
|
452 |
d->activeStroker->lineTo(path.points()[0], path.points()[1]);
|
|
|
453 |
|
|
|
454 |
} else {
|
|
|
455 |
d->activeStroker->moveTo(points[0], points[1]);
|
|
|
456 |
points += 2;
|
|
|
457 |
++types;
|
|
|
458 |
while (points < lastPoint) {
|
|
|
459 |
d->activeStroker->lineTo(points[0], points[1]);
|
|
|
460 |
points += 2;
|
|
|
461 |
++types;
|
|
|
462 |
}
|
|
|
463 |
if (path.hasImplicitClose())
|
|
|
464 |
d->activeStroker->lineTo(path.points()[0], path.points()[1]);
|
|
|
465 |
}
|
|
|
466 |
d->activeStroker->end();
|
|
|
467 |
|
|
|
468 |
if (!d->strokeHandler->types.size()) // an empty path...
|
|
|
469 |
return;
|
|
|
470 |
|
|
|
471 |
QVectorPath strokePath(d->strokeHandler->pts.data(),
|
|
|
472 |
d->strokeHandler->types.size(),
|
|
|
473 |
d->strokeHandler->types.data(),
|
|
|
474 |
flags);
|
|
|
475 |
fill(strokePath, pen.brush());
|
|
|
476 |
} else {
|
|
|
477 |
// For cosmetic pens we need a bit of trickery... We to process xform the input points
|
|
|
478 |
if (state()->matrix.type() >= QTransform::TxProject) {
|
|
|
479 |
QPainterPath painterPath = state()->matrix.map(path.convertToPainterPath());
|
|
|
480 |
d->activeStroker->strokePath(painterPath, d->strokeHandler, QTransform());
|
|
|
481 |
} else {
|
|
|
482 |
d->activeStroker->begin(d->strokeHandler);
|
|
|
483 |
if (types) {
|
|
|
484 |
while (points < lastPoint) {
|
|
|
485 |
switch (*types) {
|
|
|
486 |
case QPainterPath::MoveToElement: {
|
|
|
487 |
QPointF pt = (*(QPointF *) points) * state()->matrix;
|
|
|
488 |
d->activeStroker->moveTo(pt.x(), pt.y());
|
|
|
489 |
points += 2;
|
|
|
490 |
++types;
|
|
|
491 |
break;
|
|
|
492 |
}
|
|
|
493 |
case QPainterPath::LineToElement: {
|
|
|
494 |
QPointF pt = (*(QPointF *) points) * state()->matrix;
|
|
|
495 |
d->activeStroker->lineTo(pt.x(), pt.y());
|
|
|
496 |
points += 2;
|
|
|
497 |
++types;
|
|
|
498 |
break;
|
|
|
499 |
}
|
|
|
500 |
case QPainterPath::CurveToElement: {
|
|
|
501 |
QPointF c1 = ((QPointF *) points)[0] * state()->matrix;
|
|
|
502 |
QPointF c2 = ((QPointF *) points)[1] * state()->matrix;
|
|
|
503 |
QPointF e = ((QPointF *) points)[2] * state()->matrix;
|
|
|
504 |
d->activeStroker->cubicTo(c1.x(), c1.y(), c2.x(), c2.y(), e.x(), e.y());
|
|
|
505 |
points += 6;
|
|
|
506 |
types += 3;
|
|
|
507 |
flags |= QVectorPath::CurvedShapeHint;
|
|
|
508 |
break;
|
|
|
509 |
}
|
|
|
510 |
default:
|
|
|
511 |
break;
|
|
|
512 |
}
|
|
|
513 |
}
|
|
|
514 |
if (path.hasImplicitClose()) {
|
|
|
515 |
QPointF pt = * ((QPointF *) path.points()) * state()->matrix;
|
|
|
516 |
d->activeStroker->lineTo(pt.x(), pt.y());
|
|
|
517 |
}
|
|
|
518 |
|
|
|
519 |
} else {
|
|
|
520 |
QPointF p = ((QPointF *)points)[0] * state()->matrix;
|
|
|
521 |
d->activeStroker->moveTo(p.x(), p.y());
|
|
|
522 |
points += 2;
|
|
|
523 |
++types;
|
|
|
524 |
while (points < lastPoint) {
|
|
|
525 |
QPointF p = ((QPointF *)points)[0] * state()->matrix;
|
|
|
526 |
d->activeStroker->lineTo(p.x(), p.y());
|
|
|
527 |
points += 2;
|
|
|
528 |
++types;
|
|
|
529 |
}
|
|
|
530 |
if (path.hasImplicitClose())
|
|
|
531 |
d->activeStroker->lineTo(p.x(), p.y());
|
|
|
532 |
}
|
|
|
533 |
d->activeStroker->end();
|
|
|
534 |
}
|
|
|
535 |
|
|
|
536 |
QVectorPath strokePath(d->strokeHandler->pts.data(),
|
|
|
537 |
d->strokeHandler->types.size(),
|
|
|
538 |
d->strokeHandler->types.data(),
|
|
|
539 |
flags);
|
|
|
540 |
|
|
|
541 |
QTransform xform = state()->matrix;
|
|
|
542 |
state()->matrix = QTransform();
|
|
|
543 |
transformChanged();
|
|
|
544 |
|
|
|
545 |
QBrush brush = pen.brush();
|
|
|
546 |
if (qbrush_style(brush) != Qt::SolidPattern)
|
|
|
547 |
brush.setTransform(brush.transform() * xform);
|
|
|
548 |
|
|
|
549 |
fill(strokePath, brush);
|
|
|
550 |
|
|
|
551 |
state()->matrix = xform;
|
|
|
552 |
transformChanged();
|
|
|
553 |
}
|
|
|
554 |
}
|
|
|
555 |
|
|
|
556 |
void QPaintEngineEx::draw(const QVectorPath &path)
|
|
|
557 |
{
|
|
|
558 |
const QBrush &brush = state()->brush;
|
|
|
559 |
if (qbrush_style(brush) != Qt::NoBrush)
|
|
|
560 |
fill(path, brush);
|
|
|
561 |
|
|
|
562 |
const QPen &pen = state()->pen;
|
|
|
563 |
if (qpen_style(pen) != Qt::NoPen && qbrush_style(qpen_brush(pen)) != Qt::NoBrush)
|
|
|
564 |
stroke(path, pen);
|
|
|
565 |
}
|
|
|
566 |
|
|
|
567 |
|
|
|
568 |
void QPaintEngineEx::clip(const QRect &r, Qt::ClipOperation op)
|
|
|
569 |
{
|
|
|
570 |
qreal right = r.x() + r.width();
|
|
|
571 |
qreal bottom = r.y() + r.height();
|
|
|
572 |
qreal pts[] = { r.x(), r.y(),
|
|
|
573 |
right, r.y(),
|
|
|
574 |
right, bottom,
|
|
|
575 |
r.x(), bottom,
|
|
|
576 |
r.x(), r.y() };
|
|
|
577 |
QVectorPath vp(pts, 5, 0, QVectorPath::RectangleHint);
|
|
|
578 |
clip(vp, op);
|
|
|
579 |
}
|
|
|
580 |
|
|
|
581 |
void QPaintEngineEx::clip(const QRegion ®ion, Qt::ClipOperation op)
|
|
|
582 |
{
|
|
|
583 |
if (region.numRects() == 1)
|
|
|
584 |
clip(region.boundingRect(), op);
|
|
|
585 |
|
|
|
586 |
QVector<QRect> rects = region.rects();
|
|
|
587 |
if (rects.size() <= 32) {
|
|
|
588 |
qreal pts[2*32*4];
|
|
|
589 |
int pos = 0;
|
|
|
590 |
for (QVector<QRect>::const_iterator i = rects.constBegin(); i != rects.constEnd(); ++i) {
|
|
|
591 |
qreal x1 = i->x();
|
|
|
592 |
qreal y1 = i->y();
|
|
|
593 |
qreal x2 = i->x() + i->width();
|
|
|
594 |
qreal y2 = i->y() + i->height();
|
|
|
595 |
|
|
|
596 |
pts[pos++] = x1;
|
|
|
597 |
pts[pos++] = y1;
|
|
|
598 |
|
|
|
599 |
pts[pos++] = x2;
|
|
|
600 |
pts[pos++] = y1;
|
|
|
601 |
|
|
|
602 |
pts[pos++] = x2;
|
|
|
603 |
pts[pos++] = y2;
|
|
|
604 |
|
|
|
605 |
pts[pos++] = x1;
|
|
|
606 |
pts[pos++] = y2;
|
|
|
607 |
}
|
|
|
608 |
QVectorPath vp(pts, rects.size() * 4, qpaintengineex_rect4_types_32);
|
|
|
609 |
clip(vp, op);
|
|
|
610 |
} else {
|
|
|
611 |
QVarLengthArray<qreal> pts(rects.size() * 2 * 4);
|
|
|
612 |
QVarLengthArray<QPainterPath::ElementType> types(rects.size() * 4);
|
|
|
613 |
int ppos = 0;
|
|
|
614 |
int tpos = 0;
|
|
|
615 |
|
|
|
616 |
for (QVector<QRect>::const_iterator i = rects.constBegin(); i != rects.constEnd(); ++i) {
|
|
|
617 |
qreal x1 = i->x();
|
|
|
618 |
qreal y1 = i->y();
|
|
|
619 |
qreal x2 = i->x() + i->width();
|
|
|
620 |
qreal y2 = i->y() + i->height();
|
|
|
621 |
|
|
|
622 |
pts[ppos++] = x1;
|
|
|
623 |
pts[ppos++] = y1;
|
|
|
624 |
|
|
|
625 |
pts[ppos++] = x2;
|
|
|
626 |
pts[ppos++] = y1;
|
|
|
627 |
|
|
|
628 |
pts[ppos++] = x2;
|
|
|
629 |
pts[ppos++] = y2;
|
|
|
630 |
|
|
|
631 |
pts[ppos++] = x1;
|
|
|
632 |
pts[ppos++] = y2;
|
|
|
633 |
|
|
|
634 |
types[tpos++] = QPainterPath::MoveToElement;
|
|
|
635 |
types[tpos++] = QPainterPath::LineToElement;
|
|
|
636 |
types[tpos++] = QPainterPath::LineToElement;
|
|
|
637 |
types[tpos++] = QPainterPath::LineToElement;
|
|
|
638 |
}
|
|
|
639 |
|
|
|
640 |
QVectorPath vp(pts.data(), rects.size() * 4, types.data());
|
|
|
641 |
clip(vp, op);
|
|
|
642 |
}
|
|
|
643 |
|
|
|
644 |
}
|
|
|
645 |
|
|
|
646 |
void QPaintEngineEx::clip(const QPainterPath &path, Qt::ClipOperation op)
|
|
|
647 |
{
|
|
|
648 |
if (path.isEmpty()) {
|
|
|
649 |
QVectorPath vp(0, 0);
|
|
|
650 |
clip(vp, op);
|
|
|
651 |
} else {
|
|
|
652 |
clip(qtVectorPathForPath(path), op);
|
|
|
653 |
}
|
|
|
654 |
}
|
|
|
655 |
|
|
|
656 |
void QPaintEngineEx::fillRect(const QRectF &r, const QBrush &brush)
|
|
|
657 |
{
|
|
|
658 |
qreal pts[] = { r.x(), r.y(), r.x() + r.width(), r.y(),
|
|
|
659 |
r.x() + r.width(), r.y() + r.height(), r.x(), r.y() + r.height() };
|
|
|
660 |
QVectorPath vp(pts, 4, 0, QVectorPath::RectangleHint);
|
|
|
661 |
fill(vp, brush);
|
|
|
662 |
}
|
|
|
663 |
|
|
|
664 |
void QPaintEngineEx::fillRect(const QRectF &r, const QColor &color)
|
|
|
665 |
{
|
|
|
666 |
fillRect(r, QBrush(color));
|
|
|
667 |
}
|
|
|
668 |
|
|
|
669 |
void QPaintEngineEx::drawRects(const QRect *rects, int rectCount)
|
|
|
670 |
{
|
|
|
671 |
for (int i=0; i<rectCount; ++i) {
|
|
|
672 |
const QRect &r = rects[i];
|
|
|
673 |
// ### Is there a one off here?
|
|
|
674 |
qreal right = r.x() + r.width();
|
|
|
675 |
qreal bottom = r.y() + r.height();
|
|
|
676 |
qreal pts[] = { r.x(), r.y(),
|
|
|
677 |
right, r.y(),
|
|
|
678 |
right, bottom,
|
|
|
679 |
r.x(), bottom,
|
|
|
680 |
r.x(), r.y() };
|
|
|
681 |
QVectorPath vp(pts, 5, 0, QVectorPath::RectangleHint);
|
|
|
682 |
draw(vp);
|
|
|
683 |
}
|
|
|
684 |
}
|
|
|
685 |
|
|
|
686 |
void QPaintEngineEx::drawRects(const QRectF *rects, int rectCount)
|
|
|
687 |
{
|
|
|
688 |
for (int i=0; i<rectCount; ++i) {
|
|
|
689 |
const QRectF &r = rects[i];
|
|
|
690 |
qreal right = r.x() + r.width();
|
|
|
691 |
qreal bottom = r.y() + r.height();
|
|
|
692 |
qreal pts[] = { r.x(), r.y(),
|
|
|
693 |
right, r.y(),
|
|
|
694 |
right, bottom,
|
|
|
695 |
r.x(), bottom,
|
|
|
696 |
r.x(), r.y() };
|
|
|
697 |
QVectorPath vp(pts, 5, 0, QVectorPath::RectangleHint);
|
|
|
698 |
draw(vp);
|
|
|
699 |
}
|
|
|
700 |
}
|
|
|
701 |
|
|
|
702 |
|
|
|
703 |
void QPaintEngineEx::drawRoundedRect(const QRectF &rect, qreal xRadius, qreal yRadius,
|
|
|
704 |
Qt::SizeMode mode)
|
|
|
705 |
{
|
|
|
706 |
qreal x1 = rect.left();
|
|
|
707 |
qreal x2 = rect.right();
|
|
|
708 |
qreal y1 = rect.top();
|
|
|
709 |
qreal y2 = rect.bottom();
|
|
|
710 |
|
|
|
711 |
if (mode == Qt::RelativeSize) {
|
|
|
712 |
xRadius = xRadius * rect.width() / 200.;
|
|
|
713 |
yRadius = yRadius * rect.height() / 200.;
|
|
|
714 |
}
|
|
|
715 |
|
|
|
716 |
xRadius = qMin(xRadius, rect.width() / 2);
|
|
|
717 |
yRadius = qMin(yRadius, rect.height() / 2);
|
|
|
718 |
|
|
|
719 |
qreal pts[] = {
|
|
|
720 |
x1 + xRadius, y1, // MoveTo
|
|
|
721 |
x2 - xRadius, y1, // LineTo
|
|
|
722 |
x2 - (1 - KAPPA) * xRadius, y1, // CurveTo
|
|
|
723 |
x2, y1 + (1 - KAPPA) * yRadius,
|
|
|
724 |
x2, y1 + yRadius,
|
|
|
725 |
x2, y2 - yRadius, // LineTo
|
|
|
726 |
x2, y2 - (1 - KAPPA) * yRadius, // CurveTo
|
|
|
727 |
x2 - (1 - KAPPA) * xRadius, y2,
|
|
|
728 |
x2 - xRadius, y2,
|
|
|
729 |
x1 + xRadius, y2, // LineTo
|
|
|
730 |
x1 + (1 - KAPPA) * xRadius, y2, // CurveTo
|
|
|
731 |
x1, y2 - (1 - KAPPA) * yRadius,
|
|
|
732 |
x1, y2 - yRadius,
|
|
|
733 |
x1, y1 + yRadius, // LineTo
|
|
|
734 |
x1, y1 + KAPPA * yRadius, // CurveTo
|
|
|
735 |
x1 + (1 - KAPPA) * xRadius, y1,
|
|
|
736 |
x1 + xRadius, y1
|
|
|
737 |
};
|
|
|
738 |
|
|
|
739 |
QVectorPath path(pts, 17, qpaintengineex_roundedrect_types);
|
|
|
740 |
draw(path);
|
|
|
741 |
}
|
|
|
742 |
|
|
|
743 |
|
|
|
744 |
|
|
|
745 |
void QPaintEngineEx::drawLines(const QLine *lines, int lineCount)
|
|
|
746 |
{
|
|
|
747 |
int elementCount = lineCount << 1;
|
|
|
748 |
while (elementCount > 0) {
|
|
|
749 |
int count = qMin(elementCount, 32);
|
|
|
750 |
|
|
|
751 |
qreal pts[64];
|
|
|
752 |
int count2 = count<<1;
|
|
|
753 |
#ifdef Q_WS_MAC
|
|
|
754 |
for (int i=0; i<count2; i+=2) {
|
|
|
755 |
pts[i] = ((int *) lines)[i+1];
|
|
|
756 |
pts[i+1] = ((int *) lines)[i];
|
|
|
757 |
}
|
|
|
758 |
#else
|
|
|
759 |
for (int i=0; i<count2; ++i)
|
|
|
760 |
pts[i] = ((int *) lines)[i];
|
|
|
761 |
#endif
|
|
|
762 |
|
|
|
763 |
QVectorPath path(pts, count, qpaintengineex_line_types_16, QVectorPath::LinesHint);
|
|
|
764 |
stroke(path, state()->pen);
|
|
|
765 |
|
|
|
766 |
elementCount -= 32;
|
|
|
767 |
lines += 16;
|
|
|
768 |
}
|
|
|
769 |
}
|
|
|
770 |
|
|
|
771 |
void QPaintEngineEx::drawLines(const QLineF *lines, int lineCount)
|
|
|
772 |
{
|
|
|
773 |
int elementCount = lineCount << 1;
|
|
|
774 |
while (elementCount > 0) {
|
|
|
775 |
int count = qMin(elementCount, 32);
|
|
|
776 |
|
|
|
777 |
QVectorPath path((qreal *) lines, count, qpaintengineex_line_types_16,
|
|
|
778 |
QVectorPath::LinesHint);
|
|
|
779 |
stroke(path, state()->pen);
|
|
|
780 |
|
|
|
781 |
elementCount -= 32;
|
|
|
782 |
lines += 16;
|
|
|
783 |
}
|
|
|
784 |
}
|
|
|
785 |
|
|
|
786 |
void QPaintEngineEx::drawEllipse(const QRectF &r)
|
|
|
787 |
{
|
|
|
788 |
qreal pts[26]; // QPointF[13] without constructors...
|
|
|
789 |
union {
|
|
|
790 |
qreal *ptr;
|
|
|
791 |
QPointF *points;
|
|
|
792 |
} x;
|
|
|
793 |
x.ptr = pts;
|
|
|
794 |
|
|
|
795 |
int point_count = 0;
|
|
|
796 |
x.points[0] = qt_curves_for_arc(r, 0, -360, x.points + 1, &point_count);
|
|
|
797 |
QVectorPath vp((qreal *) pts, 13, qpaintengineex_ellipse_types, QVectorPath::EllipseHint);
|
|
|
798 |
draw(vp);
|
|
|
799 |
}
|
|
|
800 |
|
|
|
801 |
void QPaintEngineEx::drawEllipse(const QRect &r)
|
|
|
802 |
{
|
|
|
803 |
drawEllipse(QRectF(r));
|
|
|
804 |
}
|
|
|
805 |
|
|
|
806 |
void QPaintEngineEx::drawPath(const QPainterPath &path)
|
|
|
807 |
{
|
|
|
808 |
if (!path.isEmpty())
|
|
|
809 |
draw(qtVectorPathForPath(path));
|
|
|
810 |
}
|
|
|
811 |
|
|
|
812 |
|
|
|
813 |
void QPaintEngineEx::drawPoints(const QPointF *points, int pointCount)
|
|
|
814 |
{
|
|
|
815 |
QPen pen = state()->pen;
|
|
|
816 |
if (pen.capStyle() == Qt::FlatCap)
|
|
|
817 |
pen.setCapStyle(Qt::SquareCap);
|
|
|
818 |
|
|
|
819 |
if (pen.brush().isOpaque()) {
|
|
|
820 |
while (pointCount > 0) {
|
|
|
821 |
int count = qMin(pointCount, 16);
|
|
|
822 |
qreal pts[64];
|
|
|
823 |
int oset = -1;
|
|
|
824 |
for (int i=0; i<count; ++i) {
|
|
|
825 |
pts[++oset] = points[i].x();
|
|
|
826 |
pts[++oset] = points[i].y();
|
|
|
827 |
pts[++oset] = points[i].x() + 0.001;
|
|
|
828 |
pts[++oset] = points[i].y();
|
|
|
829 |
}
|
|
|
830 |
QVectorPath path(pts, count * 2, qpaintengineex_line_types_16, QVectorPath::NonCurvedShapeHint);
|
|
|
831 |
stroke(path, pen);
|
|
|
832 |
pointCount -= 16;
|
|
|
833 |
points += 16;
|
|
|
834 |
}
|
|
|
835 |
} else {
|
|
|
836 |
for (int i=0; i<pointCount; ++i) {
|
|
|
837 |
qreal pts[] = { points[i].x(), points[i].y(), points[i].x() + 0.001, points[i].y() };
|
|
|
838 |
QVectorPath path(pts, 2, 0);
|
|
|
839 |
stroke(path, pen);
|
|
|
840 |
}
|
|
|
841 |
}
|
|
|
842 |
}
|
|
|
843 |
|
|
|
844 |
void QPaintEngineEx::drawPoints(const QPoint *points, int pointCount)
|
|
|
845 |
{
|
|
|
846 |
QPen pen = state()->pen;
|
|
|
847 |
if (pen.capStyle() == Qt::FlatCap)
|
|
|
848 |
pen.setCapStyle(Qt::SquareCap);
|
|
|
849 |
|
|
|
850 |
if (pen.brush().isOpaque()) {
|
|
|
851 |
while (pointCount > 0) {
|
|
|
852 |
int count = qMin(pointCount, 16);
|
|
|
853 |
qreal pts[64];
|
|
|
854 |
int oset = -1;
|
|
|
855 |
for (int i=0; i<count; ++i) {
|
|
|
856 |
pts[++oset] = points[i].x();
|
|
|
857 |
pts[++oset] = points[i].y();
|
|
|
858 |
pts[++oset] = points[i].x() + 0.001;
|
|
|
859 |
pts[++oset] = points[i].y();
|
|
|
860 |
}
|
|
|
861 |
QVectorPath path(pts, count * 2, qpaintengineex_line_types_16, QVectorPath::NonCurvedShapeHint);
|
|
|
862 |
stroke(path, pen);
|
|
|
863 |
pointCount -= 16;
|
|
|
864 |
points += 16;
|
|
|
865 |
}
|
|
|
866 |
} else {
|
|
|
867 |
for (int i=0; i<pointCount; ++i) {
|
|
|
868 |
qreal pts[] = { points[i].x(), points[i].y(), points[i].x() + 0.001, points[i].y() };
|
|
|
869 |
QVectorPath path(pts, 2, 0);
|
|
|
870 |
stroke(path, pen);
|
|
|
871 |
}
|
|
|
872 |
}
|
|
|
873 |
}
|
|
|
874 |
|
|
|
875 |
|
|
|
876 |
void QPaintEngineEx::drawPolygon(const QPointF *points, int pointCount, PolygonDrawMode mode)
|
|
|
877 |
{
|
|
|
878 |
QVectorPath path((qreal *) points, pointCount, 0, QVectorPath::polygonFlags(mode));
|
|
|
879 |
|
|
|
880 |
if (mode == PolylineMode)
|
|
|
881 |
stroke(path, state()->pen);
|
|
|
882 |
else
|
|
|
883 |
draw(path);
|
|
|
884 |
}
|
|
|
885 |
|
|
|
886 |
void QPaintEngineEx::drawPolygon(const QPoint *points, int pointCount, PolygonDrawMode mode)
|
|
|
887 |
{
|
|
|
888 |
int count = pointCount<<1;
|
|
|
889 |
QVarLengthArray<qreal> pts(count);
|
|
|
890 |
|
|
|
891 |
#ifdef Q_WS_MAC
|
|
|
892 |
for (int i=0; i<count; i+=2) {
|
|
|
893 |
pts[i] = ((int *) points)[i+1];
|
|
|
894 |
pts[i+1] = ((int *) points)[i];
|
|
|
895 |
}
|
|
|
896 |
#else
|
|
|
897 |
for (int i=0; i<count; ++i)
|
|
|
898 |
pts[i] = ((int *) points)[i];
|
|
|
899 |
#endif
|
|
|
900 |
|
|
|
901 |
QVectorPath path(pts.data(), pointCount, 0, QVectorPath::polygonFlags(mode));
|
|
|
902 |
|
|
|
903 |
if (mode == PolylineMode)
|
|
|
904 |
stroke(path, state()->pen);
|
|
|
905 |
else
|
|
|
906 |
draw(path);
|
|
|
907 |
|
|
|
908 |
}
|
|
|
909 |
|
|
|
910 |
void QPaintEngineEx::drawPixmap(const QPointF &pos, const QPixmap &pm)
|
|
|
911 |
{
|
|
|
912 |
drawPixmap(QRectF(pos, pm.size()), pm, pm.rect());
|
|
|
913 |
}
|
|
|
914 |
|
|
|
915 |
void QPaintEngineEx::drawImage(const QPointF &pos, const QImage &image)
|
|
|
916 |
{
|
|
|
917 |
drawImage(QRectF(pos, image.size()), image, image.rect());
|
|
|
918 |
}
|
|
|
919 |
|
|
|
920 |
void QPaintEngineEx::drawTiledPixmap(const QRectF &r, const QPixmap &pixmap, const QPointF &s)
|
|
|
921 |
{
|
|
|
922 |
QBrush brush(state()->pen.color(), pixmap);
|
|
|
923 |
QTransform xform = QTransform::fromTranslate(r.x() - s.x(), r.y() - s.y());
|
|
|
924 |
brush.setTransform(xform);
|
|
|
925 |
|
|
|
926 |
qreal pts[] = { r.x(), r.y(),
|
|
|
927 |
r.x() + r.width(), r.y(),
|
|
|
928 |
r.x() + r.width(), r.y() + r.height(),
|
|
|
929 |
r.x(), r.y() + r.height() };
|
|
|
930 |
|
|
|
931 |
QVectorPath path(pts, 4, 0, QVectorPath::RectangleHint);
|
|
|
932 |
fill(path, brush);
|
|
|
933 |
}
|
|
|
934 |
|
|
|
935 |
void QPaintEngineEx::drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints /*hints*/)
|
|
|
936 |
{
|
|
|
937 |
qreal oldOpacity = state()->opacity;
|
|
|
938 |
QTransform oldTransform = state()->matrix;
|
|
|
939 |
|
|
|
940 |
for (int i = 0; i < dataCount; ++i) {
|
|
|
941 |
QTransform transform = oldTransform;
|
|
|
942 |
transform.translate(drawingData[i].point.x(), drawingData[i].point.y());
|
|
|
943 |
transform.rotate(drawingData[i].rotation);
|
|
|
944 |
state()->opacity = oldOpacity * drawingData[i].opacity;
|
|
|
945 |
state()->matrix = transform;
|
|
|
946 |
opacityChanged();
|
|
|
947 |
transformChanged();
|
|
|
948 |
|
|
|
949 |
qreal w = drawingData[i].scaleX * drawingData[i].source.width();
|
|
|
950 |
qreal h = drawingData[i].scaleY * drawingData[i].source.height();
|
|
|
951 |
drawPixmap(QRectF(-0.5 * w, -0.5 * h, w, h), pixmap, drawingData[i].source);
|
|
|
952 |
}
|
|
|
953 |
|
|
|
954 |
state()->opacity = oldOpacity;
|
|
|
955 |
state()->matrix = oldTransform;
|
|
|
956 |
opacityChanged();
|
|
|
957 |
transformChanged();
|
|
|
958 |
}
|
|
|
959 |
|
|
|
960 |
void QPaintEngineEx::setState(QPainterState *s)
|
|
|
961 |
{
|
|
|
962 |
QPaintEngine::state = s;
|
|
|
963 |
}
|
|
|
964 |
|
|
|
965 |
|
|
|
966 |
void QPaintEngineEx::updateState(const QPaintEngineState &)
|
|
|
967 |
{
|
|
|
968 |
// do nothing...
|
|
|
969 |
}
|
|
|
970 |
|
|
|
971 |
QT_END_NAMESPACE
|