KoShape.cpp 9.24 KB
Newer Older
Thomas Zander's avatar
Thomas Zander committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
/* This file is part of the KDE project
   Copyright (C) 2006 Thorsten Zachmann <zachmann@kde.org>
   Copyright (C) 2006 Casper Boemann Rasmussen <cbr@boemann.dk>
   Copyright (C) 2006 Thomas Zander <zander@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include "KoShape.h"
#include "KoShapeContainer.h"
#include "KoRepaintManager.h"
#include "KoSelection.h"
26
#include "KoPointerEvent.h"
Thomas Zander's avatar
Thomas Zander committed
27 28
#include "KoInsets.h"
#include "KoShapeBorderModel.h"
29
#include "KoShapeUserData.h"
Thomas Zander's avatar
Thomas Zander committed
30 31 32

#include <QPainter>
#include <QtDebug>
33
#include <QVariant>
Thomas Zander's avatar
Thomas Zander committed
34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51
#include <QPainterPath>

KoShape::KoShape()
: m_backgroundBrush(Qt::NoBrush)
, m_border(0)
, m_scaleX( 1 )
, m_scaleY( 1 )
, m_angle( 0 )
, m_shearX( 0 )
, m_shearY( 0 )
, m_size( 50, 50 )
, m_pos( 0, 0 )
, m_zIndex( 0 )
, m_parent( 0 )
, m_visible( true )
, m_locked( false )
, m_keepAspect( false )
, m_repaintManager(0)
52
, m_userData(0)
Thomas Zander's avatar
Thomas Zander committed
53 54 55 56 57 58
{
    recalcMatrix();
}

KoShape::~KoShape()
{
59
    delete m_userData;
Thomas Zander's avatar
Thomas Zander committed
60 61 62 63 64 65 66 67 68 69 70 71
}

void KoShape::paintDecorations(QPainter &painter, KoViewConverter &converter, bool selected) {
    if ( selected )
    {
        // draw connectors
        QPen pen( Qt::blue );
        pen.setWidth( 0 );
        painter.setPen( pen );
        painter.setBrush( Qt::NoBrush );
        for ( int i = 0; i < m_connectors.size(); ++i )
        {
72
            QPointF p = converter.documentToView(m_connectors[ i ]);
Thomas Zander's avatar
Thomas Zander committed
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137
            painter.drawLine( QPointF( p.x() - 2, p.y() + 2 ), QPointF( p.x() + 2, p.y() - 2 ) );
            painter.drawLine( QPointF( p.x() + 2, p.y() + 2 ), QPointF( p.x() - 2, p.y() - 2 ) );
        }
    }
}

void KoShape::scale( double sx, double sy )
{
    if(m_scaleX == sx && m_scaleY == sy)
        return;
    m_scaleX = sx;
    m_scaleY = sy;
    recalcMatrix();
}

void KoShape::rotate( double angle )
{
    if(m_angle == angle)
        return;
    m_angle = angle;
    while(m_angle >= 360) m_angle -= 360;
    while(m_angle <= -360) m_angle += 360;
    recalcMatrix();
}

void KoShape::shear( double sx, double sy )
{
    if(m_shearX == sx && m_shearY == sy)
        return;
    m_shearX = sx;
    m_shearY = sy;
    recalcMatrix();
}

void KoShape::resize( const QSizeF &size )
{
    if(m_size == size)
        return;
    m_size = size;
}

void KoShape::setPosition( const QPointF &position )
{
    if(m_pos == position)
        return;
    m_pos = position;
    recalcMatrix();
}

bool KoShape::hitTest( const QPointF &position ) const
{
    if(m_parent && m_parent->childClipped(this) && !m_parent->hitTest(position))
        return false;

    QPointF point( position * m_invMatrix );
    KoInsets *insets = new KoInsets(0, 0, 0, 0);
    if(m_border)
        m_border->borderInsets(this, *insets);

    bool hit = point.x() >= -insets->left && point.x() <= m_size.width() + insets->right &&
             point.y() >= -insets->top && point.y() <= m_size.height() + insets->bottom;
    delete insets;
    return hit;
}

138
QRectF KoShape::boundingRect() const
Thomas Zander's avatar
Thomas Zander committed
139 140 141 142 143 144 145 146 147 148 149 150 151 152 153
{
    QRectF bb( QPointF(0, 0), m_size );
    return m_matrix.mapRect( bb );
}

void KoShape::recalcMatrix()
{
    m_matrix = transformationMatrix(0);
    m_invMatrix = m_matrix.inverted();
}

QMatrix KoShape::transformationMatrix(KoViewConverter *converter) const {
    QMatrix matrix;
    QRectF zoomedRect = QRectF(position(), size());
    if(converter)
154
        zoomedRect = converter->documentToView(zoomedRect);
Thomas Zander's avatar
Thomas Zander committed
155 156 157 158 159 160 161 162 163 164 165
    matrix.translate( zoomedRect.x(), zoomedRect.y() );

    // apply parents matrix to inherit any transformations done there.
    KoShapeContainer *container = m_parent;
    KoShape const *child = this;
    while(container) {
        if(container->childClipped(child))
            matrix *= container->transformationMatrix(0);
        else {
            QPointF containerPos =container->position();
            if(converter)
166
                containerPos = converter->documentToView(containerPos);
Thomas Zander's avatar
Thomas Zander committed
167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280
            matrix.translate(containerPos.x(), containerPos.y());
        }
        container = dynamic_cast<KoShapeContainer*>(container->parent());
        child = child->parent();
    }

    if ( m_angle != 0 )
    {
        matrix.translate( zoomedRect.width() / 2.0 * m_scaleX, zoomedRect.height() / 2.0 * m_scaleY );
        matrix.rotate( m_angle );
    }
    matrix.shear( m_shearX, m_shearY );
    matrix.scale( m_scaleX, m_scaleY );
    if ( m_angle != 0 )
    {
        matrix.translate( -zoomedRect.width() / 2.0, -zoomedRect.height() / 2.0 );
    }
    return matrix;
}


bool KoShape::compareShapeZIndex(KoShape *g1, KoShape *g2) {
    return g1->zIndex() < g2->zIndex();
}

void KoShape::setParent(KoShapeContainer *parent) {
    if(dynamic_cast<KoShape*>(parent) != this)
        m_parent = parent;
    else
        m_parent = 0;
    recalcMatrix();
}

int KoShape::zIndex() const {
    if(parent()) // we can't be under our parent...
        return qMax(m_zIndex, parent()->zIndex());
    return m_zIndex;
}

void KoShape::setRepaintManager(KoRepaintManager *manager) {
    Q_ASSERT(manager);
    if(m_repaintManager) {
        // swap repaint Manager (Since that will release old ones easier)
        m_repaintManager->removeUser();
        manager->addChainedManager(m_repaintManager);
    }
    m_repaintManager = manager;
    manager->addUser();
}

void KoShape::repaint() const {
    if(m_repaintManager == 0)
        return;
    QRectF rect(QPointF(0, 0), m_size);
    if(m_border) {
        KoInsets *insets = new KoInsets(0, 0, 0, 0);
        m_border->borderInsets(this, *insets);
        rect.adjust(-insets->left, -insets->top, insets->right, insets->bottom);
        delete insets;
    }
    rect = m_matrix.mapRect(rect);
    m_repaintManager->repaint(rect, this, true);
}

void KoShape::repaint(QRectF &shape) const {
    if(m_repaintManager == 0 || !isVisible())
        return;
    QRectF rect(m_matrix.mapRect(shape));
    m_repaintManager->repaint(rect);
}

void KoShape::repaint(double x, double y, double width, double height) const {
    QRectF rect(x, y, width, height);
    repaint(rect);
}

const QPainterPath KoShape::outline() const {
    QPainterPath path;
    path.addRect(QRectF( QPointF(0, 0), m_size ));
    return path;
}

QPointF KoShape::absolutePosition() const {
    return m_matrix.map(QPointF(size().width() / 2.0 , size().height() / 2.0));
}

void KoShape::setAbsolutePosition(QPointF newPosition) {
    QPointF zero(0, 0);
    QMatrix matrix;
    // apply parents matrix to inherit any transformations done there.
    KoShapeContainer *container = m_parent;
    KoShape const *child = this;
    while(container) {
        if(container->childClipped(child)) {
            matrix *= container->transformationMatrix(0);
            break;
        }
        else {
            QPointF containerPos =container->position();
            matrix.translate(containerPos.x(), containerPos.y());
        }
        container = dynamic_cast<KoShapeContainer*>(container->parent());
        child = child->parent();
    }
    QPointF vector1 = matrix.inverted().map(zero);

    matrix = QMatrix();
    matrix.translate( size().width() / 2.0 * m_scaleX, size().height() / 2.0 * m_scaleY );
    matrix.rotate( m_angle );
    matrix.shear( m_shearX, m_shearY );
    matrix.scale( m_scaleX, m_scaleY );
    matrix.translate( -size().width() / 2.0, -size().height() / 2.0 );

    QPointF vector2 = matrix.map( QPointF(size().width() / 2.0, size().height() / 2.0) );
281
    //kDebug() << "vector1: " << vector1 << ", vector2: " << vector2 << endl;
Thomas Zander's avatar
Thomas Zander committed
282 283 284 285

    setPosition(newPosition + vector1 - vector2);
}

Thomas Zander's avatar
Thomas Zander committed
286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302
void KoShape::copySettings(const KoShape *shape) {
    m_pos = shape->position();
    m_scaleX = shape->scaleX();
    m_scaleY = shape->scaleY();
    m_angle = shape->rotation();
    m_shearX = shape->shearX();
    m_shearY = shape->shearY();
    m_size = shape->size();
    m_connectors.clear();
    foreach(QPointF point, shape->connectors())
        addConnectionPoint(point);
    m_zIndex = shape->zIndex();
    m_visible = shape->isVisible();
    m_locked = shape->isLocked();
    m_keepAspect = shape->keepAspectRatio();
}

Thomas Zander's avatar
Thomas Zander committed
303 304 305
void KoShape::moveBy(double distanceX, double distanceY) {
    QPointF p = absolutePosition();
    setAbsolutePosition(QPointF(p.x() + distanceX, p.y() + distanceY));
Thomas Zander's avatar
Thomas Zander committed
306 307
}

308 309 310 311 312 313 314 315 316 317
void KoShape::setUserData(KoShapeUserData *userData) {
    if(m_userData)
        delete m_userData;
    m_userData = userData;
}

KoShapeUserData *KoShape::userData() const {
    return m_userData;
}

Thomas Zander's avatar
Thomas Zander committed
318 319 320 321 322 323
bool KoShape::hasTransparancy() {
    if(m_backgroundBrush.style() == Qt::NoBrush)
        return true;
    return !m_backgroundBrush.isOpaque();
}

Thomas Zander's avatar
Thomas Zander committed
324 325 326 327 328 329
// static
void KoShape::applyConversion(QPainter &painter, const KoViewConverter &converter) {
    double zoomX, zoomY;
    converter.zoom(&zoomX, &zoomY);
    painter.scale(zoomX, zoomY);
}