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koffice/kpresenter/KPrRectObject.cpp

220 lines
7.2 KiB

// -*- Mode: c++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 4; -*-
/* This file is part of the KDE project
Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
Copyright (C) 2005 Thorsten Zachmann <zachmann@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 "KPrRectObject.h"
#include "KPrGradient.h"
#include "KPrRectObjectIface.h"
#include <KoTextZoomHandler.h>
#include <KoUnit.h>
#include <KoOasisContext.h>
#include <KoXmlNS.h>
#include <kdebug.h>
#include <qregion.h>
#include <qbitmap.h>
#include <qdom.h>
#include <qpainter.h>
KPrRectObject::KPrRectObject()
: KPr2DObject()
{
xRnd = 0;
yRnd = 0;
}
DCOPObject* KPrRectObject::dcopObject()
{
if ( !dcop )
dcop = new KPrRectObjectIface( this );
return dcop;
}
KPrRectObject::KPrRectObject( const KoPen &_pen, const QBrush &_brush, FillType _fillType,
const QColor &_gColor1, const QColor &_gColor2,
BCType _gType, int _xRnd, int _yRnd,
bool _unbalanced, int _xfactor, int _yfactor)
: KPr2DObject( _pen, _brush, _fillType, _gColor1, _gColor2, _gType,
_unbalanced, _xfactor, _yfactor )
{
xRnd = _xRnd;
yRnd = _yRnd;
}
KPrRectObject &KPrRectObject::operator=( const KPrRectObject & )
{
return *this;
}
QDomDocumentFragment KPrRectObject::save( QDomDocument& doc, double offset )
{
QDomDocumentFragment fragment=KPr2DObject::save(doc, offset);
if (xRnd!=0 || yRnd!=0) {
QDomElement elem=doc.createElement("RNDS");
elem.setAttribute("x", xRnd);
elem.setAttribute("y", yRnd);
fragment.appendChild(elem);
}
return fragment;
}
bool KPrRectObject::saveOasisObjectAttributes( KPOasisSaveContext &sc ) const
{
if ( xRnd > 0 && yRnd > 0 )
{
double cornerRadiusX = ext.width() / 200.0 * xRnd;
double cornerRadiusY = ext.height() / 200.0 * yRnd;
double cornerRadius = QMIN( cornerRadiusX, cornerRadiusY );
sc.xmlWriter.addAttributePt( "draw:corner-radius", cornerRadius );
if ( cornerRadiusX != cornerRadiusY )
{
sc.xmlWriter.addAttributePt( "koffice:corner-radius-x", cornerRadiusX );
sc.xmlWriter.addAttributePt( "koffice:corner-radius-y", cornerRadiusY );
}
}
return true;
}
const char * KPrRectObject::getOasisElementName() const
{
return "draw:rect";
}
void KPrRectObject::loadOasis(const QDomElement &element, KoOasisContext&context, KPrLoadingInfo *info)
{
KPr2DObject::loadOasis(element, context, info);
if ( element.hasAttributeNS( KoXmlNS::koffice, "corner-radius-x" ) &&
element.hasAttributeNS( KoXmlNS::koffice, "corner-radius-y" ) )
{
xRnd = int( KoUnit::parseValue(
element.attributeNS( KoXmlNS::koffice, "corner-radius-x", QString::null )
) * 200.0 / ext.width() );
yRnd = int( KoUnit::parseValue(
element.attributeNS( KoXmlNS::koffice, "corner-radius-y", QString::null )
) * 200.0 / ext.height() );
}
else if ( element.hasAttributeNS( KoXmlNS::draw, "corner-radius" ) )
{
xRnd = int( KoUnit::parseValue(
element.attributeNS( KoXmlNS::draw, "corner-radius", QString::null )
) * 200.0 / ext.width() );
yRnd = xRnd;
}
kdDebug(33001) << " KPrRectObject : radius xRnd :" << xRnd << " yRnd :" << yRnd <<endl;
}
double KPrRectObject::load(const QDomElement &element)
{
double offset=KPr2DObject::load(element);
QDomElement e=element.namedItem("RNDS").toElement();
if(!e.isNull()) {
int tmp=0;
if(e.hasAttribute("x"))
tmp=e.attribute("x").toInt();
xRnd=tmp;
tmp=0;
if(e.hasAttribute("y"))
tmp=e.attribute("y").toInt();
yRnd=tmp;
}
return offset;
}
QPointArray KPrRectObject::boundingRegion( int x, int y, int w, int h, int _xRnd, int _yRnd) const
{
w--;
h--;
int rxx = (_xRnd==0)?1: (w*_xRnd/200);
int ryy = (_yRnd==0)?1: (h*_yRnd/200);
// were there overflows?
if ( rxx < 0 )
rxx = w/200*_xRnd;
if ( ryy < 0 )
ryy = h/200*_yRnd;
int rxx2 = 2*rxx;
int ryy2 = 2*ryy;
QPointArray a[4];
a[0].makeArc( x, y, rxx2, ryy2, 1440, 1440); // ..., 1*16*90, 16*90);
a[1].makeArc( x, y+h-ryy2, rxx2, ryy2, 2880, 1440); // ..., 2*16*90, 16*90);
a[2].makeArc( x+w-rxx2, y+h-ryy2, rxx2, ryy2, 4320, 1440); // ..., 3*16*90, 16*90);
a[3].makeArc( x+w-rxx2, y, rxx2, ryy2, 0, 1440); // ..., 0*16*90, 16*90);
QPointArray aa;
aa.resize( a[0].size() + a[1].size() + a[2].size() + a[3].size() );
uint j = 0;
for ( int k=0; k<4; k++ ) {
for ( uint i=0; i<a[k].size(); i++ ) {
aa.setPoint( j, a[k].point(i) );
j++;
}
}
return aa;
}
void KPrRectObject::paint( QPainter* _painter, KoTextZoomHandler*_zoomHandler,
int /* pageNum */, bool drawingShadow, bool drawContour )
{
int ow = _zoomHandler->zoomItX( ext.width() );
int oh = _zoomHandler->zoomItY( ext.height() );
if ( drawContour ) {
QPen pen3( Qt::black, 1, Qt::DotLine );
_painter->setPen( pen3 );
_painter->setRasterOp( Qt::NotXorROP );
_painter->drawRoundRect( 0, 0, ow, oh, xRnd, yRnd );
return;
}
QPen pen2 = pen.zoomedPen( _zoomHandler );
int pw = ( pen2.style() == Qt::NoPen ) ? 1 : pen2.width();
_painter->setPen( pen2 );
if ( drawingShadow || getFillType() == FT_BRUSH || !gradient ) { //plain fill
_painter->setPen( pen2 );
_painter->setBrush( getBrush() );
}
else { //gradient
QSize size( _zoomHandler->zoomSize( ext ) );
if ( m_redrawGradientPix || gradient->size() != size ) {
m_redrawGradientPix = false;
gradient->setSize( size );
QPointArray arr = boundingRegion( 0, 0, ow - pw + 1, oh - pw + 1, xRnd, yRnd );
QRegion clipregion(arr);
m_gradientPix.resize ( ow, oh );
m_gradientPix.fill( Qt::white );
QPainter p;
p.begin( &m_gradientPix );
p.setClipRegion( clipregion );
p.drawPixmap( 0, 0, gradient->pixmap() );
p.end();
m_gradientPix.setMask( m_gradientPix.createHeuristicMask() );
}
_painter->drawPixmap( pw / 2, pw / 2, m_gradientPix, 0, 0, ow - pw + 1, oh - pw + 1 );
_painter->setBrush( Qt::NoBrush );
}
_painter->drawRoundRect( pw / 2, pw / 2, ow - pw + 1, oh - pw + 1, xRnd, yRnd );
}