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koffice/kpresenter/KPrBackground.cpp

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/* This file is part of the KDE project
Copyright (C) 1998, 1999 Reginald Stadlbauer <reggie@kde.org>
Copyright (C) 2004-2006 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 "KPrBackground.h"
#include "KPrDocument.h"
#include <tdeapplication.h>
#include "KPrGradientCollection.h"
#include "KPrTextObject.h"
#include "KPrPage.h"
#include "KPrUtils.h"
#include "KPrBrush.h"
#include <tqpainter.h>
#include <tqpicture.h>
#include <tqfileinfo.h>
#include <KoRichText.h>
#include <KoTextObject.h>
// for getenv ()
#include <stdlib.h>
using namespace std;
#include <kdebug.h>
#include <tdeglobalsettings.h>
#include <KoStore.h>
#include <KoStoreDevice.h>
#include <KoGenStyles.h>
#include <KoXmlNS.h>
KPrBackGround::KPrBackGround( KPrPage *_page )
// : footerHeight( 0 )
{
backType = BT_COLOR;
backView = BV_CENTER;
backColor1 = TQt::white;
backColor2 = TQt::white;
bcType = BCT_PLAIN;
unbalanced = false;
xfactor = 100;
yfactor = 100;
gradientPixmap = 0L;
m_page=_page;
}
void KPrBackGround::setBackPicture( const KoPicture& picture )
{
if ( backType != BT_PICTURE )
return;
backPicture = pictureCollection()->insertPicture(picture);
}
void KPrBackGround::setBackPicture ( const KoPictureKey& key )
{
if ( backType != BT_PICTURE )
return;
backPicture = pictureCollection()->findOrLoad(key.filename(), key.lastModified() );
}
void KPrBackGround::drawBackground( TQPainter *_painter, const KoTextZoomHandler* zoomHandler,
const TQRect& _crect, bool _drawBorders )
{
TQRect pageRect = zoomHandler->zoomRect( m_page->getPageRect() );
TQRect crect = pageRect.intersect( _crect );
if ( crect.isEmpty() )
return;
TQSize ext = pageRect.size();
drawBackground( _painter, ext, crect, _drawBorders );
}
void KPrBackGround::drawBackground( TQPainter *_painter, const TQSize& ext, const TQRect& crect, bool _drawBorders )
{
if ( m_page->displayBackground() )
{
_painter->save();
switch ( backType )
{
case BT_COLOR:
drawBackColor( _painter, ext, crect );
break;
case BT_CLIPART:
case BT_PICTURE:
{
if ( backView == BV_CENTER )
drawBackColor( _painter, ext, crect );
drawBackPix( _painter, ext, crect );
break;
}
default:
break;
}
if ( _drawBorders )
drawBorders( _painter, ext, crect );
_painter->restore();
}
}
void KPrBackGround::reload()
{
if ( backType == BT_PICTURE || backType == BT_CLIPART )
backPicture = pictureCollection()->insertPicture(backPicture);
else
backPicture.clear();
}
TQDomElement KPrBackGround::save( TQDomDocument &doc )
{
TQString tag = m_page->masterPage() == 0 ? "MASTERPAGE" : "PAGE";
TQDomElement page=doc.createElement( tag );
TQDomElement element;
element=doc.createElement("BACKMASTER");
element.setAttribute( "useMasterBackground", static_cast<int>(m_page->useMasterBackground() ) );
element.setAttribute( "displayMasterPageObject", static_cast<int>( m_page->displayObjectFromMasterPage() ));
element.setAttribute( "displayBackground", static_cast<int>( m_page->displayBackground() ));
page.appendChild(element);
if ( !m_page->useMasterBackground() )
{
if (backType!=BT_COLOR) {
element=doc.createElement("BACKTYPE");
element.setAttribute("value", static_cast<int>( backType ));
page.appendChild(element);
}
if (backView!=BV_CENTER) {
element=doc.createElement("BACKVIEW");
element.setAttribute("value", static_cast<int>( backView ));
page.appendChild(element);
}
if (backColor1!=TQt::white) {
element=doc.createElement("BACKCOLOR1");
element.setAttribute("color", backColor1.name());
page.appendChild(element);
}
if (backColor2!=TQt::white) {
element=doc.createElement("BACKCOLOR2");
element.setAttribute("color", backColor2.name());
page.appendChild(element);
}
if (bcType!=BCT_PLAIN) {
element=doc.createElement("BCTYPE");
element.setAttribute("value", static_cast<int>( bcType ));
page.appendChild(element);
}
if (xfactor!=100 || yfactor!=100 || unbalanced) {
element=doc.createElement("BGRADIENT");
element.setAttribute("unbalanced", static_cast<int>( unbalanced ));
element.setAttribute("xfactor", xfactor);
element.setAttribute("yfactor", yfactor);
page.appendChild(element);
}
if ( !backPicture.isNull() && ( ( backType == BT_PICTURE ) || ( backType == BT_CLIPART ) ) )
{
element = doc.createElement( "BACKPICTUREKEY" );
backPicture.getKey().saveAttributes( element );
page.appendChild( element );
}
}
return page;
}
void KPrBackGround::saveOasisBackgroundPageStyle( KoGenStyle& stylepageauto, KoGenStyles& mainStyles )
{
switch ( backType )
{
case BT_COLOR:
{
TQBrush qbrush( backColor1 );
KPrBrush brush( qbrush, backColor1, backColor2, bcType,
bcType == BCT_PLAIN ? FT_BRUSH : FT_GRADIENT,
unbalanced, xfactor, yfactor );
brush.saveOasisFillStyle( stylepageauto, mainStyles );
} break;
case BT_BRUSH:
case BT_CLIPART:
case BT_PICTURE:
{
stylepageauto.addProperty("draw:fill", "bitmap" );
stylepageauto.addProperty("draw:fill-image-name", saveOasisPictureStyle( mainStyles ) );
TQString repeat = "repeat";
switch ( backView )
{
case BV_ZOOM:
repeat = "stretch";
break;
case BV_CENTER:
repeat = "no-repeat";
break;
case BV_TILED:
repeat = "repeat";
break;
}
stylepageauto.addProperty( "style:repeat", repeat );
} break;
}
}
TQString KPrBackGround::saveOasisPictureStyle( KoGenStyles& mainStyles )
{
//<draw:fill-image draw:name="Pattern" xlink:href="Pictures/100000000000005E0000005E43C87AF2.png" xlink:type="simple" xlink:show="embed" xlink:actuate="onLoad"/>
KoGenStyle pictureStyle( KPrDocument::STYLE_PICTURE /*no family name*/ );
pictureStyle.addAttribute( "xlink:show", "embed" );
pictureStyle.addAttribute( "xlink:actuate", "onLoad" );
pictureStyle.addAttribute( "xlink:type", "simple" );
pictureStyle.addAttribute( "xlink:href", pictureCollection()->getOasisFileName(backPicture ) );
return mainStyles.lookup( pictureStyle, "picture" );
}
void KPrBackGround::loadOasis(KoOasisContext & context )
{
KoStyleStack& styleStack = context.styleStack();
kdDebug()<<"KPrBackGround::loadOasis()\n";
styleStack.setTypeProperties( "drawing-page" );
if ( styleStack.hasAttributeNS( KoXmlNS::draw, "fill" ) )
{
const TQString fill = styleStack.attributeNS( KoXmlNS::draw, "fill" );
kdDebug(33001) <<"fill page type :" << fill << endl;
if ( fill == "solid" || fill == "gradient" )
{
KPrBrush brush;
brush.loadOasisFillStyle( context, "drawing-page" );
if ( brush.getFillType() == FT_BRUSH )
{
setBackColor1( brush.getBrush().color() );
setBackColorType( BCT_PLAIN );
}
else
{
setBackColor1( brush.getGColor1() );
setBackColor2( brush.getGColor2() );
setBackColorType( brush.getGType() );
setBackUnbalanced( brush.getGUnbalanced() );
setBackXFactor( brush.getGXFactor() );
setBackYFactor( brush.getGYFactor() );
}
setBackType( BT_COLOR );
}
else if ( fill == "bitmap" )
{
TQString style = styleStack.attributeNS( KoXmlNS::draw, "fill-image-name" );
TQDomElement* draw =context.oasisStyles().drawStyles()[style];
const TQString href( draw->attributeNS( KoXmlNS::xlink, "href", TQString()) );
kdDebug()<<" href: "<<href<<endl;
if ( !href.isEmpty() )
{
TQString strExtension;
const int result=href.findRev(".");
if (result>=0)
{
strExtension=href.mid(result+1); // As we are using KoPicture, the extension should be without the dot.
}
TQString filename(href);
const KoPictureKey key(filename, TQDateTime::currentDateTime(TQt::UTC));
backPicture.setKey(key);
KoStore* store = context.store();
if ( store->open( filename ) )
{
KoStoreDevice dev(store);
if ( !backPicture.load( &dev, strExtension ) )
kdWarning() << "Cannot load picture: " << filename << " " << href << endl;
store->close();
}
pictureCollection()->insertPicture( key, backPicture );
}
if ( styleStack.hasAttributeNS( KoXmlNS::style, "repeat" ) )
{
TQString repeat = styleStack.attributeNS( KoXmlNS::style, "repeat" );
if ( repeat == "stretch" )
setBackView( BV_ZOOM );
else if ( repeat == "no-repeat" )
setBackView( BV_CENTER );
else
setBackView( BV_TILED );
}
else
setBackView( BV_TILED );; // use tiled as default
setBackType(BT_PICTURE);
}
}
}
void KPrBackGround::load( const TQDomElement &element )
{
//compatible with old file format kpresenter-1.4
TQDomElement e=element.namedItem("BACKMASTER").toElement();
if ( !e.isNull() )
{
if ( e.hasAttribute( "useMasterBackground" ) )
{
m_page->setUseMasterBackground( (bool)e.attribute("useMasterBackground").toInt());
}
else //for kpresenter-1.4
m_page->setUseMasterBackground( true );
if(e.hasAttribute("displayMasterPageObject"))
{
m_page->setDisplayObjectFromMasterPage( (bool)e.attribute("displayMasterPageObject").toInt());
}
if(e.hasAttribute("displayBackground"))
{
m_page->setDisplayBackground( (bool)e.attribute("displayBackground").toInt());
}
}
else
m_page->setUseMasterBackground( false );
e=element.namedItem("BACKTYPE").toElement();
if(!e.isNull()) {
int tmp=0;
if(e.hasAttribute("value"))
tmp=e.attribute("value").toInt();
setBackType(static_cast<BackType>(tmp));
}
e=element.namedItem("BACKVIEW").toElement();
if(!e.isNull()) {
int tmp=0;
if(e.hasAttribute("value"))
tmp=e.attribute("value").toInt();
setBackView(static_cast<BackView>(tmp));
}
e=element.namedItem("BACKCOLOR1").toElement();
if(!e.isNull()) {
int red=0, green=0, blue=0;
if(e.hasAttribute("red"))
red=e.attribute("red").toInt();
if(e.hasAttribute("green"))
green=e.attribute("green").toInt();
if(e.hasAttribute("blue"))
blue=e.attribute("blue").toInt();
if(e.hasAttribute("color"))
setBackColor1(TQColor(e.attribute("color")));
else
setBackColor1(TQColor(red, green, blue));
}
e=element.namedItem("BACKCOLOR2").toElement();
if(!e.isNull()) {
int red=0, green=0, blue=0;
if(e.hasAttribute("red"))
red=e.attribute("red").toInt();
if(e.hasAttribute("green"))
green=e.attribute("green").toInt();
if(e.hasAttribute("blue"))
blue=e.attribute("blue").toInt();
if(e.hasAttribute("color"))
setBackColor2(TQColor(e.attribute("color")));
else
setBackColor2(TQColor(red, green, blue));
}
e=element.namedItem("BGRADIENT").toElement();
if(!e.isNull()) {
int xf=0, yf=0, unbalanced=0;
if(e.hasAttribute("xfactor"))
xf=e.attribute("xfactor").toInt();
setBackXFactor(xf);
if(e.hasAttribute("yfactor"))
yf=e.attribute("yfactor").toInt();
setBackYFactor(yf);
if(e.hasAttribute("unbalanced"))
unbalanced=e.attribute("unbalanced").toInt();
setBackUnbalanced(static_cast<bool>(unbalanced));
}
e=element.namedItem("BCTYPE").toElement();
if(!e.isNull()) {
int tmp=0;
if(e.hasAttribute("value"))
tmp=e.attribute("value").toInt();
setBackColorType(static_cast<BCType>(tmp));
}
e=element.namedItem("BACKPICTUREKEY").toElement();
if(!e.isNull()) {
KoPictureKey key;
key.loadAttributes( e );
backPicture.clear();
backPicture.setKey( key );
// Image will be set by reload(), called by completeLoading()
}
e=element.namedItem("BACKPIXKEY").toElement();
if(!e.isNull()) {
KoPictureKey key;
key.loadAttributes( e );
backPicture.clear();
backPicture.setKey( key );
// Image will be set by reload(), called by completeLoading()
}
else {
// try to find a BACKPIX tag if the BACKPIXKEY is not available...
KoPictureKey key;
e=element.namedItem("BACKPIX").toElement();
if(!e.isNull()) {
bool openPic = true;
TQString _data;
TQString _fileName;
if(e.hasAttribute("data"))
_data=e.attribute("data");
if ( _data.isEmpty() )
openPic = true;
else
openPic = false;
if(e.hasAttribute("filename"))
_fileName=e.attribute("filename");
if ( !_fileName.isEmpty() )
{
if ( int _envVarB = _fileName.find( '$' ) >= 0 )
{
int _envVarE = _fileName.find( '/', _envVarB );
TQString path = getenv( TQFile::encodeName(_fileName.mid( _envVarB, _envVarE-_envVarB )) );
_fileName.replace( _envVarB-1, _envVarE-_envVarB+1, path );
}
}
if ( openPic )
// !! this loads it from the disk (unless it's in the image collection already)
backPicture = pictureCollection()->loadPicture( _fileName );
else
{
KoPictureKey key( _fileName );
backPicture.clear();
backPicture.setKey(key);
TQByteArray rawData=_data.utf8(); // XPM is normally ASCII, therefore UTF-8
rawData[rawData.size()-1]=char(10); // Replace the NULL character by a LINE FEED
TQBuffer buffer(rawData);
backPicture.loadXpm(&buffer);
}
#if 0
if ( ext == orig_size.toTQSize() )
ext = backPicture.size();
backPicture = backPicture.scale( ext );
#endif
}
}
e=element.namedItem("BACKCLIPKEY").toElement();
if(!e.isNull()) {
KoPictureKey clipKey;
clipKey.loadAttributes( e );
backPicture.clear();
backPicture.setKey(clipKey);
// Picture will be set by reload(), called by completeLoading()
}
else {
// try to find a BACKCLIP tag if the BACKCLIPKEY is not available...
e=element.namedItem("BACKCLIP").toElement();
if(!e.isNull()) {
TQString _fileName;
if(e.hasAttribute("filename"))
_fileName=e.attribute("filename");
if ( !_fileName.isEmpty() )
{
if ( int _envVarB = _fileName.find( '$' ) >= 0 )
{
int _envVarE = _fileName.find( '/', _envVarB );
TQString path = getenv( TQFile::encodeName(_fileName.mid( _envVarB, _envVarE-_envVarB )) );
_fileName.replace( _envVarB-1, _envVarE-_envVarB+1, path );
}
}
//KPClipartKey clipKey( _fileName, TQDateTime( pictureCollection()->tmpDate(),
// pictureCollection()->tmpTime() ) );
backPicture = pictureCollection()->loadPicture( _fileName ); // load from disk !
}
}
}
void KPrBackGround::drawBackColor( TQPainter *_painter, const TQSize& ext, const TQRect& crect )
{
if ( (backType == BT_COLOR && bcType == BCT_PLAIN) || backColor1 == backColor2 ) //plain color
{
//kdDebug(33001) << "KPrBackGround::drawBackColor (filling " << DEBUGRECT(crect) << ")" << endl;
_painter->fillRect( crect, TQBrush( getBackColor1() ) );
}
else if (backType == BT_COLOR && bcType != BCT_PLAIN) { //gradient
if ( !gradientPixmap || gradientPixmap->size() != ext )
generateGradient( ext );
_painter->drawPixmap( crect.topLeft(), *gradientPixmap, crect );
}
else /*if ( backType == BT_CLIPART || backType == BT_PICTURE )*/ //no gradient or bg color
_painter->fillRect( crect, TQBrush( TQt::white ) );
return;
}
void KPrBackGround::drawBackPix( TQPainter *_painter, const TQSize& ext, const TQRect& /*crect*/ )
{
/*kdDebug(33001) << "KPrBackGround::drawBackPix ext=" << ext.width() << "," << ext.height() << endl;
kdDebug(33001) << "mode=" << (backView==BV_ZOOM?"ZOOM":backView==BV_TILED?"TILED":backView==BV_CENTER?"CENTER":"OTHER")
<< " crect=" << DEBUGRECT(crect) << endl;*/
if ( !backPicture.isNull() )
{
// depend on page size and desktop size
const TQSize _origSize = backPicture.getOriginalSize();
// NOTE: make all multiplications before any division
double w = _origSize.width();
w *= ext.width();
#if KDE_IS_VERSION(3,1,90)
TQRect desk = TDEGlobalSettings::desktopGeometry(TQT_TQWIDGET(kapp->activeWindow()));
#else
TQRect desk = TQApplication::desktop()->screenGeometry();
#endif
w /= desk.width();
double h = _origSize.height();
h *= ext.height();
h /= desk.height();
const TQSize _pixSize = TQSize( (int)w, (int)h );
TQPixmap backPix;
switch ( backView )
{
case BV_ZOOM:
backPix=backPicture.generatePixmap( ext, true );
_painter->drawPixmap( TQRect( 0, 0, ext.width(), ext.height() ), backPix );
break;
case BV_TILED:
backPix=backPicture.generatePixmap( _pixSize, true );
_painter->drawTiledPixmap( 0, 0, ext.width(), ext.height(), backPix );
break;
case BV_CENTER:
{
backPix=backPicture.generatePixmap( _pixSize, true );
TQPixmap *pix = new TQPixmap( ext.width(), ext.height() );
bool delPix = true;
int _x = 0, _y = 0;
if ( backPix.width() > pix->width() && backPix.height() > pix->height() )
bitBlt( pix, 0, 0, &backPix, backPix.width() - pix->width(), backPix.height() - pix->height(),
pix->width(), pix->height() );
else if ( backPix.width() > pix->width() )
{
bitBlt( pix, 0, 0, &backPix, backPix.width() - pix->width(), 0,
pix->width(), backPix.height() );
_y = ( pix->height() - backPix.height() ) / 2;
}
else if ( backPix.height() > pix->height() )
{
bitBlt( pix, 0, 0, &backPix, 0, backPix.height() - pix->height(),
backPix.width(), pix->height() );
_x = ( pix->width() - backPix.width() ) / 2;
}
else
{
_x = ( pix->width() - backPix.width() ) / 2;
_y = ( pix->height() - backPix.height() ) / 2;
delPix = false;
delete pix;
pix = &backPix;
}
if ( pix && !pix->isNull() )
_painter->drawPixmap( _x, _y, *pix );
if ( delPix ) delete pix;
}
break;
}
}
}
void KPrBackGround::drawBorders( TQPainter *_painter, const TQSize& /*ext*/, const TQRect& /*crect*/ )
{
_painter->setPen( TQApplication::palette().active().color( TQColorGroup::Dark ) );
_painter->setBrush( TQt::NoBrush );
TQRect rect = m_page->getZoomPageRect();
_painter->drawRect( rect.x()-1,rect.y()-1,rect.width()+1,rect.height()+1 );
}
void KPrBackGround::generateGradient( const TQSize& size )
{
if ( backType == BT_COLOR || backType == BT_CLIPART ||
backType == BT_PICTURE && backView == BV_CENTER ) {
removeGradient();
gradientPixmap = &gradientCollection()->getGradient( backColor1, backColor2, bcType, size,
unbalanced, xfactor, yfactor );
}
// Avoid keeping an unused gradient around
if ( (backType == BT_PICTURE || backType==BT_CLIPART) && gradientPixmap )
removeGradient();
}
void KPrBackGround::removeGradient()
{
if ( gradientPixmap ) {
gradientCollection()->removeRef( backColor1, backColor2, bcType, gradientPixmap->size(),
unbalanced, xfactor, yfactor);
gradientPixmap = 0;
}
}
KoPictureCollection * KPrBackGround::pictureCollection() const
{
return m_page->kPresenterDoc()->pictureCollection();
}
KPrGradientCollection * KPrBackGround::gradientCollection() const
{
return m_page->kPresenterDoc()->gradientCollection();
}
void KPrBackGround::setBackGround( const struct Settings &settings )
{
backType = settings.m_backType;
backColor1 = settings.m_backColor1;
backColor2 = settings.m_backColor2;
bcType = settings.m_bcType;
unbalanced = settings.m_unbalanced;
xfactor = settings.m_xfactor;
yfactor = settings.m_yfactor;
removeGradient();
setBackPicture( settings.m_backPictureKey );
backView = settings.m_backView;
}
struct KPrBackGround::Settings KPrBackGround::getBackGround() const
{
return Settings( backType, backColor1, backColor2,
bcType, unbalanced, xfactor, yfactor,
backPicture.getKey(), backView);
}