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349 lines
10 KiB
349 lines
10 KiB
/*
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* Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
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* Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
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* Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
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* Copyright (C) 2004 by Oswald Buddenhagen <ossi@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <config.h>
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#include "kdmpixmap.h"
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#include <kdmconfig.h>
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#include <kimageeffect.h>
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#ifdef HAVE_LIBART
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#include <ksvgiconengine.h>
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#endif
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#include <kdebug.h>
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#include <kstandarddirs.h>
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#include <tqfile.h>
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#include <tqpainter.h>
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#include <tqpixmap.h>
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#include <tqimage.h>
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extern bool argb_visual_available;
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KdmPixmap::KdmPixmap( KdmItem *parent, const TQDomNode &node, const char *name )
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: KdmItem( parent, node, name )
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{
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itemType = "pixmap";
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// Set default values for pixmap (note: strings are already Null)
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pixmap.normal.tint.setRgb( 0x800000 );
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pixmap.normal.alpha = 0.0;
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pixmap.active.present = false;
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pixmap.prelight.present = false;
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bool true_transparency = false;
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// Read PIXMAP ID
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// it rarely happens that a pixmap can be a button too!
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TQDomNode n = node;
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TQDomElement elPix = n.toElement();
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// Read PIXMAP TAGS
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TQDomNodeList childList = node.childNodes();
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for (uint nod = 0; nod < childList.count(); nod++) {
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TQDomNode child = childList.item( nod );
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TQDomElement el = child.toElement();
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TQString tagName = el.tagName();
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if (tagName == "normal") {
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pixmap.normal.fullpath = fullPath( el.attribute( "file", "" ) );
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parseColor( el.attribute( "tint", "#ffffff" ), pixmap.normal.tint );
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pixmap.normal.alpha = el.attribute( "alpha", "1.0" ).toFloat();
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if (el.attribute( "file", "" ) == "@@@KDMBACKGROUND@@@") {
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if (!argb_visual_available) {
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// Software blend only (no compositing support)
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// Use the preset KDM background...
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KStandardDirs *m_pDirs = KGlobal::dirs();
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KSimpleConfig *config = new KSimpleConfig( TQFile::decodeName( _backgroundCfg ) );
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config->setGroup("Desktop0");
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pixmap.normal.fullpath = m_pDirs->findResource("wallpaper", config->readPathEntry("Wallpaper"));
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// TODO: Detect when there is no wallpaper and use the background settings instead
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delete config;
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}
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else {
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true_transparency = true;
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pixmap.normal.alpha = 0.0;
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}
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}
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} else if (tagName == "active") {
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pixmap.active.present = true;
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pixmap.active.fullpath = fullPath( el.attribute( "file", "" ) );
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parseColor( el.attribute( "tint", "#ffffff" ), pixmap.active.tint );
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pixmap.active.alpha = el.attribute( "alpha", "1.0" ).toFloat();
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} else if (tagName == "prelight") {
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pixmap.prelight.present = true;
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pixmap.prelight.fullpath = fullPath(el.attribute( "file", "" ) );
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parseColor( el.attribute( "tint", "#ffffff" ), pixmap.prelight.tint );
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pixmap.prelight.alpha = el.attribute( "alpha", "1.0" ).toFloat();
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}
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}
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// look if we have to have the aspect ratio ready
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if (((pos.wType == DTnone && pos.hType != DTnone) ||
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(pos.wType != DTnone && pos.hType == DTnone) ||
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(pos.wType == DTnone && pos.hType == DTnone)) &&
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!pixmap.normal.fullpath.isEmpty())
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loadPixmap( &pixmap.normal );
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}
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TQSize
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KdmPixmap::sizeHint()
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{
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// choose the correct pixmap class
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PixmapStruct::PixmapClass * pClass = &pixmap.normal;
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if (state == Sactive && pixmap.active.present) {
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pClass = &pixmap.active;
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}
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if (state == Sprelight && pixmap.prelight.present) {
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pClass = &pixmap.prelight;
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}
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// use the pixmap size as the size hint
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if (!pClass->pixmap.isNull()) {
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return pClass->pixmap.size();
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}
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return KdmItem::sizeHint();
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}
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void
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KdmPixmap::setGeometry( const TQRect &newGeometry, bool force )
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{
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KdmItem::setGeometry( newGeometry, force );
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pixmap.active.readyPixmap.resize( 0, 0 );
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pixmap.prelight.readyPixmap.resize( 0, 0 );
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pixmap.normal.readyPixmap.resize( 0, 0 );
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}
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TQString
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KdmPixmap::fullPath( const TQString &fileName)
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{
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if (fileName.isEmpty()) {
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return TQString::null;
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}
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TQString fullName = fileName;
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if (fullName.at( 0 ) != '/') {
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fullName = baseDir() + "/" + fileName;
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}
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return fullName;
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}
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void
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KdmPixmap::renderSvg( PixmapStruct::PixmapClass *pClass, const TQRect &area )
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{
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#ifdef HAVE_LIBART
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// Special stuff for SVG icons
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KSVGIconEngine *svgEngine = new KSVGIconEngine();
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if (svgEngine->load( area.width(), area.height(), pClass->fullpath )) {
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TQImage *t = svgEngine->image();
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pClass->pixmap = *t;
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pClass->readyPixmap.resize( 0, 0 );
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delete t;
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} else {
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kdWarning() << "failed to load " << pClass->fullpath << endl;
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pClass->fullpath = TQString::null;
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}
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delete svgEngine;
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#else
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Q_UNUSED(pClass);
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Q_UNUSED(area);
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#endif
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}
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void
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KdmPixmap::loadPixmap( PixmapStruct::PixmapClass *pClass )
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{
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TQString fullpath = pClass->fullpath;
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if (pClass->fullpath.endsWith( ".svg" ) || pClass->fullpath.endsWith( ".svgz" )) {
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kdDebug() << timestamp() << " renderSVG\n";
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renderSvg( pClass, area );
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kdDebug() << timestamp() << " done\n";
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return;
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}
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kdDebug() << timestamp() << " load " << fullpath << endl;
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int index = fullpath.findRev('.');
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TQString ext = fullpath.right(fullpath.length() - index);
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fullpath = fullpath.left(index);
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kdDebug() << timestamp() << " ext " << ext << " " << fullpath << endl;
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TQString testpath = TQString("-%1x%2").arg(area.width()).arg(area.height()) + ext;
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kdDebug() << timestamp() << " testing for " << fullpath + testpath << endl;
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if (KStandardDirs::exists(fullpath + testpath)) {
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pClass->pixmap.load(fullpath + testpath);
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}
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else {
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pClass->pixmap.load( fullpath + ext );
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}
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kdDebug() << timestamp() << " done\n";
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}
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void
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KdmPixmap::drawContents( TQPainter *p, const TQRect &r )
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{
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// ensure load normal pixmap
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if (!argb_visual_available && pixmap.normal.pixmap.isNull()) {
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if(!pixmap.normal.fullpath.isEmpty()) {
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loadPixmap( &pixmap.normal );
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}
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if(pixmap.normal.pixmap.isNull()) {
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// use black area as fallback
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pixmap.normal.pixmap = TQPixmap( area.width(), area.height() );
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pixmap.normal.pixmap.fill(TQt::black);
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}
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}
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// choose the correct pixmap class
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PixmapStruct::PixmapClass *pClass = &pixmap.normal;
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if (state == Sactive && pixmap.active.present) {
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pClass = &pixmap.active;
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}
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if (state == Sprelight && pixmap.prelight.present) {
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pClass = &pixmap.prelight;
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}
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kdDebug() << "draw " << id << " " << pClass->pixmap.isNull() << endl;
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if (pClass->pixmap.isNull()) {
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if (pClass->fullpath.isEmpty()) { // if neither is set, we're empty
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return;
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}
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loadPixmap(pClass);
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}
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int px = area.left() + r.left();
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int py = area.top() + r.top();
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int sx = r.x();
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int sy = r.y();
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int sw = r.width();
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int sh = r.height();
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if (px < 0) {
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px *= -1;
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sx += px;
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px = 0;
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}
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if (py < 0) {
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py *= -1;
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sy += py;
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py = 0;
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}
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if (pClass->readyPixmap.isNull()) {
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bool haveTint = pClass->tint.rgb() != 0xFFFFFF;
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bool haveAlpha = pClass->alpha < 1.0;
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TQImage scaledImage;
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// use the loaded pixmap or a scaled version if needed
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kdDebug() << timestamp() << " prepare readyPixmap " << pClass->fullpath << " " << area.size() << " " << pClass->pixmap.size() << endl;
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if (area.size() != pClass->pixmap.size()) {
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if (pClass->fullpath.endsWith( ".svg" ) || pClass->fullpath.endsWith( ".svgz" )) {
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kdDebug() << timestamp() << " renderSVG\n";
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renderSvg( pClass, area );
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scaledImage = pClass->pixmap.convertToImage();
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}
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else {
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kdDebug() << timestamp() << " convertFromImage smoothscale\n";
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if (pClass->pixmap.isNull()) {
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scaledImage = TQImage();
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}
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else {
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TQImage tempImage = pClass->pixmap.convertToImage();
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kdDebug() << timestamp() << " convertToImage done\n";
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scaledImage = tempImage.smoothScale( area.width(), area.height() );
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}
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kdDebug() << timestamp() << " done\n";
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}
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}
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else {
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if (haveTint || haveAlpha) {
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scaledImage = pClass->pixmap.convertToImage();
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// enforce rgba values for the latter
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if (!scaledImage.isNull()) {
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scaledImage = scaledImage.convertDepth( 32 );
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}
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}
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else {
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pClass->readyPixmap = pClass->pixmap;
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}
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}
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if (haveTint || haveAlpha) {
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// blend image(pix) with the given tint
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if (!scaledImage.isNull()) scaledImage = scaledImage.convertDepth( 32 );
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int w = scaledImage.width();
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int h = scaledImage.height();
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float tint_red = float( pClass->tint.red() ) / 255;
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float tint_green = float( pClass->tint.green() ) / 255;
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float tint_blue = float( pClass->tint.blue() ) / 255;
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float tint_alpha = pClass->alpha;
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for (int y = 0; y < h; ++y) {
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QRgb *ls = (QRgb *)scaledImage.scanLine( y );
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for (int x = 0; x < w; ++x) {
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QRgb l = ls[x];
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int r = int( tqRed( l ) * tint_red );
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int g = int( tqGreen( l ) * tint_green );
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int b = int( tqBlue( l ) * tint_blue );
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int a = int( tqAlpha( l ) * tint_alpha );
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ls[x] = tqRgba( r, g, b, a );
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}
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}
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}
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// Convert pixmap from premultiplied alpha to normal alpha
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{
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if (scaledImage.isNull()) scaledImage = pClass->readyPixmap;
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if (!scaledImage.isNull()) {
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scaledImage = KImageEffect::convertToPremultipliedAlpha(scaledImage);
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}
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}
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if (!scaledImage.isNull()) {
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kdDebug() << timestamp() << " convertFromImage " << id << " " << area << endl;
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pClass->readyPixmap.convertFromImage( scaledImage );
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}
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}
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kdDebug() << timestamp() << " Pixmap::drawContents " << pClass->readyPixmap.size() << " " << px << " " << py << " " << sx << " " << sy << " " << sw << " " << sh << endl;
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p->drawPixmap( px, py, pClass->readyPixmap, sx, sy, sw, sh );
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}
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void
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KdmPixmap::statusChanged()
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{
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KdmItem::statusChanged();
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if (!pixmap.active.present && !pixmap.prelight.present) {
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return;
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}
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if ((state == Sprelight && !pixmap.prelight.present) ||
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(state == Sactive && !pixmap.active.present)) {
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return;
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}
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needUpdate();
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}
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#include "kdmpixmap.moc"
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