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/*
* Copyright (C) 2003 by Unai Garro <ugarro@users.sourceforge.net>
* Copyright (C) 2004 by Enrico Ros <rosenric@dei.unipd.it>
* Copyright (C) 2004 by Stephan Kulow <coolo@kde.org>
* Copyright (C) 2004 by Oswald Buddenhagen <ossi@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <config.h>
#include "kdmpixmap.h"
#include <kimageeffect.h>
#ifdef HAVE_LIBART
#include <ksvgiconengine.h>
#endif
#include <kdebug.h>
#include <qpainter.h>
#include <qpixmap.h>
#include <qimage.h>
KdmPixmap::KdmPixmap( KdmItem *parent, const QDomNode &node, const char *name )
: KdmItem( parent, node, name )
{
itemType = "pixmap";
// Set default values for pixmap (note: strings are already Null)
pixmap.normal.tint.setRgb( 0xFFFFFF );
pixmap.normal.alpha = 1.0;
pixmap.active.present = false;
pixmap.prelight.present = false;
// Read PIXMAP ID
// it rarely happens that a pixmap can be a button too!
QDomNode n = node;
QDomElement elPix = n.toElement();
// Read PIXMAP TAGS
QDomNodeList childList = node.childNodes();
for (uint nod = 0; nod < childList.count(); nod++) {
QDomNode child = childList.item( nod );
QDomElement el = child.toElement();
QString tagName = el.tagName();
if (tagName == "normal") {
loadPixmap( el.attribute( "file", "" ), pixmap.normal.pixmap, pixmap.normal.fullpath );
parseColor( el.attribute( "tint", "#ffffff" ), pixmap.normal.tint );
pixmap.normal.alpha = el.attribute( "alpha", "1.0" ).toFloat();
} else if (tagName == "active") {
pixmap.active.present = true;
loadPixmap( el.attribute( "file", "" ), pixmap.active.pixmap, pixmap.active.fullpath );
parseColor( el.attribute( "tint", "#ffffff" ), pixmap.active.tint );
pixmap.active.alpha = el.attribute( "alpha", "1.0" ).toFloat();
} else if (tagName == "prelight") {
pixmap.prelight.present = true;
loadPixmap( el.attribute( "file", "" ), pixmap.prelight.pixmap, pixmap.prelight.fullpath );
parseColor( el.attribute( "tint", "#ffffff" ), pixmap.prelight.tint );
pixmap.prelight.alpha = el.attribute( "alpha", "1.0" ).toFloat();
}
}
}
QSize
KdmPixmap::sizeHint()
{
// choose the correct pixmap class
PixmapStruct::PixmapClass * pClass = &pixmap.normal;
if (state == Sactive && pixmap.active.present)
pClass = &pixmap.active;
if (state == Sprelight && pixmap.prelight.present)
pClass = &pixmap.prelight;
// use the pixmap size as the size hint
if (!pClass->pixmap.isNull())
return pClass->pixmap.size();
return KdmItem::sizeHint();
}
void
KdmPixmap::setGeometry( const QRect &newGeometry, bool force )
{
KdmItem::setGeometry( newGeometry, force );
pixmap.active.readyPixmap.resize( 0, 0 );
pixmap.prelight.readyPixmap.resize( 0, 0 );
pixmap.normal.readyPixmap.resize( 0, 0 );
}
void
KdmPixmap::loadPixmap( const QString &fileName, QPixmap &map, QString &fullName )
{
if (fileName.isEmpty())
return;
fullName = fileName;
if (fullName.at( 0 ) != '/')
fullName = baseDir() + "/" + fileName;
if (!fullName.endsWith( ".svg" )) // we delay it for svgs
if (!map.load( fullName ))
fullName = QString::null;
}
void
KdmPixmap::renderSvg( PixmapStruct::PixmapClass *pClass, const QRect &area )
{
#ifdef HAVE_LIBART
// Special stuff for SVG icons
KSVGIconEngine *svgEngine = new KSVGIconEngine();
if (svgEngine->load( area.width(), area.height(), pClass->fullpath )) {
QImage *t = svgEngine->image();
pClass->pixmap = *t;
pClass->readyPixmap.resize( 0, 0 );
delete t;
} else {
kdWarning() << "failed to load " << pClass->fullpath << endl;
pClass->fullpath = QString::null;
}
delete svgEngine;
#else
Q_UNUSED(pClass);
Q_UNUSED(area);
#endif
}
void
KdmPixmap::drawContents( QPainter *p, const QRect &r )
{
// choose the correct pixmap class
PixmapStruct::PixmapClass *pClass = &pixmap.normal;
if (state == Sactive && pixmap.active.present)
pClass = &pixmap.active;
if (state == Sprelight && pixmap.prelight.present)
pClass = &pixmap.prelight;
if (pClass->pixmap.isNull()) {
if (pClass->fullpath.isEmpty()) // if neither is set, we're empty
return;
kdDebug() << "renderSVG\n";
renderSvg( pClass, area );
}
int px = area.left() + r.left();
int py = area.top() + r.top();
int sx = r.x();
int sy = r.y();
int sw = r.width();
int sh = r.height();
if (px < 0) {
px *= -1;
sx += px;
px = 0;
}
if (py < 0) {
py *= -1;
sy += py;
py = 0;
}
if (pClass->readyPixmap.isNull()) {
QImage scaledImage;
// use the loaded pixmap or a scaled version if needed
if (area.size() != pClass->pixmap.size()) {
if (pClass->fullpath.endsWith( ".svg" )) {
kdDebug() << "renderSVG\n";
renderSvg( pClass, area );
scaledImage = pClass->pixmap.convertToImage();
} else {
kdDebug() << "convertFromImage\n";
QImage tempImage = pClass->pixmap.convertToImage();
scaledImage = tempImage.smoothScale( area.width(), area.height() );
}
} else
scaledImage = pClass->pixmap.convertToImage();
bool haveTint = pClass->tint.rgb() != 0xFFFFFF;
bool haveAlpha = pClass->alpha < 1.0;
if (haveTint || haveAlpha) {
// blend image(pix) with the given tint
scaledImage = scaledImage.convertDepth( 32 );
int w = scaledImage.width();
int h = scaledImage.height();
float tint_red = float( pClass->tint.red() ) / 255;
float tint_green = float( pClass->tint.green() ) / 255;
float tint_blue = float( pClass->tint.blue() ) / 255;
float tint_alpha = pClass->alpha;
for (int y = 0; y < h; ++y) {
QRgb *ls = (QRgb *)scaledImage.scanLine( y );
for (int x = 0; x < w; ++x) {
QRgb l = ls[x];
int r = int( qRed( l ) * tint_red );
int g = int( qGreen( l ) * tint_green );
int b = int( qBlue( l ) * tint_blue );
int a = int( qAlpha( l ) * tint_alpha );
ls[x] = qRgba( r, g, b, a );
}
}
}
pClass->readyPixmap.convertFromImage( scaledImage );
}
// kdDebug() << "Pixmap::drawContents " << pClass->readyPixmap.size() << " " << px << " " << py << " " << sx << " " << sy << " " << sw << " " << sh << endl;
p->drawPixmap( px, py, pClass->readyPixmap, sx, sy, sw, sh );
}
void
KdmPixmap::statusChanged()
{
KdmItem::statusChanged();
if (!pixmap.active.present && !pixmap.prelight.present)
return;
if ((state == Sprelight && !pixmap.prelight.present) ||
(state == Sactive && !pixmap.active.present))
return;
needUpdate();
}
#include "kdmpixmap.moc"
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