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-rw-r--r--kdm/kfrontend/themer/kdmpixmap.cpp242
1 files changed, 242 insertions, 0 deletions
diff --git a/kdm/kfrontend/themer/kdmpixmap.cpp b/kdm/kfrontend/themer/kdmpixmap.cpp
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+++ b/kdm/kfrontend/themer/kdmpixmap.cpp
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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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