Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdebase@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 242 insertions, 0 deletions

diff --git a/kdm/kfrontend/themer/kdmpixmap.cpp b/kdm/kfrontend/themer/kdmpixmap.cpp
new file mode 100644
index 000000000..337c19ced
--- /dev/null
+++ b/kdm/kfrontend/themer/kdmpixmap.cpp
@@ -0,0 +1,242 @@
+/*
+ *  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"